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_REGISTER_FILE()
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/devicestate.h"
124 #include "asterisk/paths.h"
125 #include "asterisk/ccss.h"
126 #include "asterisk/data.h"
127 #include "asterisk/features_config.h"
128 #include "asterisk/bridge.h"
129 #include "asterisk/stasis_channels.h"
130 #include "asterisk/parking.h"
131 #include "asterisk/format_cache.h"
132 #include "chan_dahdi.h"
133 #include "dahdi/bridge_native_dahdi.h"
136 <application name="DAHDISendKeypadFacility" language="en_US">
138 Send digits out of band over a PRI.
141 <parameter name="digits" required="true" />
144 <para>This application will send the given string of digits in a Keypad
145 Facility IE over the current channel.</para>
148 <application name="DAHDISendCallreroutingFacility" language="en_US">
150 Send an ISDN call rerouting/deflection facility message.
153 <parameter name="destination" required="true">
154 <para>Destination number.</para>
156 <parameter name="original">
157 <para>Original called number.</para>
159 <parameter name="reason">
160 <para>Diversion reason, if not specified defaults to <literal>unknown</literal></para>
164 <para>This application will send an ISDN switch specific call
165 rerouting/deflection facility message over the current channel.
166 Supported switches depend upon the version of libpri in use.</para>
169 <application name="DAHDIAcceptR2Call" language="en_US">
171 Accept an R2 call if its not already accepted (you still need to answer it)
174 <parameter name="charge" required="true">
175 <para>Yes or No.</para>
176 <para>Whether you want to accept the call with charge or without charge.</para>
180 <para>This application will Accept the R2 call either with charge or no charge.</para>
183 <manager name="DAHDITransfer" language="en_US">
185 Transfer DAHDI Channel.
188 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
189 <parameter name="DAHDIChannel" required="true">
190 <para>DAHDI channel number to transfer.</para>
194 <para>Simulate a flash hook event by the user connected to the channel.</para>
195 <note><para>Valid only for analog channels.</para></note>
198 <manager name="DAHDIHangup" language="en_US">
200 Hangup DAHDI Channel.
203 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
204 <parameter name="DAHDIChannel" required="true">
205 <para>DAHDI channel number to hangup.</para>
209 <para>Simulate an on-hook event by the user connected to the channel.</para>
210 <note><para>Valid only for analog channels.</para></note>
213 <manager name="DAHDIDialOffhook" language="en_US">
215 Dial over DAHDI channel while offhook.
218 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
219 <parameter name="DAHDIChannel" required="true">
220 <para>DAHDI channel number to dial digits.</para>
222 <parameter name="Number" required="true">
223 <para>Digits to dial.</para>
227 <para>Generate DTMF control frames to the bridged peer.</para>
230 <manager name="DAHDIDNDon" language="en_US">
232 Toggle DAHDI channel Do Not Disturb status ON.
235 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
236 <parameter name="DAHDIChannel" required="true">
237 <para>DAHDI channel number to set DND on.</para>
241 <para>Equivalent to the CLI command "dahdi set dnd <variable>channel</variable> on".</para>
242 <note><para>Feature only supported by analog channels.</para></note>
245 <manager name="DAHDIDNDoff" language="en_US">
247 Toggle DAHDI channel Do Not Disturb status OFF.
250 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
251 <parameter name="DAHDIChannel" required="true">
252 <para>DAHDI channel number to set DND off.</para>
256 <para>Equivalent to the CLI command "dahdi set dnd <variable>channel</variable> off".</para>
257 <note><para>Feature only supported by analog channels.</para></note>
260 <manager name="DAHDIShowChannels" language="en_US">
262 Show status of DAHDI channels.
265 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
266 <parameter name="DAHDIChannel">
267 <para>Specify the specific channel number to show. Show all channels if zero or not present.</para>
271 <para>Similar to the CLI command "dahdi show channels".</para>
274 <manager name="DAHDIRestart" language="en_US">
276 Fully Restart DAHDI channels (terminates calls).
279 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
282 <para>Equivalent to the CLI command "dahdi restart".</para>
285 <manager name="PRIShowSpans" language="en_US">
287 Show status of PRI spans.
290 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
291 <parameter name="Span">
292 <para>Specify the specific span to show. Show all spans if zero or not present.</para>
296 <para>Similar to the CLI command "pri show spans".</para>
299 <manager name="PRIDebugSet" language="en_US">
301 Set PRI debug levels for a span
304 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
305 <parameter name="Span" required="true">
306 <para>Which span to affect.</para>
308 <parameter name="Level" required="true">
309 <para>What debug level to set. May be a numerical value or a text value from the list below</para>
314 <enum name="intense" />
319 <para>Equivalent to the CLI command "pri set debug <level> span <span>".</para>
322 <manager name="PRIDebugFileSet" language="en_US">
324 Set the file used for PRI debug message output
327 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
328 <parameter name="File" required="true">
329 <para>Path of file to write debug output.</para>
333 <para>Equivalent to the CLI command "pri set debug file <output-file>"</para>
336 <manager name="PRIDebugFileUnset" language="en_US">
338 Disables file output for PRI debug messages
341 <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
344 <managerEvent language="en_US" name="AlarmClear">
345 <managerEventInstance class="EVENT_FLAG_SYSTEM">
346 <synopsis>Raised when an alarm is cleared on a DAHDI channel.</synopsis>
348 <parameter name="DAHDIChannel">
349 <para>The DAHDI channel on which the alarm was cleared.</para>
350 <note><para>This is not an Asterisk channel identifier.</para></note>
353 </managerEventInstance>
355 <managerEvent language="en_US" name="SpanAlarmClear">
356 <managerEventInstance class="EVENT_FLAG_SYSTEM">
357 <synopsis>Raised when an alarm is cleared on a DAHDI span.</synopsis>
359 <parameter name="Span">
360 <para>The span on which the alarm was cleared.</para>
363 </managerEventInstance>
365 <managerEvent language="en_US" name="DNDState">
366 <managerEventInstance class="EVENT_FLAG_SYSTEM">
367 <synopsis>Raised when the Do Not Disturb state is changed on a DAHDI channel.</synopsis>
369 <parameter name="DAHDIChannel">
370 <para>The DAHDI channel on which DND status changed.</para>
371 <note><para>This is not an Asterisk channel identifier.</para></note>
373 <parameter name="Status">
375 <enum name="enabled"/>
376 <enum name="disabled"/>
380 </managerEventInstance>
382 <managerEvent language="en_US" name="Alarm">
383 <managerEventInstance class="EVENT_FLAG_SYSTEM">
384 <synopsis>Raised when an alarm is set on a DAHDI channel.</synopsis>
386 <parameter name="DAHDIChannel">
387 <para>The channel on which the alarm occurred.</para>
388 <note><para>This is not an Asterisk channel identifier.</para></note>
390 <parameter name="Alarm">
391 <para>A textual description of the alarm that occurred.</para>
394 </managerEventInstance>
396 <managerEvent language="en_US" name="SpanAlarm">
397 <managerEventInstance class="EVENT_FLAG_SYSTEM">
398 <synopsis>Raised when an alarm is set on a DAHDI span.</synopsis>
400 <parameter name="Span">
401 <para>The span on which the alarm occurred.</para>
403 <parameter name="Alarm">
404 <para>A textual description of the alarm that occurred.</para>
407 </managerEventInstance>
409 <managerEvent language="en_US" name="DAHDIChannel">
410 <managerEventInstance class="EVENT_FLAG_CALL">
411 <synopsis>Raised when a DAHDI channel is created or an underlying technology is associated with a DAHDI channel.</synopsis>
414 <parameter name="DAHDISpan">
415 <para>The DAHDI span associated with this channel.</para>
417 <parameter name="DAHDIChannel">
418 <para>The DAHDI channel associated with this channel.</para>
421 </managerEventInstance>
425 #define SMDI_MD_WAIT_TIMEOUT 1500 /* 1.5 seconds */
427 static const char * const lbostr[] = {
428 "0 db (CSU)/0-133 feet (DSX-1)",
429 "133-266 feet (DSX-1)",
430 "266-399 feet (DSX-1)",
431 "399-533 feet (DSX-1)",
432 "533-655 feet (DSX-1)",
438 /*! Global jitterbuffer configuration - by default, jb is disabled
439 * \note Values shown here match the defaults shown in chan_dahdi.conf.sample */
440 static struct ast_jb_conf default_jbconf =
444 .resync_threshold = 1000,
448 static struct ast_jb_conf global_jbconf;
451 * \note Define ZHONE_HACK to cause us to go off hook and then back on hook when
452 * the user hangs up to reset the state machine so ring works properly.
453 * This is used to be able to support kewlstart by putting the zhone in
454 * groundstart mode since their forward disconnect supervision is entirely
455 * broken even though their documentation says it isn't and their support
456 * is entirely unwilling to provide any assistance with their channel banks
457 * even though their web site says they support their products for life.
459 /* #define ZHONE_HACK */
461 /*! \brief Typically, how many rings before we should send Caller*ID */
462 #define DEFAULT_CIDRINGS 1
464 #define AST_LAW(p) (((p)->law == DAHDI_LAW_ALAW) ? ast_format_alaw : ast_format_ulaw)
467 /*! \brief Signaling types that need to use MF detection should be placed in this macro */
468 #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))
470 static const char tdesc[] = "DAHDI Telephony"
471 #if defined(HAVE_PRI) || defined(HAVE_SS7) || defined(HAVE_OPENR2)
473 #if defined(HAVE_PRI)
475 #endif /* defined(HAVE_PRI) */
476 #if defined(HAVE_SS7)
477 #if defined(HAVE_PRI)
479 #endif /* defined(HAVE_PRI) */
481 #endif /* defined(HAVE_SS7) */
482 #if defined(HAVE_OPENR2)
483 #if defined(HAVE_PRI) || defined(HAVE_SS7)
485 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) */
487 #endif /* defined(HAVE_OPENR2) */
488 #endif /* defined(HAVE_PRI) || defined(HAVE_SS7) || defined(HAVE_OPENR2) */
491 static const char config[] = "chan_dahdi.conf";
494 #define NUM_SPANS DAHDI_MAX_SPANS
499 #define CHAN_PSEUDO -2
501 #define CALLPROGRESS_PROGRESS 1
502 #define CALLPROGRESS_FAX_OUTGOING 2
503 #define CALLPROGRESS_FAX_INCOMING 4
504 #define CALLPROGRESS_FAX (CALLPROGRESS_FAX_INCOMING | CALLPROGRESS_FAX_OUTGOING)
506 #define NUM_CADENCE_MAX 25
507 static int num_cadence = 4;
508 static int user_has_defined_cadences = 0;
510 static int has_pseudo;
512 static struct dahdi_ring_cadence cadences[NUM_CADENCE_MAX] = {
513 { { 125, 125, 2000, 4000 } }, /*!< Quick chirp followed by normal ring */
514 { { 250, 250, 500, 1000, 250, 250, 500, 4000 } }, /*!< British style ring */
515 { { 125, 125, 125, 125, 125, 4000 } }, /*!< Three short bursts */
516 { { 1000, 500, 2500, 5000 } }, /*!< Long ring */
519 /*! \brief cidrings says in which pause to transmit the cid information, where the first pause
520 * is 1, the second pause is 2 and so on.
523 static int cidrings[NUM_CADENCE_MAX] = {
524 2, /*!< Right after first long ring */
525 4, /*!< Right after long part */
526 3, /*!< After third chirp */
527 2, /*!< Second spell */
530 /* ETSI EN300 659-1 specifies the ring pulse between 200 and 300 mS */
531 static struct dahdi_ring_cadence AS_RP_cadence = {{250, 10000}};
533 #define ISTRUNK(p) ((p->sig == SIG_FXSLS) || (p->sig == SIG_FXSKS) || \
534 (p->sig == SIG_FXSGS) || (p->sig == SIG_PRI))
536 #define CANBUSYDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */)
537 #define CANPROGRESSDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */)
539 static char defaultcic[64] = "";
540 static char defaultozz[64] = "";
542 /*! Run this script when the MWI state changes on an FXO line, if mwimonitor is enabled */
543 static char mwimonitornotify[PATH_MAX] = "";
544 #ifndef HAVE_DAHDI_LINEREVERSE_VMWI
545 static int mwisend_rpas = 0;
548 static char progzone[10] = "";
550 static int usedistinctiveringdetection = 0;
551 static int distinctiveringaftercid = 0;
553 static int numbufs = 4;
555 static int mwilevel = 512;
556 static int dtmfcid_level = 256;
558 #define REPORT_CHANNEL_ALARMS 1
559 #define REPORT_SPAN_ALARMS 2
560 static int report_alarms = REPORT_CHANNEL_ALARMS;
563 static int pridebugfd = -1;
564 static char pridebugfilename[1024] = "";
567 /*! \brief Wait up to 16 seconds for first digit (FXO logic) */
568 static int firstdigittimeout = 16000;
570 /*! \brief How long to wait for following digits (FXO logic) */
571 static int gendigittimeout = 8000;
573 /*! \brief How long to wait for an extra digit, if there is an ambiguous match */
574 static int matchdigittimeout = 3000;
576 /*! \brief Protect the interface list (of dahdi_pvt's) */
577 AST_MUTEX_DEFINE_STATIC(iflock);
580 static int ifcount = 0;
583 AST_MUTEX_DEFINE_STATIC(pridebugfdlock);
586 /*! \brief Protect the monitoring thread, so only one process can kill or start it, and not
587 when it's doing something critical. */
588 AST_MUTEX_DEFINE_STATIC(monlock);
590 /*! \brief This is the thread for the monitor which checks for input on the channels
591 which are not currently in use. */
592 static pthread_t monitor_thread = AST_PTHREADT_NULL;
593 static ast_cond_t ss_thread_complete;
594 AST_MUTEX_DEFINE_STATIC(ss_thread_lock);
595 AST_MUTEX_DEFINE_STATIC(restart_lock);
596 static int ss_thread_count = 0;
597 static int num_restart_pending = 0;
599 static int restart_monitor(void);
601 static int dahdi_sendtext(struct ast_channel *c, const char *text);
603 /*! \brief Avoid the silly dahdi_getevent which ignores a bunch of events */
604 static inline int dahdi_get_event(int fd)
607 if (ioctl(fd, DAHDI_GETEVENT, &j) == -1)
612 /*! \brief Avoid the silly dahdi_waitevent which ignores a bunch of events */
613 static inline int dahdi_wait_event(int fd)
616 i = DAHDI_IOMUX_SIGEVENT;
617 if (ioctl(fd, DAHDI_IOMUX, &i) == -1)
619 if (ioctl(fd, DAHDI_GETEVENT, &j) == -1)
624 /*! Chunk size to read -- we use 20ms chunks to make things happy. */
625 #define READ_SIZE 160
627 #define MASK_AVAIL (1 << 0) /*!< Channel available for PRI use */
628 #define MASK_INUSE (1 << 1) /*!< Channel currently in use */
630 #define CALLWAITING_SILENT_SAMPLES ((300 * 8) / READ_SIZE) /*!< 300 ms */
631 #define CALLWAITING_REPEAT_SAMPLES ((10000 * 8) / READ_SIZE) /*!< 10,000 ms */
632 #define CALLWAITING_SUPPRESS_SAMPLES ((100 * 8) / READ_SIZE) /*!< 100 ms */
633 #define CIDCW_EXPIRE_SAMPLES ((500 * 8) / READ_SIZE) /*!< 500 ms */
634 #define MIN_MS_SINCE_FLASH ((2000) ) /*!< 2000 ms */
635 #define DEFAULT_RINGT ((8000 * 8) / READ_SIZE) /*!< 8,000 ms */
636 #define DEFAULT_DIALTONE_DETECT_TIMEOUT ((10000 * 8) / READ_SIZE) /*!< 10,000 ms */
639 * \brief Configured ring timeout base.
640 * \note Value computed from "ringtimeout" read in from chan_dahdi.conf if it exists.
642 static int ringt_base = DEFAULT_RINGT;
644 #if defined(HAVE_SS7)
647 struct sig_ss7_linkset ss7;
650 static struct dahdi_ss7 linksets[NUM_SPANS];
652 static int cur_ss7type = -1;
653 static int cur_slc = -1;
654 static int cur_linkset = -1;
655 static int cur_pointcode = -1;
656 static int cur_cicbeginswith = -1;
657 static int cur_adjpointcode = -1;
658 static int cur_networkindicator = -1;
659 static int cur_defaultdpc = -1;
660 #endif /* defined(HAVE_SS7) */
663 struct dahdi_mfcr2_conf {
664 openr2_variant_t variant;
666 int metering_pulse_timeout;
669 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
673 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 3
674 int dtmf_end_timeout;
676 signed int get_ani_first:2;
677 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 1
678 signed int skip_category_request:2;
680 unsigned int call_files:1;
681 unsigned int allow_collect_calls:1;
682 unsigned int charge_calls:1;
683 unsigned int accept_on_offer:1;
684 unsigned int forced_release:1;
685 unsigned int double_answer:1;
686 signed int immediate_accept:2;
687 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
688 signed int dtmf_dialing:2;
689 signed int dtmf_detection:2;
691 char logdir[OR2_MAX_PATH];
692 char r2proto_file[OR2_MAX_PATH];
693 openr2_log_level_t loglevel;
694 openr2_calling_party_category_t category;
697 /* MFC-R2 pseudo-link structure */
699 pthread_t r2master; /*!< Thread of master */
700 openr2_context_t *protocol_context; /*!< OpenR2 context handle */
701 struct dahdi_pvt *pvts[SIG_MFCR2_MAX_CHANNELS]; /*!< Member channel pvt structs */
702 int numchans; /*!< Number of channels in this R2 block */
703 struct dahdi_mfcr2_conf conf; /*!< Configuration used to setup this pseudo-link */
706 /* malloc'd array of malloc'd r2links */
707 static struct dahdi_mfcr2 **r2links;
708 /* how many r2links have been malloc'd */
709 static int r2links_count = 0;
711 #endif /* HAVE_OPENR2 */
716 int dchannels[SIG_PRI_NUM_DCHANS]; /*!< What channel are the dchannels on */
717 int mastertrunkgroup; /*!< What trunk group is our master */
718 int prilogicalspan; /*!< Logical span number within trunk group */
719 struct sig_pri_span pri;
722 static struct dahdi_pri pris[NUM_SPANS];
724 #if defined(HAVE_PRI_CCSS)
725 /*! DAHDI PRI CCSS agent and monitor type name. */
726 static const char dahdi_pri_cc_type[] = "DAHDI/PRI";
727 #endif /* defined(HAVE_PRI_CCSS) */
730 /*! Shut up the compiler */
734 /* Polarity states */
735 #define POLARITY_IDLE 0
736 #define POLARITY_REV 1
738 const char * const subnames[] = {
744 #define DATA_EXPORT_DAHDI_PVT(MEMBER) \
745 MEMBER(dahdi_pvt, cid_rxgain, AST_DATA_DOUBLE) \
746 MEMBER(dahdi_pvt, rxgain, AST_DATA_DOUBLE) \
747 MEMBER(dahdi_pvt, txgain, AST_DATA_DOUBLE) \
748 MEMBER(dahdi_pvt, txdrc, AST_DATA_DOUBLE) \
749 MEMBER(dahdi_pvt, rxdrc, AST_DATA_DOUBLE) \
750 MEMBER(dahdi_pvt, adsi, AST_DATA_BOOLEAN) \
751 MEMBER(dahdi_pvt, answeronpolarityswitch, AST_DATA_BOOLEAN) \
752 MEMBER(dahdi_pvt, busydetect, AST_DATA_BOOLEAN) \
753 MEMBER(dahdi_pvt, callreturn, AST_DATA_BOOLEAN) \
754 MEMBER(dahdi_pvt, callwaiting, AST_DATA_BOOLEAN) \
755 MEMBER(dahdi_pvt, callwaitingcallerid, AST_DATA_BOOLEAN) \
756 MEMBER(dahdi_pvt, cancallforward, AST_DATA_BOOLEAN) \
757 MEMBER(dahdi_pvt, canpark, AST_DATA_BOOLEAN) \
758 MEMBER(dahdi_pvt, confirmanswer, AST_DATA_BOOLEAN) \
759 MEMBER(dahdi_pvt, destroy, AST_DATA_BOOLEAN) \
760 MEMBER(dahdi_pvt, didtdd, AST_DATA_BOOLEAN) \
761 MEMBER(dahdi_pvt, dialednone, AST_DATA_BOOLEAN) \
762 MEMBER(dahdi_pvt, dialing, AST_DATA_BOOLEAN) \
763 MEMBER(dahdi_pvt, digital, AST_DATA_BOOLEAN) \
764 MEMBER(dahdi_pvt, dnd, AST_DATA_BOOLEAN) \
765 MEMBER(dahdi_pvt, echobreak, AST_DATA_BOOLEAN) \
766 MEMBER(dahdi_pvt, echocanbridged, AST_DATA_BOOLEAN) \
767 MEMBER(dahdi_pvt, echocanon, AST_DATA_BOOLEAN) \
768 MEMBER(dahdi_pvt, faxhandled, AST_DATA_BOOLEAN) \
769 MEMBER(dahdi_pvt, usefaxbuffers, AST_DATA_BOOLEAN) \
770 MEMBER(dahdi_pvt, bufferoverrideinuse, AST_DATA_BOOLEAN) \
771 MEMBER(dahdi_pvt, firstradio, AST_DATA_BOOLEAN) \
772 MEMBER(dahdi_pvt, hanguponpolarityswitch, AST_DATA_BOOLEAN) \
773 MEMBER(dahdi_pvt, hardwaredtmf, AST_DATA_BOOLEAN) \
774 MEMBER(dahdi_pvt, hidecallerid, AST_DATA_BOOLEAN) \
775 MEMBER(dahdi_pvt, hidecalleridname, AST_DATA_BOOLEAN) \
776 MEMBER(dahdi_pvt, ignoredtmf, AST_DATA_BOOLEAN) \
777 MEMBER(dahdi_pvt, immediate, AST_DATA_BOOLEAN) \
778 MEMBER(dahdi_pvt, inalarm, AST_DATA_BOOLEAN) \
779 MEMBER(dahdi_pvt, mate, AST_DATA_BOOLEAN) \
780 MEMBER(dahdi_pvt, outgoing, AST_DATA_BOOLEAN) \
781 MEMBER(dahdi_pvt, permcallwaiting, AST_DATA_BOOLEAN) \
782 MEMBER(dahdi_pvt, priindication_oob, AST_DATA_BOOLEAN) \
783 MEMBER(dahdi_pvt, priexclusive, AST_DATA_BOOLEAN) \
784 MEMBER(dahdi_pvt, pulse, AST_DATA_BOOLEAN) \
785 MEMBER(dahdi_pvt, pulsedial, AST_DATA_BOOLEAN) \
786 MEMBER(dahdi_pvt, restartpending, AST_DATA_BOOLEAN) \
787 MEMBER(dahdi_pvt, restrictcid, AST_DATA_BOOLEAN) \
788 MEMBER(dahdi_pvt, threewaycalling, AST_DATA_BOOLEAN) \
789 MEMBER(dahdi_pvt, transfer, AST_DATA_BOOLEAN) \
790 MEMBER(dahdi_pvt, use_callerid, AST_DATA_BOOLEAN) \
791 MEMBER(dahdi_pvt, use_callingpres, AST_DATA_BOOLEAN) \
792 MEMBER(dahdi_pvt, usedistinctiveringdetection, AST_DATA_BOOLEAN) \
793 MEMBER(dahdi_pvt, dahditrcallerid, AST_DATA_BOOLEAN) \
794 MEMBER(dahdi_pvt, transfertobusy, AST_DATA_BOOLEAN) \
795 MEMBER(dahdi_pvt, mwimonitor_neon, AST_DATA_BOOLEAN) \
796 MEMBER(dahdi_pvt, mwimonitor_fsk, AST_DATA_BOOLEAN) \
797 MEMBER(dahdi_pvt, mwimonitor_rpas, AST_DATA_BOOLEAN) \
798 MEMBER(dahdi_pvt, mwimonitoractive, AST_DATA_BOOLEAN) \
799 MEMBER(dahdi_pvt, mwisendactive, AST_DATA_BOOLEAN) \
800 MEMBER(dahdi_pvt, inservice, AST_DATA_BOOLEAN) \
801 MEMBER(dahdi_pvt, locallyblocked, AST_DATA_UNSIGNED_INTEGER) \
802 MEMBER(dahdi_pvt, remotelyblocked, AST_DATA_UNSIGNED_INTEGER) \
803 MEMBER(dahdi_pvt, manages_span_alarms, AST_DATA_BOOLEAN) \
804 MEMBER(dahdi_pvt, use_smdi, AST_DATA_BOOLEAN) \
805 MEMBER(dahdi_pvt, context, AST_DATA_STRING) \
806 MEMBER(dahdi_pvt, defcontext, AST_DATA_STRING) \
807 MEMBER(dahdi_pvt, description, AST_DATA_STRING) \
808 MEMBER(dahdi_pvt, exten, AST_DATA_STRING) \
809 MEMBER(dahdi_pvt, language, AST_DATA_STRING) \
810 MEMBER(dahdi_pvt, mohinterpret, AST_DATA_STRING) \
811 MEMBER(dahdi_pvt, mohsuggest, AST_DATA_STRING) \
812 MEMBER(dahdi_pvt, parkinglot, AST_DATA_STRING)
814 AST_DATA_STRUCTURE(dahdi_pvt, DATA_EXPORT_DAHDI_PVT);
816 static struct dahdi_pvt *iflist = NULL; /*!< Main interface list start */
817 static struct dahdi_pvt *ifend = NULL; /*!< Main interface list end */
819 #if defined(HAVE_PRI)
821 struct sig_pri_span *pri;
822 AST_LIST_ENTRY(doomed_pri) list;
824 static AST_LIST_HEAD_STATIC(doomed_pris, doomed_pri);
826 static void pri_destroy_span(struct sig_pri_span *pri);
828 static struct dahdi_parms_pseudo {
829 int buf_no; /*!< Number of buffers */
830 int buf_policy; /*!< Buffer policy */
831 int faxbuf_no; /*!< Number of Fax buffers */
832 int faxbuf_policy; /*!< Fax buffer policy */
833 } dahdi_pseudo_parms;
834 #endif /* defined(HAVE_PRI) */
836 /*! \brief Channel configuration from chan_dahdi.conf .
837 * This struct is used for parsing the [channels] section of chan_dahdi.conf.
838 * Generally there is a field here for every possible configuration item.
840 * The state of fields is saved along the parsing and whenever a 'channel'
841 * statement is reached, the current dahdi_chan_conf is used to configure the
842 * channel (struct dahdi_pvt)
844 * \see dahdi_chan_init for the default values.
846 struct dahdi_chan_conf {
847 struct dahdi_pvt chan;
849 struct dahdi_pri pri;
852 #if defined(HAVE_SS7)
853 struct dahdi_ss7 ss7;
854 #endif /* defined(HAVE_SS7) */
857 struct dahdi_mfcr2_conf mfcr2;
859 struct dahdi_params timing;
860 int is_sig_auto; /*!< Use channel signalling from DAHDI? */
861 /*! Continue configuration even if a channel is not there. */
862 int ignore_failed_channels;
865 * \brief The serial port to listen for SMDI data on
866 * \note Set from the "smdiport" string read in from chan_dahdi.conf
868 char smdi_port[SMDI_MAX_FILENAME_LEN];
871 * \brief Don't create channels below this number
872 * \note by default is 0 (no limit)
874 int wanted_channels_start;
877 * \brief Don't create channels above this number (infinity by default)
878 * \note by default is 0 (special value that means "no limit").
880 int wanted_channels_end;
883 /*! returns a new dahdi_chan_conf with default values (by-value) */
884 static struct dahdi_chan_conf dahdi_chan_conf_default(void)
886 /* recall that if a field is not included here it is initialized
889 struct dahdi_chan_conf conf = {
893 .switchtype = PRI_SWITCH_NI2,
894 .dialplan = PRI_UNKNOWN + 1,
895 .localdialplan = PRI_NATIONAL_ISDN + 1,
897 .qsigchannelmapping = DAHDI_CHAN_MAPPING_PHYSICAL,
899 #if defined(HAVE_PRI_CCSS)
900 .cc_ptmp_recall_mode = 1,/* specificRecall */
901 .cc_qsig_signaling_link_req = 1,/* retain */
902 .cc_qsig_signaling_link_rsp = 1,/* retain */
903 #endif /* defined(HAVE_PRI_CCSS) */
908 .internationalprefix = "",
909 .nationalprefix = "",
913 .colp_send = SIG_PRI_COLP_UPDATE,
917 #if defined(HAVE_SS7)
919 .called_nai = SS7_NAI_NATIONAL,
920 .calling_nai = SS7_NAI_NATIONAL,
921 .internationalprefix = "",
922 .nationalprefix = "",
923 .subscriberprefix = "",
925 .networkroutedprefix = ""
927 #endif /* defined(HAVE_SS7) */
930 .variant = OR2_VAR_ITU,
931 .mfback_timeout = -1,
932 .metering_pulse_timeout = -1,
936 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 1
937 .skip_category_request = -1,
940 .allow_collect_calls = 0,
942 .accept_on_offer = 1,
945 .immediate_accept = -1,
946 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 2
948 .dtmf_detection = -1,
949 .dtmf_time_on = OR2_DEFAULT_DTMF_ON,
950 .dtmf_time_off = OR2_DEFAULT_DTMF_OFF,
952 #if defined(OR2_LIB_INTERFACE) && OR2_LIB_INTERFACE > 3
953 .dtmf_end_timeout = -1,
957 .loglevel = OR2_LOG_ERROR | OR2_LOG_WARNING,
958 .category = OR2_CALLING_PARTY_CATEGORY_NATIONAL_SUBSCRIBER
962 .context = "default",
966 .mohinterpret = "default",
971 .cid_signalling = CID_SIG_BELL,
972 .cid_start = CID_START_RING,
973 .dahditrcallerid = 0,
982 .echocancel.head.tap_length = 1,
990 #ifdef HAVE_DAHDI_LINEREVERSE_VMWI
993 .polarityonanswerdelay = 600,
995 .sendcalleridafter = DEFAULT_CIDRINGS,
997 .buf_policy = DAHDI_POLICY_IMMEDIATE,
1000 .cc_params = ast_cc_config_params_init(),
1013 .ignore_failed_channels = 1,
1014 .smdi_port = "/dev/ttyS0",
1021 static struct ast_channel *dahdi_request(const char *type, struct ast_format_cap *cap,
1022 const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor,
1023 const char *data, int *cause);
1024 static int dahdi_digit_begin(struct ast_channel *ast, char digit);
1025 static int dahdi_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
1026 static int dahdi_sendtext(struct ast_channel *c, const char *text);
1027 static int dahdi_call(struct ast_channel *ast, const char *rdest, int timeout);
1028 static int dahdi_hangup(struct ast_channel *ast);
1029 static int dahdi_answer(struct ast_channel *ast);
1030 static struct ast_frame *dahdi_read(struct ast_channel *ast);
1031 static int dahdi_write(struct ast_channel *ast, struct ast_frame *frame);
1032 static struct ast_frame *dahdi_exception(struct ast_channel *ast);
1033 static int dahdi_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
1034 static int dahdi_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1035 static int dahdi_setoption(struct ast_channel *chan, int option, void *data, int datalen);
1036 static int dahdi_queryoption(struct ast_channel *chan, int option, void *data, int *datalen);
1037 static int dahdi_func_read(struct ast_channel *chan, const char *function, char *data, char *buf, size_t len);
1038 static int dahdi_func_write(struct ast_channel *chan, const char *function, char *data, const char *value);
1039 static int dahdi_devicestate(const char *data);
1040 static int dahdi_cc_callback(struct ast_channel *inbound, const char *dest, ast_cc_callback_fn callback);
1042 static struct ast_channel_tech dahdi_tech = {
1044 .description = tdesc,
1045 .requester = dahdi_request,
1046 .send_digit_begin = dahdi_digit_begin,
1047 .send_digit_end = dahdi_digit_end,
1048 .send_text = dahdi_sendtext,
1050 .hangup = dahdi_hangup,
1051 .answer = dahdi_answer,
1053 .write = dahdi_write,
1054 .exception = dahdi_exception,
1055 .indicate = dahdi_indicate,
1056 .fixup = dahdi_fixup,
1057 .setoption = dahdi_setoption,
1058 .queryoption = dahdi_queryoption,
1059 .func_channel_read = dahdi_func_read,
1060 .func_channel_write = dahdi_func_write,
1061 .devicestate = dahdi_devicestate,
1062 .cc_callback = dahdi_cc_callback,
1065 #define GET_CHANNEL(p) ((p)->channel)
1067 static enum analog_sigtype dahdisig_to_analogsig(int sig)
1071 return ANALOG_SIG_FXOLS;
1073 return ANALOG_SIG_FXOGS;
1075 return ANALOG_SIG_FXOKS;
1077 return ANALOG_SIG_FXSLS;
1079 return ANALOG_SIG_FXSGS;
1081 return ANALOG_SIG_FXSKS;
1083 return ANALOG_SIG_EMWINK;
1085 return ANALOG_SIG_EM;
1087 return ANALOG_SIG_EM_E1;
1089 return ANALOG_SIG_FEATD;
1091 return ANALOG_SIG_FEATDMF;
1095 return ANALOG_SIG_FGC_CAMA;
1096 case SIG_FGC_CAMAMF:
1097 return ANALOG_SIG_FGC_CAMAMF;
1099 return ANALOG_SIG_FEATB;
1101 return ANALOG_SIG_SFWINK;
1103 return ANALOG_SIG_SF;
1105 return ANALOG_SIG_SF_FEATD;
1106 case SIG_SF_FEATDMF:
1107 return ANALOG_SIG_SF_FEATDMF;
1108 case SIG_FEATDMF_TA:
1109 return ANALOG_SIG_FEATDMF_TA;
1111 return ANALOG_SIG_FEATB;
1118 static int analog_tone_to_dahditone(enum analog_tone tone)
1121 case ANALOG_TONE_RINGTONE:
1122 return DAHDI_TONE_RINGTONE;
1123 case ANALOG_TONE_STUTTER:
1124 return DAHDI_TONE_STUTTER;
1125 case ANALOG_TONE_CONGESTION:
1126 return DAHDI_TONE_CONGESTION;
1127 case ANALOG_TONE_DIALTONE:
1128 return DAHDI_TONE_DIALTONE;
1129 case ANALOG_TONE_DIALRECALL:
1130 return DAHDI_TONE_DIALRECALL;
1131 case ANALOG_TONE_INFO:
1132 return DAHDI_TONE_INFO;
1138 static int analogsub_to_dahdisub(enum analog_sub analogsub)
1142 switch (analogsub) {
1143 case ANALOG_SUB_REAL:
1146 case ANALOG_SUB_CALLWAIT:
1147 index = SUB_CALLWAIT;
1149 case ANALOG_SUB_THREEWAY:
1150 index = SUB_THREEWAY;
1153 ast_log(LOG_ERROR, "Unidentified sub!\n");
1162 * \brief release all members on the doomed pris list
1165 * Called priodically by the monitor threads to release spans marked for
1168 static void release_doomed_pris(void)
1171 struct doomed_pri *entry;
1173 AST_LIST_LOCK(&doomed_pris);
1174 while ((entry = AST_LIST_REMOVE_HEAD(&doomed_pris, list))) {
1175 /* The span destruction must be done with this lock not held */
1176 AST_LIST_UNLOCK(&doomed_pris);
1177 ast_debug(4, "Destroying span %d from doomed queue.\n",
1179 pri_destroy_span(entry->pri);
1181 AST_LIST_LOCK(&doomed_pris);
1183 AST_LIST_UNLOCK(&doomed_pris);
1189 * \brief Queue a span for destruction
1192 * \param pri the span to destroy
1194 * Add a span to the list of spans to be destroyed later on
1195 * by the monitor thread. Allows destroying a span while holding its
1198 static void pri_queue_for_destruction(struct sig_pri_span *pri)
1200 struct doomed_pri *entry;
1202 AST_LIST_LOCK(&doomed_pris);
1203 AST_LIST_TRAVERSE(&doomed_pris, entry, list) {
1204 if (entry->pri == pri) {
1205 AST_LIST_UNLOCK(&doomed_pris);
1209 entry = ast_calloc(sizeof(struct doomed_pri), 1);
1211 /* Nothing useful to do here. Panic? */
1212 ast_log(LOG_WARNING, "Failed allocating memory for a doomed_pri.\n");
1213 AST_LIST_UNLOCK(&doomed_pris);
1217 ast_debug(4, "Queue span %d for destruction.\n", pri->span);
1218 AST_LIST_INSERT_TAIL(&doomed_pris, entry, list);
1219 AST_LIST_UNLOCK(&doomed_pris);
1225 * \brief Send a dial string to DAHDI.
1228 * \param pvt DAHDI private pointer
1229 * \param operation DAHDI dial operation to do to string
1230 * \param dial_str Dial string to send
1232 * \retval 0 on success.
1233 * \retval non-zero on error.
1235 static int dahdi_dial_str(struct dahdi_pvt *pvt, int operation, const char *dial_str)
1240 struct dahdi_dialoperation zo = {
1244 /* Convert the W's to ww. */
1246 for (offset = 0; offset < sizeof(zo.dialstr) - 1; ++offset) {
1251 /* Convert 'W' to "ww" */
1253 if (offset >= sizeof(zo.dialstr) - 3) {
1254 /* No room to expand */
1257 zo.dialstr[offset] = 'w';
1259 zo.dialstr[offset] = 'w';
1262 zo.dialstr[offset] = *pos++;
1264 /* The zo initialization has already terminated the dialstr. */
1266 ast_debug(1, "Channel %d: Dial str '%s' expanded to '%s' sent to DAHDI_DIAL.\n",
1267 pvt->channel, dial_str, zo.dialstr);
1268 res = ioctl(pvt->subs[SUB_REAL].dfd, DAHDI_DIAL, &zo);
1270 ast_log(LOG_WARNING, "Channel %d: Couldn't dial '%s': %s\n",
1271 pvt->channel, dial_str, strerror(errno));
1277 static enum analog_event dahdievent_to_analogevent(int event);
1278 static int bump_gains(struct dahdi_pvt *p);
1279 static int dahdi_setlinear(int dfd, int linear);
1281 static int my_start_cid_detect(void *pvt, int cid_signalling)
1283 struct dahdi_pvt *p = pvt;
1284 int index = SUB_REAL;
1285 p->cs = callerid_new(cid_signalling);
1287 ast_log(LOG_ERROR, "Unable to alloc callerid\n");
1291 dahdi_setlinear(p->subs[index].dfd, 0);
1296 static int restore_gains(struct dahdi_pvt *p);
1298 static int my_stop_cid_detect(void *pvt)
1300 struct dahdi_pvt *p = pvt;
1301 int index = SUB_REAL;
1304 callerid_free(p->cs);
1307 /* Restore linear mode after Caller*ID processing */
1308 dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear);
1314 static int my_get_callerid(void *pvt, char *namebuf, char *numbuf, enum analog_event *ev, size_t timeout)
1316 struct dahdi_pvt *p = pvt;
1317 struct analog_pvt *analog_p = p->sig_pvt;
1318 struct pollfd poller;
1320 int index = SUB_REAL;
1322 unsigned char buf[256];
1325 poller.fd = p->subs[SUB_REAL].dfd;
1326 poller.events = POLLPRI | POLLIN;
1329 res = poll(&poller, 1, timeout);
1331 if (poller.revents & POLLPRI) {
1332 *ev = dahdievent_to_analogevent(dahdi_get_event(p->subs[SUB_REAL].dfd));
1336 if (poller.revents & POLLIN) {
1338 /* Change API: remove cid_signalling from get_callerid, add a new start_cid_detect and stop_cid_detect function
1339 * to enable slin mode and allocate cid detector. get_callerid should be able to be called any number of times until
1340 * either a timeout occurs or CID is detected (returns 0). returning 1 should be event received, and -1 should be
1341 * a failure and die, and returning 2 means no event was received. */
1342 res = read(p->subs[index].dfd, buf, sizeof(buf));
1344 ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno));
1348 if (analog_p->ringt > 0) {
1349 if (!(--analog_p->ringt)) {
1350 /* only return if we timeout from a ring event */
1355 if (p->cid_signalling == CID_SIG_V23_JP) {
1356 res = callerid_feed_jp(p->cs, buf, res, AST_LAW(p));
1358 res = callerid_feed(p->cs, buf, res, AST_LAW(p));
1362 * The previous diagnostic message output likely
1363 * explains why it failed.
1365 ast_log(LOG_WARNING, "Failed to decode CallerID\n");
1370 callerid_get(p->cs, &name, &num, &flags);
1372 ast_copy_string(namebuf, name, ANALOG_MAX_CID);
1374 ast_copy_string(numbuf, num, ANALOG_MAX_CID);
1376 ast_debug(1, "CallerID number: %s, name: %s, flags=%d\n", num, name, flags);
1381 *ev = ANALOG_EVENT_NONE;
1385 static const char *event2str(int event);
1387 static int my_distinctive_ring(struct ast_channel *chan, void *pvt, int idx, int *ringdata)
1389 unsigned char buf[256];
1391 int curRingData[RING_PATTERNS];
1397 int checkaftercid = 0;
1398 const char *matched_context;
1399 struct dahdi_pvt *p = pvt;
1400 struct analog_pvt *analog_p = p->sig_pvt;
1402 if (ringdata == NULL) {
1403 ringdata = curRingData;
1408 /* We must have a ring by now so lets try to listen for distinctive ringing */
1409 if ((checkaftercid && distinctiveringaftercid) || !checkaftercid) {
1410 /* Clear the current ring data array so we don't have old data in it. */
1411 for (receivedRingT = 0; receivedRingT < RING_PATTERNS; receivedRingT++)
1412 ringdata[receivedRingT] = 0;
1415 if (checkaftercid && distinctiveringaftercid) {
1416 ast_verb(3, "Detecting post-CID distinctive ring\n");
1420 i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT;
1421 res = ioctl(p->subs[idx].dfd, DAHDI_IOMUX, &i);
1423 ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno));
1427 if (i & DAHDI_IOMUX_SIGEVENT) {
1428 res = dahdi_get_event(p->subs[idx].dfd);
1429 ast_debug(3, "Got event %d (%s)...\n", res, event2str(res));
1430 if (res == DAHDI_EVENT_NOALARM) {
1432 analog_p->inalarm = 0;
1433 } else if (res == DAHDI_EVENT_RINGOFFHOOK) {
1434 /* Let us detect distinctive ring */
1435 ringdata[receivedRingT] = analog_p->ringt;
1437 if (analog_p->ringt < analog_p->ringt_base / 2) {
1440 /* Increment the ringT counter so we can match it against
1441 values in chan_dahdi.conf for distinctive ring */
1442 if (++receivedRingT == RING_PATTERNS) {
1446 } else if (i & DAHDI_IOMUX_READ) {
1447 res = read(p->subs[idx].dfd, buf, sizeof(buf));
1449 if (errno != ELAST) {
1450 ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno));
1456 if (analog_p->ringt > 0) {
1457 if (!(--analog_p->ringt)) {
1465 /* Check to see if the rings we received match any of the ones in chan_dahdi.conf for this channel */
1466 ast_verb(3, "Detected ring pattern: %d,%d,%d\n", ringdata[0], ringdata[1], ringdata[2]);
1467 matched_context = p->defcontext;
1468 for (counter = 0; counter < 3; counter++) {
1469 int range = p->drings.ringnum[counter].range;
1472 ast_verb(3, "Checking %d,%d,%d with +/- %d range\n",
1473 p->drings.ringnum[counter].ring[0],
1474 p->drings.ringnum[counter].ring[1],
1475 p->drings.ringnum[counter].ring[2],
1477 for (counter1 = 0; counter1 < 3; counter1++) {
1478 int ring = p->drings.ringnum[counter].ring[counter1];
1481 ast_verb(3, "Pattern ignore (-1) detected, so matching pattern %d regardless.\n",
1482 ringdata[counter1]);
1484 } else if (ring - range <= ringdata[counter1] && ringdata[counter1] <= ring + range) {
1485 ast_verb(3, "Ring pattern %d is in range: %d to %d\n",
1486 ringdata[counter1], ring - range, ring + range);
1489 /* The current dring pattern cannot match. */
1494 if (distMatches == 3) {
1495 /* The ring matches, set the context to whatever is for distinctive ring.. */
1496 matched_context = S_OR(p->drings.ringContext[counter].contextData, p->defcontext);
1497 ast_verb(3, "Matched Distinctive Ring context %s\n", matched_context);
1502 /* Set selected distinctive ring context if not already set. */
1503 if (strcmp(p->context, matched_context) != 0) {
1504 ast_copy_string(p->context, matched_context, sizeof(p->context));
1505 ast_channel_context_set(chan, matched_context);
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, 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, 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 ast_callid callid = 0;
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 ast_callid callid = 0;
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 ast_callid callid = 0;
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;