void cw_sched_dump(const struct sched_context *con)
{
/*
* Dump the contents of the scheduler to
* stderr
*/
struct sched *q;
struct timeval tv = cw_tvnow();
#ifdef SCHED_MAX_CACHE
cw_log(LOG_DEBUG, "CallWeaver Schedule Dump (%d in Q, %d Total, %d Cache)\n", con->schedcnt, con->eventcnt - 1, con->schedccnt);
#else
cw_log(LOG_DEBUG, "CallWeaver Schedule Dump (%d in Q, %d Total)\n", con->schedcnt, con->eventcnt - 1);
#endif
cw_log(LOG_DEBUG, "=============================================================\n");
cw_log(LOG_DEBUG, "|ID Callback Data Time (sec:ms) |\n");
cw_log(LOG_DEBUG, "+-----+-----------------+-----------------+-----------------+\n");
for (q = con->schedq; q; q = q->next) {
struct timeval delta = cw_tvsub(q->when, tv);
cw_log(LOG_DEBUG, "|%.4d | %-15p | %-15p | %.6ld : %.6ld |\n",
q->id,
q->callback,
q->data,
delta.tv_sec,
(long int)delta.tv_usec);
}
cw_log(LOG_DEBUG, "=============================================================\n");
}
static char *acf_strftime(struct cw_channel *chan, int argc, char **argv, char *buf, size_t len)
{
char *epoch = NULL;
char *timezone = NULL;
char *format = "%c";
long epochi;
struct tm time;
if ( (argc>0) && (!cw_strlen_zero(argv[0])) ) epoch=argv[0];
if ( (argc>1) && (!cw_strlen_zero(argv[1])) ) timezone=argv[1];
if ( (argc>2) && (!cw_strlen_zero(argv[2])) ) format=argv[2];
if (argc < 1 || !argv[0][0] || !sscanf(epoch, "%ld", &epochi)) {
struct timeval tv = cw_tvnow();
epochi = tv.tv_sec;
}
buf[0] = '\0';
cw_localtime(&epochi, &time, timezone );
if (!strftime(buf, len, format, &time)) {
cw_log(LOG_WARNING, "C function strftime() output nothing?!!\n");
/* AGX: return empty string buffer in case of error */
buf[0] = '\0';
return buf;
}
/* AGX: strfttime man page says it should already add 0 at the end of the string,
* is this something OS specific ? */
buf[len - 1] = '\0';
return buf;
}
int cw_sched_add_variable(struct sched_context *con, int when, cw_sched_cb callback, void *data, int variable)
{
/*
* Schedule callback(data) to happen when ms into the future
*/
struct sched *tmp;
int res = -1;
#ifdef DEBUG_SCHED
DEBUG_LOG(cw_log(LOG_DEBUG, "cw_sched_add_variable()\n"));
#endif
cw_mutex_lock(&con->lock);
if ((tmp = sched_alloc(con))) {
if ((tmp->id = con->eventcnt++) < 0)
tmp->id = con->eventcnt = 0;
tmp->callback = callback;
tmp->data = data;
tmp->resched = when;
tmp->variable = variable;
tmp->when = cw_tvadd(cw_tvnow(), cw_samp2tv(when, 1000));
schedule(con, tmp);
res = tmp->id;
}
#ifdef DUMP_SCHEDULER
/* Dump contents of the context while we have the lock so nothing gets screwed up by accident. */
cw_sched_dump(con);
#endif
cw_mutex_unlock(&con->lock);
return res;
}
int cw_sched_runq(struct sched_context *con)
{
/*
* Launch all events which need to be run at this time.
*/
struct sched *runq, **endq, *current;
struct timeval tv;
int x=0;
int res;
#ifdef DEBUG_SCHED
DEBUG_LOG(cw_log(LOG_DEBUG, "cw_sched_runq()\n"));
#endif
cw_mutex_lock(&con->lock);
/* schedule all events which are going to expire within 1ms.
* We only care about millisecond accuracy anyway, so this will
* help us get more than one event at one time if they are very
* close together.
*/
tv = cw_tvadd(cw_tvnow(), cw_tv(0, 1000));
runq = con->schedq;
endq = &runq;
while (con->schedq && SOONER(con->schedq->when, tv)) {
endq = &con->schedq->next;
con->schedq = con->schedq->next;
con->schedcnt--;
}
*endq = NULL;
cw_mutex_unlock(&con->lock);
while ((current = runq)) {
runq = runq->next;
x++;
res = current->callback(current->data);
if (res) {
/*
* If they return non-zero, we should schedule them to be
* run again.
*/
current->when = cw_tvadd(current->when, cw_samp2tv((current->variable ? res : current->resched), 1000));
schedule(con, current);
} else {
/* No longer needed, so release it */
sched_release(con, current);
}
}
return x;
}
long cw_sched_when(struct sched_context *con,int id)
{
struct sched *s;
long secs;
#ifdef DEBUG_SCHED
DEBUG_LOG(cw_log(LOG_DEBUG, "cw_sched_when()\n"));
#endif
cw_mutex_lock(&con->lock);
s=con->schedq;
while (s!=NULL) {
if (s->id==id) break;
s=s->next;
}
secs=-1;
if (s!=NULL) {
struct timeval now = cw_tvnow();
secs=s->when.tv_sec-now.tv_sec;
}
cw_mutex_unlock(&con->lock);
return secs;
}
int cw_sched_wait(struct sched_context *con)
{
/*
* Return the number of milliseconds
* until the next scheduled event
*/
int ms;
#ifdef DEBUG_SCHED
DEBUG_LOG(cw_log(LOG_DEBUG, "cw_sched_wait()\n"));
#endif
cw_mutex_lock(&con->lock);
if (!con->schedq) {
ms = -1;
} else {
ms = cw_tvdiff_ms(con->schedq->when, cw_tvnow());
if (ms < 0)
ms = 0;
}
cw_mutex_unlock(&con->lock);
return ms;
}
static int sayunixtime_exec(struct cw_channel *chan, int argc, char **argv)
{
struct timeval tv;
time_t unixtime;
struct localuser *u;
char *format;
int res=0;
if (argc > 3) {
cw_log(LOG_ERROR, "Syntax: %s\n", sayunixtime_syntax);
return -1;
}
LOCAL_USER_ADD(u);
if (argc < 1 || !(unixtime = (time_t)atol(argv[0]))) {
tv = cw_tvnow();
unixtime = (time_t)tv.tv_sec;
}
if (argc > 2 && argv[2][0]) {
format = argv[2];
} else if (!strcasecmp(chan->language, "da")) {
format = "A dBY HMS";
} else if (!strcasecmp(chan->language, "de")) {
format = "A dBY HMS";
} else {
format = "ABdY 'digits/at' IMp";
}
if (chan->_state != CW_STATE_UP)
res = cw_answer(chan);
if (!res)
res = cw_say_date_with_format(chan, unixtime, CW_DIGIT_ANY, chan->language, format, (argc > 1 && argv[1][0] ? argv[1] : NULL));
LOCAL_USER_REMOVE(u);
return res;
}
static int pipe_exec(struct cw_channel *chan, int argc, char **argv)
{
int res=0;
struct localuser *u;
int fds[2];
int ms = -1;
int pid = -1;
int owriteformat;
int oreadformat;
int timeout = 2000;
struct timeval last;
struct cw_frame *f;
struct myframe {
struct cw_frame f;
char offset[CW_FRIENDLY_OFFSET];
short frdata[160];
} myf;
last.tv_usec = 0;
last.tv_sec = 0;
if (argc < 2 || argc > 3) {
cw_log(LOG_ERROR, "Syntax: %s\n", pipe_syntax);
return -1;
}
LOCAL_USER_ADD(u);
if (pipe(fds)) {
cw_log(LOG_WARNING, "Unable to create pipe\n");
LOCAL_USER_REMOVE(u);
return -1;
}
// MOC: Setting non blocking doesn't seem to change anything
// flags = fcntl(fds[1], F_GETFL);
// fcntl(fds[1], F_SETFL, flags | O_NONBLOCK);
// flags = fcntl(fds[0], F_GETFL);
// fcntl(fds[0], F_SETFL, flags | O_NONBLOCK);
cw_stopstream(chan);
if (chan->_state != CW_STATE_UP)
res = cw_answer(chan);
if (res) {
close(fds[0]);
close(fds[1]);
cw_log(LOG_WARNING, "Answer failed!\n");
LOCAL_USER_REMOVE(u);
return -1;
}
oreadformat = chan->readformat;
res = cw_set_read_format(chan, CW_FORMAT_SLINEAR);
owriteformat = chan->writeformat;
res += cw_set_write_format(chan, CW_FORMAT_SLINEAR);
if (res < 0) {
close(fds[0]);
close(fds[1]);
cw_log(LOG_WARNING, "Unable to set write format to signed linear\n");
LOCAL_USER_REMOVE(u);
return -1;
}
res = pipeencode(argv[1], argv[2], fds[0], fds[1]);
if (res >= 0) {
last = cw_tvnow();
last.tv_sec += 1;
pid = res;
for (;;) {
/* Wait for audio, and stream */
if (argv[0][0] == '0') {
/* START WRITE TO FD */
ms = cw_waitfor(chan, 10);
if (ms < 0) {
cw_log(LOG_DEBUG, "Hangup detected\n");
res = -1;
break;
} else if (ms > 0) {
f = cw_read(chan);
if (!f) {
cw_log(LOG_DEBUG, "Null frame == hangup() detected\n");
res = -1;
break;
}
if (f->frametype == CW_FRAME_DTMF) {
cw_log(LOG_DEBUG, "User pressed a key\n");
cw_fr_free(f);
res = 0;
break;
}
if (f->frametype == CW_FRAME_VOICE) {
res = write(fds[1], f->data, f->datalen);
if (res < 0) {
if (errno != EAGAIN) {
cw_log(LOG_WARNING, "Write failed to pipe: %s\n", strerror(errno));
cw_fr_free(f);
res = -1;
break;
}
}
}
cw_fr_free(f);
} /* END WRITE TO FD */
} else {
/* START WRITE CHANNEL */
ms = cw_tvdiff_ms(last, cw_tvnow());
if (ms <= 0) {
res = timed_read(fds[0], myf.frdata, sizeof(myf.frdata), timeout);
if (res > 0) {
cw_fr_init_ex(&myf.f, CW_FRAME_VOICE, CW_FORMAT_SLINEAR, __PRETTY_FUNCTION__);
myf.f.datalen = res;
myf.f.samples = res/sizeof(int16_t);
myf.f.offset = CW_FRIENDLY_OFFSET;
myf.f.data = myf.frdata;
if (cw_write(chan, &myf.f) < 0)
{
res = -1;
break;
}
} else {
cw_log(LOG_DEBUG, "No more stream\n");
res = 0;
break;
}
last = cw_tvadd(last, cw_samp2tv(myf.f.samples, 8000));
} else {
ms = cw_waitfor(chan, ms);
if (ms < 0) {
cw_log(LOG_DEBUG, "Hangup detected\n");
res = -1;
break;
}
if (ms) {
f = cw_read(chan);
if (!f) {
cw_log(LOG_DEBUG, "Null frame == hangup() detected\n");
res = -1;
break;
}
if (f->frametype == CW_FRAME_DTMF) {
cw_log(LOG_DEBUG, "User pressed a key\n");
cw_fr_free(f);
res = 0;
break;
}
cw_fr_free(f);
}
}
/* END WRITE CHANNEL */
}
}
}
close(fds[0]);
close(fds[1]);
LOCAL_USER_REMOVE(u);
if (pid > -1)
kill(pid, SIGKILL);
if (!res && oreadformat)
cw_set_read_format(chan, oreadformat);
if (!res && owriteformat)
cw_set_write_format(chan, owriteformat);
return res;
}
static int cw_serialize_showchan(struct cw_channel *c, char *buf, size_t size)
{
struct timeval now;
long elapsed_seconds=0;
int hour=0, min=0, sec=0;
char cgrp[256];
char pgrp[256];
now = cw_tvnow();
memset(buf,0,size);
if (!c)
return 0;
if (c->cdr) {
elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
hour = elapsed_seconds / 3600;
min = (elapsed_seconds % 3600) / 60;
sec = elapsed_seconds % 60;
}
snprintf(buf,size,
"Name= %s\n"
"Type= %s\n"
"UniqueID= %s\n"
"CallerID= %s\n"
"CallerIDName= %s\n"
"DNIDDigits= %s\n"
"State= %s (%d)\n"
"Rings= %d\n"
"NativeFormat= %d\n"
"WriteFormat= %d\n"
"ReadFormat= %d\n"
"1stFileDescriptor= %d\n"
"Framesin= %d %s\n"
"Framesout= %d %s\n"
"TimetoHangup= %ld\n"
"ElapsedTime= %dh%dm%ds\n"
"Context= %s\n"
"Extension= %s\n"
"Priority= %d\n"
"CallGroup= %s\n"
"PickupGroup= %s\n"
"Application= %s\n"
"Blocking_in= %s\n",
c->name,
c->type,
c->uniqueid,
(c->cid.cid_num ? c->cid.cid_num : "(N/A)"),
(c->cid.cid_name ? c->cid.cid_name : "(N/A)"),
(c->cid.cid_dnid ? c->cid.cid_dnid : "(N/A)" ),
cw_state2str(c->_state),
c->_state,
c->rings,
c->nativeformats,
c->writeformat,
c->readformat,
c->fds[0], c->fin & 0x7fffffff, (c->fin & 0x80000000) ? " (DEBUGGED)" : "",
c->fout & 0x7fffffff, (c->fout & 0x80000000) ? " (DEBUGGED)" : "", (long)c->whentohangup,
hour,
min,
sec,
c->context,
c->exten,
c->priority,
cw_print_group(cgrp, sizeof(cgrp), c->callgroup),
cw_print_group(pgrp, sizeof(pgrp), c->pickupgroup),
( c->appl ? c->appl : "(N/A)" ),
(cw_test_flag(c, CW_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
return 0;
}
int cw_control_streamfile(struct cw_channel *chan, const char *file,
const char *fwd, const char *rev,
const char *stop, const char *pause,
const char *restart, int skipms)
{
long elapsed = 0, last_elapsed = 0;
char *breaks = NULL;
char *end = NULL;
int blen = 2;
int res;
if (stop)
blen += strlen(stop);
if (pause)
blen += strlen(pause);
if (restart)
blen += strlen(restart);
if (blen > 2) {
breaks = alloca(blen + 1);
breaks[0] = '\0';
if (stop)
strcat(breaks, stop);
if (pause)
strcat(breaks, pause);
if (restart)
strcat(breaks, restart);
}
if (chan->_state != CW_STATE_UP)
res = cw_answer(chan);
if (chan)
cw_stopstream(chan);
if (file) {
if ((end = strchr(file,':'))) {
if (!strcasecmp(end, ":end")) {
*end = '\0';
end++;
}
}
}
for (;;) {
struct timeval started = cw_tvnow();
if (chan)
cw_stopstream(chan);
res = cw_streamfile(chan, file, chan->language);
if (!res) {
if (end) {
cw_seekstream(chan->stream, 0, SEEK_END);
end=NULL;
}
res = 1;
if (elapsed) {
cw_stream_fastforward(chan->stream, elapsed);
last_elapsed = elapsed - 200;
}
if (res)
res = cw_waitstream_fr(chan, breaks, fwd, rev, skipms);
else
break;
}
if (res < 1)
break;
/* We go at next loop if we got the restart char */
if (restart && strchr(restart, res)) {
cw_log(LOG_DEBUG, "we'll restart the stream here at next loop\n");
elapsed=0; /* To make sure the next stream will start at beginning */
continue;
}
if (pause != NULL && strchr(pause, res)) {
elapsed = cw_tvdiff_ms(cw_tvnow(), started) + last_elapsed;
for(;;) {
if (chan)
cw_stopstream(chan);
res = cw_waitfordigit(chan, 1000);
if (res == 0)
continue;
else if (res == -1 || strchr(pause, res) || (stop && strchr(stop, res)))
break;
}
if (res == *pause) {
res = 0;
continue;
}
}
if (res == -1)
break;
/* if we get one of our stop chars, return it to the calling function */
if (stop && strchr(stop, res)) {
/* res = 0; */
break;
}
}
if (chan)
cw_stopstream(chan);
return res;
}
