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freetdm: added dtmf recording feature for debugging

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This commit is contained in:
Moises Silva committed 2010-07-29 17:26:03 -04:00
1 parent 450ac1347e
commit 9f9c4541cd
4 files changed
+152
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libs/freetdm/src/ftdm_io.c
+118
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@@ -372,6 +372,10 @@ static ftdm_status_t ftdm_channel_destroy(ftdm_channel_t *ftdmchan)
ftdm_sleep(500);
}
#ifdef FTDM_DEBUG_DTMF
ftdm_mutex_destroy(&ftdmchan->dtmfdbg.mutex);
#endif
ftdm_mutex_lock(ftdmchan->pre_buffer_mutex);
ftdm_buffer_destroy(&ftdmchan->pre_buffer);
ftdm_mutex_unlock(ftdmchan->pre_buffer_mutex);
@@ -771,6 +775,9 @@ FT_DECLARE(ftdm_status_t) ftdm_span_add_channel(ftdm_span_t *span, ftdm_socket_t
ftdm_mutex_create(&new_chan->mutex);
ftdm_mutex_create(&new_chan->pre_buffer_mutex);
#ifdef FTDM_DEBUG_DTMF
ftdm_mutex_create(&new_chan->dtmfdbg.mutex);
#endif
ftdm_buffer_create(&new_chan->digit_buffer, 128, 128, 0);
ftdm_buffer_create(&new_chan->gen_dtmf_buffer, 128, 128, 0);
@@ -2166,6 +2173,23 @@ FT_DECLARE(ftdm_status_t) ftdm_span_get_sig_status(ftdm_span_t *span, ftdm_signa
}
}
#ifdef FTDM_DEBUG_DTMF
static void close_dtmf_debug(ftdm_channel_t *ftdmchan)
{
ftdm_mutex_lock(ftdmchan->dtmfdbg.mutex);
if (ftdmchan->dtmfdbg.file) {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "closing debug dtmf file\n");
fclose(ftdmchan->dtmfdbg.file);
ftdmchan->dtmfdbg.file = NULL;
}
ftdmchan->dtmfdbg.windex = 0;
ftdmchan->dtmfdbg.wrapped = 0;
ftdm_mutex_unlock(ftdmchan->dtmfdbg.mutex);
}
#endif
FT_DECLARE(ftdm_status_t) ftdm_channel_done(ftdm_channel_t *ftdmchan)
{
assert(ftdmchan != NULL);
@@ -2193,6 +2217,9 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_done(ftdm_channel_t *ftdmchan)
ftdm_buffer_destroy(&ftdmchan->pre_buffer);
ftdmchan->pre_buffer_size = 0;
ftdm_mutex_unlock(ftdmchan->pre_buffer_mutex);
#ifdef FTDM_DEBUG_DTMF
close_dtmf_debug(ftdmchan);
#endif
ftdmchan->init_state = FTDM_CHANNEL_STATE_DOWN;
ftdmchan->state = FTDM_CHANNEL_STATE_DOWN;
@@ -2831,6 +2858,54 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_queue_dtmf(ftdm_channel_t *ftdmchan, cons
assert(ftdmchan != NULL);
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Queuing DTMF %s\n", dtmf);
#ifdef FTDM_DEBUG_DTMF
ftdm_mutex_lock(ftdmchan->dtmfdbg.mutex);
if (!ftdmchan->dtmfdbg.file) {
struct tm currtime;
time_t currsec;
char dfile[512];
currsec = time(NULL);
localtime_r(&currsec, &currtime);
snprintf(dfile, sizeof(dfile), "dtmf-s%dc%d-20%d-%d-%d-%d:%d:%d.%s",
ftdmchan->span_id, ftdmchan->chan_id,
currtime.tm_year-100, currtime.tm_mon+1, currtime.tm_mday,
currtime.tm_hour, currtime.tm_min, currtime.tm_sec, ftdmchan->native_codec == FTDM_CODEC_ULAW ? "ulaw" : ftdmchan->native_codec == FTDM_CODEC_ALAW ? "alaw" : "sln");
ftdmchan->dtmfdbg.file = fopen(dfile, "w");
if (!ftdmchan->dtmfdbg.file) {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "failed to open debug dtmf file %s\n", dfile);
} else {
/* write the saved audio buffer */
int rc = 0;
int towrite = sizeof(ftdmchan->dtmfdbg.buffer) - ftdmchan->dtmfdbg.windex;
ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "created debug DTMF file %s\n", dfile);
ftdmchan->dtmfdbg.closetimeout = DTMF_DEBUG_TIMEOUT;
if (ftdmchan->dtmfdbg.wrapped) {
rc = fwrite(&ftdmchan->dtmfdbg.buffer[ftdmchan->dtmfdbg.windex], 1, towrite, ftdmchan->dtmfdbg.file);
if (rc != towrite) {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "only wrote %d out of %d bytes in DTMF debug buffer\n", rc, towrite);
}
}
if (ftdmchan->dtmfdbg.windex) {
towrite = ftdmchan->dtmfdbg.windex;
rc = fwrite(&ftdmchan->dtmfdbg.buffer[0], 1, towrite, ftdmchan->dtmfdbg.file);
if (rc != towrite) {
ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "only wrote %d out of %d bytes in DTMF debug buffer\n", rc, towrite);
}
}
ftdmchan->dtmfdbg.windex = 0;
ftdmchan->dtmfdbg.wrapped = 0;
}
} else {
ftdmchan->dtmfdbg.closetimeout = DTMF_DEBUG_TIMEOUT;
}
ftdm_mutex_unlock(ftdmchan->dtmfdbg.mutex);
#endif
if (ftdmchan->pre_buffer) {
ftdm_buffer_zero(ftdmchan->pre_buffer);
}
@@ -2883,6 +2958,7 @@ static FIO_WRITE_FUNCTION(ftdm_raw_write)
return ftdmchan->fio->write(ftdmchan, data, datalen);
}
static FIO_READ_FUNCTION(ftdm_raw_read)
{
ftdm_status_t status = ftdmchan->fio->read(ftdmchan, data, datalen);
@@ -2892,6 +2968,48 @@ static FIO_READ_FUNCTION(ftdm_raw_read)
ftdm_log(FTDM_LOG_WARNING, "Raw input trace failed to write all of the %zd bytes\n", dlen);
}
}
#ifdef FTDM_DEBUG_DTMF
if (status == FTDM_SUCCESS) {
int dlen = (int) *datalen;
int rc = 0;
ftdm_mutex_lock(ftdmchan->dtmfdbg.mutex);
if (!ftdmchan->dtmfdbg.file) {
/* no file yet, write to our circular buffer */
int windex = ftdmchan->dtmfdbg.windex;
int avail = sizeof(ftdmchan->dtmfdbg.buffer) - windex;
char *dataptr = data;
if (dlen > avail) {
int diff = dlen - avail;
/* write only what we can and the rest at the beginning of the buffer */
memcpy(&ftdmchan->dtmfdbg.buffer[windex], dataptr, avail);
memcpy(&ftdmchan->dtmfdbg.buffer[0], &dataptr[avail], diff);
windex = diff;
/*ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "wrapping around dtmf read buffer up to index %d\n\n", windex);*/
ftdmchan->dtmfdbg.wrapped = 1;
} else {
memcpy(&ftdmchan->dtmfdbg.buffer[windex], dataptr, dlen);
windex += dlen;
}
if (windex == sizeof(ftdmchan->dtmfdbg.buffer)) {
/*ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "wrapping around dtmf read buffer\n");*/
windex = 0;
ftdmchan->dtmfdbg.wrapped = 1;
}
ftdmchan->dtmfdbg.windex = windex;
} else {
rc = fwrite(data, 1, dlen, ftdmchan->dtmfdbg.file);
if (rc != dlen) {
ftdm_log(FTDM_LOG_WARNING, "DTMF debugger wrote only %d out of %d bytes: %s\n", rc, datalen, strerror(errno));
}
ftdmchan->dtmfdbg.closetimeout--;
if (!ftdmchan->dtmfdbg.closetimeout) {
close_dtmf_debug(ftdmchan);
}
}
ftdm_mutex_unlock(ftdmchan->dtmfdbg.mutex);
}
#endif
return status;
}