chan_phone.c File Reference
Generic Linux Telephony Interface driver. More...
#include "asterisk.h"#include <ctype.h>#include <sys/socket.h>#include <sys/time.h>#include <arpa/inet.h>#include <fcntl.h>#include <sys/ioctl.h>#include <signal.h>#include <linux/telephony.h>#include <linux/version.h>#include <linux/ixjuser.h>#include "asterisk/lock.h"#include "asterisk/channel.h"#include "asterisk/config.h"#include "asterisk/module.h"#include "asterisk/pbx.h"#include "asterisk/utils.h"#include "asterisk/callerid.h"#include "asterisk/causes.h"#include "asterisk/stringfields.h"#include "asterisk/musiconhold.h"#include "chan_phone.h"
Go to the source code of this file.
Data Structures | |
| struct | phone_pvt |
Defines | |
| #define | DEFAULT_CALLER_ID "Unknown" |
| #define | DEFAULT_GAIN 0x100 |
| #define | IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x); |
| #define | MODE_DIALTONE 1 |
| #define | MODE_FXO 3 |
| #define | MODE_FXS 4 |
| #define | MODE_IMMEDIATE 2 |
| #define | MODE_SIGMA 5 |
| #define | PHONE_MAX_BUF 480 |
| #define | QNDRV_VER 100 |
Functions | |
| static void | __reg_module (void) |
| static int | __unload_module (void) |
| static void | __unreg_module (void) |
| static void * | do_monitor (void *data) |
| static int | load_module (void) |
| static struct phone_pvt * | mkif (const char *iface, int mode, int txgain, int rxgain) |
| static int | parse_gain_value (const char *gain_type, const char *value) |
| static int | phone_answer (struct ast_channel *ast) |
| static int | phone_call (struct ast_channel *ast, char *dest, int timeout) |
| static void | phone_check_exception (struct phone_pvt *i) |
| static int | phone_digit_begin (struct ast_channel *ast, char digit) |
| static int | phone_digit_end (struct ast_channel *ast, char digit, unsigned int duration) |
| static struct ast_frame * | phone_exception (struct ast_channel *ast) |
| static int | phone_fixup (struct ast_channel *old, struct ast_channel *new) |
| static int | phone_hangup (struct ast_channel *ast) |
| static int | phone_indicate (struct ast_channel *chan, int condition, const void *data, size_t datalen) |
| static void | phone_mini_packet (struct phone_pvt *i) |
| static struct ast_channel * | phone_new (struct phone_pvt *i, int state, char *cntx) |
| static struct ast_frame * | phone_read (struct ast_channel *ast) |
| static struct ast_channel * | phone_request (const char *type, int format, void *data, int *cause) |
| static int | phone_send_text (struct ast_channel *ast, const char *text) |
| static int | phone_setup (struct ast_channel *ast) |
| static int | phone_write (struct ast_channel *ast, struct ast_frame *frame) |
| static int | phone_write_buf (struct phone_pvt *p, const char *buf, int len, int frlen, int swap) |
| static int | restart_monitor (void) |
| static int | unload_module (void) |
Variables | |
| static struct ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Linux Telephony API Support" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } |
| static struct ast_module_info * | ast_module_info = &__mod_info |
| static char | cid_name [AST_MAX_EXTENSION] |
| static char | cid_num [AST_MAX_EXTENSION] |
| static const char | config [] = "phone.conf" |
| static char | context [AST_MAX_EXTENSION] = "default" |
| static struct ast_channel_tech * | cur_tech |
| static int | echocancel = AEC_OFF |
| static struct phone_pvt * | iflist |
| static ast_mutex_t | iflock = AST_MUTEX_INIT_VALUE |
| static char | language [MAX_LANGUAGE] = "" |
| static unsigned int | monitor |
| static pthread_t | monitor_thread = AST_PTHREADT_NULL |
| static ast_mutex_t | monlock = AST_MUTEX_INIT_VALUE |
| static struct ast_channel_tech | phone_tech |
| static struct ast_channel_tech | phone_tech_fxs |
| static int | prefformat = AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW |
| static int | silencesupression = 0 |
| static const char | tdesc [] = "Standard Linux Telephony API Driver" |
Detailed Description
Generic Linux Telephony Interface driver.
Definition in file chan_phone.c.
Define Documentation
| #define DEFAULT_CALLER_ID "Unknown" |
Definition at line 80 of file chan_phone.c.
Referenced by phone_call().
| #define DEFAULT_GAIN 0x100 |
Definition at line 82 of file chan_phone.c.
Referenced by load_module(), and parse_gain_value().
| #define IXJ_PHONE_RING_START | ( | x | ) | ioctl(p->fd, PHONE_RING_START, &x); |
Definition at line 77 of file chan_phone.c.
Referenced by phone_call().
| #define MODE_DIALTONE 1 |
Definition at line 118 of file chan_phone.c.
Referenced by load_module(), and phone_check_exception().
| #define MODE_FXO 3 |
Definition at line 120 of file chan_phone.c.
Referenced by load_module(), mkif(), phone_answer(), phone_exception(), and phone_hangup().
| #define MODE_FXS 4 |
Definition at line 121 of file chan_phone.c.
Referenced by load_module(), mkif(), phone_call(), phone_check_exception(), phone_new(), phone_read(), phone_request(), phone_setup(), and phone_write().
| #define MODE_IMMEDIATE 2 |
Definition at line 119 of file chan_phone.c.
Referenced by load_module(), and phone_check_exception().
| #define MODE_SIGMA 5 |
Definition at line 122 of file chan_phone.c.
Referenced by do_monitor(), load_module(), and phone_check_exception().
| #define PHONE_MAX_BUF 480 |
Definition at line 81 of file chan_phone.c.
Referenced by phone_read().
| #define QNDRV_VER 100 |
Definition at line 67 of file chan_phone.c.
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 1473 of file chan_phone.c.
| static int __unload_module | ( | void | ) | [static] |
Definition at line 1296 of file chan_phone.c.
References ast_channel_unregister(), ast_free, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_PTHREADT_NULL, AST_PTHREADT_STOP, ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, phone_pvt::fd, iflist, iflock, LOG_WARNING, monlock, phone_pvt::next, and phone_pvt::owner.
Referenced by load_module(), and unload_module().
{
struct phone_pvt *p, *pl;
/* First, take us out of the channel loop */
if (cur_tech)
ast_channel_unregister(cur_tech);
if (!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);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&monlock)) {
if (monitor_thread > AST_PTHREADT_NULL) {
monitor = 0;
while (pthread_kill(monitor_thread, SIGURG) == 0)
sched_yield();
pthread_join(monitor_thread, NULL);
}
monitor_thread = AST_PTHREADT_STOP;
ast_mutex_unlock(&monlock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
if (!ast_mutex_lock(&iflock)) {
/* Destroy all the interfaces and free their memory */
p = iflist;
while(p) {
/* Close the socket, assuming it's real */
if (p->fd > -1)
close(p->fd);
pl = p;
p = p->next;
/* Free associated memory */
ast_free(pl);
}
iflist = NULL;
ast_mutex_unlock(&iflock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
return 0;
}
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 1473 of file chan_phone.c.
| static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 1012 of file chan_phone.c.
References ast_debug, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_poll, ast_poll2(), ast_realloc, ast_tv(), ast_tvzero(), DialTone, phone_pvt::dialtone, errno, phone_pvt::fd, iflist, iflock, LOG_ERROR, LOG_WARNING, phone_pvt::mode, MODE_SIGMA, phone_pvt::next, phone_pvt::owner, phone_check_exception(), and phone_mini_packet().
Referenced by restart_monitor().
{
struct pollfd *fds = NULL;
int nfds = 0, inuse_fds = 0, res;
struct phone_pvt *i;
int tonepos = 0;
/* The tone we're playing this round */
struct timeval tv = { 0, 0 };
int dotone;
/* This thread monitors all the frame relay interfaces which are not yet in use
(and thus do not have a separate thread) indefinitely */
while (monitor) {
/* Don't let anybody kill us right away. Nobody should lock the interface list
and wait for the monitor list, but the other way around is okay. */
/* Lock the interface list */
if (ast_mutex_lock(&iflock)) {
ast_log(LOG_ERROR, "Unable to grab interface lock\n");
return NULL;
}
/* Build the stuff we're going to select on, that is the socket of every
phone_pvt that does not have an associated owner channel */
i = iflist;
dotone = 0;
inuse_fds = 0;
for (i = iflist; i; i = i->next) {
if (!i->owner) {
/* This needs to be watched, as it lacks an owner */
if (inuse_fds == nfds) {
void *tmp = ast_realloc(fds, (nfds + 1) * sizeof(*fds));
if (!tmp) {
/* Avoid leaking */
continue;
}
fds = tmp;
nfds++;
}
fds[inuse_fds].fd = i->fd;
fds[inuse_fds].events = POLLIN | POLLERR;
fds[inuse_fds].revents = 0;
inuse_fds++;
if (i->dialtone && i->mode != MODE_SIGMA) {
/* Remember we're going to have to come back and play
more dialtones */
if (ast_tvzero(tv)) {
/* If we're due for a dialtone, play one */
if (write(i->fd, DialTone + tonepos, 240) != 240) {
ast_log(LOG_WARNING, "Dial tone write error\n");
}
}
dotone++;
}
}
}
/* Okay, now that we know what to do, release the interface lock */
ast_mutex_unlock(&iflock);
/* Wait indefinitely for something to happen */
if (dotone && i && i->mode != MODE_SIGMA) {
/* If we're ready to recycle the time, set it to 30 ms */
tonepos += 240;
if (tonepos >= sizeof(DialTone)) {
tonepos = 0;
}
if (ast_tvzero(tv)) {
tv = ast_tv(0, 30000);
}
res = ast_poll2(fds, inuse_fds, &tv);
} else {
res = ast_poll(fds, inuse_fds, -1);
tv = ast_tv(0, 0);
tonepos = 0;
}
/* Okay, select has finished. Let's see what happened. */
if (res < 0) {
ast_debug(1, "poll returned %d: %s\n", res, strerror(errno));
continue;
}
/* If there are no fd's changed, just continue, it's probably time
to play some more dialtones */
if (!res) {
continue;
}
/* Alright, lock the interface list again, and let's look and see what has
happened */
if (ast_mutex_lock(&iflock)) {
ast_log(LOG_WARNING, "Unable to lock the interface list\n");
continue;
}
for (i = iflist; i; i = i->next) {
int j;
/* Find the record */
for (j = 0; j < inuse_fds; j++) {
if (fds[j].fd == i->fd) {
break;
}
}
/* Not found? */
if (j == inuse_fds) {
continue;
}
if (fds[j].revents & POLLIN) {
if (i->owner) {
continue;
}
phone_mini_packet(i);
}
if (fds[j].revents & POLLERR) {
if (i->owner) {
continue;
}
phone_check_exception(i);
}
}
ast_mutex_unlock(&iflock);
}
return NULL;
}
| static int load_module | ( | void | ) | [static] |
Definition at line 1357 of file chan_phone.c.
References __unload_module(), ast_callerid_split(), ast_channel_register(), ast_config_destroy(), ast_config_load, ast_copy_string(), AST_FORMAT_G723_1, AST_FORMAT_G729A, AST_FORMAT_SLINEAR, AST_FORMAT_ULAW, ast_log(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_mutex_lock(), ast_mutex_unlock(), ast_true(), ast_variable_browse(), ast_channel_tech::capabilities, CONFIG_STATUS_FILEINVALID, DEFAULT_GAIN, iflist, iflock, LOG_ERROR, LOG_WARNING, mkif(), phone_pvt::mode, MODE_DIALTONE, MODE_FXO, MODE_FXS, MODE_IMMEDIATE, MODE_SIGMA, ast_variable::name, ast_variable::next, phone_pvt::next, parse_gain_value(), phone_tech_fxs, prefformat, restart_monitor(), phone_pvt::rxgain, phone_pvt::txgain, and ast_variable::value.
{
struct ast_config *cfg;
struct ast_variable *v;
struct phone_pvt *tmp;
int mode = MODE_IMMEDIATE;
int txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN; /* default gain 1.0 */
struct ast_flags config_flags = { 0 };
if ((cfg = ast_config_load(config, config_flags)) == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config);
return AST_MODULE_LOAD_DECLINE;
}
/* We *must* have a config file otherwise stop immediately */
if (!cfg) {
ast_log(LOG_ERROR, "Unable to load config %s\n", config);
return AST_MODULE_LOAD_DECLINE;
}
if (ast_mutex_lock(&iflock)) {
/* It's a little silly to lock it, but we mind as well just to be sure */
ast_log(LOG_ERROR, "Unable to lock interface list???\n");
return AST_MODULE_LOAD_FAILURE;
}
v = ast_variable_browse(cfg, "interfaces");
while(v) {
/* Create the interface list */
if (!strcasecmp(v->name, "device")) {
tmp = mkif(v->value, mode, txgain, rxgain);
if (tmp) {
tmp->next = iflist;
iflist = tmp;
} else {
ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
ast_config_destroy(cfg);
ast_mutex_unlock(&iflock);
__unload_module();
return AST_MODULE_LOAD_FAILURE;
}
} else if (!strcasecmp(v->name, "silencesupression")) {
silencesupression = ast_true(v->value);
} else if (!strcasecmp(v->name, "language")) {
ast_copy_string(language, v->value, sizeof(language));
} else if (!strcasecmp(v->name, "callerid")) {
ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
} else if (!strcasecmp(v->name, "mode")) {
if (!strncasecmp(v->value, "di", 2))
mode = MODE_DIALTONE;
else if (!strncasecmp(v->value, "sig", 3))
mode = MODE_SIGMA;
else if (!strncasecmp(v->value, "im", 2))
mode = MODE_IMMEDIATE;
else if (!strncasecmp(v->value, "fxs", 3)) {
mode = MODE_FXS;
prefformat = 0x01ff0000; /* All non-voice */
}
else if (!strncasecmp(v->value, "fx", 2))
mode = MODE_FXO;
else
ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
} else if (!strcasecmp(v->name, "context")) {
ast_copy_string(context, v->value, sizeof(context));
} else if (!strcasecmp(v->name, "format")) {
if (!strcasecmp(v->value, "g729")) {
prefformat = AST_FORMAT_G729A;
} else if (!strcasecmp(v->value, "g723.1")) {
prefformat = AST_FORMAT_G723_1;
} else if (!strcasecmp(v->value, "slinear")) {
if (mode == MODE_FXS)
prefformat |= AST_FORMAT_SLINEAR;
else prefformat = AST_FORMAT_SLINEAR;
} else if (!strcasecmp(v->value, "ulaw")) {
prefformat = AST_FORMAT_ULAW;
} else
ast_log(LOG_WARNING, "Unknown format '%s'\n", v->value);
} else if (!strcasecmp(v->name, "echocancel")) {
if (!strcasecmp(v->value, "off")) {
echocancel = AEC_OFF;
} else if (!strcasecmp(v->value, "low")) {
echocancel = AEC_LOW;
} else if (!strcasecmp(v->value, "medium")) {
echocancel = AEC_MED;
} else if (!strcasecmp(v->value, "high")) {
echocancel = AEC_HIGH;
} else
ast_log(LOG_WARNING, "Unknown echo cancellation '%s'\n", v->value);
} else if (!strcasecmp(v->name, "txgain")) {
txgain = parse_gain_value(v->name, v->value);
} else if (!strcasecmp(v->name, "rxgain")) {
rxgain = parse_gain_value(v->name, v->value);
}
v = v->next;
}
ast_mutex_unlock(&iflock);
if (mode == MODE_FXS) {
phone_tech_fxs.capabilities = prefformat;
cur_tech = &phone_tech_fxs;
} else
cur_tech = (struct ast_channel_tech *) &phone_tech;
/* Make sure we can register our Adtranphone channel type */
if (ast_channel_register(cur_tech)) {
ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
ast_config_destroy(cfg);
__unload_module();
return AST_MODULE_LOAD_FAILURE;
}
ast_config_destroy(cfg);
/* And start the monitor for the first time */
restart_monitor();
return AST_MODULE_LOAD_SUCCESS;
}
| static struct phone_pvt* mkif | ( | const char * | iface, |
| int | mode, | ||
| int | txgain, | ||
| int | rxgain | ||
| ) | [static, read] |
Definition at line 1171 of file chan_phone.c.
References ast_calloc, ast_copy_string(), ast_debug, ast_free, ast_log(), phone_pvt::cid_name, phone_pvt::cid_num, phone_pvt::context, phone_pvt::cpt, phone_pvt::dev, phone_pvt::dialtone, errno, phone_pvt::ext, phone_pvt::fd, phone_pvt::language, phone_pvt::lastformat, phone_pvt::lastinput, LOG_WARNING, phone_pvt::ministate, phone_pvt::mode, MODE_FXO, MODE_FXS, phone_pvt::next, phone_pvt::obuflen, phone_pvt::owner, phone_pvt::rxgain, phone_pvt::silencesupression, and phone_pvt::txgain.
Referenced by load_module().
{
/* Make a phone_pvt structure for this interface */
struct phone_pvt *tmp;
int flags;
tmp = ast_calloc(1, sizeof(*tmp));
if (tmp) {
tmp->fd = open(iface, O_RDWR);
if (tmp->fd < 0) {
ast_log(LOG_WARNING, "Unable to open '%s'\n", iface);
ast_free(tmp);
return NULL;
}
if (mode == MODE_FXO) {
if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN)) {
ast_debug(1, "Unable to set port to PSTN\n");
}
} else {
if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS))
if (mode != MODE_FXS)
ast_debug(1, "Unable to set port to POTS\n");
}
ioctl(tmp->fd, PHONE_PLAY_STOP);
ioctl(tmp->fd, PHONE_REC_STOP);
ioctl(tmp->fd, PHONE_RING_STOP);
ioctl(tmp->fd, PHONE_CPT_STOP);
if (ioctl(tmp->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",iface, strerror(errno));
if (echocancel != AEC_OFF)
ioctl(tmp->fd, IXJCTL_AEC_START, echocancel);
if (silencesupression)
tmp->silencesupression = 1;
#ifdef PHONE_VAD
ioctl(tmp->fd, PHONE_VAD, tmp->silencesupression);
#endif
tmp->mode = mode;
flags = fcntl(tmp->fd, F_GETFL);
fcntl(tmp->fd, F_SETFL, flags | O_NONBLOCK);
tmp->owner = NULL;
tmp->lastformat = -1;
tmp->lastinput = -1;
tmp->ministate = 0;
memset(tmp->ext, 0, sizeof(tmp->ext));
ast_copy_string(tmp->language, language, sizeof(tmp->language));
ast_copy_string(tmp->dev, iface, sizeof(tmp->dev));
ast_copy_string(tmp->context, context, sizeof(tmp->context));
tmp->next = NULL;
tmp->obuflen = 0;
tmp->dialtone = 0;
tmp->cpt = 0;
ast_copy_string(tmp->cid_num, cid_num, sizeof(tmp->cid_num));
ast_copy_string(tmp->cid_name, cid_name, sizeof(tmp->cid_name));
tmp->txgain = txgain;
ioctl(tmp->fd, PHONE_PLAY_VOLUME, tmp->txgain);
tmp->rxgain = rxgain;
ioctl(tmp->fd, PHONE_REC_VOLUME, tmp->rxgain);
}
return tmp;
}
| static int parse_gain_value | ( | const char * | gain_type, |
| const char * | value | ||
| ) | [static] |
Definition at line 1274 of file chan_phone.c.
References ast_log(), DEFAULT_GAIN, and LOG_ERROR.
Referenced by load_module().
{
float gain;
/* try to scan number */
if (sscanf(value, "%30f", &gain) != 1)
{
ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n",
value, gain_type, config);
return DEFAULT_GAIN;
}
/* multiplicate gain by 1.0 gain value */
gain = gain * (float)DEFAULT_GAIN;
/* percentage? */
if (value[strlen(value) - 1] == '%')
return (int)(gain / (float)100);
return (int)gain;
}
| static int phone_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 455 of file chan_phone.c.
References ast_debug, ast_setstate(), AST_STATE_UP, errno, phone_pvt::fd, phone_pvt::mode, MODE_FXO, ast_channel::name, phone_setup(), ast_channel::rings, and ast_channel::tech_pvt.
{
struct phone_pvt *p;
p = ast->tech_pvt;
/* In case it's a LineJack, take it off hook */
if (p->mode == MODE_FXO) {
if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_OFF_HOOK))
ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno));
else
ast_debug(1, "Took linejack off hook\n");
}
phone_setup(ast);
ast_debug(1, "phone_answer(%s)\n", ast->name);
ast->rings = 0;
ast_setstate(ast, AST_STATE_UP);
return 0;
}
| static int phone_call | ( | struct ast_channel * | ast, |
| char * | dest, | ||
| int | timeout | ||
| ) | [static] |
Definition at line 287 of file chan_phone.c.
References ast_channel::_state, AST_CONTROL_RINGING, ast_copy_string(), ast_debug, ast_localtime(), ast_log(), ast_queue_control(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RINGING, ast_strlen_zero(), ast_tvnow(), ast_channel::cid, ast_callerid::cid_name, ast_callerid::cid_num, DEFAULT_CALLER_ID, ast_channel::fds, IXJ_PHONE_RING_START, LOG_WARNING, phone_pvt::mode, MODE_FXS, ast_channel::name, phone_digit_end(), ast_channel::tech_pvt, ast_tm::tm_hour, ast_tm::tm_mday, ast_tm::tm_min, and ast_tm::tm_mon.
{
struct phone_pvt *p;
PHONE_CID cid;
struct timeval UtcTime = ast_tvnow();
struct ast_tm tm;
int start;
ast_localtime(&UtcTime, &tm, NULL);
memset(&cid, 0, sizeof(PHONE_CID));
if(&tm != NULL) {
snprintf(cid.month, sizeof(cid.month), "%02d",(tm.tm_mon + 1));
snprintf(cid.day, sizeof(cid.day), "%02d", tm.tm_mday);
snprintf(cid.hour, sizeof(cid.hour), "%02d", tm.tm_hour);
snprintf(cid.min, sizeof(cid.min), "%02d", tm.tm_min);
}
/* the standard format of ast->callerid is: "name" <number>, but not always complete */
if (ast_strlen_zero(ast->cid.cid_name))
strcpy(cid.name, DEFAULT_CALLER_ID);
else
ast_copy_string(cid.name, ast->cid.cid_name, sizeof(cid.name));
if (ast->cid.cid_num)
ast_copy_string(cid.number, ast->cid.cid_num, sizeof(cid.number));
p = ast->tech_pvt;
if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
ast_log(LOG_WARNING, "phone_call called on %s, neither down nor reserved\n", ast->name);
return -1;
}
ast_debug(1, "Ringing %s on %s (%d)\n", dest, ast->name, ast->fds[0]);
start = IXJ_PHONE_RING_START(cid);
if (start == -1)
return -1;
if (p->mode == MODE_FXS) {
char *digit = strchr(dest, '/');
if (digit)
{
digit++;
while (*digit)
phone_digit_end(ast, *digit++, 0);
}
}
ast_setstate(ast, AST_STATE_RINGING);
ast_queue_control(ast, AST_CONTROL_RINGING);
return 0;
}
| static void phone_check_exception | ( | struct phone_pvt * | i | ) | [static] |
Definition at line 919 of file chan_phone.c.
References ast_canmatch_extension(), ast_debug, ast_exists_extension(), AST_MAX_EXTENSION, ast_module_ref(), ast_module_unref(), AST_STATE_RING, ast_verbose(), phone_pvt::cid_num, phone_pvt::context, phone_pvt::cpt, phone_pvt::dialtone, phone_pvt::ext, phone_pvt::fd, phone_pvt::lastformat, phone_pvt::mode, MODE_DIALTONE, MODE_FXS, MODE_IMMEDIATE, MODE_SIGMA, phone_new(), and ast_module_info::self.
Referenced by do_monitor().
{
int offhook=0;
char digit[2] = {0 , 0};
union telephony_exception phonee;
/* XXX Do something XXX */
#if 0
ast_debug(1, "Exception!\n");
#endif
phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION);
if (phonee.bits.dtmf_ready) {
digit[0] = ioctl(i->fd, PHONE_GET_DTMF_ASCII);
if (i->mode == MODE_DIALTONE || i->mode == MODE_FXS || i->mode == MODE_SIGMA) {
ioctl(i->fd, PHONE_PLAY_STOP);
ioctl(i->fd, PHONE_REC_STOP);
ioctl(i->fd, PHONE_CPT_STOP);
i->dialtone = 0;
if (strlen(i->ext) < AST_MAX_EXTENSION - 1)
strncat(i->ext, digit, sizeof(i->ext) - strlen(i->ext) - 1);
if ((i->mode != MODE_FXS ||
!(phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION)) ||
!phonee.bits.dtmf_ready) &&
ast_exists_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
/* It's a valid extension in its context, get moving! */
phone_new(i, AST_STATE_RING, i->context);
/* No need to restart monitor, we are the monitor */
} else if (!ast_canmatch_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
/* There is nothing in the specified extension that can match anymore.
Try the default */
if (ast_exists_extension(NULL, "default", i->ext, 1, i->cid_num)) {
/* Check the default, too... */
phone_new(i, AST_STATE_RING, "default");
/* XXX This should probably be justified better XXX */
} else if (!ast_canmatch_extension(NULL, "default", i->ext, 1, i->cid_num)) {
/* It's not a valid extension, give a busy signal */
ast_debug(1, "%s can't match anything in %s or default\n", i->ext, i->context);
ioctl(i->fd, PHONE_BUSY);
i->cpt = 1;
}
}
#if 0
ast_verbose("Extension is %s\n", i->ext);
#endif
}
}
if (phonee.bits.hookstate) {
offhook = ioctl(i->fd, PHONE_HOOKSTATE);
if (offhook) {
if (i->mode == MODE_IMMEDIATE) {
phone_new(i, AST_STATE_RING, i->context);
} else if (i->mode == MODE_DIALTONE) {
ast_module_ref(ast_module_info->self);
/* Reset the extension */
i->ext[0] = '\0';
/* Play the dialtone */
i->dialtone++;
ioctl(i->fd, PHONE_PLAY_STOP);
ioctl(i->fd, PHONE_PLAY_CODEC, ULAW);
ioctl(i->fd, PHONE_PLAY_START);
i->lastformat = -1;
} else if (i->mode == MODE_SIGMA) {
ast_module_ref(ast_module_info->self);
/* Reset the extension */
i->ext[0] = '\0';
/* Play the dialtone */
i->dialtone++;
ioctl(i->fd, PHONE_DIALTONE);
}
} else {
if (i->dialtone)
ast_module_unref(ast_module_info->self);
memset(i->ext, 0, sizeof(i->ext));
if (i->cpt)
{
ioctl(i->fd, PHONE_CPT_STOP);
i->cpt = 0;
}
ioctl(i->fd, PHONE_PLAY_STOP);
ioctl(i->fd, PHONE_REC_STOP);
i->dialtone = 0;
i->lastformat = -1;
}
}
if (phonee.bits.pstn_ring) {
ast_verbose("Unit is ringing\n");
phone_new(i, AST_STATE_RING, i->context);
}
if (phonee.bits.caller_id)
ast_verbose("We have caller ID\n");
}
| static int phone_digit_begin | ( | struct ast_channel * | ast, |
| char | digit | ||
| ) | [static] |
Definition at line 239 of file chan_phone.c.
{
/* XXX Modify this callback to let Asterisk support controlling the length of DTMF */
return 0;
}
| static int phone_digit_end | ( | struct ast_channel * | ast, |
| char | digit, | ||
| unsigned int | duration | ||
| ) | [static] |
Definition at line 245 of file chan_phone.c.
References ast_debug, ast_log(), phone_pvt::fd, phone_pvt::lastformat, LOG_WARNING, and ast_channel::tech_pvt.
Referenced by phone_call().
{
struct phone_pvt *p;
int outdigit;
p = ast->tech_pvt;
ast_debug(1, "Dialed %c\n", digit);
switch(digit) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
outdigit = digit - '0';
break;
case '*':
outdigit = 11;
break;
case '#':
outdigit = 12;
break;
case 'f': /*flash*/
case 'F':
ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
usleep(320000);
ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
p->lastformat = -1;
return 0;
default:
ast_log(LOG_WARNING, "Unknown digit '%c'\n", digit);
return -1;
}
ast_debug(1, "Dialed %d\n", outdigit);
ioctl(p->fd, PHONE_PLAY_TONE, outdigit);
p->lastformat = -1;
return 0;
}
| static struct ast_frame * phone_exception | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 487 of file chan_phone.c.
References ast_channel::_state, AST_CONTROL_ANSWER, ast_debug, AST_FRAME_CONTROL, AST_FRAME_DTMF, AST_FRAME_NULL, ast_log(), ast_setstate(), AST_STATE_RINGING, AST_STATE_UP, ast_tv(), ast_verbose(), ast_frame::data, ast_frame::datalen, ast_frame::delivery, phone_pvt::fd, phone_pvt::fr, ast_frame::frametype, LOG_WARNING, ast_frame::mallocd, phone_pvt::mode, MODE_FXO, ast_frame::offset, phone_setup(), ast_frame::ptr, ast_frame::samples, ast_frame::src, ast_frame::subclass, and ast_channel::tech_pvt.
{
int res;
union telephony_exception phonee;
struct phone_pvt *p = ast->tech_pvt;
char digit;
/* Some nice norms */
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.data.ptr = NULL;
p->fr.src = "Phone";
p->fr.offset = 0;
p->fr.mallocd=0;
p->fr.delivery = ast_tv(0,0);
phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION);
if (phonee.bits.dtmf_ready) {
ast_debug(1, "phone_exception(): DTMF\n");
/* We've got a digit -- Just handle this nicely and easily */
digit = ioctl(p->fd, PHONE_GET_DTMF_ASCII);
p->fr.subclass = digit;
p->fr.frametype = AST_FRAME_DTMF;
return &p->fr;
}
if (phonee.bits.hookstate) {
ast_debug(1, "Hookstate changed\n");
res = ioctl(p->fd, PHONE_HOOKSTATE);
/* See if we've gone on hook, if so, notify by returning NULL */
ast_debug(1, "New hookstate: %d\n", res);
if (!res && (p->mode != MODE_FXO))
return NULL;
else {
if (ast->_state == AST_STATE_RINGING) {
/* They've picked up the phone */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_ANSWER;
phone_setup(ast);
ast_setstate(ast, AST_STATE_UP);
return &p->fr;
} else
ast_log(LOG_WARNING, "Got off hook in weird state %d\n", ast->_state);
}
}
#if 1
if (phonee.bits.pstn_ring)
ast_verbose("Unit is ringing\n");
if (phonee.bits.caller_id) {
ast_verbose("We have caller ID\n");
}
if (phonee.bits.pstn_wink)
ast_verbose("Detected Wink\n");
#endif
/* Strange -- nothing there.. */
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
return &p->fr;
}
| static int phone_fixup | ( | struct ast_channel * | old, |
| struct ast_channel * | new | ||
| ) | [static] |
Definition at line 231 of file chan_phone.c.
References phone_pvt::owner, and ast_channel::tech_pvt.
| static int phone_hangup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 341 of file chan_phone.c.
References ast_debug, ast_log(), ast_module_unref(), ast_setstate(), AST_STATE_DOWN, ast_verb, phone_pvt::cpt, phone_pvt::dialtone, errno, phone_pvt::ext, phone_pvt::fd, phone_pvt::lastformat, phone_pvt::lastinput, LOG_WARNING, phone_pvt::ministate, phone_pvt::mode, MODE_FXO, ast_channel::name, phone_pvt::obuflen, phone_pvt::owner, restart_monitor(), ast_module_info::self, and ast_channel::tech_pvt.
{
struct phone_pvt *p;
p = ast->tech_pvt;
ast_debug(1, "phone_hangup(%s)\n", ast->name);
if (!ast->tech_pvt) {
ast_log(LOG_WARNING, "Asked to hangup channel not connected\n");
return 0;
}
/* XXX Is there anything we can do to really hang up except stop recording? */
ast_setstate(ast, AST_STATE_DOWN);
if (ioctl(p->fd, PHONE_REC_STOP))
ast_log(LOG_WARNING, "Failed to stop recording\n");
if (ioctl(p->fd, PHONE_PLAY_STOP))
ast_log(LOG_WARNING, "Failed to stop playing\n");
if (ioctl(p->fd, PHONE_RING_STOP))
ast_log(LOG_WARNING, "Failed to stop ringing\n");
if (ioctl(p->fd, PHONE_CPT_STOP))
ast_log(LOG_WARNING, "Failed to stop sounds\n");
/* If it's an FXO, hang them up */
if (p->mode == MODE_FXO) {
if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",ast->name, strerror(errno));
}
/* If they're off hook, give a busy signal */
if (ioctl(p->fd, PHONE_HOOKSTATE)) {
ast_debug(1, "Got hunghup, giving busy signal\n");
ioctl(p->fd, PHONE_BUSY);
p->cpt = 1;
}
p->lastformat = -1;
p->lastinput = -1;
p->ministate = 0;
p->obuflen = 0;
p->dialtone = 0;
memset(p->ext, 0, sizeof(p->ext));
((struct phone_pvt *)(ast->tech_pvt))->owner = NULL;
ast_module_unref(ast_module_info->self);
ast_verb(3, "Hungup '%s'\n", ast->name);
ast->tech_pvt = NULL;
ast_setstate(ast, AST_STATE_DOWN);
restart_monitor();
return 0;
}
| static int phone_indicate | ( | struct ast_channel * | chan, |
| int | condition, | ||
| const void * | data, | ||
| size_t | datalen | ||
| ) | [static] |
Definition at line 203 of file chan_phone.c.
References AST_CONTROL_FLASH, AST_CONTROL_HOLD, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, ast_debug, ast_log(), ast_moh_start(), ast_moh_stop(), phone_pvt::fd, phone_pvt::lastformat, LOG_WARNING, ast_channel::name, and ast_channel::tech_pvt.
{
struct phone_pvt *p = chan->tech_pvt;
int res=-1;
ast_debug(1, "Requested indication %d on channel %s\n", condition, chan->name);
switch(condition) {
case AST_CONTROL_FLASH:
ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
usleep(320000);
ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
p->lastformat = -1;
res = 0;
break;
case AST_CONTROL_HOLD:
ast_moh_start(chan, data, NULL);
break;
case AST_CONTROL_UNHOLD:
ast_moh_stop(chan);
break;
case AST_CONTROL_SRCUPDATE:
res = 0;
break;
default:
ast_log(LOG_WARNING, "Condition %d is not supported on channel %s\n", condition, chan->name);
}
return res;
}
| static void phone_mini_packet | ( | struct phone_pvt * | i | ) | [static] |
Definition at line 907 of file chan_phone.c.
References ast_log(), buf, errno, phone_pvt::fd, and LOG_WARNING.
Referenced by do_monitor().
{
int res;
char buf[1024];
/* Ignore stuff we read... */
res = read(i->fd, buf, sizeof(buf));
if (res < 1) {
ast_log(LOG_WARNING, "Read returned %d: %s\n", res, strerror(errno));
return;
}
}
| static struct ast_channel* phone_new | ( | struct phone_pvt * | i, |
| int | state, | ||
| char * | cntx | ||
| ) | [static, read] |
Definition at line 846 of file chan_phone.c.
References ast_channel_alloc(), ast_channel_set_fd(), ast_copy_string(), AST_FORMAT_SLINEAR, ast_hangup(), ast_log(), ast_module_ref(), ast_pbx_start(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_set, ast_strlen_zero(), phone_pvt::cid_name, phone_pvt::cid_num, phone_pvt::context, phone_pvt::cpt, cur_tech, phone_pvt::dev, phone_pvt::ext, phone_pvt::fd, phone_pvt::language, LOG_WARNING, phone_pvt::mode, MODE_FXS, phone_pvt::owner, prefformat, and ast_module_info::self.
Referenced by phone_check_exception(), and phone_request().
{
struct ast_channel *tmp;
struct phone_codec_data queried_codec;
tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", i->ext, i->context, 0, "Phone/%s", i->dev + 5);
if (tmp) {
tmp->tech = cur_tech;
ast_channel_set_fd(tmp, 0, i->fd);
/* XXX Switching formats silently causes kernel panics XXX */
if (i->mode == MODE_FXS &&
ioctl(i->fd, PHONE_QUERY_CODEC, &queried_codec) == 0) {
if (queried_codec.type == LINEAR16)
tmp->nativeformats =
tmp->rawreadformat =
tmp->rawwriteformat =
AST_FORMAT_SLINEAR;
else {
tmp->nativeformats =
tmp->rawreadformat =
tmp->rawwriteformat =
prefformat & ~AST_FORMAT_SLINEAR;
}
}
else {
tmp->nativeformats = prefformat;
tmp->rawreadformat = prefformat;
tmp->rawwriteformat = prefformat;
}
/* no need to call ast_setstate: the channel_alloc already did its job */
if (state == AST_STATE_RING)
tmp->rings = 1;
tmp->tech_pvt = i;
ast_copy_string(tmp->context, cntx, sizeof(tmp->context));
if (!ast_strlen_zero(i->ext))
ast_copy_string(tmp->exten, i->ext, sizeof(tmp->exten));
else
strcpy(tmp->exten, "s");
if (!ast_strlen_zero(i->language))
ast_string_field_set(tmp, language, i->language);
/* Don't use ast_set_callerid() here because it will
* generate a NewCallerID event before the NewChannel event */
tmp->cid.cid_ani = ast_strdup(i->cid_num);
i->owner = tmp;
ast_module_ref(ast_module_info->self);
if (state != AST_STATE_DOWN) {
if (state == AST_STATE_RING) {
ioctl(tmp->fds[0], PHONE_RINGBACK);
i->cpt = 1;
}
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_frame * phone_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 547 of file chan_phone.c.
References ast_clear_flag, AST_FLAG_BLOCKING, AST_FORMAT_AUDIO_MASK, AST_FORMAT_PNG, AST_FORMAT_SLINEAR, ast_frame_byteswap_le, AST_FRAME_IMAGE, AST_FRAME_NULL, AST_FRAME_VIDEO, AST_FRAME_VOICE, AST_FRIENDLY_OFFSET, ast_log(), ast_tv(), phone_pvt::buf, CHECK_BLOCKING, ast_frame::data, ast_frame::datalen, ast_frame::delivery, errno, phone_pvt::fd, phone_pvt::fr, ast_frame::frametype, phone_pvt::lastinput, LOG_WARNING, ast_frame::mallocd, phone_pvt::mode, MODE_FXS, ast_frame::offset, PHONE_MAX_BUF, ast_frame::ptr, ast_frame::samples, ast_frame::src, ast_frame::subclass, and ast_channel::tech_pvt.
{
int res;
struct phone_pvt *p = ast->tech_pvt;
/* Some nice norms */
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.data.ptr = NULL;
p->fr.src = "Phone";
p->fr.offset = 0;
p->fr.mallocd=0;
p->fr.delivery = ast_tv(0,0);
/* Try to read some data... */
CHECK_BLOCKING(ast);
res = read(p->fd, p->buf, PHONE_MAX_BUF);
ast_clear_flag(ast, AST_FLAG_BLOCKING);
if (res < 0) {
#if 0
if (errno == EAGAIN) {
ast_log(LOG_WARNING, "Null frame received\n");
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
return &p->fr;
}
#endif
ast_log(LOG_WARNING, "Error reading: %s\n", strerror(errno));
return NULL;
}
p->fr.data.ptr = p->buf;
if (p->mode != MODE_FXS)
switch(p->buf[0] & 0x3) {
case '0':
case '1':
/* Normal */
break;
case '2':
case '3':
/* VAD/CNG, only send two words */
res = 4;
break;
}
p->fr.samples = 240;
p->fr.datalen = res;
p->fr.frametype = p->lastinput <= AST_FORMAT_AUDIO_MASK ?
AST_FRAME_VOICE :
p->lastinput <= AST_FORMAT_PNG ? AST_FRAME_IMAGE
: AST_FRAME_VIDEO;
p->fr.subclass = p->lastinput;
p->fr.offset = AST_FRIENDLY_OFFSET;
/* Byteswap from little-endian to native-endian */
if (p->fr.subclass == AST_FORMAT_SLINEAR)
ast_frame_byteswap_le(&p->fr);
return &p->fr;
}
| static struct ast_channel * phone_request | ( | const char * | type, |
| int | format, | ||
| void * | data, | ||
| int * | cause | ||
| ) | [static, read] |
Definition at line 1232 of file chan_phone.c.
References AST_CAUSE_BUSY, AST_FORMAT_G723_1, AST_FORMAT_G729A, AST_FORMAT_SLINEAR, AST_FORMAT_ULAW, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_STATE_DOWN, phone_pvt::context, ast_channel::data, phone_pvt::dev, format, iflist, iflock, LOG_ERROR, LOG_NOTICE, phone_pvt::mode, MODE_FXS, name, phone_pvt::next, phone_pvt::owner, phone_new(), and restart_monitor().
{
int oldformat;
struct phone_pvt *p;
struct ast_channel *tmp = NULL;
char *name = data;
/* Search for an unowned channel */
if (ast_mutex_lock(&iflock)) {
ast_log(LOG_ERROR, "Unable to lock interface list???\n");
return NULL;
}
p = iflist;
while(p) {
if (p->mode == MODE_FXS ||
format & (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) {
size_t length = strlen(p->dev + 5);
if (strncmp(name, p->dev + 5, length) == 0 &&
!isalnum(name[length])) {
if (!p->owner) {
tmp = phone_new(p, AST_STATE_DOWN, p->context);
break;
} else
*cause = AST_CAUSE_BUSY;
}
}
p = p->next;
}
ast_mutex_unlock(&iflock);
restart_monitor();
if (tmp == NULL) {
oldformat = format;
format &= (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW);
if (!format) {
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
return NULL;
}
}
return tmp;
}
| static int phone_send_text | ( | struct ast_channel * | ast, |
| const char * | text | ||
| ) | [static] |
Definition at line 639 of file chan_phone.c.
References phone_write_buf(), and ast_channel::tech_pvt.
{
int length = strlen(text);
return phone_write_buf(ast->tech_pvt, text, length, length, 0) ==
length ? 0 : -1;
}
| static int phone_setup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 388 of file chan_phone.c.
References AST_FORMAT_G723_1, AST_FORMAT_G729A, AST_FORMAT_SLINEAR, AST_FORMAT_ULAW, ast_getformatname(), ast_log(), phone_pvt::fd, phone_pvt::lastinput, LOG_WARNING, phone_pvt::mode, MODE_FXS, ast_channel::rawreadformat, and ast_channel::tech_pvt.
Referenced by phone_answer(), phone_exception(), and phone_write().
{
struct phone_pvt *p;
p = ast->tech_pvt;
ioctl(p->fd, PHONE_CPT_STOP);
/* Nothing to answering really, just start recording */
if (ast->rawreadformat == AST_FORMAT_G729A) {
/* Prefer g729 */
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_G729A) {
p->lastinput = AST_FORMAT_G729A;
if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
ast_log(LOG_WARNING, "Failed to set codec to g729\n");
return -1;
}
}
} else if (ast->rawreadformat == AST_FORMAT_G723_1) {
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_G723_1) {
p->lastinput = AST_FORMAT_G723_1;
if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
ast_log(LOG_WARNING, "Failed to set codec to g723.1\n");
return -1;
}
}
} else if (ast->rawreadformat == AST_FORMAT_SLINEAR) {
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_SLINEAR) {
p->lastinput = AST_FORMAT_SLINEAR;
if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
ast_log(LOG_WARNING, "Failed to set codec to signed linear 16\n");
return -1;
}
}
} else if (ast->rawreadformat == AST_FORMAT_ULAW) {
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != AST_FORMAT_ULAW) {
p->lastinput = AST_FORMAT_ULAW;
if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
ast_log(LOG_WARNING, "Failed to set codec to uLaw\n");
return -1;
}
}
} else if (p->mode == MODE_FXS) {
ioctl(p->fd, PHONE_REC_STOP);
if (p->lastinput != ast->rawreadformat) {
p->lastinput = ast->rawreadformat;
if (ioctl(p->fd, PHONE_REC_CODEC, ast->rawreadformat)) {
ast_log(LOG_WARNING, "Failed to set codec to %d\n",
ast->rawreadformat);
return -1;
}
}
} else {
ast_log(LOG_WARNING, "Can't do format %s\n", ast_getformatname(ast->rawreadformat));
return -1;
}
if (ioctl(p->fd, PHONE_REC_START)) {
ast_log(LOG_WARNING, "Failed to start recording\n");
return -1;
}
/* set the DTMF times (the default is too short) */
ioctl(p->fd, PHONE_SET_TONE_ON_TIME, 300);
ioctl(p->fd, PHONE_SET_TONE_OFF_TIME, 200);
return 0;
}
| static int phone_write | ( | struct ast_channel * | ast, |
| struct ast_frame * | frame | ||
| ) | [static] |
Definition at line 646 of file chan_phone.c.
References ast_channel::_state, AST_FORMAT_G723_1, AST_FORMAT_G729A, AST_FORMAT_SLINEAR, AST_FORMAT_ULAW, AST_FRAME_IMAGE, AST_FRAME_VOICE, ast_log(), ast_setstate(), AST_STATE_UP, ast_frame::data, ast_frame::datalen, errno, phone_pvt::fd, ast_frame::frametype, phone_pvt::lastformat, phone_pvt::lastinput, LOG_WARNING, phone_pvt::mode, MODE_FXS, phone_pvt::obuflen, phone_setup(), phone_write_buf(), ast_frame::ptr, phone_pvt::silencesupression, ast_frame::subclass, and ast_channel::tech_pvt.
{
struct phone_pvt *p = ast->tech_pvt;
int res;
int maxfr=0;
char *pos;
int sofar;
int expected;
int codecset = 0;
char tmpbuf[4];
/* Write a frame of (presumably voice) data */
if (frame->frametype != AST_FRAME_VOICE && p->mode != MODE_FXS) {
if (frame->frametype != AST_FRAME_IMAGE)
ast_log(LOG_WARNING, "Don't know what to do with frame type '%d'\n", frame->frametype);
return 0;
}
if (!(frame->subclass &
(AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A)) &&
p->mode != MODE_FXS) {
ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass);
return -1;
}
#if 0
/* If we're not in up mode, go into up mode now */
if (ast->_state != AST_STATE_UP) {
ast_setstate(ast, AST_STATE_UP);
phone_setup(ast);
}
#else
if (ast->_state != AST_STATE_UP) {
/* Don't try tos end audio on-hook */
return 0;
}
#endif
if (frame->subclass == AST_FORMAT_G729A) {
if (p->lastformat != AST_FORMAT_G729A) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, G729)) {
ast_log(LOG_WARNING, "Unable to set G729 mode\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, G729)) {
ast_log(LOG_WARNING, "Unable to set G729 mode\n");
return -1;
}
p->lastformat = AST_FORMAT_G729A;
p->lastinput = AST_FORMAT_G729A;
/* Reset output buffer */
p->obuflen = 0;
codecset = 1;
}
if (frame->datalen > 80) {
ast_log(LOG_WARNING, "Frame size too large for G.729 (%d bytes)\n", frame->datalen);
return -1;
}
maxfr = 80;
} else if (frame->subclass == AST_FORMAT_G723_1) {
if (p->lastformat != AST_FORMAT_G723_1) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, G723_63)) {
ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
return -1;
}
p->lastformat = AST_FORMAT_G723_1;
p->lastinput = AST_FORMAT_G723_1;
/* Reset output buffer */
p->obuflen = 0;
codecset = 1;
}
if (frame->datalen > 24) {
ast_log(LOG_WARNING, "Frame size too large for G.723.1 (%d bytes)\n", frame->datalen);
return -1;
}
maxfr = 24;
} else if (frame->subclass == AST_FORMAT_SLINEAR) {
if (p->lastformat != AST_FORMAT_SLINEAR) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, LINEAR16)) {
ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
return -1;
}
p->lastformat = AST_FORMAT_SLINEAR;
p->lastinput = AST_FORMAT_SLINEAR;
codecset = 1;
/* Reset output buffer */
p->obuflen = 0;
}
maxfr = 480;
} else if (frame->subclass == AST_FORMAT_ULAW) {
if (p->lastformat != AST_FORMAT_ULAW) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, ULAW)) {
ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
return -1;
}
p->lastformat = AST_FORMAT_ULAW;
p->lastinput = AST_FORMAT_ULAW;
codecset = 1;
/* Reset output buffer */
p->obuflen = 0;
}
maxfr = 240;
} else {
if (p->lastformat != frame->subclass) {
ioctl(p->fd, PHONE_PLAY_STOP);
ioctl(p->fd, PHONE_REC_STOP);
if (ioctl(p->fd, PHONE_PLAY_CODEC, frame->subclass)) {
ast_log(LOG_WARNING, "Unable to set %d mode\n",
frame->subclass);
return -1;
}
if (ioctl(p->fd, PHONE_REC_CODEC, frame->subclass)) {
ast_log(LOG_WARNING, "Unable to set %d mode\n",
frame->subclass);
return -1;
}
p->lastformat = frame->subclass;
p->lastinput = frame->subclass;
codecset = 1;
/* Reset output buffer */
p->obuflen = 0;
}
maxfr = 480;
}
if (codecset) {
ioctl(p->fd, PHONE_REC_DEPTH, 3);
ioctl(p->fd, PHONE_PLAY_DEPTH, 3);
if (ioctl(p->fd, PHONE_PLAY_START)) {
ast_log(LOG_WARNING, "Failed to start playback\n");
return -1;
}
if (ioctl(p->fd, PHONE_REC_START)) {
ast_log(LOG_WARNING, "Failed to start recording\n");
return -1;
}
}
/* If we get here, we have a frame of Appropriate data */
sofar = 0;
pos = frame->data.ptr;
while(sofar < frame->datalen) {
/* Write in no more than maxfr sized frames */
expected = frame->datalen - sofar;
if (maxfr < expected)
expected = maxfr;
/* XXX Internet Phone Jack does not handle the 4-byte VAD frame properly! XXX
we have to pad it to 24 bytes still. */
if (frame->datalen == 4) {
if (p->silencesupression) {
memcpy(tmpbuf, frame->data.ptr, 4);
expected = 24;
res = phone_write_buf(p, tmpbuf, expected, maxfr, 0);
}
res = 4;
expected=4;
} else {
int swap = 0;
#if __BYTE_ORDER == __BIG_ENDIAN
if (frame->subclass == AST_FORMAT_SLINEAR)
swap = 1; /* Swap big-endian samples to little-endian as we copy */
#endif
res = phone_write_buf(p, pos, expected, maxfr, swap);
}
if (res != expected) {
if ((errno != EAGAIN) && (errno != EINTR)) {
if (res < 0)
ast_log(LOG_WARNING, "Write returned error (%s)\n", strerror(errno));
/*
* Card is in non-blocking mode now and it works well now, but there are
* lot of messages like this. So, this message is temporarily disabled.
*/
#if 0
else
ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frame->datalen);
#endif
return -1;
} else /* Pretend it worked */
res = expected;
}
sofar += res;
pos += res;
}
return 0;
}
| static int phone_write_buf | ( | struct phone_pvt * | p, |
| const char * | buf, | ||
| int | len, | ||
| int | frlen, | ||
| int | swap | ||
| ) | [static] |
Definition at line 605 of file chan_phone.c.
References ast_log(), ast_swapcopy_samples(), phone_pvt::fd, len(), LOG_WARNING, phone_pvt::obuf, and phone_pvt::obuflen.
Referenced by phone_send_text(), and phone_write().
{
int res;
/* Store as much of the buffer as we can, then write fixed frames */
int space = sizeof(p->obuf) - p->obuflen;
/* Make sure we have enough buffer space to store the frame */
if (space < len)
len = space;
if (swap)
ast_swapcopy_samples(p->obuf+p->obuflen, buf, len/2);
else
memcpy(p->obuf + p->obuflen, buf, len);
p->obuflen += len;
while(p->obuflen > frlen) {
res = write(p->fd, p->obuf, frlen);
if (res != frlen) {
if (res < 1) {
/*
* Card is in non-blocking mode now and it works well now, but there are
* lot of messages like this. So, this message is temporarily disabled.
*/
return 0;
} else {
ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frlen);
}
}
p->obuflen -= frlen;
/* Move memory if necessary */
if (p->obuflen)
memmove(p->obuf, p->obuf + frlen, p->obuflen);
}
return len;
}
| static int restart_monitor | ( | void | ) | [static] |
Definition at line 1134 of file chan_phone.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_pthread_create_background, AST_PTHREADT_NULL, AST_PTHREADT_STOP, do_monitor(), iflock, LOG_ERROR, LOG_WARNING, and monlock.
Referenced by load_module(), phone_hangup(), and phone_request().
{
/* If we're supposed to be stopped -- stay stopped */
if (monitor_thread == AST_PTHREADT_STOP)
return 0;
if (ast_mutex_lock(&monlock)) {
ast_log(LOG_WARNING, "Unable to lock monitor\n");
return -1;
}
if (monitor_thread == pthread_self()) {
ast_mutex_unlock(&monlock);
ast_log(LOG_WARNING, "Cannot kill myself\n");
return -1;
}
if (monitor_thread != AST_PTHREADT_NULL) {
if (ast_mutex_lock(&iflock)) {
ast_mutex_unlock(&monlock);
ast_log(LOG_WARNING, "Unable to lock the interface list\n");
return -1;
}
monitor = 0;
while (pthread_kill(monitor_thread, SIGURG) == 0)
sched_yield();
pthread_join(monitor_thread, NULL);
ast_mutex_unlock(&iflock);
}
monitor = 1;
/* Start a new monitor */
if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
ast_mutex_unlock(&monlock);
ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
return -1;
}
ast_mutex_unlock(&monlock);
return 0;
}
| static int unload_module | ( | void | ) | [static] |
Definition at line 1352 of file chan_phone.c.
References __unload_module().
{
return __unload_module();
}
Variable Documentation
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Linux Telephony API Support" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static] |
Definition at line 1473 of file chan_phone.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 1473 of file chan_phone.c.
char cid_name[AST_MAX_EXTENSION] [static] |
Definition at line 151 of file chan_phone.c.
char cid_num[AST_MAX_EXTENSION] [static] |
Definition at line 150 of file chan_phone.c.
const char config[] = "phone.conf" [static] |
Definition at line 85 of file chan_phone.c.
char context[AST_MAX_EXTENSION] = "default" [static] |
Definition at line 88 of file chan_phone.c.
struct ast_channel_tech* cur_tech [static] |
Definition at line 201 of file chan_phone.c.
Referenced by phone_new().
int echocancel = AEC_OFF [static] |
Definition at line 93 of file chan_phone.c.
ast_mutex_t iflock = AST_MUTEX_INIT_VALUE [static] |
Definition at line 100 of file chan_phone.c.
Referenced by __unload_module(), do_monitor(), load_module(), phone_request(), and restart_monitor().
char language[MAX_LANGUAGE] = "" [static] |
Definition at line 91 of file chan_phone.c.
unsigned int monitor [static] |
Definition at line 107 of file chan_phone.c.
Referenced by ast_monitor_start().
pthread_t monitor_thread = AST_PTHREADT_NULL [static] |
Definition at line 111 of file chan_phone.c.
ast_mutex_t monlock = AST_MUTEX_INIT_VALUE [static] |
Definition at line 104 of file chan_phone.c.
Referenced by __unload_module(), and restart_monitor().
struct ast_channel_tech phone_tech [static] |
Definition at line 166 of file chan_phone.c.
struct ast_channel_tech phone_tech_fxs [static] |
Definition at line 183 of file chan_phone.c.
Referenced by load_module().
int prefformat = AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW [static] |
Definition at line 97 of file chan_phone.c.
Referenced by load_module(), and phone_new().
int silencesupression = 0 [static] |
Definition at line 95 of file chan_phone.c.
const char tdesc[] = "Standard Linux Telephony API Driver" [static] |
Definition at line 84 of file chan_phone.c.
