1831 lines
49 KiB
C
Executable File
1831 lines
49 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* VoiceTronix Interface driver
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*
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* Copyright (C) 2003, Paul Bagyenda
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*
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* Paul Bagyenda <bagyenda@dsmagic.com>
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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
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*/
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#include <stdio.h>
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#include <pthread.h>
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#include <string.h>
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#include <asterisk/lock.h>
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#include <asterisk/channel.h>
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#include <asterisk/channel_pvt.h>
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#include <asterisk/config.h>
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#include <asterisk/logger.h>
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#include <asterisk/module.h>
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#include <asterisk/pbx.h>
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#include <asterisk/options.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <arpa/inet.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <ctype.h>
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#include <vpbapi.h>
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#define DEFAULT_GAIN 0
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#define DEFAULT_ECHO_CANCEL 1
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#define VPB_SAMPLES 240
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#define VPB_MAX_BUF VPB_SAMPLES*4 + AST_FRIENDLY_OFFSET
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#define VPB_NULL_EVENT 200
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#define VPB_WAIT_TIMEOUT 40
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#define MAX_VPB_GAIN 12.0
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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static char *desc = "VoiceTronix V6PCI/V12PCI/V4PCI API Support";
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static char *type = "vpb";
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static char *tdesc = "Standard VoiceTronix API Driver";
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static char *config = "vpb.conf";
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/* Default context for dialtone mode */
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static char context[AST_MAX_EXTENSION] = "default";
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/* Default language */
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static char language[MAX_LANGUAGE] = "";
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static int usecnt =0;
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static int gruntdetect_timeout = 3600000; /* Grunt detect timeout is 1hr. */
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static const int prefformat = AST_FORMAT_SLINEAR;
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static ast_mutex_t usecnt_lock = AST_MUTEX_INITIALIZER;
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/* Protect the interface list (of vpb_pvt's) */
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static ast_mutex_t iflock = AST_MUTEX_INITIALIZER;
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/* Protect the monitoring thread, so only one process can kill or start it, and not
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when it's doing something critical. */
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static ast_mutex_t monlock = AST_MUTEX_INITIALIZER;
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/* This is the thread for the monitor which checks for input on the channels
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which are not currently in use. */
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static pthread_t monitor_thread;
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static int mthreadactive = -1; /* Flag for monitoring monitorthread.*/
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static int restart_monitor(void);
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/* The private structures of the VPB channels are
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linked for selecting outgoing channels */
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#define MODE_DIALTONE 1
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#define MODE_IMMEDIATE 2
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#define MODE_FXO 3
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/* Pick a country or add your own! */
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#define TONES_AU
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#ifdef TONES_AU
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static VPB_TONE Dialtone = {440, 440, 440, -10, -10, -10, 5000, 0 };
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static VPB_TONE Busytone = {470, 0, 0, -10, -100, -100, 5000, 0 };
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static VPB_TONE Ringbacktone = {400, 50, 440, -10, -10, -10, 1400, 800 };
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#endif
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/*
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#define TONES_USA
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#ifdef TONES_USA
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static VPB_TONE Dialtone = {425, 0, 0, -16, -100, -100, 10000, 0};
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static VPB_TONE Busytone = {425, 0, 0, -10, -100, -100, 500, 500};
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static VPB_TONE Ringbacktone = {400, 425, 450, -20, -20, -20, 1000, 1000};
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#endif
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*/
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/* grunt tone defn's */
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static VPB_DETECT toned_grunt = { 3, VPB_GRUNT, 1, 2000, 3000, 0, 0, -40, 0, 0, 0, 40, { { VPB_DELAY, 1000, 0, 0 }, { VPB_RISING, 0, 40, 0 }, { 0, 100, 0, 0 } } };
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static VPB_DETECT toned_ungrunt = { 2, VPB_GRUNT, 1, 2000, 1, 0, 0, -40, 0, 0, 30, 40, { { 0, 0, 0, 0 } } };
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#define TIMER_PERIOD_RINGBACK 5200
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#define TIMER_PERIOD_BUSY 700
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#define VPB_EVENTS_ALL (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
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|VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
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|VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH)
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#define VPB_EVENTS_NODTMF (VPB_MRING|VPB_MDIGIT|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
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|VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
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|VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH)
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#define VPB_EVENTS_STAT (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
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|VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
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|VPB_MRING_OFF|VPB_MSTATION_FLASH)
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// Dialing parameters for Australia
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//#define DIAL_WITH_CALL_PROGRESS
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VPB_TONE_MAP DialToneMap[] = { { VPB_BUSY_AUST, VPB_CALL_DISCONNECT, 0 },
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{ VPB_DIAL, VPB_CALL_DIALTONE, 0 },
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{ VPB_RINGBACK_308, VPB_CALL_RINGBACK, 0 },
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{ VPB_BUSY_AUST, VPB_CALL_BUSY, 0 },
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{ VPB_GRUNT, VPB_CALL_GRUNT, 0 },
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{ 0, 0, 1 } };
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#define VPB_DIALTONE_WAIT 2000 /* Wait up to 2s for a dialtone */
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#define VPB_RINGWAIT 4000 /* Wait up to 4s for ring tone after dialing */
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#define VPB_CONNECTED_WAIT 4000 /* If no ring tone detected for 4s then consider call connected */
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#define TIMER_PERIOD_NOANSWER 120000 /* Let it ring for 120s before deciding theres noone there */
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#define MAX_BRIDGES_V4PCI 2
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#define MAX_BRIDGES_V12PCI 128
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/* port states */
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#define VPB_STATE_ONHOOK 0
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#define VPB_STATE_OFFHOOK 1
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#define VPB_STATE_DIALLING 2
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#define VPB_STATE_JOINED 3
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#define VPB_STATE_GETDTMF 4
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#define VPB_STATE_PLAYDIAL 5
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#define VPB_STATE_PLAYBUSY 6
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#define VPB_STATE_PLAYRING 7
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typedef struct {
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int inuse;
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struct ast_channel *c0, *c1, **rc;
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struct ast_frame **fo;
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int flags;
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ast_mutex_t lock;
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pthread_cond_t cond;
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int endbridge;
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} vpb_bridge_t;
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static vpb_bridge_t * bridges;
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static int max_bridges = MAX_BRIDGES_V4PCI;
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static ast_mutex_t bridge_lock = AST_MUTEX_INITIALIZER;
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typedef enum {
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vpb_model_unknown = 0,
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vpb_model_v4pci,
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vpb_model_v12pci
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} vpb_model_t;
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static struct vpb_pvt {
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ast_mutex_t owner_lock; /* Protect blocks that expect ownership to remain the same */
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struct ast_channel *owner; /* Channel we belong to, possibly NULL */
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int mode; /* fxo/imediate/dialtone*/
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int handle; /* Handle for vpb interface */
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int state; /* used to keep port state (internal to driver) */
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int group; /* Which group this port belongs to */
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char dev[256];
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vpb_model_t vpb_model;
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struct ast_frame f, fr;
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char buf[VPB_MAX_BUF]; /* Static buffer for reading frames */
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int dialtone;
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float txgain, rxgain; /* Hardware gain control */
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float txswgain, rxswgain; /* Software gain control */
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int wantdtmf; /* Waiting for DTMF. */
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char context[AST_MAX_EXTENSION];
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char ext[AST_MAX_EXTENSION];
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char language[MAX_LANGUAGE];
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char callerid[AST_MAX_EXTENSION]; /* CallerId used for directly connected phone */
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int lastoutput;
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int lastinput;
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int last_ignore_dtmf;
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void *busy_timer;
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int busy_timer_id;
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void *ringback_timer;
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int ringback_timer_id;
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double lastgrunt;
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ast_mutex_t lock; /* This one just protects bridge ptr below */
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vpb_bridge_t *bridge;
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int stopreads; /* Stop reading...*/
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pthread_t readthread; /* For monitoring read channel. One per owned channel. */
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ast_mutex_t record_lock; /* This one prevents reentering a record_buf block */
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ast_mutex_t play_lock; /* This one prevents reentering a play_buf block */
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ast_mutex_t play_dtmf_lock;
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char play_dtmf[16];
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struct vpb_pvt *next; /* Next channel in list */
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} *iflist = NULL;
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static struct ast_channel *vpb_new(struct vpb_pvt *i, int state, char *context);
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static void *do_chanreads(void *pvt);
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// Can't get vpb_bridge() working on v4pci without either a horrible
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// high pitched feedback noise or bad hiss noise depending on gain settings
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// Get asterisk to do the bridging
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#define BAD_V4PCI_BRIDGE
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// This one enables a half duplex bridge which may be required to prevent high pitched
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// feedback when getting asterisk to do the bridging and when using certain gain settings.
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//#define HALF_DUPLEX_BRIDGE
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static int vpb_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc)
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{
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struct vpb_pvt *p0 = (struct vpb_pvt *)c0->pvt->pvt;
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struct vpb_pvt *p1 = (struct vpb_pvt *)c1->pvt->pvt;
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int i, res;
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#ifdef BAD_V4PCI_BRIDGE
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if(p0->vpb_model==vpb_model_v4pci)
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return -2;
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#endif
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/* Bridge channels, check if we can. I believe we always can, so find a slot.*/
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ast_mutex_lock(&bridge_lock); {
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for (i = 0; i < max_bridges; i++)
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if (!bridges[i].inuse)
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break;
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if (i < max_bridges) {
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bridges[i].inuse = 1;
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bridges[i].endbridge = 0;
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bridges[i].flags = flags;
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bridges[i].rc = rc;
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bridges[i].fo = fo;
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bridges[i].c0 = c0;
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bridges[i].c1 = c1;
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ast_mutex_init(&bridges[i].lock);
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pthread_cond_init(&bridges[i].cond, NULL);
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}
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} ast_mutex_unlock(&bridge_lock);
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if (i == max_bridges) {
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ast_log(LOG_WARNING, "Failed to bridge %s and %s!\n", c0->name, c1->name);
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return -2;
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} else {
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/* Set bridge pointers. You don't want to take these locks while holding bridge lock.*/
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ast_mutex_lock(&p0->lock); {
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p0->bridge = &bridges[i];
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} ast_mutex_unlock(&p0->lock);
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ast_mutex_lock(&p1->lock); {
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p1->bridge = &bridges[i];
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} ast_mutex_unlock(&p1->lock);
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if (option_verbose>1)
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ast_verbose(VERBOSE_PREFIX_2 "Bridging call entered with [%s, %s]\n", c0->name, c1->name);
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}
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#ifdef HALF_DUPLEX_BRIDGE
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if (option_verbose>1)
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ast_verbose(VERBOSE_PREFIX_2 "Starting half-duplex bridge [%s, %s]\n", c0->name, c1->name);
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int dir = 0;
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memset(p0->buf, 0, sizeof p0->buf);
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memset(p1->buf, 0, sizeof p1->buf);
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vpb_record_buf_start(p0->handle, VPB_ALAW);
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vpb_record_buf_start(p1->handle, VPB_ALAW);
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vpb_play_buf_start(p0->handle, VPB_ALAW);
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vpb_play_buf_start(p1->handle, VPB_ALAW);
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while( !bridges[i].endbridge ) {
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struct vpb_pvt *from, *to;
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if(++dir%2) {
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from = p0;
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to = p1;
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} else {
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from = p1;
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to = p0;
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}
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vpb_record_buf_sync(from->handle, from->buf, VPB_SAMPLES);
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vpb_play_buf_sync(to->handle, from->buf, VPB_SAMPLES);
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}
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vpb_record_buf_finish(p0->handle);
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vpb_record_buf_finish(p1->handle);
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vpb_play_buf_finish(p0->handle);
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vpb_play_buf_finish(p1->handle);
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if (option_verbose>1)
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ast_verbose(VERBOSE_PREFIX_2 "Finished half-duplex bridge [%s, %s]\n", c0->name, c1->name);
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res = VPB_OK;
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#else
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res = vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_ON, i+1 /* resource 1 & 2 only for V4PCI*/ );
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if (res == VPB_OK) {
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pthread_cond_wait(&bridges[i].cond, &bridges[i].lock); /* Wait for condition signal. */
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vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_OFF, i+1 /* resource 1 & 2 only for V4PCI*/ );
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}
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#endif
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ast_mutex_lock(&bridge_lock); {
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bridges[i].inuse = 0;
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ast_mutex_destroy(&bridges[i].lock);
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pthread_cond_destroy(&bridges[i].cond);
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} ast_mutex_unlock(&bridge_lock);
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ast_mutex_lock(&p0->lock); {
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p0->bridge = NULL;
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} ast_mutex_unlock(&p0->lock);
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ast_mutex_lock(&p1->lock); {
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p1->bridge = NULL;
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} ast_mutex_unlock(&p1->lock);
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if (option_verbose>1)
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ast_verbose(VERBOSE_PREFIX_2 "Bridging call done with [%s, %s] => %d\n", c0->name, c1->name, res);
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return (res==VPB_OK)?0:-1;
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}
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static double get_time_in_ms()
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return ((double)tv.tv_sec*1000)+((double)tv.tv_usec/1000);
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}
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// Caller ID can be located in different positions between the rings depending on your Telco
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// Australian (Telstra) callerid starts 700ms after 1st ring and finishes 1.5s after first ring
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// Use ANALYSE_CID to record rings and determine location of callerid
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//#define ANALYSE_CID
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#define RING_SKIP 600
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#define CID_MSECS 1700
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static void get_callerid(struct vpb_pvt *p)
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{
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short buf[CID_MSECS*8]; // 8kHz sampling rate
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double cid_record_time;
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int rc;
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if(strcasecmp(p->callerid, "on")) {
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p->owner->callerid = strdup("unknown");
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return;
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}
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if( ast_mutex_trylock(&p->record_lock) == 0 ) {
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char callerid[AST_MAX_EXTENSION] = "";
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cid_record_time = get_time_in_ms();
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if (option_verbose>3)
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ast_verbose(VERBOSE_PREFIX_4 "CID record - start\n");
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#ifdef ANALYSE_CID
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VPB_RECORD record_parms = { "", 8 * 1000 }; // record a couple of rings
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vpb_record_set(p->handle,&record_parms);
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ast_verbose(VERBOSE_PREFIX_4 "Recording debug CID sample to /tmp/cid.raw\n");
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vpb_record_file_sync(p->handle,"/tmp/cid.raw",VPB_LINEAR);
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rc = 1; // don't try to decode_cid
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#else
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// Skip any trailing ringtone
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vpb_sleep(RING_SKIP);
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if (option_verbose>3)
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ast_verbose(VERBOSE_PREFIX_4 "CID record - skipped %fms trailing ring\n",
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get_time_in_ms() - cid_record_time);
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cid_record_time = get_time_in_ms();
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// Record bit between the rings which contains the callerid
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vpb_record_buf_start(p->handle, VPB_LINEAR);
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rc = vpb_record_buf_sync(p->handle, (char*)buf, sizeof(buf));
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vpb_record_buf_finish(p->handle);
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#endif
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if (option_verbose>3)
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ast_verbose(VERBOSE_PREFIX_4 "CID record - recorded %fms between rings\n",
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get_time_in_ms() - cid_record_time);
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ast_mutex_unlock(&p->record_lock);
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if( rc != VPB_OK ) {
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ast_log(LOG_ERROR, "Failed to record caller id sample on %s\n", p->dev );
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return;
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}
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// This decodes FSK 1200baud type callerid
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if ((rc=vpb_cid_decode(callerid, buf, CID_MSECS*8)) == VPB_OK ) {
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if(!*callerid)
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strcpy(callerid,"undisclosed"); // blocked CID (eg caller used 1831)
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} else {
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ast_log(LOG_ERROR, "Failed to decode caller id on %s - %s\n", p->dev, vpb_strerror(rc) );
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strcpy(callerid,"unknown");
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}
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p->owner->callerid = strdup(callerid);
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} else
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ast_log(LOG_ERROR, "Failed to set record mode for caller id on %s\n", p->dev );
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}
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// Terminate any tones we are presently playing
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static void stoptone( int handle)
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{
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while(vpb_playtone_state(handle)!=VPB_OK){
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vpb_tone_terminate(handle);
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vpb_sleep(10);
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}
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}
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// Safe vpb_playtone_async
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static int playtone( int handle, VPB_TONE *tone)
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{
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stoptone(handle);
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return vpb_playtone_async(handle, tone);
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}
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static inline int monitor_handle_owned(struct vpb_pvt *p, VPB_EVENT *e)
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{
|
|
struct ast_frame f = {AST_FRAME_CONTROL}; /* default is control, Clear rest. */
|
|
int endbridge = 0;
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "%s handle_owned got event: [%d=>%d]\n",
|
|
p->dev, e->type, e->data);
|
|
|
|
f.src = type;
|
|
switch (e->type) {
|
|
case VPB_RING:
|
|
if (p->mode == MODE_FXO) {
|
|
f.subclass = AST_CONTROL_RING;
|
|
} else
|
|
f.frametype = -1; /* ignore ring on station port. */
|
|
break;
|
|
|
|
case VPB_RING_OFF:
|
|
f.frametype = -1;
|
|
break;
|
|
|
|
case VPB_TIMEREXP:
|
|
if (e->data == p->busy_timer_id) {
|
|
playtone(p->handle,&Busytone);
|
|
p->state = VPB_STATE_PLAYBUSY;
|
|
vpb_timer_start(p->busy_timer);
|
|
f.frametype = -1;
|
|
} else if (e->data == p->ringback_timer_id) {
|
|
playtone(p->handle, &Ringbacktone);
|
|
vpb_timer_start(p->ringback_timer);
|
|
f.frametype = -1;
|
|
} else {
|
|
f.frametype = -1; /* Ignore. */
|
|
}
|
|
break;
|
|
|
|
case VPB_DTMF:
|
|
if (p->owner->_state == AST_STATE_UP) {
|
|
f.frametype = AST_FRAME_DTMF;
|
|
f.subclass = e->data;
|
|
} else
|
|
f.frametype = -1;
|
|
break;
|
|
|
|
case VPB_TONEDETECT:
|
|
if (e->data == VPB_BUSY || e->data == VPB_BUSY_308 || e->data == VPB_BUSY_AUST ) {
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
if (p->owner->_state == AST_STATE_UP) {
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
}
|
|
else {
|
|
f.subclass = AST_CONTROL_BUSY;
|
|
}
|
|
} else if (e->data == VPB_GRUNT) {
|
|
if( ( get_time_in_ms() - p->lastgrunt ) > gruntdetect_timeout ) {
|
|
// Nothing heard on line for a very long time
|
|
// Timeout connection
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "grunt timeout\n");
|
|
ast_log(LOG_NOTICE,"Line hangup due of lack of conversation\n");
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
} else {
|
|
p->lastgrunt = get_time_in_ms();
|
|
f.frametype = -1;
|
|
}
|
|
} else
|
|
f.frametype = -1;
|
|
break;
|
|
|
|
case VPB_CALLEND:
|
|
#ifdef DIAL_WITH_CALL_PROGRESS
|
|
if (e->data == VPB_CALL_CONNECTED)
|
|
f.subclass = AST_CONTROL_ANSWER;
|
|
else if (e->data == VPB_CALL_NO_DIAL_TONE || e->data == VPB_CALL_NO_RING_BACK)
|
|
f.subclass = AST_CONTROL_CONGESTION;
|
|
else if (e->data == VPB_CALL_NO_ANSWER || e->data == VPB_CALL_BUSY)
|
|
f.subclass = AST_CONTROL_BUSY;
|
|
else if (e->data == VPB_CALL_DISCONNECTED)
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
#else
|
|
ast_log(LOG_NOTICE,"Got call progress callback but blind dialing on %s\n", p->dev);
|
|
f.frametype = -1;
|
|
#endif
|
|
break;
|
|
|
|
case VPB_STATION_OFFHOOK:
|
|
f.subclass = AST_CONTROL_ANSWER;
|
|
break;
|
|
|
|
/* not sure why this was commented out */
|
|
case VPB_DROP:
|
|
if (p->mode == MODE_FXO){ /* ignore loop drop on stations */
|
|
if (p->owner->_state == AST_STATE_UP)
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
else
|
|
f.frametype = -1;
|
|
}
|
|
break;
|
|
/* */
|
|
case VPB_STATION_ONHOOK:
|
|
f.subclass = AST_CONTROL_HANGUP;
|
|
break;
|
|
|
|
case VPB_STATION_FLASH:
|
|
f.subclass = AST_CONTROL_FLASH;
|
|
break;
|
|
|
|
// Called when dialing has finished and ringing starts
|
|
// No indication that call has really been answered when using blind dialing
|
|
case VPB_DIALEND:
|
|
f.subclass = AST_CONTROL_ANSWER;
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Dialend on %s\n", p->dev);
|
|
break;
|
|
|
|
case VPB_PLAY_UNDERFLOW:
|
|
f.frametype = -1;
|
|
vpb_reset_play_fifo_alarm(p->handle);
|
|
break;
|
|
|
|
case VPB_RECORD_OVERFLOW:
|
|
f.frametype = -1;
|
|
vpb_reset_record_fifo_alarm(p->handle);
|
|
break;
|
|
|
|
default:
|
|
f.frametype = -1;
|
|
break;
|
|
}
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "handle_owned: putting frame: [%d=>%d], bridge=%p\n",
|
|
f.frametype, f.subclass, (void *)p->bridge);
|
|
|
|
ast_mutex_lock(&p->lock); {
|
|
if (p->bridge) { /* Check what happened, see if we need to report it. */
|
|
switch (f.frametype) {
|
|
case AST_FRAME_DTMF:
|
|
if (!(p->bridge->c0 == p->owner &&
|
|
(p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_0) ) &&
|
|
!(p->bridge->c1 == p->owner &&
|
|
(p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_1) ))
|
|
/* Kill bridge, this is interesting. */
|
|
endbridge = 1;
|
|
break;
|
|
|
|
case AST_FRAME_CONTROL:
|
|
if (!(p->bridge->flags & AST_BRIDGE_IGNORE_SIGS))
|
|
#if 0
|
|
if (f.subclass == AST_CONTROL_BUSY ||
|
|
f.subclass == AST_CONTROL_CONGESTION ||
|
|
f.subclass == AST_CONTROL_HANGUP ||
|
|
f.subclass == AST_CONTROL_FLASH)
|
|
#endif
|
|
endbridge = 1;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
if (endbridge) {
|
|
if (p->bridge->fo)
|
|
*p->bridge->fo = ast_frisolate(&f);
|
|
if (p->bridge->rc)
|
|
*p->bridge->rc = p->owner;
|
|
|
|
ast_mutex_lock(&p->bridge->lock); {
|
|
p->bridge->endbridge = 1;
|
|
pthread_cond_signal(&p->bridge->cond);
|
|
} ast_mutex_unlock(&p->bridge->lock);
|
|
}
|
|
}
|
|
} ast_mutex_unlock(&p->lock);
|
|
|
|
if (endbridge) return 0;
|
|
|
|
// Trylock used here to avoid deadlock that can occur if we
|
|
// happen to be in here handling an event when hangup is called
|
|
// Problem is that hangup holds p->owner->lock
|
|
if (f.frametype >= 0 && f.frametype != AST_FRAME_NULL) {
|
|
if (ast_mutex_trylock(&p->owner->lock)==0) {
|
|
ast_queue_frame(p->owner, &f);
|
|
ast_mutex_unlock(&p->owner->lock);
|
|
} else {
|
|
ast_verbose("Missed event %d/%d on %s\n",
|
|
f.frametype, f.subclass, p->dev);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int monitor_handle_notowned(struct vpb_pvt *p, VPB_EVENT *e)
|
|
{
|
|
char s[2] = {0};
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "%s: In not owned, mode=%d, [%d=>%d]\n",
|
|
p->dev, p->mode, e->type, e->data);
|
|
|
|
switch(e->type) {
|
|
case VPB_RING:
|
|
if (p->mode == MODE_FXO) /* FXO port ring, start * */ {
|
|
vpb_new(p, AST_STATE_RING, p->context);
|
|
get_callerid(p); /* Australian Caller ID only between 1st and 2nd ring */
|
|
}
|
|
break;
|
|
|
|
case VPB_RING_OFF:
|
|
break;
|
|
|
|
case VPB_STATION_OFFHOOK:
|
|
if (p->mode == MODE_IMMEDIATE)
|
|
vpb_new(p,AST_STATE_RING, p->context);
|
|
else {
|
|
ast_verbose(VERBOSE_PREFIX_4 "%s: In not owned, playing dialtone\n",p->dev);
|
|
playtone(p->handle, &Dialtone);
|
|
p->wantdtmf = 1;
|
|
p->ext[0] = 0; /* Just to be sure & paranoid.*/
|
|
p->state=VPB_STATE_PLAYDIAL;
|
|
}
|
|
break;
|
|
|
|
case VPB_DIALEND:
|
|
if (p->mode == MODE_DIALTONE){
|
|
if (p->state == VPB_STATE_PLAYDIAL) {
|
|
playtone(p->handle, &Dialtone);
|
|
p->wantdtmf = 1;
|
|
p->ext[0] = 0; // Just to be sure & paranoid.
|
|
}
|
|
/* These are not needed as they have timers to restart them
|
|
else if (p->state == VPB_STATE_PLAYBUSY) {
|
|
playtone(p->handle, &Busytone);
|
|
p->wantdtmf = 1;
|
|
p->ext[0] = 0; // Just to be sure & paranoid.
|
|
}
|
|
else if (p->state == VPB_STATE_PLAYRING) {
|
|
playtone(p->handle, &Ringbacktone);
|
|
p->wantdtmf = 1;
|
|
p->ext[0] = 0; // Just to be sure & paranoid.
|
|
}
|
|
*/
|
|
}
|
|
break;
|
|
|
|
case VPB_STATION_ONHOOK: /* clear ext */
|
|
stoptone(p->handle);
|
|
p->wantdtmf = 1 ;
|
|
p->ext[0] = 0;
|
|
p->state=VPB_STATE_ONHOOK;
|
|
break;
|
|
|
|
case VPB_DTMF:
|
|
if (p->wantdtmf == 1) {
|
|
stoptone(p->handle);
|
|
p->wantdtmf = 0;
|
|
}
|
|
p->state=VPB_STATE_GETDTMF;
|
|
s[0] = e->data;
|
|
strcat(p->ext, s);
|
|
if (ast_exists_extension(NULL, p->context, p->ext, 1, p->callerid))
|
|
vpb_new(p,AST_STATE_RING, p->context);
|
|
else if (!ast_canmatch_extension(NULL, p->context, p->ext, 1, p->callerid))
|
|
if (ast_exists_extension(NULL, "default", p->ext, 1, p->callerid))
|
|
vpb_new(p,AST_STATE_RING, "default");
|
|
else if (!ast_canmatch_extension(NULL, "default", p->ext, 1, p->callerid)) {
|
|
if (option_debug)
|
|
ast_log(LOG_DEBUG, "%s can't match anything in %s or default\n",
|
|
p->ext, p->context);
|
|
playtone(p->handle, &Busytone);
|
|
vpb_timer_start(p->busy_timer);
|
|
p->state = VPB_STATE_PLAYBUSY;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* Ignore.*/
|
|
break;
|
|
}
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "%s: Done not owned, mode=%d, [%d=>%d]\n",
|
|
p->dev, p->mode, e->type, e->data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void *do_monitor(void *unused)
|
|
{
|
|
|
|
/* Monitor thread, doesn't die until explicitly killed. */
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Starting vpb monitor thread[%ld]\n",
|
|
pthread_self());
|
|
|
|
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
|
|
|
|
for(;;) {
|
|
VPB_EVENT e;
|
|
VPB_EVENT je;
|
|
char str[VPB_MAX_STR];
|
|
struct vpb_pvt *p;
|
|
|
|
//if (option_verbose > 4)
|
|
// ast_verbose(VERBOSE_PREFIX_4 "Monitor waiting for event\n");
|
|
|
|
int res = vpb_get_event_sync(&e, VPB_WAIT_TIMEOUT);
|
|
if( (res==VPB_NO_EVENTS) || (res==VPB_TIME_OUT) )
|
|
continue;
|
|
|
|
if (res != VPB_OK) {
|
|
ast_log(LOG_ERROR,"Monitor get event error %s\n", vpb_strerror(res) );
|
|
ast_verbose("Monitor get event error %s\n", vpb_strerror(res) );
|
|
continue;
|
|
}
|
|
|
|
str[0] = 0;
|
|
|
|
p = NULL;
|
|
|
|
ast_mutex_lock(&monlock); {
|
|
vpb_translate_event(&e, str);
|
|
|
|
if (e.type == VPB_NULL_EVENT) {
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Monitor got null event\n");
|
|
goto done; /* Nothing to do, just a wakeup call.*/
|
|
}
|
|
if (strlen(str)>1){
|
|
str[(strlen(str)-1)]='\0';
|
|
}
|
|
|
|
ast_mutex_lock(&iflock); {
|
|
p = iflist;
|
|
while (p && p->handle != e.handle)
|
|
p = p->next;
|
|
} ast_mutex_unlock(&iflock);
|
|
|
|
if (p && (option_verbose > 3))
|
|
ast_verbose(VERBOSE_PREFIX_4 "Event [%d=>%s] on %s\n",
|
|
e.type, str, p ? p->dev : "null");
|
|
done: (void)0;
|
|
|
|
} ast_mutex_unlock(&monlock);
|
|
|
|
if (!p) {
|
|
if (e.type != VPB_NULL_EVENT){
|
|
ast_log(LOG_WARNING, "Got event [%s][%d], no matching iface!\n", str,e.type);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* flush the event from the channel event Q */
|
|
vpb_get_event_ch_async(e.handle,&je);
|
|
|
|
/* Two scenarios: Are you owned or not. */
|
|
ast_mutex_lock(&p->owner_lock);
|
|
if (p->owner) {
|
|
monitor_handle_owned(p, &e);
|
|
ast_mutex_unlock(&p->owner_lock);
|
|
} else {
|
|
ast_mutex_unlock(&p->owner_lock);
|
|
monitor_handle_notowned(p, &e);
|
|
}
|
|
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int restart_monitor(void)
|
|
{
|
|
int error = 0;
|
|
|
|
/* If we're supposed to be stopped -- stay stopped */
|
|
if (mthreadactive == -2)
|
|
return 0;
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Restarting monitor\n");
|
|
|
|
ast_mutex_lock(&monlock); {
|
|
if (monitor_thread == pthread_self()) {
|
|
ast_log(LOG_WARNING, "Cannot kill myself\n");
|
|
error = -1;
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Monitor trying to kill monitor\n");
|
|
goto done;
|
|
}
|
|
if (mthreadactive != -1) {
|
|
/* Why do other drivers kill the thread? No need says I, simply awake thread with event. */
|
|
VPB_EVENT e;
|
|
e.handle = 0;
|
|
e.type = VPB_NULL_EVENT;
|
|
e.data = 0;
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Trying to reawake monitor\n");
|
|
|
|
vpb_put_event(&e);
|
|
} else {
|
|
/* Start a new monitor */
|
|
int pid = pthread_create(&monitor_thread, NULL, do_monitor, NULL);
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Created new monitor thread %d\n",pid);
|
|
if (pid < 0) {
|
|
ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
|
|
error = -1;
|
|
goto done;
|
|
} else
|
|
mthreadactive = 0; /* Started the thread!*/
|
|
}
|
|
done: (void)0;
|
|
} ast_mutex_unlock(&monlock);
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 "Monitor restarted\n");
|
|
|
|
return error;
|
|
}
|
|
|
|
// Per board config that must be called after vpb_open()
|
|
static void mkbrd(vpb_model_t model, int echo_cancel)
|
|
{
|
|
if(!bridges) {
|
|
if(model==vpb_model_v4pci)
|
|
max_bridges = MAX_BRIDGES_V4PCI;
|
|
bridges = (vpb_bridge_t *)malloc(max_bridges * sizeof(vpb_bridge_t) );
|
|
if(!bridges)
|
|
ast_log(LOG_ERROR, "Failed to initialize bridges\n");
|
|
else
|
|
memset(bridges,0,max_bridges * sizeof(vpb_bridge_t));
|
|
}
|
|
if(!echo_cancel) {
|
|
if (model==vpb_model_v4pci) {
|
|
vpb_echo_canc_disable();
|
|
ast_log(LOG_NOTICE, "Voicetronix echo cancellation OFF\n");
|
|
}
|
|
else {
|
|
/* need to it port by port for OpenSwitch*/
|
|
}
|
|
} else {
|
|
if (model==vpb_model_v4pci) {
|
|
vpb_echo_canc_enable();
|
|
ast_log(LOG_NOTICE, "Voicetronix echo cancellation ON\n");
|
|
}
|
|
else {
|
|
/* need to it port by port for OpenSwitch*/
|
|
}
|
|
}
|
|
}
|
|
|
|
struct vpb_pvt *mkif(int board, int channel, int mode, float txgain, float rxgain,
|
|
float txswgain, float rxswgain, int bal1, int bal2, int bal3,
|
|
char * callerid, int echo_cancel, int group )
|
|
{
|
|
struct vpb_pvt *tmp;
|
|
char buf[64];
|
|
|
|
tmp = (struct vpb_pvt *)calloc(1, sizeof *tmp);
|
|
|
|
if (!tmp)
|
|
return NULL;
|
|
|
|
tmp->handle = vpb_open(board, channel);
|
|
|
|
if (tmp->handle < 0) {
|
|
ast_log(LOG_WARNING, "Unable to create channel vpb/%d-%d: %s\n",
|
|
board, channel, strerror(errno));
|
|
free(tmp);
|
|
return NULL;
|
|
}
|
|
|
|
sprintf(tmp->dev, "vpb/%d-%d", board, channel);
|
|
|
|
tmp->mode = mode;
|
|
|
|
tmp->group = group;
|
|
|
|
strcpy(tmp->language, language);
|
|
strcpy(tmp->context, context);
|
|
|
|
if(callerid) {
|
|
strcpy(tmp->callerid, callerid);
|
|
free(callerid);
|
|
} else {
|
|
strcpy(tmp->callerid, "unknown");
|
|
}
|
|
|
|
/* check if codec balances have been set in the config file */
|
|
if (bal3>=0) {
|
|
if ((bal1>=0) && !(bal1 & 32)) bal1 |= 32;
|
|
vpb_set_codec_reg(tmp->handle, 0x42, bal3);
|
|
}
|
|
if(bal1>=0) vpb_set_codec_reg(tmp->handle, 0x32, bal1);
|
|
if(bal2>=0) vpb_set_codec_reg(tmp->handle, 0x3a, bal2);
|
|
|
|
tmp->txgain = txgain;
|
|
vpb_play_set_hw_gain(tmp->handle, (txgain > MAX_VPB_GAIN) ? MAX_VPB_GAIN : txgain);
|
|
|
|
tmp->rxgain = rxgain;
|
|
vpb_record_set_hw_gain(tmp->handle, (rxgain > MAX_VPB_GAIN) ? MAX_VPB_GAIN : rxgain);
|
|
|
|
tmp->txswgain = txswgain;
|
|
vpb_play_set_gain(tmp->handle, (txswgain > MAX_VPB_GAIN) ? MAX_VPB_GAIN : txswgain);
|
|
|
|
tmp->rxswgain = rxswgain;
|
|
vpb_record_set_gain(tmp->handle, (rxswgain > MAX_VPB_GAIN) ? MAX_VPB_GAIN : rxswgain);
|
|
|
|
tmp->vpb_model = vpb_model_unknown;
|
|
if( vpb_get_model(buf) == VPB_OK ) {
|
|
if(strcmp(buf,"V12PCI")==0)
|
|
tmp->vpb_model = vpb_model_v12pci;
|
|
else if(strcmp(buf,"VPB4")==0)
|
|
tmp->vpb_model = vpb_model_v4pci;
|
|
}
|
|
|
|
ast_mutex_init(&tmp->lock);
|
|
ast_mutex_init(&tmp->record_lock);
|
|
ast_mutex_init(&tmp->play_lock);
|
|
ast_mutex_init(&tmp->play_dtmf_lock);
|
|
ast_mutex_init(&tmp->owner_lock);
|
|
|
|
tmp->busy_timer_id = vpb_timer_get_unique_timer_id();
|
|
vpb_timer_open(&tmp->busy_timer, tmp->handle, tmp->busy_timer_id, TIMER_PERIOD_BUSY);
|
|
|
|
tmp->ringback_timer_id = vpb_timer_get_unique_timer_id();
|
|
vpb_timer_open(&tmp->ringback_timer, tmp->handle, tmp->ringback_timer_id, TIMER_PERIOD_RINGBACK);
|
|
|
|
if (mode == MODE_FXO){
|
|
vpb_set_event_mask(tmp->handle, VPB_EVENTS_NODTMF );
|
|
}
|
|
else {
|
|
vpb_set_event_mask(tmp->handle, VPB_EVENTS_STAT );
|
|
}
|
|
|
|
if ((tmp->vpb_model == vpb_model_v12pci) && (echo_cancel)){
|
|
vpb_hostecho_on(tmp->handle);
|
|
}
|
|
|
|
/* define grunt tone */
|
|
vpb_settonedet(tmp->handle,&toned_ungrunt);
|
|
|
|
ast_log(LOG_NOTICE,"Voicetronix %s channel %s initialized (rxgain=%f txgain=%f) (%f/%f/0x%X/0x%X/0x%X)\n",
|
|
(tmp->vpb_model==vpb_model_v4pci)?"V4PCI":
|
|
(tmp->vpb_model==vpb_model_v12pci)?"V12PCI":"[Unknown model]",
|
|
tmp->dev, tmp->rxswgain, tmp->txswgain, tmp->rxgain, tmp->txgain, bal1, bal2, bal3 );
|
|
|
|
return tmp;
|
|
}
|
|
|
|
static int vpb_indicate(struct ast_channel *ast, int condition)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
int res = 0;
|
|
|
|
if (option_verbose > 3)
|
|
ast_verbose(VERBOSE_PREFIX_4 " vpb indicate on %s with %d\n", p->dev, condition);
|
|
|
|
switch(condition) {
|
|
case AST_CONTROL_BUSY:
|
|
case AST_CONTROL_CONGESTION:
|
|
playtone(p->handle, &Busytone);
|
|
p->state = VPB_STATE_PLAYBUSY;
|
|
vpb_timer_start(p->busy_timer);
|
|
break;
|
|
case AST_CONTROL_RINGING:
|
|
playtone(p->handle, &Ringbacktone);
|
|
vpb_timer_start(p->ringback_timer);
|
|
break;
|
|
case AST_CONTROL_ANSWER:
|
|
case -1: /* -1 means stop playing? */
|
|
vpb_timer_stop(p->ringback_timer);
|
|
vpb_timer_stop(p->busy_timer);
|
|
stoptone(p->handle);
|
|
break;
|
|
case AST_CONTROL_HANGUP:
|
|
playtone(p->handle, &Busytone);
|
|
p->state = VPB_STATE_PLAYBUSY;
|
|
vpb_timer_start(p->busy_timer);
|
|
break;
|
|
|
|
default:
|
|
res = 0;
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int vpb_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)newchan->pvt->pvt;
|
|
|
|
ast_mutex_lock(&p->lock);
|
|
ast_log(LOG_DEBUG,
|
|
"New owner for channel %s is %s\n", p->dev, newchan->name);
|
|
|
|
if (p->owner == oldchan) {
|
|
p->owner = newchan;
|
|
}
|
|
|
|
if (newchan->_state == AST_STATE_RINGING)
|
|
vpb_indicate(newchan, AST_CONTROL_RINGING);
|
|
|
|
ast_mutex_unlock(&p->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int vpb_digit(struct ast_channel *ast, char digit)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
char s[2];
|
|
|
|
s[0] = digit;
|
|
s[1] = '\0';
|
|
|
|
ast_mutex_lock(&p->play_dtmf_lock);
|
|
strncat(p->play_dtmf,s,sizeof(*p->play_dtmf));
|
|
ast_mutex_unlock(&p->play_dtmf_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int vpb_call(struct ast_channel *ast, char *dest, int timeout)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
int res = 0;
|
|
char *s = strrchr(dest, '/');
|
|
|
|
if (s)
|
|
s = s + 1;
|
|
else
|
|
s = dest;
|
|
|
|
if (ast->_state != AST_STATE_DOWN && ast->_state != AST_STATE_RESERVED) {
|
|
ast_log(LOG_WARNING, "vpb_call on %s neither down nor reserved!\n",
|
|
ast->name);
|
|
return -1;
|
|
}
|
|
if (p->mode != MODE_FXO) /* Station port, ring it. */
|
|
res = vpb_ring_station_async(p->handle, VPB_RING_STATION_ON,0);
|
|
else {
|
|
VPB_CALL call;
|
|
|
|
// Dial must timeout or it can leave channels unuseable
|
|
if( timeout == 0 )
|
|
timeout = TIMER_PERIOD_NOANSWER;
|
|
else
|
|
timeout = timeout * 1000; //convert from secs to ms.
|
|
|
|
// These timeouts are only used with call progress dialing
|
|
call.dialtones = 1; // Number of dialtones to get outside line
|
|
call.dialtone_timeout = VPB_DIALTONE_WAIT; // Wait this long for dialtone (ms)
|
|
call.ringback_timeout = VPB_RINGWAIT; // Wait this long for ringing after dialing (ms)
|
|
call.inter_ringback_timeout = VPB_CONNECTED_WAIT; // If ringing stops for this long consider it connected (ms)
|
|
call.answer_timeout = timeout; // Time to wait for answer after ringing starts (ms)
|
|
memcpy( &call.tone_map, DialToneMap, sizeof(DialToneMap) );
|
|
vpb_set_call(p->handle, &call);
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Calling %s on %s \n", s, ast->name);
|
|
|
|
if (option_verbose > 2) {
|
|
int j;
|
|
ast_verbose(VERBOSE_PREFIX_2 "Dial parms for %s %d/%dms/%dms/%dms/%dms\n"
|
|
, ast->name, call.dialtones, call.dialtone_timeout
|
|
, call.ringback_timeout, call.inter_ringback_timeout
|
|
, call.answer_timeout );
|
|
for( j=0; !call.tone_map[j].terminate; j++ )
|
|
ast_verbose(VERBOSE_PREFIX_2 "Dial parms for %s tone %d->%d\n",
|
|
ast->name, call.tone_map[j].tone_id, call.tone_map[j].call_id);
|
|
}
|
|
|
|
vpb_sethook_sync(p->handle,VPB_OFFHOOK);
|
|
|
|
#ifndef DIAL_WITH_CALL_PROGRESS
|
|
vpb_sleep(300);
|
|
res = vpb_dial_async(p->handle, s);
|
|
#else
|
|
res = vpb_call_async(p->handle, s);
|
|
#endif
|
|
|
|
if (res != VPB_OK) {
|
|
ast_log(LOG_DEBUG, "Call on %s to %s failed: %s\n", ast->name, s, vpb_strerror(res));
|
|
res = -1;
|
|
} else
|
|
res = 0;
|
|
}
|
|
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 " VPB Calling %s [t=%d] on %s returned %d\n", s, timeout, ast->name, res);
|
|
if (res == 0) {
|
|
ast_setstate(ast, AST_STATE_RINGING);
|
|
ast_queue_control(ast,AST_CONTROL_RINGING);
|
|
}
|
|
|
|
pthread_create(&p->readthread, NULL, do_chanreads, (void *)p);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int vpb_hangup(struct ast_channel *ast)
|
|
{
|
|
struct vpb_pvt *p;
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Hangup on %s requested\n", ast->name);
|
|
|
|
if (!ast->pvt || !ast->pvt->pvt) {
|
|
ast_log(LOG_WARNING, "channel (%s) not connected?\n", ast->name);
|
|
return 0;
|
|
}
|
|
|
|
ast_setstate(ast,AST_STATE_DOWN);
|
|
|
|
p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
|
|
/* Stop record */
|
|
p->stopreads = 1;
|
|
if( p->readthread )
|
|
pthread_join(p->readthread, NULL);
|
|
|
|
/* Stop play */
|
|
if (p->lastoutput != -1) {
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Ending play mode on %s\n",p->dev);
|
|
vpb_play_terminate(p->handle);
|
|
ast_mutex_lock(&p->play_lock); {
|
|
vpb_play_buf_finish(p->handle);
|
|
} ast_mutex_unlock(&p->play_lock);
|
|
}
|
|
|
|
if (p->mode != MODE_FXO) { /* station port. */
|
|
vpb_ring_station_async(p->handle, VPB_RING_STATION_OFF,0);
|
|
playtone(p->handle, &Busytone);
|
|
p->state = VPB_STATE_PLAYBUSY;
|
|
} else {
|
|
stoptone(p->handle); // Terminates any dialing
|
|
vpb_sethook_sync(p->handle, VPB_ONHOOK);
|
|
}
|
|
|
|
p->readthread = 0;
|
|
p->lastoutput = -1;
|
|
p->lastinput = -1;
|
|
p->last_ignore_dtmf = 1;
|
|
p->ext[0] = 0;
|
|
p->dialtone = 0;
|
|
|
|
ast_mutex_lock(&p->owner_lock); {
|
|
p->owner = NULL;
|
|
ast->pvt->pvt = NULL;
|
|
} ast_mutex_unlock(&p->owner_lock);
|
|
|
|
ast_mutex_lock(&usecnt_lock); {
|
|
usecnt--;
|
|
} ast_mutex_unlock(&usecnt_lock);
|
|
ast_update_use_count();
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Hangup on %s complete\n", ast->name);
|
|
|
|
restart_monitor();
|
|
return 0;
|
|
}
|
|
|
|
static int vpb_answer(struct ast_channel *ast)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
|
|
if (p->mode == MODE_FXO)
|
|
vpb_sethook_sync(p->handle, VPB_OFFHOOK);
|
|
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Answered call from %s on %s\n", p->owner->callerid, ast->name);
|
|
|
|
ast->rings = 0;
|
|
pthread_create(&p->readthread, NULL, do_chanreads, (void *)p);
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_frame *vpb_read(struct ast_channel *ast)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
static struct ast_frame f = {AST_FRAME_NULL};
|
|
|
|
f.src = type;
|
|
ast_log(LOG_NOTICE, "vpb_read should never be called (chan=%s)!\n", p->dev);
|
|
|
|
return &f;
|
|
}
|
|
|
|
static inline int ast2vpbformat(int ast_format)
|
|
{
|
|
switch(ast_format) {
|
|
case AST_FORMAT_ALAW:
|
|
return VPB_ALAW;
|
|
case AST_FORMAT_SLINEAR:
|
|
return VPB_LINEAR;
|
|
case AST_FORMAT_ULAW:
|
|
return VPB_MULAW;
|
|
case AST_FORMAT_ADPCM:
|
|
return VPB_OKIADPCM;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static inline int astformatbits(int ast_format)
|
|
{
|
|
switch(ast_format) {
|
|
case AST_FORMAT_ALAW:
|
|
case AST_FORMAT_ULAW:
|
|
return 8;
|
|
case AST_FORMAT_SLINEAR:
|
|
return 16;
|
|
case AST_FORMAT_ADPCM:
|
|
return 4;
|
|
default:
|
|
return 8;
|
|
}
|
|
}
|
|
|
|
int gain_vector(float g, short *v, int n) {
|
|
int i;
|
|
float tmp;
|
|
for ( i = 0; i<n; i++) {
|
|
tmp = g*v[i];
|
|
if (tmp > 32767.0)
|
|
tmp = 32767.0;
|
|
if (tmp < -32768.0)
|
|
tmp = -32768.0;
|
|
v[i] = (short)tmp;
|
|
}
|
|
return(i);
|
|
}
|
|
|
|
static int vpb_write(struct ast_channel *ast, struct ast_frame *frame)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)ast->pvt->pvt;
|
|
int res = 0, fmt = 0;
|
|
|
|
if (frame->frametype != AST_FRAME_VOICE) {
|
|
if(option_verbose>3)
|
|
ast_verbose( VERBOSE_PREFIX_4 "Don't know how to handle from type %d\n", frame->frametype);
|
|
return 0;
|
|
} else if (ast->_state != AST_STATE_UP) {
|
|
if(option_verbose>3)
|
|
ast_verbose( VERBOSE_PREFIX_4 "Writing frame type [%d,%d] on chan %s not up\n", frame->frametype, frame->subclass, ast->name);
|
|
return 0;
|
|
}
|
|
|
|
fmt = ast2vpbformat(frame->subclass);
|
|
if (fmt < 0) {
|
|
ast_log(LOG_WARNING, "vpb_write Cannot handle frames of %d format!\n", frame->subclass);
|
|
return -1;
|
|
}
|
|
|
|
ast_mutex_lock(&p->play_lock);
|
|
|
|
if (p->lastoutput == -1) {
|
|
vpb_play_buf_start(p->handle, fmt);
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Starting play mode on %s (codec=%d)\n",p->dev,fmt);
|
|
} else if (p->lastoutput != fmt) {
|
|
vpb_play_buf_finish(p->handle);
|
|
vpb_play_buf_start(p->handle, fmt);
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Changed play format on %s (%d=>%d)\n",p->dev,p->lastoutput,fmt);
|
|
}
|
|
|
|
p->lastoutput = fmt;
|
|
|
|
// Apply extra gain !
|
|
if( p->txswgain > MAX_VPB_GAIN )
|
|
gain_vector(p->txswgain - MAX_VPB_GAIN , (short*)frame->data, frame->datalen/sizeof(short));
|
|
|
|
res = vpb_play_buf_sync(p->handle, (char*)frame->data, frame->datalen);
|
|
if( (res == VPB_OK) && (option_verbose > 4) ) {
|
|
short * data = (short*)frame->data;
|
|
ast_verbose("Write chan %s: (codec=%d) %d %d\n", p->dev, fmt, data[0],data[1]);
|
|
}
|
|
|
|
ast_mutex_unlock(&p->play_lock);
|
|
return 0;
|
|
}
|
|
|
|
/* Read monitor thread function. */
|
|
static void *do_chanreads(void *pvt)
|
|
{
|
|
struct vpb_pvt *p = (struct vpb_pvt *)pvt;
|
|
struct ast_frame *fr = &p->fr;
|
|
char *readbuf = ((char *)p->buf) + AST_FRIENDLY_OFFSET;
|
|
int bridgerec = 0;
|
|
int afmt, readlen, res, fmt;
|
|
int ignore_dtmf;
|
|
char * getdtmf_var = NULL;
|
|
|
|
fr->frametype = AST_FRAME_VOICE;
|
|
fr->src = type;
|
|
fr->mallocd = 0;
|
|
fr->samples = VPB_SAMPLES;
|
|
fr->offset = AST_FRIENDLY_OFFSET;
|
|
memset(p->buf, 0, sizeof p->buf);
|
|
|
|
ast_mutex_lock(&p->record_lock);
|
|
|
|
p->stopreads = 0;
|
|
while (!p->stopreads && p->owner) {
|
|
|
|
ast_mutex_lock(&p->lock); {
|
|
if (p->bridge) {
|
|
if (p->bridge->c0 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_0))
|
|
bridgerec = 1;
|
|
else if (p->bridge->c1 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_1))
|
|
bridgerec = 1;
|
|
else
|
|
bridgerec = 0;
|
|
} else {
|
|
bridgerec = 1;
|
|
}
|
|
} ast_mutex_unlock(&p->lock);
|
|
|
|
if ( (p->owner->_state != AST_STATE_UP) || !bridgerec) {
|
|
vpb_sleep(10);
|
|
continue;
|
|
}
|
|
|
|
// Voicetronix DTMF detection can be triggered off ordinary speech
|
|
// This leads to annoying beeps during the conversation
|
|
// Avoid this problem by just setting VPB_GETDTMF when you want to listen for DTMF
|
|
//ignore_dtmf = 1;
|
|
ignore_dtmf = 0; /* set this to 1 to turn this feature on */
|
|
getdtmf_var = pbx_builtin_getvar_helper(p->owner,"VPB_GETDTMF");
|
|
if( getdtmf_var && ( strcasecmp( getdtmf_var, "yes" ) == 0 ) )
|
|
ignore_dtmf = 0;
|
|
|
|
if( ignore_dtmf != p->last_ignore_dtmf ) {
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Now %s DTMF on %s\n",
|
|
ignore_dtmf ? "ignoring" : "listening for", p->dev);
|
|
vpb_set_event_mask(p->handle, ignore_dtmf ? VPB_EVENTS_NODTMF : VPB_EVENTS_ALL );
|
|
}
|
|
p->last_ignore_dtmf = ignore_dtmf;
|
|
|
|
// Play DTMF digits here to avoid problem you get if playing a digit during
|
|
// a record operation
|
|
ast_mutex_lock(&p->play_dtmf_lock);
|
|
if( p->play_dtmf[0] ) {
|
|
// Try to ignore DTMF event we get after playing digit
|
|
// This DTMF is played by asterisk and leads to an annoying trailing beep on CISCO phones
|
|
if( !ignore_dtmf)
|
|
vpb_set_event_mask(p->handle, VPB_EVENTS_NODTMF );
|
|
vpb_dial_sync(p->handle,p->play_dtmf);
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Played on %s DTMF %s\n",p->dev,p->play_dtmf);
|
|
p->play_dtmf[0] = '\0';
|
|
ast_mutex_unlock(&p->play_dtmf_lock);
|
|
vpb_sleep(700); // Long enough to miss echo and DTMF event
|
|
if( !ignore_dtmf)
|
|
vpb_set_event_mask(p->handle, VPB_EVENTS_ALL );
|
|
continue;
|
|
}
|
|
ast_mutex_unlock(&p->play_dtmf_lock);
|
|
|
|
afmt = (p->owner) ? p->owner->pvt->rawreadformat : AST_FORMAT_SLINEAR;
|
|
fmt = ast2vpbformat(afmt);
|
|
if (fmt < 0) {
|
|
ast_log(LOG_WARNING,"Record failure on %s (unsupported format %d)\n", p->dev, afmt);
|
|
return NULL;
|
|
}
|
|
readlen = VPB_SAMPLES * astformatbits(afmt) / 8;
|
|
|
|
if (p->lastinput == -1) {
|
|
vpb_record_buf_start(p->handle, fmt);
|
|
vpb_reset_record_fifo_alarm(p->handle);
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Starting record mode on %s (codec=%d)\n",p->dev,fmt);
|
|
} else if (p->lastinput != fmt) {
|
|
vpb_record_buf_finish(p->handle);
|
|
vpb_record_buf_start(p->handle, fmt);
|
|
if(option_verbose>1)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Changed record format on %s (%d=>%d)\n",p->dev,p->lastinput,fmt);
|
|
}
|
|
p->lastinput = fmt;
|
|
|
|
/* Read only if up and not bridged, or a bridge for which we can read. */
|
|
if( (res = vpb_record_buf_sync(p->handle, readbuf, readlen) ) == VPB_OK ) {
|
|
// Apply extra gain !
|
|
if( p->rxswgain > MAX_VPB_GAIN )
|
|
gain_vector(p->rxswgain - MAX_VPB_GAIN , (short*)readbuf, readlen/sizeof(short));
|
|
|
|
fr->subclass = afmt;
|
|
fr->data = readbuf;
|
|
fr->datalen = readlen;
|
|
|
|
// Using trylock here to prevent deadlock when channel is hungup
|
|
// (ast_hangup() immediately gets lock)
|
|
if (p->owner && (ast_mutex_trylock(&p->owner->lock)==0) ) {
|
|
ast_queue_frame(p->owner, fr);
|
|
ast_mutex_unlock(&p->owner->lock);
|
|
if (option_verbose > 4) {
|
|
short * data = (short*)readbuf;
|
|
ast_verbose("Read channel %s (codec=%d) %d %d\n", p->dev, fmt, data[0], data[1] );
|
|
}
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING,"Record failure on %s (%s)\n", p->dev, vpb_strerror(res));
|
|
vpb_record_buf_finish(p->handle);
|
|
vpb_record_buf_start(p->handle, fmt);
|
|
}
|
|
}
|
|
|
|
/* When stopreads seen, go away! */
|
|
vpb_record_buf_finish(p->handle);
|
|
ast_mutex_unlock(&p->record_lock);
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Ending record mode on %s (%d/%s)\n",
|
|
p->dev, p->stopreads, p->owner? "yes" : "no");
|
|
return NULL;
|
|
}
|
|
|
|
static struct ast_channel *vpb_new(struct vpb_pvt *i, int state, char *context)
|
|
{
|
|
struct ast_channel *tmp;
|
|
|
|
if (i->owner) {
|
|
ast_log(LOG_WARNING, "Called vpb_new on owned channel (%s) ?!\n", i->dev);
|
|
return NULL;
|
|
}
|
|
|
|
tmp = ast_channel_alloc(1);
|
|
if (tmp) {
|
|
strncpy(tmp->name, i->dev, sizeof(tmp->name));
|
|
tmp->type = type;
|
|
|
|
// Linear is the preferred format. Although Voicetronix supports other formats
|
|
// they are all converted to/from linear in the vpb code. Best for us to use
|
|
// linear since we can then adjust volume in this modules.
|
|
tmp->nativeformats = prefformat;
|
|
tmp->pvt->rawreadformat = AST_FORMAT_SLINEAR;
|
|
tmp->pvt->rawwriteformat = AST_FORMAT_SLINEAR;
|
|
ast_setstate(tmp, state);
|
|
if (state == AST_STATE_RING)
|
|
tmp->rings = 1;
|
|
tmp->pvt->pvt = i;
|
|
tmp->pvt->send_digit = vpb_digit;
|
|
tmp->pvt->call = vpb_call;
|
|
tmp->pvt->hangup = vpb_hangup;
|
|
tmp->pvt->answer = vpb_answer;
|
|
tmp->pvt->read = vpb_read;
|
|
tmp->pvt->write = vpb_write;
|
|
tmp->pvt->bridge = vpb_bridge;
|
|
tmp->pvt->indicate = vpb_indicate;
|
|
tmp->pvt->fixup = vpb_fixup;
|
|
|
|
strncpy(tmp->context, context, sizeof(tmp->context)-1);
|
|
if (strlen(i->ext))
|
|
strncpy(tmp->exten, i->ext, sizeof(tmp->exten)-1);
|
|
else
|
|
strncpy(tmp->exten, "s", sizeof(tmp->exten) - 1);
|
|
if (strlen(i->language))
|
|
strncpy(tmp->language, i->language, sizeof(tmp->language)-1);
|
|
|
|
i->owner = tmp;
|
|
|
|
i->bridge = NULL;
|
|
i->lastoutput = -1;
|
|
i->lastinput = -1;
|
|
i->last_ignore_dtmf = 1;
|
|
i->readthread = 0;
|
|
i->play_dtmf[0] = '\0';
|
|
|
|
i->lastgrunt = get_time_in_ms(); /* Assume at least one grunt tone seen now. */
|
|
|
|
ast_mutex_lock(&usecnt_lock);
|
|
usecnt++;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
ast_update_use_count();
|
|
if (state != AST_STATE_DOWN) {
|
|
if (ast_pbx_start(tmp)) {
|
|
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
|
|
ast_hangup(tmp);
|
|
}
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
|
|
}
|
|
return tmp;
|
|
}
|
|
|
|
static struct ast_channel *vpb_request(char *type, int format, void *data)
|
|
{
|
|
int oldformat;
|
|
struct vpb_pvt *p;
|
|
struct ast_channel *tmp = NULL;
|
|
char *name = strdup(data ? (char *)data : "");
|
|
char *s, *sepstr;
|
|
int group=-1;
|
|
|
|
oldformat = format;
|
|
format &= prefformat;
|
|
if (!format) {
|
|
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
|
|
return NULL;
|
|
}
|
|
|
|
sepstr = name;
|
|
s = strsep(&sepstr, "/"); /* Handle / issues */
|
|
if (!s)
|
|
s = "";
|
|
/* Check if we are looking for a group */
|
|
if (toupper(name[0]) == 'G' || toupper(name[0])=='R') {
|
|
group=atoi(name+1);
|
|
}
|
|
/* Search for an unowned channel */
|
|
ast_mutex_lock(&iflock); {
|
|
p = iflist;
|
|
while(p) {
|
|
if (group == -1){
|
|
if (strncmp(s, p->dev + 4, sizeof p->dev) == 0) {
|
|
if (!p->owner) {
|
|
tmp = vpb_new(p, AST_STATE_DOWN, p->context);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if ((p->group == group) && (!p->owner)) {
|
|
tmp = vpb_new(p, AST_STATE_DOWN, p->context);
|
|
break;
|
|
}
|
|
}
|
|
p = p->next;
|
|
}
|
|
} ast_mutex_unlock(&iflock);
|
|
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 " %s requested, got: [%s]\n",
|
|
name, tmp ? tmp->name : "None");
|
|
|
|
free(name);
|
|
|
|
restart_monitor();
|
|
return tmp;
|
|
}
|
|
|
|
static float parse_gain_value(char *gain_type, char *value)
|
|
{
|
|
float gain;
|
|
|
|
/* try to scan number */
|
|
if (sscanf(value, "%f", &gain) != 1)
|
|
{
|
|
ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n", value, gain_type, config);
|
|
return DEFAULT_GAIN;
|
|
}
|
|
|
|
|
|
/* percentage? */
|
|
//if (value[strlen(value) - 1] == '%')
|
|
// return gain / (float)100;
|
|
|
|
return gain;
|
|
}
|
|
|
|
int load_module()
|
|
{
|
|
struct ast_config *cfg;
|
|
struct ast_variable *v;
|
|
struct vpb_pvt *tmp;
|
|
int board = 0, group = 0;
|
|
int mode = MODE_IMMEDIATE;
|
|
float txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN;
|
|
float txswgain = 0, rxswgain = 0;
|
|
int first_channel = 1;
|
|
int echo_cancel = DEFAULT_ECHO_CANCEL;
|
|
int error = 0; /* Error flag */
|
|
int bal1 = -1; // Special value - means do not set
|
|
int bal2 = -1;
|
|
int bal3 = -1;
|
|
char * callerid = NULL;
|
|
|
|
cfg = ast_load(config);
|
|
|
|
/* We *must* have a config file otherwise stop immediately */
|
|
if (!cfg) {
|
|
ast_log(LOG_ERROR, "Unable to load config %s\n", config);
|
|
return -1;
|
|
}
|
|
|
|
vpb_seterrormode(VPB_ERROR_CODE);
|
|
|
|
ast_mutex_lock(&iflock); {
|
|
v = ast_variable_browse(cfg, "interfaces");
|
|
while(v) {
|
|
/* Create the interface list */
|
|
if (strcasecmp(v->name, "board") == 0)
|
|
board = atoi(v->value);
|
|
else if (strcasecmp(v->name, "group") == 0)
|
|
group = atoi(v->value);
|
|
else if (strcasecmp(v->name, "channel") == 0) {
|
|
int channel = atoi(v->value);
|
|
tmp = mkif(board, channel, mode, txgain, rxgain, txswgain, rxswgain, bal1, bal2, bal3, callerid, echo_cancel,group);
|
|
if (tmp) {
|
|
if(first_channel) {
|
|
mkbrd( tmp->vpb_model, echo_cancel );
|
|
first_channel = 0;
|
|
}
|
|
tmp->next = iflist;
|
|
iflist = tmp;
|
|
} else {
|
|
ast_log(LOG_ERROR,
|
|
"Unable to register channel '%s'\n", v->value);
|
|
error = -1;
|
|
goto done;
|
|
}
|
|
callerid = NULL;
|
|
} else if (strcasecmp(v->name, "language") == 0) {
|
|
strncpy(language, v->value, sizeof(language)-1);
|
|
} else if (strcasecmp(v->name, "callerid") == 0) {
|
|
callerid = strdup(v->value);
|
|
} else if (strcasecmp(v->name, "mode") == 0) {
|
|
if (strncasecmp(v->value, "di", 2) == 0)
|
|
mode = MODE_DIALTONE;
|
|
else if (strncasecmp(v->value, "im", 2) == 0)
|
|
mode = MODE_IMMEDIATE;
|
|
else if (strncasecmp(v->value, "fx", 2) == 0)
|
|
mode = MODE_FXO;
|
|
else
|
|
ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
|
|
} else if (!strcasecmp(v->name, "context")) {
|
|
strncpy(context, v->value, sizeof(context)-1);
|
|
} else if (!strcasecmp(v->name, "echocancel")) {
|
|
if (!strcasecmp(v->value, "off"))
|
|
echo_cancel = 0;
|
|
} else if (strcasecmp(v->name, "txgain") == 0) {
|
|
txswgain = parse_gain_value(v->name, v->value);
|
|
} else if (strcasecmp(v->name, "rxgain") == 0) {
|
|
rxswgain = parse_gain_value(v->name, v->value);
|
|
} else if (strcasecmp(v->name, "txhwgain") == 0) {
|
|
txgain = parse_gain_value(v->name, v->value);
|
|
} else if (strcasecmp(v->name, "rxhwgain") == 0) {
|
|
rxgain = parse_gain_value(v->name, v->value);
|
|
} else if (strcasecmp(v->name, "bal1") == 0) {
|
|
bal1 = strtol(v->value, NULL, 16);
|
|
if(bal1<0 || bal1>255) {
|
|
ast_log(LOG_WARNING, "Bad bal1 value: %d\n", bal1);
|
|
bal1 = -1;
|
|
}
|
|
} else if (strcasecmp(v->name, "bal2") == 0) {
|
|
bal2 = strtol(v->value, NULL, 16);
|
|
if(bal2<0 || bal2>255) {
|
|
ast_log(LOG_WARNING, "Bad bal2 value: %d\n", bal2);
|
|
bal2 = -1;
|
|
}
|
|
} else if (strcasecmp(v->name, "bal3") == 0) {
|
|
bal3 = strtol(v->value, NULL, 16);
|
|
if(bal3<0 || bal3>255) {
|
|
ast_log(LOG_WARNING, "Bad bal3 value: %d\n", bal3);
|
|
bal3 = -1;
|
|
}
|
|
} else if (strcasecmp(v->name, "grunttimeout") == 0) {
|
|
gruntdetect_timeout = 1000*atoi(v->value);
|
|
}
|
|
v = v->next;
|
|
}
|
|
|
|
if (gruntdetect_timeout < 1000)
|
|
gruntdetect_timeout = 1000;
|
|
|
|
done: (void)0;
|
|
} ast_mutex_unlock(&iflock);
|
|
|
|
ast_destroy(cfg);
|
|
|
|
if (!error && ast_channel_register(type, tdesc, prefformat, vpb_request) != 0) {
|
|
ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
|
|
error = -1;
|
|
}
|
|
|
|
|
|
if (error)
|
|
unload_module();
|
|
else
|
|
restart_monitor(); /* And start the monitor for the first time */
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
int unload_module()
|
|
{
|
|
struct vpb_pvt *p;
|
|
/* First, take us out of the channel loop */
|
|
ast_channel_unregister(type);
|
|
|
|
ast_mutex_lock(&iflock); {
|
|
/* Hangup all interfaces if they have an owner */
|
|
p = iflist;
|
|
while(p) {
|
|
if (p->owner)
|
|
ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
|
|
p = p->next;
|
|
}
|
|
iflist = NULL;
|
|
} ast_mutex_unlock(&iflock);
|
|
|
|
ast_mutex_lock(&monlock); {
|
|
if (mthreadactive > -1) {
|
|
pthread_cancel(monitor_thread);
|
|
pthread_join(monitor_thread, NULL);
|
|
}
|
|
mthreadactive = -2;
|
|
} ast_mutex_unlock(&monlock);
|
|
|
|
ast_mutex_lock(&iflock); {
|
|
/* Destroy all the interfaces and free their memory */
|
|
|
|
while(iflist) {
|
|
p = iflist;
|
|
ast_mutex_destroy(&p->lock);
|
|
pthread_cancel(p->readthread);
|
|
ast_mutex_destroy(&p->record_lock);
|
|
ast_mutex_destroy(&p->play_lock);
|
|
ast_mutex_destroy(&p->play_dtmf_lock);
|
|
ast_mutex_destroy(&p->owner_lock);
|
|
p->readthread = 0;
|
|
|
|
vpb_close(p->handle);
|
|
|
|
iflist = iflist->next;
|
|
|
|
free(p);
|
|
}
|
|
iflist = NULL;
|
|
} ast_mutex_unlock(&iflock);
|
|
|
|
ast_mutex_lock(&bridge_lock); {
|
|
memset(bridges, 0, sizeof bridges);
|
|
} ast_mutex_unlock(&bridge_lock);
|
|
ast_mutex_destroy(&bridge_lock);
|
|
free(bridges);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int usecount()
|
|
{
|
|
int res;
|
|
ast_mutex_lock(&usecnt_lock);
|
|
res = usecnt;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
return res;
|
|
}
|
|
|
|
char *description()
|
|
{
|
|
return desc;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
}
|
|
#endif
|