int main(int argc, char *argv[])
{
int msg_len;
uint8_t msg[1024];
int t38_version;
int i;
int seq_no;
int use_ecm;
int without_pacing;
const char *input_file_name;
t38_version = 1;
without_pacing = FALSE;
input_file_name = INPUT_FILE_NAME;
use_ecm = FALSE;
simulate_incrementing_repeats = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-e") == 0)
{
use_ecm = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
i++;
input_file_name = argv[i];
continue;
}
if (strcmp(argv[i], "-I") == 0)
{
simulate_incrementing_repeats = TRUE;
continue;
}
if (strcmp(argv[i], "-p") == 0)
{
without_pacing = TRUE;
continue;
}
if (strcmp(argv[i], "-v") == 0)
{
i++;
t38_version = atoi(argv[i]);
continue;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if (t38_terminal_init(&t38_state_a, TRUE, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_terminal_set_config(&t38_state_a, without_pacing);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
span_log_set_level(&t38_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t30_state.logging, "T.38-A");
t30_set_local_ident(&t38_state_a.t30_state, "11111111");
t30_set_tx_file(&t38_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&t38_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&t38_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&t38_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(&t38_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_b.t38, t38_version);
t38_terminal_set_config(&t38_state_b, without_pacing);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
t30_set_local_ident(&t38_state_b.t30_state, "22222222");
t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
for (;;)
{
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
done[0] = t38_terminal_send_timeout(&t38_state_a, SAMPLES_PER_CHUNK);
done[1] = t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
{
t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
}
while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
{
t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
}
if (done[0] && done[1])
break;
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
static int txfax_exec(struct ast_channel *chan, void *data)
{
int res = 0;
char source_file[256];
char *x;
char *s;
char *t;
char *v;
int option;
int len;
t30_state_t fax;
int calling_party;
int verbose;
int samples;
struct localuser *u;
struct ast_frame *inf = NULL;
struct ast_frame outf;
int original_read_fmt;
int original_write_fmt;
uint8_t __buf[sizeof(uint16_t)*MAX_BLOCK_SIZE + 2*AST_FRIENDLY_OFFSET];
uint8_t *buf = __buf + AST_FRIENDLY_OFFSET;
if (chan == NULL)
{
ast_log(LOG_WARNING, "Fax transmit channel is NULL. Giving up.\n");
return -1;
}
span_set_message_handler(span_message);
/* The next few lines of code parse out the filename and header from the input string */
if (data == NULL)
{
/* No data implies no filename or anything is present */
ast_log(LOG_WARNING, "Txfax requires an argument (filename)\n");
return -1;
}
calling_party = FALSE;
verbose = FALSE;
source_file[0] = '\0';
for (option = 0, v = s = data; v; option++, s++)
{
t = s;
v = strchr(s, '|');
s = (v) ? v : s + strlen(s);
strncpy((char *) buf, t, s - t);
buf[s - t] = '\0';
if (option == 0)
{
/* The first option is always the file name */
len = s - t;
if (len > 255)
len = 255;
strncpy(source_file, t, len);
source_file[len] = '\0';
}
else if (strncmp("caller", t, s - t) == 0)
{
calling_party = TRUE;
}
else if (strncmp("debug", t, s - t) == 0)
{
verbose = TRUE;
}
}
/* Done parsing */
LOCAL_USER_ADD(u);
if (chan->_state != AST_STATE_UP)
{
/* Shouldn't need this, but checking to see if channel is already answered
* Theoretically asterisk should already have answered before running the app */
res = ast_answer(chan);
}
if (!res)
{
original_read_fmt = chan->readformat;
if (original_read_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
if (res < 0)
{
ast_log(LOG_WARNING, "Unable to set to linear read mode, giving up\n");
return -1;
}
}
original_write_fmt = chan->writeformat;
if (original_write_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_write_format(chan, AST_FORMAT_SLINEAR);
if (res < 0)
{
ast_log(LOG_WARNING, "Unable to set to linear write mode, giving up\n");
res = ast_set_read_format(chan, original_read_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
return -1;
}
}
fax_init(&fax, calling_party, NULL);
if (verbose)
fax.logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
x = pbx_builtin_getvar_helper(chan, "LOCALSTATIONID");
if (x && x[0])
t30_set_local_ident(&fax, x);
x = pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO");
if (x && x[0])
t30_set_header_info(&fax, x);
t30_set_tx_file(&fax, source_file, -1, -1);
//t30_set_phase_b_handler(&fax, phase_b_handler, chan);
//t30_set_phase_d_handler(&fax, phase_d_handler, chan);
t30_set_phase_e_handler(&fax, phase_e_handler, chan);
while (ast_waitfor(chan, -1) > -1)
{
inf = ast_read(chan);
if (inf == NULL)
{
res = -1;
break;
}
if (inf->frametype == AST_FRAME_VOICE)
{
if (fax_rx(&fax, inf->data, inf->samples))
break;
samples = (inf->samples <= MAX_BLOCK_SIZE) ? inf->samples : MAX_BLOCK_SIZE;
len = fax_tx(&fax, (int16_t *) &buf[AST_FRIENDLY_OFFSET], samples);
if (len)
{
memset(&outf, 0, sizeof(outf));
outf.frametype = AST_FRAME_VOICE;
outf.subclass = AST_FORMAT_SLINEAR;
outf.datalen = len*sizeof(int16_t);
outf.samples = len;
outf.data = &buf[AST_FRIENDLY_OFFSET];
outf.offset = AST_FRIENDLY_OFFSET;
if (ast_write(chan, &outf) < 0)
{
ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno));
break;
}
}
}
ast_frfree(inf);
}
if (inf == NULL)
{
ast_log(LOG_DEBUG, "Got hangup\n");
res = -1;
}
if (original_read_fmt && original_read_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_read_format(chan, original_read_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
}
if (original_write_fmt && original_write_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_write_format(chan, original_write_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore write format on '%s'\n", chan->name);
}
fax_release(&fax);
}
else
{
ast_log(LOG_WARNING, "Could not answer channel '%s'\n", chan->name);
}
LOCAL_USER_REMOVE(u);
return res;
}
static void handle_uc_event(uc_t *uc, void *user_data, uc_event_t *e)
{
int chan;
chan = (int) user_data;
printf ("-- %s (%d)\n", uc_event2str(e->e), chan);
switch (e->e)
{
case UC_EVENT_DEVICEFAIL:
break;
case UC_EVENT_PROTOCOLFAIL:
printf("-- Protocol failure on channel %d, cause %d\n", e->gen.channel, e->gen.data);
break;
case UC_EVENT_SIGCHANSTATUS:
printf("-- Signalling channel status - %s\n", e->sigchanstatus.ok ? "Up" : "Down");
break;
case UC_EVENT_ALARM:
printf("-- Alarm - 0x%X 0x%X\n", e->alarm.raised, e->alarm.cleared);
break;
case UC_EVENT_FARBLOCKED:
printf("-- Channel far end blocked! :-(\n");
chan_stuff[chan].xxx &= ~1;
break;
case UC_EVENT_FARUNBLOCKED:
printf("-- Channel far end unblocked! :-)\n");
chan_stuff[chan].xxx |= 1;
if (chan_stuff[chan].xxx == 3)
{
if (caller_mode)
initiate_call(uc, chan, e);
/*endif*/
}
/*endif*/
break;
case UC_EVENT_LOCALBLOCKED:
printf("-- Channel local end blocked! :-(\n");
chan_stuff[chan].xxx &= ~2;
break;
case UC_EVENT_LOCALUNBLOCKED:
printf("-- Channel local end unblocked! :-)\n");
chan_stuff[chan].xxx |= 2;
if (chan_stuff[chan].xxx == 3)
{
if (caller_mode)
initiate_call(uc, chan, e);
/*endif*/
}
/*endif*/
break;
case UC_EVENT_DIALING:
printf("-- Dialing on channel %d\n", e->gen.channel);
break;
case UC_EVENT_PROCEEDING:
printf("-- Proceeding on channel %d\n", e->gen.channel);
break;
case UC_EVENT_ACCEPTED:
printf("-- Accepted on channel %d\n", e->gen.channel);
if (uc_call_control(uc, UC_OP_ANSWERCALL, e->gen.crn, (void *) -1))
fprintf(stderr, "Answer Call failed\n");
/*endif*/
break;
case UC_EVENT_DETECTED:
printf("-- Detected on channel %d\n", e->gen.channel);
break;
case UC_EVENT_MOREDIGITS:
printf("-- More digits on channel %d, CRN %d (ANI: %s, DNIS: %s)\n", e->offered.channel, e->offered.crn, e->offered.parms.originating_number, e->offered.parms.destination_number);
break;
case UC_EVENT_ALERTING:
printf("-- Alerting on channel %d\n", e->gen.channel);
/* This is just a notification of call progress. We need take no action at this point. */
break;
case UC_EVENT_FARDISCONNECTED:
printf("-- Far end disconnected on channel %d\n", e->fardisconnected.channel);
/* Kill any outstanding audio processing */
uc_set_channel_read_callback(uc, 0, NULL, 0);
uc_set_channel_write_callback(uc, 0, NULL, 0);
if (uc_call_control(uc, UC_OP_DROPCALL, e->fardisconnected.crn, (void *) UC_CAUSE_NORMAL_CLEARING))
fprintf(stderr, "C Drop Call failed\n");
/*endif*/
break;
case UC_EVENT_DROPCALL:
printf("-- Drop call on channel %d\n", e->gen.channel);
if (uc_call_control(uc, UC_OP_RELEASECALL, e->gen.crn, NULL))
fprintf(stderr, "uc_ReleaseCall failed\n");
/*endif*/
break;
case UC_EVENT_RELEASECALL:
printf("-- Released on channel %d\n", e->gen.channel);
if (caller_mode)
initiate_call(uc, chan, e);
/*endif*/
break;
case UC_EVENT_OFFERED:
printf("-- Offered on channel %d, CRN %d (ANI: %s, DNIS: %s)\n", e->offered.channel, e->offered.crn, e->offered.parms.originating_number, e->offered.parms.destination_number);
if (!caller_mode)
{
switch (chan_stuff[chan].cause)
{
case 0:
if (uc_call_control(uc, UC_OP_ACCEPTCALL, e->offered.crn, (void *) -1))
fprintf(stderr, "uc_AcceptCall failed\n");
/*endif*/
chan_stuff[chan].crn = e->offered.crn;
break;
case 1:
if (uc_call_control(uc, UC_OP_ANSWERCALL, e->offered.crn, (void *) -1))
fprintf(stderr, "uc_AnswerCall failed\n");
/*endif*/
chan_stuff[chan].crn = e->offered.crn;
break;
case 2:
if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_USER_BUSY))
fprintf(stderr, "E Drop Call failed\n");
/*endif*/
break;
case 3:
if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_UNASSIGNED_NUMBER))
fprintf(stderr, "F Drop Call failed\n");
/*endif*/
break;
case 4:
if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NETWORK_CONGESTION))
fprintf(stderr, "G Drop Call failed\n");
/*endif*/
break;
case 5:
if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_DEST_OUT_OF_ORDER))
fprintf(stderr, "H Drop Call failed\n");
/*endif*/
break;
}
/*endswitch*/
if (++chan_stuff[chan].cause > 5)
chan_stuff[chan].cause = 0;
/*endif*/
}
/*endif*/
break;
case UC_EVENT_ANSWERED:
printf("-- Answered on channel %d\n", e->gen.channel);
uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan);
printf("XXX read callback set\n");
uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan);
printf("XXX write callback set\n");
t30_init(&(chan_stuff[chan].fax), FALSE, uc);
t30_set_local_ident(&(chan_stuff[chan].fax), "12345678");
t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif");
//t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif");
t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan]));
t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan]));
t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan]));
t30_set_flush_handler(&(chan_stuff[chan].fax), flush_handler, &(chan_stuff[chan]));
printf("XXX FAX inited\n");
dtmf_rx_init(&chan_stuff[chan].dtmf_state, NULL, NULL);
printf("XXX DTMF inited\n");
break;
case UC_EVENT_CONNECTED:
printf("-- Connected on channel %d\n", e->gen.channel);
uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan);
printf("XXX read callback set\n");
uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan);
printf("XXX write callback set\n");
t30_init(&(chan_stuff[chan].fax), TRUE, uc);
t30_set_local_ident(&(chan_stuff[chan].fax), "87654321");
t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif");
//t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif");
t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan]));
t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan]));
t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan]));
printf("XXX FAX inited\n");
#if 0
if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NORMAL_CLEARING))
printf ("I Drop Call failed\n");
/*endif*/
#endif
break;
default:
fprintf(stderr, "--!! Unknown signaling event %d\n", e->e);
break;
}
/*endswitch*/
}
int main(int argc, char *argv[])
{
int16_t silence[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_b[SAMPLES_PER_CHUNK];
int16_t t30_amp_b[SAMPLES_PER_CHUNK];
int16_t out_amp[SAMPLES_PER_CHUNK*4];
int t30_len_a;
int t38_len_a;
int t38_len_b;
int t30_len_b;
int log_audio;
int msg_len;
uint8_t msg[1024];
int outframes;
AFfilesetup filesetup;
AFfilehandle wave_handle;
int use_ecm;
int use_tep;
int use_transmit_on_idle;
int t38_version;
const char *input_file_name;
int i;
int seq_no;
int model_no;
int speed_pattern_no;
double tx_when;
double rx_when;
int use_gui;
int opt;
log_audio = FALSE;
use_ecm = FALSE;
t38_version = 1;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
model_no = 0;
speed_pattern_no = 1;
use_gui = FALSE;
use_tep = FALSE;
use_transmit_on_idle = TRUE;
while ((opt = getopt(argc, argv, "egi:Ilm:s:tv:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = TRUE;
break;
case 'g':
use_gui = TRUE;
break;
case 'i':
input_file_name = optarg;
break;
case 'I':
simulate_incrementing_repeats = TRUE;
break;
case 'l':
log_audio = TRUE;
break;
case 'm':
model_no = optarg[0] - 'A' + 1;
break;
case 's':
speed_pattern_no = atoi(optarg);
break;
case 't':
use_tep = TRUE;
break;
case 'v':
t38_version = atoi(optarg);
break;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 4);
if ((wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
srand48(0x1234567);
if ((path_a_to_b = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if (fax_init(&fax_state_a, TRUE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_a, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_a, use_tep);
//t30_set_supported_modems(&(fax_state_a.t30_state), T30_SUPPORT_V27TER | T30_SUPPORT_V29);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_local_nsf(&fax_state_a.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_a, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_a, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_a, FALSE);
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_gateway_init(&t38_state_b, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_b, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_b, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_b, FALSE);
t38_set_t38_version(&t38_state_b.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_b, use_ecm);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
memset(t38_amp_b, 0, sizeof(t38_amp_b));
if (fax_init(&fax_state_b, FALSE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_b, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_b, use_tep);
t30_set_local_ident(&fax_state_b.t30_state, "22222222");
t30_set_rx_file(&fax_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&fax_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&fax_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&fax_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_local_nsf(&fax_state_b.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.logging, "FAX-B ");
span_log_set_level(&fax_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.t30_state.logging, "FAX-B ");
memset(t30_amp_b, 0, sizeof(t30_amp_b));
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[i*4] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[i*4 + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
t30_len_b = fax_tx(&fax_state_b, t30_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_b < SAMPLES_PER_CHUNK)
{
memset(t30_amp_b + t30_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_b));
t30_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_b; i++)
out_amp[i*4 + 3] = t30_amp_b[i];
}
if (t38_gateway_rx(&t38_state_b, t30_amp_b, t30_len_b))
break;
t38_len_b = t38_gateway_tx(&t38_state_b, t38_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_b < SAMPLES_PER_CHUNK)
{
memset(t38_amp_b + t38_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_b));
t38_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_b; i++)
out_amp[i*4 + 2] = t38_amp_b[i];
}
if (fax_rx(&fax_state_b, t38_amp_b, SAMPLES_PER_CHUNK))
break;
when += 0.02;
while ((msg_len = g1050_get(path_a_to_b, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
{
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_rx(seq_no, tx_when, rx_when);
#endif
t38_core_rx_ifp_packet(&t38_state_b.t38, msg, msg_len, seq_no);
}
while ((msg_len = g1050_get(path_b_to_a, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
{
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_rx(seq_no, tx_when, rx_when);
#endif
t38_core_rx_ifp_packet(&t38_state_a.t38, msg, msg_len, seq_no);
}
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
int main(int argc, char *argv[])
{
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t38_len_a;
int t30_len_a;
int msg_len;
uint8_t msg[1024];
int log_audio;
int outframes;
int t38_version;
int use_ecm;
AFfilesetup filesetup;
AFfilehandle wave_handle;
const char *input_file_name;
int i;
int seq_no;
log_audio = FALSE;
t38_version = 1;
use_ecm = FALSE;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-e") == 0)
{
use_ecm = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
i++;
input_file_name = argv[i];
continue;
}
if (strcmp(argv[i], "-I") == 0)
{
simulate_incrementing_repeats = TRUE;
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_audio = TRUE;
continue;
}
if (strcmp(argv[i], "-v") == 0)
{
i++;
t38_version = atoi(argv[i]);
continue;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup);
if (wave_handle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
fax_init(&fax_state_a, TRUE);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_ecm_control(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_b.t38, t38_version);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
t30_set_local_ident(&t38_state_b.t30_state, "22222222");
t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK);
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[2*i] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[2*i + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
void client_run(int client_socket, char *local_ip, int local_port, char *remote_ip, int remote_port)
{
char sendbuf[RCVBUFSIZE], recvbuf[RCVBUFSIZE], infobuf[RCVBUFSIZE];
struct sockaddr_in addr = {0}, sendaddr = {0};
int read_bytes;
int usock;
int reuse_addr = 1;
fax_state_t fax;
char tmp[512], fn[512], *file_name = "/tmp/test.tiff";
int send_fax = FALSE;
int g711 = 0;
int pcmu = 0;
snprintf(sendbuf, sizeof(sendbuf), "connect\n\n");
send(client_socket, sendbuf, strlen(sendbuf), 0);
if ((read_bytes = recv(client_socket, infobuf, sizeof(infobuf), 0)) < 0) {
die("recv() failed");
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", infobuf);
#endif
if (cheezy_get_var(infobuf, "Channel-Read-Codec-Name", tmp, sizeof(tmp))) {
if (!strcasecmp(tmp, "pcmu")) {
g711 = 1;
pcmu = 1;
} else if (!strcasecmp(tmp, "pcma")) {
g711 = 1;
}
}
snprintf(sendbuf, sizeof(sendbuf), "sendmsg\n"
"call-command: unicast\n"
"local-ip: %s\n"
"local-port: %d\n"
"remote-ip: %s\n"
"remote-port: %d\n"
"transport: udp\n"
"%s"
"\n",
local_ip, local_port,
remote_ip, remote_port,
g711 ? "flags: native\n" : ""
);
if (cheezy_get_var(infobuf, "variable_fax_file_name", fn, sizeof(fn))) {
file_name = fn;
}
if (cheezy_get_var(infobuf, "variable_fax_mode", tmp, sizeof(tmp))) {
if (!strcasecmp(tmp, "send")) {
send_fax = TRUE;
}
}
if (cheezy_get_var(infobuf, "variable_fax_preexec", tmp, sizeof(tmp))) {
set_vars(infobuf);
system(tmp);
}
#if SOCKET2ME_DEBUG
printf("SEND: [%s]\n", sendbuf);
#endif
send(client_socket, sendbuf, strlen(sendbuf), 0);
memset(recvbuf, 0, sizeof(recvbuf));
if ((read_bytes = recv(client_socket, recvbuf, sizeof(recvbuf), 0)) < 0) {
die("recv() failed");
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", recvbuf);
#endif
if ((usock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
die("socket() failed");
}
setsockopt(usock, SOL_SOCKET, SO_REUSEADDR, &reuse_addr, sizeof(reuse_addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
/*addr.sin_addr.s_addr = inet_addr(remote_ip);*/
addr.sin_port = htons(remote_port);
sendaddr.sin_family = AF_INET;
sendaddr.sin_addr.s_addr = inet_addr(local_ip);
sendaddr.sin_port = htons(local_port);
if (bind(usock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
die("bind() failed");
}
printf("%s Fax filename: [%s] from %s:%d -> %s:%d\n", send_fax ? "Sending" : "Receiving", file_name, local_ip, local_port, remote_ip, remote_port);
fax_init(&fax, send_fax);
t30_set_local_ident(&fax.t30_state, "Socket 2 ME");
t30_set_header_info(&fax.t30_state, "Socket 2 ME");
if (send_fax) {
t30_set_tx_file(&fax.t30_state, file_name, -1, -1);
} else {
t30_set_rx_file(&fax.t30_state, file_name, -1);
}
t30_set_phase_b_handler(&fax.t30_state, phase_b_handler, NULL);
t30_set_phase_d_handler(&fax.t30_state, phase_d_handler, NULL);
t30_set_phase_e_handler(&fax.t30_state, phase_e_handler, NULL);
t30_set_document_handler(&fax.t30_state, document_handler, NULL);
t30_set_ecm_capability(&fax.t30_state, TRUE);
t30_set_supported_compressions(&fax.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
t30_set_supported_image_sizes(&fax.t30_state, T30_SUPPORT_US_LETTER_LENGTH | T30_SUPPORT_US_LEGAL_LENGTH | T30_SUPPORT_UNLIMITED_LENGTH
| T30_SUPPORT_215MM_WIDTH | T30_SUPPORT_255MM_WIDTH | T30_SUPPORT_303MM_WIDTH);
t30_set_supported_resolutions(&fax.t30_state, T30_SUPPORT_STANDARD_RESOLUTION | T30_SUPPORT_FINE_RESOLUTION | T30_SUPPORT_SUPERFINE_RESOLUTION
| T30_SUPPORT_R8_RESOLUTION | T30_SUPPORT_R16_RESOLUTION);
for (;;) {
struct sockaddr_in local_addr = {0};
size_t cliAddrLen = sizeof(local_addr);
unsigned char audiobuf[1024], rawbuf[1024], outbuf[1024];
short *usebuf = NULL;
int tx, tx_bytes, bigger, sample_count;
fd_set ready;
FD_ZERO(&ready);
FD_SET(usock, &ready);
FD_SET(client_socket, &ready);
bigger = usock > client_socket ? usock : client_socket;
select(++bigger, &ready, NULL, NULL, NULL);
if (FD_ISSET(client_socket, &ready)) {
memset(recvbuf, 0, sizeof(recvbuf));
if ((read_bytes = recv(client_socket, recvbuf, sizeof(recvbuf), 0)) < 0) {
die("recv() failed");
}
if (read_bytes == 0) {
break;
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", recvbuf);
#endif
}
if (!FD_ISSET(usock, &ready)) {
continue;
}
if ((read_bytes = recvfrom(usock, audiobuf, sizeof(audiobuf), 0, (struct sockaddr *) &local_addr, &cliAddrLen)) < 0) {
die("recvfrom() failed");
}
if (g711) {
int i;
short *rp = (short *) rawbuf;
for (i = 0; i < read_bytes; i++) {
if (pcmu) {
rp[i] = ulaw_to_linear(audiobuf[i]);
} else {
rp[i] = alaw_to_linear(audiobuf[i]);
}
}
usebuf = rp;
sample_count = read_bytes;
} else {
usebuf = (short *) audiobuf;
sample_count = read_bytes / 2;
}
fax_rx(&fax, usebuf, sample_count);
#if SOCKET2ME_DEBUG
printf("Handling client %s:%d %d bytes\n", inet_ntoa(local_addr.sin_addr), ntohs(local_addr.sin_port), read_bytes);
#endif
if ((tx = fax_tx(&fax, (short *)outbuf, sample_count)) < 0) {
printf("Fax Error\n");
break;
} else if (!tx) {
continue;
}
if (g711) {
int i;
short *bp = (short *) outbuf;
for (i = 0; i < tx; i++) {
if (pcmu) {
rawbuf[i] = linear_to_ulaw(bp[i]);
} else {
rawbuf[i] = linear_to_alaw(bp[i]);
}
}
usebuf = (short *) rawbuf;
tx_bytes = tx;
} else {
usebuf = (short *)outbuf;
tx_bytes = tx * 2;
}
cliAddrLen = sizeof(sendaddr);
if (sendto(usock, usebuf, tx_bytes, 0, (struct sockaddr *) &sendaddr, sizeof(sendaddr)) != tx_bytes) {
die("sendto() sent a different number of bytes than expected");
}
}
close(client_socket);
close(usock);
t30_terminate(&fax.t30_state);
fax_release(&fax);
if (cheezy_get_var(infobuf, "variable_fax_postexec", tmp, sizeof(tmp))) {
set_vars(infobuf);
system(tmp);
}
printf("Done\n");
snprintf(sendbuf, sizeof(sendbuf), "hangup\n\n");
send(client_socket, sendbuf, strlen(sendbuf), 0);
}
int main(int argc, char *argv[])
{
int i;
int k;
int outframes;
fax_state_t fax_state;
int16_t t30_amp[SAMPLES_PER_CHUNK];
int16_t t31_amp[SAMPLES_PER_CHUNK];
int16_t silence[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t30_len;
int t31_len;
AFfilesetup filesetup;
AFfilehandle wave_handle;
AFfilehandle in_handle;
int log_audio;
int test_sending;
int fast_send;
int fast_blocks;
uint8_t fast_buf[1000];
decode_test_file = NULL;
log_audio = FALSE;
test_sending = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-d") == 0)
{
decode_test_file = argv[++i];
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_audio = TRUE;
continue;
}
if (strcmp(argv[i], "-r") == 0)
{
test_sending = FALSE;
continue;
}
if (strcmp(argv[i], "-s") == 0)
{
test_sending = TRUE;
continue;
}
}
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
if ((wave_handle = afOpenFile(OUTPUT_WAVE_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
in_handle = NULL;
if (decode_test_file)
{
if ((in_handle = afOpenFile(decode_test_file, "r", NULL)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", decode_test_file);
exit(2);
}
}
if (test_sending)
{
fax_init(&fax_state, FALSE);
t30_set_rx_file(&fax_state.t30_state, OUTPUT_FILE_NAME, -1);
fax_test_seq = fax_send_test_seq;
countdown = 0;
}
else
{
fax_init(&fax_state, TRUE);
t30_set_tx_file(&fax_state.t30_state, INPUT_FILE_NAME, -1, -1);
fax_test_seq = fax_receive_test_seq;
countdown = 250;
}
t30_set_local_ident(&fax_state.t30_state, "11111111");
t30_set_phase_b_handler(&fax_state.t30_state, phase_b_handler, (void *) 0);
t30_set_phase_d_handler(&fax_state.t30_state, phase_d_handler, (void *) 0);
t30_set_phase_e_handler(&fax_state.t30_state, phase_e_handler, (void *) 0);
memset(t30_amp, 0, sizeof(t30_amp));
span_log_set_level(&fax_state.t30_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&fax_state.t30_state.logging, "YYY");
span_log_set_level(&fax_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&fax_state.logging, "YYY");
if (t31_init(&t31_state, at_tx_handler, NULL, modem_call_control, NULL, NULL, NULL) == NULL)
{
fprintf(stderr, " Cannot start the FAX modem\n");
exit(2);
}
span_log_set_level(&t31_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&t31_state.logging, "XXX");
fast_send = FALSE;
fast_blocks = 0;
kick = TRUE;
while (!done)
{
if (kick)
{
kick = FALSE;
if (fax_test_seq[test_seq_ptr].command > (const char *) 1)
{
if (fax_test_seq[test_seq_ptr].command[0])
{
printf("%s\n", fax_test_seq[test_seq_ptr].command);
t31_at_rx(&t31_state, fax_test_seq[test_seq_ptr].command, fax_test_seq[test_seq_ptr].len_command);
}
}
else
{
printf("Fast send\n");
fast_send = TRUE;
fast_blocks = 100;
}
}
if (fast_send)
{
/* Send fast modem data */
memset(fast_buf, 0, 36);
if (fast_blocks == 1)
{
/* Insert EOLs */
fast_buf[35] = ETX;
fast_buf[34] = DLE;
fast_buf[31] =
fast_buf[28] =
fast_buf[25] =
fast_buf[22] =
fast_buf[19] =
fast_buf[16] = 1;
}
t31_at_rx(&t31_state, (char *) fast_buf, 36);
if (--fast_blocks == 0)
fast_send = FALSE;
}
t30_len = fax_tx(&fax_state, t30_amp, SAMPLES_PER_CHUNK);
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len < SAMPLES_PER_CHUNK)
{
memset(t30_amp + t30_len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len));
t30_len = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (k = 0; k < t30_len; k++)
out_amp[2*k] = t30_amp[k];
}
if (t31_rx(&t31_state, t30_amp, t30_len))
break;
if (countdown)
{
if (answered)
{
countdown = 0;
t31_call_event(&t31_state, AT_CALL_EVENT_ANSWERED);
}
else if (--countdown == 0)
{
t31_call_event(&t31_state, AT_CALL_EVENT_ALERTING);
countdown = 250;
}
}
t31_len = t31_tx(&t31_state, t31_amp, SAMPLES_PER_CHUNK);
if (t31_len < SAMPLES_PER_CHUNK)
{
memset(t31_amp + t31_len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t31_len));
t31_len = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (k = 0; k < t31_len; k++)
out_amp[2*k + 1] = t31_amp[k];
}
if (fax_rx(&fax_state, t31_amp, SAMPLES_PER_CHUNK))
break;
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
}
if (decode_test_file)
{
if (afCloseFile(in_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", decode_test_file);
exit(2);
}
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (done)
{
printf("Tests passed\n");
}
return 0;
}