static int phone_hangup(struct ast_channel *ast)
{
struct phone_pvt *p;
p = ast->pvt->pvt;
if (option_debug)
ast_log(LOG_DEBUG, "phone_hangup(%s)\n", ast->name);
if (!ast->pvt->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_log(LOG_DEBUG, "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)) {
if (option_debug)
ast_log(LOG_DEBUG, "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->pvt->pvt))->owner = NULL;
ast_mutex_lock(&usecnt_lock);
usecnt--;
if (usecnt < 0)
ast_log(LOG_WARNING, "Usecnt < 0???\n");
ast_mutex_unlock(&usecnt_lock);
ast_update_use_count();
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "Hungup '%s'\n", ast->name);
ast->pvt->pvt = NULL;
ast_setstate(ast, AST_STATE_DOWN);
restart_monitor();
return 0;
}
static int status_session(struct respoke_session *session, enum respoke_status status)
{
if (!session->channel) {
return 0;
}
switch (status) {
case RESPOKE_STATUS_RINGING:
ast_queue_control(session->channel, AST_CONTROL_RINGING);
ast_channel_lock(session->channel);
if (ast_channel_state(session->channel) != AST_STATE_UP) {
ast_setstate(session->channel, AST_STATE_RINGING);
}
ast_channel_unlock(session->channel);
break;
case RESPOKE_STATUS_PROGRESS:
ast_queue_control(session->channel, AST_CONTROL_PROGRESS);
break;
default:
set_cause_code(session, status);
ast_queue_hangup(session->channel);
break;
}
return 0;
}
static struct ast_frame *aopen_handle_escape(struct ast_modem_pvt *p, char esc)
{
/* Handle escaped characters -- but sometimes we call it directly as
a quick way to cause known responses */
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
p->fr.data = NULL;
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.offset = 0;
p->fr.mallocd = 0;
p->fr.delivery.tv_sec = 0;
p->fr.delivery.tv_usec = 0;
if (esc)
ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
switch(esc) {
case 'R': /* Pseudo ring */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
return &p->fr;
case 'X': /* Pseudo connect */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
if (p->owner)
ast_setstate(p->owner, AST_STATE_UP);
if (aopen_startrec(p))
return NULL;
return &p->fr;
case 'b': /* Busy signal */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_BUSY;
return &p->fr;
case 'o': /* Overrun */
ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
if (ast_modem_send(p, "\0x10E", 2))
ast_log(LOG_WARNING, "Unable to flush buffers\n");
return &p->fr;
case 'u': /* Underrun */
ast_log(LOG_WARNING, "Data underrun\n");
/* Fall Through */
case CHAR_ETX: /* End Transmission */
case 'd': /* Dialtone */
case 'c': /* Calling Tone */
case 'e': /* European version */
case 'a': /* Answer Tone */
case 'f': /* Bell Answer Tone */
case 'T': /* Timing mark */
case 't': /* Handset off hook */
case 'h': /* Handset hungup */
case 0: /* Pseudo signal */
/* Ignore */
return &p->fr;
default:
ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
}
return &p->fr;
}
static int phone_call(struct ast_channel *ast, char *dest, int timeout)
{
struct phone_pvt *p;
PHONE_CID cid;
time_t UtcTime;
struct tm tm;
time(&UtcTime);
localtime_r(&UtcTime,&tm);
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->callerid || ast_strlen_zero(ast->callerid)){
strncpy(cid.name, DEFAULT_CALLER_ID, sizeof(cid.name) - 1);
cid.number[0]='\0';
} else {
char *n, *l;
char callerid[256] = "";
strncpy(callerid, ast->callerid, sizeof(callerid) - 1);
ast_callerid_parse(callerid, &n, &l);
if (l) {
ast_shrink_phone_number(l);
if (!ast_isphonenumber(l))
l = NULL;
}
if (l)
strncpy(cid.number, l, sizeof(cid.number) - 1);
if (n)
strncpy(cid.name, n, sizeof(cid.name) - 1);
}
p = ast->pvt->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;
}
if (option_debug)
ast_log(LOG_DEBUG, "Ringing %s on %s (%d)\n", dest, ast->name, ast->fds[0]);
IXJ_PHONE_RING_START(cid);
ast_setstate(ast, AST_STATE_RINGING);
ast_queue_control(ast, AST_CONTROL_RINGING);
return 0;
}
static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *context)
{
struct ast_channel *tmp;
tmp = ast_channel_alloc(1);
if (tmp) {
snprintf(tmp->name, sizeof(tmp->name), "Phone/%s", i->dev + 5);
tmp->type = type;
tmp->fds[0] = i->fd;
/* XXX Switching formats silently causes kernel panics XXX */
tmp->nativeformats = prefformat;
tmp->pvt->rawreadformat = prefformat;
tmp->pvt->rawwriteformat = prefformat;
ast_setstate(tmp, state);
if (state == AST_STATE_RING)
tmp->rings = 1;
tmp->pvt->pvt = i;
tmp->pvt->send_digit = phone_digit;
tmp->pvt->call = phone_call;
tmp->pvt->hangup = phone_hangup;
tmp->pvt->answer = phone_answer;
tmp->pvt->read = phone_read;
tmp->pvt->write = phone_write;
tmp->pvt->exception = phone_exception;
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);
if (strlen(i->callerid))
tmp->callerid = strdup(i->callerid);
i->owner = tmp;
ast_mutex_lock(&usecnt_lock);
usecnt++;
ast_mutex_unlock(&usecnt_lock);
ast_update_use_count();
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 inline int at_response_conn (pvt_t* pvt)
{
if (pvt->outgoing)
{
ast_debug (1, "[%s] Remote end answered\n", pvt->id);
channel_queue_control (pvt, AST_CONTROL_ANSWER);
}
else if (pvt->incoming && pvt->answered)
{
ast_setstate (pvt->owner, AST_STATE_UP);
}
return 0;
}
/*!
* \ingroup applications
*/
int indicate_congestion(struct ast_channel *chan, const char *data)
{
ast_indicate(chan, AST_CONTROL_CONGESTION);
/* Don't change state of an UP channel, just indicate
congestion in audio */
ast_channel_lock(chan);
if (ast_channel_state(chan) != AST_STATE_UP) {
ast_channel_hangupcause_set(chan, AST_CAUSE_CONGESTION);
ast_setstate(chan, AST_STATE_BUSY);
}
ast_channel_unlock(chan);
wait_for_hangup(chan, data);
return -1;
}
static int phone_answer(struct ast_channel *ast)
{
struct phone_pvt *p;
p = ast->pvt->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_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno));
else
ast_log(LOG_DEBUG, "Took linejack off hook\n");
}
phone_setup(ast);
if (option_debug)
ast_log(LOG_DEBUG, "phone_answer(%s)\n", ast->name);
ast->rings = 0;
ast_setstate(ast, AST_STATE_UP);
return 0;
}
/*!
* \brief queue a frame onto either the p->owner or p->chan
*
* \note the ast_unreal_pvt MUST have it's ref count bumped before entering this function and
* decremented after this function is called. This is a side effect of the deadlock
* avoidance that is necessary to lock 2 channels and a tech_pvt. Without a ref counted
* ast_unreal_pvt, it is impossible to guarantee it will not be destroyed by another thread
* during deadlock avoidance.
*/
static int unreal_queue_frame(struct ast_unreal_pvt *p, int isoutbound, struct ast_frame *f,
struct ast_channel *us, int us_locked)
{
struct ast_channel *other;
/* Recalculate outbound channel */
other = isoutbound ? p->owner : p->chan;
if (!other) {
return 0;
}
/* do not queue media frames if a generator is on both unreal channels */
if (us
&& (f->frametype == AST_FRAME_VOICE || f->frametype == AST_FRAME_VIDEO)
&& ast_channel_generator(us)
&& ast_channel_generator(other)) {
return 0;
}
/* grab a ref on the channel before unlocking the pvt,
* other can not go away from us now regardless of locking */
ast_channel_ref(other);
if (us && us_locked) {
ast_channel_unlock(us);
}
ao2_unlock(p);
if (f->frametype == AST_FRAME_CONTROL && f->subclass.integer == AST_CONTROL_RINGING) {
ast_setstate(other, AST_STATE_RINGING);
}
ast_queue_frame(other, f);
other = ast_channel_unref(other);
if (us && us_locked) {
ast_channel_lock(us);
}
ao2_lock(p);
return 0;
}
static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
{
struct phone_pvt *p = ast->pvt->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) {
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_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_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;
}
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 voice frame of Appropriate data */
sofar = 0;
pos = frame->data;
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) {
memset(tmpbuf + 4, 0, sizeof(tmpbuf) - 4);
memcpy(tmpbuf, frame->data, 4);
expected = 24;
res = phone_write_buf(p, tmpbuf, expected, maxfr);
}
res = 4;
expected=4;
} else {
res = phone_write_buf(p, pos, expected, maxfr);
}
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 struct ast_frame *phone_exception(struct ast_channel *ast)
{
int res;
union telephony_exception phonee;
struct phone_pvt *p = ast->pvt->pvt;
char digit;
/* Some nice norms */
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.data = NULL;
p->fr.src = type;
p->fr.offset = 0;
p->fr.mallocd=0;
p->fr.delivery.tv_sec = 0;
p->fr.delivery.tv_usec = 0;
phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION);
if (phonee.bits.dtmf_ready) {
if (option_debug)
ast_log(LOG_DEBUG, "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) {
if (option_debug)
ast_log(LOG_DEBUG, "Hookstate changed\n");
res = ioctl(p->fd, PHONE_HOOKSTATE);
/* See if we've gone on hook, if so, notify by returning NULL */
if (option_debug)
ast_log(LOG_DEBUG, "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 struct ast_frame *bestdata_handle_escape(struct ast_modem_pvt *p, char esc)
{
char name[30]="",nmbr[30]="";
time_t now;
/* Handle escaped characters -- but sometimes we call it directly as
a quick way to cause known responses */
p->fr.frametype = AST_FRAME_NULL;
p->fr.subclass = 0;
p->fr.data = NULL;
p->fr.datalen = 0;
p->fr.samples = 0;
p->fr.offset = 0;
p->fr.mallocd = 0;
p->fr.delivery.tv_sec = 0;
p->fr.delivery.tv_usec = 0;
if (esc)
ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
switch(esc) {
case 'R': /* Pseudo ring */
time(&now);
if (now > (p->lastring + (RINGT / 1000)))
{ /* if stale, treat as new */
p->gotclid = 0;
}
if (p->gotclid)
{
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
}
p->ringt = RINGT;
time(&p->lastring);
return &p->fr;
case 'X': /* Caller-ID Spill */
if (p->gotclid) return &p->fr;
name[0] = nmbr[0] = 0;
for(;;)
{
char res[1000]="";
if (ast_modem_read_response(p, 5)) break;
strncpy(res, p->response, sizeof(res)-1);
ast_modem_trim(res);
if (!strncmp(res,"\020.",2)) break;
if (!strncmp(res,"NAME",4)) strncpy(name,res + 7, sizeof(name) - 1);
if (!strncmp(res,"NMBR",4)) strncpy(nmbr,res + 7, sizeof(nmbr) - 1);
}
p->gotclid = 1;
if ((!strcmp(name,"O")) || (!strcmp(name,"P"))) name[0] = 0;
if ((!strcmp(nmbr,"O")) || (!strcmp(nmbr,"P"))) nmbr[0] = 0;
if ((name[0]) && (nmbr[0])) snprintf(p->cid,sizeof(p->cid),
"\"%s\" <%s>",name,nmbr);
else if (name[0]) snprintf(p->cid,sizeof(p->cid),
"\"%s\"",name);
else if (nmbr[0]) snprintf(p->cid,sizeof(p->cid),
"%s",nmbr);
if (p->owner) p->owner->callerid = strdup(p->cid);
return &p->fr;
case '@': /* response from "OK" in command mode */
if (p->owner)
ast_setstate(p->owner, AST_STATE_UP);
if (bestdata_startrec(p)) return NULL;
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_RING;
return &p->fr;
case 'b': /* Busy signal */
p->fr.frametype = AST_FRAME_CONTROL;
p->fr.subclass = AST_CONTROL_BUSY;
return &p->fr;
case 'o': /* Overrun */
ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
if (ast_modem_send(p, "\0x10E", 2))
ast_log(LOG_WARNING, "Unable to flush buffers\n");
return &p->fr;
case '0': /* All the DTMF characters */
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '*':
case '#':
case 'A':
case 'B':
case 'C':
case 'D':
p->dtmfrx = esc; /* save this for when its done */
return &p->fr;
case '/': /* Start of DTMF tone shielding */
p->dtmfrx = ' ';
return &p->fr;
case '~': /* DTMF transition to off */
if (p->dtmfrx > ' ')
{
p->fr.frametype = AST_FRAME_DTMF;
p->fr.subclass = p->dtmfrx;
}
p->dtmfrx = 0;
return &p->fr;
case 'u': /* Underrun */
ast_log(LOG_WARNING, "Data underrun\n");
/* Fall Through */
case CHAR_ETX: /* End Transmission */
case 'd': /* Dialtone */
case 'c': /* Calling Tone */
case 'e': /* European version */
case 'a': /* Answer Tone */
case 'f': /* Bell Answer Tone */
case 'T': /* Timing mark */
case 't': /* Handset off hook */
case 'h': /* Handset hungup */
case 0: /* Pseudo signal */
/* Ignore */
return &p->fr;
default:
ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
}
return &p->fr;
}