static int t30_tests(int log_audio, int test_sending)
{
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;
SNDFILE *wave_handle;
SNDFILE *in_handle;
int fast_send;
int fast_send_tcf;
int fast_blocks;
uint8_t fast_buf[1000];
t30_state_t *t30;
logging_state_t *logging;
int i;
wave_handle = NULL;
if (log_audio)
{
if ((wave_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
in_handle = NULL;
if (decode_test_file)
{
if ((in_handle = sf_open_telephony_read(decode_test_file, 1)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", decode_test_file);
exit(2);
}
}
if ((t31_state = t31_init(NULL, at_tx_handler, NULL, modem_call_control, NULL, NULL, NULL)) == NULL)
{
fprintf(stderr, " Cannot start the T.31 FAX modem\n");
exit(2);
}
logging = t31_get_logging_state(t31_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
if (test_sending)
{
fax_state = fax_init(NULL, FALSE);
t30 = fax_get_t30_state(fax_state);
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
fax_test_seq = fax_send_test_seq;
countdown = 0;
}
else
{
fax_state = fax_init(NULL, TRUE);
t30 = fax_get_t30_state(fax_state);
t30_set_tx_file(t30, INPUT_FILE_NAME, -1, -1);
fax_test_seq = fax_receive_test_seq;
countdown = 250;
}
t30_set_tx_ident(t30, "11111111");
t30_set_supported_modems(t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) 'A');
memset(t30_amp, 0, sizeof(t30_amp));
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX");
logging = fax_get_logging_state(fax_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX");
fast_send = FALSE;
fast_send_tcf = TRUE;
fast_blocks = 0;
kick = TRUE;
while (!done)
{
if (kick)
{
kick = FALSE;
if (fax_test_seq[test_seq_ptr].command > (const char *) 2)
{
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
{
if (fax_test_seq[test_seq_ptr].command == (const char *) 2)
{
printf("Fast send TCF\n");
fast_send = TRUE;
fast_send_tcf = TRUE;
fast_blocks = 100;
}
else
{
printf("Fast send image\n");
fast_send = TRUE;
fast_send_tcf = FALSE;
fast_blocks = 100;
}
}
}
if (fast_send)
{
/* Send fast modem data */
if (fast_send_tcf)
{
memset(fast_buf, 0, 36);
}
else
{
if (fast_blocks == 1)
{
/* Create the end of page condition */
for (i = 0; i < 36; i += 2)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x80;
}
}
else
{
/* Create a chunk of white page */
for (i = 0; i < 36; i += 4)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x80;
fast_buf[i + 2] = 0xB2;
fast_buf[i + 3] = 0x01;
}
}
}
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;
logging = fax_get_logging_state(fax_state);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = t31_get_logging_state(t31_state);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
if (log_audio)
{
outframes = sf_writef_short(wave_handle, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
}
if (decode_test_file)
{
if (sf_close_telephony(in_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", decode_test_file);
exit(2);
}
}
if (log_audio)
{
if (sf_close_telephony(wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
return 0;
}
static int t38_tests(int use_gui, int test_sending, int model_no, int speed_pattern_no)
{
t38_terminal_state_t *t38_state;
int fast_send;
int fast_send_tcf;
int fast_blocks;
uint8_t fast_buf[1000];
int msg_len;
uint8_t msg[1024];
int t38_version;
int without_pacing;
int use_tep;
int seq_no;
double tx_when;
double rx_when;
t30_state_t *t30;
t38_core_state_t *t38_core;
logging_state_t *logging;
int i;
t38_version = 1;
without_pacing = FALSE;
use_tep = FALSE;
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 ((t31_state = t31_init(NULL, at_tx_handler, NULL, modem_call_control, NULL, t31_tx_packet_handler, NULL)) == NULL)
{
fprintf(stderr, " Cannot start the T.31 T.38 modem\n");
exit(2);
}
logging = t31_get_logging_state(t31_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
t38_core = t31_get_t38_core_state(t31_state);
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
span_log_set_level(&t31_state->at_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t31_state->at_state.logging, "T.31");
t31_set_mode(t31_state, TRUE);
t38_set_t38_version(t38_core, t38_version);
if (test_sending)
{
if ((t38_state = t38_terminal_init(NULL, FALSE, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
fax_test_seq = fax_send_test_seq;
countdown = 0;
}
else
{
if ((t38_state = t38_terminal_init(NULL, TRUE, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
t30_set_tx_file(t30, INPUT_FILE_NAME, -1, -1);
fax_test_seq = fax_receive_test_seq;
countdown = 250;
}
t30 = t38_terminal_get_t30_state(t38_state);
t38_core = t38_terminal_get_t38_core_state(t38_state);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_state, without_pacing);
t38_terminal_set_tep_mode(t38_state, use_tep);
t30_set_tx_ident(t30, "11111111");
t30_set_supported_modems(t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17);
//t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) 'A');
logging = t38_terminal_get_logging_state(t38_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
t38_core = t38_terminal_get_t38_core_state(t38_state);
span_log_set_level(&t38_core->logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_core->logging, "T.38");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
fast_send = FALSE;
fast_send_tcf = TRUE;
fast_blocks = 0;
kick = TRUE;
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
while (!done)
{
logging = t38_terminal_get_logging_state(t38_state);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t30 = t38_terminal_get_t30_state(t38_state);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = t31_get_logging_state(t31_state);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t31_get_t38_core_state(t31_state);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t31_state->at_state.logging, SAMPLES_PER_CHUNK);
t38_terminal_send_timeout(t38_state, SAMPLES_PER_CHUNK);
t31_t38_send_timeout(t31_state, SAMPLES_PER_CHUNK);
when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
if (kick)
{
kick = FALSE;
if (fax_test_seq[test_seq_ptr].command > (const char *) 2)
{
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
{
if (fax_test_seq[test_seq_ptr].command == (const char *) 2)
{
printf("Fast send TCF\n");
fast_send = TRUE;
fast_send_tcf = TRUE;
fast_blocks = 100;
}
else
{
printf("Fast send image\n");
fast_send = TRUE;
fast_send_tcf = FALSE;
fast_blocks = 100;
}
}
}
if (fast_send)
{
/* Send fast modem data */
if (fast_send_tcf)
{
memset(fast_buf, 0, 36);
}
else
{
if (fast_blocks == 1)
{
/* Create the end of page condition */
for (i = 0; i < 36; i += 2)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x80;
}
}
else
{
/* Create a chunk of white page */
for (i = 0; i < 36; i += 4)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x80;
fast_buf[i + 2] = 0xB2;
fast_buf[i + 3] = 0x01;
}
}
}
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;
}
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;
}
}
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 = t31_get_t38_core_state(t31_state);
t38_core_rx_ifp_packet(t38_core, 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 = t38_terminal_get_t38_core_state(t38_state);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
t38_terminal_release(t38_state);
return 0;
}
static int t30_tests(int t38_mode, int use_ecm, int use_gui, int log_audio, int test_sending, int g1050_model_no, int g1050_speed_pattern_no)
{
t38_terminal_state_t *t38_state;
fax_state_t *fax_state;
uint8_t msg[1024];
char buf[1024];
int len;
int msg_len;
int t30_len;
int t31_len;
int t38_version;
int without_pacing;
int use_tep;
int seq_no;
double tx_when;
double rx_when;
t30_state_t *t30;
t38_core_state_t *t38_core;
logging_state_t *logging;
int k;
int outframes;
int ret;
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];
SNDFILE *wave_handle;
SNDFILE *in_handle;
at_state_t *at_state;
#if defined(WIN32)
DWORD read_bytes;
OVERLAPPED o;
#endif
/* Test the T.31 modem against the full FAX machine in spandsp */
/* Set up the test environment */
t38_version = 1;
without_pacing = FALSE;
use_tep = FALSE;
wave_handle = NULL;
if (log_audio)
{
if ((wave_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
in_handle = NULL;
if (decode_test_file)
{
if ((in_handle = sf_open_telephony_read(decode_test_file, 1)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", decode_test_file);
exit(2);
}
}
srand48(0x1234567);
if ((path_a_to_b = g1050_init(g1050_model_no, g1050_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(g1050_model_no, g1050_speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
t38_state = NULL;
fax_state = NULL;
if (test_sending)
{
if (t38_mode)
{
if ((t38_state = t38_terminal_init(NULL, FALSE, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
}
else
{
fax_state = fax_init(NULL, FALSE);
t30 = fax_get_t30_state(fax_state);
}
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
countdown = 0;
}
else
{
if (t38_mode)
{
if ((t38_state = t38_terminal_init(NULL, TRUE, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
}
else
{
fax_state = fax_init(NULL, TRUE);
t30 = fax_get_t30_state(fax_state);
}
t30_set_tx_file(t30, INPUT_FILE_NAME, -1, -1);
countdown = 250;
}
t30_set_ecm_capability(t30, use_ecm);
if (t38_mode)
{
t38_core = t38_terminal_get_t38_core_state(t38_state);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_state, without_pacing);
t38_terminal_set_tep_mode(t38_state, use_tep);
}
t30_set_tx_ident(t30, "11111111");
t30_set_supported_modems(t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17);
//t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) 'A');
if (t38_mode)
logging = t38_terminal_get_logging_state(t38_state);
else
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, (t38_mode) ? "T.38" : "FAX");
if (t38_mode)
{
t38_core = t38_terminal_get_t38_core_state(t38_state);
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
}
else
{
logging = fax_get_logging_state(fax_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX");
}
memset(silence, 0, sizeof(silence));
memset(t30_amp, 0, sizeof(t30_amp));
/* Now set up and run the T.31 modem */
if ((t31_state = t31_init(NULL, at_tx_handler, &modem[0], t31_call_control, &modem[0], t31_tx_packet_handler, NULL)) == NULL)
{
fprintf(stderr, " Cannot start the T.31 modem\n");
exit(2);
}
at_state = t31_get_at_state(t31_state);
logging = t31_get_logging_state(t31_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
logging = at_get_logging_state(at_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
if (t38_mode)
{
t38_core = t31_get_t38_core_state(t31_state);
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
t31_set_mode(t31_state, TRUE);
t38_set_t38_version(t38_core, t38_version);
}
at_reset_call_info(at_state);
at_set_call_info(at_state, "DATE", "1231");
at_set_call_info(at_state, "TIME", "1200");
at_set_call_info(at_state, "NAME", "Name");
at_set_call_info(at_state, "NMBR", "123456789");
at_set_call_info(at_state, "ANID", "987654321");
at_set_call_info(at_state, "USER", "User");
at_set_call_info(at_state, "CDID", "234567890");
at_set_call_info(at_state, "NDID", "345678901");
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
while (!done)
{
/* Deal with call setup, through the AT interface. */
if (test_sending)
{
}
else
{
if (answered == 0)
{
if (--countdown == 0)
{
t31_call_event(t31_state, AT_CALL_EVENT_ALERTING);
countdown = 250;
}
}
else if (answered == 1)
{
printf("ZZZ\n");
answered = 2;
t31_call_event(t31_state, AT_CALL_EVENT_ANSWERED);
}
}
ret = modem_wait_sock(modem[0].master, 20, MODEM_POLL_READ);
if ((ret & MODEM_POLL_READ))
{
#if defined(WIN32)
o.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
/* Initialize the rest of the OVERLAPPED structure to zero. */
o.Internal = 0;
o.InternalHigh = 0;
o.Offset = 0;
o.OffsetHigh = 0;
assert(o.hEvent);
if (!ReadFile(modem->master, buf, avail, &read_bytes, &o))
GetOverlappedResult(modem->master, &o, &read_bytes, TRUE);
CloseHandle (o.hEvent);
if ((len = read_bytes))
#else
if ((len = read(modem[0].master, buf, 1024)))
#endif
{
int i;
printf("YYY %d - ", len);
for (i = 0; i < len; i++)
printf(" 0x%02x", buf[i] & 0xFF);
printf("\n");
t31_at_rx(t31_state, buf, len);
}
}
if (answered == 2)
{
if (t38_mode)
{
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 = t31_get_t38_core_state(t31_state);
t38_core_rx_ifp_packet(t38_core, 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 = t38_terminal_get_t38_core_state(t38_state);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
/* Bump the G.1050 models along */
when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
/* Bump things along on the t38_terminal side */
span_log_bump_samples(t38_terminal_get_logging_state(t38_state), SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state);
span_log_bump_samples(t38_core_get_logging_state(t38_core), SAMPLES_PER_CHUNK);
t38_terminal_send_timeout(t38_state, SAMPLES_PER_CHUNK);
t31_t38_send_timeout(t31_state, SAMPLES_PER_CHUNK);
}
else
{
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;
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 = sf_writef_short(wave_handle, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
/* Bump things along on the FAX machine side */
span_log_bump_samples(fax_get_logging_state(fax_state), SAMPLES_PER_CHUNK);
}
/* Bump things along on the FAX machine side */
span_log_bump_samples(t30_get_logging_state(t30), SAMPLES_PER_CHUNK);
/* Bump things along on the T.31 modem side */
t38_core = t31_get_t38_core_state(t31_state);
span_log_bump_samples(t38_core_get_logging_state(t38_core), SAMPLES_PER_CHUNK);
span_log_bump_samples(t31_get_logging_state(t31_state), SAMPLES_PER_CHUNK);
span_log_bump_samples(at_get_logging_state(t31_get_at_state(t31_state)), SAMPLES_PER_CHUNK);
}
}
if (t38_mode)
t38_terminal_release(t38_state);
if (decode_test_file)
{
if (sf_close_telephony(in_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", decode_test_file);
exit(2);
}
}
if (log_audio)
{
if (sf_close_telephony(wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
if (!done)
{
printf("Tests failed\n");
return 2;
}
return 0;
}
static int t30_tests(int t38_mode, int use_gui, int log_audio, int test_sending, int g1050_model_no, int g1050_speed_pattern_no)
{
t38_terminal_state_t *t38_state;
fax_state_t *fax_state;
int fast_send;
int fast_send_tcf;
int fast_blocks;
int msg_len;
int t30_len;
int t31_len;
int t38_version;
int without_pacing;
int use_tep;
int seq_no;
int i;
int k;
int outframes;
uint8_t fast_buf[1000];
uint8_t msg[1024];
double tx_when;
double rx_when;
t30_state_t *t30;
t38_core_state_t *t38_core;
logging_state_t *logging;
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];
SNDFILE *wave_handle;
SNDFILE *in_handle;
/* Test the T.31 modem against the full FAX machine in spandsp */
/* Set up the test environment */
t38_version = 1;
without_pacing = false;
use_tep = false;
wave_handle = NULL;
if (log_audio)
{
if ((wave_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
in_handle = NULL;
if (decode_test_file)
{
if ((in_handle = sf_open_telephony_read(decode_test_file, 1)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", decode_test_file);
exit(2);
}
}
srand48(0x1234567);
if ((path_a_to_b = g1050_init(g1050_model_no, g1050_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(g1050_model_no, g1050_speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
t38_state = NULL;
fax_state = NULL;
if (test_sending)
{
if (t38_mode)
{
if ((t38_state = t38_terminal_init(NULL, false, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
}
else
{
fax_state = fax_init(NULL, false);
t30 = fax_get_t30_state(fax_state);
}
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
fax_test_seq = fax_send_test_seq;
countdown = 0;
}
else
{
if (t38_mode)
{
if ((t38_state = t38_terminal_init(NULL, true, t38_tx_packet_handler, t31_state)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state);
}
else
{
fax_state = fax_init(NULL, true);
t30 = fax_get_t30_state(fax_state);
}
t30_set_tx_file(t30, INPUT_FILE_NAME, -1, -1);
fax_test_seq = fax_receive_test_seq;
countdown = 250;
}
if (t38_mode)
{
t38_core = t38_terminal_get_t38_core_state(t38_state);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_state, without_pacing);
t38_terminal_set_tep_mode(t38_state, use_tep);
}
t30_set_tx_ident(t30, "11111111");
t30_set_supported_modems(t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17);
//t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) 'A');
if (t38_mode)
logging = t38_terminal_get_logging_state(t38_state);
else
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, (t38_mode) ? "T.38" : "FAX");
if (t38_mode)
{
t38_core = t38_terminal_get_t38_core_state(t38_state);
span_log_set_level(&t38_core->logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_core->logging, "T.38");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
}
else
{
logging = fax_get_logging_state(fax_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX");
}
memset(silence, 0, sizeof(silence));
memset(t30_amp, 0, sizeof(t30_amp));
/* Now set up and run the T.31 modem */
if ((t31_state = t31_init(NULL, at_tx_handler, NULL, modem_call_control, NULL, t31_tx_packet_handler, NULL)) == NULL)
{
fprintf(stderr, " Cannot start the T.31 modem\n");
exit(2);
}
logging = t31_get_logging_state(t31_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
logging = at_get_logging_state(t31_get_at_state(t31_state));
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
if (t38_mode)
{
t38_core = t31_get_t38_core_state(t31_state);
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.31");
t31_set_mode(t31_state, true);
t38_set_t38_version(t38_core, t38_version);
}
fast_send = false;
fast_send_tcf = true;
fast_blocks = 0;
kick = true;
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
while (!done)
{
if (countdown)
{
/* Deal with call setup, through the AT interface. */
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;
}
}
if (kick)
{
/* Work through the script */
kick = false;
if (fax_test_seq[test_seq_ptr].command > (const char *) 2)
{
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
{
if (fax_test_seq[test_seq_ptr].command == (const char *) 2)
{
printf("Fast send TCF\n");
fast_send = true;
fast_send_tcf = true;
fast_blocks = 100;
}
else
{
printf("Fast send image\n");
fast_send = true;
fast_send_tcf = false;
fast_blocks = 100;
}
}
}
if (fast_send)
{
/* Send fast modem data */
if (fast_send_tcf)
{
/* If we are sending TCF, its simply zeros */
memset(fast_buf, 0, 36);
if (fast_blocks == 1)
{
/* Tell the modem this is the end of the TCF data */
fast_buf[34] = DLE;
fast_buf[35] = ETX;
}
}
else
{
/* If we are sending image data, we need to make it look like genuine image data,
with proper EOL and RTC markers. */
if (fast_blocks > 1)
{
/* Create a chunk of white page, 1728 pixels wide. */
for (i = 0; i < 36; i += 4)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x80;
fast_buf[i + 2] = 0xB2;
fast_buf[i + 3] = 0x01;
}
}
else
{
/* Create the end of page condition. */
for (i = 0; i < 36; i += 3)
{
fast_buf[i] = 0x00;
fast_buf[i + 1] = 0x08;
fast_buf[i + 2] = 0x80;
}
/* Tell the modem this is the end of the image data. */
fast_buf[34] = DLE;
fast_buf[35] = ETX;
}
}
t31_at_rx(t31_state, (char *) fast_buf, 36);
if (--fast_blocks == 0)
fast_send = false;
}
if (t38_mode)
{
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 = t31_get_t38_core_state(t31_state);
t38_core_rx_ifp_packet(t38_core, 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 = t38_terminal_get_t38_core_state(t38_state);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
/* Bump the G.1050 models along */
when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
/* Bump things along on the t38_terminal side */
span_log_bump_samples(t38_terminal_get_logging_state(t38_state), SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state);
span_log_bump_samples(t38_core_get_logging_state(t38_core), SAMPLES_PER_CHUNK);
t38_terminal_send_timeout(t38_state, SAMPLES_PER_CHUNK);
t31_t38_send_timeout(t31_state, SAMPLES_PER_CHUNK);
}
else
{
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;
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 = sf_writef_short(wave_handle, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
/* Bump things along on the FAX machine side */
span_log_bump_samples(fax_get_logging_state(fax_state), SAMPLES_PER_CHUNK);
}
/* Bump things along on the FAX machine side */
span_log_bump_samples(t30_get_logging_state(t30), SAMPLES_PER_CHUNK);
/* Bump things along on the T.31 modem side */
t38_core = t31_get_t38_core_state(t31_state);
span_log_bump_samples(t38_core_get_logging_state(t38_core), SAMPLES_PER_CHUNK);
span_log_bump_samples(t31_get_logging_state(t31_state), SAMPLES_PER_CHUNK);
span_log_bump_samples(at_get_logging_state(t31_get_at_state(t31_state)), SAMPLES_PER_CHUNK);
}
if (t38_mode)
t38_terminal_release(t38_state);
if (decode_test_file)
{
if (sf_close_telephony(in_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", decode_test_file);
exit(2);
}
}
if (log_audio)
{
if (sf_close_telephony(wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
if (!done || !sequence_terminated)
{
printf("Tests failed\n");
return -1;
}
return 0;
}
int modem_close(modem_t *modem)
{
int r = 0;
switch_status_t was_running = switch_test_flag(modem, MODEM_FLAG_RUNNING);
switch_clear_flag(modem, MODEM_FLAG_RUNNING);
#ifndef WIN32
if (modem->master > -1) {
shutdown(modem->master, 2);
close(modem->master);
modem->master = -1;
#else
if (modem->master) {
SetEvent(modem->threadAbort);
CloseHandle(modem->threadAbort);
CloseHandle(modem->master);
modem->master = 0;
#endif
r++;
}
if (modem->slave > -1) {
shutdown(modem->slave, 2);
close(modem->slave);
modem->slave = -1;
r++;
}
if (modem->t31_state) {
t31_free(modem->t31_state);
modem->t31_state = NULL;
}
unlink(modem->devlink);
if (was_running) {
switch_mutex_lock(globals.mutex);
globals.REF_COUNT--;
switch_mutex_unlock(globals.mutex);
}
return r;
}
switch_status_t modem_init(modem_t *modem, modem_control_handler_t control_handler)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
#ifdef WIN32
COMMTIMEOUTS timeouts={0};
#endif
memset(modem, 0, sizeof(*modem));
modem->master = -1;
modem->slave = -1;
/* windows will have to try something like:
http://com0com.cvs.sourceforge.net/viewvc/com0com/com0com/ReadMe.txt?revision=RELEASED
*/
#if USE_OPENPTY
if (openpty(&modem->master, &modem->slave, NULL, NULL, NULL)) {
if (modem->master < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to initialize pty\n");
status = SWITCH_STATUS_FALSE;
goto end;
}
modem->stty = ttyname(modem->slave);
#else
#if WIN32
modem->slot = 4+globals.NEXT_ID++; /* need work here we start at COM4 for now*/
snprintf(modem->devlink, sizeof(modem->devlink), "COM%d", modem->slot);
modem->master = CreateFile(modem->devlink,
GENERIC_READ | GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
0);
if(modem->master==INVALID_HANDLE_VALUE) {
status = SWITCH_STATUS_FALSE;
if(GetLastError()==ERROR_FILE_NOT_FOUND) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: Serial port does not exist\n");
goto end;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: Serial port open error\n");
goto end;
}
#elif !defined(HAVE_POSIX_OPENPT)
modem->master = open("/dev/ptmx", O_RDWR);
#else
modem->master = posix_openpt(O_RDWR | O_NOCTTY);
#endif
#ifndef WIN32
if (modem->master < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to initialize UNIX98 master pty\n");
}
if (grantpt(modem->master) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to grant access to slave pty\n");
}
if (unlockpt(modem->master) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to unlock slave pty\n");
}
modem->stty = ptsname(modem->master);
if (modem->stty == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to obtain slave pty filename\n");
}
modem->slave = open(modem->stty, O_RDWR);
if (modem->slave < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to open slave pty %s\n", modem->stty);
}
#endif
#ifdef SOLARIS
ioctl(modem->slave, I_PUSH, "ptem"); /* push ptem */
ioctl(modem->slave, I_PUSH, "ldterm"); /* push ldterm*/
#endif
#endif
#ifndef WIN32
modem->slot = globals.NEXT_ID++;
snprintf(modem->devlink, sizeof(modem->devlink), "/dev/FS%d", modem->slot);
unlink(modem->devlink);
if (symlink(modem->stty, modem->devlink)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Fatal error: failed to create %s symbolic link\n", modem->devlink);
modem_close(modem);
status = SWITCH_STATUS_FALSE;
goto end;
}
if (fcntl(modem->master, F_SETFL, fcntl(modem->master, F_GETFL, 0) | O_NONBLOCK)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot set up non-blocking read on %s\n", ttyname(modem->master));
modem_close(modem);
status = SWITCH_STATUS_FALSE;
goto end;
}
#else
timeouts.ReadIntervalTimeout=50;
timeouts.ReadTotalTimeoutConstant=50;
timeouts.ReadTotalTimeoutMultiplier=10;
timeouts.WriteTotalTimeoutConstant=50;
timeouts.WriteTotalTimeoutMultiplier=10;
SetCommMask(modem->master, EV_RXCHAR);
if(!SetCommTimeouts(modem->master, &timeouts)){
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot set up non-blocking read on %s\n", modem->devlink);
modem_close(modem);
status = SWITCH_STATUS_FALSE;
goto end;
}
modem->threadAbort = CreateEvent(NULL, TRUE, FALSE, NULL);
#endif
if (!(modem->t31_state = t31_init(NULL, t31_at_tx_handler, modem, t31_call_control_handler, modem, NULL, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot initialize the T.31 modem\n");
modem_close(modem);
status = SWITCH_STATUS_FALSE;
goto end;
}
if (spandsp_globals.modem_verbose) {
span_log_set_message_handler(&modem->t31_state->logging, spanfax_log_message, NULL);
span_log_set_message_handler(&modem->t31_state->audio.modems.fast_modems.v17_rx.logging, spanfax_log_message, NULL);
span_log_set_message_handler(&modem->t31_state->audio.modems.fast_modems.v29_rx.logging, spanfax_log_message, NULL);
span_log_set_message_handler(&modem->t31_state->audio.modems.fast_modems.v27ter_rx.logging, spanfax_log_message, NULL);
modem->t31_state->logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
modem->t31_state->audio.modems.fast_modems.v17_rx.logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
modem->t31_state->audio.modems.fast_modems.v29_rx.logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
modem->t31_state->audio.modems.fast_modems.v27ter_rx.logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
}
modem->control_handler = control_handler;
modem->flags = 0;
switch_set_flag(modem, MODEM_FLAG_RUNNING);
switch_mutex_init(&modem->mutex, SWITCH_MUTEX_NESTED, globals.pool);
switch_mutex_init(&modem->cond_mutex, SWITCH_MUTEX_NESTED, globals.pool);
switch_thread_cond_create(&modem->cond, globals.pool);
modem_set_state(modem, MODEM_STATE_INIT);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Modem [%s]->[%s] Ready\n", modem->devlink, modem->stty);
switch_mutex_lock(globals.mutex);
globals.REF_COUNT++;
switch_mutex_unlock(globals.mutex);
end:
return status;
}
static switch_endpoint_interface_t *modem_endpoint_interface = NULL;
struct private_object {
switch_mutex_t *mutex;
switch_core_session_t *session;
switch_channel_t *channel;
switch_codec_t read_codec;
switch_codec_t write_codec;
switch_frame_t read_frame;
unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_timer_t timer;
modem_t *modem;
switch_caller_profile_t *caller_profile;
int dead;
};
typedef struct private_object private_t;
static switch_status_t channel_on_init(switch_core_session_t *session);
static switch_status_t channel_on_hangup(switch_core_session_t *session);
static switch_status_t channel_on_destroy(switch_core_session_t *session);
static switch_status_t channel_on_routing(switch_core_session_t *session);
static switch_status_t channel_on_exchange_media(switch_core_session_t *session);
static switch_status_t channel_on_soft_execute(switch_core_session_t *session);
static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags,
switch_call_cause_t *cancel_cause);
static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
/*
State methods they get called when the state changes to the specific state
returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
*/
static switch_status_t channel_on_init(switch_core_session_t *session)
{
switch_channel_t *channel;
private_t *tech_pvt = NULL;
int to_ticks = 60, ring_ticks = 10, rt = ring_ticks;
int rest = 500000;
tech_pvt = switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
switch_assert(channel != NULL);
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
#ifndef WIN32
int tioflags;
#endif
char call_time[16];
char call_date[16];
switch_size_t retsize;
switch_time_exp_t tm;
switch_time_exp_lt(&tm, switch_micro_time_now());
switch_strftime(call_date, &retsize, sizeof(call_date), "%m%d", &tm);
switch_strftime(call_time, &retsize, sizeof(call_time), "%H%M", &tm);
#ifndef WIN32
ioctl(tech_pvt->modem->slave, TIOCMGET, &tioflags);
tioflags |= TIOCM_RI;
ioctl(tech_pvt->modem->slave, TIOCMSET, &tioflags);
#endif
at_reset_call_info(&tech_pvt->modem->t31_state->at_state);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "DATE", call_date);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "TIME", call_time);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "NAME", tech_pvt->caller_profile->caller_id_name);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "NMBR", tech_pvt->caller_profile->caller_id_number);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "ANID", tech_pvt->caller_profile->ani);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "USER", tech_pvt->caller_profile->username);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "CDID", tech_pvt->caller_profile->context);
at_set_call_info(&tech_pvt->modem->t31_state->at_state, "NDID", tech_pvt->caller_profile->destination_number);
modem_set_state(tech_pvt->modem, MODEM_STATE_RINGING);
t31_call_event(tech_pvt->modem->t31_state, AT_CALL_EVENT_ALERTING);
while(to_ticks > 0 && switch_channel_up(channel) && modem_get_state(tech_pvt->modem) == MODEM_STATE_RINGING) {
if (--rt <= 0) {
t31_call_event(tech_pvt->modem->t31_state, AT_CALL_EVENT_ALERTING);
rt = ring_ticks;
}
switch_yield(rest);
to_ticks--;
}
if (to_ticks < 1 || modem_get_state(tech_pvt->modem) != MODEM_STATE_ANSWERED) {
t31_call_event(tech_pvt->modem->t31_state, AT_CALL_EVENT_NO_ANSWER);
switch_channel_hangup(channel, SWITCH_CAUSE_NO_ANSWER);
} else {
t31_call_event(tech_pvt->modem->t31_state, AT_CALL_EVENT_ANSWERED);
modem_set_state(tech_pvt->modem, MODEM_STATE_CONNECTED);
switch_channel_mark_answered(channel);
}
}
switch_channel_set_state(channel, CS_ROUTING);
return SWITCH_STATUS_SUCCESS;
}
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;
}
