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3440 lines
111 KiB
3440 lines
111 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2008, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Routines implementing call features as call pickup, parking and transfer
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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/*** MODULEINFO
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<depend>chan_local</depend>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/_private.h"
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#include <pthread.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <netinet/in.h>
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/causes.h"
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#include "asterisk/module.h"
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#include "asterisk/translate.h"
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#include "asterisk/app.h"
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#include "asterisk/say.h"
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#include "asterisk/features.h"
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#include "asterisk/musiconhold.h"
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#include "asterisk/config.h"
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#include "asterisk/cli.h"
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#include "asterisk/manager.h"
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#include "asterisk/utils.h"
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#include "asterisk/adsi.h"
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#include "asterisk/devicestate.h"
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#include "asterisk/monitor.h"
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#include "asterisk/audiohook.h"
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#define DEFAULT_PARK_TIME 45000
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#define DEFAULT_TRANSFER_DIGIT_TIMEOUT 3000
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#define DEFAULT_FEATURE_DIGIT_TIMEOUT 500
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#define DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER 15000
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#define DEFAULT_ATXFER_DROP_CALL 0
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#define DEFAULT_ATXFER_LOOP_DELAY 10000
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#define DEFAULT_ATXFER_CALLBACK_RETRIES 2
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#define AST_MAX_WATCHERS 256
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enum {
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AST_FEATURE_FLAG_NEEDSDTMF = (1 << 0),
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AST_FEATURE_FLAG_ONPEER = (1 << 1),
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AST_FEATURE_FLAG_ONSELF = (1 << 2),
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AST_FEATURE_FLAG_BYCALLEE = (1 << 3),
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AST_FEATURE_FLAG_BYCALLER = (1 << 4),
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AST_FEATURE_FLAG_BYBOTH = (3 << 3),
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};
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struct feature_group_exten {
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AST_LIST_ENTRY(feature_group_exten) entry;
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AST_DECLARE_STRING_FIELDS(
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AST_STRING_FIELD(exten);
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);
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struct ast_call_feature *feature;
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};
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struct feature_group {
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AST_LIST_ENTRY(feature_group) entry;
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AST_DECLARE_STRING_FIELDS(
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AST_STRING_FIELD(gname);
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);
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AST_LIST_HEAD_NOLOCK(, feature_group_exten) features;
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};
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static AST_RWLIST_HEAD_STATIC(feature_groups, feature_group);
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static char *parkedcall = "ParkedCall";
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static int parkaddhints = 0; /*!< Add parking hints automatically */
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static int parkedcalltransfers = 0; /*!< Enable DTMF based transfers on bridge when picking up parked calls */
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static int parkedcallreparking = 0; /*!< Enable DTMF based parking on bridge when picking up parked calls */
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static int parkingtime = DEFAULT_PARK_TIME; /*!< No more than 45 seconds parked before you do something with them */
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static char parking_con[AST_MAX_EXTENSION]; /*!< Context for which parking is made accessible */
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static char parking_con_dial[AST_MAX_EXTENSION]; /*!< Context for dialback for parking (KLUDGE) */
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static char parking_ext[AST_MAX_EXTENSION]; /*!< Extension you type to park the call */
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static char pickup_ext[AST_MAX_EXTENSION]; /*!< Call pickup extension */
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static char parkmohclass[MAX_MUSICCLASS]; /*!< Music class used for parking */
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static int parking_start; /*!< First available extension for parking */
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static int parking_stop; /*!< Last available extension for parking */
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static char courtesytone[256]; /*!< Courtesy tone */
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static int parkedplay = 0; /*!< Who to play the courtesy tone to */
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static char xfersound[256]; /*!< Call transfer sound */
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static char xferfailsound[256]; /*!< Call transfer failure sound */
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static int parking_offset;
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static int parkfindnext;
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static int adsipark;
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static int transferdigittimeout;
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static int featuredigittimeout;
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static int comebacktoorigin = 1;
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static int atxfernoanswertimeout;
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static unsigned int atxferdropcall;
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static unsigned int atxferloopdelay;
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static unsigned int atxfercallbackretries;
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static char *registrar = "features"; /*!< Registrar for operations */
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/* module and CLI command definitions */
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static char *synopsis = "Answer a parked call";
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static char *descrip = "ParkedCall(exten): "
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"Used to connect to a parked call. This application is always\n"
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"registered internally and does not need to be explicitly added\n"
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"into the dialplan, although you should include the 'parkedcalls'\n"
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"context. If no extension is provided, then the first available\n"
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"parked call will be acquired.\n";
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static char *parkcall = "Park";
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static char *synopsis2 = "Park yourself";
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static char *descrip2 = "Park(): "
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"Used to park yourself (typically in combination with a supervised\n"
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"transfer to know the parking space). This application is always\n"
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"registered internally and does not need to be explicitly added\n"
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"into the dialplan, although you should include the 'parkedcalls'\n"
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"context (or the context specified in features.conf).\n\n"
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"If you set the PARKINGEXTEN variable to an extension in your\n"
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"parking context, Park() will park the call on that extension, unless\n"
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"it already exists. In that case, execution will continue at next\n"
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"priority.\n" ;
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static struct ast_app *monitor_app = NULL;
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static int monitor_ok = 1;
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static struct ast_app *mixmonitor_app = NULL;
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static int mixmonitor_ok = 1;
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static struct ast_app *stopmixmonitor_app = NULL;
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static int stopmixmonitor_ok = 1;
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struct parkeduser {
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struct ast_channel *chan; /*!< Parking channel */
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struct timeval start; /*!< Time the parking started */
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int parkingnum; /*!< Parking lot */
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char parkingexten[AST_MAX_EXTENSION]; /*!< If set beforehand, parking extension used for this call */
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char context[AST_MAX_CONTEXT]; /*!< Where to go if our parking time expires */
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char exten[AST_MAX_EXTENSION];
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int priority;
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int parkingtime; /*!< Maximum length in parking lot before return */
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int notquiteyet;
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char peername[1024];
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unsigned char moh_trys;
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AST_LIST_ENTRY(parkeduser) list;
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};
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static AST_LIST_HEAD_STATIC(parkinglot, parkeduser);
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static pthread_t parking_thread;
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const char *ast_parking_ext(void)
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{
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return parking_ext;
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}
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const char *ast_pickup_ext(void)
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{
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return pickup_ext;
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}
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struct ast_bridge_thread_obj
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{
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struct ast_bridge_config bconfig;
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struct ast_channel *chan;
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struct ast_channel *peer;
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unsigned int return_to_pbx:1;
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};
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/*!
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* \brief store context, extension and priority
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* \param chan, context, ext, pri
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*/
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static void set_c_e_p(struct ast_channel *chan, const char *context, const char *ext, int pri)
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{
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ast_copy_string(chan->context, context, sizeof(chan->context));
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ast_copy_string(chan->exten, ext, sizeof(chan->exten));
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chan->priority = pri;
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}
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/*!
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* \brief Check goto on transfer
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* \param chan
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*
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* Check if channel has 'GOTO_ON_BLINDXFR' set, if not exit.
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* When found make sure the types are compatible. Check if channel is valid
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* if so start the new channel else hangup the call.
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*/
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static void check_goto_on_transfer(struct ast_channel *chan)
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{
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struct ast_channel *xferchan;
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const char *val = pbx_builtin_getvar_helper(chan, "GOTO_ON_BLINDXFR");
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char *x, *goto_on_transfer;
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struct ast_frame *f;
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if (ast_strlen_zero(val))
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return;
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goto_on_transfer = ast_strdupa(val);
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if (!(xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, chan->name)))
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return;
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for (x = goto_on_transfer; x && *x; x++) {
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if (*x == '^')
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*x = '|';
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}
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/* Make formats okay */
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xferchan->readformat = chan->readformat;
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xferchan->writeformat = chan->writeformat;
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ast_channel_masquerade(xferchan, chan);
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ast_parseable_goto(xferchan, goto_on_transfer);
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xferchan->_state = AST_STATE_UP;
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ast_clear_flag(xferchan, AST_FLAGS_ALL);
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xferchan->_softhangup = 0;
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if ((f = ast_read(xferchan))) {
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ast_frfree(f);
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f = NULL;
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ast_pbx_start(xferchan);
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} else {
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ast_hangup(xferchan);
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}
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}
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static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *caller, struct ast_channel *transferee, const char *type, int format, void *data, int timeout, int *outstate, const char *cid_num, const char *cid_name, int igncallerstate);
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/*!
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* \brief bridge the call
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* \param data thread bridge.
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*
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* Set Last Data for respective channels, reset cdr for channels
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* bridge call, check if we're going back to dialplan
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* if not hangup both legs of the call
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*/
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static void *ast_bridge_call_thread(void *data)
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{
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struct ast_bridge_thread_obj *tobj = data;
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int res;
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tobj->chan->appl = !tobj->return_to_pbx ? "Transferred Call" : "ManagerBridge";
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tobj->chan->data = tobj->peer->name;
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tobj->peer->appl = !tobj->return_to_pbx ? "Transferred Call" : "ManagerBridge";
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tobj->peer->data = tobj->chan->name;
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if (tobj->chan->cdr) {
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ast_cdr_reset(tobj->chan->cdr, NULL);
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ast_cdr_setdestchan(tobj->chan->cdr, tobj->peer->name);
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}
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if (tobj->peer->cdr) {
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ast_cdr_reset(tobj->peer->cdr, NULL);
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ast_cdr_setdestchan(tobj->peer->cdr, tobj->chan->name);
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}
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ast_bridge_call(tobj->peer, tobj->chan, &tobj->bconfig);
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if (tobj->return_to_pbx) {
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if (!ast_check_hangup(tobj->peer)) {
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ast_log(LOG_VERBOSE, "putting peer %s into PBX again\n", tobj->peer->name);
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res = ast_pbx_start(tobj->peer);
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if (res != AST_PBX_SUCCESS)
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ast_log(LOG_WARNING, "FAILED continuing PBX on peer %s\n", tobj->peer->name);
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} else
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ast_hangup(tobj->peer);
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if (!ast_check_hangup(tobj->chan)) {
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ast_log(LOG_VERBOSE, "putting chan %s into PBX again\n", tobj->chan->name);
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res = ast_pbx_start(tobj->chan);
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if (res != AST_PBX_SUCCESS)
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ast_log(LOG_WARNING, "FAILED continuing PBX on chan %s\n", tobj->chan->name);
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} else
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ast_hangup(tobj->chan);
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} else {
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ast_hangup(tobj->chan);
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ast_hangup(tobj->peer);
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}
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ast_free(tobj);
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return NULL;
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}
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/*!
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* \brief create thread for the parked call
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* \param data
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*
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* Create thread and attributes, call ast_bridge_call_thread
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*/
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static void ast_bridge_call_thread_launch(void *data)
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{
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pthread_t thread;
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pthread_attr_t attr;
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struct sched_param sched;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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ast_pthread_create(&thread, &attr,ast_bridge_call_thread, data);
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pthread_attr_destroy(&attr);
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memset(&sched, 0, sizeof(sched));
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pthread_setschedparam(thread, SCHED_RR, &sched);
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}
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/*!
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* \brief Announce call parking by ADSI
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* \param chan .
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* \param parkingexten .
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* Create message to show for ADSI, display message.
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* \retval 0 on success.
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* \retval -1 on failure.
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*/
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static int adsi_announce_park(struct ast_channel *chan, char *parkingexten)
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{
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int res;
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int justify[5] = {ADSI_JUST_CENT, ADSI_JUST_CENT, ADSI_JUST_CENT, ADSI_JUST_CENT};
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char tmp[256];
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char *message[5] = {NULL, NULL, NULL, NULL, NULL};
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snprintf(tmp, sizeof(tmp), "Parked on %s", parkingexten);
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message[0] = tmp;
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res = ast_adsi_load_session(chan, NULL, 0, 1);
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if (res == -1)
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return res;
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return ast_adsi_print(chan, message, justify, 1);
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}
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/*! \brief Notify metermaids that we've changed an extension */
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static void notify_metermaids(const char *exten, char *context, enum ast_device_state state)
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{
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ast_debug(4, "Notification of state change to metermaids %s@%s\n to state '%s'",
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exten, context, devstate2str(state));
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ast_devstate_changed(state, "park:%s@%s", exten, context);
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}
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/*! \brief metermaids callback from devicestate.c */
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static enum ast_device_state metermaidstate(const char *data)
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{
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char *context;
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char *exten;
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context = ast_strdupa(data);
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exten = strsep(&context, "@");
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if (!context)
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return AST_DEVICE_INVALID;
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ast_debug(4, "Checking state of exten %s in context %s\n", exten, context);
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if (!ast_exists_extension(NULL, context, exten, 1, NULL))
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return AST_DEVICE_NOT_INUSE;
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return AST_DEVICE_INUSE;
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}
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/* Park a call */
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static int park_call_full(struct ast_channel *chan, struct ast_channel *peer, int timeout, int *extout, char *orig_chan_name)
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{
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struct parkeduser *pu, *cur;
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int i, x = -1, parking_range;
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struct ast_context *con;
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const char *parkingexten;
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/* Allocate memory for parking data */
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if (!(pu = ast_calloc(1, sizeof(*pu))))
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return -1;
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/* Lock parking lot */
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AST_LIST_LOCK(&parkinglot);
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/* Check for channel variable PARKINGEXTEN */
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parkingexten = pbx_builtin_getvar_helper(chan, "PARKINGEXTEN");
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if (!ast_strlen_zero(parkingexten)) {
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if (ast_exists_extension(NULL, parking_con, parkingexten, 1, NULL)) {
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AST_LIST_UNLOCK(&parkinglot);
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ast_free(pu);
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ast_log(LOG_WARNING, "Requested parking extension already exists: %s@%s\n", parkingexten, parking_con);
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return 1; /* Continue execution if possible */
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}
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ast_copy_string(pu->parkingexten, parkingexten, sizeof(pu->parkingexten));
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x = atoi(parkingexten);
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} else {
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/* Select parking space within range */
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parking_range = parking_stop - parking_start+1;
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for (i = 0; i < parking_range; i++) {
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x = (i + parking_offset) % parking_range + parking_start;
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AST_LIST_TRAVERSE(&parkinglot, cur, list) {
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if (cur->parkingnum == x)
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break;
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}
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if (!cur)
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break;
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}
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|
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if (!(i < parking_range)) {
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ast_log(LOG_WARNING, "No more parking spaces\n");
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ast_free(pu);
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AST_LIST_UNLOCK(&parkinglot);
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return -1;
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}
|
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/* Set pointer for next parking */
|
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if (parkfindnext)
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parking_offset = x - parking_start + 1;
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}
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chan->appl = "Parked Call";
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chan->data = NULL;
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pu->chan = chan;
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/* Put the parked channel on hold if we have two different channels */
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if (chan != peer) {
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ast_indicate_data(pu->chan, AST_CONTROL_HOLD,
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S_OR(parkmohclass, NULL),
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!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
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}
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pu->start = ast_tvnow();
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pu->parkingnum = x;
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pu->parkingtime = (timeout > 0) ? timeout : parkingtime;
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if (extout)
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*extout = x;
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if (peer)
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ast_copy_string(pu->peername, peer->name, sizeof(pu->peername));
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/* Remember what had been dialed, so that if the parking
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expires, we try to come back to the same place */
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ast_copy_string(pu->context, S_OR(chan->macrocontext, chan->context), sizeof(pu->context));
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ast_copy_string(pu->exten, S_OR(chan->macroexten, chan->exten), sizeof(pu->exten));
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pu->priority = chan->macropriority ? chan->macropriority : chan->priority;
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AST_LIST_INSERT_TAIL(&parkinglot, pu, list);
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|
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/* If parking a channel directly, don't quiet yet get parking running on it */
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if (peer == chan)
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pu->notquiteyet = 1;
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AST_LIST_UNLOCK(&parkinglot);
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/* Wake up the (presumably select()ing) thread */
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pthread_kill(parking_thread, SIGURG);
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ast_verb(2, "Parked %s on %d@%s. Will timeout back to extension [%s] %s, %d in %d seconds\n", pu->chan->name, pu->parkingnum, parking_con, pu->context, pu->exten, pu->priority, (pu->parkingtime/1000));
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|
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if (pu->parkingnum != -1)
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snprintf(pu->parkingexten, sizeof(pu->parkingexten), "%d", x);
|
|
manager_event(EVENT_FLAG_CALL, "ParkedCall",
|
|
"Exten: %s\r\n"
|
|
"Channel: %s\r\n"
|
|
"From: %s\r\n"
|
|
"Timeout: %ld\r\n"
|
|
"CallerIDNum: %s\r\n"
|
|
"CallerIDName: %s\r\n",
|
|
pu->parkingexten, pu->chan->name, peer ? peer->name : "",
|
|
(long)pu->start.tv_sec + (long)(pu->parkingtime/1000) - (long)time(NULL),
|
|
S_OR(pu->chan->cid.cid_num, "<unknown>"),
|
|
S_OR(pu->chan->cid.cid_name, "<unknown>")
|
|
);
|
|
|
|
if (peer && adsipark && ast_adsi_available(peer)) {
|
|
adsi_announce_park(peer, pu->parkingexten); /* Only supports parking numbers */
|
|
ast_adsi_unload_session(peer);
|
|
}
|
|
|
|
con = ast_context_find(parking_con);
|
|
if (!con)
|
|
con = ast_context_create(NULL, parking_con, registrar);
|
|
if (!con) /* Still no context? Bad */
|
|
ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
|
|
/* Tell the peer channel the number of the parking space */
|
|
if (peer && ((pu->parkingnum != -1 && ast_strlen_zero(orig_chan_name)) || !strcasecmp(peer->name, orig_chan_name))) { /* Only say number if it's a number and the channel hasn't been masqueraded away */
|
|
/* Make sure we don't start saying digits to the channel being parked */
|
|
ast_set_flag(peer, AST_FLAG_MASQ_NOSTREAM);
|
|
ast_say_digits(peer, pu->parkingnum, "", peer->language);
|
|
ast_clear_flag(peer, AST_FLAG_MASQ_NOSTREAM);
|
|
}
|
|
if (con) {
|
|
if (!ast_add_extension2(con, 1, pu->parkingexten, 1, NULL, NULL, parkedcall, ast_strdup(pu->parkingexten), ast_free_ptr, registrar))
|
|
notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_INUSE);
|
|
}
|
|
if (pu->notquiteyet) {
|
|
/* Wake up parking thread if we're really done */
|
|
ast_indicate_data(pu->chan, AST_CONTROL_HOLD,
|
|
S_OR(parkmohclass, NULL),
|
|
!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
|
|
pu->notquiteyet = 0;
|
|
pthread_kill(parking_thread, SIGURG);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief Park a call */
|
|
int ast_park_call(struct ast_channel *chan, struct ast_channel *peer, int timeout, int *extout)
|
|
{
|
|
return park_call_full(chan, peer, timeout, extout, NULL);
|
|
}
|
|
|
|
/* Park call via masquraded channel */
|
|
int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
|
|
{
|
|
struct ast_channel *chan;
|
|
struct ast_frame *f;
|
|
|
|
/* Make a new, fake channel that we'll use to masquerade in the real one */
|
|
if (!(chan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, rchan->accountcode, rchan->exten, rchan->context, rchan->amaflags, "Parked/%s",rchan->name))) {
|
|
ast_log(LOG_WARNING, "Unable to create parked channel\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Make formats okay */
|
|
chan->readformat = rchan->readformat;
|
|
chan->writeformat = rchan->writeformat;
|
|
ast_channel_masquerade(chan, rchan);
|
|
|
|
/* Setup the extensions and such */
|
|
set_c_e_p(chan, rchan->context, rchan->exten, rchan->priority);
|
|
|
|
/* Make the masq execute */
|
|
f = ast_read(chan);
|
|
if (f)
|
|
ast_frfree(f);
|
|
|
|
ast_park_call(chan, peer, timeout, extout);
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define FEATURE_RETURN_HANGUP -1
|
|
#define FEATURE_RETURN_SUCCESSBREAK 0
|
|
#define FEATURE_RETURN_PBX_KEEPALIVE AST_PBX_KEEPALIVE
|
|
#define FEATURE_RETURN_NO_HANGUP_PEER AST_PBX_NO_HANGUP_PEER
|
|
#define FEATURE_RETURN_PASSDIGITS 21
|
|
#define FEATURE_RETURN_STOREDIGITS 22
|
|
#define FEATURE_RETURN_SUCCESS 23
|
|
#define FEATURE_RETURN_KEEPTRYING 24
|
|
|
|
#define FEATURE_SENSE_CHAN (1 << 0)
|
|
#define FEATURE_SENSE_PEER (1 << 1)
|
|
|
|
/*!
|
|
* \brief set caller and callee according to the direction
|
|
* \param caller, callee, peer, chan, sense
|
|
*
|
|
* Detect who triggered feature and set callee/caller variables accordingly
|
|
*/
|
|
static void set_peers(struct ast_channel **caller, struct ast_channel **callee,
|
|
struct ast_channel *peer, struct ast_channel *chan, int sense)
|
|
{
|
|
if (sense == FEATURE_SENSE_PEER) {
|
|
*caller = peer;
|
|
*callee = chan;
|
|
} else {
|
|
*callee = peer;
|
|
*caller = chan;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief support routing for one touch call parking
|
|
* \param chan channel parking call
|
|
* \param peer channel to be parked
|
|
* \param config unsed
|
|
* \param code unused
|
|
* \param sense feature options
|
|
*
|
|
* \param data
|
|
* Setup channel, set return exten,priority to 's,1'
|
|
* answer chan, sleep chan, park call
|
|
*/
|
|
static int builtin_parkcall(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
struct ast_channel *parker;
|
|
struct ast_channel *parkee;
|
|
int res = 0;
|
|
|
|
set_peers(&parker, &parkee, peer, chan, sense);
|
|
/* Setup the exten/priority to be s/1 since we don't know
|
|
where this call should return */
|
|
strcpy(chan->exten, "s");
|
|
chan->priority = 1;
|
|
if (chan->_state != AST_STATE_UP)
|
|
res = ast_answer(chan);
|
|
if (!res)
|
|
res = ast_safe_sleep(chan, 1000);
|
|
if (!res)
|
|
res = ast_park_call(parkee, parker, 0, NULL);
|
|
|
|
if (!res) {
|
|
if (sense == FEATURE_SENSE_CHAN)
|
|
res = AST_PBX_NO_HANGUP_PEER;
|
|
else
|
|
res = AST_PBX_KEEPALIVE;
|
|
}
|
|
return res;
|
|
|
|
}
|
|
|
|
/*!
|
|
* \brief Monitor a channel by DTMF
|
|
* \param chan channel requesting monitor
|
|
* \param peer channel to be monitored
|
|
* \param config
|
|
* \param code
|
|
* \param sense feature options
|
|
*
|
|
* \param data
|
|
* Check monitor app enabled, setup channels, both caller/callee chans not null
|
|
* get TOUCH_MONITOR variable for filename if exists, exec monitor app.
|
|
* \retval FEATURE_RETURN_SUCCESS on success.
|
|
* \retval -1 on error.
|
|
*/
|
|
static int builtin_automonitor(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
char *caller_chan_id = NULL, *callee_chan_id = NULL, *args = NULL, *touch_filename = NULL;
|
|
int x = 0;
|
|
size_t len;
|
|
struct ast_channel *caller_chan, *callee_chan;
|
|
|
|
if (!monitor_ok) {
|
|
ast_log(LOG_ERROR,"Cannot record the call. The monitor application is disabled.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!monitor_app && !(monitor_app = pbx_findapp("Monitor"))) {
|
|
monitor_ok = 0;
|
|
ast_log(LOG_ERROR,"Cannot record the call. The monitor application is disabled.\n");
|
|
return -1;
|
|
}
|
|
|
|
set_peers(&caller_chan, &callee_chan, peer, chan, sense);
|
|
|
|
if (!ast_strlen_zero(courtesytone)) {
|
|
if (ast_autoservice_start(callee_chan))
|
|
return -1;
|
|
if (ast_stream_and_wait(caller_chan, courtesytone, "")) {
|
|
ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
|
|
ast_autoservice_stop(callee_chan);
|
|
return -1;
|
|
}
|
|
if (ast_autoservice_stop(callee_chan))
|
|
return -1;
|
|
}
|
|
|
|
if (callee_chan->monitor) {
|
|
ast_verb(4, "User hit '%s' to stop recording call.\n", code);
|
|
callee_chan->monitor->stop(callee_chan, 1);
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
if (caller_chan && callee_chan) {
|
|
const char *touch_format = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR_FORMAT");
|
|
const char *touch_monitor = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR");
|
|
const char *touch_monitor_prefix = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MONITOR_PREFIX");
|
|
|
|
if (!touch_format)
|
|
touch_format = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR_FORMAT");
|
|
|
|
if (!touch_monitor)
|
|
touch_monitor = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR");
|
|
|
|
if (!touch_monitor_prefix)
|
|
touch_monitor_prefix = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MONITOR_PREFIX");
|
|
|
|
if (touch_monitor) {
|
|
len = strlen(touch_monitor) + 50;
|
|
args = alloca(len);
|
|
touch_filename = alloca(len);
|
|
snprintf(touch_filename, len, "%s-%ld-%s", S_OR(touch_monitor_prefix, "auto"), (long)time(NULL), touch_monitor);
|
|
snprintf(args, len, "%s|%s|m", S_OR(touch_format, "wav"), touch_filename);
|
|
} else {
|
|
caller_chan_id = ast_strdupa(S_OR(caller_chan->cid.cid_num, caller_chan->name));
|
|
callee_chan_id = ast_strdupa(S_OR(callee_chan->cid.cid_num, callee_chan->name));
|
|
len = strlen(caller_chan_id) + strlen(callee_chan_id) + 50;
|
|
args = alloca(len);
|
|
touch_filename = alloca(len);
|
|
snprintf(touch_filename, len, "%s-%ld-%s-%s", S_OR(touch_monitor_prefix, "auto"), (long)time(NULL), caller_chan_id, callee_chan_id);
|
|
snprintf(args, len, "%s|%s|m", S_OR(touch_format, "wav"), touch_filename);
|
|
}
|
|
|
|
for(x = 0; x < strlen(args); x++) {
|
|
if (args[x] == '/')
|
|
args[x] = '-';
|
|
}
|
|
|
|
ast_verb(4, "User hit '%s' to record call. filename: %s\n", code, args);
|
|
|
|
pbx_exec(callee_chan, monitor_app, args);
|
|
pbx_builtin_setvar_helper(callee_chan, "TOUCH_MONITOR_OUTPUT", touch_filename);
|
|
pbx_builtin_setvar_helper(caller_chan, "TOUCH_MONITOR_OUTPUT", touch_filename);
|
|
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
ast_log(LOG_NOTICE,"Cannot record the call. One or both channels have gone away.\n");
|
|
return -1;
|
|
}
|
|
|
|
static int builtin_automixmonitor(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
char *caller_chan_id = NULL, *callee_chan_id = NULL, *args = NULL, *touch_filename = NULL;
|
|
int x = 0;
|
|
size_t len;
|
|
struct ast_channel *caller_chan, *callee_chan;
|
|
const char *mixmonitor_spy_type = "MixMonitor";
|
|
int count = 0;
|
|
|
|
if (!mixmonitor_ok) {
|
|
ast_log(LOG_ERROR,"Cannot record the call. The mixmonitor application is disabled.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!(mixmonitor_app = pbx_findapp("MixMonitor"))) {
|
|
mixmonitor_ok = 0;
|
|
ast_log(LOG_ERROR,"Cannot record the call. The mixmonitor application is disabled.\n");
|
|
return -1;
|
|
}
|
|
|
|
set_peers(&caller_chan, &callee_chan, peer, chan, sense);
|
|
|
|
if (!ast_strlen_zero(courtesytone)) {
|
|
if (ast_autoservice_start(callee_chan))
|
|
return -1;
|
|
if (ast_stream_and_wait(caller_chan, courtesytone, "")) {
|
|
ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
|
|
ast_autoservice_stop(callee_chan);
|
|
return -1;
|
|
}
|
|
if (ast_autoservice_stop(callee_chan))
|
|
return -1;
|
|
}
|
|
|
|
ast_channel_lock(callee_chan);
|
|
count = ast_channel_audiohook_count_by_source(callee_chan, mixmonitor_spy_type, AST_AUDIOHOOK_TYPE_SPY);
|
|
ast_channel_unlock(callee_chan);
|
|
|
|
// This means a mixmonitor is attached to the channel, running or not is unknown.
|
|
if (count > 0) {
|
|
|
|
ast_verb(3, "User hit '%s' to stop recording call.\n", code);
|
|
|
|
//Make sure they are running
|
|
ast_channel_lock(callee_chan);
|
|
count = ast_channel_audiohook_count_by_source_running(callee_chan, mixmonitor_spy_type, AST_AUDIOHOOK_TYPE_SPY);
|
|
ast_channel_unlock(callee_chan);
|
|
if (count > 0) {
|
|
if (!stopmixmonitor_ok) {
|
|
ast_log(LOG_ERROR,"Cannot stop recording the call. The stopmixmonitor application is disabled.\n");
|
|
return -1;
|
|
}
|
|
if (!(stopmixmonitor_app = pbx_findapp("StopMixMonitor"))) {
|
|
stopmixmonitor_ok = 0;
|
|
ast_log(LOG_ERROR,"Cannot stop recording the call. The stopmixmonitor application is disabled.\n");
|
|
return -1;
|
|
} else {
|
|
pbx_exec(callee_chan, stopmixmonitor_app, "");
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
}
|
|
|
|
ast_log(LOG_WARNING,"Stopped MixMonitors are attached to the channel.\n");
|
|
}
|
|
|
|
if (caller_chan && callee_chan) {
|
|
const char *touch_format = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MIXMONITOR_FORMAT");
|
|
const char *touch_monitor = pbx_builtin_getvar_helper(caller_chan, "TOUCH_MIXMONITOR");
|
|
|
|
if (!touch_format)
|
|
touch_format = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MIXMONITOR_FORMAT");
|
|
|
|
if (!touch_monitor)
|
|
touch_monitor = pbx_builtin_getvar_helper(callee_chan, "TOUCH_MIXMONITOR");
|
|
|
|
if (touch_monitor) {
|
|
len = strlen(touch_monitor) + 50;
|
|
args = alloca(len);
|
|
touch_filename = alloca(len);
|
|
snprintf(touch_filename, len, "auto-%ld-%s", (long)time(NULL), touch_monitor);
|
|
snprintf(args, len, "%s.%s,b", touch_filename, (touch_format) ? touch_format : "wav");
|
|
} else {
|
|
caller_chan_id = ast_strdupa(S_OR(caller_chan->cid.cid_num, caller_chan->name));
|
|
callee_chan_id = ast_strdupa(S_OR(callee_chan->cid.cid_num, callee_chan->name));
|
|
len = strlen(caller_chan_id) + strlen(callee_chan_id) + 50;
|
|
args = alloca(len);
|
|
touch_filename = alloca(len);
|
|
snprintf(touch_filename, len, "auto-%ld-%s-%s", (long)time(NULL), caller_chan_id, callee_chan_id);
|
|
snprintf(args, len, "%s.%s,b", touch_filename, S_OR(touch_format, "wav"));
|
|
}
|
|
|
|
for( x = 0; x < strlen(args); x++) {
|
|
if (args[x] == '/')
|
|
args[x] = '-';
|
|
}
|
|
|
|
ast_verb(3, "User hit '%s' to record call. filename: %s\n", code, touch_filename);
|
|
|
|
pbx_exec(callee_chan, mixmonitor_app, args);
|
|
pbx_builtin_setvar_helper(callee_chan, "TOUCH_MIXMONITOR_OUTPUT", touch_filename);
|
|
pbx_builtin_setvar_helper(caller_chan, "TOUCH_MIXMONITOR_OUTPUT", touch_filename);
|
|
return FEATURE_RETURN_SUCCESS;
|
|
|
|
}
|
|
|
|
ast_log(LOG_NOTICE,"Cannot record the call. One or both channels have gone away.\n");
|
|
return -1;
|
|
|
|
}
|
|
|
|
static int builtin_disconnect(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
ast_verb(4, "User hit '%s' to disconnect call.\n", code);
|
|
return FEATURE_RETURN_HANGUP;
|
|
}
|
|
|
|
static int finishup(struct ast_channel *chan)
|
|
{
|
|
ast_indicate(chan, AST_CONTROL_UNHOLD);
|
|
|
|
return ast_autoservice_stop(chan);
|
|
}
|
|
|
|
/*!
|
|
* \brief Find the context for the transfer
|
|
* \param transferer
|
|
* \param transferee
|
|
*
|
|
* Grab the TRANSFER_CONTEXT, if fails try grabbing macrocontext.
|
|
* \return a context string
|
|
*/
|
|
static const char *real_ctx(struct ast_channel *transferer, struct ast_channel *transferee)
|
|
{
|
|
const char *s = pbx_builtin_getvar_helper(transferer, "TRANSFER_CONTEXT");
|
|
if (ast_strlen_zero(s))
|
|
s = pbx_builtin_getvar_helper(transferee, "TRANSFER_CONTEXT");
|
|
if (ast_strlen_zero(s)) /* Use the non-macro context to transfer the call XXX ? */
|
|
s = transferer->macrocontext;
|
|
if (ast_strlen_zero(s))
|
|
s = transferer->context;
|
|
return s;
|
|
}
|
|
|
|
/*!
|
|
* \brief Blind transfer user to another extension
|
|
* \param chan channel to be transfered
|
|
* \param peer channel initiated blind transfer
|
|
* \param config
|
|
* \param code
|
|
* \param data
|
|
* \param sense feature options
|
|
*
|
|
* Place chan on hold, check if transferred to parkinglot extension,
|
|
* otherwise check extension exists and transfer caller.
|
|
* \retval FEATURE_RETURN_SUCCESS.
|
|
* \retval -1 on failure.
|
|
*/
|
|
static int builtin_blindtransfer(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
struct ast_channel *transferer;
|
|
struct ast_channel *transferee;
|
|
const char *transferer_real_context;
|
|
char xferto[256];
|
|
int res;
|
|
|
|
set_peers(&transferer, &transferee, peer, chan, sense);
|
|
transferer_real_context = real_ctx(transferer, transferee);
|
|
/* Start autoservice on chan while we talk to the originator */
|
|
ast_autoservice_start(transferee);
|
|
ast_indicate(transferee, AST_CONTROL_HOLD);
|
|
|
|
memset(xferto, 0, sizeof(xferto));
|
|
|
|
/* Transfer */
|
|
res = ast_stream_and_wait(transferer, "pbx-transfer", AST_DIGIT_ANY);
|
|
if (res < 0) {
|
|
finishup(transferee);
|
|
return -1; /* error ? */
|
|
}
|
|
if (res > 0) /* If they've typed a digit already, handle it */
|
|
xferto[0] = (char) res;
|
|
|
|
ast_stopstream(transferer);
|
|
res = ast_app_dtget(transferer, transferer_real_context, xferto, sizeof(xferto), 100, transferdigittimeout);
|
|
if (res < 0) { /* hangup, would be 0 for invalid and 1 for valid */
|
|
finishup(transferee);
|
|
return res;
|
|
}
|
|
if (!strcmp(xferto, ast_parking_ext())) {
|
|
res = finishup(transferee);
|
|
if (res)
|
|
res = -1;
|
|
else if (!ast_park_call(transferee, transferer, 0, NULL)) { /* success */
|
|
/* We return non-zero, but tell the PBX not to hang the channel when
|
|
the thread dies -- We have to be careful now though. We are responsible for
|
|
hanging up the channel, else it will never be hung up! */
|
|
|
|
return (transferer == peer) ? AST_PBX_KEEPALIVE : AST_PBX_NO_HANGUP_PEER;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to park call %s\n", transferee->name);
|
|
}
|
|
/*! \todo XXX Maybe we should have another message here instead of invalid extension XXX */
|
|
} else if (ast_exists_extension(transferee, transferer_real_context, xferto, 1, transferer->cid.cid_num)) {
|
|
pbx_builtin_setvar_helper(peer, "BLINDTRANSFER", transferee->name);
|
|
pbx_builtin_setvar_helper(chan, "BLINDTRANSFER", peer->name);
|
|
res=finishup(transferee);
|
|
if (!transferer->cdr) {
|
|
transferer->cdr=ast_cdr_alloc();
|
|
if (transferer) {
|
|
ast_cdr_init(transferer->cdr, transferer); /* initilize our channel's cdr */
|
|
ast_cdr_start(transferer->cdr);
|
|
}
|
|
}
|
|
if (transferer->cdr) {
|
|
ast_cdr_setdestchan(transferer->cdr, transferee->name);
|
|
ast_cdr_setapp(transferer->cdr, "BLINDTRANSFER","");
|
|
}
|
|
if (!transferee->pbx) {
|
|
/* Doh! Use our handy async_goto functions */
|
|
ast_verb(3, "Transferring %s to '%s' (context %s) priority 1\n"
|
|
,transferee->name, xferto, transferer_real_context);
|
|
if (ast_async_goto(transferee, transferer_real_context, xferto, 1))
|
|
ast_log(LOG_WARNING, "Async goto failed :-(\n");
|
|
} else {
|
|
/* Set the channel's new extension, since it exists, using transferer context */
|
|
set_c_e_p(transferee, transferer_real_context, xferto, 0);
|
|
}
|
|
check_goto_on_transfer(transferer);
|
|
return res;
|
|
} else {
|
|
ast_verb(3, "Unable to find extension '%s' in context '%s'\n", xferto, transferer_real_context);
|
|
}
|
|
if (ast_stream_and_wait(transferer, xferfailsound, AST_DIGIT_ANY) < 0) {
|
|
finishup(transferee);
|
|
return -1;
|
|
}
|
|
ast_stopstream(transferer);
|
|
res = finishup(transferee);
|
|
if (res) {
|
|
ast_verb(2, "Hungup during autoservice stop on '%s'\n", transferee->name);
|
|
return res;
|
|
}
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
/*!
|
|
* \brief make channels compatible
|
|
* \param c
|
|
* \param newchan
|
|
* \retval 0 on success.
|
|
* \retval -1 on failure.
|
|
*/
|
|
static int check_compat(struct ast_channel *c, struct ast_channel *newchan)
|
|
{
|
|
if (ast_channel_make_compatible(c, newchan) < 0) {
|
|
ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n",
|
|
c->name, newchan->name);
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \brief Attended transfer
|
|
* \param chan transfered user
|
|
* \param peer person transfering call
|
|
* \param config
|
|
* \param code
|
|
* \param sense feature options
|
|
*
|
|
* \param data
|
|
* Get extension to transfer to, if you cannot generate channel (or find extension)
|
|
* return to host channel. After called channel answered wait for hangup of transferer,
|
|
* bridge call between transfer peer (taking them off hold) to attended transfer channel.
|
|
*
|
|
* \return -1 on failure
|
|
*/
|
|
static int builtin_atxfer(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
struct ast_channel *transferer;
|
|
struct ast_channel *transferee;
|
|
const char *transferer_real_context;
|
|
char xferto[256] = "";
|
|
int res;
|
|
int outstate=0;
|
|
struct ast_channel *newchan;
|
|
struct ast_channel *xferchan;
|
|
struct ast_bridge_thread_obj *tobj;
|
|
struct ast_bridge_config bconfig;
|
|
struct ast_frame *f;
|
|
int l;
|
|
|
|
ast_debug(1, "Executing Attended Transfer %s, %s (sense=%d) \n", chan->name, peer->name, sense);
|
|
set_peers(&transferer, &transferee, peer, chan, sense);
|
|
transferer_real_context = real_ctx(transferer, transferee);
|
|
/* Start autoservice on chan while we talk to the originator */
|
|
ast_autoservice_start(transferee);
|
|
ast_indicate(transferee, AST_CONTROL_HOLD);
|
|
|
|
/* Transfer */
|
|
res = ast_stream_and_wait(transferer, "pbx-transfer", AST_DIGIT_ANY);
|
|
if (res < 0) {
|
|
finishup(transferee);
|
|
return res;
|
|
}
|
|
if (res > 0) /* If they've typed a digit already, handle it */
|
|
xferto[0] = (char) res;
|
|
|
|
/* this is specific of atxfer */
|
|
res = ast_app_dtget(transferer, transferer_real_context, xferto, sizeof(xferto), 100, transferdigittimeout);
|
|
if (res < 0) { /* hangup, would be 0 for invalid and 1 for valid */
|
|
finishup(transferee);
|
|
return res;
|
|
}
|
|
if (res == 0) {
|
|
ast_log(LOG_WARNING, "Did not read data.\n");
|
|
finishup(transferee);
|
|
if (ast_stream_and_wait(transferer, "beeperr", ""))
|
|
return -1;
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
/* valid extension, res == 1 */
|
|
if (!ast_exists_extension(transferer, transferer_real_context, xferto, 1, transferer->cid.cid_num)) {
|
|
ast_log(LOG_WARNING, "Extension %s does not exist in context %s\n",xferto,transferer_real_context);
|
|
finishup(transferee);
|
|
if (ast_stream_and_wait(transferer, "beeperr", ""))
|
|
return -1;
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
l = strlen(xferto);
|
|
snprintf(xferto + l, sizeof(xferto) - l, "@%s/n", transferer_real_context); /* append context */
|
|
newchan = ast_feature_request_and_dial(transferer, transferee, "Local", ast_best_codec(transferer->nativeformats),
|
|
xferto, atxfernoanswertimeout, &outstate, transferer->cid.cid_num, transferer->cid.cid_name, 1);
|
|
|
|
if (!ast_check_hangup(transferer)) {
|
|
/* Transferer is up - old behaviour */
|
|
ast_indicate(transferer, -1);
|
|
if (!newchan) {
|
|
finishup(transferee);
|
|
/* any reason besides user requested cancel and busy triggers the failed sound */
|
|
if (outstate != AST_CONTROL_UNHOLD && outstate != AST_CONTROL_BUSY &&
|
|
ast_stream_and_wait(transferer, xferfailsound, ""))
|
|
return -1;
|
|
if (ast_stream_and_wait(transferer, xfersound, ""))
|
|
ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
if (check_compat(transferer, newchan)) {
|
|
/* we do mean transferee here, NOT transferer */
|
|
finishup(transferee);
|
|
return -1;
|
|
}
|
|
memset(&bconfig,0,sizeof(struct ast_bridge_config));
|
|
ast_set_flag(&(bconfig.features_caller), AST_FEATURE_DISCONNECT);
|
|
ast_set_flag(&(bconfig.features_callee), AST_FEATURE_DISCONNECT);
|
|
res = ast_bridge_call(transferer, newchan, &bconfig);
|
|
if (ast_check_hangup(newchan) || !ast_check_hangup(transferer)) {
|
|
ast_hangup(newchan);
|
|
if (ast_stream_and_wait(transferer, xfersound, ""))
|
|
ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
|
|
finishup(transferee);
|
|
transferer->_softhangup = 0;
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
if (check_compat(transferee, newchan)) {
|
|
finishup(transferee);
|
|
return -1;
|
|
}
|
|
ast_indicate(transferee, AST_CONTROL_UNHOLD);
|
|
|
|
if ((ast_autoservice_stop(transferee) < 0)
|
|
|| (ast_waitfordigit(transferee, 100) < 0)
|
|
|| (ast_waitfordigit(newchan, 100) < 0)
|
|
|| ast_check_hangup(transferee)
|
|
|| ast_check_hangup(newchan)) {
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, "Transfered/%s", transferee->name);
|
|
if (!xferchan) {
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
/* Make formats okay */
|
|
xferchan->readformat = transferee->readformat;
|
|
xferchan->writeformat = transferee->writeformat;
|
|
ast_channel_masquerade(xferchan, transferee);
|
|
ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
|
|
xferchan->_state = AST_STATE_UP;
|
|
ast_clear_flag(xferchan, AST_FLAGS_ALL);
|
|
xferchan->_softhangup = 0;
|
|
if ((f = ast_read(xferchan)))
|
|
ast_frfree(f);
|
|
newchan->_state = AST_STATE_UP;
|
|
ast_clear_flag(newchan, AST_FLAGS_ALL);
|
|
newchan->_softhangup = 0;
|
|
if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
|
|
ast_hangup(xferchan);
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
tobj->chan = newchan;
|
|
tobj->peer = xferchan;
|
|
tobj->bconfig = *config;
|
|
|
|
if (ast_stream_and_wait(newchan, xfersound, ""))
|
|
ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
|
|
ast_bridge_call_thread_launch(tobj);
|
|
return -1; /* XXX meaning the channel is bridged ? */
|
|
} else if (!ast_check_hangup(transferee)) {
|
|
/* act as blind transfer */
|
|
if (ast_autoservice_stop(transferee) < 0) {
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
|
|
if (!newchan) {
|
|
unsigned int tries = 0;
|
|
char *transferer_tech, *transferer_name = ast_strdupa(transferer->name);
|
|
|
|
transferer_tech = strsep(&transferer_name, "/");
|
|
transferer_name = strsep(&transferer_name, "-");
|
|
|
|
if (ast_strlen_zero(transferer_name) || ast_strlen_zero(transferer_tech)) {
|
|
ast_log(LOG_WARNING, "Transferer has invalid channel name: '%s'\n", transferer->name);
|
|
if (ast_stream_and_wait(transferee, "beeperr", ""))
|
|
return -1;
|
|
return FEATURE_RETURN_SUCCESS;
|
|
}
|
|
|
|
ast_log(LOG_NOTICE, "We're trying to call %s/%s\n", transferer_tech, transferer_name);
|
|
newchan = ast_feature_request_and_dial(transferee, NULL, transferer_tech, ast_best_codec(transferee->nativeformats),
|
|
transferer_name, atxfernoanswertimeout, &outstate, transferee->cid.cid_num, transferee->cid.cid_name, 0);
|
|
while (!newchan && !atxferdropcall && tries < atxfercallbackretries) {
|
|
/* Trying to transfer again */
|
|
ast_autoservice_start(transferee);
|
|
ast_indicate(transferee, AST_CONTROL_HOLD);
|
|
|
|
newchan = ast_feature_request_and_dial(transferer, transferee, "Local", ast_best_codec(transferer->nativeformats),
|
|
xferto, atxfernoanswertimeout, &outstate, transferer->cid.cid_num, transferer->cid.cid_name, 1);
|
|
if (ast_autoservice_stop(transferee) < 0) {
|
|
if (newchan)
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
if (!newchan) {
|
|
/* Transfer failed, sleeping */
|
|
ast_debug(1, "Sleeping for %d ms before callback.\n", atxferloopdelay);
|
|
ast_safe_sleep(transferee, atxferloopdelay);
|
|
ast_debug(1, "Trying to callback...\n");
|
|
newchan = ast_feature_request_and_dial(transferee, NULL, transferer_tech, ast_best_codec(transferee->nativeformats),
|
|
transferer_name, atxfernoanswertimeout, &outstate, transferee->cid.cid_num, transferee->cid.cid_name, 0);
|
|
}
|
|
tries++;
|
|
}
|
|
}
|
|
if (!newchan)
|
|
return -1;
|
|
|
|
/* newchan is up, we should prepare transferee and bridge them */
|
|
if (check_compat(transferee, newchan)) {
|
|
finishup(transferee);
|
|
return -1;
|
|
}
|
|
ast_indicate(transferee, AST_CONTROL_UNHOLD);
|
|
|
|
if ((ast_waitfordigit(transferee, 100) < 0)
|
|
|| (ast_waitfordigit(newchan, 100) < 0)
|
|
|| ast_check_hangup(transferee)
|
|
|| ast_check_hangup(newchan)) {
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
|
|
xferchan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, "Transfered/%s", transferee->name);
|
|
if (!xferchan) {
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
/* Make formats okay */
|
|
xferchan->readformat = transferee->readformat;
|
|
xferchan->writeformat = transferee->writeformat;
|
|
ast_channel_masquerade(xferchan, transferee);
|
|
ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
|
|
xferchan->_state = AST_STATE_UP;
|
|
ast_clear_flag(xferchan, AST_FLAGS_ALL);
|
|
xferchan->_softhangup = 0;
|
|
if ((f = ast_read(xferchan)))
|
|
ast_frfree(f);
|
|
newchan->_state = AST_STATE_UP;
|
|
ast_clear_flag(newchan, AST_FLAGS_ALL);
|
|
newchan->_softhangup = 0;
|
|
if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
|
|
ast_hangup(xferchan);
|
|
ast_hangup(newchan);
|
|
return -1;
|
|
}
|
|
tobj->chan = newchan;
|
|
tobj->peer = xferchan;
|
|
tobj->bconfig = *config;
|
|
|
|
if (ast_stream_and_wait(newchan, xfersound, ""))
|
|
ast_log(LOG_WARNING, "Failed to play transfer sound!\n");
|
|
ast_bridge_call_thread_launch(tobj);
|
|
return -1; /* XXX meaning the channel is bridged ? */
|
|
} else {
|
|
/* Transferee hung up */
|
|
finishup(transferee);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* add atxfer and automon as undefined so you can only use em if you configure them */
|
|
#define FEATURES_COUNT ARRAY_LEN(builtin_features)
|
|
|
|
AST_RWLOCK_DEFINE_STATIC(features_lock);
|
|
|
|
static struct ast_call_feature builtin_features[] =
|
|
{
|
|
{ AST_FEATURE_REDIRECT, "Blind Transfer", "blindxfer", "#", "#", builtin_blindtransfer, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
{ AST_FEATURE_REDIRECT, "Attended Transfer", "atxfer", "", "", builtin_atxfer, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
{ AST_FEATURE_AUTOMON, "One Touch Monitor", "automon", "", "", builtin_automonitor, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
{ AST_FEATURE_DISCONNECT, "Disconnect Call", "disconnect", "*", "*", builtin_disconnect, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
{ AST_FEATURE_PARKCALL, "Park Call", "parkcall", "", "", builtin_parkcall, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
{ AST_FEATURE_AUTOMIXMON, "One Touch MixMonitor", "automixmon", "", "", builtin_automixmonitor, AST_FEATURE_FLAG_NEEDSDTMF, "" },
|
|
};
|
|
|
|
|
|
static AST_LIST_HEAD_STATIC(feature_list,ast_call_feature);
|
|
|
|
/*! \brief register new feature into feature_list*/
|
|
void ast_register_feature(struct ast_call_feature *feature)
|
|
{
|
|
if (!feature) {
|
|
ast_log(LOG_NOTICE,"You didn't pass a feature!\n");
|
|
return;
|
|
}
|
|
|
|
AST_LIST_LOCK(&feature_list);
|
|
AST_LIST_INSERT_HEAD(&feature_list,feature,feature_entry);
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
|
|
ast_verb(2, "Registered Feature '%s'\n",feature->sname);
|
|
}
|
|
|
|
/*!
|
|
* \brief Add new feature group
|
|
* \param fgname feature group name.
|
|
*
|
|
* Add new feature group to the feature group list insert at head of list.
|
|
* \note This function MUST be called while feature_groups is locked.
|
|
*/
|
|
static struct feature_group* register_group(const char *fgname)
|
|
{
|
|
struct feature_group *fg;
|
|
|
|
if (!fgname) {
|
|
ast_log(LOG_NOTICE, "You didn't pass a new group name!\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!(fg = ast_calloc(1, sizeof(*fg))))
|
|
return NULL;
|
|
|
|
if (ast_string_field_init(fg, 128)) {
|
|
ast_free(fg);
|
|
return NULL;
|
|
}
|
|
|
|
ast_string_field_set(fg, gname, fgname);
|
|
|
|
AST_LIST_INSERT_HEAD(&feature_groups, fg, entry);
|
|
|
|
ast_verb(2, "Registered group '%s'\n", fg->gname);
|
|
|
|
return fg;
|
|
}
|
|
|
|
/*!
|
|
* \brief Add feature to group
|
|
* \param fg feature group
|
|
* \param exten
|
|
* \param feature feature to add.
|
|
*
|
|
* Check fg and feature specified, add feature to list
|
|
* \note This function MUST be called while feature_groups is locked.
|
|
*/
|
|
static void register_group_feature(struct feature_group *fg, const char *exten, struct ast_call_feature *feature)
|
|
{
|
|
struct feature_group_exten *fge;
|
|
|
|
if (!(fge = ast_calloc(1, sizeof(*fge))))
|
|
return;
|
|
|
|
if (ast_string_field_init(fge, 128)) {
|
|
ast_free(fge);
|
|
return;
|
|
}
|
|
|
|
if (!fg) {
|
|
ast_log(LOG_NOTICE, "You didn't pass a group!\n");
|
|
return;
|
|
}
|
|
|
|
if (!feature) {
|
|
ast_log(LOG_NOTICE, "You didn't pass a feature!\n");
|
|
return;
|
|
}
|
|
|
|
ast_string_field_set(fge, exten, (ast_strlen_zero(exten) ? feature->exten : exten));
|
|
|
|
fge->feature = feature;
|
|
|
|
AST_LIST_INSERT_HEAD(&fg->features, fge, entry);
|
|
|
|
ast_verb(2, "Registered feature '%s' for group '%s' at exten '%s'\n",
|
|
feature->sname, fg->gname, exten);
|
|
}
|
|
|
|
void ast_unregister_feature(struct ast_call_feature *feature)
|
|
{
|
|
if (!feature)
|
|
return;
|
|
|
|
AST_LIST_LOCK(&feature_list);
|
|
AST_LIST_REMOVE(&feature_list,feature,feature_entry);
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
ast_free(feature);
|
|
}
|
|
|
|
/*! \brief Remove all features in the list */
|
|
static void ast_unregister_features(void)
|
|
{
|
|
struct ast_call_feature *feature;
|
|
|
|
AST_LIST_LOCK(&feature_list);
|
|
while ((feature = AST_LIST_REMOVE_HEAD(&feature_list,feature_entry)))
|
|
ast_free(feature);
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
}
|
|
|
|
/*! \brief find a call feature by name */
|
|
static struct ast_call_feature *find_dynamic_feature(const char *name)
|
|
{
|
|
struct ast_call_feature *tmp;
|
|
|
|
AST_LIST_TRAVERSE(&feature_list, tmp, feature_entry) {
|
|
if (!strcasecmp(tmp->sname, name))
|
|
break;
|
|
}
|
|
|
|
return tmp;
|
|
}
|
|
|
|
/*! \brief Remove all feature groups in the list */
|
|
static void ast_unregister_groups(void)
|
|
{
|
|
struct feature_group *fg;
|
|
struct feature_group_exten *fge;
|
|
|
|
AST_RWLIST_WRLOCK(&feature_groups);
|
|
while ((fg = AST_LIST_REMOVE_HEAD(&feature_groups, entry))) {
|
|
while ((fge = AST_LIST_REMOVE_HEAD(&fg->features, entry))) {
|
|
ast_string_field_free_memory(fge);
|
|
ast_free(fge);
|
|
}
|
|
|
|
ast_string_field_free_memory(fg);
|
|
ast_free(fg);
|
|
}
|
|
AST_RWLIST_UNLOCK(&feature_groups);
|
|
}
|
|
|
|
/*!
|
|
* \brief Find a group by name
|
|
* \param name feature name
|
|
* \retval feature group on success.
|
|
* \retval NULL on failure.
|
|
*/
|
|
static struct feature_group *find_group(const char *name) {
|
|
struct feature_group *fg = NULL;
|
|
|
|
AST_LIST_TRAVERSE(&feature_groups, fg, entry) {
|
|
if (!strcasecmp(fg->gname, name))
|
|
break;
|
|
}
|
|
|
|
return fg;
|
|
}
|
|
|
|
void ast_rdlock_call_features(void)
|
|
{
|
|
ast_rwlock_rdlock(&features_lock);
|
|
}
|
|
|
|
void ast_unlock_call_features(void)
|
|
{
|
|
ast_rwlock_unlock(&features_lock);
|
|
}
|
|
|
|
struct ast_call_feature *ast_find_call_feature(const char *name)
|
|
{
|
|
int x;
|
|
for (x = 0; x < FEATURES_COUNT; x++) {
|
|
if (!strcasecmp(name, builtin_features[x].sname))
|
|
return &builtin_features[x];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*!
|
|
* \brief exec an app by feature
|
|
* \param chan,peer,config,code,sense,data
|
|
*
|
|
* Find a feature, determine which channel activated
|
|
* \retval FEATURE_RETURN_PBX_KEEPALIVE,FEATURE_RETURN_NO_HANGUP_PEER
|
|
* \retval -1 error.
|
|
* \retval -2 when an application cannot be found.
|
|
*/
|
|
static int feature_exec_app(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data)
|
|
{
|
|
struct ast_app *app;
|
|
struct ast_call_feature *feature = data;
|
|
struct ast_channel *work, *idle;
|
|
int res;
|
|
|
|
if (!feature) { /* shouldn't ever happen! */
|
|
ast_log(LOG_NOTICE, "Found feature before, but at execing we've lost it??\n");
|
|
return -1;
|
|
}
|
|
|
|
if (sense == FEATURE_SENSE_CHAN) {
|
|
if (!ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLER))
|
|
return FEATURE_RETURN_KEEPTRYING;
|
|
if (ast_test_flag(feature, AST_FEATURE_FLAG_ONSELF)) {
|
|
work = chan;
|
|
idle = peer;
|
|
} else {
|
|
work = peer;
|
|
idle = chan;
|
|
}
|
|
} else {
|
|
if (!ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLEE))
|
|
return FEATURE_RETURN_KEEPTRYING;
|
|
if (ast_test_flag(feature, AST_FEATURE_FLAG_ONSELF)) {
|
|
work = peer;
|
|
idle = chan;
|
|
} else {
|
|
work = chan;
|
|
idle = peer;
|
|
}
|
|
}
|
|
|
|
if (!(app = pbx_findapp(feature->app))) {
|
|
ast_log(LOG_WARNING, "Could not find application (%s)\n", feature->app);
|
|
return -2;
|
|
}
|
|
|
|
ast_autoservice_start(idle);
|
|
|
|
if (!ast_strlen_zero(feature->moh_class))
|
|
ast_moh_start(idle, feature->moh_class, NULL);
|
|
|
|
res = pbx_exec(work, app, feature->app_args);
|
|
|
|
if (!ast_strlen_zero(feature->moh_class))
|
|
ast_moh_stop(idle);
|
|
|
|
ast_autoservice_stop(idle);
|
|
|
|
if (res == AST_PBX_KEEPALIVE)
|
|
return FEATURE_RETURN_PBX_KEEPALIVE;
|
|
else if (res == AST_PBX_NO_HANGUP_PEER)
|
|
return FEATURE_RETURN_NO_HANGUP_PEER;
|
|
else if (res)
|
|
return FEATURE_RETURN_SUCCESSBREAK;
|
|
|
|
return FEATURE_RETURN_SUCCESS; /*! \todo XXX should probably return res */
|
|
}
|
|
|
|
static void unmap_features(void)
|
|
{
|
|
int x;
|
|
|
|
ast_rwlock_wrlock(&features_lock);
|
|
for (x = 0; x < FEATURES_COUNT; x++)
|
|
strcpy(builtin_features[x].exten, builtin_features[x].default_exten);
|
|
ast_rwlock_unlock(&features_lock);
|
|
}
|
|
|
|
static int remap_feature(const char *name, const char *value)
|
|
{
|
|
int x, res = -1;
|
|
|
|
ast_rwlock_wrlock(&features_lock);
|
|
for (x = 0; x < FEATURES_COUNT; x++) {
|
|
if (strcasecmp(builtin_features[x].sname, name))
|
|
continue;
|
|
|
|
ast_copy_string(builtin_features[x].exten, value, sizeof(builtin_features[x].exten));
|
|
res = 0;
|
|
break;
|
|
}
|
|
ast_rwlock_unlock(&features_lock);
|
|
|
|
return res;
|
|
}
|
|
|
|
/*!
|
|
* \brief Check the dynamic features
|
|
* \param chan,peer,config,code,sense
|
|
*
|
|
* Lock features list, browse for code, unlock list
|
|
* \retval res on success.
|
|
* \retval -1 on failure.
|
|
*/
|
|
static int ast_feature_interpret(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense)
|
|
{
|
|
int x;
|
|
struct ast_flags features;
|
|
int res = FEATURE_RETURN_PASSDIGITS;
|
|
struct ast_call_feature *feature;
|
|
struct feature_group *fg = NULL;
|
|
struct feature_group_exten *fge;
|
|
const char *dynamic_features;
|
|
char *tmp, *tok;
|
|
|
|
if (sense == FEATURE_SENSE_CHAN) {
|
|
ast_copy_flags(&features, &(config->features_caller), AST_FLAGS_ALL);
|
|
dynamic_features = pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES");
|
|
}
|
|
else {
|
|
ast_copy_flags(&features, &(config->features_callee), AST_FLAGS_ALL);
|
|
dynamic_features = pbx_builtin_getvar_helper(peer, "DYNAMIC_FEATURES");
|
|
}
|
|
ast_debug(3, "Feature interpret: chan=%s, peer=%s, sense=%d, features=%d, dynamic=%s\n", chan->name, peer->name, sense, features.flags, dynamic_features);
|
|
|
|
ast_rwlock_rdlock(&features_lock);
|
|
for (x = 0; x < FEATURES_COUNT; x++) {
|
|
if ((ast_test_flag(&features, builtin_features[x].feature_mask)) &&
|
|
!ast_strlen_zero(builtin_features[x].exten)) {
|
|
/* Feature is up for consideration */
|
|
if (!strcmp(builtin_features[x].exten, code)) {
|
|
res = builtin_features[x].operation(chan, peer, config, code, sense, NULL);
|
|
break;
|
|
} else if (!strncmp(builtin_features[x].exten, code, strlen(code))) {
|
|
if (res == FEATURE_RETURN_PASSDIGITS)
|
|
res = FEATURE_RETURN_STOREDIGITS;
|
|
}
|
|
}
|
|
}
|
|
ast_rwlock_unlock(&features_lock);
|
|
|
|
if (ast_strlen_zero(dynamic_features))
|
|
return res;
|
|
|
|
tmp = ast_strdupa(dynamic_features);
|
|
|
|
while ((tok = strsep(&tmp, "#"))) {
|
|
AST_RWLIST_RDLOCK(&feature_groups);
|
|
|
|
fg = find_group(tok);
|
|
|
|
if (fg) {
|
|
AST_LIST_TRAVERSE(&fg->features, fge, entry) {
|
|
if (strcasecmp(fge->exten, code))
|
|
continue;
|
|
|
|
res = fge->feature->operation(chan, peer, config, code, sense, fge->feature);
|
|
if (res != FEATURE_RETURN_KEEPTRYING) {
|
|
AST_RWLIST_UNLOCK(&feature_groups);
|
|
break;
|
|
}
|
|
res = FEATURE_RETURN_PASSDIGITS;
|
|
}
|
|
if (fge)
|
|
break;
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&feature_groups);
|
|
AST_LIST_LOCK(&feature_list);
|
|
|
|
if(!(feature = find_dynamic_feature(tok))) {
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
continue;
|
|
}
|
|
|
|
/* Feature is up for consideration */
|
|
if (!strcmp(feature->exten, code)) {
|
|
ast_verb(3, " Feature Found: %s exten: %s\n",feature->sname, tok);
|
|
res = feature->operation(chan, peer, config, code, sense, feature);
|
|
if (res != FEATURE_RETURN_KEEPTRYING) {
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
break;
|
|
}
|
|
res = FEATURE_RETURN_PASSDIGITS;
|
|
} else if (!strncmp(feature->exten, code, strlen(code)))
|
|
res = FEATURE_RETURN_STOREDIGITS;
|
|
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static void set_config_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config)
|
|
{
|
|
int x;
|
|
|
|
ast_clear_flag(config, AST_FLAGS_ALL);
|
|
|
|
ast_rwlock_rdlock(&features_lock);
|
|
for (x = 0; x < FEATURES_COUNT; x++) {
|
|
if (!ast_test_flag(builtin_features + x, AST_FEATURE_FLAG_NEEDSDTMF))
|
|
continue;
|
|
|
|
if (ast_test_flag(&(config->features_caller), builtin_features[x].feature_mask))
|
|
ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
|
|
|
|
if (ast_test_flag(&(config->features_callee), builtin_features[x].feature_mask))
|
|
ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
|
|
}
|
|
ast_rwlock_unlock(&features_lock);
|
|
|
|
if (chan && peer && !(ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_0) && ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_1))) {
|
|
const char *dynamic_features = pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES");
|
|
|
|
if (dynamic_features) {
|
|
char *tmp = ast_strdupa(dynamic_features);
|
|
char *tok;
|
|
struct ast_call_feature *feature;
|
|
|
|
/* while we have a feature */
|
|
while ((tok = strsep(&tmp, "#"))) {
|
|
AST_LIST_LOCK(&feature_list);
|
|
if ((feature = find_dynamic_feature(tok)) && ast_test_flag(feature, AST_FEATURE_FLAG_NEEDSDTMF)) {
|
|
if (ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLER))
|
|
ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
|
|
if (ast_test_flag(feature, AST_FEATURE_FLAG_BYCALLEE))
|
|
ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
|
|
}
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief Get feature and dial
|
|
* \param caller,transferee,type,format,data,timeout,outstate,cid_num,cid_name,igncallerstate
|
|
*
|
|
* Request channel, set channel variables, initiate call,check if they want to disconnect
|
|
* go into loop, check if timeout has elapsed, check if person to be transfered hung up,
|
|
* check for answer break loop, set cdr return channel.
|
|
*
|
|
* \todo XXX Check - this is very similar to the code in channel.c
|
|
* \return always a channel
|
|
*/
|
|
static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *caller, struct ast_channel *transferee, const char *type, int format, void *data, int timeout, int *outstate, const char *cid_num, const char *cid_name, int igncallerstate)
|
|
{
|
|
int state = 0;
|
|
int cause = 0;
|
|
int to;
|
|
struct ast_channel *chan;
|
|
struct ast_channel *monitor_chans[2];
|
|
struct ast_channel *active_channel;
|
|
int res = 0, ready = 0;
|
|
|
|
if ((chan = ast_request(type, format, data, &cause))) {
|
|
ast_set_callerid(chan, cid_num, cid_name, cid_num);
|
|
ast_channel_inherit_variables(caller, chan);
|
|
pbx_builtin_setvar_helper(chan, "TRANSFERERNAME", caller->name);
|
|
if (!chan->cdr) {
|
|
chan->cdr=ast_cdr_alloc();
|
|
if (chan->cdr) {
|
|
ast_cdr_init(chan->cdr, chan); /* initilize our channel's cdr */
|
|
ast_cdr_start(chan->cdr);
|
|
}
|
|
}
|
|
|
|
if (!ast_call(chan, data, timeout)) {
|
|
struct timeval started;
|
|
int x, len = 0;
|
|
char *disconnect_code = NULL, *dialed_code = NULL;
|
|
|
|
ast_indicate(caller, AST_CONTROL_RINGING);
|
|
/* support dialing of the featuremap disconnect code while performing an attended tranfer */
|
|
ast_rwlock_rdlock(&features_lock);
|
|
for (x = 0; x < FEATURES_COUNT; x++) {
|
|
if (strcasecmp(builtin_features[x].sname, "disconnect"))
|
|
continue;
|
|
|
|
disconnect_code = builtin_features[x].exten;
|
|
len = strlen(disconnect_code) + 1;
|
|
dialed_code = alloca(len);
|
|
memset(dialed_code, 0, len);
|
|
break;
|
|
}
|
|
ast_rwlock_unlock(&features_lock);
|
|
x = 0;
|
|
started = ast_tvnow();
|
|
to = timeout;
|
|
|
|
ast_poll_channel_add(caller, chan);
|
|
|
|
while (!((transferee && ast_check_hangup(transferee)) && (!igncallerstate && ast_check_hangup(caller))) && timeout && (chan->_state != AST_STATE_UP)) {
|
|
struct ast_frame *f = NULL;
|
|
|
|
monitor_chans[0] = caller;
|
|
monitor_chans[1] = chan;
|
|
active_channel = ast_waitfor_n(monitor_chans, 2, &to);
|
|
|
|
/* see if the timeout has been violated */
|
|
if(ast_tvdiff_ms(ast_tvnow(), started) > timeout) {
|
|
state = AST_CONTROL_UNHOLD;
|
|
ast_log(LOG_NOTICE, "We exceeded our AT-timeout\n");
|
|
break; /*doh! timeout*/
|
|
}
|
|
|
|
if (!active_channel)
|
|
continue;
|
|
|
|
if (chan && (chan == active_channel)){
|
|
f = ast_read(chan);
|
|
if (f == NULL) { /*doh! where'd he go?*/
|
|
state = AST_CONTROL_HANGUP;
|
|
res = 0;
|
|
break;
|
|
}
|
|
|
|
if (f->frametype == AST_FRAME_CONTROL || f->frametype == AST_FRAME_DTMF || f->frametype == AST_FRAME_TEXT) {
|
|
if (f->subclass == AST_CONTROL_RINGING) {
|
|
state = f->subclass;
|
|
ast_verb(3, "%s is ringing\n", chan->name);
|
|
ast_indicate(caller, AST_CONTROL_RINGING);
|
|
} else if ((f->subclass == AST_CONTROL_BUSY) || (f->subclass == AST_CONTROL_CONGESTION)) {
|
|
state = f->subclass;
|
|
ast_verb(3, "%s is busy\n", chan->name);
|
|
ast_indicate(caller, AST_CONTROL_BUSY);
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
break;
|
|
} else if (f->subclass == AST_CONTROL_ANSWER) {
|
|
/* This is what we are hoping for */
|
|
state = f->subclass;
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
ready=1;
|
|
break;
|
|
} else if (f->subclass != -1) {
|
|
ast_log(LOG_NOTICE, "Don't know what to do about control frame: %d\n", f->subclass);
|
|
}
|
|
/* else who cares */
|
|
}
|
|
|
|
} else if (caller && (active_channel == caller)) {
|
|
f = ast_read(caller);
|
|
if (f == NULL) { /*doh! where'd he go?*/
|
|
if (!igncallerstate) {
|
|
if (ast_check_hangup(caller) && !ast_check_hangup(chan)) {
|
|
/* make this a blind transfer */
|
|
ready = 1;
|
|
break;
|
|
}
|
|
state = AST_CONTROL_HANGUP;
|
|
res = 0;
|
|
break;
|
|
}
|
|
} else {
|
|
|
|
if (f->frametype == AST_FRAME_DTMF) {
|
|
dialed_code[x++] = f->subclass;
|
|
dialed_code[x] = '\0';
|
|
if (strlen(dialed_code) == len) {
|
|
x = 0;
|
|
} else if (x && strncmp(dialed_code, disconnect_code, x)) {
|
|
x = 0;
|
|
dialed_code[x] = '\0';
|
|
}
|
|
if (*dialed_code && !strcmp(dialed_code, disconnect_code)) {
|
|
/* Caller Canceled the call */
|
|
state = AST_CONTROL_UNHOLD;
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (f)
|
|
ast_frfree(f);
|
|
} /* end while */
|
|
|
|
ast_poll_channel_del(caller, chan);
|
|
|
|
} else
|
|
ast_log(LOG_NOTICE, "Unable to call channel %s/%s\n", type, (char *)data);
|
|
} else {
|
|
ast_log(LOG_NOTICE, "Unable to request channel %s/%s\n", type, (char *)data);
|
|
switch(cause) {
|
|
case AST_CAUSE_BUSY:
|
|
state = AST_CONTROL_BUSY;
|
|
break;
|
|
case AST_CAUSE_CONGESTION:
|
|
state = AST_CONTROL_CONGESTION;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ast_indicate(caller, -1);
|
|
if (chan && ready) {
|
|
if (chan->_state == AST_STATE_UP)
|
|
state = AST_CONTROL_ANSWER;
|
|
res = 0;
|
|
} else if(chan) {
|
|
res = -1;
|
|
ast_hangup(chan);
|
|
chan = NULL;
|
|
} else {
|
|
res = -1;
|
|
}
|
|
|
|
if (outstate)
|
|
*outstate = state;
|
|
|
|
if (chan && res <= 0) {
|
|
if (chan->cdr || (chan->cdr = ast_cdr_alloc())) {
|
|
char tmp[256];
|
|
ast_cdr_init(chan->cdr, chan);
|
|
snprintf(tmp, 256, "%s/%s", type, (char *)data);
|
|
ast_cdr_setapp(chan->cdr,"Dial",tmp);
|
|
ast_cdr_update(chan);
|
|
ast_cdr_start(chan->cdr);
|
|
ast_cdr_end(chan->cdr);
|
|
/* If the cause wasn't handled properly */
|
|
if (ast_cdr_disposition(chan->cdr,chan->hangupcause))
|
|
ast_cdr_failed(chan->cdr);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
|
|
}
|
|
}
|
|
|
|
return chan;
|
|
}
|
|
|
|
/*!
|
|
* \brief bridge the call and set CDR
|
|
* \param chan,peer,config
|
|
*
|
|
* Set start time, check for two channels,check if monitor on
|
|
* check for feature activation, create new CDR
|
|
* \retval res on success.
|
|
* \retval -1 on failure to bridge.
|
|
*/
|
|
int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast_bridge_config *config)
|
|
{
|
|
/* Copy voice back and forth between the two channels. Give the peer
|
|
the ability to transfer calls with '#<extension' syntax. */
|
|
struct ast_frame *f;
|
|
struct ast_channel *who;
|
|
char chan_featurecode[FEATURE_MAX_LEN + 1]="";
|
|
char peer_featurecode[FEATURE_MAX_LEN + 1]="";
|
|
int res;
|
|
int diff;
|
|
int hasfeatures=0;
|
|
int hadfeatures=0;
|
|
struct ast_option_header *aoh;
|
|
struct ast_bridge_config backup_config;
|
|
struct ast_cdr *bridge_cdr;
|
|
|
|
memset(&backup_config, 0, sizeof(backup_config));
|
|
|
|
config->start_time = ast_tvnow();
|
|
|
|
if (chan && peer) {
|
|
pbx_builtin_setvar_helper(chan, "BRIDGEPEER", peer->name);
|
|
pbx_builtin_setvar_helper(peer, "BRIDGEPEER", chan->name);
|
|
} else if (chan)
|
|
pbx_builtin_setvar_helper(chan, "BLINDTRANSFER", NULL);
|
|
|
|
if (monitor_ok) {
|
|
const char *monitor_exec;
|
|
struct ast_channel *src = NULL;
|
|
if (!monitor_app) {
|
|
if (!(monitor_app = pbx_findapp("Monitor")))
|
|
monitor_ok=0;
|
|
}
|
|
if ((monitor_exec = pbx_builtin_getvar_helper(chan, "AUTO_MONITOR")))
|
|
src = chan;
|
|
else if ((monitor_exec = pbx_builtin_getvar_helper(peer, "AUTO_MONITOR")))
|
|
src = peer;
|
|
if (monitor_app && src) {
|
|
char *tmp = ast_strdupa(monitor_exec);
|
|
pbx_exec(src, monitor_app, tmp);
|
|
}
|
|
}
|
|
|
|
set_config_flags(chan, peer, config);
|
|
config->firstpass = 1;
|
|
|
|
/* Answer if need be */
|
|
if (ast_answer(chan))
|
|
return -1;
|
|
peer->appl = "Bridged Call";
|
|
peer->data = chan->name;
|
|
|
|
/* copy the userfield from the B-leg to A-leg if applicable */
|
|
if (chan->cdr && peer->cdr && !ast_strlen_zero(peer->cdr->userfield)) {
|
|
char tmp[256];
|
|
if (!ast_strlen_zero(chan->cdr->userfield)) {
|
|
snprintf(tmp, sizeof(tmp), "%s;%s", chan->cdr->userfield, peer->cdr->userfield);
|
|
ast_cdr_appenduserfield(chan, tmp);
|
|
} else
|
|
ast_cdr_setuserfield(chan, peer->cdr->userfield);
|
|
/* free the peer's cdr without ast_cdr_free complaining */
|
|
ast_free(peer->cdr);
|
|
peer->cdr = NULL;
|
|
}
|
|
|
|
for (;;) {
|
|
struct ast_channel *other; /* used later */
|
|
|
|
res = ast_channel_bridge(chan, peer, config, &f, &who);
|
|
|
|
if (config->feature_timer) {
|
|
/* Update time limit for next pass */
|
|
diff = ast_tvdiff_ms(ast_tvnow(), config->start_time);
|
|
config->feature_timer -= diff;
|
|
if (hasfeatures) {
|
|
/* Running on backup config, meaning a feature might be being
|
|
activated, but that's no excuse to keep things going
|
|
indefinitely! */
|
|
if (backup_config.feature_timer && ((backup_config.feature_timer -= diff) <= 0)) {
|
|
ast_debug(1, "Timed out, realtime this time!\n");
|
|
config->feature_timer = 0;
|
|
who = chan;
|
|
if (f)
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
res = 0;
|
|
} else if (config->feature_timer <= 0) {
|
|
/* Not *really* out of time, just out of time for
|
|
digits to come in for features. */
|
|
ast_debug(1, "Timed out for feature!\n");
|
|
if (!ast_strlen_zero(peer_featurecode)) {
|
|
ast_dtmf_stream(chan, peer, peer_featurecode, 0, 0);
|
|
memset(peer_featurecode, 0, sizeof(peer_featurecode));
|
|
}
|
|
if (!ast_strlen_zero(chan_featurecode)) {
|
|
ast_dtmf_stream(peer, chan, chan_featurecode, 0, 0);
|
|
memset(chan_featurecode, 0, sizeof(chan_featurecode));
|
|
}
|
|
if (f)
|
|
ast_frfree(f);
|
|
hasfeatures = !ast_strlen_zero(chan_featurecode) || !ast_strlen_zero(peer_featurecode);
|
|
if (!hasfeatures) {
|
|
/* Restore original (possibly time modified) bridge config */
|
|
memcpy(config, &backup_config, sizeof(struct ast_bridge_config));
|
|
memset(&backup_config, 0, sizeof(backup_config));
|
|
}
|
|
hadfeatures = hasfeatures;
|
|
/* Continue as we were */
|
|
continue;
|
|
} else if (!f) {
|
|
/* The bridge returned without a frame and there is a feature in progress.
|
|
* However, we don't think the feature has quite yet timed out, so just
|
|
* go back into the bridge. */
|
|
continue;
|
|
}
|
|
} else {
|
|
if (config->feature_timer <=0) {
|
|
/* We ran out of time */
|
|
config->feature_timer = 0;
|
|
who = chan;
|
|
if (f)
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
res = 0;
|
|
}
|
|
}
|
|
}
|
|
if (res < 0) {
|
|
if (!ast_test_flag(chan, AST_FLAG_ZOMBIE) && !ast_test_flag(peer, AST_FLAG_ZOMBIE) && !ast_check_hangup(chan) && !ast_check_hangup(peer))
|
|
ast_log(LOG_WARNING, "Bridge failed on channels %s and %s\n", chan->name, peer->name);
|
|
return -1;
|
|
}
|
|
|
|
if (!f || (f->frametype == AST_FRAME_CONTROL &&
|
|
(f->subclass == AST_CONTROL_HANGUP || f->subclass == AST_CONTROL_BUSY ||
|
|
f->subclass == AST_CONTROL_CONGESTION))) {
|
|
res = -1;
|
|
break;
|
|
}
|
|
/* many things should be sent to the 'other' channel */
|
|
other = (who == chan) ? peer : chan;
|
|
if (f->frametype == AST_FRAME_CONTROL) {
|
|
switch (f->subclass) {
|
|
case AST_CONTROL_RINGING:
|
|
case AST_CONTROL_FLASH:
|
|
case -1:
|
|
ast_indicate(other, f->subclass);
|
|
break;
|
|
case AST_CONTROL_HOLD:
|
|
case AST_CONTROL_UNHOLD:
|
|
ast_indicate_data(other, f->subclass, f->data, f->datalen);
|
|
break;
|
|
case AST_CONTROL_OPTION:
|
|
aoh = f->data;
|
|
/* Forward option Requests */
|
|
if (aoh && aoh->flag == AST_OPTION_FLAG_REQUEST) {
|
|
ast_channel_setoption(other, ntohs(aoh->option), aoh->data,
|
|
f->datalen - sizeof(struct ast_option_header), 0);
|
|
}
|
|
break;
|
|
}
|
|
} else if (f->frametype == AST_FRAME_DTMF_BEGIN) {
|
|
/* eat it */
|
|
} else if (f->frametype == AST_FRAME_DTMF) {
|
|
char *featurecode;
|
|
int sense;
|
|
|
|
hadfeatures = hasfeatures;
|
|
/* This cannot overrun because the longest feature is one shorter than our buffer */
|
|
if (who == chan) {
|
|
sense = FEATURE_SENSE_CHAN;
|
|
featurecode = chan_featurecode;
|
|
} else {
|
|
sense = FEATURE_SENSE_PEER;
|
|
featurecode = peer_featurecode;
|
|
}
|
|
/*! append the event to featurecode. we rely on the string being zero-filled, and
|
|
* not overflowing it.
|
|
* \todo XXX how do we guarantee the latter ?
|
|
*/
|
|
featurecode[strlen(featurecode)] = f->subclass;
|
|
/* Get rid of the frame before we start doing "stuff" with the channels */
|
|
ast_frfree(f);
|
|
f = NULL;
|
|
config->feature_timer = backup_config.feature_timer;
|
|
res = ast_feature_interpret(chan, peer, config, featurecode, sense);
|
|
switch(res) {
|
|
case FEATURE_RETURN_PASSDIGITS:
|
|
ast_dtmf_stream(other, who, featurecode, 0, 0);
|
|
/* Fall through */
|
|
case FEATURE_RETURN_SUCCESS:
|
|
memset(featurecode, 0, sizeof(chan_featurecode));
|
|
break;
|
|
}
|
|
if (res >= FEATURE_RETURN_PASSDIGITS) {
|
|
res = 0;
|
|
} else
|
|
break;
|
|
hasfeatures = !ast_strlen_zero(chan_featurecode) || !ast_strlen_zero(peer_featurecode);
|
|
if (hadfeatures && !hasfeatures) {
|
|
/* Restore backup */
|
|
memcpy(config, &backup_config, sizeof(struct ast_bridge_config));
|
|
memset(&backup_config, 0, sizeof(struct ast_bridge_config));
|
|
} else if (hasfeatures) {
|
|
if (!hadfeatures) {
|
|
/* Backup configuration */
|
|
memcpy(&backup_config, config, sizeof(struct ast_bridge_config));
|
|
/* Setup temporary config options */
|
|
config->play_warning = 0;
|
|
ast_clear_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
|
|
ast_clear_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
|
|
config->warning_freq = 0;
|
|
config->warning_sound = NULL;
|
|
config->end_sound = NULL;
|
|
config->start_sound = NULL;
|
|
config->firstpass = 0;
|
|
}
|
|
config->start_time = ast_tvnow();
|
|
config->feature_timer = featuredigittimeout;
|
|
ast_debug(1, "Set time limit to %ld\n", config->feature_timer);
|
|
}
|
|
}
|
|
if (f)
|
|
ast_frfree(f);
|
|
|
|
}
|
|
/* arrange the cdrs */
|
|
bridge_cdr = ast_cdr_alloc();
|
|
if (bridge_cdr) {
|
|
if (chan->cdr && peer->cdr) { /* both of them? merge */
|
|
ast_cdr_init(bridge_cdr,chan); /* seems more logicaller to use the destination as a base, but, really, it's random */
|
|
ast_cdr_start(bridge_cdr); /* now is the time to start */
|
|
|
|
/* absorb the channel cdr */
|
|
ast_cdr_merge(bridge_cdr, chan->cdr);
|
|
if (!ast_test_flag(chan->cdr, AST_CDR_FLAG_LOCKED))
|
|
ast_cdr_discard(chan->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
|
|
|
|
/* absorb the peer cdr */
|
|
ast_cdr_merge(bridge_cdr, peer->cdr);
|
|
if (!ast_test_flag(peer->cdr, AST_CDR_FLAG_LOCKED))
|
|
ast_cdr_discard(peer->cdr); /* if locked cdrs are in peer, they are taken over in the merge */
|
|
|
|
peer->cdr = NULL;
|
|
chan->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
|
|
} else if (chan->cdr) {
|
|
/* take the cdr from the channel - literally */
|
|
ast_cdr_init(bridge_cdr,chan);
|
|
/* absorb this data */
|
|
ast_cdr_merge(bridge_cdr, chan->cdr);
|
|
if (!ast_test_flag(chan->cdr, AST_CDR_FLAG_LOCKED))
|
|
ast_cdr_discard(chan->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
|
|
chan->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
|
|
} else if (peer->cdr) {
|
|
/* take the cdr from the peer - literally */
|
|
ast_cdr_init(bridge_cdr,peer);
|
|
/* absorb this data */
|
|
ast_cdr_merge(bridge_cdr, peer->cdr);
|
|
if (!ast_test_flag(peer->cdr, AST_CDR_FLAG_LOCKED))
|
|
ast_cdr_discard(peer->cdr); /* if locked cdrs are in chan, they are taken over in the merge */
|
|
peer->cdr = NULL;
|
|
peer->cdr = bridge_cdr; /* make this available to the rest of the world via the chan while the call is in progress */
|
|
} else {
|
|
/* make up a new cdr */
|
|
ast_cdr_init(bridge_cdr,chan); /* eh, just pick one of them */
|
|
chan->cdr = bridge_cdr; /* */
|
|
}
|
|
if (ast_strlen_zero(bridge_cdr->dstchannel)) {
|
|
if (strcmp(bridge_cdr->channel, peer->name) != 0)
|
|
ast_cdr_setdestchan(bridge_cdr, peer->name);
|
|
else
|
|
ast_cdr_setdestchan(bridge_cdr, chan->name);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/*! \brief Output parking event to manager */
|
|
static void post_manager_event(const char *s, struct parkeduser *pu)
|
|
{
|
|
manager_event(EVENT_FLAG_CALL, s,
|
|
"Exten: %s\r\n"
|
|
"Channel: %s\r\n"
|
|
"CallerIDNum: %s\r\n"
|
|
"CallerIDName: %s\r\n\r\n",
|
|
pu->parkingexten,
|
|
pu->chan->name,
|
|
S_OR(pu->chan->cid.cid_num, "<unknown>"),
|
|
S_OR(pu->chan->cid.cid_name, "<unknown>")
|
|
);
|
|
}
|
|
|
|
/*!
|
|
* \brief Take care of parked calls and unpark them if needed
|
|
* \param ignore unused var.
|
|
*
|
|
* Start inf loop, lock parking lot, check if any parked channels have gone above timeout
|
|
* if so, remove channel from parking lot and return it to the extension that parked it.
|
|
* Check if parked channel decided to hangup, wait until next FD via select().
|
|
*/
|
|
static void *do_parking_thread(void *ignore)
|
|
{
|
|
char parkingslot[AST_MAX_EXTENSION];
|
|
fd_set rfds, efds; /* results from previous select, to be preserved across loops. */
|
|
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&efds);
|
|
|
|
for (;;) {
|
|
struct parkeduser *pu;
|
|
int ms = -1; /* select timeout, uninitialized */
|
|
int max = -1; /* max fd, none there yet */
|
|
fd_set nrfds, nefds; /* args for the next select */
|
|
FD_ZERO(&nrfds);
|
|
FD_ZERO(&nefds);
|
|
|
|
AST_LIST_LOCK(&parkinglot);
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&parkinglot, pu, list) {
|
|
struct ast_channel *chan = pu->chan; /* shorthand */
|
|
int tms; /* timeout for this item */
|
|
int x; /* fd index in channel */
|
|
struct ast_context *con;
|
|
|
|
if (pu->notquiteyet) /* Pretend this one isn't here yet */
|
|
continue;
|
|
tms = ast_tvdiff_ms(ast_tvnow(), pu->start);
|
|
if (tms > pu->parkingtime) {
|
|
ast_indicate(chan, AST_CONTROL_UNHOLD);
|
|
/* Get chan, exten from derived kludge */
|
|
if (pu->peername[0]) {
|
|
char *peername = ast_strdupa(pu->peername);
|
|
char *cp = strrchr(peername, '-');
|
|
char peername_flat[AST_MAX_EXTENSION]; /* using something like Zap/52 for an extension name is NOT a good idea */
|
|
int i;
|
|
|
|
if (cp)
|
|
*cp = 0;
|
|
ast_copy_string(peername_flat,peername,sizeof(peername_flat));
|
|
for(i=0; peername_flat[i] && i < AST_MAX_EXTENSION; i++) {
|
|
if (peername_flat[i] == '/')
|
|
peername_flat[i]= '0';
|
|
}
|
|
con = ast_context_find(parking_con_dial);
|
|
if (!con) {
|
|
con = ast_context_create(NULL, parking_con_dial, registrar);
|
|
if (!con)
|
|
ast_log(LOG_ERROR, "Parking dial context '%s' does not exist and unable to create\n", parking_con_dial);
|
|
}
|
|
if (con) {
|
|
char returnexten[AST_MAX_EXTENSION];
|
|
snprintf(returnexten, sizeof(returnexten), "%s,,t", peername);
|
|
ast_add_extension2(con, 1, peername_flat, 1, NULL, NULL, "Dial", ast_strdup(returnexten), ast_free_ptr, registrar);
|
|
}
|
|
if (comebacktoorigin) {
|
|
set_c_e_p(chan, parking_con_dial, peername_flat, 1);
|
|
} else {
|
|
ast_log(LOG_WARNING, "now going to parkedcallstimeout,s,1 | ps is %d\n",pu->parkingnum);
|
|
snprintf(parkingslot, sizeof(parkingslot), "%d", pu->parkingnum);
|
|
pbx_builtin_setvar_helper(pu->chan, "PARKINGSLOT", parkingslot);
|
|
set_c_e_p(chan, "parkedcallstimeout", peername_flat, 1);
|
|
}
|
|
} else {
|
|
/* They've been waiting too long, send them back to where they came. Theoretically they
|
|
should have their original extensions and such, but we copy to be on the safe side */
|
|
set_c_e_p(chan, pu->context, pu->exten, pu->priority);
|
|
}
|
|
|
|
post_manager_event("ParkedCallTimeOut", pu);
|
|
|
|
ast_verb(2, "Timeout for %s parked on %d. Returning to %s,%s,%d\n", chan->name, pu->parkingnum, chan->context, chan->exten, chan->priority);
|
|
/* Start up the PBX, or hang them up */
|
|
if (ast_pbx_start(chan)) {
|
|
ast_log(LOG_WARNING, "Unable to restart the PBX for user on '%s', hanging them up...\n", chan->name);
|
|
ast_hangup(chan);
|
|
}
|
|
/* And take them out of the parking lot */
|
|
AST_LIST_REMOVE_CURRENT(list);
|
|
con = ast_context_find(parking_con);
|
|
if (con) {
|
|
if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
|
|
ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
|
|
else
|
|
notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
|
|
} else
|
|
ast_log(LOG_WARNING, "Whoa, no parking context?\n");
|
|
ast_free(pu);
|
|
} else { /* still within parking time, process descriptors */
|
|
for (x = 0; x < AST_MAX_FDS; x++) {
|
|
struct ast_frame *f;
|
|
|
|
if (chan->fds[x] == -1 || (!FD_ISSET(chan->fds[x], &rfds) && !FD_ISSET(chan->fds[x], &efds)))
|
|
continue; /* nothing on this descriptor */
|
|
|
|
if (FD_ISSET(chan->fds[x], &efds))
|
|
ast_set_flag(chan, AST_FLAG_EXCEPTION);
|
|
else
|
|
ast_clear_flag(chan, AST_FLAG_EXCEPTION);
|
|
chan->fdno = x;
|
|
|
|
/* See if they need servicing */
|
|
f = ast_read(chan);
|
|
if (!f || (f->frametype == AST_FRAME_CONTROL && f->subclass == AST_CONTROL_HANGUP)) {
|
|
if (f)
|
|
ast_frfree(f);
|
|
post_manager_event("ParkedCallGiveUp", pu);
|
|
|
|
/* There's a problem, hang them up*/
|
|
ast_verb(2, "%s got tired of being parked\n", chan->name);
|
|
ast_hangup(chan);
|
|
/* And take them out of the parking lot */
|
|
AST_LIST_REMOVE_CURRENT(list);
|
|
con = ast_context_find(parking_con);
|
|
if (con) {
|
|
if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
|
|
ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
|
|
else
|
|
notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
|
|
} else
|
|
ast_log(LOG_WARNING, "Whoa, no parking context?\n");
|
|
ast_free(pu);
|
|
break;
|
|
} else {
|
|
/*! \todo XXX Maybe we could do something with packets, like dial "0" for operator or something XXX */
|
|
ast_frfree(f);
|
|
if (pu->moh_trys < 3 && !chan->generatordata) {
|
|
ast_debug(1, "MOH on parked call stopped by outside source. Restarting.\n");
|
|
ast_indicate_data(chan, AST_CONTROL_HOLD,
|
|
S_OR(parkmohclass, NULL),
|
|
!ast_strlen_zero(parkmohclass) ? strlen(parkmohclass) + 1 : 0);
|
|
pu->moh_trys++;
|
|
}
|
|
goto std; /*! \todo XXX Ick: jumping into an else statement??? XXX */
|
|
}
|
|
|
|
} /* end for */
|
|
if (x >= AST_MAX_FDS) {
|
|
std: for (x=0; x<AST_MAX_FDS; x++) { /* mark fds for next round */
|
|
if (chan->fds[x] > -1) {
|
|
FD_SET(chan->fds[x], &nrfds);
|
|
FD_SET(chan->fds[x], &nefds);
|
|
if (chan->fds[x] > max)
|
|
max = chan->fds[x];
|
|
}
|
|
}
|
|
/* Keep track of our shortest wait */
|
|
if (tms < ms || ms < 0)
|
|
ms = tms;
|
|
}
|
|
}
|
|
} /* end while */
|
|
AST_LIST_TRAVERSE_SAFE_END
|
|
AST_LIST_UNLOCK(&parkinglot);
|
|
rfds = nrfds;
|
|
efds = nefds;
|
|
{
|
|
struct timeval tv = ast_samp2tv(ms, 1000);
|
|
/* Wait for something to happen */
|
|
ast_select(max + 1, &rfds, NULL, &efds, (ms > -1) ? &tv : NULL);
|
|
}
|
|
pthread_testcancel();
|
|
}
|
|
return NULL; /* Never reached */
|
|
}
|
|
|
|
/*! \brief Park a call */
|
|
static int park_call_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
/* Cache the original channel name in case we get masqueraded in the middle
|
|
* of a park--it is still theoretically possible for a transfer to happen before
|
|
* we get here, but it is _really_ unlikely */
|
|
char *orig_chan_name = ast_strdupa(chan->name);
|
|
char orig_exten[AST_MAX_EXTENSION];
|
|
int orig_priority = chan->priority;
|
|
|
|
/* Data is unused at the moment but could contain a parking
|
|
lot context eventually */
|
|
int res = 0;
|
|
|
|
ast_copy_string(orig_exten, chan->exten, sizeof(orig_exten));
|
|
|
|
/* Setup the exten/priority to be s/1 since we don't know
|
|
where this call should return */
|
|
strcpy(chan->exten, "s");
|
|
chan->priority = 1;
|
|
/* Answer if call is not up */
|
|
if (chan->_state != AST_STATE_UP)
|
|
res = ast_answer(chan);
|
|
/* Sleep to allow VoIP streams to settle down */
|
|
if (!res)
|
|
res = ast_safe_sleep(chan, 1000);
|
|
/* Park the call */
|
|
if (!res) {
|
|
res = park_call_full(chan, chan, 0, NULL, orig_chan_name);
|
|
/* Continue on in the dialplan */
|
|
if (res == 1) {
|
|
ast_copy_string(chan->exten, orig_exten, sizeof(chan->exten));
|
|
chan->priority = orig_priority;
|
|
res = 0;
|
|
} else if (!res)
|
|
res = AST_PBX_KEEPALIVE;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/*! \brief Pickup parked call */
|
|
static int park_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
int res = 0;
|
|
struct ast_channel *peer=NULL;
|
|
struct parkeduser *pu;
|
|
struct ast_context *con;
|
|
int park = 0;
|
|
struct ast_bridge_config config;
|
|
|
|
if (data)
|
|
park = atoi((char *)data);
|
|
|
|
AST_LIST_LOCK(&parkinglot);
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&parkinglot, pu, list) {
|
|
if (!data || pu->parkingnum == park) {
|
|
AST_LIST_REMOVE_CURRENT(list);
|
|
break;
|
|
}
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END
|
|
AST_LIST_UNLOCK(&parkinglot);
|
|
|
|
if (pu) {
|
|
peer = pu->chan;
|
|
con = ast_context_find(parking_con);
|
|
if (con) {
|
|
if (ast_context_remove_extension2(con, pu->parkingexten, 1, NULL))
|
|
ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
|
|
else
|
|
notify_metermaids(pu->parkingexten, parking_con, AST_DEVICE_NOT_INUSE);
|
|
} else
|
|
ast_log(LOG_WARNING, "Whoa, no parking context?\n");
|
|
|
|
manager_event(EVENT_FLAG_CALL, "UnParkedCall",
|
|
"Exten: %s\r\n"
|
|
"Channel: %s\r\n"
|
|
"From: %s\r\n"
|
|
"CallerIDNum: %s\r\n"
|
|
"CallerIDName: %s\r\n",
|
|
pu->parkingexten, pu->chan->name, chan->name,
|
|
S_OR(pu->chan->cid.cid_num, "<unknown>"),
|
|
S_OR(pu->chan->cid.cid_name, "<unknown>")
|
|
);
|
|
|
|
ast_free(pu);
|
|
}
|
|
/* JK02: it helps to answer the channel if not already up */
|
|
if (chan->_state != AST_STATE_UP)
|
|
ast_answer(chan);
|
|
|
|
if (peer) {
|
|
/* Play a courtesy to the source(s) configured to prefix the bridge connecting */
|
|
|
|
if (!ast_strlen_zero(courtesytone)) {
|
|
int error = 0;
|
|
ast_indicate(peer, AST_CONTROL_UNHOLD);
|
|
if (parkedplay == 0) {
|
|
error = ast_stream_and_wait(chan, courtesytone, "");
|
|
} else if (parkedplay == 1) {
|
|
error = ast_stream_and_wait(peer, courtesytone, "");
|
|
} else if (parkedplay == 2) {
|
|
if (!ast_streamfile(chan, courtesytone, chan->language) &&
|
|
!ast_streamfile(peer, courtesytone, chan->language)) {
|
|
/*! \todo XXX we would like to wait on both! */
|
|
res = ast_waitstream(chan, "");
|
|
if (res >= 0)
|
|
res = ast_waitstream(peer, "");
|
|
if (res < 0)
|
|
error = 1;
|
|
}
|
|
}
|
|
if (error) {
|
|
ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
|
|
ast_hangup(peer);
|
|
return -1;
|
|
}
|
|
} else
|
|
ast_indicate(peer, AST_CONTROL_UNHOLD);
|
|
|
|
res = ast_channel_make_compatible(chan, peer);
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for bridge\n", chan->name, peer->name);
|
|
ast_hangup(peer);
|
|
return -1;
|
|
}
|
|
/* This runs sorta backwards, since we give the incoming channel control, as if it
|
|
were the person called. */
|
|
ast_verb(3, "Channel %s connected to parked call %d\n", chan->name, park);
|
|
|
|
pbx_builtin_setvar_helper(chan, "PARKEDCHANNEL", peer->name);
|
|
ast_cdr_setdestchan(chan->cdr, peer->name);
|
|
memset(&config, 0, sizeof(struct ast_bridge_config));
|
|
if ((parkedcalltransfers == AST_FEATURE_FLAG_BYCALLEE) || (parkedcalltransfers == AST_FEATURE_FLAG_BYBOTH))
|
|
ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
|
|
if ((parkedcalltransfers == AST_FEATURE_FLAG_BYCALLER) || (parkedcalltransfers == AST_FEATURE_FLAG_BYBOTH))
|
|
ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
|
|
if ((parkedcallreparking == AST_FEATURE_FLAG_BYCALLEE) || (parkedcallreparking == AST_FEATURE_FLAG_BYBOTH))
|
|
ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
|
|
if ((parkedcallreparking == AST_FEATURE_FLAG_BYCALLER) || (parkedcallreparking == AST_FEATURE_FLAG_BYBOTH))
|
|
ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
|
|
res = ast_bridge_call(chan, peer, &config);
|
|
|
|
pbx_builtin_setvar_helper(chan, "PARKEDCHANNEL", peer->name);
|
|
ast_cdr_setdestchan(chan->cdr, peer->name);
|
|
|
|
/* Simulate the PBX hanging up */
|
|
if (res != AST_PBX_NO_HANGUP_PEER)
|
|
ast_hangup(peer);
|
|
return res;
|
|
} else {
|
|
/*! \todo XXX Play a message XXX */
|
|
if (ast_stream_and_wait(chan, "pbx-invalidpark", ""))
|
|
ast_log(LOG_WARNING, "ast_streamfile of %s failed on %s\n", "pbx-invalidpark", chan->name);
|
|
ast_verb(3, "Channel %s tried to talk to nonexistent parked call %d\n", chan->name, park);
|
|
res = -1;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/*!
|
|
* \brief Add parking hints for all defined parking lots
|
|
* \param context
|
|
* \param start starting parkinglot number
|
|
* \param stop ending parkinglot number
|
|
*/
|
|
static void park_add_hints(char *context, int start, int stop)
|
|
{
|
|
int numext;
|
|
char device[AST_MAX_EXTENSION];
|
|
char exten[10];
|
|
|
|
for (numext = start; numext <= stop; numext++) {
|
|
snprintf(exten, sizeof(exten), "%d", numext);
|
|
snprintf(device, sizeof(device), "park:%s@%s", exten, context);
|
|
ast_add_extension(context, 1, exten, PRIORITY_HINT, NULL, NULL, device, NULL, NULL, registrar);
|
|
}
|
|
}
|
|
|
|
static int load_config(void)
|
|
{
|
|
int start = 0, end = 0;
|
|
int res;
|
|
int i;
|
|
struct ast_context *con = NULL;
|
|
struct ast_config *cfg = NULL;
|
|
struct ast_variable *var = NULL;
|
|
struct feature_group *fg = NULL;
|
|
struct ast_flags config_flags = { 0 };
|
|
char old_parking_ext[AST_MAX_EXTENSION];
|
|
char old_parking_con[AST_MAX_EXTENSION] = "";
|
|
char *ctg;
|
|
static const char *categories[] = {
|
|
/* Categories in features.conf that are not
|
|
* to be parsed as group categories
|
|
*/
|
|
"general",
|
|
"featuremap",
|
|
"applicationmap"
|
|
};
|
|
|
|
if (!ast_strlen_zero(parking_con)) {
|
|
strcpy(old_parking_ext, parking_ext);
|
|
strcpy(old_parking_con, parking_con);
|
|
}
|
|
|
|
/* Reset to defaults */
|
|
strcpy(parking_con, "parkedcalls");
|
|
strcpy(parking_con_dial, "park-dial");
|
|
strcpy(parking_ext, "700");
|
|
strcpy(pickup_ext, "*8");
|
|
strcpy(parkmohclass, "default");
|
|
courtesytone[0] = '\0';
|
|
strcpy(xfersound, "beep");
|
|
strcpy(xferfailsound, "pbx-invalid");
|
|
parking_start = 701;
|
|
parking_stop = 750;
|
|
parkfindnext = 0;
|
|
adsipark = 0;
|
|
comebacktoorigin = 1;
|
|
parkaddhints = 0;
|
|
parkedcalltransfers = 0;
|
|
parkedcallreparking = 0;
|
|
|
|
transferdigittimeout = DEFAULT_TRANSFER_DIGIT_TIMEOUT;
|
|
featuredigittimeout = DEFAULT_FEATURE_DIGIT_TIMEOUT;
|
|
atxfernoanswertimeout = DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER;
|
|
atxferloopdelay = DEFAULT_ATXFER_LOOP_DELAY;
|
|
atxferdropcall = DEFAULT_ATXFER_DROP_CALL;
|
|
atxfercallbackretries = DEFAULT_ATXFER_CALLBACK_RETRIES;
|
|
|
|
cfg = ast_config_load("features.conf", config_flags);
|
|
if (!cfg) {
|
|
ast_log(LOG_WARNING,"Could not load features.conf\n");
|
|
return 0;
|
|
}
|
|
for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
|
|
if (!strcasecmp(var->name, "parkext")) {
|
|
ast_copy_string(parking_ext, var->value, sizeof(parking_ext));
|
|
} else if (!strcasecmp(var->name, "context")) {
|
|
ast_copy_string(parking_con, var->value, sizeof(parking_con));
|
|
} else if (!strcasecmp(var->name, "parkingtime")) {
|
|
if ((sscanf(var->value, "%d", &parkingtime) != 1) || (parkingtime < 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid parkingtime\n", var->value);
|
|
parkingtime = DEFAULT_PARK_TIME;
|
|
} else
|
|
parkingtime = parkingtime * 1000;
|
|
} else if (!strcasecmp(var->name, "parkpos")) {
|
|
if (sscanf(var->value, "%d-%d", &start, &end) != 2) {
|
|
ast_log(LOG_WARNING, "Format for parking positions is a-b, where a and b are numbers at line %d of features.conf\n", var->lineno);
|
|
} else {
|
|
parking_start = start;
|
|
parking_stop = end;
|
|
}
|
|
} else if (!strcasecmp(var->name, "findslot")) {
|
|
parkfindnext = (!strcasecmp(var->value, "next"));
|
|
} else if (!strcasecmp(var->name, "parkinghints")) {
|
|
parkaddhints = ast_true(var->value);
|
|
} else if (!strcasecmp(var->name, "parkedcalltransfers")) {
|
|
if (!strcasecmp(var->value, "both"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYBOTH;
|
|
else if (!strcasecmp(var->value, "caller"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYCALLER;
|
|
else if (!strcasecmp(var->value, "callee"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYCALLEE;
|
|
} else if (!strcasecmp(var->name, "parkedcallreparking")) {
|
|
if (!strcasecmp(var->value, "both"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYBOTH;
|
|
else if (!strcasecmp(var->value, "caller"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYCALLER;
|
|
else if (!strcasecmp(var->value, "callee"))
|
|
parkedcalltransfers = AST_FEATURE_FLAG_BYCALLEE;
|
|
} else if (!strcasecmp(var->name, "adsipark")) {
|
|
adsipark = ast_true(var->value);
|
|
} else if (!strcasecmp(var->name, "transferdigittimeout")) {
|
|
if ((sscanf(var->value, "%d", &transferdigittimeout) != 1) || (transferdigittimeout < 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid transferdigittimeout\n", var->value);
|
|
transferdigittimeout = DEFAULT_TRANSFER_DIGIT_TIMEOUT;
|
|
} else
|
|
transferdigittimeout = transferdigittimeout * 1000;
|
|
} else if (!strcasecmp(var->name, "featuredigittimeout")) {
|
|
if ((sscanf(var->value, "%d", &featuredigittimeout) != 1) || (featuredigittimeout < 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid featuredigittimeout\n", var->value);
|
|
featuredigittimeout = DEFAULT_FEATURE_DIGIT_TIMEOUT;
|
|
}
|
|
} else if (!strcasecmp(var->name, "atxfernoanswertimeout")) {
|
|
if ((sscanf(var->value, "%d", &atxfernoanswertimeout) != 1) || (atxfernoanswertimeout < 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid atxfernoanswertimeout\n", var->value);
|
|
atxfernoanswertimeout = DEFAULT_NOANSWER_TIMEOUT_ATTENDED_TRANSFER;
|
|
} else
|
|
atxfernoanswertimeout = atxfernoanswertimeout * 1000;
|
|
} else if (!strcasecmp(var->name, "atxferloopdelay")) {
|
|
if ((sscanf(var->value, "%u", &atxferloopdelay) != 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid atxferloopdelay\n", var->value);
|
|
atxferloopdelay = DEFAULT_ATXFER_LOOP_DELAY;
|
|
} else
|
|
atxferloopdelay *= 1000;
|
|
} else if (!strcasecmp(var->name, "atxferdropcall")) {
|
|
atxferdropcall = ast_true(var->value);
|
|
} else if (!strcasecmp(var->name, "atxfercallbackretries")) {
|
|
if ((sscanf(var->value, "%u", &atxferloopdelay) != 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid atxfercallbackretries\n", var->value);
|
|
atxfercallbackretries = DEFAULT_ATXFER_CALLBACK_RETRIES;
|
|
}
|
|
} else if (!strcasecmp(var->name, "courtesytone")) {
|
|
ast_copy_string(courtesytone, var->value, sizeof(courtesytone));
|
|
} else if (!strcasecmp(var->name, "parkedplay")) {
|
|
if (!strcasecmp(var->value, "both"))
|
|
parkedplay = 2;
|
|
else if (!strcasecmp(var->value, "parked"))
|
|
parkedplay = 1;
|
|
else
|
|
parkedplay = 0;
|
|
} else if (!strcasecmp(var->name, "xfersound")) {
|
|
ast_copy_string(xfersound, var->value, sizeof(xfersound));
|
|
} else if (!strcasecmp(var->name, "xferfailsound")) {
|
|
ast_copy_string(xferfailsound, var->value, sizeof(xferfailsound));
|
|
} else if (!strcasecmp(var->name, "pickupexten")) {
|
|
ast_copy_string(pickup_ext, var->value, sizeof(pickup_ext));
|
|
} else if (!strcasecmp(var->name, "comebacktoorigin")) {
|
|
comebacktoorigin = ast_true(var->value);
|
|
} else if (!strcasecmp(var->name, "parkedmusicclass")) {
|
|
ast_copy_string(parkmohclass, var->value, sizeof(parkmohclass));
|
|
}
|
|
}
|
|
|
|
unmap_features();
|
|
for (var = ast_variable_browse(cfg, "featuremap"); var; var = var->next) {
|
|
if (remap_feature(var->name, var->value))
|
|
ast_log(LOG_NOTICE, "Unknown feature '%s'\n", var->name);
|
|
}
|
|
|
|
/* Map a key combination to an application*/
|
|
ast_unregister_features();
|
|
for (var = ast_variable_browse(cfg, "applicationmap"); var; var = var->next) {
|
|
char *tmp_val = ast_strdupa(var->value);
|
|
char *exten, *activateon, *activatedby, *app, *app_args, *moh_class;
|
|
struct ast_call_feature *feature;
|
|
|
|
/* strsep() sets the argument to NULL if match not found, and it
|
|
* is safe to use it with a NULL argument, so we don't check
|
|
* between calls.
|
|
*/
|
|
exten = strsep(&tmp_val,",");
|
|
activatedby = strsep(&tmp_val,",");
|
|
app = strsep(&tmp_val,",");
|
|
app_args = strsep(&tmp_val,",");
|
|
moh_class = strsep(&tmp_val,",");
|
|
|
|
activateon = strsep(&activatedby, "/");
|
|
|
|
/*! \todo XXX var_name or app_args ? */
|
|
if (ast_strlen_zero(app) || ast_strlen_zero(exten) || ast_strlen_zero(activateon) || ast_strlen_zero(var->name)) {
|
|
ast_log(LOG_NOTICE, "Please check the feature Mapping Syntax, either extension, name, or app aren't provided %s %s %s %s\n",
|
|
app, exten, activateon, var->name);
|
|
continue;
|
|
}
|
|
|
|
AST_LIST_LOCK(&feature_list);
|
|
if ((feature = find_dynamic_feature(var->name))) {
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
ast_log(LOG_WARNING, "Dynamic Feature '%s' specified more than once!\n", var->name);
|
|
continue;
|
|
}
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
|
|
if (!(feature = ast_calloc(1, sizeof(*feature))))
|
|
continue;
|
|
|
|
ast_copy_string(feature->sname, var->name, FEATURE_SNAME_LEN);
|
|
ast_copy_string(feature->app, app, FEATURE_APP_LEN);
|
|
ast_copy_string(feature->exten, exten, FEATURE_EXTEN_LEN);
|
|
|
|
if (app_args)
|
|
ast_copy_string(feature->app_args, app_args, FEATURE_APP_ARGS_LEN);
|
|
|
|
if (moh_class)
|
|
ast_copy_string(feature->moh_class, moh_class, FEATURE_MOH_LEN);
|
|
|
|
ast_copy_string(feature->exten, exten, sizeof(feature->exten));
|
|
feature->operation = feature_exec_app;
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_NEEDSDTMF);
|
|
|
|
/* Allow caller and calle to be specified for backwards compatability */
|
|
if (!strcasecmp(activateon, "self") || !strcasecmp(activateon, "caller"))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_ONSELF);
|
|
else if (!strcasecmp(activateon, "peer") || !strcasecmp(activateon, "callee"))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_ONPEER);
|
|
else {
|
|
ast_log(LOG_NOTICE, "Invalid 'ActivateOn' specification for feature '%s',"
|
|
" must be 'self', or 'peer'\n", var->name);
|
|
continue;
|
|
}
|
|
|
|
if (ast_strlen_zero(activatedby))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_BYBOTH);
|
|
else if (!strcasecmp(activatedby, "caller"))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_BYCALLER);
|
|
else if (!strcasecmp(activatedby, "callee"))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_BYCALLEE);
|
|
else if (!strcasecmp(activatedby, "both"))
|
|
ast_set_flag(feature, AST_FEATURE_FLAG_BYBOTH);
|
|
else {
|
|
ast_log(LOG_NOTICE, "Invalid 'ActivatedBy' specification for feature '%s',"
|
|
" must be 'caller', or 'callee', or 'both'\n", var->name);
|
|
continue;
|
|
}
|
|
|
|
ast_register_feature(feature);
|
|
|
|
ast_verb(2, "Mapping Feature '%s' to app '%s(%s)' with code '%s'\n", var->name, app, app_args, exten);
|
|
}
|
|
|
|
ast_unregister_groups();
|
|
AST_RWLIST_WRLOCK(&feature_groups);
|
|
|
|
ctg = NULL;
|
|
while ((ctg = ast_category_browse(cfg, ctg))) {
|
|
for (i = 0; i < ARRAY_LEN(categories); i++) {
|
|
if (!strcasecmp(categories[i], ctg))
|
|
break;
|
|
}
|
|
|
|
if (i < ARRAY_LEN(categories))
|
|
continue;
|
|
|
|
if (!(fg = register_group(ctg)))
|
|
continue;
|
|
|
|
for (var = ast_variable_browse(cfg, ctg); var; var = var->next) {
|
|
struct ast_call_feature *feature;
|
|
|
|
AST_LIST_LOCK(&feature_list);
|
|
if(!(feature = find_dynamic_feature(var->name)) &&
|
|
!(feature = ast_find_call_feature(var->name))) {
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
ast_log(LOG_WARNING, "Feature '%s' was not found.\n", var->name);
|
|
continue;
|
|
}
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
|
|
register_group_feature(fg, var->value, feature);
|
|
}
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&feature_groups);
|
|
|
|
ast_config_destroy(cfg);
|
|
|
|
/* Remove the old parking extension */
|
|
if (!ast_strlen_zero(old_parking_con) && (con = ast_context_find(old_parking_con))) {
|
|
if(ast_context_remove_extension2(con, old_parking_ext, 1, registrar))
|
|
notify_metermaids(old_parking_ext, old_parking_con, AST_DEVICE_NOT_INUSE);
|
|
ast_debug(1, "Removed old parking extension %s@%s\n", old_parking_ext, old_parking_con);
|
|
}
|
|
|
|
if (!(con = ast_context_find(parking_con)) && !(con = ast_context_create(NULL, parking_con, registrar))) {
|
|
ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
|
|
return -1;
|
|
}
|
|
res = ast_add_extension2(con, 1, ast_parking_ext(), 1, NULL, NULL, parkcall, NULL, NULL, registrar);
|
|
if (parkaddhints)
|
|
park_add_hints(parking_con, parking_start, parking_stop);
|
|
if (!res)
|
|
notify_metermaids(ast_parking_ext(), parking_con, AST_DEVICE_INUSE);
|
|
return res;
|
|
|
|
}
|
|
|
|
/*!
|
|
* \brief CLI command to list configured features
|
|
* \param e
|
|
* \param cmd
|
|
* \param a
|
|
*
|
|
* \retval CLI_SUCCESS on success.
|
|
* \retval NULL when tab completion is used.
|
|
*/
|
|
static char *handle_feature_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
int i;
|
|
struct ast_call_feature *feature;
|
|
char format[] = "%-25s %-7s %-7s\n";
|
|
|
|
switch (cmd) {
|
|
|
|
case CLI_INIT:
|
|
e->command = "features show";
|
|
e->usage =
|
|
"Usage: features show\n"
|
|
" Lists configured features\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
ast_cli(a->fd, format, "Builtin Feature", "Default", "Current");
|
|
ast_cli(a->fd, format, "---------------", "-------", "-------");
|
|
|
|
ast_cli(a->fd, format, "Pickup", "*8", ast_pickup_ext()); /* default hardcoded above, so we'll hardcode it here */
|
|
|
|
ast_rwlock_rdlock(&features_lock);
|
|
for (i = 0; i < FEATURES_COUNT; i++)
|
|
ast_cli(a->fd, format, builtin_features[i].fname, builtin_features[i].default_exten, builtin_features[i].exten);
|
|
ast_rwlock_unlock(&features_lock);
|
|
|
|
ast_cli(a->fd, "\n");
|
|
ast_cli(a->fd, format, "Dynamic Feature", "Default", "Current");
|
|
ast_cli(a->fd, format, "---------------", "-------", "-------");
|
|
if (AST_LIST_EMPTY(&feature_list))
|
|
ast_cli(a->fd, "(none)\n");
|
|
else {
|
|
AST_LIST_LOCK(&feature_list);
|
|
AST_LIST_TRAVERSE(&feature_list, feature, feature_entry)
|
|
ast_cli(a->fd, format, feature->sname, "no def", feature->exten);
|
|
AST_LIST_UNLOCK(&feature_list);
|
|
}
|
|
ast_cli(a->fd, "\nCall parking\n");
|
|
ast_cli(a->fd, "------------\n");
|
|
ast_cli(a->fd,"%-20s: %s\n", "Parking extension", parking_ext);
|
|
ast_cli(a->fd,"%-20s: %s\n", "Parking context", parking_con);
|
|
ast_cli(a->fd,"%-20s: %d-%d\n", "Parked call extensions", parking_start, parking_stop);
|
|
ast_cli(a->fd,"\n");
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
int ast_features_reload(void)
|
|
{
|
|
load_config();
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char *handle_features_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "features reload";
|
|
e->usage =
|
|
"Usage: features reload\n"
|
|
" Reloads configured call features from features.conf\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
load_config();
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char mandescr_bridge[] =
|
|
"Description: Bridge together two channels already in the PBX\n"
|
|
"Variables: ( Headers marked with * are required )\n"
|
|
" *Channel1: Channel to Bridge to Channel2\n"
|
|
" *Channel2: Channel to Bridge to Channel1\n"
|
|
" Tone: (Yes|No) Play courtesy tone to Channel 2\n"
|
|
"\n";
|
|
|
|
/*!
|
|
* \brief Actual bridge
|
|
* \param chan
|
|
* \param tmpchan
|
|
*
|
|
* Stop hold music, lock both channels, masq channels,
|
|
* after bridge return channel to next priority.
|
|
*/
|
|
static void do_bridge_masquerade(struct ast_channel *chan, struct ast_channel *tmpchan)
|
|
{
|
|
ast_moh_stop(chan);
|
|
ast_channel_lock(chan);
|
|
ast_setstate(tmpchan, chan->_state);
|
|
tmpchan->readformat = chan->readformat;
|
|
tmpchan->writeformat = chan->writeformat;
|
|
ast_channel_masquerade(tmpchan, chan);
|
|
ast_channel_lock(tmpchan);
|
|
ast_do_masquerade(tmpchan);
|
|
/* when returning from bridge, the channel will continue at the next priority */
|
|
ast_explicit_goto(tmpchan, chan->context, chan->exten, chan->priority + 1);
|
|
ast_channel_unlock(tmpchan);
|
|
ast_channel_unlock(chan);
|
|
}
|
|
|
|
/*!
|
|
* \brief Bridge channels together
|
|
* \param s
|
|
* \param m
|
|
*
|
|
* Make sure valid channels were specified,
|
|
* send errors if any of the channels could not be found/locked, answer channels if needed,
|
|
* create the placeholder channels and grab the other channels
|
|
* make the channels compatible, send error if we fail doing so
|
|
* setup the bridge thread object and start the bridge.
|
|
*
|
|
* \retval 0 on success or on incorrect use.
|
|
* \retval 1 on failure to bridge channels.
|
|
*/
|
|
static int action_bridge(struct mansession *s, const struct message *m)
|
|
{
|
|
const char *channela = astman_get_header(m, "Channel1");
|
|
const char *channelb = astman_get_header(m, "Channel2");
|
|
const char *playtone = astman_get_header(m, "Tone");
|
|
struct ast_channel *chana = NULL, *chanb = NULL;
|
|
struct ast_channel *tmpchana = NULL, *tmpchanb = NULL;
|
|
struct ast_bridge_thread_obj *tobj = NULL;
|
|
|
|
/* make sure valid channels were specified */
|
|
if (!ast_strlen_zero(channela) && !ast_strlen_zero(channelb)) {
|
|
chana = ast_get_channel_by_name_prefix_locked(channela, strlen(channela));
|
|
chanb = ast_get_channel_by_name_prefix_locked(channelb, strlen(channelb));
|
|
if (chana)
|
|
ast_channel_unlock(chana);
|
|
if (chanb)
|
|
ast_channel_unlock(chanb);
|
|
|
|
/* send errors if any of the channels could not be found/locked */
|
|
if (!chana) {
|
|
char buf[256];
|
|
snprintf(buf, sizeof(buf), "Channel1 does not exists: %s", channela);
|
|
astman_send_error(s, m, buf);
|
|
return 0;
|
|
}
|
|
if (!chanb) {
|
|
char buf[256];
|
|
snprintf(buf, sizeof(buf), "Channel2 does not exists: %s", channelb);
|
|
astman_send_error(s, m, buf);
|
|
return 0;
|
|
}
|
|
} else {
|
|
astman_send_error(s, m, "Missing channel parameter in request");
|
|
return 0;
|
|
}
|
|
|
|
/* Answer the channels if needed */
|
|
if (chana->_state != AST_STATE_UP)
|
|
ast_answer(chana);
|
|
if (chanb->_state != AST_STATE_UP)
|
|
ast_answer(chanb);
|
|
|
|
/* create the placeholder channels and grab the other channels */
|
|
if (!(tmpchana = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL,
|
|
NULL, NULL, 0, "Bridge/%s", chana->name))) {
|
|
astman_send_error(s, m, "Unable to create temporary channel!");
|
|
return 1;
|
|
}
|
|
|
|
if (!(tmpchanb = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL,
|
|
NULL, NULL, 0, "Bridge/%s", chanb->name))) {
|
|
astman_send_error(s, m, "Unable to create temporary channels!");
|
|
ast_channel_free(tmpchana);
|
|
return 1;
|
|
}
|
|
|
|
do_bridge_masquerade(chana, tmpchana);
|
|
do_bridge_masquerade(chanb, tmpchanb);
|
|
|
|
/* make the channels compatible, send error if we fail doing so */
|
|
if (ast_channel_make_compatible(tmpchana, tmpchanb)) {
|
|
ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for manager bridge\n", tmpchana->name, tmpchanb->name);
|
|
astman_send_error(s, m, "Could not make channels compatible for manager bridge");
|
|
ast_hangup(tmpchana);
|
|
ast_hangup(tmpchanb);
|
|
return 1;
|
|
}
|
|
|
|
/* setup the bridge thread object and start the bridge */
|
|
if (!(tobj = ast_calloc(1, sizeof(*tobj)))) {
|
|
ast_log(LOG_WARNING, "Unable to spawn a new bridge thread on %s and %s: %s\n", tmpchana->name, tmpchanb->name, strerror(errno));
|
|
astman_send_error(s, m, "Unable to spawn a new bridge thread");
|
|
ast_hangup(tmpchana);
|
|
ast_hangup(tmpchanb);
|
|
return 1;
|
|
}
|
|
|
|
tobj->chan = tmpchana;
|
|
tobj->peer = tmpchanb;
|
|
tobj->return_to_pbx = 1;
|
|
|
|
if (ast_true(playtone)) {
|
|
if (!ast_strlen_zero(xfersound) && !ast_streamfile(tmpchanb, xfersound, tmpchanb->language)) {
|
|
if (ast_waitstream(tmpchanb, "") < 0)
|
|
ast_log(LOG_WARNING, "Failed to play a courtesy tone on chan %s\n", tmpchanb->name);
|
|
}
|
|
}
|
|
|
|
ast_bridge_call_thread_launch(tobj);
|
|
|
|
astman_send_ack(s, m, "Launched bridge thread with success");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \brief CLI command to list parked calls
|
|
* \param e
|
|
* \param cmd
|
|
* \param a
|
|
*
|
|
* Check right usage, lock parking lot, display parked calls, unlock parking lot list.
|
|
* \retval CLI_SUCCESS on success.
|
|
* \retval CLI_SHOWUSAGE on incorrect number of arguments.
|
|
* \retval NULL when tab completion is used.
|
|
*/
|
|
static char *handle_parkedcalls(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct parkeduser *cur;
|
|
int numparked = 0;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "parkedcalls show";
|
|
e->usage =
|
|
"Usage: parkedcalls show\n"
|
|
" List currently parked calls\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc > e->args)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
ast_cli(a->fd, "%4s %25s (%-15s %-12s %-4s) %-6s \n", "Num", "Channel"
|
|
, "Context", "Extension", "Pri", "Timeout");
|
|
|
|
AST_LIST_LOCK(&parkinglot);
|
|
AST_LIST_TRAVERSE(&parkinglot, cur, list) {
|
|
ast_cli(a->fd, "%-10.10s %25s (%-15s %-12s %-4d) %6lds\n"
|
|
,cur->parkingexten, cur->chan->name, cur->context, cur->exten
|
|
,cur->priority, cur->start.tv_sec + (cur->parkingtime/1000) - time(NULL));
|
|
|
|
numparked++;
|
|
}
|
|
AST_LIST_UNLOCK(&parkinglot);
|
|
ast_cli(a->fd, "%d parked call%s.\n", numparked, ESS(numparked));
|
|
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_parkedcalls_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char *res = handle_parkedcalls(e, cmd, a);
|
|
if (cmd == CLI_INIT)
|
|
e->command = "show parkedcalls";
|
|
return res;
|
|
}
|
|
|
|
static struct ast_cli_entry cli_show_parkedcalls_deprecated = AST_CLI_DEFINE(handle_parkedcalls_deprecated, "List currently parked calls.");
|
|
|
|
static struct ast_cli_entry cli_features[] = {
|
|
AST_CLI_DEFINE(handle_feature_show, "Lists configured features"),
|
|
AST_CLI_DEFINE(handle_features_reload, "Reloads configured features"),
|
|
AST_CLI_DEFINE(handle_parkedcalls, "List currently parked calls", .deprecate_cmd = &cli_show_parkedcalls_deprecated),
|
|
};
|
|
|
|
/*!
|
|
* \brief Dump parking lot status
|
|
* \param s
|
|
* \param m
|
|
*
|
|
* Lock parking lot, iterate list and append parked calls status, unlock parking lot.
|
|
* \return Always RESULT_SUCCESS
|
|
*/
|
|
static int manager_parking_status(struct mansession *s, const struct message *m)
|
|
{
|
|
struct parkeduser *cur;
|
|
const char *id = astman_get_header(m, "ActionID");
|
|
char idText[256] = "";
|
|
|
|
if (!ast_strlen_zero(id))
|
|
snprintf(idText, sizeof(idText), "ActionID: %s\r\n", id);
|
|
|
|
astman_send_ack(s, m, "Parked calls will follow");
|
|
|
|
AST_LIST_LOCK(&parkinglot);
|
|
|
|
AST_LIST_TRAVERSE(&parkinglot, cur, list) {
|
|
astman_append(s, "Event: ParkedCall\r\n"
|
|
"Exten: %d\r\n"
|
|
"Channel: %s\r\n"
|
|
"From: %s\r\n"
|
|
"Timeout: %ld\r\n"
|
|
"CallerIDNum: %s\r\n"
|
|
"CallerIDName: %s\r\n"
|
|
"%s"
|
|
"\r\n",
|
|
cur->parkingnum, cur->chan->name, cur->peername,
|
|
(long) cur->start.tv_sec + (long) (cur->parkingtime / 1000) - (long) time(NULL),
|
|
S_OR(cur->chan->cid.cid_num, ""), /* XXX in other places it is <unknown> */
|
|
S_OR(cur->chan->cid.cid_name, ""),
|
|
idText);
|
|
}
|
|
|
|
astman_append(s,
|
|
"Event: ParkedCallsComplete\r\n"
|
|
"%s"
|
|
"\r\n",idText);
|
|
|
|
AST_LIST_UNLOCK(&parkinglot);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char mandescr_park[] =
|
|
"Description: Park a channel.\n"
|
|
"Variables: (Names marked with * are required)\n"
|
|
" *Channel: Channel name to park\n"
|
|
" *Channel2: Channel to announce park info to (and return to if timeout)\n"
|
|
" Timeout: Number of milliseconds to wait before callback.\n";
|
|
|
|
/*!
|
|
* \brief Create manager event for parked calls
|
|
* \param s
|
|
* \param m
|
|
*
|
|
* Get channels involved in park, create event.
|
|
* \return Always 0
|
|
*/
|
|
static int manager_park(struct mansession *s, const struct message *m)
|
|
{
|
|
const char *channel = astman_get_header(m, "Channel");
|
|
const char *channel2 = astman_get_header(m, "Channel2");
|
|
const char *timeout = astman_get_header(m, "Timeout");
|
|
char buf[BUFSIZ];
|
|
int to = 0;
|
|
int res = 0;
|
|
int parkExt = 0;
|
|
struct ast_channel *ch1, *ch2;
|
|
|
|
if (ast_strlen_zero(channel)) {
|
|
astman_send_error(s, m, "Channel not specified");
|
|
return 0;
|
|
}
|
|
|
|
if (ast_strlen_zero(channel2)) {
|
|
astman_send_error(s, m, "Channel2 not specified");
|
|
return 0;
|
|
}
|
|
|
|
ch1 = ast_get_channel_by_name_locked(channel);
|
|
if (!ch1) {
|
|
snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel);
|
|
astman_send_error(s, m, buf);
|
|
return 0;
|
|
}
|
|
|
|
ch2 = ast_get_channel_by_name_locked(channel2);
|
|
if (!ch2) {
|
|
snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel2);
|
|
astman_send_error(s, m, buf);
|
|
ast_channel_unlock(ch1);
|
|
return 0;
|
|
}
|
|
|
|
if (!ast_strlen_zero(timeout)) {
|
|
sscanf(timeout, "%d", &to);
|
|
}
|
|
|
|
res = ast_masq_park_call(ch1, ch2, to, &parkExt);
|
|
if (!res) {
|
|
ast_softhangup(ch2, AST_SOFTHANGUP_EXPLICIT);
|
|
astman_send_ack(s, m, "Park successful");
|
|
} else {
|
|
astman_send_error(s, m, "Park failure");
|
|
}
|
|
|
|
ast_channel_unlock(ch1);
|
|
ast_channel_unlock(ch2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \brief Pickup a call
|
|
* \param chan channel that initiated pickup.
|
|
*
|
|
* Walk list of channels, checking it is not itself, channel is pbx one,
|
|
* check that the callgroup for both channels are the same and the channel is ringing.
|
|
* Answer calling channel, flag channel as answered on queue, masq channels together.
|
|
*/
|
|
int ast_pickup_call(struct ast_channel *chan)
|
|
{
|
|
struct ast_channel *cur = NULL;
|
|
int res = -1;
|
|
|
|
while ((cur = ast_channel_walk_locked(cur)) != NULL) {
|
|
if (!cur->pbx &&
|
|
(cur != chan) &&
|
|
(chan->pickupgroup & cur->callgroup) &&
|
|
((cur->_state == AST_STATE_RINGING) ||
|
|
(cur->_state == AST_STATE_RING))) {
|
|
break;
|
|
}
|
|
ast_channel_unlock(cur);
|
|
}
|
|
if (cur) {
|
|
ast_debug(1, "Call pickup on chan '%s' by '%s'\n",cur->name, chan->name);
|
|
res = ast_answer(chan);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan->name);
|
|
res = ast_queue_control(chan, AST_CONTROL_ANSWER);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan->name);
|
|
res = ast_channel_masquerade(cur, chan);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to masquerade '%s' into '%s'\n", chan->name, cur->name); /* Done */
|
|
ast_channel_unlock(cur);
|
|
} else {
|
|
ast_debug(1, "No call pickup possible...\n");
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static char *app_bridge = "Bridge";
|
|
static char *bridge_synopsis = "Bridge two channels";
|
|
static char *bridge_descrip =
|
|
"Usage: Bridge(channel[,options])\n"
|
|
" Allows the ability to bridge two channels via the dialplan.\n"
|
|
"The current channel is bridged to the specified 'channel'.\n"
|
|
" Options:\n"
|
|
" p - Play a courtesy tone to 'channel'.\n"
|
|
"This application sets the following channel variable upon completion:\n"
|
|
" BRIDGERESULT The result of the bridge attempt as a text string, one of\n"
|
|
" SUCCESS | FAILURE | LOOP | NONEXISTENT | INCOMPATIBLE\n";
|
|
|
|
enum {
|
|
BRIDGE_OPT_PLAYTONE = (1 << 0),
|
|
};
|
|
|
|
AST_APP_OPTIONS(bridge_exec_options, BEGIN_OPTIONS
|
|
AST_APP_OPTION('p', BRIDGE_OPT_PLAYTONE)
|
|
END_OPTIONS );
|
|
|
|
/*!
|
|
* \brief Bridge channels
|
|
* \param chan
|
|
* \param data channel to bridge with.
|
|
*
|
|
* Split data, check we aren't bridging with ourself, check valid channel,
|
|
* answer call if not already, check compatible channels, setup bridge config
|
|
* now bridge call, if transfered party hangs up return to PBX extension.
|
|
*/
|
|
static int bridge_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
struct ast_channel *current_dest_chan, *final_dest_chan;
|
|
char *tmp_data = NULL;
|
|
struct ast_flags opts = { 0, };
|
|
struct ast_bridge_config bconfig = { { 0, }, };
|
|
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(dest_chan);
|
|
AST_APP_ARG(options);
|
|
);
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Bridge require at least 1 argument specifying the other end of the bridge\n");
|
|
return -1;
|
|
}
|
|
|
|
tmp_data = ast_strdupa(data);
|
|
AST_STANDARD_APP_ARGS(args, tmp_data);
|
|
if (!ast_strlen_zero(args.options))
|
|
ast_app_parse_options(bridge_exec_options, &opts, NULL, args.options);
|
|
|
|
/* avoid bridge with ourselves */
|
|
if (!strncmp(chan->name, args.dest_chan,
|
|
strlen(chan->name) < strlen(args.dest_chan) ?
|
|
strlen(chan->name) : strlen(args.dest_chan))) {
|
|
ast_log(LOG_WARNING, "Unable to bridge channel %s with itself\n", chan->name);
|
|
manager_event(EVENT_FLAG_CALL, "BridgeExec",
|
|
"Response: Failed\r\n"
|
|
"Reason: Unable to bridge channel to itself\r\n"
|
|
"Channel1: %s\r\n"
|
|
"Channel2: %s\r\n",
|
|
chan->name, args.dest_chan);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "LOOP");
|
|
return 0;
|
|
}
|
|
|
|
/* make sure we have a valid end point */
|
|
if (!(current_dest_chan = ast_get_channel_by_name_prefix_locked(args.dest_chan,
|
|
strlen(args.dest_chan)))) {
|
|
ast_log(LOG_WARNING, "Bridge failed because channel %s does not exists or we "
|
|
"cannot get its lock\n", args.dest_chan);
|
|
manager_event(EVENT_FLAG_CALL, "BridgeExec",
|
|
"Response: Failed\r\n"
|
|
"Reason: Cannot grab end point\r\n"
|
|
"Channel1: %s\r\n"
|
|
"Channel2: %s\r\n", chan->name, args.dest_chan);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "NONEXISTENT");
|
|
return 0;
|
|
}
|
|
ast_channel_unlock(current_dest_chan);
|
|
|
|
/* answer the channel if needed */
|
|
if (current_dest_chan->_state != AST_STATE_UP)
|
|
ast_answer(current_dest_chan);
|
|
|
|
/* try to allocate a place holder where current_dest_chan will be placed */
|
|
if (!(final_dest_chan = ast_channel_alloc(0, AST_STATE_DOWN, NULL, NULL, NULL,
|
|
NULL, NULL, 0, "Bridge/%s", current_dest_chan->name))) {
|
|
ast_log(LOG_WARNING, "Cannot create placeholder channel for chan %s\n", args.dest_chan);
|
|
manager_event(EVENT_FLAG_CALL, "BridgeExec",
|
|
"Response: Failed\r\n"
|
|
"Reason: cannot create placeholder\r\n"
|
|
"Channel1: %s\r\n"
|
|
"Channel2: %s\r\n", chan->name, args.dest_chan);
|
|
}
|
|
do_bridge_masquerade(current_dest_chan, final_dest_chan);
|
|
|
|
/* now current_dest_chan is a ZOMBIE and with softhangup set to 1 and final_dest_chan is our end point */
|
|
/* try to make compatible, send error if we fail */
|
|
if (ast_channel_make_compatible(chan, final_dest_chan) < 0) {
|
|
ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for bridge\n", chan->name, final_dest_chan->name);
|
|
manager_event(EVENT_FLAG_CALL, "BridgeExec",
|
|
"Response: Failed\r\n"
|
|
"Reason: Could not make channels compatible for bridge\r\n"
|
|
"Channel1: %s\r\n"
|
|
"Channel2: %s\r\n", chan->name, final_dest_chan->name);
|
|
ast_hangup(final_dest_chan); /* may be we should return this channel to the PBX? */
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "INCOMPATIBLE");
|
|
return 0;
|
|
}
|
|
|
|
/* Report that the bridge will be successfull */
|
|
manager_event(EVENT_FLAG_CALL, "BridgeExec",
|
|
"Response: Success\r\n"
|
|
"Channel1: %s\r\n"
|
|
"Channel2: %s\r\n", chan->name, final_dest_chan->name);
|
|
|
|
/* we have 2 valid channels to bridge, now it is just a matter of setting up the bridge config and starting the bridge */
|
|
if (ast_test_flag(&opts, BRIDGE_OPT_PLAYTONE) && !ast_strlen_zero(xfersound)) {
|
|
if (!ast_streamfile(final_dest_chan, xfersound, final_dest_chan->language)) {
|
|
if (ast_waitstream(final_dest_chan, "") < 0)
|
|
ast_log(LOG_WARNING, "Failed to play courtesy tone on %s\n", final_dest_chan->name);
|
|
}
|
|
}
|
|
|
|
/* do the bridge */
|
|
ast_bridge_call(chan, final_dest_chan, &bconfig);
|
|
|
|
/* the bridge has ended, set BRIDGERESULT to SUCCESS. If the other channel has not been hung up, return it to the PBX */
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "SUCCESS");
|
|
if (!ast_check_hangup(final_dest_chan)) {
|
|
ast_debug(1, "starting new PBX in %s,%s,%d for chan %s\n",
|
|
final_dest_chan->context, final_dest_chan->exten,
|
|
final_dest_chan->priority, final_dest_chan->name);
|
|
|
|
if (ast_pbx_start(final_dest_chan) != AST_PBX_SUCCESS) {
|
|
ast_log(LOG_WARNING, "FAILED continuing PBX on dest chan %s\n", final_dest_chan->name);
|
|
ast_hangup(final_dest_chan);
|
|
} else
|
|
ast_debug(1, "SUCCESS continuing PBX on chan %s\n", final_dest_chan->name);
|
|
} else {
|
|
ast_debug(1, "hangup chan %s since the other endpoint has hung up\n", final_dest_chan->name);
|
|
ast_hangup(final_dest_chan);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_features_init(void)
|
|
{
|
|
int res;
|
|
|
|
ast_register_application2(app_bridge, bridge_exec, bridge_synopsis, bridge_descrip, NULL);
|
|
|
|
memset(parking_ext, 0, sizeof(parking_ext));
|
|
memset(parking_con, 0, sizeof(parking_con));
|
|
|
|
if ((res = load_config()))
|
|
return res;
|
|
ast_cli_register_multiple(cli_features, sizeof(cli_features) / sizeof(struct ast_cli_entry));
|
|
ast_pthread_create(&parking_thread, NULL, do_parking_thread, NULL);
|
|
res = ast_register_application2(parkedcall, park_exec, synopsis, descrip, NULL);
|
|
if (!res)
|
|
res = ast_register_application2(parkcall, park_call_exec, synopsis2, descrip2, NULL);
|
|
if (!res) {
|
|
ast_manager_register("ParkedCalls", 0, manager_parking_status, "List parked calls");
|
|
ast_manager_register2("Park", EVENT_FLAG_CALL, manager_park,
|
|
"Park a channel", mandescr_park);
|
|
ast_manager_register2("Bridge", EVENT_FLAG_CALL, action_bridge, "Bridge two channels already in the PBX", mandescr_bridge);
|
|
}
|
|
|
|
res |= ast_devstate_prov_add("Park", metermaidstate);
|
|
|
|
return res;
|
|
}
|