media formats: re-architect handling of media for performance improvements
[asterisk/asterisk.git] / apps / app_meetme.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2007, Digium, Inc.
5  *
6  * Mark Spencer <markster@digium.com>
7  *
8  * SLA Implementation by:
9  * Russell Bryant <russell@digium.com>
10  *
11  * See http://www.asterisk.org for more information about
12  * the Asterisk project. Please do not directly contact
13  * any of the maintainers of this project for assistance;
14  * the project provides a web site, mailing lists and IRC
15  * channels for your use.
16  *
17  * This program is free software, distributed under the terms of
18  * the GNU General Public License Version 2. See the LICENSE file
19  * at the top of the source tree.
20  */
21
22 /*! \file
23  *
24  * \brief Meet me conference bridge and Shared Line Appearances
25  *
26  * \author Mark Spencer <markster@digium.com>
27  * \author (SLA) Russell Bryant <russell@digium.com>
28  * 
29  * \ingroup applications
30  */
31
32 /*! \li \ref app_meetme.c uses configuration file \ref meetme.conf
33  * \addtogroup configuration_file Configuration Files
34  */
35
36 /*! 
37  * \page meetme.conf meetme.conf
38  * \verbinclude meetme.conf.sample
39  */
40
41 /*** MODULEINFO
42         <depend>dahdi</depend>
43         <defaultenabled>no</defaultenabled>
44         <support_level>extended</support_level>
45         <replacement>app_confbridge</replacement>
46  ***/
47
48 #include "asterisk.h"
49
50 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
51
52 #include <dahdi/user.h>
53
54 #include "asterisk/lock.h"
55 #include "asterisk/file.h"
56 #include "asterisk/channel.h"
57 #include "asterisk/pbx.h"
58 #include "asterisk/module.h"
59 #include "asterisk/config.h"
60 #include "asterisk/app.h"
61 #include "asterisk/dsp.h"
62 #include "asterisk/musiconhold.h"
63 #include "asterisk/manager.h"
64 #include "asterisk/cli.h"
65 #include "asterisk/say.h"
66 #include "asterisk/utils.h"
67 #include "asterisk/translate.h"
68 #include "asterisk/ulaw.h"
69 #include "asterisk/astobj2.h"
70 #include "asterisk/devicestate.h"
71 #include "asterisk/dial.h"
72 #include "asterisk/causes.h"
73 #include "asterisk/paths.h"
74 #include "asterisk/data.h"
75 #include "asterisk/test.h"
76 #include "asterisk/stasis.h"
77 #include "asterisk/stasis_channels.h"
78 #include "asterisk/stasis_message_router.h"
79 #include "asterisk/json.h"
80 #include "asterisk/format_compatibility.h"
81
82 #include "enter.h"
83 #include "leave.h"
84
85 /*** DOCUMENTATION
86         <application name="MeetMe" language="en_US">
87                 <synopsis>
88                         MeetMe conference bridge.
89                 </synopsis>
90                 <syntax>
91                         <parameter name="confno">
92                                 <para>The conference number</para>
93                         </parameter>
94                         <parameter name="options">
95                                 <optionlist>
96                                         <option name="a">
97                                                 <para>Set admin mode.</para>
98                                         </option>
99                                         <option name="A">
100                                                 <para>Set marked mode.</para>
101                                         </option>
102                                         <option name="b">
103                                                 <para>Run AGI script specified in <variable>MEETME_AGI_BACKGROUND</variable>
104                                                 Default: <literal>conf-background.agi</literal>.</para>
105                                                 <note><para>This does not work with non-DAHDI channels in the same
106                                                 conference).</para></note>
107                                         </option>
108                                         <option name="c">
109                                                 <para>Announce user(s) count on joining a conference.</para>
110                                         </option>
111                                         <option name="C">
112                                                 <para>Continue in dialplan when kicked out of conference.</para>
113                                         </option>
114                                         <option name="d">
115                                                 <para>Dynamically add conference.</para>
116                                         </option>
117                                         <option name="D">
118                                                 <para>Dynamically add conference, prompting for a PIN.</para>
119                                         </option>
120                                         <option name="e">
121                                                 <para>Select an empty conference.</para>
122                                         </option>
123                                         <option name="E">
124                                                 <para>Select an empty pinless conference.</para>
125                                         </option>
126                                         <option name="F">
127                                                 <para>Pass DTMF through the conference.</para>
128                                         </option>
129                                         <option name="G">
130                                                 <argument name="x" required="true">
131                                                         <para>The file to playback</para>
132                                                 </argument>
133                                                 <para>Play an intro announcement in conference.</para>
134                                         </option>
135                                         <option name="i">
136                                                 <para>Announce user join/leave with review.</para>
137                                         </option>
138                                         <option name="I">
139                                                 <para>Announce user join/leave without review.</para>
140                                         </option>
141                                         <option name="k">
142                                                 <para>Close the conference if there's only one active participant left at exit.</para>
143                                         </option>
144                                         <option name="l">
145                                                 <para>Set listen only mode (Listen only, no talking).</para>
146                                         </option>
147                                         <option name="m">
148                                                 <para>Set initially muted.</para>
149                                         </option>
150                                         <option name="M" hasparams="optional">
151                                                 <para>Enable music on hold when the conference has a single caller. Optionally,
152                                                 specify a musiconhold class to use. If one is not provided, it will use the
153                                                 channel's currently set music class, or <literal>default</literal>.</para>
154                                                 <argument name="class" required="true" />
155                                         </option>
156                                         <option name="n">
157                                                 <para>Disable the denoiser. By default, if <literal>func_speex</literal> is loaded, Asterisk
158                                                 will apply a denoiser to channels in the MeetMe conference. However, channel
159                                                 drivers that present audio with a varying rate will experience degraded
160                                                 performance with a denoiser attached. This parameter allows a channel joining
161                                                 the conference to choose not to have a denoiser attached without having to
162                                                 unload <literal>func_speex</literal>.</para>
163                                         </option>
164                                         <option name="o">
165                                                 <para>Set talker optimization - treats talkers who aren't speaking as
166                                                 being muted, meaning (a) No encode is done on transmission and (b)
167                                                 Received audio that is not registered as talking is omitted causing no
168                                                 buildup in background noise.</para>
169                                         </option>
170                                         <option name="p" hasparams="optional">
171                                                 <para>Allow user to exit the conference by pressing <literal>#</literal> (default)
172                                                 or any of the defined keys. Dial plan execution will continue at the next
173                                                 priority following MeetMe. The key used is set to channel variable
174                                                 <variable>MEETME_EXIT_KEY</variable>.</para>
175                                                 <argument name="keys" required="true" />
176                                                 <note>
177                                                         <para>Option <literal>s</literal> has priority for <literal>*</literal>
178                                                         since it cannot change its activation code.</para>
179                                                 </note>
180                                         </option>
181                                         <option name="P">
182                                                 <para>Always prompt for the pin even if it is specified.</para>
183                                         </option>
184                                         <option name="q">
185                                                 <para>Quiet mode (don't play enter/leave sounds).</para>
186                                         </option>
187                                         <option name="r">
188                                                 <para>Record conference (records as <variable>MEETME_RECORDINGFILE</variable>
189                                                 using format <variable>MEETME_RECORDINGFORMAT</variable>. Default filename is
190                                                 <literal>meetme-conf-rec-${CONFNO}-${UNIQUEID}</literal> and the default format is
191                                                 wav.</para>
192                                         </option>
193                                         <option name="s">
194                                                 <para>Present menu (user or admin) when <literal>*</literal> is received
195                                                 (send to menu).</para>
196                                         </option>
197                                         <option name="t">
198                                                 <para>Set talk only mode. (Talk only, no listening).</para>
199                                         </option>
200                                         <option name="T">
201                                                 <para>Set talker detection (sent to manager interface and meetme list).</para>
202                                         </option>
203                                         <option name="v" hasparams="optional">
204                                                 <para>Announce when a user is joining or leaving the conference.  Use the voicemail greeting as the announcement.
205                                                  If the i or I options are set, the application will fall back to them if no voicemail greeting can be found.</para>
206                                                 <argument name="mailbox@[context]" required="true">
207                                                         <para>The mailbox and voicemail context to play from.  If no context provided, assumed context is default.</para>
208                                                 </argument>
209                                         </option>
210                                         <option name="w" hasparams="optional">
211                                                 <para>Wait until the marked user enters the conference.</para>
212                                                 <argument name="secs" required="true" />
213                                         </option>
214                                         <option name="x">
215                                                 <para>Leave the conference when the last marked user leaves.</para>
216                                         </option>
217                                         <option name="X">
218                                                 <para>Allow user to exit the conference by entering a valid single digit
219                                                 extension <variable>MEETME_EXIT_CONTEXT</variable> or the current context
220                                                 if that variable is not defined.</para>
221                                                 <note>
222                                                         <para>Option <literal>s</literal> has priority for <literal>*</literal>
223                                                         since it cannot change its activation code.</para>
224                                                 </note>
225                                         </option>
226                                         <option name="1">
227                                                 <para>Do not play message when first person enters</para>
228                                         </option>
229                                         <option name="S">
230                                                 <para>Kick the user <replaceable>x</replaceable> seconds <emphasis>after</emphasis> he entered into
231                                                 the conference.</para>
232                                                 <argument name="x" required="true" />
233                                         </option>
234                                         <option name="L" argsep=":">
235                                                 <para>Limit the conference to <replaceable>x</replaceable> ms. Play a warning when
236                                                 <replaceable>y</replaceable> ms are left. Repeat the warning every <replaceable>z</replaceable> ms.
237                                                 The following special variables can be used with this option:</para>
238                                                 <variablelist>
239                                                         <variable name="CONF_LIMIT_TIMEOUT_FILE">
240                                                                 <para>File to play when time is up.</para>
241                                                         </variable>
242                                                         <variable name="CONF_LIMIT_WARNING_FILE">
243                                                                 <para>File to play as warning if <replaceable>y</replaceable> is defined. The
244                                                                 default is to say the time remaining.</para>
245                                                         </variable>
246                                                 </variablelist>
247                                                 <argument name="x" />
248                                                 <argument name="y" />
249                                                 <argument name="z" />
250                                         </option>
251                                 </optionlist>
252                         </parameter>
253                         <parameter name="pin" />
254                 </syntax>
255                 <description>
256                         <para>Enters the user into a specified MeetMe conference.  If the <replaceable>confno</replaceable>
257                         is omitted, the user will be prompted to enter one.  User can exit the conference by hangup, or
258                         if the <literal>p</literal> option is specified, by pressing <literal>#</literal>.</para>
259                         <note><para>The DAHDI kernel modules and a functional DAHDI timing source (see dahdi_test)
260                         must be present for conferencing to operate properly. In addition, the chan_dahdi channel driver
261                         must be loaded for the <literal>i</literal> and <literal>r</literal> options to operate at
262                         all.</para></note>
263                 </description>
264                 <see-also>
265                         <ref type="application">MeetMeCount</ref>
266                         <ref type="application">MeetMeAdmin</ref>
267                         <ref type="application">MeetMeChannelAdmin</ref>
268                 </see-also>
269         </application>
270         <application name="MeetMeCount" language="en_US">
271                 <synopsis>
272                         MeetMe participant count.
273                 </synopsis>
274                 <syntax>
275                         <parameter name="confno" required="true">
276                                 <para>Conference number.</para>
277                         </parameter>
278                         <parameter name="var" />
279                 </syntax>
280                 <description>
281                         <para>Plays back the number of users in the specified MeetMe conference.
282                         If <replaceable>var</replaceable> is specified, playback will be skipped and the value
283                         will be returned in the variable. Upon application completion, MeetMeCount will hangup
284                         the channel, unless priority <literal>n+1</literal> exists, in which case priority progress will
285                         continue.</para>
286                 </description>
287                 <see-also>
288                         <ref type="application">MeetMe</ref>
289                 </see-also>
290         </application>
291         <application name="MeetMeAdmin" language="en_US">
292                 <synopsis>
293                         MeetMe conference administration.
294                 </synopsis>
295                 <syntax>
296                         <parameter name="confno" required="true" />
297                         <parameter name="command" required="true">
298                                 <optionlist>
299                                         <option name="e">
300                                                 <para>Eject last user that joined.</para>
301                                         </option>
302                                         <option name="E">
303                                                 <para>Extend conference end time, if scheduled.</para>
304                                         </option>
305                                         <option name="k">
306                                                 <para>Kick one user out of conference.</para>
307                                         </option>
308                                         <option name="K">
309                                                 <para>Kick all users out of conference.</para>
310                                         </option>
311                                         <option name="l">
312                                                 <para>Unlock conference.</para>
313                                         </option>
314                                         <option name="L">
315                                                 <para>Lock conference.</para>
316                                         </option>
317                                         <option name="m">
318                                                 <para>Unmute one user.</para>
319                                         </option>
320                                         <option name="M">
321                                                 <para>Mute one user.</para>
322                                         </option>
323                                         <option name="n">
324                                                 <para>Unmute all users in the conference.</para>
325                                         </option>
326                                         <option name="N">
327                                                 <para>Mute all non-admin users in the conference.</para>
328                                         </option>
329                                         <option name="r">
330                                                 <para>Reset one user's volume settings.</para>
331                                         </option>
332                                         <option name="R">
333                                                 <para>Reset all users volume settings.</para>
334                                         </option>
335                                         <option name="s">
336                                                 <para>Lower entire conference speaking volume.</para>
337                                         </option>
338                                         <option name="S">
339                                                 <para>Raise entire conference speaking volume.</para>
340                                         </option>
341                                         <option name="t">
342                                                 <para>Lower one user's talk volume.</para>
343                                         </option>
344                                         <option name="T">
345                                                 <para>Raise one user's talk volume.</para>
346                                         </option>
347                                         <option name="u">
348                                                 <para>Lower one user's listen volume.</para>
349                                         </option>
350                                         <option name="U">
351                                                 <para>Raise one user's listen volume.</para>
352                                         </option>
353                                         <option name="v">
354                                                 <para>Lower entire conference listening volume.</para>
355                                         </option>
356                                         <option name="V">
357                                                 <para>Raise entire conference listening volume.</para>
358                                         </option>
359                                 </optionlist>
360                         </parameter>
361                         <parameter name="user" />
362                 </syntax>
363                 <description>
364                         <para>Run admin <replaceable>command</replaceable> for conference <replaceable>confno</replaceable>.</para>
365                         <para>Will additionally set the variable <variable>MEETMEADMINSTATUS</variable> with one of
366                         the following values:</para>
367                         <variablelist>
368                                 <variable name="MEETMEADMINSTATUS">
369                                         <value name="NOPARSE">
370                                                 Invalid arguments.
371                                         </value>
372                                         <value name="NOTFOUND">
373                                                 User specified was not found.
374                                         </value>
375                                         <value name="FAILED">
376                                                 Another failure occurred.
377                                         </value>
378                                         <value name="OK">
379                                                 The operation was completed successfully.
380                                         </value>
381                                 </variable>
382                         </variablelist>
383                 </description>
384                 <see-also>
385                         <ref type="application">MeetMe</ref>
386                 </see-also>
387         </application>
388         <application name="MeetMeChannelAdmin" language="en_US">
389                 <synopsis>
390                         MeetMe conference Administration (channel specific).
391                 </synopsis>
392                 <syntax>
393                         <parameter name="channel" required="true" />
394                         <parameter name="command" required="true">
395                                 <optionlist>
396                                         <option name="k">
397                                                 <para>Kick the specified user out of the conference he is in.</para>
398                                         </option>
399                                         <option name="m">
400                                                 <para>Unmute the specified user.</para>
401                                         </option>
402                                         <option name="M">
403                                                 <para>Mute the specified user.</para>
404                                         </option>
405                                 </optionlist>
406                         </parameter>
407                 </syntax>
408                 <description>
409                         <para>Run admin <replaceable>command</replaceable> for a specific
410                         <replaceable>channel</replaceable> in any conference.</para>
411                 </description>
412         </application>
413         <application name="SLAStation" language="en_US">
414                 <synopsis>
415                         Shared Line Appearance Station.
416                 </synopsis>
417                 <syntax>
418                         <parameter name="station" required="true">
419                                 <para>Station name</para>
420                         </parameter>
421                 </syntax>
422                 <description>
423                         <para>This application should be executed by an SLA station. The argument depends
424                         on how the call was initiated. If the phone was just taken off hook, then the argument
425                         <replaceable>station</replaceable> should be just the station name. If the call was
426                         initiated by pressing a line key, then the station name should be preceded by an underscore
427                         and the trunk name associated with that line button.</para>
428                         <para>For example: <literal>station1_line1</literal></para>
429                         <para>On exit, this application will set the variable <variable>SLASTATION_STATUS</variable> to
430                         one of the following values:</para>
431                         <variablelist>
432                                 <variable name="SLASTATION_STATUS">
433                                         <value name="FAILURE" />
434                                         <value name="CONGESTION" />
435                                         <value name="SUCCESS" />
436                                 </variable>
437                         </variablelist>
438                 </description>
439         </application>
440         <application name="SLATrunk" language="en_US">
441                 <synopsis>
442                         Shared Line Appearance Trunk.
443                 </synopsis>
444                 <syntax>
445                         <parameter name="trunk" required="true">
446                                 <para>Trunk name</para>
447                         </parameter>
448                         <parameter name="options">
449                                 <optionlist>
450                                         <option name="M" hasparams="optional">
451                                                 <para>Play back the specified MOH <replaceable>class</replaceable>
452                                                 instead of ringing</para>
453                                                 <argument name="class" required="true" />
454                                         </option>
455                                 </optionlist>
456                         </parameter>
457                 </syntax>
458                 <description>
459                         <para>This application should be executed by an SLA trunk on an inbound call. The channel calling
460                         this application should correspond to the SLA trunk with the name <replaceable>trunk</replaceable>
461                         that is being passed as an argument.</para>
462                         <para>On exit, this application will set the variable <variable>SLATRUNK_STATUS</variable> to
463                         one of the following values:</para>
464                         <variablelist>
465                                 <variable name="SLATRUNK_STATUS">
466                                         <value name="FAILURE" />
467                                         <value name="SUCCESS" />
468                                         <value name="UNANSWERED" />
469                                         <value name="RINGTIMEOUT" />
470                                 </variable>
471                         </variablelist>
472                 </description>
473         </application>
474         <function name="MEETME_INFO" language="en_US">
475                 <synopsis>
476                         Query a given conference of various properties.
477                 </synopsis>
478                 <syntax>
479                         <parameter name="keyword" required="true">
480                                 <para>Options:</para>
481                                 <enumlist>
482                                         <enum name="lock">
483                                                 <para>Boolean of whether the corresponding conference is locked.</para>
484                                         </enum>
485                                         <enum name="parties">
486                                                 <para>Number of parties in a given conference</para>
487                                         </enum>
488                                         <enum name="activity">
489                                                 <para>Duration of conference in seconds.</para>
490                                         </enum>
491                                         <enum name="dynamic">
492                                                 <para>Boolean of whether the corresponding conference is dynamic.</para>
493                                         </enum>
494                                 </enumlist>
495                         </parameter>
496                         <parameter name="confno" required="true">
497                                 <para>Conference number to retrieve information from.</para>
498                         </parameter>
499                 </syntax>
500                 <description />
501                 <see-also>
502                         <ref type="application">MeetMe</ref>
503                         <ref type="application">MeetMeCount</ref>
504                         <ref type="application">MeetMeAdmin</ref>
505                         <ref type="application">MeetMeChannelAdmin</ref>
506                 </see-also>
507         </function>
508         <manager name="MeetmeMute" language="en_US">
509                 <synopsis>
510                         Mute a Meetme user.
511                 </synopsis>
512                 <syntax>
513                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
514                         <parameter name="Meetme" required="true" />
515                         <parameter name="Usernum" required="true" />
516                 </syntax>
517                 <description>
518                 </description>
519         </manager>
520         <manager name="MeetmeUnmute" language="en_US">
521                 <synopsis>
522                         Unmute a Meetme user.
523                 </synopsis>
524                 <syntax>
525                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
526                         <parameter name="Meetme" required="true" />
527                         <parameter name="Usernum" required="true" />
528                 </syntax>
529                 <description>
530                 </description>
531         </manager>
532         <manager name="MeetmeList" language="en_US">
533                 <synopsis>
534                         List participants in a conference.
535                 </synopsis>
536                 <syntax>
537                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
538                         <parameter name="Conference" required="false">
539                                 <para>Conference number.</para>
540                         </parameter>
541                 </syntax>
542                 <description>
543                         <para>Lists all users in a particular MeetMe conference.
544                         MeetmeList will follow as separate events, followed by a final event called
545                         MeetmeListComplete.</para>
546                 </description>
547         </manager>
548         <manager name="MeetmeListRooms" language="en_US">
549                 <synopsis>
550                         List active conferences.
551                 </synopsis>
552                 <syntax>
553                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
554                 </syntax>
555                 <description>
556                         <para>Lists data about all active conferences.
557                                 MeetmeListRooms will follow as separate events, followed by a final event called
558                                 MeetmeListRoomsComplete.</para>
559                 </description>
560         </manager>
561         <managerEvent language="en_US" name="MeetmeJoin">
562                 <managerEventInstance class="EVENT_FLAG_CALL">
563                         <synopsis>Raised when a user joins a MeetMe conference.</synopsis>
564                         <syntax>
565                                 <parameter name="Meetme">
566                                         <para>The identifier for the MeetMe conference.</para>
567                                 </parameter>
568                                 <parameter name="Usernum">
569                                         <para>The identifier of the MeetMe user who joined.</para>
570                                 </parameter>
571                                 <channel_snapshot/>
572                         </syntax>
573                         <see-also>
574                                 <ref type="managerEvent">MeetmeLeave</ref>
575                                 <ref type="application">MeetMe</ref>
576                         </see-also>
577                 </managerEventInstance>
578         </managerEvent>
579         <managerEvent language="en_US" name="MeetmeLeave">
580                 <managerEventInstance class="EVENT_FLAG_CALL">
581                         <synopsis>Raised when a user leaves a MeetMe conference.</synopsis>
582                         <syntax>
583                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
584                                 <channel_snapshot/>
585                                 <parameter name="Duration">
586                                         <para>The length of time in seconds that the Meetme user was in the conference.</para>
587                                 </parameter>
588                         </syntax>
589                         <see-also>
590                                 <ref type="managerEvent">MeetmeJoin</ref>
591                         </see-also>
592                 </managerEventInstance>
593         </managerEvent>
594         <managerEvent language="en_US" name="MeetmeEnd">
595                 <managerEventInstance class="EVENT_FLAG_CALL">
596                         <synopsis>Raised when a MeetMe conference ends.</synopsis>
597                         <syntax>
598                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter[@name='Meetme'])" />
599                         </syntax>
600                         <see-also>
601                                 <ref type="managerEvent">MeetmeJoin</ref>
602                         </see-also>
603                 </managerEventInstance>
604         </managerEvent>
605         <managerEvent language="en_US" name="MeetmeTalkRequest">
606                 <managerEventInstance class="EVENT_FLAG_CALL">
607                         <synopsis>Raised when a MeetMe user has started talking.</synopsis>
608                         <syntax>
609                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
610                                 <channel_snapshot/>
611                                 <parameter name="Duration">
612                                         <para>The length of time in seconds that the Meetme user has been in the conference at the time of this event.</para>
613                                 </parameter>
614                                 <parameter name="Status">
615                                         <enumlist>
616                                                 <enum name="on"/>
617                                                 <enum name="off"/>
618                                         </enumlist>
619                                 </parameter>
620                         </syntax>
621                 </managerEventInstance>
622         </managerEvent>
623         <managerEvent language="en_US" name="MeetmeTalking">
624                 <managerEventInstance class="EVENT_FLAG_CALL">
625                         <synopsis>Raised when a MeetMe user begins or ends talking.</synopsis>
626                         <syntax>
627                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
628                                 <channel_snapshot/>
629                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeTalkRequest']/managerEventInstance/syntax/parameter)" />
630                         </syntax>
631                 </managerEventInstance>
632         </managerEvent>
633         <managerEvent language="en_US" name="MeetmeMute">
634                 <managerEventInstance class="EVENT_FLAG_CALL">
635                         <synopsis>Raised when a MeetMe user is muted or unmuted.</synopsis>
636                         <syntax>
637                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
638                                 <channel_snapshot/>
639                                 <xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeTalkRequest']/managerEventInstance/syntax/parameter)" />
640                         </syntax>
641                 </managerEventInstance>
642         </managerEvent>
643  ***/
644
645 #define CONFIG_FILE_NAME        "meetme.conf"
646 #define SLA_CONFIG_FILE         "sla.conf"
647 #define STR_CONCISE                     "concise"
648
649 /*! each buffer is 20ms, so this is 640ms total */
650 #define DEFAULT_AUDIO_BUFFERS  32
651
652 /*! String format for scheduled conferences */
653 #define DATE_FORMAT "%Y-%m-%d %H:%M:%S"
654
655 enum {
656         ADMINFLAG_MUTED =     (1 << 1), /*!< User is muted */
657         ADMINFLAG_SELFMUTED = (1 << 2), /*!< User muted self */
658         ADMINFLAG_KICKME =    (1 << 3),  /*!< User has been kicked */
659         /*! User has requested to speak */
660         ADMINFLAG_T_REQUEST = (1 << 4),
661         ADMINFLAG_HANGUP = (1 << 5),    /*!< User will be leaving the conference */
662 };
663
664 #define MEETME_DELAYDETECTTALK     300
665 #define MEETME_DELAYDETECTENDTALK  1000
666
667 #define AST_FRAME_BITS  32
668
669 enum volume_action {
670         VOL_UP,
671         VOL_DOWN
672 };
673
674 enum entrance_sound {
675         ENTER,
676         LEAVE
677 };
678
679 enum recording_state {
680         MEETME_RECORD_OFF,
681         MEETME_RECORD_STARTED,
682         MEETME_RECORD_ACTIVE,
683         MEETME_RECORD_TERMINATE
684 };
685
686 #define CONF_SIZE  320
687
688 enum {
689         /*! user has admin access on the conference */
690         CONFFLAG_ADMIN = (1 << 0),
691         /*! If set the user can only receive audio from the conference */
692         CONFFLAG_MONITOR = (1 << 1),
693         /*! If set asterisk will exit conference when key defined in p() option is pressed */
694         CONFFLAG_KEYEXIT = (1 << 2),
695         /*! If set asterisk will provide a menu to the user when '*' is pressed */
696         CONFFLAG_STARMENU = (1 << 3),
697         /*! If set the use can only send audio to the conference */
698         CONFFLAG_TALKER = (1 << 4),
699         /*! If set there will be no enter or leave sounds */
700         CONFFLAG_QUIET = (1 << 5),
701         /*! If set, when user joins the conference, they will be told the number 
702          *  of users that are already in */
703         CONFFLAG_ANNOUNCEUSERCOUNT = (1 << 6),
704         /*! Set to run AGI Script in Background */
705         CONFFLAG_AGI = (1 << 7),
706         /*! Set to have music on hold when user is alone in conference */
707         CONFFLAG_MOH = (1 << 8),
708         /*! If set, the channel will leave the conference if all marked users leave */
709         CONFFLAG_MARKEDEXIT = (1 << 9),
710         /*! If set, the MeetMe will wait until a marked user enters */
711         CONFFLAG_WAITMARKED = (1 << 10),
712         /*! If set, the MeetMe will exit to the specified context */
713         CONFFLAG_EXIT_CONTEXT = (1 << 11),
714         /*! If set, the user will be marked */
715         CONFFLAG_MARKEDUSER = (1 << 12),
716         /*! If set, user will be ask record name on entry of conference */
717         CONFFLAG_INTROUSER = (1 << 13),
718         /*! If set, the MeetMe will be recorded */
719         CONFFLAG_RECORDCONF = (1<< 14),
720         /*! If set, the user will be monitored if the user is talking or not */
721         CONFFLAG_MONITORTALKER = (1 << 15),
722         CONFFLAG_DYNAMIC = (1 << 16),
723         CONFFLAG_DYNAMICPIN = (1 << 17),
724         CONFFLAG_EMPTY = (1 << 18),
725         CONFFLAG_EMPTYNOPIN = (1 << 19),
726         CONFFLAG_ALWAYSPROMPT = (1 << 20),
727         /*! If set, treat talking users as muted users */
728         CONFFLAG_OPTIMIZETALKER = (1 << 21),
729         /*! If set, won't speak the extra prompt when the first person 
730          *  enters the conference */
731         CONFFLAG_NOONLYPERSON = (1 << 22),
732         /*! If set, user will be asked to record name on entry of conference 
733          *  without review */
734         CONFFLAG_INTROUSERNOREVIEW = (1 << 23),
735         /*! If set, the user will be initially self-muted */
736         CONFFLAG_STARTMUTED = (1 << 24),
737         /*! Pass DTMF through the conference */
738         CONFFLAG_PASS_DTMF = (1 << 25),
739         CONFFLAG_SLA_STATION = (1 << 26),
740         CONFFLAG_SLA_TRUNK = (1 << 27),
741         /*! If set, the user should continue in the dialplan if kicked out */
742         CONFFLAG_KICK_CONTINUE = (1 << 28),
743         CONFFLAG_DURATION_STOP = (1 << 29),
744         CONFFLAG_DURATION_LIMIT = (1 << 30),
745 };
746
747 /* These flags are defined separately because we ran out of bits that an enum can be used to represent. 
748    If you add new flags, be sure to do it in the same way that these are. */
749 /*! Do not write any audio to this channel until the state is up. */
750 #define CONFFLAG_NO_AUDIO_UNTIL_UP  (1ULL << 31)
751 #define CONFFLAG_INTROMSG           (1ULL << 32) /*!< If set play an intro announcement at start of conference */
752 #define CONFFLAG_INTROUSER_VMREC    (1ULL << 33)
753 /*! If there's only one person left in a conference when someone leaves, kill the conference */
754 #define CONFFLAG_KILL_LAST_MAN_STANDING (1ULL << 34)
755 /*! If set, don't enable a denoiser for the channel */
756 #define CONFFLAG_DONT_DENOISE       (1ULL << 35)
757
758 enum {
759         OPT_ARG_WAITMARKED = 0,
760         OPT_ARG_EXITKEYS   = 1,
761         OPT_ARG_DURATION_STOP = 2,
762         OPT_ARG_DURATION_LIMIT = 3,
763         OPT_ARG_MOH_CLASS = 4,
764         OPT_ARG_INTROMSG = 5,
765         OPT_ARG_INTROUSER_VMREC = 6,
766         OPT_ARG_ARRAY_SIZE = 7,
767 };
768
769 AST_APP_OPTIONS(meetme_opts, BEGIN_OPTIONS
770         AST_APP_OPTION('A', CONFFLAG_MARKEDUSER ),
771         AST_APP_OPTION('a', CONFFLAG_ADMIN ),
772         AST_APP_OPTION('b', CONFFLAG_AGI ),
773         AST_APP_OPTION('c', CONFFLAG_ANNOUNCEUSERCOUNT ),
774         AST_APP_OPTION('C', CONFFLAG_KICK_CONTINUE),
775         AST_APP_OPTION('D', CONFFLAG_DYNAMICPIN ),
776         AST_APP_OPTION('d', CONFFLAG_DYNAMIC ),
777         AST_APP_OPTION('E', CONFFLAG_EMPTYNOPIN ),
778         AST_APP_OPTION('e', CONFFLAG_EMPTY ),
779         AST_APP_OPTION('F', CONFFLAG_PASS_DTMF ),
780         AST_APP_OPTION_ARG('G', CONFFLAG_INTROMSG, OPT_ARG_INTROMSG ),
781         AST_APP_OPTION_ARG('v', CONFFLAG_INTROUSER_VMREC , OPT_ARG_INTROUSER_VMREC),
782         AST_APP_OPTION('i', CONFFLAG_INTROUSER ),
783         AST_APP_OPTION('I', CONFFLAG_INTROUSERNOREVIEW ),
784         AST_APP_OPTION('k', CONFFLAG_KILL_LAST_MAN_STANDING ),
785         AST_APP_OPTION_ARG('M', CONFFLAG_MOH, OPT_ARG_MOH_CLASS ),
786         AST_APP_OPTION('m', CONFFLAG_STARTMUTED ),
787         AST_APP_OPTION('n', CONFFLAG_DONT_DENOISE ),
788         AST_APP_OPTION('o', CONFFLAG_OPTIMIZETALKER ),
789         AST_APP_OPTION('P', CONFFLAG_ALWAYSPROMPT ),
790         AST_APP_OPTION_ARG('p', CONFFLAG_KEYEXIT, OPT_ARG_EXITKEYS ),
791         AST_APP_OPTION('q', CONFFLAG_QUIET ),
792         AST_APP_OPTION('r', CONFFLAG_RECORDCONF ),
793         AST_APP_OPTION('s', CONFFLAG_STARMENU ),
794         AST_APP_OPTION('T', CONFFLAG_MONITORTALKER ),
795         AST_APP_OPTION('l', CONFFLAG_MONITOR ),
796         AST_APP_OPTION('t', CONFFLAG_TALKER ),
797         AST_APP_OPTION_ARG('w', CONFFLAG_WAITMARKED, OPT_ARG_WAITMARKED ),
798         AST_APP_OPTION('X', CONFFLAG_EXIT_CONTEXT ),
799         AST_APP_OPTION('x', CONFFLAG_MARKEDEXIT ),
800         AST_APP_OPTION('1', CONFFLAG_NOONLYPERSON ),
801         AST_APP_OPTION_ARG('S', CONFFLAG_DURATION_STOP, OPT_ARG_DURATION_STOP),
802         AST_APP_OPTION_ARG('L', CONFFLAG_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
803 END_OPTIONS );
804
805 static const char * const app = "MeetMe";
806 static const char * const app2 = "MeetMeCount";
807 static const char * const app3 = "MeetMeAdmin";
808 static const char * const app4 = "MeetMeChannelAdmin";
809 static const char * const slastation_app = "SLAStation";
810 static const char * const slatrunk_app = "SLATrunk";
811
812 /* Lookup RealTime conferences based on confno and current time */
813 static int rt_schedule;
814 static int fuzzystart;
815 static int earlyalert;
816 static int endalert;
817 static int extendby;
818
819 /*! Log participant count to the RealTime backend */
820 static int rt_log_members;
821
822 #define MAX_CONFNUM 80
823 #define MAX_PIN     80
824 #define OPTIONS_LEN 100
825
826 /* Enough space for "<conference #>,<pin>,<admin pin>" followed by a 0 byte. */
827 #define MAX_SETTINGS (MAX_CONFNUM + MAX_PIN + MAX_PIN + 3)
828
829 enum announcetypes {
830         CONF_HASJOIN,
831         CONF_HASLEFT
832 };
833
834 struct announce_listitem {
835         AST_LIST_ENTRY(announce_listitem) entry;
836         char namerecloc[PATH_MAX];                              /*!< Name Recorded file Location */
837         char language[MAX_LANGUAGE];
838         struct ast_channel *confchan;
839         int confusers;
840         int vmrec;
841         enum announcetypes announcetype;
842 };
843
844 /*! \brief The MeetMe Conference object */
845 struct ast_conference {
846         ast_mutex_t playlock;                   /*!< Conference specific lock (players) */
847         ast_mutex_t listenlock;                 /*!< Conference specific lock (listeners) */
848         char confno[MAX_CONFNUM];               /*!< Conference */
849         struct ast_channel *chan;               /*!< Announcements channel */
850         struct ast_channel *lchan;              /*!< Listen/Record channel */
851         int fd;                                 /*!< Announcements fd */
852         int dahdiconf;                            /*!< DAHDI Conf # */
853         int users;                              /*!< Number of active users */
854         int markedusers;                        /*!< Number of marked users */
855         int maxusers;                           /*!< Participant limit if scheduled */
856         int endalert;                           /*!< When to play conf ending message */
857         time_t start;                           /*!< Start time (s) */
858         int refcount;                           /*!< reference count of usage */
859         enum recording_state recording:2;       /*!< recording status */
860         unsigned int isdynamic:1;               /*!< Created on the fly? */
861         unsigned int locked:1;                  /*!< Is the conference locked? */
862         unsigned int gmuted:1;                  /*!< Is the conference globally muted? (all non-admins) */
863         pthread_t recordthread;                 /*!< thread for recording */
864         ast_mutex_t recordthreadlock;           /*!< control threads trying to start recordthread */
865         pthread_attr_t attr;                    /*!< thread attribute */
866         char *recordingfilename;                /*!< Filename to record the Conference into */
867         char *recordingformat;                  /*!< Format to record the Conference in */
868         char pin[MAX_PIN];                      /*!< If protected by a PIN */
869         char pinadmin[MAX_PIN];                 /*!< If protected by a admin PIN */
870         char uniqueid[32];
871         long endtime;                           /*!< When to end the conf if scheduled */
872         const char *useropts;                   /*!< RealTime user flags */
873         const char *adminopts;                  /*!< RealTime moderator flags */
874         const char *bookid;                     /*!< RealTime conference id */
875         struct ast_frame *transframe[32];
876         struct ast_frame *origframe;
877         struct ast_trans_pvt *transpath[32];
878         struct ao2_container *usercontainer;
879         AST_LIST_ENTRY(ast_conference) list;
880         /* announce_thread related data */
881         pthread_t announcethread;
882         ast_mutex_t announcethreadlock;
883         unsigned int announcethread_stop:1;
884         ast_cond_t announcelist_addition;
885         AST_LIST_HEAD_NOLOCK(, announce_listitem) announcelist;
886         ast_mutex_t announcelistlock;
887 };
888
889 static AST_LIST_HEAD_STATIC(confs, ast_conference);
890
891 static unsigned int conf_map[1024] = {0, };
892
893 struct volume {
894         int desired;                            /*!< Desired volume adjustment */
895         int actual;                             /*!< Actual volume adjustment (for channels that can't adjust) */
896 };
897
898 /*! \brief The MeetMe User object */
899 struct ast_conf_user {
900         int user_no;                            /*!< User Number */
901         struct ast_flags64 userflags;           /*!< Flags as set in the conference */
902         int adminflags;                         /*!< Flags set by the Admin */
903         struct ast_channel *chan;               /*!< Connected channel */
904         int talking;                            /*!< Is user talking */
905         int dahdichannel;                       /*!< Is a DAHDI channel */
906         char usrvalue[50];                      /*!< Custom User Value */
907         char namerecloc[PATH_MAX];              /*!< Name Recorded file Location */
908         time_t jointime;                        /*!< Time the user joined the conference */
909         time_t kicktime;                        /*!< Time the user will be kicked from the conference */
910         struct timeval start_time;              /*!< Time the user entered into the conference */
911         long timelimit;                         /*!< Time limit for the user to be in the conference L(x:y:z) */
912         long play_warning;                      /*!< Play a warning when 'y' ms are left */
913         long warning_freq;                      /*!< Repeat the warning every 'z' ms */
914         const char *warning_sound;              /*!< File to play as warning if 'y' is defined */
915         const char *end_sound;                  /*!< File to play when time is up. */
916         struct volume talk;
917         struct volume listen;
918         AST_LIST_ENTRY(ast_conf_user) list;
919 };
920
921 enum sla_which_trunk_refs {
922         ALL_TRUNK_REFS,
923         INACTIVE_TRUNK_REFS,
924 };
925
926 enum sla_trunk_state {
927         SLA_TRUNK_STATE_IDLE,
928         SLA_TRUNK_STATE_RINGING,
929         SLA_TRUNK_STATE_UP,
930         SLA_TRUNK_STATE_ONHOLD,
931         SLA_TRUNK_STATE_ONHOLD_BYME,
932 };
933
934 enum sla_hold_access {
935         /*! This means that any station can put it on hold, and any station
936          * can retrieve the call from hold. */
937         SLA_HOLD_OPEN,
938         /*! This means that only the station that put the call on hold may
939          * retrieve it from hold. */
940         SLA_HOLD_PRIVATE,
941 };
942
943 struct sla_trunk_ref;
944
945 struct sla_station {
946         AST_RWLIST_ENTRY(sla_station) entry;
947         AST_DECLARE_STRING_FIELDS(
948                 AST_STRING_FIELD(name); 
949                 AST_STRING_FIELD(device);       
950                 AST_STRING_FIELD(autocontext);  
951         );
952         AST_LIST_HEAD_NOLOCK(, sla_trunk_ref) trunks;
953         struct ast_dial *dial;
954         /*! Ring timeout for this station, for any trunk.  If a ring timeout
955          *  is set for a specific trunk on this station, that will take
956          *  priority over this value. */
957         unsigned int ring_timeout;
958         /*! Ring delay for this station, for any trunk.  If a ring delay
959          *  is set for a specific trunk on this station, that will take
960          *  priority over this value. */
961         unsigned int ring_delay;
962         /*! This option uses the values in the sla_hold_access enum and sets the
963          * access control type for hold on this station. */
964         unsigned int hold_access:1;
965         /*! Mark used during reload processing */
966         unsigned int mark:1;
967 };
968
969 /*!
970  * \brief A reference to a station
971  *
972  * This struct looks near useless at first glance.  However, its existence
973  * in the list of stations in sla_trunk means that this station references
974  * that trunk.  We use the mark to keep track of whether it needs to be
975  * removed from the sla_trunk's list of stations during a reload.
976  */
977 struct sla_station_ref {
978         AST_LIST_ENTRY(sla_station_ref) entry;
979         struct sla_station *station;
980         /*! Mark used during reload processing */
981         unsigned int mark:1;
982 };
983
984 struct sla_trunk {
985         AST_DECLARE_STRING_FIELDS(
986                 AST_STRING_FIELD(name);
987                 AST_STRING_FIELD(device);
988                 AST_STRING_FIELD(autocontext);  
989         );
990         AST_LIST_HEAD_NOLOCK(, sla_station_ref) stations;
991         /*! Number of stations that use this trunk */
992         unsigned int num_stations;
993         /*! Number of stations currently on a call with this trunk */
994         unsigned int active_stations;
995         /*! Number of stations that have this trunk on hold. */
996         unsigned int hold_stations;
997         struct ast_channel *chan;
998         unsigned int ring_timeout;
999         /*! If set to 1, no station will be able to join an active call with
1000          *  this trunk. */
1001         unsigned int barge_disabled:1;
1002         /*! This option uses the values in the sla_hold_access enum and sets the
1003          * access control type for hold on this trunk. */
1004         unsigned int hold_access:1;
1005         /*! Whether this trunk is currently on hold, meaning that once a station
1006          *  connects to it, the trunk channel needs to have UNHOLD indicated to it. */
1007         unsigned int on_hold:1;
1008         /*! Mark used during reload processing */
1009         unsigned int mark:1;
1010 };
1011
1012 /*!
1013  * \brief A station's reference to a trunk
1014  *
1015  * An sla_station keeps a list of trunk_refs.  This holds metadata about the
1016  * stations usage of the trunk.
1017  */
1018 struct sla_trunk_ref {
1019         AST_LIST_ENTRY(sla_trunk_ref) entry;
1020         struct sla_trunk *trunk;
1021         enum sla_trunk_state state;
1022         struct ast_channel *chan;
1023         /*! Ring timeout to use when this trunk is ringing on this specific
1024          *  station.  This takes higher priority than a ring timeout set at
1025          *  the station level. */
1026         unsigned int ring_timeout;
1027         /*! Ring delay to use when this trunk is ringing on this specific
1028          *  station.  This takes higher priority than a ring delay set at
1029          *  the station level. */
1030         unsigned int ring_delay;
1031         /*! Mark used during reload processing */
1032         unsigned int mark:1;
1033 };
1034
1035 static struct ao2_container *sla_stations;
1036 static struct ao2_container *sla_trunks;
1037
1038 static const char sla_registrar[] = "SLA";
1039
1040 /*! \brief Event types that can be queued up for the SLA thread */
1041 enum sla_event_type {
1042         /*! A station has put the call on hold */
1043         SLA_EVENT_HOLD,
1044         /*! The state of a dial has changed */
1045         SLA_EVENT_DIAL_STATE,
1046         /*! The state of a ringing trunk has changed */
1047         SLA_EVENT_RINGING_TRUNK,
1048 };
1049
1050 struct sla_event {
1051         enum sla_event_type type;
1052         struct sla_station *station;
1053         struct sla_trunk_ref *trunk_ref;
1054         AST_LIST_ENTRY(sla_event) entry;
1055 };
1056
1057 /*! \brief A station that failed to be dialed 
1058  * \note Only used by the SLA thread. */
1059 struct sla_failed_station {
1060         struct sla_station *station;
1061         struct timeval last_try;
1062         AST_LIST_ENTRY(sla_failed_station) entry;
1063 };
1064
1065 /*! \brief A trunk that is ringing */
1066 struct sla_ringing_trunk {
1067         struct sla_trunk *trunk;
1068         /*! The time that this trunk started ringing */
1069         struct timeval ring_begin;
1070         AST_LIST_HEAD_NOLOCK(, sla_station_ref) timed_out_stations;
1071         AST_LIST_ENTRY(sla_ringing_trunk) entry;
1072 };
1073
1074 enum sla_station_hangup {
1075         SLA_STATION_HANGUP_NORMAL,
1076         SLA_STATION_HANGUP_TIMEOUT,
1077 };
1078
1079 /*! \brief A station that is ringing */
1080 struct sla_ringing_station {
1081         struct sla_station *station;
1082         /*! The time that this station started ringing */
1083         struct timeval ring_begin;
1084         AST_LIST_ENTRY(sla_ringing_station) entry;
1085 };
1086
1087 /*!
1088  * \brief A structure for data used by the sla thread
1089  */
1090 static struct {
1091         /*! The SLA thread ID */
1092         pthread_t thread;
1093         ast_cond_t cond;
1094         ast_mutex_t lock;
1095         AST_LIST_HEAD_NOLOCK(, sla_ringing_trunk) ringing_trunks;
1096         AST_LIST_HEAD_NOLOCK(, sla_ringing_station) ringing_stations;
1097         AST_LIST_HEAD_NOLOCK(, sla_failed_station) failed_stations;
1098         AST_LIST_HEAD_NOLOCK(, sla_event) event_q;
1099         unsigned int stop:1;
1100         /*! Attempt to handle CallerID, even though it is known not to work
1101          *  properly in some situations. */
1102         unsigned int attempt_callerid:1;
1103 } sla = {
1104         .thread = AST_PTHREADT_NULL,
1105 };
1106
1107 /*! \brief The number of audio buffers to be allocated on pseudo channels
1108  *  when in a conference */
1109 static int audio_buffers;
1110
1111 /*! \brief Map 'volume' levels from -5 through +5 into decibel (dB) 
1112  *    settings for channel drivers.
1113  *
1114  *  \note these are not a straight linear-to-dB
1115  *  conversion... the numbers have been modified
1116  *  to give the user a better level of adjustability.
1117  */
1118 static const char gain_map[] = {
1119         -15,
1120         -13,
1121         -10,
1122         -6,
1123         0,
1124         0,
1125         0,
1126         6,
1127         10,
1128         13,
1129         15,
1130 };
1131
1132 /* Routes the various meetme message types to the meetme stasis callback function to turn them into events */
1133 static struct stasis_message_router *meetme_event_message_router;
1134
1135 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_join_type);
1136 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_leave_type);
1137 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_end_type);
1138 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_mute_type);
1139 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_talking_type);
1140 STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_talk_request_type);
1141
1142 static void meetme_stasis_cb(void *data, struct stasis_subscription *sub,
1143         struct stasis_message *message);
1144
1145 static void meetme_stasis_cleanup(void)
1146 {
1147         if (meetme_event_message_router) {
1148                 stasis_message_router_unsubscribe(meetme_event_message_router);
1149                 meetme_event_message_router = NULL;
1150         }
1151
1152         STASIS_MESSAGE_TYPE_CLEANUP(meetme_join_type);
1153         STASIS_MESSAGE_TYPE_CLEANUP(meetme_leave_type);
1154         STASIS_MESSAGE_TYPE_CLEANUP(meetme_end_type);
1155         STASIS_MESSAGE_TYPE_CLEANUP(meetme_mute_type);
1156         STASIS_MESSAGE_TYPE_CLEANUP(meetme_talking_type);
1157         STASIS_MESSAGE_TYPE_CLEANUP(meetme_talk_request_type);
1158 }
1159
1160 static int meetme_stasis_init(void)
1161 {
1162
1163         STASIS_MESSAGE_TYPE_INIT(meetme_join_type);
1164         STASIS_MESSAGE_TYPE_INIT(meetme_leave_type);
1165         STASIS_MESSAGE_TYPE_INIT(meetme_end_type);
1166         STASIS_MESSAGE_TYPE_INIT(meetme_mute_type);
1167         STASIS_MESSAGE_TYPE_INIT(meetme_talking_type);
1168         STASIS_MESSAGE_TYPE_INIT(meetme_talk_request_type);
1169
1170         meetme_event_message_router = stasis_message_router_create(
1171                 ast_channel_topic_all_cached());
1172
1173         if (!meetme_event_message_router) {
1174                 meetme_stasis_cleanup();
1175                 return -1;
1176         }
1177
1178         if (stasis_message_router_add(meetme_event_message_router,
1179                         meetme_join_type(),
1180                         meetme_stasis_cb,
1181                         NULL)) {
1182                 meetme_stasis_cleanup();
1183                 return -1;
1184         }
1185
1186         if (stasis_message_router_add(meetme_event_message_router,
1187                         meetme_leave_type(),
1188                         meetme_stasis_cb,
1189                         NULL)) {
1190                 meetme_stasis_cleanup();
1191                 return -1;
1192         }
1193
1194         if (stasis_message_router_add(meetme_event_message_router,
1195                         meetme_end_type(),
1196                         meetme_stasis_cb,
1197                         NULL)) {
1198                 meetme_stasis_cleanup();
1199                 return -1;
1200         }
1201
1202         if (stasis_message_router_add(meetme_event_message_router,
1203                         meetme_mute_type(),
1204                         meetme_stasis_cb,
1205                         NULL)) {
1206                 meetme_stasis_cleanup();
1207                 return -1;
1208         }
1209
1210         if (stasis_message_router_add(meetme_event_message_router,
1211                         meetme_talking_type(),
1212                         meetme_stasis_cb,
1213                         NULL)) {
1214                 meetme_stasis_cleanup();
1215                 return -1;
1216         }
1217
1218         if (stasis_message_router_add(meetme_event_message_router,
1219                         meetme_talk_request_type(),
1220                         meetme_stasis_cb,
1221                         NULL)) {
1222                 meetme_stasis_cleanup();
1223                 return -1;
1224         }
1225
1226         return 0;
1227 }
1228
1229 static void meetme_stasis_cb(void *data, struct stasis_subscription *sub,
1230         struct stasis_message *message)
1231 {
1232         struct ast_channel_blob *channel_blob = stasis_message_data(message);
1233         struct stasis_message_type *message_type;
1234         const char *event;
1235         const char *conference_num;
1236         const char *status;
1237         struct ast_json *json_cur;
1238         RAII_VAR(struct ast_str *, channel_text, NULL, ast_free);
1239         RAII_VAR(struct ast_str *, extra_text, NULL, ast_free);
1240
1241         if (!channel_blob) {
1242                 ast_assert(0);
1243                 return;
1244         }
1245
1246         message_type = stasis_message_type(message);
1247
1248         if (!message_type) {
1249                 ast_assert(0);
1250                 return;
1251         }
1252
1253         if (message_type == meetme_join_type()) {
1254                 event = "MeetmeJoin";
1255         } else if (message_type == meetme_leave_type()) {
1256                 event = "MeetmeLeave";
1257         } else if (message_type == meetme_end_type()) {
1258                 event = "MeetmeEnd";
1259         } else if (message_type == meetme_mute_type()) {
1260                 event = "MeetmeMute";
1261         } else if (message_type == meetme_talking_type()) {
1262                 event = "MeetmeTalking";
1263         } else if (message_type == meetme_talk_request_type()) {
1264                 event = "MeetmeTalkRequest";
1265         } else {
1266                 ast_assert(0);
1267                 return;
1268         }
1269
1270         if (!event) {
1271                 ast_assert(0);
1272                 return;
1273         }
1274
1275         conference_num = ast_json_string_get(ast_json_object_get(channel_blob->blob, "Meetme"));
1276         if (!conference_num) {
1277                 ast_assert(0);
1278                 return;
1279         }
1280
1281         status = ast_json_string_get(ast_json_object_get(channel_blob->blob, "status"));
1282         if (status) {
1283                 ast_str_append_event_header(&extra_text, "Status", status);
1284         }
1285
1286         if (channel_blob->snapshot) {
1287                 channel_text = ast_manager_build_channel_state_string(channel_blob->snapshot);
1288         }
1289
1290         if ((json_cur = ast_json_object_get(channel_blob->blob, "user"))) {
1291                 int user_number = ast_json_integer_get(json_cur);
1292                 RAII_VAR(struct ast_str *, user_prop_str, ast_str_create(32), ast_free);
1293                 if (!user_prop_str) {
1294                         return;
1295                 }
1296
1297                 ast_str_set(&user_prop_str, 0, "%d", user_number);
1298                 ast_str_append_event_header(&extra_text, "User", ast_str_buffer(user_prop_str));
1299
1300                 if ((json_cur = ast_json_object_get(channel_blob->blob, "duration"))) {
1301                         int duration = ast_json_integer_get(json_cur);
1302                         ast_str_set(&user_prop_str, 0, "%d", duration);
1303                         ast_str_append_event_header(&extra_text, "Duration", ast_str_buffer(user_prop_str));
1304                 }
1305
1306                 json_cur = NULL;
1307         }
1308
1309         manager_event(EVENT_FLAG_CALL, event,
1310                 "Meetme: %s\r\n"
1311                 "%s"
1312                 "%s",
1313                 conference_num,
1314                 channel_text ? ast_str_buffer(channel_text) : "",
1315                 extra_text ? ast_str_buffer(extra_text) : "");
1316 }
1317
1318 /*!
1319  * \internal
1320  * \brief Build a json object from a status value for inclusion in json extras for meetme_stasis_generate_msg
1321  * \since 12.0.0
1322  *
1323  * \param on if true, then status is on. Otherwise status is off
1324  * \retval NULL on failure to allocate the JSON blob.
1325  * \retval pointer to the JSON blob if successful.
1326  */
1327 static struct ast_json *status_to_json(int on)
1328 {
1329         struct ast_json *json_object = ast_json_pack("{s: s}",
1330                 "status", on ? "on" : "off");
1331
1332         return json_object;
1333 }
1334
1335 /*!
1336  * \internal
1337  * \brief Generate a stasis message associated with a meetme event
1338  * \since 12.0.0
1339  *
1340  * \param meetme_confere The conference responsible for generating this message
1341  * \param chan The channel involved in the message (NULL allowed)
1342  * \param user The conference user involved in the message (NULL allowed)
1343  * \param message_type the type the stasis message being generated
1344  * \param extras Additional json fields desired for inclusion
1345  */
1346 static void meetme_stasis_generate_msg(struct ast_conference *meetme_conference, struct ast_channel *chan,
1347         struct ast_conf_user *user, struct stasis_message_type *message_type, struct ast_json *extras)
1348 {
1349         RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
1350         RAII_VAR(struct ast_json *, json_object, NULL, ast_json_unref);
1351
1352         json_object = ast_json_pack("{s: s}",
1353                 "Meetme", meetme_conference->confno);
1354
1355         if (!json_object) {
1356                 return;
1357         }
1358
1359         if (extras) {
1360                 ast_json_object_update(json_object, extras);
1361         }
1362
1363         if (user) {
1364                 struct timeval now = ast_tvnow();
1365                 long duration = (long)(now.tv_sec - user->jointime);
1366                 struct ast_json *json_user;
1367                 struct ast_json *json_user_duration;
1368
1369                 json_user = ast_json_integer_create(user->user_no);
1370                 if (!json_user || ast_json_object_set(json_object, "user", json_user)) {
1371                         return;
1372                 }
1373
1374                 if (duration > 0) {
1375                         json_user_duration = ast_json_integer_create(duration);
1376                         if (!json_user_duration
1377                                 || ast_json_object_set(json_object, "duration", json_user_duration)) {
1378                                 return;
1379                         }
1380                 }
1381         }
1382
1383         msg = ast_channel_blob_create_from_cache(ast_channel_uniqueid(chan), message_type, json_object);
1384
1385         if (!msg) {
1386                 return;
1387         }
1388
1389         stasis_publish(ast_channel_topic(chan), msg);
1390 }
1391
1392 static int admin_exec(struct ast_channel *chan, const char *data);
1393 static void *recordthread(void *args);
1394
1395 static const char *istalking(int x)
1396 {
1397         if (x > 0)
1398                 return "(talking)";
1399         else if (x < 0)
1400                 return "(unmonitored)";
1401         else 
1402                 return "(not talking)";
1403 }
1404
1405 static int careful_write(int fd, unsigned char *data, int len, int block)
1406 {
1407         int res;
1408         int x;
1409
1410         while (len) {
1411                 if (block) {
1412                         x = DAHDI_IOMUX_WRITE | DAHDI_IOMUX_SIGEVENT;
1413                         res = ioctl(fd, DAHDI_IOMUX, &x);
1414                 } else
1415                         res = 0;
1416                 if (res >= 0)
1417                         res = write(fd, data, len);
1418                 if (res < 1) {
1419                         if (errno != EAGAIN) {
1420                                 ast_log(LOG_WARNING, "Failed to write audio data to conference: %s\n", strerror(errno));
1421                                 return -1;
1422                         } else
1423                                 return 0;
1424                 }
1425                 len -= res;
1426                 data += res;
1427         }
1428
1429         return 0;
1430 }
1431
1432 static int set_talk_volume(struct ast_conf_user *user, int volume)
1433 {
1434         char gain_adjust;
1435
1436         /* attempt to make the adjustment in the channel driver;
1437            if successful, don't adjust in the frame reading routine
1438         */
1439         gain_adjust = gain_map[volume + 5];
1440
1441         return ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
1442 }
1443
1444 static int set_listen_volume(struct ast_conf_user *user, int volume)
1445 {
1446         char gain_adjust;
1447
1448         /* attempt to make the adjustment in the channel driver;
1449            if successful, don't adjust in the frame reading routine
1450         */
1451         gain_adjust = gain_map[volume + 5];
1452
1453         return ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
1454 }
1455
1456 static void tweak_volume(struct volume *vol, enum volume_action action)
1457 {
1458         switch (action) {
1459         case VOL_UP:
1460                 switch (vol->desired) { 
1461                 case 5:
1462                         break;
1463                 case 0:
1464                         vol->desired = 2;
1465                         break;
1466                 case -2:
1467                         vol->desired = 0;
1468                         break;
1469                 default:
1470                         vol->desired++;
1471                         break;
1472                 }
1473                 break;
1474         case VOL_DOWN:
1475                 switch (vol->desired) {
1476                 case -5:
1477                         break;
1478                 case 2:
1479                         vol->desired = 0;
1480                         break;
1481                 case 0:
1482                         vol->desired = -2;
1483                         break;
1484                 default:
1485                         vol->desired--;
1486                         break;
1487                 }
1488         }
1489 }
1490
1491 static void tweak_talk_volume(struct ast_conf_user *user, enum volume_action action)
1492 {
1493         tweak_volume(&user->talk, action);
1494         /* attempt to make the adjustment in the channel driver;
1495            if successful, don't adjust in the frame reading routine
1496         */
1497         if (!set_talk_volume(user, user->talk.desired))
1498                 user->talk.actual = 0;
1499         else
1500                 user->talk.actual = user->talk.desired;
1501 }
1502
1503 static void tweak_listen_volume(struct ast_conf_user *user, enum volume_action action)
1504 {
1505         tweak_volume(&user->listen, action);
1506         /* attempt to make the adjustment in the channel driver;
1507            if successful, don't adjust in the frame reading routine
1508         */
1509         if (!set_listen_volume(user, user->listen.desired))
1510                 user->listen.actual = 0;
1511         else
1512                 user->listen.actual = user->listen.desired;
1513 }
1514
1515 static void reset_volumes(struct ast_conf_user *user)
1516 {
1517         signed char zero_volume = 0;
1518
1519         ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
1520         ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &zero_volume, sizeof(zero_volume), 0);
1521 }
1522
1523 static void conf_play(struct ast_channel *chan, struct ast_conference *conf, enum entrance_sound sound)
1524 {
1525         unsigned char *data;
1526         int len;
1527         int res = -1;
1528
1529         ast_test_suite_event_notify("CONFPLAY", "Channel: %s\r\n"
1530                 "Conference: %s\r\n"
1531                 "Marked: %d",
1532                 ast_channel_name(chan),
1533                 conf->confno,
1534                 conf->markedusers);
1535
1536         if (!ast_check_hangup(chan))
1537                 res = ast_autoservice_start(chan);
1538
1539         AST_LIST_LOCK(&confs);
1540
1541         switch(sound) {
1542         case ENTER:
1543                 data = enter;
1544                 len = sizeof(enter);
1545                 break;
1546         case LEAVE:
1547                 data = leave;
1548                 len = sizeof(leave);
1549                 break;
1550         default:
1551                 data = NULL;
1552                 len = 0;
1553         }
1554         if (data) {
1555                 careful_write(conf->fd, data, len, 1);
1556         }
1557
1558         AST_LIST_UNLOCK(&confs);
1559
1560         if (!res) 
1561                 ast_autoservice_stop(chan);
1562 }
1563
1564 static int user_no_cmp(void *obj, void *arg, int flags)
1565 {
1566         struct ast_conf_user *user = obj;
1567         int *user_no = arg;
1568
1569         if (user->user_no == *user_no) {
1570                 return (CMP_MATCH | CMP_STOP);
1571         }
1572
1573         return 0;
1574 }
1575
1576 static int user_max_cmp(void *obj, void *arg, int flags)
1577 {
1578         struct ast_conf_user *user = obj;
1579         int *max_no = arg;
1580
1581         if (user->user_no > *max_no) {
1582                 *max_no = user->user_no;
1583         }
1584
1585         return 0;
1586 }
1587
1588 /*!
1589  * \brief Find or create a conference
1590  *
1591  * \param confno The conference name/number
1592  * \param pin The regular user pin
1593  * \param pinadmin The admin pin
1594  * \param make Make the conf if it doesn't exist
1595  * \param dynamic Mark the newly created conference as dynamic
1596  * \param refcount How many references to mark on the conference
1597  * \param chan The asterisk channel
1598  * \param test
1599  *
1600  * \return A pointer to the conference struct, or NULL if it wasn't found and
1601  *         make or dynamic were not set.
1602  */
1603 static struct ast_conference *build_conf(const char *confno, const char *pin,
1604         const char *pinadmin, int make, int dynamic, int refcount,
1605         const struct ast_channel *chan, struct ast_test *test)
1606 {
1607         struct ast_conference *cnf;
1608         struct dahdi_confinfo dahdic = { 0, };
1609         int confno_int = 0;
1610         struct ast_format_cap *cap_slin = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
1611
1612         AST_LIST_LOCK(&confs);
1613
1614         AST_LIST_TRAVERSE(&confs, cnf, list) {
1615                 if (!strcmp(confno, cnf->confno)) 
1616                         break;
1617         }
1618
1619         if (cnf || (!make && !dynamic) || !cap_slin)
1620                 goto cnfout;
1621
1622         ast_format_cap_append(cap_slin, ast_format_slin, 0);
1623         /* Make a new one */
1624         if (!(cnf = ast_calloc(1, sizeof(*cnf))) ||
1625                 !(cnf->usercontainer = ao2_container_alloc(1, NULL, user_no_cmp))) {
1626                 goto cnfout;
1627         }
1628
1629         ast_mutex_init(&cnf->playlock);
1630         ast_mutex_init(&cnf->listenlock);
1631         cnf->recordthread = AST_PTHREADT_NULL;
1632         ast_mutex_init(&cnf->recordthreadlock);
1633         cnf->announcethread = AST_PTHREADT_NULL;
1634         ast_mutex_init(&cnf->announcethreadlock);
1635         ast_copy_string(cnf->confno, confno, sizeof(cnf->confno));
1636         ast_copy_string(cnf->pin, pin, sizeof(cnf->pin));
1637         ast_copy_string(cnf->pinadmin, pinadmin, sizeof(cnf->pinadmin));
1638         ast_copy_string(cnf->uniqueid, ast_channel_uniqueid(chan), sizeof(cnf->uniqueid));
1639
1640         /* Setup a new dahdi conference */
1641         dahdic.confno = -1;
1642         dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
1643         cnf->fd = open("/dev/dahdi/pseudo", O_RDWR);
1644         if (cnf->fd < 0 || ioctl(cnf->fd, DAHDI_SETCONF, &dahdic)) {
1645                 if (test) {
1646                         /* if we are creating a conference for a unit test, it is not neccesary
1647                          * to open a pseudo channel, so, if we fail continue creating
1648                          * the conference. */
1649                         ast_test_status_update(test, "Unable to open DAHDI pseudo device\n");
1650                 } else {
1651                         ast_log(LOG_WARNING, "Unable to open DAHDI pseudo device\n");
1652                         if (cnf->fd >= 0)
1653                                 close(cnf->fd);
1654                         ao2_ref(cnf->usercontainer, -1);
1655                         ast_mutex_destroy(&cnf->playlock);
1656                         ast_mutex_destroy(&cnf->listenlock);
1657                         ast_mutex_destroy(&cnf->recordthreadlock);
1658                         ast_mutex_destroy(&cnf->announcethreadlock);
1659                         ast_free(cnf);
1660                         cnf = NULL;
1661                         goto cnfout;
1662                 }
1663         }
1664
1665         cnf->dahdiconf = dahdic.confno;
1666
1667         /* Setup a new channel for playback of audio files */
1668         cnf->chan = ast_request("DAHDI", cap_slin, NULL, chan, "pseudo", NULL);
1669         if (cnf->chan) {
1670                 ast_set_read_format(cnf->chan, ast_format_slin);
1671                 ast_set_write_format(cnf->chan, ast_format_slin);
1672                 dahdic.chan = 0;
1673                 dahdic.confno = cnf->dahdiconf;
1674                 dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
1675                 if (ioctl(ast_channel_fd(cnf->chan, 0), DAHDI_SETCONF, &dahdic)) {
1676                         if (test) {
1677                                 ast_test_status_update(test, "Error setting conference on pseudo channel\n");
1678                         }
1679                         ast_log(LOG_WARNING, "Error setting conference\n");
1680                         if (cnf->chan)
1681                                 ast_hangup(cnf->chan);
1682                         else
1683                                 close(cnf->fd);
1684                         ao2_ref(cnf->usercontainer, -1);
1685                         ast_mutex_destroy(&cnf->playlock);
1686                         ast_mutex_destroy(&cnf->listenlock);
1687                         ast_mutex_destroy(&cnf->recordthreadlock);
1688                         ast_mutex_destroy(&cnf->announcethreadlock);
1689                         ast_free(cnf);
1690                         cnf = NULL;
1691                         goto cnfout;
1692                 }
1693         }
1694
1695         /* Fill the conference struct */
1696         cnf->start = time(NULL);
1697         cnf->maxusers = 0x7fffffff;
1698         cnf->isdynamic = dynamic ? 1 : 0;
1699         ast_verb(3, "Created MeetMe conference %d for conference '%s'\n", cnf->dahdiconf, cnf->confno);
1700         AST_LIST_INSERT_HEAD(&confs, cnf, list);
1701
1702         /* Reserve conference number in map */
1703         if ((sscanf(cnf->confno, "%30d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024))
1704                 conf_map[confno_int] = 1;
1705         
1706 cnfout:
1707         ao2_cleanup(cap_slin);
1708         if (cnf)
1709                 ast_atomic_fetchadd_int(&cnf->refcount, refcount);
1710
1711         AST_LIST_UNLOCK(&confs);
1712
1713         return cnf;
1714 }
1715
1716 static char *complete_confno(const char *word, int state)
1717 {
1718         struct ast_conference *cnf;
1719         char *ret = NULL;
1720         int which = 0;
1721         int len = strlen(word);
1722
1723         AST_LIST_LOCK(&confs);
1724         AST_LIST_TRAVERSE(&confs, cnf, list) {
1725                 if (!strncmp(word, cnf->confno, len) && ++which > state) {
1726                         /* dup before releasing the lock */
1727                         ret = ast_strdup(cnf->confno);
1728                         break;
1729                 }
1730         }
1731         AST_LIST_UNLOCK(&confs);
1732         return ret;
1733 }
1734
1735 static char *complete_userno(struct ast_conference *cnf, const char *word, int state)
1736 {
1737         char usrno[50];
1738         struct ao2_iterator iter;
1739         struct ast_conf_user *usr;
1740         char *ret = NULL;
1741         int which = 0;
1742         int len = strlen(word);
1743
1744         iter = ao2_iterator_init(cnf->usercontainer, 0);
1745         for (; (usr = ao2_iterator_next(&iter)); ao2_ref(usr, -1)) {
1746                 snprintf(usrno, sizeof(usrno), "%d", usr->user_no);
1747                 if (!strncmp(word, usrno, len) && ++which > state) {
1748                         ao2_ref(usr, -1);
1749                         ret = ast_strdup(usrno);
1750                         break;
1751                 }
1752         }
1753         ao2_iterator_destroy(&iter);
1754         return ret;
1755 }
1756
1757 static char *complete_meetmecmd_mute_kick(const char *line, const char *word, int pos, int state)
1758 {
1759         if (pos == 2) {
1760                 return complete_confno(word, state);
1761         }
1762         if (pos == 3) {
1763                 int len = strlen(word);
1764                 char *ret = NULL;
1765                 char *saved = NULL;
1766                 char *myline;
1767                 char *confno;
1768                 struct ast_conference *cnf;
1769
1770                 if (!strncasecmp(word, "all", len)) {
1771                         if (state == 0) {
1772                                 return ast_strdup("all");
1773                         }
1774                         --state;
1775                 }
1776
1777                 /* Extract the confno from the command line. */
1778                 myline = ast_strdupa(line);
1779                 strtok_r(myline, " ", &saved);
1780                 strtok_r(NULL, " ", &saved);
1781                 confno = strtok_r(NULL, " ", &saved);
1782
1783                 AST_LIST_LOCK(&confs);
1784                 AST_LIST_TRAVERSE(&confs, cnf, list) {
1785                         if (!strcmp(confno, cnf->confno)) {
1786                                 ret = complete_userno(cnf, word, state);
1787                                 break;
1788                         }
1789                 }
1790                 AST_LIST_UNLOCK(&confs);
1791
1792                 return ret;
1793         }
1794         return NULL;
1795 }
1796
1797 static char *complete_meetmecmd_lock(const char *word, int pos, int state)
1798 {
1799         if (pos == 2) {
1800                 return complete_confno(word, state);
1801         }
1802         return NULL;
1803 }
1804
1805 static char *complete_meetmecmd_list(const char *line, const char *word, int pos, int state)
1806 {
1807         int len;
1808
1809         if (pos == 2) {
1810                 len = strlen(word);
1811                 if (!strncasecmp(word, STR_CONCISE, len)) {
1812                         if (state == 0) {
1813                                 return ast_strdup(STR_CONCISE);
1814                         }
1815                         --state;
1816                 }
1817
1818                 return complete_confno(word, state);
1819         }
1820         if (pos == 3 && state == 0) {
1821                 char *saved = NULL;
1822                 char *myline;
1823                 char *confno;
1824
1825                 /* Extract the confno from the command line. */
1826                 myline = ast_strdupa(line);
1827                 strtok_r(myline, " ", &saved);
1828                 strtok_r(NULL, " ", &saved);
1829                 confno = strtok_r(NULL, " ", &saved);
1830
1831                 if (!strcasecmp(confno, STR_CONCISE)) {
1832                         /* There is nothing valid in this position now. */
1833                         return NULL;
1834                 }
1835
1836                 len = strlen(word);
1837                 if (!strncasecmp(word, STR_CONCISE, len)) {
1838                         return ast_strdup(STR_CONCISE);
1839                 }
1840         }
1841         return NULL;
1842 }
1843
1844 static char *meetme_show_cmd(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
1845 {
1846         /* Process the command */
1847         struct ast_conf_user *user;
1848         struct ast_conference *cnf;
1849         int hr, min, sec;
1850         int total = 0;
1851         time_t now;
1852 #define MC_HEADER_FORMAT "%-14s %-14s %-10s %-8s  %-8s  %-6s\n"
1853 #define MC_DATA_FORMAT "%-12.12s   %4.4d              %4.4s       %02d:%02d:%02d  %-8s  %-6s\n"
1854
1855         switch (cmd) {
1856         case CLI_INIT:
1857                 e->command = "meetme list";
1858                 e->usage =
1859                         "Usage: meetme list [<confno>] [" STR_CONCISE "]\n"
1860                         "       List all conferences or a specific conference.\n";
1861                 return NULL;
1862         case CLI_GENERATE:
1863                 return complete_meetmecmd_list(a->line, a->word, a->pos, a->n);
1864         }
1865
1866         if (a->argc == 2 || (a->argc == 3 && !strcasecmp(a->argv[2], STR_CONCISE))) {
1867                 /* List all the conferences */
1868                 int concise = (a->argc == 3);
1869                 struct ast_str *marked_users;
1870
1871                 if (!(marked_users = ast_str_create(30))) {
1872                         return CLI_FAILURE;
1873                 }
1874
1875                 now = time(NULL);
1876                 AST_LIST_LOCK(&confs);
1877                 if (AST_LIST_EMPTY(&confs)) {
1878                         if (!concise) {
1879                                 ast_cli(a->fd, "No active MeetMe conferences.\n");
1880                         }
1881                         AST_LIST_UNLOCK(&confs);
1882                         ast_free(marked_users);
1883                         return CLI_SUCCESS;
1884                 }
1885                 if (!concise) {
1886                         ast_cli(a->fd, MC_HEADER_FORMAT, "Conf Num", "Parties", "Marked", "Activity", "Creation", "Locked");
1887                 }
1888                 AST_LIST_TRAVERSE(&confs, cnf, list) {
1889                         hr = (now - cnf->start) / 3600;
1890                         min = ((now - cnf->start) % 3600) / 60;
1891                         sec = (now - cnf->start) % 60;
1892                         if (!concise) {
1893                                 if (cnf->markedusers == 0) {
1894                                         ast_str_set(&marked_users, 0, "N/A ");
1895                                 } else {
1896                                         ast_str_set(&marked_users, 0, "%4.4d", cnf->markedusers);
1897                                 }
1898                                 ast_cli(a->fd, MC_DATA_FORMAT, cnf->confno, cnf->users,
1899                                         ast_str_buffer(marked_users), hr, min, sec,
1900                                         cnf->isdynamic ? "Dynamic" : "Static", cnf->locked ? "Yes" : "No");
1901                         } else {
1902                                 ast_cli(a->fd, "%s!%d!%d!%02d:%02d:%02d!%d!%d\n",
1903                                         cnf->confno,
1904                                         cnf->users,
1905                                         cnf->markedusers,
1906                                         hr, min, sec,
1907                                         cnf->isdynamic,
1908                                         cnf->locked);
1909                         }
1910
1911                         total += cnf->users;
1912                 }
1913                 AST_LIST_UNLOCK(&confs);
1914                 if (!concise) {
1915                         ast_cli(a->fd, "* Total number of MeetMe users: %d\n", total);
1916                 }
1917                 ast_free(marked_users);
1918                 return CLI_SUCCESS;
1919         }
1920         if (a->argc == 3 || (a->argc == 4 && !strcasecmp(a->argv[3], STR_CONCISE))) {
1921                 struct ao2_iterator user_iter;
1922                 int concise = (a->argc == 4);
1923
1924                 /* List all the users in a conference */
1925                 if (AST_LIST_EMPTY(&confs)) {
1926                         if (!concise) {
1927                                 ast_cli(a->fd, "No active MeetMe conferences.\n");
1928                         }
1929                         return CLI_SUCCESS;
1930                 }
1931                 /* Find the right conference */
1932                 AST_LIST_LOCK(&confs);
1933                 AST_LIST_TRAVERSE(&confs, cnf, list) {
1934                         if (strcmp(cnf->confno, a->argv[2]) == 0) {
1935                                 break;
1936                         }
1937                 }
1938                 if (!cnf) {
1939                         if (!concise)
1940                                 ast_cli(a->fd, "No such conference: %s.\n", a->argv[2]);
1941                         AST_LIST_UNLOCK(&confs);
1942                         return CLI_SUCCESS;
1943                 }
1944                 /* Show all the users */
1945                 time(&now);
1946                 user_iter = ao2_iterator_init(cnf->usercontainer, 0);
1947                 while((user = ao2_iterator_next(&user_iter))) {
1948                         hr = (now - user->jointime) / 3600;
1949                         min = ((now - user->jointime) % 3600) / 60;
1950                         sec = (now - user->jointime) % 60;
1951                         if (!concise) {
1952                                 ast_cli(a->fd, "User #: %-2.2d %12.12s %-20.20s Channel: %s %s %s %s %s %s %02d:%02d:%02d\n",
1953                                         user->user_no,
1954                                         S_COR(ast_channel_caller(user->chan)->id.number.valid, ast_channel_caller(user->chan)->id.number.str, "<unknown>"),
1955                                         S_COR(ast_channel_caller(user->chan)->id.name.valid, ast_channel_caller(user->chan)->id.name.str, "<no name>"),
1956                                         ast_channel_name(user->chan),
1957                                         ast_test_flag64(&user->userflags, CONFFLAG_ADMIN) ? "(Admin)" : "",
1958                                         ast_test_flag64(&user->userflags, CONFFLAG_MONITOR) ? "(Listen only)" : "",
1959                                         user->adminflags & ADMINFLAG_MUTED ? "(Admin Muted)" : user->adminflags & ADMINFLAG_SELFMUTED ? "(Muted)" : "",
1960                                         user->adminflags & ADMINFLAG_T_REQUEST ? "(Request to Talk)" : "",
1961                                         istalking(user->talking), hr, min, sec); 
1962                         } else {
1963                                 ast_cli(a->fd, "%d!%s!%s!%s!%s!%s!%s!%s!%d!%02d:%02d:%02d\n",
1964                                         user->user_no,
1965                                         S_COR(ast_channel_caller(user->chan)->id.number.valid, ast_channel_caller(user->chan)->id.number.str, ""),
1966                                         S_COR(ast_channel_caller(user->chan)->id.name.valid, ast_channel_caller(user->chan)->id.name.str, ""),
1967                                         ast_channel_name(user->chan),
1968                                         ast_test_flag64(&user->userflags, CONFFLAG_ADMIN) ? "1" : "",
1969                                         ast_test_flag64(&user->userflags, CONFFLAG_MONITOR) ? "1" : "",
1970                                         user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED) ? "1" : "",
1971                                         user->adminflags & ADMINFLAG_T_REQUEST ? "1" : "",
1972                                         user->talking, hr, min, sec);
1973                         }
1974                         ao2_ref(user, -1);
1975                 }
1976                 ao2_iterator_destroy(&user_iter);
1977                 if (!concise) {
1978                         ast_cli(a->fd, "%d users in that conference.\n", cnf->users);
1979                 }
1980                 AST_LIST_UNLOCK(&confs);
1981                 return CLI_SUCCESS;
1982         }
1983         return CLI_SHOWUSAGE;
1984 }
1985
1986
1987 static char *meetme_cmd_helper(struct ast_cli_args *a)
1988 {
1989         /* Process the command */
1990         struct ast_str *cmdline;
1991
1992         /* Max confno length */
1993         if (!(cmdline = ast_str_create(MAX_CONFNUM))) {
1994                 return CLI_FAILURE;
1995         }
1996
1997         ast_str_set(&cmdline, 0, "%s", a->argv[2]);     /* Argv 2: conference number */
1998         if (strcasestr(a->argv[1], "lock")) {
1999                 if (strcasecmp(a->argv[1], "lock") == 0) {
2000                         /* Lock */
2001                         ast_str_append(&cmdline, 0, ",L");
2002                 } else {
2003                         /* Unlock */
2004                         ast_str_append(&cmdline, 0, ",l");
2005                 }
2006         } else if (strcasestr(a->argv[1], "mute")) { 
2007                 if (strcasecmp(a->argv[1], "mute") == 0) {
2008                         /* Mute */
2009                         if (strcasecmp(a->argv[3], "all") == 0) {
2010                                 ast_str_append(&cmdline, 0, ",N");
2011                         } else {
2012                                 ast_str_append(&cmdline, 0, ",M,%s", a->argv[3]);       
2013                         }
2014                 } else {
2015                         /* Unmute */
2016                         if (strcasecmp(a->argv[3], "all") == 0) {
2017                                 ast_str_append(&cmdline, 0, ",n");
2018                         } else {
2019                                 ast_str_append(&cmdline, 0, ",m,%s", a->argv[3]);
2020                         }
2021                 }
2022         } else if (strcasecmp(a->argv[1], "kick") == 0) {
2023                 if (strcasecmp(a->argv[3], "all") == 0) {
2024                         /* Kick all */
2025                         ast_str_append(&cmdline, 0, ",K");
2026                 } else {
2027                         /* Kick a single user */
2028                         ast_str_append(&cmdline, 0, ",k,%s", a->argv[3]);
2029                 }
2030         } else {
2031                 /*
2032                  * Should never get here because it is already filtered by the
2033                  * callers.
2034                  */
2035                 ast_free(cmdline);
2036                 return CLI_SHOWUSAGE;
2037         }
2038
2039         ast_debug(1, "Cmdline: %s\n", ast_str_buffer(cmdline));
2040
2041         admin_exec(NULL, ast_str_buffer(cmdline));
2042         ast_free(cmdline);
2043
2044         return CLI_SUCCESS;
2045 }
2046
2047 static char *meetme_lock_cmd(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2048 {
2049         switch (cmd) {
2050         case CLI_INIT:
2051                 e->command = "meetme {lock|unlock}";
2052                 e->usage =
2053                         "Usage: meetme lock|unlock <confno>\n"
2054                         "       Lock or unlock a conference to new users.\n";
2055                 return NULL;
2056         case CLI_GENERATE:
2057                 return complete_meetmecmd_lock(a->word, a->pos, a->n);
2058         }
2059
2060         if (a->argc != 3) {
2061                 return CLI_SHOWUSAGE;
2062         }
2063
2064         return meetme_cmd_helper(a);
2065 }
2066
2067 static char *meetme_kick_cmd(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2068 {
2069         switch (cmd) {
2070         case CLI_INIT:
2071                 e->command = "meetme kick";
2072                 e->usage =
2073                         "Usage: meetme kick <confno> all|<userno>\n"
2074                         "       Kick a conference or a user in a conference.\n";
2075                 return NULL;
2076         case CLI_GENERATE:
2077                 return complete_meetmecmd_mute_kick(a->line, a->word, a->pos, a->n);
2078         }
2079
2080         if (a->argc != 4) {
2081                 return CLI_SHOWUSAGE;
2082         }
2083
2084         return meetme_cmd_helper(a);
2085 }
2086
2087 static char *meetme_mute_cmd(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2088 {
2089         switch (cmd) {
2090         case CLI_INIT:
2091                 e->command = "meetme {mute|unmute}";
2092                 e->usage =
2093                         "Usage: meetme mute|unmute <confno> all|<userno>\n"
2094                         "       Mute or unmute a conference or a user in a conference.\n";
2095                 return NULL;
2096         case CLI_GENERATE:
2097                 return complete_meetmecmd_mute_kick(a->line, a->word, a->pos, a->n);
2098         }
2099
2100         if (a->argc != 4) {
2101                 return CLI_SHOWUSAGE;
2102         }
2103
2104         return meetme_cmd_helper(a);
2105 }
2106
2107 static const char *sla_hold_str(unsigned int hold_access)
2108 {
2109         const char *hold = "Unknown";
2110
2111         switch (hold_access) {
2112         case SLA_HOLD_OPEN:
2113                 hold = "Open";
2114                 break;
2115         case SLA_HOLD_PRIVATE:
2116                 hold = "Private";
2117         default:
2118                 break;
2119         }
2120
2121         return hold;
2122 }
2123
2124 static char *sla_show_trunks(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2125 {
2126         struct ao2_iterator i;
2127         struct sla_trunk *trunk;
2128
2129         switch (cmd) {
2130         case CLI_INIT:
2131                 e->command = "sla show trunks";
2132                 e->usage =
2133                         "Usage: sla show trunks\n"
2134                         "       This will list all trunks defined in sla.conf\n";
2135                 return NULL;
2136         case CLI_GENERATE:
2137                 return NULL;
2138         }
2139
2140         ast_cli(a->fd, "\n"
2141                     "=============================================================\n"
2142                     "=== Configured SLA Trunks ===================================\n"
2143                     "=============================================================\n"
2144                     "===\n");
2145         i = ao2_iterator_init(sla_trunks, 0);
2146         for (; (trunk = ao2_iterator_next(&i)); ao2_ref(trunk, -1)) {
2147                 struct sla_station_ref *station_ref;
2148                 char ring_timeout[16] = "(none)";
2149
2150                 ao2_lock(trunk);
2151
2152                 if (trunk->ring_timeout) {
2153                         snprintf(ring_timeout, sizeof(ring_timeout), "%u Seconds", trunk->ring_timeout);
2154                 }
2155
2156                 ast_cli(a->fd, "=== ---------------------------------------------------------\n"
2157                             "=== Trunk Name:       %s\n"
2158                             "=== ==> Device:       %s\n"
2159                             "=== ==> AutoContext:  %s\n"
2160                             "=== ==> RingTimeout:  %s\n"
2161                             "=== ==> BargeAllowed: %s\n"
2162                             "=== ==> HoldAccess:   %s\n"
2163                             "=== ==> Stations ...\n",
2164                             trunk->name, trunk->device, 
2165                             S_OR(trunk->autocontext, "(none)"), 
2166                             ring_timeout,
2167                             trunk->barge_disabled ? "No" : "Yes",
2168                             sla_hold_str(trunk->hold_access));
2169
2170                 AST_LIST_TRAVERSE(&trunk->stations, station_ref, entry) {
2171                         ast_cli(a->fd, "===    ==> Station name: %s\n", station_ref->station->name);
2172                 }
2173
2174                 ast_cli(a->fd, "=== ---------------------------------------------------------\n===\n");
2175
2176                 ao2_unlock(trunk);
2177         }
2178         ao2_iterator_destroy(&i);
2179         ast_cli(a->fd, "=============================================================\n\n");
2180
2181         return CLI_SUCCESS;
2182 }
2183
2184 static const char *trunkstate2str(enum sla_trunk_state state)
2185 {
2186 #define S(e) case e: return # e;
2187         switch (state) {
2188         S(SLA_TRUNK_STATE_IDLE)
2189         S(SLA_TRUNK_STATE_RINGING)
2190         S(SLA_TRUNK_STATE_UP)
2191         S(SLA_TRUNK_STATE_ONHOLD)
2192         S(SLA_TRUNK_STATE_ONHOLD_BYME)
2193         }
2194         return "Uknown State";
2195 #undef S
2196 }
2197
2198 static char *sla_show_stations(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2199 {
2200         struct ao2_iterator i;
2201         struct sla_station *station;
2202
2203         switch (cmd) {
2204         case CLI_INIT:
2205                 e->command = "sla show stations";
2206                 e->usage =
2207                         "Usage: sla show stations\n"
2208                         "       This will list all stations defined in sla.conf\n";
2209                 return NULL;
2210         case CLI_GENERATE:
2211                 return NULL;
2212         }
2213
2214         ast_cli(a->fd, "\n" 
2215                     "=============================================================\n"
2216                     "=== Configured SLA Stations =================================\n"
2217                     "=============================================================\n"
2218                     "===\n");
2219         i = ao2_iterator_init(sla_stations, 0);
2220         for (; (station = ao2_iterator_next(&i)); ao2_ref(station, -1)) {
2221                 struct sla_trunk_ref *trunk_ref;
2222                 char ring_timeout[16] = "(none)";
2223                 char ring_delay[16] = "(none)";
2224
2225                 ao2_lock(station);
2226
2227                 if (station->ring_timeout) {
2228                         snprintf(ring_timeout, sizeof(ring_timeout), 
2229                                 "%u", station->ring_timeout);
2230                 }
2231                 if (station->ring_delay) {
2232                         snprintf(ring_delay, sizeof(ring_delay), 
2233                                 "%u", station->ring_delay);
2234                 }
2235                 ast_cli(a->fd, "=== ---------------------------------------------------------\n"
2236                             "=== Station Name:    %s\n"
2237                             "=== ==> Device:      %s\n"
2238                             "=== ==> AutoContext: %s\n"
2239                             "=== ==> RingTimeout: %s\n"
2240                             "=== ==> RingDelay:   %s\n"
2241                             "=== ==> HoldAccess:  %s\n"
2242                             "=== ==> Trunks ...\n",
2243                             station->name, station->device,
2244                             S_OR(station->autocontext, "(none)"), 
2245                             ring_timeout, ring_delay,
2246                             sla_hold_str(station->hold_access));
2247                 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
2248                         if (trunk_ref->ring_timeout) {
2249                                 snprintf(ring_timeout, sizeof(ring_timeout),
2250                                         "%u", trunk_ref->ring_timeout);
2251                         } else
2252                                 strcpy(ring_timeout, "(none)");
2253                         if (trunk_ref->ring_delay) {
2254                                 snprintf(ring_delay, sizeof(ring_delay),
2255                                         "%u", trunk_ref->ring_delay);
2256                         } else
2257                                 strcpy(ring_delay, "(none)");
2258                                 ast_cli(a->fd, "===    ==> Trunk Name: %s\n"
2259                                     "===       ==> State:       %s\n"
2260                                     "===       ==> RingTimeout: %s\n"
2261                                     "===       ==> RingDelay:   %s\n",
2262                                     trunk_ref->trunk->name,
2263                                     trunkstate2str(trunk_ref->state),
2264                                     ring_timeout, ring_delay);
2265                 }
2266                 ast_cli(a->fd, "=== ---------------------------------------------------------\n"
2267                             "===\n");
2268
2269                 ao2_unlock(station);
2270         }
2271         ao2_iterator_destroy(&i);
2272         ast_cli(a->fd, "============================================================\n"
2273                     "\n");
2274
2275         return CLI_SUCCESS;
2276 }
2277
2278 static struct ast_cli_entry cli_meetme[] = {
2279         AST_CLI_DEFINE(meetme_kick_cmd, "Kick a conference or a user in a conference."),
2280         AST_CLI_DEFINE(meetme_show_cmd, "List all conferences or a specific conference."),
2281         AST_CLI_DEFINE(meetme_lock_cmd, "Lock or unlock a conference to new users."),
2282         AST_CLI_DEFINE(meetme_mute_cmd, "Mute or unmute a conference or a user in a conference."),
2283         AST_CLI_DEFINE(sla_show_trunks, "Show SLA Trunks"),
2284         AST_CLI_DEFINE(sla_show_stations, "Show SLA Stations"),
2285 };
2286
2287 static void conf_flush(int fd, struct ast_channel *chan)
2288 {
2289         int x;
2290
2291         /* read any frames that may be waiting on the channel
2292            and throw them away
2293         */
2294         if (chan) {
2295                 struct ast_frame *f;
2296
2297                 /* when no frames are available, this will wait
2298                    for 1 millisecond maximum
2299                 */
2300                 while (ast_waitfor(chan, 1) > 0) {
2301                         f = ast_read(chan);
2302                         if (f)
2303                                 ast_frfree(f);
2304                         else /* channel was hung up or something else happened */
2305                                 break;
2306                 }
2307         }
2308
2309         /* flush any data sitting in the pseudo channel */
2310         x = DAHDI_FLUSH_ALL;
2311         if (ioctl(fd, DAHDI_FLUSH, &x))
2312                 ast_log(LOG_WARNING, "Error flushing channel\n");
2313
2314 }
2315
2316 /*! \brief Remove the conference from the list and free it.
2317
2318    We assume that this was called while holding conflock. */
2319 static int conf_free(struct ast_conference *conf)
2320 {
2321         int x;
2322         struct announce_listitem *item;
2323
2324         AST_LIST_REMOVE(&confs, conf, list);
2325
2326         meetme_stasis_generate_msg(conf, NULL, NULL, meetme_end_type(), NULL);
2327
2328         if (conf->recording == MEETME_RECORD_ACTIVE) {
2329                 conf->recording = MEETME_RECORD_TERMINATE;
2330                 AST_LIST_UNLOCK(&confs);
2331                 while (1) {
2332                         usleep(1);
2333                         AST_LIST_LOCK(&confs);
2334                         if (conf->recording == MEETME_RECORD_OFF)
2335                                 break;
2336                         AST_LIST_UNLOCK(&confs);
2337                 }
2338         }
2339
2340         for (x = 0; x < AST_FRAME_BITS; x++) {
2341                 if (conf->transframe[x])
2342                         ast_frfree(conf->transframe[x]);
2343                 if (conf->transpath[x])
2344                         ast_translator_free_path(conf->transpath[x]);
2345         }
2346         if (conf->announcethread != AST_PTHREADT_NULL) {
2347                 ast_mutex_lock(&conf->announcelistlock);
2348                 conf->announcethread_stop = 1;
2349                 ast_softhangup(conf->chan, AST_SOFTHANGUP_EXPLICIT);
2350                 ast_cond_signal(&conf->announcelist_addition);
2351                 ast_mutex_unlock(&conf->announcelistlock);
2352                 pthread_join(conf->announcethread, NULL);
2353         
2354                 while ((item = AST_LIST_REMOVE_HEAD(&conf->announcelist, entry))) {
2355                         /* If it's a voicemail greeting file we don't want to remove it */
2356                         if (!item->vmrec){
2357                                 ast_filedelete(item->namerecloc, NULL);
2358                         }
2359                         ao2_ref(item, -1);
2360                 }
2361                 ast_mutex_destroy(&conf->announcelistlock);
2362         }
2363
2364         if (conf->origframe)
2365                 ast_frfree(conf->origframe);
2366         ast_hangup(conf->lchan);
2367         ast_hangup(conf->chan);
2368         if (conf->fd >= 0)
2369                 close(conf->fd);
2370         if (conf->recordingfilename) {
2371                 ast_free(conf->recordingfilename);
2372         }
2373         if (conf->usercontainer) {
2374                 ao2_ref(conf->usercontainer, -1);
2375         }
2376         if (conf->recordingformat) {
2377                 ast_free(conf->recordingformat);
2378         }
2379         ast_mutex_destroy(&conf->playlock);
2380         ast_mutex_destroy(&conf->listenlock);
2381         ast_mutex_destroy(&conf->recordthreadlock);
2382         ast_mutex_destroy(&conf->announcethreadlock);
2383         ast_free(conf);
2384
2385         return 0;
2386 }
2387
2388 static void conf_queue_dtmf(const struct ast_conference *conf,
2389         const struct ast_conf_user *sender, struct ast_frame *f)
2390 {
2391         struct ast_conf_user *user;
2392         struct ao2_iterator user_iter;
2393
2394         user_iter = ao2_iterator_init(conf->usercontainer, 0);
2395         while ((user = ao2_iterator_next(&user_iter))) {
2396                 if (user == sender) {
2397                         ao2_ref(user, -1);
2398                         continue;
2399                 }
2400                 if (ast_write(user->chan, f) < 0)
2401                         ast_log(LOG_WARNING, "Error writing frame to channel %s\n", ast_channel_name(user->chan));
2402                 ao2_ref(user, -1);
2403         }
2404         ao2_iterator_destroy(&user_iter);
2405 }
2406
2407 static void sla_queue_event_full(enum sla_event_type type, 
2408         struct sla_trunk_ref *trunk_ref, struct sla_station *station, int lock)
2409 {
2410         struct sla_event *event;
2411
2412         if (sla.thread == AST_PTHREADT_NULL) {
2413                 ao2_ref(station, -1);
2414                 ao2_ref(trunk_ref, -1);
2415                 return;
2416         }
2417
2418         if (!(event = ast_calloc(1, sizeof(*event)))) {
2419                 ao2_ref(station, -1);
2420                 ao2_ref(trunk_ref, -1);
2421                 return;
2422         }
2423
2424         event->type = type;
2425         event->trunk_ref = trunk_ref;
2426         event->station = station;
2427
2428         if (!lock) {
2429                 AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
2430                 return;
2431         }
2432
2433         ast_mutex_lock(&sla.lock);
2434         AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
2435         ast_cond_signal(&sla.cond);
2436         ast_mutex_unlock(&sla.lock);
2437 }
2438
2439 static void sla_queue_event_nolock(enum sla_event_type type)
2440 {
2441         sla_queue_event_full(type, NULL, NULL, 0);
2442 }
2443
2444 static void sla_queue_event(enum sla_event_type type)
2445 {
2446         sla_queue_event_full(type, NULL, NULL, 1);
2447 }
2448
2449 /*! \brief Queue a SLA event from the conference */
2450 static void sla_queue_event_conf(enum sla_event_type type, struct ast_channel *chan,
2451         struct ast_conference *conf)
2452 {
2453         struct sla_station *station;
2454         struct sla_trunk_ref *trunk_ref = NULL;
2455         char *trunk_name;
2456         struct ao2_iterator i;
2457
2458         trunk_name = ast_strdupa(conf->confno);
2459         strsep(&trunk_name, "_");
2460         if (ast_strlen_zero(trunk_name)) {
2461                 ast_log(LOG_ERROR, "Invalid conference name for SLA - '%s'!\n", conf->confno);
2462                 return;
2463         }
2464
2465         i = ao2_iterator_init(sla_stations, 0);
2466         while ((station = ao2_iterator_next(&i))) {
2467                 ao2_lock(station);
2468                 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
2469                         if (trunk_ref->chan == chan && !strcmp(trunk_ref->trunk->name, trunk_name)) {
2470                                 ao2_ref(trunk_ref, 1);
2471                                 break;
2472                         }
2473                 }
2474                 ao2_unlock(station);
2475                 if (trunk_ref) {
2476                         /* station reference given to sla_queue_event_full() */
2477                         break;
2478                 }
2479                 ao2_ref(station, -1);
2480         }
2481         ao2_iterator_destroy(&i);
2482
2483         if (!trunk_ref) {
2484                 ast_debug(1, "Trunk not found for event!\n");
2485                 return;
2486         }
2487
2488         sla_queue_event_full(type, trunk_ref, station, 1);
2489 }
2490
2491 /*! \brief Decrement reference counts, as incremented by find_conf() */
2492 static int dispose_conf(struct ast_conference *conf)
2493 {
2494         int res = 0;
2495         int confno_int = 0;
2496
2497         AST_LIST_LOCK(&confs);
2498         if (ast_atomic_dec_and_test(&conf->refcount)) {
2499                 /* Take the conference room number out of an inuse state */
2500                 if ((sscanf(conf->confno, "%4d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024)) {
2501                         conf_map[confno_int] = 0;
2502                 }
2503                 conf_free(conf);
2504                 res = 1;
2505         }
2506         AST_LIST_UNLOCK(&confs);
2507
2508         return res;
2509 }
2510
2511 static int rt_extend_conf(const char *confno)
2512 {
2513         char currenttime[32];
2514         char endtime[32];
2515         struct timeval now;
2516         struct ast_tm tm;
2517         struct ast_variable *var, *orig_var;
2518         char bookid[51];
2519
2520         if (!extendby) {
2521                 return 0;
2522         }
2523
2524         now = ast_tvnow();
2525
2526         ast_localtime(&now, &tm, NULL);
2527         ast_strftime(currenttime, sizeof(currenttime), DATE_FORMAT, &tm);
2528
2529         var = ast_load_realtime("meetme", "confno",
2530                 confno, "startTime<= ", currenttime,
2531                 "endtime>= ", currenttime, NULL);
2532
2533         orig_var = var;
2534
2535         /* Identify the specific RealTime conference */
2536         while (var) {
2537                 if (!strcasecmp(var->name, "bookid")) {
2538                         ast_copy_string(bookid, var->value, sizeof(bookid));
2539                 }
2540                 if (!strcasecmp(var->name, "endtime")) {
2541                         ast_copy_string(endtime, var->value, sizeof(endtime));
2542                 }
2543
2544                 var = var->next;
2545         }
2546         ast_variables_destroy(orig_var);
2547
2548         ast_strptime(endtime, DATE_FORMAT, &tm);
2549         now = ast_mktime(&tm, NULL);
2550
2551         now.tv_sec += extendby;
2552
2553         ast_localtime(&now, &tm, NULL);
2554         ast_strftime(currenttime, sizeof(currenttime), DATE_FORMAT, &tm);
2555         strcat(currenttime, "0"); /* Seconds needs to be 00 */
2556
2557         var = ast_load_realtime("meetme", "confno",
2558                 confno, "startTime<= ", currenttime,
2559                 "endtime>= ", currenttime, NULL);
2560
2561         /* If there is no conflict with extending the conference, update the DB */
2562         if (!var) {
2563                 ast_debug(3, "Trying to update the endtime of Conference %s to %s\n", confno, currenttime);
2564                 ast_update_realtime("meetme", "bookid", bookid, "endtime", currenttime, NULL);
2565                 return 0;
2566
2567         }
2568
2569         ast_variables_destroy(var);
2570         return -1;
2571 }
2572
2573 static void conf_start_moh(struct ast_channel *chan, const char *musicclass)
2574 {
2575         char *original_moh;
2576
2577         ast_channel_lock(chan);
2578         original_moh = ast_strdupa(ast_channel_musicclass(chan));
2579         ast_channel_musicclass_set(chan, musicclass);
2580         ast_channel_unlock(chan);
2581
2582         ast_moh_start(chan, original_moh, NULL);
2583
2584         ast_channel_lock(chan);
2585         ast_channel_musicclass_set(chan, original_moh);
2586         ast_channel_unlock(chan);
2587 }
2588
2589 static const char *get_announce_filename(enum announcetypes type)
2590 {
2591         switch (type) {
2592         case CONF_HASLEFT:
2593                 return "conf-hasleft";
2594                 break;
2595         case CONF_HASJOIN:
2596                 return "conf-hasjoin";
2597                 break;
2598         default:
2599                 return "";
2600         }
2601 }
2602
2603 static void *announce_thread(void *data)
2604 {
2605         struct announce_listitem *current;
2606         struct ast_conference *conf = data;
2607         int res;
2608         char filename[PATH_MAX] = "";
2609         AST_LIST_HEAD_NOLOCK(, announce_listitem) local_list;
2610         AST_LIST_HEAD_INIT_NOLOCK(&local_list);
2611
2612         while (!conf->announcethread_stop) {
2613                 ast_mutex_lock(&conf->announcelistlock);
2614                 if (conf->announcethread_stop) {
2615                         ast_mutex_unlock(&conf->announcelistlock);
2616                         break;
2617                 }
2618                 if (AST_LIST_EMPTY(&conf->announcelist))
2619                         ast_cond_wait(&conf->announcelist_addition, &conf->announcelistlock);
2620
2621                 AST_LIST_APPEND_LIST(&local_list, &conf->announcelist, entry);
2622                 AST_LIST_HEAD_INIT_NOLOCK(&conf->announcelist);
2623
2624                 ast_mutex_unlock(&conf->announcelistlock);
2625                 if (conf->announcethread_stop) {
2626                         break;
2627                 }
2628
2629                 for (res = 1; !conf->announcethread_stop && (current = AST_LIST_REMOVE_HEAD(&local_list, entry)); ao2_ref(current, -1)) {
2630                         ast_debug(1, "About to play %s\n", current->namerecloc);
2631                         if (!ast_fileexists(current->namerecloc, NULL, NULL))
2632                                 continue;
2633                         if ((current->confchan) && (current->confusers > 1) && !ast_check_hangup(current->confchan)) {
2634                                 if (!ast_streamfile(current->confchan, current->namerecloc, current->language))
2635                                         res = ast_waitstream(current->confchan, "");
2636                                 if (!res) {
2637                                         ast_copy_string(filename, get_announce_filename(current->announcetype), sizeof(filename));
2638                                         if (!ast_streamfile(current->confchan, filename, current->language))
2639                                                 ast_waitstream(current->confchan, "");
2640                                 }
2641                         }
2642                         if (current->announcetype == CONF_HASLEFT && current->announcetype && !current->vmrec) {
2643                                 /* only remove it if it isn't a VM recording file */
2644                                 ast_filedelete(current->namerecloc, NULL);
2645                         }
2646                 }
2647         }
2648
2649         /* thread marked to stop, clean up */
2650         while ((current = AST_LIST_REMOVE_HEAD(&local_list, entry))) {
2651                 /* only delete if it's a vm rec */
2652                 if (!current->vmrec) {
2653                         ast_filedelete(current->namerecloc, NULL);
2654                 }
2655                 ao2_ref(current, -1);
2656         }
2657         return NULL;
2658 }
2659
2660 static int can_write(struct ast_channel *chan, struct ast_flags64 *confflags)
2661 {
2662         if (!ast_test_flag64(confflags, CONFFLAG_NO_AUDIO_UNTIL_UP)) {
2663                 return 1;
2664         }
2665
2666         return (ast_channel_state(chan) == AST_STATE_UP);
2667 }
2668
2669 static void send_talking_event(struct ast_channel *chan, struct ast_conference *conf, struct ast_conf_user *user, int talking)
2670 {
2671         RAII_VAR(struct ast_json *, status_blob, status_to_json(talking), ast_json_unref);
2672         meetme_stasis_generate_msg(conf, chan, user, meetme_talking_type(), status_blob);
2673 }
2674
2675 static void set_user_talking(struct ast_channel *chan, struct ast_conference *conf, struct ast_conf_user *user, int talking, int monitor)
2676 {
2677         int last_talking = user->talking;
2678         if (last_talking == talking)
2679                 return;
2680
2681         user->talking = talking;
2682
2683         if (monitor) {
2684                 /* Check if talking state changed. Take care of -1 which means unmonitored */
2685                 int was_talking = (last_talking > 0);
2686                 int now_talking = (talking > 0);
2687                 if (was_talking != now_talking) {
2688                         send_talking_event(chan, conf, user, now_talking);
2689                 }
2690         }
2691 }
2692
2693 static int user_set_hangup_cb(void *obj, void *check_admin_arg, int flags)
2694 {
2695         struct ast_conf_user *user = obj;
2696         /* actual pointer contents of check_admin_arg is irrelevant */
2697
2698         if (!check_admin_arg || (check_admin_arg && !ast_test_flag64(&user->userflags, CONFFLAG_ADMIN))) {
2699                 user->adminflags |= ADMINFLAG_HANGUP;
2700         }
2701         return 0;
2702 }
2703
2704 static int user_set_kickme_cb(void *obj, void *check_admin_arg, int flags)
2705 {
2706         struct ast_conf_user *user = obj;
2707         /* actual pointer contents of check_admin_arg is irrelevant */
2708
2709         if (!check_admin_arg || (check_admin_arg && !ast_test_flag64(&user->userflags, CONFFLAG_ADMIN))) {
2710                 user->adminflags |= ADMINFLAG_KICKME;
2711         }
2712         return 0;
2713 }
2714
2715 static int user_set_unmuted_cb(void *obj, void *check_admin_arg, int flags)
2716 {
2717         struct ast_conf_user *user = obj;
2718         /* actual pointer contents of check_admin_arg is irrelevant */
2719
2720         if (!check_admin_arg || !ast_test_flag64(&user->userflags, CONFFLAG_ADMIN)) {
2721                 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED | ADMINFLAG_T_REQUEST);
2722         }
2723         return 0;
2724 }
2725
2726 static int user_set_muted_cb(void *obj, void *check_admin_arg, int flags)
2727 {
2728         struct ast_conf_user *user = obj;
2729         /* actual pointer contents of check_admin_arg is irrelevant */
2730
2731         if (!check_admin_arg || !ast_test_flag64(&user->userflags, CONFFLAG_ADMIN)) {
2732                 user->adminflags |= ADMINFLAG_MUTED;
2733         }
2734         return 0;
2735 }
2736
2737 enum menu_modes {
2738         MENU_DISABLED = 0,
2739         MENU_NORMAL,
2740         MENU_ADMIN,
2741         MENU_ADMIN_EXTENDED,
2742 };
2743
2744 /*! \internal
2745  * \brief Processes menu options for the standard menu (accessible through the 's' option for app_meetme)
2746  *
2747  * \param menu_mode a pointer to the currently active menu_mode.
2748  * \param dtmf a pointer to the dtmf value currently being processed against the menu.
2749  * \param conf the active conference for which the user has called the menu from.
2750  * \param confflags flags used by conf for various options
2751  * \param chan ast_channel belonging to the user who called the menu
2752  * \param user which meetme conference user invoked the menu
2753  */
2754 static void meetme_menu_normal(enum menu_modes *menu_mode, int *dtmf, struct ast_conference *conf, struct ast_flags64 *confflags, struct ast_channel *chan, struct ast_conf_user *user)
2755 {
2756         switch (*dtmf) {
2757         case '1': /* Un/Mute */
2758                 *menu_mode = MENU_DISABLED;
2759
2760                 /* user can only toggle the self-muted state */
2761                 user->adminflags ^= ADMINFLAG_SELFMUTED;
2762
2763                 /* they can't override the admin mute state */
2764                 if (ast_test_flag64(confflags, CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
2765                         if (!ast_streamfile(chan, "conf-muted", ast_channel_language(chan))) {
2766                                 ast_waitstream(chan, "");
2767                         }
2768                 } else {
2769                         if (!ast_streamfile(chan, "conf-unmuted", ast_channel_language(chan))) {
2770                                 ast_waitstream(chan, "");
2771                         }
2772                 }
2773                 break;
2774
2775         case '2':
2776                 *menu_mode = MENU_DISABLED;
2777                 if (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) {
2778                         user->adminflags |= ADMINFLAG_T_REQUEST;
2779                 }
2780
2781                 if (user->adminflags & ADMINFLAG_T_REQUEST) {
2782                         if (!ast_streamfile(chan, "beep", ast_channel_language(chan))) {
2783                                 ast_waitstream(chan, "");
2784                         }
2785                 }
2786                 break;
2787
2788         case '4':
2789                 tweak_listen_volume(user, VOL_DOWN);
2790                 break;
2791         case '5':
2792                 /* Extend RT conference */
2793                 if (rt_schedule) {
2794                         rt_extend_conf(conf->confno);
2795                 }
2796                 *menu_mode = MENU_DISABLED;
2797                 break;
2798
2799         case '6':
2800                 tweak_listen_volume(user, VOL_UP);
2801                 break;
2802
2803         case '7':
2804                 tweak_talk_volume(user, VOL_DOWN);
2805                 break;
2806
2807         case '8':
2808                 *menu_mode = MENU_DISABLED;
2809                 break;
2810
2811         case '9':
2812                 tweak_talk_volume(user, VOL_UP);
2813                 break;
2814
2815         default:
2816                 *menu_mode = MENU_DISABLED;
2817                 if (!ast_streamfile(chan, "conf-errormenu", ast_channel_language(chan))) {
2818                         ast_waitstream(chan, "");
2819                 }
2820                 break;
2821         }
2822 }
2823
2824 /*! \internal
2825  * \brief Processes menu options for the adminstrator menu (accessible through the 's' option for app_meetme)
2826  *
2827  * \param menu_mode a pointer to the currently active menu_mode.
2828  * \param dtmf a pointer to the dtmf value currently being processed against the menu.
2829  * \param conf the active conference for which the user has called the menu from.
2830  * \param confflags flags used by conf for various options
2831  * \param chan ast_channel belonging to the user who called the menu
2832  * \param user which meetme conference user invoked the menu
2833  */
2834 static void meetme_menu_admin(enum menu_modes *menu_mode, int *dtmf, struct ast_conference *conf, struct ast_flags64 *confflags, struct ast_channel *chan, struct ast_conf_user *user)
2835 {
2836         switch(*dtmf) {
2837         case '1': /* Un/Mute */
2838                 *menu_mode = MENU_DISABLED;
2839                 /* for admin, change both admin and use flags */
2840                 if (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) {
2841                         user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
2842                 } else {
2843                         user->adminflags |= (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
2844                 }
2845
2846                 if (ast_test_flag64(confflags, CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
2847                         if (!ast_streamfile(chan, "conf-muted", ast_channel_language(chan))) {
2848                                 ast_waitstream(chan, "");
2849                         }
2850                 } else {
2851                         if (!ast_streamfile(chan, "conf-unmuted", ast_channel_language(chan))) {
2852                                 ast_waitstream(chan, "");
2853                         }
2854                 }
2855                 break;
2856
2857         case '2': /* Un/Lock the Conference */
2858                 *menu_mode = MENU_DISABLED;
2859                 if (conf->locked) {
2860                         conf->locked = 0;
2861                         if (!ast_streamfile(chan, "conf-unlockednow", ast_channel_language(chan))) {
2862                                 ast_waitstream(chan, "");
2863                         }
2864                 } else {
2865                         conf->locked = 1;
2866                         if (!ast_streamfile(chan, "conf-lockednow", ast_channel_language(chan))) {
2867                                 ast_waitstream(chan, "");
2868                         }
2869                 }
2870                 break;
2871
2872         case '3': /* Eject last user */
2873         {
2874                 struct ast_conf_user *usr = NULL;
2875                 int max_no = 0;
2876                 ao2_callback(conf->usercontainer, OBJ_NODATA, user_max_cmp, &max_no);
2877                 *menu_mode = MENU_DISABLED;
2878                 usr = ao2_find(conf->usercontainer, &max_no, 0);
2879                 if ((ast_channel_name(usr->chan) == ast_channel_name(chan)) || ast_test_flag64(&usr->userflags, CONFFLAG_ADMIN)) {
2880                         if (!ast_streamfile(chan, "conf-errormenu", ast_channel_language(chan))) {
2881                                 ast_waitstream(chan, "");
2882                         }
2883                 } else {
2884                         usr->adminflags |= ADMINFLAG_KICKME;
2885                 }
2886                 ao2_ref(usr, -1);
2887                 ast_stopstream(chan);
2888                 break;
2889         }
2890
2891         case '4':
2892                 tweak_listen_volume(user, VOL_DOWN);
2893                 break;
2894
2895         case '5':
2896                 /* Extend RT conference */
2897                 if (rt_schedule) {
2898                         if (!rt_extend_conf(conf->confno)) {
2899                                 if (!ast_streamfile(chan, "conf-extended", ast_channel_language(chan))) {
2900                                         ast_waitstream(chan, "");
2901                                 }
2902                         } else {
2903                                 if (!ast_streamfile(chan, "conf-nonextended", ast_channel_language(chan))) {
2904                                         ast_waitstream(chan, "");
2905                                 }
2906                         }
2907                         ast_stopstream(chan);
2908                 }
2909                 *menu_mode = MENU_DISABLED;
2910                 break;
2911
2912         case '6':
2913                 tweak_listen_volume(user, VOL_UP);
2914                 break;
2915
2916         case '7':
2917                 tweak_talk_volume(user, VOL_DOWN);
2918                 break;
2919
2920         case '8':
2921                 if (!ast_streamfile(chan, "conf-adminmenu-menu8", ast_channel_language(chan))) {
2922                         /* If the user provides DTMF while playing the sound, we want to drop right into the extended menu function with new DTMF once we get out of here. */
2923                         *dtmf = ast_waitstream(chan, AST_DIGIT_ANY);
2924                         ast_stopstream(chan);
2925                 }
2926                 *menu_mode = MENU_ADMIN_EXTENDED;
2927                 break;
2928
2929         case '9':
2930                 tweak_talk_volume(user, VOL_UP);
2931                 break;
2932         default:
2933                 menu_mode = MENU_DISABLED;
2934                 /* Play an error message! */
2935                 if (!ast_streamfile(chan, "conf-errormenu", ast_channel_language(chan))) {
2936                         ast_waitstream(chan, "");
2937                 }
2938                 break;
2939         }
2940
2941 }
2942
2943 /*! \internal
2944  * \brief Processes menu options for the extended administrator menu (accessible through option 8 on the administrator menu)
2945  *
2946  * \param menu_mode a pointer to the currently active menu_mode.
2947  * \param dtmf a pointer to the dtmf value currently being processed against the menu.
2948  * \param conf the active conference for which the user has called the menu from.
2949  * \param confflags flags used by conf for various options
2950  * \param chan ast_channel belonging to the user who called the menu
2951  * \param user which meetme conference user invoked the menu
2952  * \param recordingtmp character buffer which may hold the name of the conference recording file
2953  */
2954 static void meetme_menu_admin_extended(enum menu_modes *menu_mode, int *dtmf,
2955         struct ast_conference *conf, struct ast_flags64 *confflags, struct ast_channel *chan,
2956         struct ast_conf_user *user, char *recordingtmp, int recordingtmp_size,
2957         struct ast_format_cap *cap_slin)
2958 {
2959         int keepplaying;
2960         int playednamerec;
2961         int res;
2962         struct ao2_iterator user_iter;
2963         struct ast_conf_user *usr = NULL;
2964
2965         switch(*dtmf) {
2966         case '1': /* *81 Roll call */
2967                 keepplaying = 1;
2968                 playednamerec = 0;
2969                 if (conf->users == 1) {
2970                         if (keepplaying && !ast_streamfile(chan, "conf-onlyperson", ast_channel_language(chan))) {
2971                                 res = ast_waitstream(chan, AST_DIGIT_ANY);
2972                                 ast_stopstream(chan);
2973                                 if (res > 0) {
2974                                         keepplaying = 0;
2975                                 }
2976                         }
2977                 } else if (conf->users == 2) {
2978                         if (keepplaying && !ast_streamfile(chan, "conf-onlyone", ast_channel_language(chan))) {
2979                                 res = ast_waitstream(chan, AST_DIGIT_ANY);
2980                                 ast_stopstream(chan);
2981                                 if (res > 0) {
2982                                         keepplaying = 0;
2983                                 }
2984                         }
2985                 } else {
2986                         if (keepplaying && !ast_streamfile(chan, "conf-thereare", ast_channel_language(chan))) {
2987                                 res = ast_waitstream(chan, AST_DIGIT_ANY);
2988                                 ast_stopstream(chan);
2989                                 if (res > 0) {
2990                                         keepplaying = 0;
2991                                 }
2992                         }
2993                         if (keepplaying) {
2994                                 res = ast_say_number(chan, conf->users - 1, AST_DIGIT_ANY, ast_channel_language(chan), (char *) NULL);
2995                                 ast_stopstream(chan);
2996                                 if (res > 0) {
2997                                         keepplaying = 0;
2998                                 }
2999                         }
3000                         if (keepplaying && !ast_streamfile(chan, "conf-otherinparty", ast_channel_language(chan))) {
3001                                 res = ast_waitstream(chan, AST_DIGIT_ANY);
3002                                 ast_stopstream(chan);
3003                                 if (res > 0) {
3004                                         keepplaying = 0;
3005                                 }
3006                         }
3007                 }
3008                 user_iter = ao2_iterator_init(conf->usercontainer, 0);
3009                 while((usr = ao2_iterator_next(&user_iter))) {
3010                         if (ast_fileexists(usr->namerecloc, NULL, NULL)) {
3011                                 if (keepplaying && !ast_streamfile(chan, usr->namerecloc, ast_channel_language(chan))) {
3012                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
3013                                         ast_stopstream(chan);
3014                                         if (res > 0) {
3015                                                 keepplaying = 0;
3016                                         }
3017                                 }
3018                                 playednamerec = 1;
3019                         }
3020                         ao2_ref(usr, -1);
3021                 }
3022                 ao2_iterator_destroy(&user_iter);
3023                 if (keepplaying && playednamerec && !ast_streamfile(chan, "conf-roll-callcomplete", ast_channel_language(chan))) {
3024                         res = ast_waitstream(chan, AST_DIGIT_ANY);
3025                         ast_stopstream(chan);
3026                         if (res > 0) {
3027                                 keepplaying = 0;
3028                         }
3029                 }
3030
3031                 *menu_mode = MENU_DISABLED;
3032                 break;
3033
3034         case '2': /* *82 Eject all non-admins */
3035                 if (conf->users == 1) {
3036                         if(!ast_streamfile(chan, "conf-errormenu", ast_channel_language(chan))) {
3037                                 ast_waitstream(chan, "");
3038                         }
3039                 } else {
3040                         ao2_callback(conf->usercontainer, OBJ_NODATA, user_set_kickme_cb, &conf);
3041                 }
3042                 ast_stopstream(chan);
3043                 *menu_mode = MENU_DISABLED;
3044                 break;
3045
3046         case '3': /* *83 (Admin) mute/unmute all non-admins */
3047                 if(conf->gmuted) {
3048                         conf->gmuted = 0;
3049                         ao2_callback(conf->usercontainer, OBJ_NODATA, user_set_unmuted_cb, &conf);
3050                         if (!ast_streamfile(chan, "conf-now-unmuted", ast_channel_language(chan))) {
3051                                 ast_waitstream(chan, "");
3052                         }
3053                 } else {
3054                         conf->gmuted = 1;
3055                         ao2_callback(conf->usercontainer, OBJ_NODATA, user_set_muted_cb, &conf);
3056                         if (!ast_streamfile(chan, "conf-now-muted", ast_channel_language(chan))) {
3057                                 ast_waitstream(chan, "");
3058                         }
3059                 }
3060                 ast_stopstream(chan);
3061                 *menu_mode = MENU_DISABLED;
3062                 break;
3063
3064         case '4': /* *84 Record conference */
3065                 if (conf->recording != MEETME_RECORD_ACTIVE) {
3066                         ast_set_flag64(confflags, CONFFLAG_RECORDCONF);
3067                         if (!conf->recordingfilename) {
3068                                 const char *var;
3069                                 ast_channel_lock(chan);
3070                                 if ((var = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFILE"))) {
3071                                         conf->recordingfilename = ast_strdup(var);
3072                                 }
3073                                 if ((var = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFORMAT"))) {
3074                                         conf->recordingformat = ast_strdup(var);
3075                                 }
3076                                 ast_channel_unlock(chan);
3077                                 if (!conf->recordingfilename) {
3078                                         snprintf(recordingtmp, recordingtmp_size, "meetme-conf-rec-%s-%s", conf->confno, ast_channel_uniqueid(chan));
3079                                         conf->recordingfilename = ast_strdup(recordingtmp);
3080                                 }
3081                                 if (!conf->recordingformat) {
3082                                         conf->recordingformat = ast_strdup("wav");
3083                                 }
3084                                 ast_verb(4, "Starting recording of MeetMe Conference %s into file %s.%s.\n",
3085                                 conf->confno, conf->recordingfilename, conf->recordingformat);
3086                         }
3087
3088                         ast_mutex_lock(&conf->recordthreadlock);
3089                         if ((conf->recordthread == AST_PTHREADT_NULL) && ast_test_flag64(confflags, CONFFLAG_RECORDCONF) && ((conf->lchan = ast_request("DAHDI", cap_slin, NULL, chan, "pseudo", NULL)))) {
3090                                 struct dahdi_confinfo dahdic;
3091
3092                                 ast_set_read_format(conf->lchan, ast_format_slin);
3093                                 ast_set_write_format(conf->lchan, ast_format_slin);
3094                                 dahdic.chan = 0;
3095                                 dahdic.confno = conf->dahdiconf;
3096                                 dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
3097                                 if (ioctl(ast_channel_fd(conf->lchan, 0), DAHDI_SETCONF, &dahdic)) {
3098                                         ast_log(LOG_WARNING, "Error starting listen channel\n");
3099                                         ast_hangup(conf->lchan);
3100                                         conf->lchan = NULL;
3101                                 } else {
3102                                         ast_pthread_create_detached_background(&conf->recordthread, NULL, recordthread, conf);
3103                                 }
3104                         }
3105                         ast_mutex_unlock(&conf->recordthreadlock);
3106                         if (!ast_streamfile(chan, "conf-now-recording", ast_channel_language(chan))) {
3107                                 ast_waitstream(chan, "");
3108                         }
3109                 }
3110
3111                 ast_stopstream(chan);
3112                 *menu_mode = MENU_DISABLED;
3113                 break;
3114
3115         case '8': /* *88 Exit the menu and return to the conference... without an error message */
3116                 ast_stopstream(chan);
3117                 *menu_mode = MENU_DISABLED;
3118                 break;
3119
3120         default:
3121                 if (!ast_streamfile(chan, "conf-errormenu", ast_channel_language(chan))) {
3122                         ast_waitstream(chan, "");
3123                 }
3124                 ast_stopstream(chan);
3125                 *menu_mode = MENU_DISABLED;
3126                 break;
3127         }
3128 }
3129
3130 /*! \internal
3131  * \brief Processes menu options for the various menu types (accessible through the 's' option for app_meetme)
3132  *
3133  * \param menu_mode a pointer to the currently active menu_mode.
3134  * \param dtmf a pointer to the dtmf value currently being processed against the menu.
3135  * \param conf the active conference for which the user has called the menu from.
3136  * \param confflags flags used by conf for various options
3137  * \param chan ast_channel belonging to the user who called the menu
3138  * \param user which meetme conference user invoked the menu
3139  * \param recordingtmp character buffer which may hold the name of the conference recording file
3140  */
3141 static void meetme_menu(enum menu_modes *menu_mode, int *dtmf,
3142         struct ast_conference *conf, struct ast_flags64 *confflags, struct ast_channel *chan,
3143         struct ast_conf_user *user, char *recordingtmp, int recordingtmp_size,
3144         struct ast_format_cap *cap_slin)
3145 {
3146         switch (*menu_mode) {
3147         case MENU_DISABLED:
3148                 break;
3149         case MENU_NORMAL:
3150                 meetme_menu_normal(menu_mode, dtmf, conf, confflags, chan, user);
3151                 break;
3152         case MENU_ADMIN:
3153                 meetme_menu_admin(menu_mode, dtmf, conf, confflags, chan, user);
3154                 /* Admin Menu is capable of branching into another menu, in which case it will reset dtmf and change the menu mode. */
3155                 if (*menu_mode != MENU_ADMIN_EXTENDED || (*dtmf <= 0)) {
3156                         break;
3157                 }
3158         case MENU_ADMIN_EXTENDED:
3159                 meetme_menu_admin_extended(menu_mode, dtmf, conf, confflags, chan, user,
3160                         recordingtmp, recordingtmp_size, cap_slin);
3161                 break;
3162         }
3163 }
3164
3165 static int conf_run(struct ast_channel *chan, struct ast_conference *conf, struct ast_flags64 *confflags, char *optargs[])
3166 {
3167         struct ast_conf_user *user = NULL;
3168         int fd;
3169         struct dahdi_confinfo dahdic, dahdic_empty;
3170         struct ast_frame *f;
3171         struct ast_channel *c;
3172         struct ast_frame fr;
3173         int outfd;
3174         int ms;
3175         int nfds;
3176         int res;
3177         int retrydahdi;
3178         int origfd;
3179         int musiconhold = 0, mohtempstopped = 0;
3180         int firstpass = 0;
3181         int lastmarked = 0;
3182         int currentmarked = 0;
3183         int ret = -1;
3184         int x;
3185         enum menu_modes menu_mode = MENU_DISABLED;
3186         int talkreq_manager = 0;
3187         int using_pseudo = 0;
3188         int duration = 20;
3189         int sent_event = 0;
3190         int checked = 0;
3191         int announcement_played = 0;
3192         struct timeval now;
3193         struct ast_dsp *dsp = NULL;
3194         struct ast_app *agi_app;
3195         char *agifile, *mod_speex;
3196         const char *agifiledefault = "conf-background.agi", *tmpvar;
3197         char meetmesecs[30] = "";
3198         char exitcontext[AST_MAX_CONTEXT] = "";
3199         char recordingtmp[AST_MAX_EXTENSION] = "";
3200         char members[10] = "";
3201         int dtmf = 0, opt_waitmarked_timeout = 0;
3202         time_t timeout = 0;
3203         struct dahdi_bufferinfo bi;
3204         char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
3205         char *buf = __buf + AST_FRIENDLY_OFFSET;
3206         char *exitkeys = NULL;
3207         unsigned int calldurationlimit = 0;
3208         long timelimit = 0;
3209         long play_warning = 0;
3210         long warning_freq = 0;
3211         const char *warning_sound = NULL;
3212         const char *end_sound = NULL;
3213         char *parse;
3214         long time_left_ms = 0;
3215         struct timeval nexteventts = { 0, };
3216         int to;
3217         int setusercount = 0;
3218         int confsilence = 0, totalsilence = 0;
3219         char *mailbox, *context;
3220         struct ast_format_cap *cap_slin = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
3221
3222         if (!cap_slin) {
3223                 goto conf_run_cleanup;
3224         }
3225         ast_format_cap_append(cap_slin, ast_format_slin, 0);
3226
3227         if (!(user = ao2_alloc(sizeof(*user), NULL))) {
3228                 goto conf_run_cleanup;
3229         }
3230
3231         /* Possible timeout waiting for marked user */
3232         if (ast_test_flag64(confflags, CONFFLAG_WAITMARKED) &&
3233                 !ast_strlen_zero(optargs[OPT_ARG_WAITMARKED]) &&
3234                 (sscanf(optargs[OPT_ARG_WAITMARKED], "%30d", &opt_waitmarked_timeout) == 1) &&
3235                 (opt_waitmarked_timeout > 0)) {
3236                 timeout = time(NULL) + opt_waitmarked_timeout;
3237         }
3238
3239         if (ast_test_flag64(confflags, CONFFLAG_DURATION_STOP) && !ast_strlen_zero(optargs[OPT_ARG_DURATION_STOP])) {
3240                 calldurationlimit = atoi(optargs[OPT_ARG_DURATION_STOP]);
3241                 ast_verb(3, "Setting call duration limit to %d seconds.\n", calldurationlimit);
3242         }
3243
3244         if (ast_test_flag64(confflags, CONFFLAG_DURATION_LIMIT) && !ast_strlen_zero(optargs[OPT_ARG_DURATION_LIMIT])) {
3245                 char *limit_str, *warning_str, *warnfreq_str;
3246                 const char *var;
3247
3248                 parse = optargs[OPT_ARG_DURATION_LIMIT];
3249                 limit_str = strsep(&parse, ":");
3250                 warning_str = strsep(&parse, ":");
3251                 warnfreq_str = parse;
3252
3253                 timelimit = atol(limit_str);
3254                 if (warning_str)
3255                         play_warning = atol(warning_str);
3256                 if (warnfreq_str)
3257                         warning_freq = atol(warnfreq_str);
3258
3259                 if (!timelimit) {
3260                         timelimit = play_warning = warning_freq = 0;
3261                         warning_sound = NULL;
3262                 } else if (play_warning > timelimit) {
3263                         if (!warning_freq) {
3264                                 play_warning = 0;
3265                         } else {
3266                                 while (play_warning > timelimit)
3267                                         play_warning -= warning_freq;
3268                                 if (play_warning < 1)
3269                                         play_warning = warning_freq = 0;
3270                         }
3271                 }
3272
3273                 ast_verb(3, "Setting conference duration limit to: %ldms.\n", timelimit);
3274                 if (play_warning) {
3275                         ast_verb(3, "Setting warning time to %ldms from the conference duration limit.\n", play_warning);
3276                 }
3277                 if (warning_freq) {
3278                         ast_verb(3, "Setting warning frequency to %ldms.\n", warning_freq);
3279                 }
3280
3281                 ast_channel_lock(chan);
3282                 if ((var = pbx_builtin_getvar_helper(chan, "CONF_LIMIT_WARNING_FILE"))) {
3283                         var = ast_strdupa(var);
3284                 }
3285                 ast_channel_unlock(chan);
3286
3287                 warning_sound = var ? var : "timeleft";
3288
3289                 ast_channel_lock(chan);
3290                 if ((var = pbx_builtin_getvar_helper(chan, "CONF_LIMIT_TIMEOUT_FILE"))) {
3291                         var = ast_strdupa(var);
3292                 }
3293                 ast_channel_unlock(chan);
3294
3295                 end_sound = var ? var : NULL;
3296
3297                 /* undo effect of S(x) in case they are both used */
3298                 calldurationlimit = 0;
3299                 /* more efficient do it like S(x) does since no advanced opts */
3300                 if (!play_warning && !end_sound && timelimit) {
3301                         calldurationlimit = timelimit / 1000;
3302                         timelimit = play_warning = warning_freq = 0;
3303                 } else {
3304                         ast_debug(2, "Limit Data for this call:\n");
3305                         ast_debug(2, "- timelimit     = %ld\n", timelimit);
3306                         ast_debug(2, "- play_warning  = %ld\n", play_warning);
3307                         ast_debug(2, "- warning_freq  = %ld\n", warning_freq);
3308                         ast_debug(2, "- warning_sound = %s\n", warning_sound ? warning_sound : "UNDEF");
3309                         ast_debug(2, "- end_sound     = %s\n", end_sound ? end_sound : "UNDEF");
3310                 }
3311         }
3312
3313         /* Get exit keys */
3314         if (ast_test_flag64(confflags, CONFFLAG_KEYEXIT)) {
3315                 if (!ast_strlen_zero(optargs[OPT_ARG_EXITKEYS]))
3316                         exitkeys = ast_strdupa(optargs[OPT_ARG_EXITKEYS]);
3317                 else
3318                         exitkeys = ast_strdupa("#"); /* Default */
3319         }
3320         
3321         if (ast_test_flag64(confflags, CONFFLAG_RECORDCONF)) {
3322                 if (!conf->recordingfilename) {
3323                         const char *var;
3324                         ast_channel_lock(chan);
3325                         if ((var = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFILE"))) {
3326                                 conf->recordingfilename = ast_strdup(var);
3327                         }
3328                         if ((var = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFORMAT"))) {
3329                                 conf->recordingformat = ast_strdup(var);
3330                         }
3331                         ast_channel_unlock(chan);
3332                         if (!conf->recordingfilename) {
3333                                 snprintf(recordingtmp, sizeof(recordingtmp), "meetme-conf-rec-%s-%s", conf->confno, ast_channel_uniqueid(chan));
3334                                 conf->recordingfilename = ast_strdup(recordingtmp);
3335                         }
3336                         if (!conf->recordingformat) {
3337                                 conf->recordingformat = ast_strdup("wav");
3338                         }
3339                         ast_verb(4, "Starting recording of MeetMe Conference %s into file %s.%s.\n",
3340                                     conf->confno, conf->recordingfilename, conf->recordingformat);
3341                 }
3342         }
3343
3344         ast_mutex_lock(&conf->recordthreadlock);
3345         if ((conf->recordthread == AST_PTHREADT_NULL) && ast_test_flag64(confflags, CONFFLAG_RECORDCONF) &&
3346                 ((conf->lchan = ast_request("DAHDI", cap_slin, NULL, chan, "pseudo", NULL)))) {
3347                 ast_set_read_format(conf->lchan, ast_format_slin);
3348                 ast_set_write_format(conf->lchan, ast_format_slin);
3349                 dahdic.chan = 0;
3350                 dahdic.confno = conf->dahdiconf;
3351                 dahdic.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
3352                 if (ioctl(ast_channel_fd(conf->lchan, 0), DAHDI_SETCONF, &dahdic)) {
3353                         ast_log(LOG_WARNING, "Error starting listen channel\n");