2 * Asterisk -- An open source telephony toolkit.
4 * Copyright (C) 1999 - 2008, Digium, Inc.
6 * Mark Spencer <markster@digium.com>
8 * See http://www.asterisk.org for more information about
9 * the Asterisk project. Please do not directly contact
10 * any of the maintainers of this project for assistance;
11 * the project provides a web site, mailing lists and IRC
12 * channels for your use.
14 * This program is free software, distributed under the terms of
15 * the GNU General Public License Version 2. See the LICENSE file
16 * at the top of the source tree.
21 * \brief DAHDI for Pseudo TDM
23 * \author Mark Spencer <markster@digium.com>
25 * Connects to the DAHDI telephony library as well as
26 * libpri. Libpri is optional and needed only if you are
27 * going to use ISDN connections.
29 * You need to install libraries before you attempt to compile
30 * and install the DAHDI channel.
32 * \ingroup channel_drivers
34 * \todo Deprecate the "musiconhold" configuration option post 1.4
37 /*! \li \ref chan_dahdi.c uses the configuration file \ref chan_dahdi.conf
38 * \addtogroup configuration_file
41 /*! \page chan_dahdi.conf chan_dahdi.conf
42 * \verbinclude chan_dahdi.conf.sample
46 <use type="module">res_smdi</use>
47 <depend>dahdi</depend>
48 <depend>tonezone</depend>
49 <use type="external">pri</use>
50 <use type="external">ss7</use>
51 <use type="external">openr2</use>
52 <support_level>core</support_level>
57 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
59 #if defined(__NetBSD__) || defined(__FreeBSD__)
63 #include <sys/signal.h>
68 #include "sig_analog.h"
69 /* Analog signaling is currently still present in chan_dahdi for use with
70 * radio. Sig_analog does not currently handle any radio operations. If
71 * radio only uses analog signaling, then the radio handling logic could
72 * be placed in sig_analog and the duplicated code could be removed.
78 #error "Upgrade your libpri"
80 #endif /* defined(HAVE_PRI) */
84 #if !defined(LIBSS7_ABI_COMPATIBILITY)
85 #error "Upgrade your libss7"
86 #elif LIBSS7_ABI_COMPATIBILITY != 2
87 #error "Your installed libss7 is not compatible"
89 #endif /* defined(HAVE_SS7) */
91 #if defined(HAVE_OPENR2)
92 /* put this here until sig_mfcr2 comes along */
93 #define SIG_MFCR2_MAX_CHANNELS 672 /*!< No more than a DS3 per trunk group */
94 #endif /* defined(HAVE_OPENR2) */
96 #include "asterisk/lock.h"
97 #include "asterisk/channel.h"
98 #include "asterisk/config.h"
99 #include "asterisk/module.h"
100 #include "asterisk/pbx.h"
101 #include "asterisk/file.h"
102 #include "asterisk/ulaw.h"
103 #include "asterisk/alaw.h"
104 #include "asterisk/callerid.h"
105 #include "asterisk/adsi.h"
106 #include "asterisk/cli.h"
107 #include "asterisk/pickup.h"
108 #include "asterisk/features.h"
109 #include "asterisk/musiconhold.h"
110 #include "asterisk/say.h"
111 #include "asterisk/tdd.h"
112 #include "asterisk/app.h"
113 #include "asterisk/dsp.h"
114 #include "asterisk/astdb.h"
115 #include "asterisk/manager.h"
116 #include "asterisk/causes.h"
117 #include "asterisk/term.h"
118 #include "asterisk/utils.h"
119 #include "asterisk/transcap.h"
120 #include "asterisk/stringfields.h"
121 #include "asterisk/abstract_jb.h"
122 #include "asterisk/smdi.h"
123 #include "asterisk/astobj.h"
124 #include "asterisk/devicestate.h"
125 #include "asterisk/paths.h"
126 #include "asterisk/ccss.h"
127 #include "asterisk/data.h"
128 #include "asterisk/features_config.h"
129 #include "asterisk/bridge.h"
130 #include "asterisk/stasis_channels.h"
131 #include "asterisk/parking.h"
132 #include "asterisk/format_cache.h"
133 #include "chan_dahdi.h"
134 #include "dahdi/bridge_native_dahdi.h"
137 <application name="DAHDISendKeypadFacility" language="en_US">
139 Send digits out of band over a PRI.
142 <parameter name="digits" required="true" />
145 <para>This application will send the given string of digits in a Keypad
146 Facility IE over the current channel.</para>
149 <application name="DAHDISendCallreroutingFacility" language="en_US">
151 Send an ISDN call rerouting/deflection facility message.
154 <parameter name="destination" required="true">
155 <para>Destination number.</para>
157 <parameter name="original">
158 <para>Original called number.</para>
160 <parameter name="reason">
161 <para>Diversion reason, if not specified defaults to <literal>unknown</literal></para>
165 <para>This application will send an ISDN switch specific call
166 rerouting/deflection facility message over the current channel.
167 Supported switches depend upon the version of libpri in use.</para>
170 <application name="DAHDIAcceptR2Call" language="en_US">
172 Accept an R2 call if its not already accepted (you still need to answer it)
175 <parameter name="charge" required="true">
176 <para>Yes or No.</para>
177 <para>Whether you want to accept the call with charge or without charge.</para>
181 <para>This application will Accept the R2 call either with charge or no charge.</para>
184 <manager name="DAHDITransfer" language="en_US">
186 Transfer DAHDI Channel.
189 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
190 <parameter name="DAHDIChannel" required="true">
191 <para>DAHDI channel number to transfer.</para>
195 <para>Simulate a flash hook event by the user connected to the channel.</para>
196 <note><para>Valid only for analog channels.</para></note>
199 <manager name="DAHDIHangup" language="en_US">
201 Hangup DAHDI Channel.
204 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
205 <parameter name="DAHDIChannel" required="true">
206 <para>DAHDI channel number to hangup.</para>
210 <para>Simulate an on-hook event by the user connected to the channel.</para>
211 <note><para>Valid only for analog channels.</para></note>
214 <manager name="DAHDIDialOffhook" language="en_US">
216 Dial over DAHDI channel while offhook.
219 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
220 <parameter name="DAHDIChannel" required="true">
221 <para>DAHDI channel number to dial digits.</para>
223 <parameter name="Number" required="true">
224 <para>Digits to dial.</para>
228 <para>Generate DTMF control frames to the bridged peer.</para>
231 <manager name="DAHDIDNDon" language="en_US">
233 Toggle DAHDI channel Do Not Disturb status ON.
236 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
237 <parameter name="DAHDIChannel" required="true">
238 <para>DAHDI channel number to set DND on.</para>
242 <para>Equivalent to the CLI command "dahdi set dnd <variable>channel</variable> on".</para>
243 <note><para>Feature only supported by analog channels.</para></note>
246 <manager name="DAHDIDNDoff" language="en_US">
248 Toggle DAHDI channel Do Not Disturb status OFF.
251 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
252 <parameter name="DAHDIChannel" required="true">
253 <para>DAHDI channel number to set DND off.</para>
257 <para>Equivalent to the CLI command "dahdi set dnd <variable>channel</variable> off".</para>
258 <note><para>Feature only supported by analog channels.</para></note>
261 <manager name="DAHDIShowChannels" language="en_US">
263 Show status of DAHDI channels.
266 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
267 <parameter name="DAHDIChannel">
268 <para>Specify the specific channel number to show. Show all channels if zero or not present.</para>
272 <para>Similar to the CLI command "dahdi show channels".</para>
275 <manager name="DAHDIRestart" language="en_US">
277 Fully Restart DAHDI channels (terminates calls).
280 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
283 <para>Equivalent to the CLI command "dahdi restart".</para>
286 <manager name="PRIShowSpans" language="en_US">
288 Show status of PRI spans.
291 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
292 <parameter name="Span">
293 <para>Specify the specific span to show. Show all spans if zero or not present.</para>
297 <para>Similar to the CLI command "pri show spans".</para>
300 <manager name="PRIDebugSet" language="en_US">
302 Set PRI debug levels for a span
305 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
306 <parameter name="Span" required="true">
307 <para>Which span to affect.</para>
309 <parameter name="Level" required="true">
310 <para>What debug level to set. May be a numerical value or a text value from the list below</para>
315 <enum name="intense" />
320 <para>Equivalent to the CLI command "pri set debug <level> span <span>".</para>
323 <manager name="PRIDebugFileSet" language="en_US">
325 Set the file used for PRI debug message output
328 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
329 <parameter name="File" required="true">
330 <para>Path of file to write debug output.</para>
334 <para>Equivalent to the CLI command "pri set debug file <output-file>"</para>
337 <manager name="PRIDebugFileUnset" language="en_US">
339 Disables file output for PRI debug messages
342 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
345 <managerEvent language="en_US" name="AlarmClear">
346 <managerEventInstance class="EVENT_FLAG_SYSTEM">
347 <synopsis>Raised when an alarm is cleared on a DAHDI channel.</synopsis>
349 <parameter name="DAHDIChannel">
350 <para>The DAHDI channel on which the alarm was cleared.</para>
351 <note><para>This is not an Asterisk channel identifier.</para></note>
354 </managerEventInstance>
356 <managerEvent language="en_US" name="SpanAlarmClear">
357 <managerEventInstance class="EVENT_FLAG_SYSTEM">
358 <synopsis>Raised when an alarm is cleared on a DAHDI span.</synopsis>
360 <parameter name="Span">
361 <para>The span on which the alarm was cleared.</para>
364 </managerEventInstance>
366 <managerEvent language="en_US" name="DNDState">
367 <managerEventInstance class="EVENT_FLAG_SYSTEM">
368 <synopsis>Raised when the Do Not Disturb state is changed on a DAHDI channel.</synopsis>
370 <parameter name="DAHDIChannel">
371 <para>The DAHDI channel on which DND status changed.</para>
372 <note><para>This is not an Asterisk channel identifier.</para></note>
374 <parameter name="Status">
376 <enum name="enabled"/>
377 <enum name="disabled"/>
381 </managerEventInstance>
383 <managerEvent language="en_US" name="Alarm">
384 <managerEventInstance class="EVENT_FLAG_SYSTEM">
385 <synopsis>Raised when an alarm is set on a DAHDI channel.</synopsis>
387 <parameter name="DAHDIChannel">
388 <para>The channel on which the alarm occurred.</para>
389 <note><para>This is not an Asterisk channel identifier.</para></note>
391 <parameter name="Alarm">
392 <para>A textual description of the alarm that occurred.</para>
395 </managerEventInstance>
397 <managerEvent language="en_US" name="SpanAlarm">
398 <managerEventInstance class="EVENT_FLAG_SYSTEM">
399 <synopsis>Raised when an alarm is set on a DAHDI span.</synopsis>
401 <parameter name="Span">
402 <para>The span on which the alarm occurred.</para>
404 <parameter name="Alarm">
405 <para>A textual description of the alarm that occurred.</para>
408 </managerEventInstance>
410 <managerEvent language="en_US" name="DAHDIChannel">
411 <managerEventInstance class="EVENT_FLAG_CALL">
412 <synopsis>Raised when a DAHDI channel is created or an underlying technology is associated with a DAHDI channel.</synopsis>
415 <parameter name="DAHDISpan">
416 <para>The DAHDI span associated with this channel.</para>
418 <parameter name="DAHDIChannel">
419 <para>The DAHDI channel associated with this channel.</para>
422 </managerEventInstance>
426 #define SMDI_MD_WAIT_TIMEOUT 1500 /* 1.5 seconds */
428 static const char * const lbostr[] = {
429 "0 db (CSU)/0-133 feet (DSX-1)",
430 "133-266 feet (DSX-1)",
431 "266-399 feet (DSX-1)",
432 "399-533 feet (DSX-1)",
433 "533-655 feet (DSX-1)",
439 /*! Global jitterbuffer configuration - by default, jb is disabled
440 * \note Values shown here match the defaults shown in chan_dahdi.conf.sample */
441 static struct ast_jb_conf default_jbconf =
445 .resync_threshold = 1000,
449 static struct ast_jb_conf global_jbconf;
452 * \note Define ZHONE_HACK to cause us to go off hook and then back on hook when
453 * the user hangs up to reset the state machine so ring works properly.
454 * This is used to be able to support kewlstart by putting the zhone in
455 * groundstart mode since their forward disconnect supervision is entirely
456 * broken even though their documentation says it isn't and their support
457 * is entirely unwilling to provide any assistance with their channel banks
458 * even though their web site says they support their products for life.
460 /* #define ZHONE_HACK */
462 /*! \brief Typically, how many rings before we should send Caller*ID */
463 #define DEFAULT_CIDRINGS 1
465 #define AST_LAW(p) (((p)->law == DAHDI_LAW_ALAW) ? ast_format_alaw : ast_format_ulaw)
468 /*! \brief Signaling types that need to use MF detection should be placed in this macro */
469 #define NEED_MFDETECT(p) (((p)->sig == SIG_FEATDMF) || ((p)->sig == SIG_FEATDMF_TA) || ((p)->sig == SIG_E911) || ((p)->sig == SIG_FGC_CAMA) || ((p)->sig == SIG_FGC_CAMAMF) || ((p)->sig == SIG_FEATB))
471 static const char tdesc[] = "DAHDI Telephony"
472 #if defined(HAVE_PRI) || defined(HAVE_SS7) || defined(HAVE_OPENR2)
474 #if defined(HAVE_PRI)
476 #endif /* defined(HAVE_PRI) */
477 #if defined(HAVE_SS7)
478 #if defined(HAVE_PRI)
480 #endif /* defined(HAVE_PRI) */
482 #endif /* defined(HAVE_SS7) */
483 #if defined(HAVE_OPENR2)
484 #if defined(HAVE_PRI) || defined(HAVE_SS7)
486 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
488 #endif /* defined(HAVE_OPENR2) */
489 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) || defined(HAVE_OPENR2) */
492 static const char config[] = "chan_dahdi.conf";
495 #define NUM_SPANS DAHDI_MAX_SPANS
500 #define CHAN_PSEUDO -2
502 #define CALLPROGRESS_PROGRESS 1
503 #define CALLPROGRESS_FAX_OUTGOING 2
504 #define CALLPROGRESS_FAX_INCOMING 4
505 #define CALLPROGRESS_FAX (CALLPROGRESS_FAX_INCOMING | CALLPROGRESS_FAX_OUTGOING)
507 #define NUM_CADENCE_MAX 25
508 static int num_cadence = 4;
509 static int user_has_defined_cadences = 0;
511 static int has_pseudo;
513 static struct dahdi_ring_cadence cadences[NUM_CADENCE_MAX] = {
514 { { 125, 125, 2000, 4000 } }, /*!< Quick chirp followed by normal ring */
515 { { 250, 250, 500, 1000, 250, 250, 500, 4000 } }, /*!< British style ring */
516 { { 125, 125, 125, 125, 125, 4000 } }, /*!< Three short bursts */
517 { { 1000, 500, 2500, 5000 } }, /*!< Long ring */
520 /*! \brief cidrings says in which pause to transmit the cid information, where the first pause
521 * is 1, the second pause is 2 and so on.
524 static int cidrings[NUM_CADENCE_MAX] = {
525 2, /*!< Right after first long ring */
526 4, /*!< Right after long part */
527 3, /*!< After third chirp */
528 2, /*!< Second spell */
531 /* ETSI EN300 659-1 specifies the ring pulse between 200 and 300 mS */
532 static struct dahdi_ring_cadence AS_RP_cadence = {{250, 10000}};
534 #define ISTRUNK(p) ((p->sig == SIG_FXSLS) || (p->sig == SIG_FXSKS) || \
535 (p->sig == SIG_FXSGS) || (p->sig == SIG_PRI))
537 #define CANBUSYDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */)
538 #define CANPROGRESSDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */)
540 static char defaultcic[64] = "";
541 static char defaultozz[64] = "";
543 /*! Run this script when the MWI state changes on an FXO line, if mwimonitor is enabled */
544 static char mwimonitornotify[PATH_MAX] = "";
545 #ifndef HAVE_DAHDI_LINEREVERSE_VMWI
546 static int mwisend_rpas = 0;
549 static char progzone[10] = "";
551 static int usedistinctiveringdetection = 0;
552 static int distinctiveringaftercid = 0;
554 static int numbufs = 4;
556 static int mwilevel = 512;
557 static int dtmfcid_level = 256;
559 #define REPORT_CHANNEL_ALARMS 1
560 #define REPORT_SPAN_ALARMS 2
561 static int report_alarms = REPORT_CHANNEL_ALARMS;
564 static int pridebugfd = -1;
565 static char pridebugfilename[1024] = "";
568 /*! \brief Wait up to 16 seconds for first digit (FXO logic) */
569 static int firstdigittimeout = 16000;
571 /*! \brief How long to wait for following digits (FXO logic) */
572 static int gendigittimeout = 8000;
574 /*! \brief How long to wait for an extra digit, if there is an ambiguous match */
575 static int matchdigittimeout = 3000;
577 /*! \brief Protect the interface list (of dahdi_pvt's) */
578 AST_MUTEX_DEFINE_STATIC(iflock);
581 static int ifcount = 0;
584 AST_MUTEX_DEFINE_STATIC(pridebugfdlock);
587 /*! \brief Protect the monitoring thread, so only one process can kill or start it, and not
588 when it's doing something critical. */
589 AST_MUTEX_DEFINE_STATIC(monlock);
591 /*! \brief This is the thread for the monitor which checks for input on the channels
592 which are not currently in use. */
593 static pthread_t monitor_thread = AST_PTHREADT_NULL;
594 static ast_cond_t ss_thread_complete;
595 AST_MUTEX_DEFINE_STATIC(ss_thread_lock);
596 AST_MUTEX_DEFINE_STATIC(restart_lock);
597 static int ss_thread_count = 0;
598 static int num_restart_pending = 0;
600 static int restart_monitor(void);
602 static int dahdi_sendtext(struct ast_channel *c, const char *text);
604 static void mwi_event_cb(void *userdata, struct stasis_subscription *sub, struct stasis_message *msg)
606 /* This module does not handle MWI in an event-based manner. However, it
607 * subscribes to MWI for each mailbox that is configured so that the core
608 * knows that we care about it. Then, chan_dahdi will get the MWI from the
609 * event cache instead of checking the mailbox directly. */
612 /*! \brief Avoid the silly dahdi_getevent which ignores a bunch of events */
613 static inline int dahdi_get_event(int fd)
616 if (ioctl(fd, DAHDI_GETEVENT, &j) == -1)
621 /*! \brief Avoid the silly dahdi_waitevent which ignores a bunch of events */
622 static inline int dahdi_wait_event(int fd)
625 i = DAHDI_IOMUX_SIGEVENT;
626 if (ioctl(fd, DAHDI_IOMUX, &i) == -1)
628 if (ioctl(fd, DAHDI_GETEVENT, &j) == -1)
633 /*! Chunk size to read -- we use 20ms chunks to make things happy. */
634 #define READ_SIZE 160
636 #define MASK_AVAIL (1 << 0) /*!< Channel available for PRI use */
637 #define MASK_INUSE (1 << 1) /*!< Channel currently in use */
639 #define CALLWAITING_SILENT_SAMPLES ((300 * 8) / READ_SIZE) /*!< 300 ms */
640 #define CALLWAITING_REPEAT_SAMPLES ((10000 * 8) / READ_SIZE) /*!< 10,000 ms */
641 #define CALLWAITING_SUPPRESS_SAMPLES ((100 * 8) / READ_SIZE) /*!< 100 ms */
642 #define CIDCW_EXPIRE_SAMPLES ((500 * 8) / READ_SIZE) /*!< 500 ms */
643 #define MIN_MS_SINCE_FLASH ((2000) ) /*!< 2000 ms */
644 #define DEFAULT_RINGT ((8000 * 8) / READ_SIZE) /*!< 8,000 ms */
645 #define DEFAULT_DIALTONE_DETECT_TIMEOUT ((10000 * 8) / READ_SIZE) /*!< 10,000 ms */
648 * \brief Configured ring timeout base.
649 * \note Value computed from "ringtimeout" read in from chan_dahdi.conf if it exists.
651 static int ringt_base = DEFAULT_RINGT;
653 #if defined(HAVE_SS7)
656 struct sig_ss7_linkset ss7;
659 static struct dahdi_ss7 linksets[NUM_SPANS];
661 static int cur_ss7type = -1;
662 static int cur_slc = -1;
663 static int cur_linkset = -1;
664 static int cur_pointcode = -1;
665 static int cur_cicbeginswith = -1;
666 static int cur_adjpointcode = -1;
667 static int cur_networkindicator = -1;
668 static int cur_defaultdpc = -1;
669 #endif /* defined(HAVE_SS7) */
672 struct dahdi_mfcr2_conf {
673 openr2_variant_t variant;
675 int metering_pulse_timeout;
678 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
682 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 3
683 int dtmf_end_timeout;
685 signed int get_ani_first:2;
686 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 1
687 signed int skip_category_request:2;
689 unsigned int call_files:1;
690 unsigned int allow_collect_calls:1;
691 unsigned int charge_calls:1;
692 unsigned int accept_on_offer:1;
693 unsigned int forced_release:1;
694 unsigned int double_answer:1;
695 signed int immediate_accept:2;
696 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
697 signed int dtmf_dialing:2;
698 signed int dtmf_detection:2;
700 char logdir[OR2_MAX_PATH];
701 char r2proto_file[OR2_MAX_PATH];
702 openr2_log_level_t loglevel;
703 openr2_calling_party_category_t category;
706 /* MFC-R2 pseudo-link structure */
708 pthread_t r2master; /*!< Thread of master */
709 openr2_context_t *protocol_context; /*!< OpenR2 context handle */
710 struct dahdi_pvt *pvts[SIG_MFCR2_MAX_CHANNELS]; /*!< Member channel pvt structs */
711 int numchans; /*!< Number of channels in this R2 block */
712 struct dahdi_mfcr2_conf conf; /*!< Configuration used to setup this pseudo-link */
715 /* malloc'd array of malloc'd r2links */
716 static struct dahdi_mfcr2 **r2links;
717 /* how many r2links have been malloc'd */
718 static int r2links_count = 0;
720 #endif /* HAVE_OPENR2 */
725 int dchannels[SIG_PRI_NUM_DCHANS]; /*!< What channel are the dchannels on */
726 int mastertrunkgroup; /*!< What trunk group is our master */
727 int prilogicalspan; /*!< Logical span number within trunk group */
728 struct sig_pri_span pri;
731 static struct dahdi_pri pris[NUM_SPANS];
733 #if defined(HAVE_PRI_CCSS)
734 /*! DAHDI PRI CCSS agent and monitor type name. */
735 static const char dahdi_pri_cc_type[] = "DAHDI/PRI";
736 #endif /* defined(HAVE_PRI_CCSS) */
739 /*! Shut up the compiler */
743 /* Polarity states */
744 #define POLARITY_IDLE 0
745 #define POLARITY_REV 1
747 const char * const subnames[] = {
753 #define DATA_EXPORT_DAHDI_PVT(MEMBER) \
754 MEMBER(dahdi_pvt, cid_rxgain, AST_DATA_DOUBLE) \
755 MEMBER(dahdi_pvt, rxgain, AST_DATA_DOUBLE) \
756 MEMBER(dahdi_pvt, txgain, AST_DATA_DOUBLE) \
757 MEMBER(dahdi_pvt, txdrc, AST_DATA_DOUBLE) \
758 MEMBER(dahdi_pvt, rxdrc, AST_DATA_DOUBLE) \
759 MEMBER(dahdi_pvt, adsi, AST_DATA_BOOLEAN) \
760 MEMBER(dahdi_pvt, answeronpolarityswitch, AST_DATA_BOOLEAN) \
761 MEMBER(dahdi_pvt, busydetect, AST_DATA_BOOLEAN) \
762 MEMBER(dahdi_pvt, callreturn, AST_DATA_BOOLEAN) \
763 MEMBER(dahdi_pvt, callwaiting, AST_DATA_BOOLEAN) \
764 MEMBER(dahdi_pvt, callwaitingcallerid, AST_DATA_BOOLEAN) \
765 MEMBER(dahdi_pvt, cancallforward, AST_DATA_BOOLEAN) \
766 MEMBER(dahdi_pvt, canpark, AST_DATA_BOOLEAN) \
767 MEMBER(dahdi_pvt, confirmanswer, AST_DATA_BOOLEAN) \
768 MEMBER(dahdi_pvt, destroy, AST_DATA_BOOLEAN) \
769 MEMBER(dahdi_pvt, didtdd, AST_DATA_BOOLEAN) \
770 MEMBER(dahdi_pvt, dialednone, AST_DATA_BOOLEAN) \
771 MEMBER(dahdi_pvt, dialing, AST_DATA_BOOLEAN) \
772 MEMBER(dahdi_pvt, digital, AST_DATA_BOOLEAN) \
773 MEMBER(dahdi_pvt, dnd, AST_DATA_BOOLEAN) \
774 MEMBER(dahdi_pvt, echobreak, AST_DATA_BOOLEAN) \
775 MEMBER(dahdi_pvt, echocanbridged, AST_DATA_BOOLEAN) \
776 MEMBER(dahdi_pvt, echocanon, AST_DATA_BOOLEAN) \
777 MEMBER(dahdi_pvt, faxhandled, AST_DATA_BOOLEAN) \
778 MEMBER(dahdi_pvt, usefaxbuffers, AST_DATA_BOOLEAN) \
779 MEMBER(dahdi_pvt, bufferoverrideinuse, AST_DATA_BOOLEAN) \
780 MEMBER(dahdi_pvt, firstradio, AST_DATA_BOOLEAN) \
781 MEMBER(dahdi_pvt, hanguponpolarityswitch, AST_DATA_BOOLEAN) \
782 MEMBER(dahdi_pvt, hardwaredtmf, AST_DATA_BOOLEAN) \
783 MEMBER(dahdi_pvt, hidecallerid, AST_DATA_BOOLEAN) \
784 MEMBER(dahdi_pvt, hidecalleridname, AST_DATA_BOOLEAN) \
785 MEMBER(dahdi_pvt, ignoredtmf, AST_DATA_BOOLEAN) \
786 MEMBER(dahdi_pvt, immediate, AST_DATA_BOOLEAN) \
787 MEMBER(dahdi_pvt, inalarm, AST_DATA_BOOLEAN) \
788 MEMBER(dahdi_pvt, mate, AST_DATA_BOOLEAN) \
789 MEMBER(dahdi_pvt, outgoing, AST_DATA_BOOLEAN) \
790 MEMBER(dahdi_pvt, permcallwaiting, AST_DATA_BOOLEAN) \
791 MEMBER(dahdi_pvt, priindication_oob, AST_DATA_BOOLEAN) \
792 MEMBER(dahdi_pvt, priexclusive, AST_DATA_BOOLEAN) \
793 MEMBER(dahdi_pvt, pulse, AST_DATA_BOOLEAN) \
794 MEMBER(dahdi_pvt, pulsedial, AST_DATA_BOOLEAN) \
795 MEMBER(dahdi_pvt, restartpending, AST_DATA_BOOLEAN) \
796 MEMBER(dahdi_pvt, restrictcid, AST_DATA_BOOLEAN) \
797 MEMBER(dahdi_pvt, threewaycalling, AST_DATA_BOOLEAN) \
798 MEMBER(dahdi_pvt, transfer, AST_DATA_BOOLEAN) \
799 MEMBER(dahdi_pvt, use_callerid, AST_DATA_BOOLEAN) \
800 MEMBER(dahdi_pvt, use_callingpres, AST_DATA_BOOLEAN) \
801 MEMBER(dahdi_pvt, usedistinctiveringdetection, AST_DATA_BOOLEAN) \
802 MEMBER(dahdi_pvt, dahditrcallerid, AST_DATA_BOOLEAN) \
803 MEMBER(dahdi_pvt, transfertobusy, AST_DATA_BOOLEAN) \
804 MEMBER(dahdi_pvt, mwimonitor_neon, AST_DATA_BOOLEAN) \
805 MEMBER(dahdi_pvt, mwimonitor_fsk, AST_DATA_BOOLEAN) \
806 MEMBER(dahdi_pvt, mwimonitor_rpas, AST_DATA_BOOLEAN) \
807 MEMBER(dahdi_pvt, mwimonitoractive, AST_DATA_BOOLEAN) \
808 MEMBER(dahdi_pvt, mwisendactive, AST_DATA_BOOLEAN) \
809 MEMBER(dahdi_pvt, inservice, AST_DATA_BOOLEAN) \
810 MEMBER(dahdi_pvt, locallyblocked, AST_DATA_UNSIGNED_INTEGER) \
811 MEMBER(dahdi_pvt, remotelyblocked, AST_DATA_UNSIGNED_INTEGER) \
812 MEMBER(dahdi_pvt, manages_span_alarms, AST_DATA_BOOLEAN) \
813 MEMBER(dahdi_pvt, use_smdi, AST_DATA_BOOLEAN) \
814 MEMBER(dahdi_pvt, context, AST_DATA_STRING) \
815 MEMBER(dahdi_pvt, defcontext, AST_DATA_STRING) \
816 MEMBER(dahdi_pvt, description, AST_DATA_STRING) \
817 MEMBER(dahdi_pvt, exten, AST_DATA_STRING) \
818 MEMBER(dahdi_pvt, language, AST_DATA_STRING) \
819 MEMBER(dahdi_pvt, mohinterpret, AST_DATA_STRING) \
820 MEMBER(dahdi_pvt, mohsuggest, AST_DATA_STRING) \
821 MEMBER(dahdi_pvt, parkinglot, AST_DATA_STRING)
823 AST_DATA_STRUCTURE(dahdi_pvt, DATA_EXPORT_DAHDI_PVT);
825 static struct dahdi_pvt *iflist = NULL; /*!< Main interface list start */
826 static struct dahdi_pvt *ifend = NULL; /*!< Main interface list end */
828 #if defined(HAVE_PRI)
830 struct sig_pri_span *pri;
831 AST_LIST_ENTRY(doomed_pri) list;
833 static AST_LIST_HEAD_STATIC(doomed_pris, doomed_pri);
835 static void pri_destroy_span(struct sig_pri_span *pri);
837 static struct dahdi_parms_pseudo {
838 int buf_no; /*!< Number of buffers */
839 int buf_policy; /*!< Buffer policy */
840 int faxbuf_no; /*!< Number of Fax buffers */
841 int faxbuf_policy; /*!< Fax buffer policy */
842 } dahdi_pseudo_parms;
843 #endif /* defined(HAVE_PRI) */
845 /*! \brief Channel configuration from chan_dahdi.conf .
846 * This struct is used for parsing the [channels] section of chan_dahdi.conf.
847 * Generally there is a field here for every possible configuration item.
849 * The state of fields is saved along the parsing and whenever a 'channel'
850 * statement is reached, the current dahdi_chan_conf is used to configure the
851 * channel (struct dahdi_pvt)
853 * \see dahdi_chan_init for the default values.
855 struct dahdi_chan_conf {
856 struct dahdi_pvt chan;
858 struct dahdi_pri pri;
861 #if defined(HAVE_SS7)
862 struct dahdi_ss7 ss7;
863 #endif /* defined(HAVE_SS7) */
866 struct dahdi_mfcr2_conf mfcr2;
868 struct dahdi_params timing;
869 int is_sig_auto; /*!< Use channel signalling from DAHDI? */
870 /*! Continue configuration even if a channel is not there. */
871 int ignore_failed_channels;
874 * \brief The serial port to listen for SMDI data on
875 * \note Set from the "smdiport" string read in from chan_dahdi.conf
877 char smdi_port[SMDI_MAX_FILENAME_LEN];
880 * \brief Don't create channels below this number
881 * \note by default is 0 (no limit)
883 int wanted_channels_start;
886 * \brief Don't create channels above this number (infinity by default)
887 * \note by default is 0 (special value that means "no limit").
889 int wanted_channels_end;
892 /*! returns a new dahdi_chan_conf with default values (by-value) */
893 static struct dahdi_chan_conf dahdi_chan_conf_default(void)
895 /* recall that if a field is not included here it is initialized
898 struct dahdi_chan_conf conf = {
902 .switchtype = PRI_SWITCH_NI2,
903 .dialplan = PRI_UNKNOWN + 1,
904 .localdialplan = PRI_NATIONAL_ISDN + 1,
906 .qsigchannelmapping = DAHDI_CHAN_MAPPING_PHYSICAL,
908 #if defined(HAVE_PRI_CCSS)
909 .cc_ptmp_recall_mode = 1,/* specificRecall */
910 .cc_qsig_signaling_link_req = 1,/* retain */
911 .cc_qsig_signaling_link_rsp = 1,/* retain */
912 #endif /* defined(HAVE_PRI_CCSS) */
917 .internationalprefix = "",
918 .nationalprefix = "",
922 .colp_send = SIG_PRI_COLP_UPDATE,
926 #if defined(HAVE_SS7)
928 .called_nai = SS7_NAI_NATIONAL,
929 .calling_nai = SS7_NAI_NATIONAL,
930 .internationalprefix = "",
931 .nationalprefix = "",
932 .subscriberprefix = "",
934 .networkroutedprefix = ""
936 #endif /* defined(HAVE_SS7) */
939 .variant = OR2_VAR_ITU,
940 .mfback_timeout = -1,
941 .metering_pulse_timeout = -1,
945 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 1
946 .skip_category_request = -1,
949 .allow_collect_calls = 0,
951 .accept_on_offer = 1,
954 .immediate_accept = -1,
955 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
957 .dtmf_detection = -1,
958 .dtmf_time_on = OR2_DEFAULT_DTMF_ON,
959 .dtmf_time_off = OR2_DEFAULT_DTMF_OFF,
961 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 3
962 .dtmf_end_timeout = -1,
966 .loglevel = OR2_LOG_ERROR | OR2_LOG_WARNING,
967 .category = OR2_CALLING_PARTY_CATEGORY_NATIONAL_SUBSCRIBER
971 .context = "default",
975 .mohinterpret = "default",
980 .cid_signalling = CID_SIG_BELL,
981 .cid_start = CID_START_RING,
982 .dahditrcallerid = 0,
991 .echocancel.head.tap_length = 1,
999 #ifdef HAVE_DAHDI_LINEREVERSE_VMWI
1002 .polarityonanswerdelay = 600,
1004 .sendcalleridafter = DEFAULT_CIDRINGS,
1006 .buf_policy = DAHDI_POLICY_IMMEDIATE,
1009 .cc_params = ast_cc_config_params_init(),
1022 .ignore_failed_channels = 1,
1023 .smdi_port = "/dev/ttyS0",
1030 static struct ast_channel *dahdi_request(const char *type, struct ast_format_cap *cap,
1031 const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor,
1032 const char *data, int *cause);
1033 static int dahdi_digit_begin(struct ast_channel *ast, char digit);
1034 static int dahdi_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
1035 static int dahdi_sendtext(struct ast_channel *c, const char *text);
1036 static int dahdi_call(struct ast_channel *ast, const char *rdest, int timeout);
1037 static int dahdi_hangup(struct ast_channel *ast);
1038 static int dahdi_answer(struct ast_channel *ast);
1039 static struct ast_frame *dahdi_read(struct ast_channel *ast);
1040 static int dahdi_write(struct ast_channel *ast, struct ast_frame *frame);
1041 static struct ast_frame *dahdi_exception(struct ast_channel *ast);
1042 static int dahdi_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
1043 static int dahdi_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1044 static int dahdi_setoption(struct ast_channel *chan, int option, void *data, int datalen);
1045 static int dahdi_queryoption(struct ast_channel *chan, int option, void *data, int *datalen);
1046 static int dahdi_func_read(struct ast_channel *chan, const char *function, char *data, char *buf, size_t len);
1047 static int dahdi_func_write(struct ast_channel *chan, const char *function, char *data, const char *value);
1048 static int dahdi_devicestate(const char *data);
1049 static int dahdi_cc_callback(struct ast_channel *inbound, const char *dest, ast_cc_callback_fn callback);
1051 static struct ast_channel_tech dahdi_tech = {
1053 .description = tdesc,
1054 .requester = dahdi_request,
1055 .send_digit_begin = dahdi_digit_begin,
1056 .send_digit_end = dahdi_digit_end,
1057 .send_text = dahdi_sendtext,
1059 .hangup = dahdi_hangup,
1060 .answer = dahdi_answer,
1062 .write = dahdi_write,
1063 .exception = dahdi_exception,
1064 .indicate = dahdi_indicate,
1065 .fixup = dahdi_fixup,
1066 .setoption = dahdi_setoption,
1067 .queryoption = dahdi_queryoption,
1068 .func_channel_read = dahdi_func_read,
1069 .func_channel_write = dahdi_func_write,
1070 .devicestate = dahdi_devicestate,
1071 .cc_callback = dahdi_cc_callback,
1074 #define GET_CHANNEL(p) ((p)->channel)
1076 static enum analog_sigtype dahdisig_to_analogsig(int sig)
1080 return ANALOG_SIG_FXOLS;
1082 return ANALOG_SIG_FXOGS;
1084 return ANALOG_SIG_FXOKS;
1086 return ANALOG_SIG_FXSLS;
1088 return ANALOG_SIG_FXSGS;
1090 return ANALOG_SIG_FXSKS;
1092 return ANALOG_SIG_EMWINK;
1094 return ANALOG_SIG_EM;
1096 return ANALOG_SIG_EM_E1;
1098 return ANALOG_SIG_FEATD;
1100 return ANALOG_SIG_FEATDMF;
1104 return ANALOG_SIG_FGC_CAMA;
1105 case SIG_FGC_CAMAMF:
1106 return ANALOG_SIG_FGC_CAMAMF;
1108 return ANALOG_SIG_FEATB;
1110 return ANALOG_SIG_SFWINK;
1112 return ANALOG_SIG_SF;
1114 return ANALOG_SIG_SF_FEATD;
1115 case SIG_SF_FEATDMF:
1116 return ANALOG_SIG_SF_FEATDMF;
1117 case SIG_FEATDMF_TA:
1118 return ANALOG_SIG_FEATDMF_TA;
1120 return ANALOG_SIG_FEATB;
1127 static int analog_tone_to_dahditone(enum analog_tone tone)
1130 case ANALOG_TONE_RINGTONE:
1131 return DAHDI_TONE_RINGTONE;
1132 case ANALOG_TONE_STUTTER:
1133 return DAHDI_TONE_STUTTER;
1134 case ANALOG_TONE_CONGESTION:
1135 return DAHDI_TONE_CONGESTION;
1136 case ANALOG_TONE_DIALTONE:
1137 return DAHDI_TONE_DIALTONE;
1138 case ANALOG_TONE_DIALRECALL:
1139 return DAHDI_TONE_DIALRECALL;
1140 case ANALOG_TONE_INFO:
1141 return DAHDI_TONE_INFO;
1147 static int analogsub_to_dahdisub(enum analog_sub analogsub)
1151 switch (analogsub) {
1152 case ANALOG_SUB_REAL:
1155 case ANALOG_SUB_CALLWAIT:
1156 index = SUB_CALLWAIT;
1158 case ANALOG_SUB_THREEWAY:
1159 index = SUB_THREEWAY;
1162 ast_log(LOG_ERROR, "Unidentified sub!\n");
1171 * \brief release all members on the doomed pris list
1174 * Called priodically by the monitor threads to release spans marked for
1177 static void release_doomed_pris(void)
1180 struct doomed_pri *entry;
1182 AST_LIST_LOCK(&doomed_pris);
1183 while ((entry = AST_LIST_REMOVE_HEAD(&doomed_pris, list))) {
1184 /* The span destruction must be done with this lock not held */
1185 AST_LIST_UNLOCK(&doomed_pris);
1186 ast_debug(4, "Destroying span %d from doomed queue.\n",
1188 pri_destroy_span(entry->pri);
1190 AST_LIST_LOCK(&doomed_pris);
1192 AST_LIST_UNLOCK(&doomed_pris);
1198 * \brief Queue a span for destruction
1201 * \param pri the span to destroy
1203 * Add a span to the list of spans to be destroyed later on
1204 * by the monitor thread. Allows destroying a span while holding its
1207 static void pri_queue_for_destruction(struct sig_pri_span *pri)
1209 struct doomed_pri *entry;
1211 AST_LIST_LOCK(&doomed_pris);
1212 AST_LIST_TRAVERSE(&doomed_pris, entry, list) {
1213 if (entry->pri == pri) {
1214 AST_LIST_UNLOCK(&doomed_pris);
1218 entry = ast_calloc(sizeof(struct doomed_pri), 1);
1220 /* Nothing useful to do here. Panic? */
1221 ast_log(LOG_WARNING, "Failed allocating memory for a doomed_pri.\n");
1222 AST_LIST_UNLOCK(&doomed_pris);
1226 ast_debug(4, "Queue span %d for destruction.\n", pri->span);
1227 AST_LIST_INSERT_TAIL(&doomed_pris, entry, list);
1228 AST_LIST_UNLOCK(&doomed_pris);
1234 * \brief Send a dial string to DAHDI.
1237 * \param pvt DAHDI private pointer
1238 * \param operation DAHDI dial operation to do to string
1239 * \param dial_str Dial string to send
1241 * \retval 0 on success.
1242 * \retval non-zero on error.
1244 static int dahdi_dial_str(struct dahdi_pvt *pvt, int operation, const char *dial_str)
1249 struct dahdi_dialoperation zo = {
1253 /* Convert the W's to ww. */
1255 for (offset = 0; offset < sizeof(zo.dialstr) - 1; ++offset) {
1260 /* Convert 'W' to "ww" */
1262 if (offset >= sizeof(zo.dialstr) - 3) {
1263 /* No room to expand */
1266 zo.dialstr[offset] = 'w';
1268 zo.dialstr[offset] = 'w';
1271 zo.dialstr[offset] = *pos++;
1273 /* The zo initialization has already terminated the dialstr. */
1275 ast_debug(1, "Channel %d: Dial str '%s' expanded to '%s' sent to DAHDI_DIAL.\n",
1276 pvt->channel, dial_str, zo.dialstr);
1277 res = ioctl(pvt->subs[SUB_REAL].dfd, DAHDI_DIAL, &zo);
1279 ast_log(LOG_WARNING, "Channel %d: Couldn't dial '%s': %s\n",
1280 pvt->channel, dial_str, strerror(errno));
1286 static enum analog_event dahdievent_to_analogevent(int event);
1287 static int bump_gains(struct dahdi_pvt *p);
1288 static int dahdi_setlinear(int dfd, int linear);
1290 static int my_start_cid_detect(void *pvt, int cid_signalling)
1292 struct dahdi_pvt *p = pvt;
1293 int index = SUB_REAL;
1294 p->cs = callerid_new(cid_signalling);
1296 ast_log(LOG_ERROR, "Unable to alloc callerid\n");
1300 dahdi_setlinear(p->subs[index].dfd, 0);
1305 static int my_stop_cid_detect(void *pvt)
1307 struct dahdi_pvt *p = pvt;
1308 int index = SUB_REAL;
1310 callerid_free(p->cs);
1311 dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear);
1315 static int my_get_callerid(void *pvt, char *namebuf, char *numbuf, enum analog_event *ev, size_t timeout)
1317 struct dahdi_pvt *p = pvt;
1318 struct analog_pvt *analog_p = p->sig_pvt;
1319 struct pollfd poller;
1321 int index = SUB_REAL;
1323 unsigned char buf[256];
1326 poller.fd = p->subs[SUB_REAL].dfd;
1327 poller.events = POLLPRI | POLLIN;
1330 res = poll(&poller, 1, timeout);
1332 if (poller.revents & POLLPRI) {
1333 *ev = dahdievent_to_analogevent(dahdi_get_event(p->subs[SUB_REAL].dfd));
1337 if (poller.revents & POLLIN) {
1339 /* Change API: remove cid_signalling from get_callerid, add a new start_cid_detect and stop_cid_detect function
1340 * to enable slin mode and allocate cid detector. get_callerid should be able to be called any number of times until
1341 * either a timeout occurs or CID is detected (returns 0). returning 1 should be event received, and -1 should be
1342 * a failure and die, and returning 2 means no event was received. */
1343 res = read(p->subs[index].dfd, buf, sizeof(buf));
1345 ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno));
1349 if (analog_p->ringt > 0) {
1350 if (!(--analog_p->ringt)) {
1351 /* only return if we timeout from a ring event */
1356 if (p->cid_signalling == CID_SIG_V23_JP) {
1357 res = callerid_feed_jp(p->cs, buf, res, AST_LAW(p));
1359 res = callerid_feed(p->cs, buf, res, AST_LAW(p));
1363 * The previous diagnostic message output likely
1364 * explains why it failed.
1366 ast_log(LOG_WARNING, "Failed to decode CallerID\n");
1371 callerid_get(p->cs, &name, &num, &flags);
1373 ast_copy_string(namebuf, name, ANALOG_MAX_CID);
1375 ast_copy_string(numbuf, num, ANALOG_MAX_CID);
1377 ast_debug(1, "CallerID number: %s, name: %s, flags=%d\n", num, name, flags);
1382 *ev = ANALOG_EVENT_NONE;
1386 static const char *event2str(int event);
1387 static int restore_gains(struct dahdi_pvt *p);
1389 static int my_distinctive_ring(struct ast_channel *chan, void *pvt, int idx, int *ringdata)
1391 unsigned char buf[256];
1393 int curRingData[RING_PATTERNS];
1399 int checkaftercid = 0;
1401 struct dahdi_pvt *p = pvt;
1402 struct analog_pvt *analog_p = p->sig_pvt;
1404 if (ringdata == NULL) {
1405 ringdata = curRingData;
1410 /* We must have a ring by now, so, if configured, lets try to listen for
1411 * distinctive ringing */
1412 if ((checkaftercid && distinctiveringaftercid) || !checkaftercid) {
1413 /* Clear the current ring data array so we don't have old data in it. */
1414 for (receivedRingT = 0; receivedRingT < RING_PATTERNS; receivedRingT++)
1415 ringdata[receivedRingT] = 0;
1417 if (checkaftercid && distinctiveringaftercid)
1418 ast_verb(3, "Detecting post-CID distinctive ring\n");
1419 /* Check to see if context is what it should be, if not set to be. */
1420 else if (strcmp(p->context,p->defcontext) != 0) {
1421 ast_copy_string(p->context, p->defcontext, sizeof(p->context));
1422 ast_channel_context_set(chan, p->defcontext);
1426 i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT;
1427 if ((res = ioctl(p->subs[idx].dfd, DAHDI_IOMUX, &i))) {
1428 ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno));
1432 if (i & DAHDI_IOMUX_SIGEVENT) {
1433 res = dahdi_get_event(p->subs[idx].dfd);
1434 if (res == DAHDI_EVENT_NOALARM) {
1436 analog_p->inalarm = 0;
1438 ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res));
1440 /* Let us detect distinctive ring */
1442 ringdata[receivedRingT] = analog_p->ringt;
1444 if (analog_p->ringt < analog_p->ringt_base/2)
1446 /* Increment the ringT counter so we can match it against
1447 values in chan_dahdi.conf for distinctive ring */
1448 if (++receivedRingT == RING_PATTERNS)
1450 } else if (i & DAHDI_IOMUX_READ) {
1451 res = read(p->subs[idx].dfd, buf, sizeof(buf));
1453 if (errno != ELAST) {
1454 ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno));
1460 if (analog_p->ringt > 0) {
1461 if (!(--analog_p->ringt)) {
1469 if ((checkaftercid && usedistinctiveringdetection) || !checkaftercid) {
1470 /* this only shows up if you have n of the dring patterns filled in */
1471 ast_verb(3, "Detected ring pattern: %d,%d,%d\n",ringdata[0],ringdata[1],ringdata[2]);
1472 for (counter = 0; counter < 3; counter++) {
1473 /* Check to see if the rings we received match any of the ones in chan_dahdi.conf for this channel */
1475 /* this only shows up if you have n of the dring patterns filled in */
1476 ast_verb(3, "Checking %d,%d,%d\n",
1477 p->drings.ringnum[counter].ring[0],
1478 p->drings.ringnum[counter].ring[1],
1479 p->drings.ringnum[counter].ring[2]);
1480 for (counter1 = 0; counter1 < 3; counter1++) {
1481 ast_verb(3, "Ring pattern check range: %d\n", p->drings.ringnum[counter].range);
1482 if (p->drings.ringnum[counter].ring[counter1] == -1) {
1483 ast_verb(3, "Pattern ignore (-1) detected, so matching pattern %d regardless.\n",
1484 ringdata[counter1]);
1486 } else if (ringdata[counter1] <= (p->drings.ringnum[counter].ring[counter1] + p->drings.ringnum[counter].range) &&
1487 ringdata[counter1] >= (p->drings.ringnum[counter].ring[counter1] - p->drings.ringnum[counter].range)) {
1488 ast_verb(3, "Ring pattern matched in range: %d to %d\n",
1489 (p->drings.ringnum[counter].ring[counter1] - p->drings.ringnum[counter].range),
1490 (p->drings.ringnum[counter].ring[counter1] + p->drings.ringnum[counter].range));
1495 if (distMatches == 3) {
1496 /* The ring matches, set the context to whatever is for distinctive ring.. */
1497 ast_copy_string(p->context, S_OR(p->drings.ringContext[counter].contextData, p->defcontext), sizeof(p->context));
1498 ast_channel_context_set(chan, S_OR(p->drings.ringContext[counter].contextData, p->defcontext));
1499 ast_verb(3, "Distinctive Ring matched context %s\n",p->context);
1504 /* Restore linear mode (if appropriate) for Caller*ID processing */
1505 dahdi_setlinear(p->subs[idx].dfd, p->subs[idx].linear);
1511 static int my_stop_callwait(void *pvt)
1513 struct dahdi_pvt *p = pvt;
1514 p->callwaitingrepeat = 0;
1516 p->cid_suppress_expire = 0;
1521 static int send_callerid(struct dahdi_pvt *p);
1522 static int save_conference(struct dahdi_pvt *p);
1523 static int restore_conference(struct dahdi_pvt *p);
1525 static int my_callwait(void *pvt)
1527 struct dahdi_pvt *p = pvt;
1529 p->callwaitingrepeat = CALLWAITING_REPEAT_SAMPLES;
1531 ast_log(LOG_WARNING, "Spill already exists?!?\n");
1532 ast_free(p->cidspill);
1536 * SAS: Subscriber Alert Signal, 440Hz for 300ms
1537 * CAS: CPE Alert Signal, 2130Hz * 2750Hz sine waves
1539 if (!(p->cidspill = ast_malloc(2400 /* SAS */ + 680 /* CAS */ + READ_SIZE * 4)))
1543 memset(p->cidspill, 0x7f, 2400 + 600 + READ_SIZE * 4);
1544 if (!p->callwaitrings && p->callwaitingcallerid) {
1545 ast_gen_cas(p->cidspill, 1, 2400 + 680, AST_LAW(p));
1547 p->cidlen = 2400 + 680 + READ_SIZE * 4;
1549 ast_gen_cas(p->cidspill, 1, 2400, AST_LAW(p));
1551 p->cidlen = 2400 + READ_SIZE * 4;
1559 static int my_send_callerid(void *pvt, int cwcid, struct ast_party_caller *caller)
1561 struct dahdi_pvt *p = pvt;
1563 ast_debug(2, "Starting cid spill\n");
1566 ast_log(LOG_WARNING, "cidspill already exists??\n");
1567 ast_free(p->cidspill);
1570 if ((p->cidspill = ast_malloc(MAX_CALLERID_SIZE))) {
1572 p->cidlen = ast_callerid_generate(p->cidspill,
1573 caller->id.name.str,
1574 caller->id.number.str,
1577 ast_verb(3, "CPE supports Call Waiting Caller*ID. Sending '%s/%s'\n",
1578 caller->id.name.str, caller->id.number.str);
1581 p->cidlen = ast_callerid_callwaiting_generate(p->cidspill,
1582 caller->id.name.str,
1583 caller->id.number.str,
1585 p->cidlen += READ_SIZE * 4;
1588 p->cid_suppress_expire = 0;
1594 static int my_dsp_reset_and_flush_digits(void *pvt)
1596 struct dahdi_pvt *p = pvt;
1598 ast_dsp_digitreset(p->dsp);
1603 static int my_dsp_set_digitmode(void *pvt, enum analog_dsp_digitmode mode)
1605 struct dahdi_pvt *p = pvt;
1607 if (p->channel == CHAN_PSEUDO)
1608 ast_log(LOG_ERROR, "You have assumed incorrectly sir!\n");
1610 if (mode == ANALOG_DIGITMODE_DTMF) {
1611 /* If we do hardware dtmf, no need for a DSP */
1612 if (p->hardwaredtmf) {
1614 ast_dsp_free(p->dsp);
1621 p->dsp = ast_dsp_new();
1623 ast_log(LOG_ERROR, "Unable to allocate DSP\n");
1628 ast_dsp_set_digitmode(p->dsp, DSP_DIGITMODE_DTMF | p->dtmfrelax);
1629 } else if (mode == ANALOG_DIGITMODE_MF) {
1631 p->dsp = ast_dsp_new();
1633 ast_log(LOG_ERROR, "Unable to allocate DSP\n");
1637 ast_dsp_set_digitmode(p->dsp, DSP_DIGITMODE_MF | p->dtmfrelax);
1642 static int dahdi_wink(struct dahdi_pvt *p, int index);
1644 static int my_wink(void *pvt, enum analog_sub sub)
1646 struct dahdi_pvt *p = pvt;
1647 int index = analogsub_to_dahdisub(sub);
1648 if (index != SUB_REAL) {
1649 ast_log(LOG_ERROR, "We used a sub other than SUB_REAL (incorrect assumption sir)\n");
1651 return dahdi_wink(p, index);
1654 static void wakeup_sub(struct dahdi_pvt *p, int a);
1656 static int reset_conf(struct dahdi_pvt *p);
1658 static inline int dahdi_confmute(struct dahdi_pvt *p, int muted);
1660 static void my_handle_dtmf(void *pvt, struct ast_channel *ast, enum analog_sub analog_index, struct ast_frame **dest)
1662 struct ast_frame *f = *dest;
1663 struct dahdi_pvt *p = pvt;
1664 int idx = analogsub_to_dahdisub(analog_index);
1666 ast_debug(1, "%s DTMF digit: 0x%02X '%c' on %s\n",
1667 f->frametype == AST_FRAME_DTMF_BEGIN ? "Begin" : "End",
1668 (unsigned)f->subclass.integer, f->subclass.integer, ast_channel_name(ast));
1670 if (f->subclass.integer == 'f') {
1671 if (f->frametype == AST_FRAME_DTMF_END) {
1672 /* Fax tone -- Handle and return NULL */
1673 if ((p->callprogress & CALLPROGRESS_FAX) && !p->faxhandled) {
1674 /* If faxbuffers are configured, use them for the fax transmission */
1675 if (p->usefaxbuffers && !p->bufferoverrideinuse) {
1676 struct dahdi_bufferinfo bi = {
1677 .txbufpolicy = p->faxbuf_policy,
1678 .bufsize = p->bufsize,
1679 .numbufs = p->faxbuf_no
1683 if ((res = ioctl(p->subs[idx].dfd, DAHDI_SET_BUFINFO, &bi)) < 0) {
1684 ast_log(LOG_WARNING, "Channel '%s' unable to set buffer policy, reason: %s\n", ast_channel_name(ast), strerror(errno));
1686 p->bufferoverrideinuse = 1;
1691 p->dsp_features &= ~DSP_FEATURE_FAX_DETECT;
1692 ast_dsp_set_features(p->dsp, p->dsp_features);
1693 ast_debug(1, "Disabling FAX tone detection on %s after tone received\n", ast_channel_name(ast));
1695 if (strcmp(ast_channel_exten(ast), "fax")) {
1696 const char *target_context = S_OR(ast_channel_macrocontext(ast), ast_channel_context(ast));
1698 /* We need to unlock 'ast' here because ast_exists_extension has the
1699 * potential to start autoservice on the channel. Such action is prone
1702 ast_mutex_unlock(&p->lock);
1703 ast_channel_unlock(ast);
1704 if (ast_exists_extension(ast, target_context, "fax", 1,
1705 S_COR(ast_channel_caller(ast)->id.number.valid, ast_channel_caller(ast)->id.number.str, NULL))) {
1706 ast_channel_lock(ast);
1707 ast_mutex_lock(&p->lock);
1708 ast_verb(3, "Redirecting %s to fax extension\n", ast_channel_name(ast));
1709 /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */
1710 pbx_builtin_setvar_helper(ast, "FAXEXTEN", ast_channel_exten(ast));
1711 if (ast_async_goto(ast, target_context, "fax", 1))
1712 ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", ast_channel_name(ast), target_context);
1714 ast_channel_lock(ast);
1715 ast_mutex_lock(&p->lock);
1716 ast_log(LOG_NOTICE, "Fax detected, but no fax extension\n");
1719 ast_debug(1, "Already in a fax extension, not redirecting\n");
1722 ast_debug(1, "Fax already handled\n");
1724 dahdi_confmute(p, 0);
1726 p->subs[idx].f.frametype = AST_FRAME_NULL;
1727 p->subs[idx].f.subclass.integer = 0;
1728 *dest = &p->subs[idx].f;
1732 static void my_lock_private(void *pvt)
1734 struct dahdi_pvt *p = pvt;
1735 ast_mutex_lock(&p->lock);
1738 static void my_unlock_private(void *pvt)
1740 struct dahdi_pvt *p = pvt;
1741 ast_mutex_unlock(&p->lock);
1744 static void my_deadlock_avoidance_private(void *pvt)
1746 struct dahdi_pvt *p = pvt;
1748 DEADLOCK_AVOIDANCE(&p->lock);
1751 static struct ast_manager_event_blob *dahdichannel_to_ami(struct stasis_message *msg)
1753 RAII_VAR(struct ast_str *, channel_string, NULL, ast_free);
1754 struct ast_channel_blob *obj = stasis_message_data(msg);
1755 struct ast_json *span, *channel;
1757 channel_string = ast_manager_build_channel_state_string(obj->snapshot);
1758 if (!channel_string) {
1762 span = ast_json_object_get(obj->blob, "span");
1763 channel = ast_json_object_get(obj->blob, "channel");
1765 return ast_manager_event_blob_create(EVENT_FLAG_CALL, "DAHDIChannel",
1768 "DAHDIChannel: %s\r\n",
1769 ast_str_buffer(channel_string),
1770 (unsigned int)ast_json_integer_get(span),
1771 ast_json_string_get(channel));
1774 STASIS_MESSAGE_TYPE_DEFN_LOCAL(dahdichannel_type,
1775 .to_ami = dahdichannel_to_ami,
1778 /*! \brief Sends a DAHDIChannel channel blob used to produce DAHDIChannel AMI messages */
1779 static void publish_dahdichannel(struct ast_channel *chan, int span, const char *dahdi_channel)
1781 RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
1783 ast_assert(dahdi_channel != NULL);
1785 blob = ast_json_pack("{s: i, s: s}",
1787 "channel", dahdi_channel);
1792 ast_channel_lock(chan);
1793 ast_channel_publish_blob(chan, dahdichannel_type(), blob);
1794 ast_channel_unlock(chan);
1799 * \brief Post an AMI DAHDI channel association event.
1802 * \param p DAHDI private pointer
1803 * \param chan Channel associated with the private pointer
1807 static void dahdi_ami_channel_event(struct dahdi_pvt *p, struct ast_channel *chan)
1811 if (p->channel < CHAN_PSEUDO) {
1813 snprintf(ch_name, sizeof(ch_name), "no-media (%d)", p->channel);
1814 } else if (p->channel == CHAN_PSEUDO) {
1815 /* Pseudo channel */
1816 strcpy(ch_name, "pseudo");
1819 snprintf(ch_name, sizeof(ch_name), "%d", p->channel);
1821 publish_dahdichannel(chan, p->span, ch_name);
1827 * \brief Post an AMI DAHDI channel association event.
1830 * \param pvt DAHDI private pointer
1831 * \param chan Channel associated with the private pointer
1835 static void my_ami_channel_event(void *pvt, struct ast_channel *chan)
1837 struct dahdi_pvt *p = pvt;
1839 dahdi_ami_channel_event(p, chan);
1843 /* linear_mode = 0 - turn linear mode off, >0 - turn linear mode on
1844 * returns the last value of the linear setting
1846 static int my_set_linear_mode(void *pvt, enum analog_sub sub, int linear_mode)
1848 struct dahdi_pvt *p = pvt;
1850 int idx = analogsub_to_dahdisub(sub);
1852 dahdi_setlinear(p->subs[idx].dfd, linear_mode);
1853 oldval = p->subs[idx].linear;
1854 p->subs[idx].linear = linear_mode ? 1 : 0;
1858 static void my_set_inthreeway(void *pvt, enum analog_sub sub, int inthreeway)
1860 struct dahdi_pvt *p = pvt;
1861 int idx = analogsub_to_dahdisub(sub);
1863 p->subs[idx].inthreeway = inthreeway;
1866 static int get_alarms(struct dahdi_pvt *p);
1867 static void handle_alarms(struct dahdi_pvt *p, int alms);
1868 static void my_get_and_handle_alarms(void *pvt)
1871 struct dahdi_pvt *p = pvt;
1873 res = get_alarms(p);
1874 handle_alarms(p, res);
1877 static void *my_get_sigpvt_bridged_channel(struct ast_channel *chan)
1879 RAII_VAR(struct ast_channel *, bridged, ast_channel_bridge_peer(chan), ast_channel_cleanup);
1881 if (bridged && ast_channel_tech(bridged) == &dahdi_tech) {
1882 struct dahdi_pvt *p = ast_channel_tech_pvt(bridged);
1884 if (dahdi_analog_lib_handles(p->sig, p->radio, p->oprmode)) {
1891 static int my_get_sub_fd(void *pvt, enum analog_sub sub)
1893 struct dahdi_pvt *p = pvt;
1894 int dahdi_sub = analogsub_to_dahdisub(sub);
1895 return p->subs[dahdi_sub].dfd;
1898 static void my_set_cadence(void *pvt, int *cid_rings, struct ast_channel *ast)
1900 struct dahdi_pvt *p = pvt;
1902 /* Choose proper cadence */
1903 if ((p->distinctivering > 0) && (p->distinctivering <= num_cadence)) {
1904 if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCADENCE, &cadences[p->distinctivering - 1]))
1905 ast_log(LOG_WARNING, "Unable to set distinctive ring cadence %d on '%s': %s\n", p->distinctivering, ast_channel_name(ast), strerror(errno));
1906 *cid_rings = cidrings[p->distinctivering - 1];
1908 if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCADENCE, NULL))
1909 ast_log(LOG_WARNING, "Unable to reset default ring on '%s': %s\n", ast_channel_name(ast), strerror(errno));
1910 *cid_rings = p->sendcalleridafter;
1914 static void my_set_alarm(void *pvt, int in_alarm)
1916 struct dahdi_pvt *p = pvt;
1918 p->inalarm = in_alarm;
1921 static void my_set_dialing(void *pvt, int is_dialing)
1923 struct dahdi_pvt *p = pvt;
1925 p->dialing = is_dialing;
1928 static void my_set_outgoing(void *pvt, int is_outgoing)
1930 struct dahdi_pvt *p = pvt;
1932 p->outgoing = is_outgoing;
1935 #if defined(HAVE_PRI) || defined(HAVE_SS7)
1936 static void my_set_digital(void *pvt, int is_digital)
1938 struct dahdi_pvt *p = pvt;
1940 p->digital = is_digital;
1942 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
1944 #if defined(HAVE_SS7)
1945 static void my_set_inservice(void *pvt, int is_inservice)
1947 struct dahdi_pvt *p = pvt;
1949 p->inservice = is_inservice;
1951 #endif /* defined(HAVE_SS7) */
1953 #if defined(HAVE_SS7)
1954 static void my_set_locallyblocked(void *pvt, int is_blocked)
1956 struct dahdi_pvt *p = pvt;
1958 p->locallyblocked = is_blocked;
1960 #endif /* defined(HAVE_SS7) */
1962 #if defined(HAVE_SS7)
1963 static void my_set_remotelyblocked(void *pvt, int is_blocked)
1965 struct dahdi_pvt *p = pvt;
1967 p->remotelyblocked = is_blocked;
1969 #endif /* defined(HAVE_SS7) */
1971 static void my_set_ringtimeout(void *pvt, int ringt)
1973 struct dahdi_pvt *p = pvt;
1977 static void my_set_waitingfordt(void *pvt, struct ast_channel *ast)
1979 struct dahdi_pvt *p = pvt;
1981 if (p->waitfordialtone && CANPROGRESSDETECT(p) && p->dsp) {
1982 ast_debug(1, "Defer dialing for %dms or dialtone\n", p->waitfordialtone);
1983 gettimeofday(&p->waitingfordt, NULL);
1984 ast_setstate(ast, AST_STATE_OFFHOOK);
1988 static int my_check_waitingfordt(void *pvt)
1990 struct dahdi_pvt *p = pvt;
1992 if (p->waitingfordt.tv_sec) {
1999 static void my_set_confirmanswer(void *pvt, int flag)
2001 struct dahdi_pvt *p = pvt;
2002 p->confirmanswer = flag;
2005 static int my_check_confirmanswer(void *pvt)
2007 struct dahdi_pvt *p = pvt;
2008 if (p->confirmanswer) {
2015 static void my_set_callwaiting(void *pvt, int callwaiting_enable)
2017 struct dahdi_pvt *p = pvt;
2019 p->callwaiting = callwaiting_enable;
2022 static void my_cancel_cidspill(void *pvt)
2024 struct dahdi_pvt *p = pvt;
2026 ast_free(p->cidspill);
2028 restore_conference(p);
2031 static int my_confmute(void *pvt, int mute)
2033 struct dahdi_pvt *p = pvt;
2034 return dahdi_confmute(p, mute);
2037 static void my_set_pulsedial(void *pvt, int flag)
2039 struct dahdi_pvt *p = pvt;
2040 p->pulsedial = flag;
2043 static void my_set_new_owner(void *pvt, struct ast_channel *new_owner)
2045 struct dahdi_pvt *p = pvt;
2047 p->owner = new_owner;
2050 static const char *my_get_orig_dialstring(void *pvt)
2052 struct dahdi_pvt *p = pvt;
2054 return p->dialstring;
2057 static void my_increase_ss_count(void)
2059 ast_mutex_lock(&ss_thread_lock);
2061 ast_mutex_unlock(&ss_thread_lock);
2064 static void my_decrease_ss_count(void)
2066 ast_mutex_lock(&ss_thread_lock);
2068 ast_cond_signal(&ss_thread_complete);
2069 ast_mutex_unlock(&ss_thread_lock);
2072 static void my_all_subchannels_hungup(void *pvt)
2074 struct dahdi_pvt *p = pvt;
2081 ast_dsp_free(p->dsp);
2085 p->law = p->law_default;
2086 law = p->law_default;
2087 res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETLAW, &law);
2089 ast_log(LOG_WARNING, "Unable to set law on channel %d to default: %s\n", p->channel, strerror(errno));
2091 dahdi_setlinear(p->subs[SUB_REAL].dfd, 0);
2097 /* Cleanup owners here */
2098 for (i = 0; i < 3; i++) {
2099 p->subs[i].owner = NULL;
2105 if (num_restart_pending == 0) {
2110 static int conf_del(struct dahdi_pvt *p, struct dahdi_subchannel *c, int index);
2112 static int my_conf_del(void *pvt, enum analog_sub sub)
2114 struct dahdi_pvt *p = pvt;
2115 int x = analogsub_to_dahdisub(sub);
2117 return conf_del(p, &p->subs[x], x);
2120 static int conf_add(struct dahdi_pvt *p, struct dahdi_subchannel *c, int index, int slavechannel);
2122 static int my_conf_add(void *pvt, enum analog_sub sub)
2124 struct dahdi_pvt *p = pvt;
2125 int x = analogsub_to_dahdisub(sub);
2127 return conf_add(p, &p->subs[x], x, 0);
2130 static int isslavenative(struct dahdi_pvt *p, struct dahdi_pvt **out);
2132 static int my_complete_conference_update(void *pvt, int needconference)
2134 struct dahdi_pvt *p = pvt;
2135 int needconf = needconference;
2138 struct dahdi_pvt *slave = NULL;
2140 useslavenative = isslavenative(p, &slave);
2142 /* If we have a slave, add him to our conference now. or DAX
2143 if this is slave native */
2144 for (x = 0; x < MAX_SLAVES; x++) {
2147 conf_add(p, &p->slaves[x]->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(p));
2149 conf_add(p, &p->slaves[x]->subs[SUB_REAL], SUB_REAL, 0);
2154 /* If we're supposed to be in there, do so now */
2155 if (p->inconference && !p->subs[SUB_REAL].inthreeway) {
2157 conf_add(p, &p->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(slave));
2159 conf_add(p, &p->subs[SUB_REAL], SUB_REAL, 0);
2163 /* If we have a master, add ourselves to his conference */
2165 if (isslavenative(p->master, NULL)) {
2166 conf_add(p->master, &p->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(p->master));
2168 conf_add(p->master, &p->subs[SUB_REAL], SUB_REAL, 0);
2172 /* Nobody is left (or should be left) in our conference.
2180 static int check_for_conference(struct dahdi_pvt *p);
2182 static int my_check_for_conference(void *pvt)
2184 struct dahdi_pvt *p = pvt;
2185 return check_for_conference(p);
2188 static void my_swap_subchannels(void *pvt, enum analog_sub a, struct ast_channel *ast_a, enum analog_sub b, struct ast_channel *ast_b)
2190 struct dahdi_pvt *p = pvt;
2195 da = analogsub_to_dahdisub(a);
2196 db = analogsub_to_dahdisub(b);
2198 tchan = p->subs[da].chan;
2199 p->subs[da].chan = p->subs[db].chan;
2200 p->subs[db].chan = tchan;
2202 tinthreeway = p->subs[da].inthreeway;
2203 p->subs[da].inthreeway = p->subs[db].inthreeway;
2204 p->subs[db].inthreeway = tinthreeway;
2206 p->subs[da].owner = ast_a;
2207 p->subs[db].owner = ast_b;
2210 ast_channel_set_fd(ast_a, 0, p->subs[da].dfd);
2212 ast_channel_set_fd(ast_b, 0, p->subs[db].dfd);
2222 * \brief performs duties of dahdi_new, but also removes and possibly unbinds (if callid_created is 1) before returning
2223 * \note this variant of dahdi should only be used in conjunction with ast_callid_threadstorage_auto()
2225 * \param callid_created value returned from ast_callid_threadstorage_auto()
2227 static struct ast_channel *dahdi_new_callid_clean(struct dahdi_pvt *i, int state, int startpbx, int idx, int law, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, struct ast_callid *callid, int callid_created);
2229 static struct ast_channel *dahdi_new(struct dahdi_pvt *i, int state, int startpbx, int idx, int law, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, struct ast_callid *callid);
2231 static struct ast_channel *my_new_analog_ast_channel(void *pvt, int state, int startpbx, enum analog_sub sub, const struct ast_channel *requestor)
2233 struct ast_callid *callid = NULL;
2234 int callid_created = ast_callid_threadstorage_auto(&callid);
2235 struct dahdi_pvt *p = pvt;
2236 int dsub = analogsub_to_dahdisub(sub);
2238 return dahdi_new_callid_clean(p, state, startpbx, dsub, 0, NULL, requestor, callid, callid_created);
2241 #if defined(HAVE_PRI) || defined(HAVE_SS7)
2242 static int dahdi_setlaw(int dfd, int law)
2245 res = ioctl(dfd, DAHDI_SETLAW, &law);
2250 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
2252 #if defined(HAVE_PRI)
2253 static struct ast_channel *my_new_pri_ast_channel(void *pvt, int state,
2254 enum sig_pri_law law, char *exten, const struct ast_assigned_ids *assignedids,
2255 const struct ast_channel *requestor)
2257 struct dahdi_pvt *p = pvt;
2260 struct ast_callid *callid = NULL;
2261 int callid_created = ast_callid_threadstorage_auto(&callid);
2264 case SIG_PRI_LIB_HANDLE_CASES:
2265 if (((struct sig_pri_chan *) p->sig_pvt)->no_b_channel) {
2266 /* PRI nobch pseudo channel. Does not handle ioctl(DAHDI_AUDIOMODE) */
2271 /* Set to audio mode at this point */
2273 if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &audio) == -1) {
2274 ast_log(LOG_WARNING, "Unable to set audio mode on channel %d to %d: %s\n",
2275 p->channel, audio, strerror(errno));
2280 if (law != SIG_PRI_DEFLAW) {
2281 dahdi_setlaw(p->subs[SUB_REAL].dfd, (law == SIG_PRI_ULAW) ? DAHDI_LAW_MULAW : DAHDI_LAW_ALAW);
2284 ast_copy_string(p->exten, exten, sizeof(p->exten));
2287 case SIG_PRI_DEFLAW:
2291 newlaw = DAHDI_LAW_ALAW;
2294 newlaw = DAHDI_LAW_MULAW;
2298 return dahdi_new_callid_clean(p, state, 0, SUB_REAL, newlaw, assignedids, requestor, callid, callid_created);
2300 #endif /* defined(HAVE_PRI) */
2302 static int set_actual_gain(int fd, float rxgain, float txgain, float rxdrc, float txdrc, int law);
2304 #if defined(HAVE_PRI) || defined(HAVE_SS7)
2307 * \brief Open the PRI/SS7 channel media path.
2310 * \param p Channel private control structure.
2314 static void my_pri_ss7_open_media(void *p)
2316 struct dahdi_pvt *pvt = p;
2321 dfd = pvt->subs[SUB_REAL].dfd;
2323 /* Open the media path. */
2325 res = ioctl(dfd, DAHDI_AUDIOMODE, &set_val);
2327 ast_log(LOG_WARNING, "Unable to enable audio mode on channel %d (%s)\n",
2328 pvt->channel, strerror(errno));
2331 /* Set correct companding law for this call. */
2332 res = dahdi_setlaw(dfd, pvt->law);
2334 ast_log(LOG_WARNING, "Unable to set law on channel %d\n", pvt->channel);
2337 /* Set correct gain for this call. */
2339 res = set_actual_gain(dfd, 0, 0, pvt->rxdrc, pvt->txdrc, pvt->law);
2341 res = set_actual_gain(dfd, pvt->rxgain, pvt->txgain, pvt->rxdrc, pvt->txdrc,
2345 ast_log(LOG_WARNING, "Unable to set gains on channel %d\n", pvt->channel);
2348 if (pvt->dsp_features && pvt->dsp) {
2349 ast_dsp_set_features(pvt->dsp, pvt->dsp_features);
2350 pvt->dsp_features = 0;
2353 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
2355 #if defined(HAVE_PRI)
2358 * \brief Ask DAHDI to dial the given dial string.
2361 * \param p Channel private control structure.
2362 * \param dial_string String to pass to DAHDI to dial.
2364 * \note The channel private lock needs to be held when calling.
2368 static void my_pri_dial_digits(void *p, const char *dial_string)
2370 char dial_str[DAHDI_MAX_DTMF_BUF];
2371 struct dahdi_pvt *pvt = p;
2374 snprintf(dial_str, sizeof(dial_str), "T%s", dial_string);
2375 res = dahdi_dial_str(pvt, DAHDI_DIAL_OP_APPEND, dial_str);
2380 #endif /* defined(HAVE_PRI) */
2382 static int unalloc_sub(struct dahdi_pvt *p, int x);
2384 static int my_unallocate_sub(void *pvt, enum analog_sub analogsub)
2386 struct dahdi_pvt *p = pvt;
2388 return unalloc_sub(p, analogsub_to_dahdisub(analogsub));
2391 static int alloc_sub(struct dahdi_pvt *p, int x);
2393 static int my_allocate_sub(void *pvt, enum analog_sub analogsub)
2395 struct dahdi_pvt *p = pvt;
2397 return alloc_sub(p, analogsub_to_dahdisub(analogsub));
2400 static int has_voicemail(struct dahdi_pvt *p);
2402 static int my_has_voicemail(void *pvt)
2404 struct dahdi_pvt *p = pvt;
2406 return has_voicemail(p);
2409 static int my_play_tone(void *pvt, enum analog_sub sub, enum analog_tone tone)
2411 struct dahdi_pvt *p = pvt;
2414 index = analogsub_to_dahdisub(sub);
2416 return tone_zone_play_tone(p->subs[index].dfd, analog_tone_to_dahditone(tone));
2419 static enum analog_event dahdievent_to_analogevent(int event)
2421 enum analog_event res;
2424 case DAHDI_EVENT_ONHOOK:
2425 res = ANALOG_EVENT_ONHOOK;
2427 case DAHDI_EVENT_RINGOFFHOOK:
2428 res = ANALOG_EVENT_RINGOFFHOOK;
2430 case DAHDI_EVENT_WINKFLASH:
2431 res = ANALOG_EVENT_WINKFLASH;
2433 case DAHDI_EVENT_ALARM:
2434 res = ANALOG_EVENT_ALARM;
2436 case DAHDI_EVENT_NOALARM:
2437 res = ANALOG_EVENT_NOALARM;
2439 case DAHDI_EVENT_DIALCOMPLETE:
2440 res = ANALOG_EVENT_DIALCOMPLETE;
2442 case DAHDI_EVENT_RINGERON:
2443 res = ANALOG_EVENT_RINGERON;
2445 case DAHDI_EVENT_RINGEROFF:
2446 res = ANALOG_EVENT_RINGEROFF;
2448 case DAHDI_EVENT_HOOKCOMPLETE:
2449 res = ANALOG_EVENT_HOOKCOMPLETE;
2451 case DAHDI_EVENT_PULSE_START:
2452 res = ANALOG_EVENT_PULSE_START;
2454 case DAHDI_EVENT_POLARITY:
2455 res = ANALOG_EVENT_POLARITY;
2457 case DAHDI_EVENT_RINGBEGIN:
2458 res = ANALOG_EVENT_RINGBEGIN;
2460 case DAHDI_EVENT_EC_DISABLED:
2461 res = ANALOG_EVENT_EC_DISABLED;
2463 case DAHDI_EVENT_REMOVED:
2464 res = ANALOG_EVENT_REMOVED;
2466 case DAHDI_EVENT_NEONMWI_ACTIVE:
2467 res = ANALOG_EVENT_NEONMWI_ACTIVE;
2469 case DAHDI_EVENT_NEONMWI_INACTIVE:
2470 res = ANALOG_EVENT_NEONMWI_INACTIVE;
2472 #ifdef HAVE_DAHDI_ECHOCANCEL_FAX_MODE
2473 case DAHDI_EVENT_TX_CED_DETECTED:
2474 res = ANALOG_EVENT_TX_CED_DETECTED;
2476 case DAHDI_EVENT_RX_CED_DETECTED:
2477 res = ANALOG_EVENT_RX_CED_DETECTED;
2479 case DAHDI_EVENT_EC_NLP_DISABLED:
2480 res = ANALOG_EVENT_EC_NLP_DISABLED;
2482 case DAHDI_EVENT_EC_NLP_ENABLED:
2483 res = ANALOG_EVENT_EC_NLP_ENABLED;
2486 case DAHDI_EVENT_PULSEDIGIT:
2487 res = ANALOG_EVENT_PULSEDIGIT;
2489 case DAHDI_EVENT_DTMFDOWN:
2490 res = ANALOG_EVENT_DTMFDOWN;
2492 case DAHDI_EVENT_DTMFUP:
2493 res = ANALOG_EVENT_DTMFUP;
2496 switch(event & 0xFFFF0000) {
2497 case DAHDI_EVENT_PULSEDIGIT:
2498 case DAHDI_EVENT_DTMFDOWN:
2499 case DAHDI_EVENT_DTMFUP:
2500 /* The event includes a digit number in the low word.
2501 * Converting it to a 'enum analog_event' would remove
2502 * that information. Thus it is returned as-is.
2507 res = ANALOG_EVENT_ERROR;
2514 static inline int dahdi_wait_event(int fd);
2516 static int my_wait_event(void *pvt)
2518 struct dahdi_pvt *p = pvt;
2520 return dahdi_wait_event(p->subs[SUB_REAL].dfd);
2523 static int my_get_event(void *pvt)
2525 struct dahdi_pvt *p = pvt;
2528 if (p->fake_event) {
2529 res = p->fake_event;
2532 res = dahdi_get_event(p->subs[SUB_REAL].dfd);
2534 return dahdievent_to_analogevent(res);
2537 static int my_is_off_hook(void *pvt)
2539 struct dahdi_pvt *p = pvt;
2541 struct dahdi_params par;
2543 memset(&par, 0, sizeof(par));
2545 if (p->subs[SUB_REAL].dfd > -1)
2546 res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &par);
2548 /* Assume not off hook on CVRS */
2550 par.rxisoffhook = 0;
2553 ast_log(LOG_WARNING, "Unable to check hook state on channel %d: %s\n", p->channel, strerror(errno));
2556 if ((p->sig == SIG_FXSKS) || (p->sig == SIG_FXSGS)) {
2557 /* When "onhook" that means no battery on the line, and thus
2558 it is out of service..., if it's on a TDM card... If it's a channel
2559 bank, there is no telling... */
2560 return (par.rxbits > -1) || par.rxisoffhook;
2563 return par.rxisoffhook;
2566 static int my_set_echocanceller(void *pvt, int enable)
2568 struct dahdi_pvt *p = pvt;
2573 dahdi_ec_disable(p);
2578 static int dahdi_ring_phone(struct dahdi_pvt *p);
2580 static int my_ring(void *pvt)
2582 struct dahdi_pvt *p = pvt;
2584 return dahdi_ring_phone(p);
2587 static int my_flash(void *pvt)
2589 struct dahdi_pvt *p = pvt;
2590 int func = DAHDI_FLASH;
2591 return ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &func);
2594 static inline int dahdi_set_hook(int fd, int hs);
2596 static int my_off_hook(void *pvt)
2598 struct dahdi_pvt *p = pvt;
2599 return dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK);
2602 static void my_set_needringing(void *pvt, int value)
2604 struct dahdi_pvt *p = pvt;
2605 p->subs[SUB_REAL].needringing = value;
2608 static void my_set_polarity(void *pvt, int value)
2610 struct dahdi_pvt *p = pvt;
2612 if (p->channel == CHAN_PSEUDO) {
2615 p->polarity = value;
2616 ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETPOLARITY, &value);
2619 static void my_start_polarityswitch(void *pvt)
2621 struct dahdi_pvt *p = pvt;
2623 if (p->answeronpolarityswitch || p->hanguponpolarityswitch) {
2624 my_set_polarity(pvt, 0);
2628 static void my_answer_polarityswitch(void *pvt)
2630 struct dahdi_pvt *p = pvt;
2632 if (!p->answeronpolarityswitch) {
2636 my_set_polarity(pvt, 1);
2639 static void my_hangup_polarityswitch(void *pvt)
2641 struct dahdi_pvt *p = pvt;
2643 if (!p->hanguponpolarityswitch) {
2647 if (p->answeronpolarityswitch) {
2648 my_set_polarity(pvt, 0);
2650 my_set_polarity(pvt, 1);
2654 static int my_start(void *pvt)
2656 struct dahdi_pvt *p = pvt;
2657 int x = DAHDI_START;
2659 return ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x);
2662 static int my_dial_digits(void *pvt, enum analog_sub sub, struct analog_dialoperation *dop)
2664 struct dahdi_pvt *p = pvt;
2666 if (dop->op != ANALOG_DIAL_OP_REPLACE) {
2667 ast_log(LOG_ERROR, "Fix the dial_digits callback!\n");
2671 if (sub != ANALOG_SUB_REAL) {
2672 ast_log(LOG_ERROR, "Trying to dial_digits '%s' on channel %d subchannel %u\n",
2673 dop->dialstr, p->channel, sub);
2677 return dahdi_dial_str(p, DAHDI_DIAL_OP_REPLACE, dop->dialstr);
2680 static void dahdi_train_ec(struct dahdi_pvt *p);
2682 static int my_train_echocanceller(void *pvt)
2684 struct dahdi_pvt *p = pvt;
2691 static int my_is_dialing(void *pvt, enum analog_sub sub)
2693 struct dahdi_pvt *p = pvt;
2697 index = analogsub_to_dahdisub(sub);
2699 if (ioctl(p->subs[index].dfd, DAHDI_DIALING, &x)) {
2700 ast_debug(1, "DAHDI_DIALING ioctl failed!\n");
2707 static int my_on_hook(void *pvt)
2709 struct dahdi_pvt *p = pvt;
2710 return dahdi_set_hook(p->subs[ANALOG_SUB_REAL].dfd, DAHDI_ONHOOK);
2713 #if defined(HAVE_PRI)
2714 static void my_pri_fixup_chans(void *chan_old, void *chan_new)
2716 struct dahdi_pvt *old_chan = chan_old;
2717 struct dahdi_pvt *new_chan = chan_new;
2719 new_chan->owner = old_chan->owner;
2720 old_chan->owner = NULL;
2721 if (new_chan->owner) {
2722 ast_channel_tech_pvt_set(new_chan->owner, new_chan);
2723 ast_channel_internal_fd_set(new_chan->owner, 0, new_chan->subs[SUB_REAL].dfd);
2724 new_chan->subs[SUB_REAL].owner = old_chan->subs[SUB_REAL].owner;
2725 old_chan->subs[SUB_REAL].owner = NULL;
2727 /* Copy any DSP that may be present */
2728 new_chan->dsp = old_chan->dsp;
2729 new_chan->dsp_features = old_chan->dsp_features;
2730 old_chan->dsp = NULL;
2731 old_chan->dsp_features = 0;
2733 /* Transfer flags from the old channel. */
2734 new_chan->dialing = old_chan->dialing;
2735 new_chan->digital = old_chan->digital;
2736 new_chan->outgoing = old_chan->outgoing;
2737 old_chan->dialing = 0;
2738 old_chan->digital = 0;
2739 old_chan->outgoing = 0;
2741 /* More stuff to transfer to the new channel. */
2742 new_chan->law = old_chan->law;
2743 strcpy(new_chan->dialstring, old_chan->dialstring);
2745 #endif /* defined(HAVE_PRI) */
2747 #if defined(HAVE_PRI)
2748 static int sig_pri_tone_to_dahditone(enum sig_pri_tone tone)
2751 case SIG_PRI_TONE_RINGTONE:
2752 return DAHDI_TONE_RINGTONE;
2753 case SIG_PRI_TONE_STUTTER:
2754 return DAHDI_TONE_STUTTER;
2755 case SIG_PRI_TONE_CONGESTION:
2756 return DAHDI_TONE_CONGESTION;
2757 case SIG_PRI_TONE_DIALTONE:
2758 return DAHDI_TONE_DIALTONE;
2759 case SIG_PRI_TONE_DIALRECALL:
2760 return DAHDI_TONE_DIALRECALL;
2761 case SIG_PRI_TONE_INFO:
2762 return DAHDI_TONE_INFO;
2763 case SIG_PRI_TONE_BUSY:
2764 return DAHDI_TONE_BUSY;
2769 #endif /* defined(HAVE_PRI) */
2771 #if defined(HAVE_PRI)
2772 static void my_handle_dchan_exception(struct sig_pri_span *pri, int index)
2776 ioctl(pri->fds[index], DAHDI_GETEVENT, &x);
2778 case DAHDI_EVENT_NONE:
2780 case DAHDI_EVENT_ALARM:
2781 case DAHDI_EVENT_NOALARM:
2782 if (sig_pri_is_alarm_ignored(pri)) {
2787 ast_log(LOG_NOTICE, "Got DAHDI event: %s (%d) on D-channel of span %d\n",
2788 event2str(x), x, pri->span);
2791 /* Keep track of alarm state */
2793 case DAHDI_EVENT_ALARM:
2794 pri_event_alarm(pri, index, 0);
2796 case DAHDI_EVENT_NOALARM:
2797 pri_event_noalarm(pri, index, 0);
2799 case DAHDI_EVENT_REMOVED:
2800 pri_queue_for_destruction(pri);
2806 #endif /* defined(HAVE_PRI) */
2808 #if defined(HAVE_PRI)
2809 static int my_pri_play_tone(void *pvt, enum sig_pri_tone tone)
2811 struct dahdi_pvt *p = pvt;
2813 return tone_zone_play_tone(p->subs[SUB_REAL].dfd, sig_pri_tone_to_dahditone(tone));
2815 #endif /* defined(HAVE_PRI) */
2817 #if defined(HAVE_PRI) || defined(HAVE_SS7)
2820 * \brief Set the caller id information.
2823 * \param pvt DAHDI private structure
2824 * \param caller Caller-id information to set.
2828 static void my_set_callerid(void *pvt, const struct ast_party_caller *caller)
2830 struct dahdi_pvt *p = pvt;
2832 ast_copy_string(p->cid_num,
2833 S_COR(caller->id.number.valid, caller->id.number.str, ""),
2834 sizeof(p->cid_num));
2835 ast_copy_string(p->cid_name,
2836 S_COR(caller->id.name.valid, caller->id.name.str, ""),
2837 sizeof(p->cid_name));
2838 ast_copy_string(p->cid_subaddr,
2839 S_COR(caller->id.subaddress.valid, caller->id.subaddress.str, ""),
2840 sizeof(p->cid_subaddr));
2841 p->cid_ton = caller->id.number.plan;
2842 p->callingpres = ast_party_id_presentation(&caller->id);
2843 if (caller->id.tag) {
2844 ast_copy_string(p->cid_tag, caller->id.tag, sizeof(p->cid_tag));
2846 ast_copy_string(p->cid_ani,
2847 S_COR(caller->ani.number.valid, caller->ani.number.str, ""),
2848 sizeof(p->cid_ani));
2849 p->cid_ani2 = caller->ani2;
2851 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
2853 #if defined(HAVE_PRI) || defined(HAVE_SS7)
2856 * \brief Set the Dialed Number Identifier.
2859 * \param pvt DAHDI private structure
2860 * \param dnid Dialed Number Identifier string.
2864 static void my_set_dnid(void *pvt, const char *dnid)
2866 struct dahdi_pvt *p = pvt;
2868 ast_copy_string(p->dnid, dnid, sizeof(p->dnid));
2870 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
2872 #if defined(HAVE_PRI)
2875 * \brief Set the Redirecting Directory Number Information Service (RDNIS).
2878 * \param pvt DAHDI private structure
2879 * \param rdnis Redirecting Directory Number Information Service (RDNIS) string.
2883 static void my_set_rdnis(void *pvt, const char *rdnis)
2885 struct dahdi_pvt *p = pvt;
2887 ast_copy_string(p->rdnis, rdnis, sizeof(p->rdnis));
2889 #endif /* defined(HAVE_PRI) */
2891 #if defined(HAVE_PRI)
2894 * \brief Make a dialstring for native ISDN CC to recall properly.
2897 * \param priv Channel private control structure.
2898 * \param buf Where to put the modified dialstring.
2899 * \param buf_size Size of modified dialstring buffer.
2902 * original dialstring:
2903 * DAHDI/[i<span>-](g|G|r|R)<group#(0-63)>[c|r<cadance#>|d][/extension[/options]]
2905 * The modified dialstring will have prefixed the channel-group section
2906 * with the ISDN channel restriction.
2909 * DAHDI/i<span>-(g|G|r|R)<group#(0-63)>[c|r<cadance#>|d][/extension[/options]]
2911 * The routine will check to see if the ISDN channel restriction is already
2912 * in the original dialstring.
2916 static void my_pri_make_cc_dialstring(void *priv, char *buf, size_t buf_size)
2919 struct dahdi_pvt *pvt;
2920 AST_DECLARE_APP_ARGS(args,
2921 AST_APP_ARG(tech); /* channel technology token */
2922 AST_APP_ARG(group); /* channel/group token */
2923 //AST_APP_ARG(ext); /* extension token */
2924 //AST_APP_ARG(opts); /* options token */
2925 //AST_APP_ARG(other); /* Any remining unused arguments */
2929 dial = ast_strdupa(pvt->dialstring);
2930 AST_NONSTANDARD_APP_ARGS(args, dial, '/');
2932 ast_copy_string(buf, pvt->dialstring, buf_size);
2936 /* Append the ISDN span channel restriction to the dialstring. */
2937 snprintf(buf, buf_size, "%s/i%d-", args.tech, pvt->pri->span);
2940 if (isdigit(args.group[0]) || args.group[0] == 'i' || strchr(args.group, '!')) {
2941 /* The ISDN span channel restriction is not needed or already
2942 * in the dialstring. */
2943 ast_copy_string(buf, pvt->dialstring, buf_size);
2946 /* Insert the ISDN span channel restriction into the dialstring. */
2947 snprintf(buf, buf_size, "%s/i%d-%s", args.tech, pvt->pri->span, args.group);
2949 #endif /* defined(HAVE_PRI) */
2951 #if defined(HAVE_PRI)
2954 * \brief Reevaluate the PRI span device state.
2957 * \param pri Asterisk D channel control structure.
2961 * \note Assumes the pri->lock is already obtained.
2963 static void dahdi_pri_update_span_devstate(struct sig_pri_span *pri)
2966 unsigned num_b_chans; /* Number of B channels provisioned on the span. */
2967 unsigned in_use; /* Number of B channels in use on the span. */
2968 unsigned in_alarm; /* TRUE if the span is in alarm condition. */
2969 enum ast_device_state new_state;
2971 /* Count the number of B channels and the number of B channels in use. */
2975 for (idx = pri->numchans; idx--;) {
2976 if (pri->pvts[idx] && !pri->pvts[idx]->no_b_channel) {
2977 /* This is a B channel interface. */
2979 if (!sig_pri_is_chan_available(pri->pvts[idx])) {
2982 if (!pri->pvts[idx]->inalarm) {
2983 /* There is a channel that is not in alarm. */
2989 /* Update the span congestion device state and report any change. */
2991 new_state = AST_DEVICE_UNAVAILABLE;
2993 new_state = num_b_chans == in_use ? AST_DEVICE_BUSY : AST_DEVICE_NOT_INUSE;
2995 if (pri->congestion_devstate != new_state) {
2996 pri->congestion_devstate = new_state;
2997 ast_devstate_changed(AST_DEVICE_UNKNOWN, AST_DEVSTATE_NOT_CACHABLE, "DAHDI/I%d/congestion", pri->span);
2999 #if defined(THRESHOLD_DEVSTATE_PLACEHOLDER)
3000 /* Update the span threshold device state and report any change. */
3002 new_state = AST_DEVICE_UNAVAILABLE;
3003 } else if (!in_use) {
3004 new_state = AST_DEVICE_NOT_INUSE;
3005 } else if (!pri->user_busy_threshold) {
3006 new_state = in_use < num_b_chans ? AST_DEVICE_INUSE : AST_DEVICE_BUSY;
3008 new_state = in_use < pri->user_busy_threshold ? AST_DEVICE_INUSE
3011 if (pri->threshold_devstate != new_state) {
3012 pri->threshold_devstate = new_state;
3013 ast_devstate_changed(AST_DEVICE_UNKNOWN, AST_DEVSTATE_NOT_CACHABLE, "DAHDI/I%d/threshold", pri->span);
3015 #endif /* defined(THRESHOLD_DEVSTATE_PLACEHOLDER) */
3017 #endif /* defined(HAVE_PRI) */
3019 #if defined(HAVE_PRI)
3022 * \brief Reference this module.
3027 static void my_module_ref(void)
3029 ast_module_ref(ast_module_info->self);
3031 #endif /* defined(HAVE_PRI) */
3033 #if defined(HAVE_PRI)
3036 * \brief Unreference this module.
3041 static void my_module_unref(void)
3043 ast_module_unref(ast_module_info->self);
3045 #endif /* defined(HAVE_PRI) */
3047 #if defined(HAVE_PRI)
3048 #if defined(HAVE_PRI_CALL_WAITING)
3049 static void my_pri_init_config(void *priv, struct sig_pri_span *pri);
3050 #endif /* defined(HAVE_PRI_CALL_WAITING) */
3051 static int dahdi_new_pri_nobch_channel(struct sig_pri_span *pri);
3053 struct sig_pri_callback sig_pri_callbacks =
3055 .handle_dchan_exception = my_handle_dchan_exception,
3056 .play_tone = my_pri_play_tone,
3057 .set_echocanceller = my_set_echocanceller,
3058 .dsp_reset_and_flush_digits = my_dsp_reset_and_flush_digits,
3059 .lock_private = my_lock_private,
3060 .unlock_private = my_unlock_private,
3061 .deadlock_avoidance_private = my_deadlock_avoidance_private,
3062 .new_ast_channel = my_new_pri_ast_channel,
3063 .fixup_chans = my_pri_fixup_chans,
3064 .set_alarm = my_set_alarm,
3065 .set_dialing = my_set_dialing,
3066 .set_outgoing = my_set_outgoing,
3067 .set_digital = my_set_digital,
3068 .set_callerid = my_set_callerid,
3069 .set_dnid = my_set_dnid,
3070 .set_rdnis = my_set_rdnis,
3071 .new_nobch_intf = dahdi_new_pri_nobch_channel,
3072 #if defined(HAVE_PRI_CALL_WAITING)
3073 .init_config = my_pri_init_config,
3074 #endif /* defined(HAVE_PRI_CALL_WAITING) */
3075 .get_orig_dialstring = my_get_orig_dialstring,
3076 .make_cc_dialstring = my_pri_make_cc_dialstring,
3077 .update_span_devstate = dahdi_pri_update_span_devstate,
3078 .module_ref = my_module_ref,
3079 .module_unref = my_module_unref,
3080 .dial_digits = my_pri_dial_digits,
3081 .open_media = my_pri_ss7_open_media,
3082 .ami_channel_event = my_ami_channel_event,
3083 .destroy_later = pri_queue_for_destruction,
3085 #endif /* defined(HAVE_PRI) */
3087 #if defined(HAVE_SS7)
3090 * \brief Handle the SS7 link exception.
3093 * \param linkset Controlling linkset for the channel.
3094 * \param which Link index of the signaling channel.
3098 static void my_handle_link_exception(struct sig_ss7_linkset *linkset, int which)
3102 if (ioctl(linkset->fds[which], DAHDI_GETEVENT, &event)) {
3103 ast_log(LOG_ERROR, "SS7: Error in exception retrieval on span %d/%d!\n",
3104 linkset->span, which);
3108 case DAHDI_EVENT_NONE:
3110 case DAHDI_EVENT_ALARM:
3111 ast_log(LOG_ERROR, "SS7 got event: %s(%d) on span %d/%d\n",
3112 event2str(event), event, linkset->span, which);
3113 sig_ss7_link_alarm(linkset, which);
3115 case DAHDI_EVENT_NOALARM:
3116 ast_log(LOG_ERROR, "SS7 got event: %s(%d) on span %d/%d\n",
3117 event2str(event), event, linkset->span, which);
3118 sig_ss7_link_noalarm(linkset, which);
3121 ast_log(LOG_NOTICE, "SS7 got event: %s(%d) on span %d/%d\n",
3122 event2str(event), event, linkset->span, which);
3126 #endif /* defined(HAVE_SS7) */
3128 #if defined(HAVE_SS7)
3129 static void my_ss7_set_loopback(void *pvt, int enable)
3131 struct dahdi_pvt *p = pvt;
3133 if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_LOOPBACK, &enable)) {
3134 ast_log(LOG_WARNING, "Unable to set loopback on channel %d: %s\n", p->channel,
3138 #endif /* defined(HAVE_SS7) */
3140 #if defined(HAVE_SS7)
3143 * \brief Find the linkset to which SS7 belongs.
3146 * \param ss7 structure to match on.
3148 * \retval linkset if found.
3149 * \retval NULL if not found.
3151 static struct sig_ss7_linkset *my_ss7_find_linkset(struct ss7 *ss7)
3159 for (idx = 0; idx < NUM_SPANS; ++idx) {
3160 if (linksets[idx].ss7.ss7 == ss7) {
3161 return &linksets[idx].ss7;
3166 #endif /* defined(HAVE_SS7) */
3168 #if defined(HAVE_SS7)
3171 * \brief Create a new asterisk channel structure for SS7.
3174 * \param pvt Private channel structure.
3175 * \param state Initial state of new channel.
3176 * \param law Combanding law to use.
3177 * \param exten Dialplan extension for incoming call.
3178 * \param requestor Channel requesting this new channel.
3180 * \retval ast_channel on success.
3181 * \retval NULL on error.
3183 static struct ast_channel *my_new_ss7_ast_channel(void *pvt, int state, enum sig_ss7_law law, char *exten, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor)
3185 struct dahdi_pvt *p = pvt;
3188 struct ast_callid *callid = NULL;
3189 int callid_created = ast_callid_threadstorage_auto(&callid);
3191 /* Set to audio mode at this point */
3193 if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &audio) == -1)
3194 ast_log(LOG_WARNING, "Unable to set audio mode on channel %d to %d: %s\n",
3195 p->channel, audio, strerror(errno));
3197 if (law != SIG_SS7_DEFLAW) {
3198 dahdi_setlaw(p->subs[SUB_REAL].dfd,
3199 (law == SIG_SS7_ULAW) ? DAHDI_LAW_MULAW : DAHDI_LAW_ALAW);
3202 ast_copy_string(p->exten, exten, sizeof(p->exten));
3206 case SIG_SS7_DEFLAW:
3210 newlaw = DAHDI_LAW_ALAW;
3213 newlaw = DAHDI_LAW_MULAW;
3216 return dahdi_new_callid_clean(p, state, 0, SUB_REAL, newlaw, assignedids, requestor, callid, callid_created);
3218 #endif /* defined(HAVE_SS7) */
3220 #if defined(HAVE_SS7)
3221 static int sig_ss7_tone_to_dahditone(enum sig_ss7_tone tone)
3224 case SIG_SS7_TONE_RINGTONE:
3225 return DAHDI_TONE_RINGTONE;
3226 case SIG_SS7_TONE_STUTTER:
3227 return DAHDI_TONE_STUTTER;
3228 case SIG_SS7_TONE_CONGESTION:
3229 return DAHDI_TONE_CONGESTION;
3230 case SIG_SS7_TONE_DIALTONE:
3231 return DAHDI_TONE_DIALTONE;
3232 case SIG_SS7_TONE_DIALRECALL:
3233 return DAHDI_TONE_DIALRECALL;
3234 case SIG_SS7_TONE_INFO:
3235 return DAHDI_TONE_INFO;
3236 case SIG_SS7_TONE_BUSY:
3237 return DAHDI_TONE_BUSY;
3242 #endif /* defined(HAVE_SS7) */
3244 #if defined(HAVE_SS7)
3245 static int my_ss7_play_tone(void *pvt, enum sig_ss7_tone tone)
3247 struct dahdi_pvt *p = pvt;
3249 return tone_zone_play_tone(p->subs[SUB_REAL].dfd, sig_ss7_tone_to_dahditone(tone));
3251 #endif /* defined(HAVE_SS7) */
3253 #if defined(HAVE_SS7)
3254 struct sig_ss7_callback sig_ss7_callbacks =
3256 .lock_private = my_lock_private,
3257 .unlock_private = my_unlock_private,
3258 .deadlock_avoidance_private = my_deadlock_avoidance_private,
3260 .set_echocanceller = my_set_echocanceller,
3261 .set_loopback = my_ss7_set_loopback,
3263 .new_ast_channel = my_new_ss7_ast_channel,
3264 .play_tone = my_ss7_play_tone,
3266 .handle_link_exception = my_handle_link_exception,
3267 .set_alarm = my_set_alarm,
3268 .set_dialing = my_set_dialing,
3269 .set_outgoing = my_set_outgoing,
3270 .set_digital = my_set_digital,
3271 .set_inservice = my_set_inservice,
3272 .set_locallyblocked = my_set_locallyblocked,
3273 .set_remotelyblocked = my_set_remotelyblocked,
3274 .set_callerid = my_set_callerid,
3275 .set_dnid = my_set_dnid,
3276 .open_media = my_pri_ss7_open_media,
3277 .find_linkset = my_ss7_find_linkset,
3279 #endif /* defined(HAVE_SS7) */
3282 * \brief Send MWI state change
3284 * \param mailbox This is the mailbox associated with the FXO line that the
3285 * MWI state has changed on.
3286 * \param thereornot This argument should simply be set to 1 or 0, to indicate
3287 * whether there are messages waiting or not.
3291 * This function does two things:
3293 * 1) It generates an internal Asterisk event notifying any other module that
3294 * cares about MWI that the state of a mailbox has changed.
3296 * 2) It runs the script specified by the mwimonitornotify option to allow
3297 * some custom handling of the state change.
3299 static void notify_message(char *mailbox, int thereornot)
3301 char s[sizeof(mwimonitornotify) + 80];
3303 if (ast_strlen_zero(mailbox)) {
3307 ast_publish_mwi_state(mailbox, NULL, thereornot, thereornot);
3308 if (!ast_strlen_zero(mwimonitornotify)) {
3309 snprintf(s, sizeof(s), "%s %s %d", mwimonitornotify, mailbox, thereornot);
3314 static void my_handle_notify_message(struct ast_channel *chan, void *pvt, int cid_flags, int neon_mwievent)
3316 struct dahdi_pvt *p = pvt;
3318 if (neon_mwievent > -1 && !p->mwimonitor_neon)
3321 if (neon_mwievent == ANALOG_EVENT_NEONMWI_ACTIVE || cid_flags & CID_MSGWAITING) {
3322 ast_log(LOG_NOTICE, "MWI: Channel %d message waiting, mailbox %s\n", p->channel, p->mailbox);
3323 notify_message(p->mailbox, 1);
3324 } else if (neon_mwievent == ANALOG_EVENT_NEONMWI_INACTIVE || cid_flags & CID_NOMSGWAITING) {
3325 ast_log(LOG_NOTICE, "MWI: Channel %d no message waiting, mailbox %s\n", p->channel, p->mailbox);
3326 notify_message(p->mailbox, 0);
3328 /* If the CID had Message waiting payload, assume that this for MWI only and hangup the call */
3329 /* If generated using Ring Pulse Alert, then ring has been answered as a call and needs to be hungup */
3330 if (neon_mwievent == -1 && p->mwimonitor_rpas) {
3336 static int my_have_progressdetect(void *pvt)
3338 struct dahdi_pvt *p = pvt;
3340 if ((p->callprogress & CALLPROGRESS_PROGRESS)
3341 && CANPROGRESSDETECT(p) && p->dsp && p->outgoing) {
3344 /* Don't have progress detection. */
3349 struct analog_callback analog_callbacks =
3351 .play_tone = my_play_tone,
3352 .get_event = my_get_event,
3353 .wait_event = my_wait_event,
3354 .is_off_hook = my_is_off_hook,
3355 .set_echocanceller = my_set_echocanceller,
3358 .off_hook = my_off_hook,
3359 .dial_digits = my_dial_digits,
3360 .train_echocanceller = my_train_echocanceller,
3361 .on_hook = my_on_hook,
3362 .is_dialing = my_is_dialing,
3363 .allocate_sub = my_allocate_sub,
3364 .unallocate_sub = my_unallocate_sub,
3365 .swap_subs = my_swap_subchannels,
3366 .has_voicemail = my_has_voicemail,
3367 .check_for_conference = my_check_for_conference,
3368 .conf_add = my_conf_add,
3369 .conf_del = my_conf_del,
3370 .complete_conference_update = my_complete_conference_update,
3372 .all_subchannels_hungup = my_all_subchannels_hungup,
3373 .lock_private = my_lock_private,
3374 .unlock_private = my_unlock_private,
3375 .deadlock_avoidance_private = my_deadlock_avoidance_private,
3376 .handle_dtmf = my_handle_dtmf,
3378 .new_ast_channel = my_new_analog_ast_channel,
3379 .dsp_set_digitmode = my_dsp_set_digitmode,
3380 .dsp_reset_and_flush_digits = my_dsp_reset_and_flush_digits,
3381 .send_callerid = my_send_callerid,
3382 .callwait = my_callwait,
3383 .stop_callwait = my_stop_callwait,
3384 .get_callerid = my_get_callerid,
3385 .start_cid_detect = my_start_cid_detect,
3386 .stop_cid_detect = my_stop_cid_detect,
3387 .handle_notify_message = my_handle_notify_message,
3388 .increase_ss_count = my_increase_ss_count,
3389 .decrease_ss_count = my_decrease_ss_count,
3390 .distinctive_ring = my_distinctive_ring,
3391 .set_linear_mode = my_set_linear_mode,
3392 .set_inthreeway = my_set_inthreeway,
3393 .get_and_handle_alarms = my_get_and_handle_alarms,
3394 .get_sigpvt_bridged_channel = my_get_sigpvt_bridged_channel,
3395 .get_sub_fd = my_get_sub_fd,
3396 .set_cadence = my_set_cadence,
3397 .set_alarm = my_set_alarm,
3398 .set_dialing = my_set_dialing,
3399 .set_outgoing = my_set_outgoing,
3400 .set_ringtimeout = my_set_ringtimeout,
3401 .set_waitingfordt = my_set_waitingfordt,
3402 .check_waitingfordt = my_check_waitingfordt,
3403 .set_confirmanswer = my_set_confirmanswer,
3404 .check_confirmanswer = my_check_confirmanswer,
3405 .set_callwaiting = my_set_callwaiting,
3406 .cancel_cidspill = my_cancel_cidspill,
3407 .confmute = my_confmute,
3408 .set_pulsedial = my_set_pulsedial,
3409 .set_new_owner = my_set_new_owner,
3410 .get_orig_dialstring = my_get_orig_dialstring,
3411 .set_needringing = my_set_needringing,
3412 .set_polarity = my_set_polarity,
3413 .start_polarityswitch = my_start_polarityswitch,
3414 .answer_polarityswitch = my_answer_polarityswitch,
3415 .hangup_polarityswitch = my_hangup_polarityswitch,
3416 .have_progressdetect = my_have_progressdetect,
3419 /*! Round robin search locations. */
3420 static struct dahdi_pvt *round_robin[32];
3422 int _dahdi_get_index(struct ast_channel *ast, struct dahdi_pvt *p, int nullok, const char *fname, unsigned long line)
3425 if (p->subs[SUB_REAL].owner == ast)
3427 else if (p->subs[SUB_CALLWAIT].owner == ast)
3429 else if (p->subs[SUB_THREEWAY].owner == ast)
3434 ast_log(LOG_WARNING,
3435 "Unable to get index for '%s' on channel %d (%s(), line %lu)\n",
3436 ast ? ast_channel_name(ast) : "", p->channel, fname, line);
3443 * \brief Obtain the specified subchannel owner lock if the owner exists.
3445 * \param pvt Channel private struct.
3446 * \param sub_idx Subchannel owner to lock.
3448 * \note Assumes the pvt->lock is already obtained.
3451 * Because deadlock avoidance may have been necessary, you need to confirm
3452 * the state of things before continuing.
3456 static void dahdi_lock_sub_owner(struct dahdi_pvt *pvt, int sub_idx)
3459 if (!pvt->subs[sub_idx].owner) {
3460 /* No subchannel owner pointer */
3463 if (!ast_channel_trylock(pvt->subs[sub_idx].owner)) {
3464 /* Got subchannel owner lock */
3467 /* We must unlock the private to avoid the possibility of a deadlock */
3468 DEADLOCK_AVOIDANCE(&pvt->lock);
3472 static void wakeup_sub(struct dahdi_pvt *p, int a)
3474 dahdi_lock_sub_owner(p, a);
3475 if (p->subs[a].owner) {
3476 ast_queue_frame(p->subs[a].owner, &ast_null_frame);
3477 ast_channel_unlock(p->subs[a].owner);
3481 static void dahdi_queue_frame(struct dahdi_pvt *p, struct ast_frame *f)
3485 if (ast_channel_trylock(p->owner)) {
3486 DEADLOCK_AVOIDANCE(&p->lock);
3488 ast_queue_frame(p->owner, f);
3489 ast_channel_unlock(p->owner);
3497 static void publish_channel_alarm_clear(int channel)
3499 RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
3500 RAII_VAR(struct ast_str *, dahdi_chan, ast_str_create(32), ast_free);
3505 ast_str_set(&dahdi_chan, 0, "%d", channel);
3506 ast_log(LOG_NOTICE, "Alarm cleared on channel DAHDI/%d\n", channel);
3507 body = ast_json_pack("{s: s}", "DAHDIChannel", ast_str_buffer(dahdi_chan));
3512 ast_manager_publish_event("AlarmClear", EVENT_FLAG_SYSTEM, body);
3515 static void publish_span_alarm_clear(int span)
3517 RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
3519 ast_log(LOG_NOTICE, "Alarm cleared on span %d\n", span);
3520 body = ast_json_pack("{s: i}", "Span", span);
3525 ast_manager_publish_event("SpanAlarmClear", EVENT_FLAG_SYSTEM, body);
3528 static void handle_clear_alarms(struct dahdi_pvt *p)
3530 #if defined(HAVE_PRI)
3531 if (dahdi_sig_pri_lib_handles(p->sig) && sig_pri_is_alarm_ignored(p->pri)) {
3534 #endif /* defined(HAVE_PRI) */
3536 if (report_alarms & REPORT_CHANNEL_ALARMS) {
3537 publish_channel_alarm_clear(p->channel);
3539 if (report_alarms & REPORT_SPAN_ALARMS && p->manages_span_alarms) {
3540 publish_span_alarm_clear(p->span);
3546 static int dahdi_r2_answer(struct dahdi_pvt *p)
3549 /* openr2 1.1.0 and older does not even define OR2_LIB_INTERFACE
3550 * and does not has support for openr2_chan_answer_call_with_mode
3552 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 1
3553 const char *double_answer = pbx_builtin_getvar_helper(p->owner, "MFCR2_DOUBLE_ANSWER");
3554 int wants_double_answer = ast_true(double_answer) ? 1 : 0;
3555 if (!double_answer) {
3556 /* this still can result in double answer if the channel context
3557 * was configured that way */
3558 res = openr2_chan_answer_call(p->r2chan);
3559 } else if (wants_double_answer) {
3560 res = openr2_chan_answer_call_with_mode(p->r2chan, OR2_ANSWER_DOUBLE);
3562 res = openr2_chan_answer_call_with_mode(p->r2chan, OR2_ANSWER_SIMPLE);
3565 res = openr2_chan_answer_call(p->r2chan);
3572 /* should be called with the ast_channel locked */
3573 static openr2_calling_party_category_t dahdi_r2_get_channel_category(struct ast_channel *c)
3575 openr2_calling_party_category_t cat;
3576 const char *catstr = pbx_builtin_getvar_helper(c, "MFCR2_CATEGORY");
3577 struct dahdi_pvt *p = ast_channel_tech_pvt(c);
3578 if (ast_strlen_zero(catstr)) {
3579 ast_debug(1, "No MFC/R2 category specified for chan %s, using default %s\n",
3580 ast_channel_name(c), openr2_proto_get_category_string(p->mfcr2_category));
3581 return p->mfcr2_category;
3583 if ((cat = openr2_proto_get_category(catstr)) == OR2_CALLING_PARTY_CATEGORY_UNKNOWN) {
3584 ast_log(LOG_WARNING, "Invalid category specified '%s' for chan %s, using default %s\n",
3585 catstr, ast_channel_name(c), openr2_proto_get_category_string(p->mfcr2_category));
3586 return p->mfcr2_category;
3588 ast_debug(1, "Using category %s\n", catstr);
3592 static void dahdi_r2_on_call_init(openr2_chan_t *r2chan)
3594 struct dahdi_pvt *p = openr2_chan_get_client_data(r2chan);
3595 ast_mutex_lock(&p->lock);
3597 ast_mutex_unlock(&p->lock);
3598 /* TODO: This can happen when some other thread just finished dahdi_request requesting this very same
3599 interface but has not yet seized the line (dahdi_call), and the far end wins and seize the line,
3600 can we avoid this somehow?, at this point when dahdi_call send the seize, it is likely that since
3601 the other end will see our seize as a forced release and drop the call, we will see an invalid
3602 pattern that will be seen and treated as protocol error. */
3603 ast_log(LOG_ERROR, "Collision of calls on chan %d detected!.\n", openr2_chan_get_number(r2chan));
3607 /* better safe than sorry ... */
3608 p->cid_name[0] = '\0';
3609 p->cid_num[0] = '\0';
3610 p->cid_subaddr[0] = '\0';
3613 p->mfcr2_ani_index = '\0';
3614 p->mfcr2_dnis_index = '\0';
3615 p->mfcr2_dnis_matched = 0;
3616 p->mfcr2_answer_pending = 0;
3617 p->mfcr2_call_accepted = 0;
3618 ast_mutex_unlock(&p->lock);
3619 ast_verbose("New MFC/R2 call detected on chan %d.\n", openr2_chan_get_number(r2chan));
3622 static void dahdi_r2_on_hardware_alarm(openr2_chan_t *r2chan, int alarm)
3625 struct dahdi_pvt *p = openr2_chan_get_client_data(r2chan);
3626 ast_mutex_lock(&p->lock);
3627 p->inalarm = alarm ? 1 : 0;
3629 res = get_alarms(p);
3630 handle_alarms(p, res);
3632 handle_clear_alarms(p);
3634 ast_mutex_unlock(&p->lock);
3637 static void dahdi_r2_on_os_error(openr2_chan_t *r2chan, int errorcode)
3639 ast_log(LOG_ERROR, "OS error on chan %d: %s\n", openr2_chan_get_number(r2chan), strerror(errorcode));
3642 static void dahdi_r2_on_protocol_error(openr2_chan_t *r2chan, openr2_protocol_error_t reason)
3644 struct dahdi_pvt *p = openr2_chan_get_client_data(r2chan);
3645 ast_log(LOG_ERROR, "MFC/R2 protocol error on chan %d: %s\n", openr2_chan_get_number(r2chan), openr2_proto_get_error(reason));
3647 ast_channel_hangupcause_set(p->owner, AST_CAUSE_PROTOCOL_ERROR);
3648 ast_channel_softhangup_internal_flag_add(p->owner, AST_SOFTHANGUP_DEV);
3650 ast_mutex_lock(&p->lock);
3652 ast_mutex_unlock(&p->lock);
3655 static void dahdi_r2_disconnect_call(struct dahdi_pvt *p, openr2_call_disconnect_cause_t cause)
3657 if (openr2_chan_disconnect_call(p->r2chan, cause)) {
3658 ast_log(LOG_NOTICE, "Bad! failed to disconnect call on channel %d with reason %s, hope for the best!\n",
3659 p->channel, openr2_proto_get_disconnect_string(cause));
3660 /* force the chan to idle and release the call flag now since we will not see a clean on_call_end */
3661 openr2_chan_set_idle(p->r2chan);
3662 ast_mutex_lock(&p->lock);
3664 ast_mutex_unlock(&p->lock);
3668 static void dahdi_r2_on_call_offered(openr2_chan_t *r2chan, const char *ani, const char *dnis, openr2_calling_party_category_t category)
3670 struct dahdi_pvt *p;
3671 struct ast_channel *c;
3672 struct ast_callid *callid = NULL;
3673 int callid_created = ast_callid_threadstorage_auto(&callid);
3674 ast_verbose("MFC/R2 call offered on chan %d. ANI = %s, DNIS = %s, Category = %s\n",
3675 openr2_chan_get_number(r2chan), ani ? ani : "(restricted)", dnis,
3676 openr2_proto_get_category_string(category));
3677 p = openr2_chan_get_client_data(r2chan);
3678 /* if collect calls are not allowed and this is a collect call, reject it! */
3679 if (!p->mfcr2_allow_collect_calls && category == OR2_CALLING_PARTY_CATEGORY_COLLECT_CALL) {
3680 ast_log(LOG_NOTICE, "Rejecting MFC/R2 collect call\n");
3681 dahdi_r2_disconnect_call(p, OR2_CAUSE_COLLECT_CALL_REJECTED);
3682 goto dahdi_r2_on_call_offered_cleanup;
3684 ast_mutex_lock(&p->lock);
3685 p->mfcr2_recvd_category = category;
3686 /* if we're not supposed to use CID, clear whatever we have */
3687 if (!p->use_callerid) {
3688 ast_debug(1, "No CID allowed in configuration, CID is being cleared!\n");
3692 /* if we're supposed to answer immediately, clear DNIS and set 's' exten */
3693 if (p->immediate || !openr2_context_get_max_dnis(openr2_chan_get_context(r2chan))) {
3694 ast_debug(1, "Setting exten => s because of immediate or 0 DNIS configured\n");
3698 ast_mutex_unlock(&p->lock);
3699 if (!ast_exists_extension(NULL, p->context, p->exten, 1, p->cid_num)) {
3700 ast_log(LOG_NOTICE, "MFC/R2 call on channel %d requested non-existent extension '%s' in context '%s'. Rejecting call.\n",
3701 p->channel, p->exten, p->context);
3702 dahdi_r2_disconnect_call(p, OR2_CAUSE_UNALLOCATED_NUMBER);
3703 goto dahdi_r2_on_call_offered_cleanup;
3705 if (!p->mfcr2_accept_on_offer) {
3706 /* The user wants us to start the PBX thread right away without accepting the call first */
3707 c = dahdi_new(p, AST_STATE_RING, 1, SUB_REAL, DAHDI_LAW_ALAW, NULL, NULL, callid);
3709 /* Done here, don't disable reading now since we still need to generate MF tones to accept
3710 the call or reject it and detect the tone off condition of the other end, all of this
3711 will be done in the PBX thread now */
3712 goto dahdi_r2_on_call_offered_cleanup;
3714 ast_log(LOG_WARNING, "Unable to create PBX channel in DAHDI channel %d\n", p->channel);
3715 dahdi_r2_disconnect_call(p, OR2_CAUSE_OUT_OF_ORDER);
3716 } else if (p->mfcr2_charge_calls) {
3717 ast_debug(1, "Accepting MFC/R2 call with charge on chan %d\n", p->channel);
3718 openr2_chan_accept_call(r2chan, OR2_CALL_WITH_CHARGE);
3720 ast_debug(1, "Accepting MFC/R2 call with no charge on chan %d\n", p->channel);
3721 openr2_chan_accept_call(r2chan, OR2_CALL_NO_CHARGE);
3724 dahdi_r2_on_call_offered_cleanup:
3725 ast_callid_threadstorage_auto_clean(callid, callid_created);
3728 static void dahdi_r2_on_call_end(openr2_chan_t *r2chan)
3730 struct dahdi_pvt *p = openr2_chan_get_client_data(r2chan);
3731 ast_verbose("MFC/R2 call end on channel %d\n", p->channel);
3732 ast_mutex_lock(&p->lock);
3734 ast_mutex_unlock(&p->lock);
3737 static void dahdi_r2_on_call_accepted(openr2_chan_t *r2chan, openr2_call_mode_t mode)
3739 struct dahdi_pvt *p = NULL;
3740 struct ast_channel *c = NULL;
3741 struct ast_callid *callid = NULL;
3742 int callid_created = ast_callid_threadstorage_auto(&callid);
3743 p = openr2_chan_get_client_data(r2chan);
3745 p->mfcr2_call_accepted = 1;
3746 /* if it's an incoming call ... */
3747 if (OR2_DIR_BACKWARD == openr2_chan_get_direction(r2chan)) {
3748 ast_verbose("MFC/R2 call has been accepted on backward channel %d\n", openr2_chan_get_number(r2chan));
3749 /* If accept on offer is not set, it means at this point the PBX thread is already