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comparison spandsp-0.0.3/spandsp-0.0.3/tests/t38_terminal_to_gateway_tests.c @ 5:f762bf195c4b
import spandsp-0.0.3
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 16:00:21 +0200 |
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4:26cd8f1ef0b1 | 5:f762bf195c4b |
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1 /* | |
2 * SpanDSP - a series of DSP components for telephony | |
3 * | |
4 * t38_terminal_to_gateway_tests.c - Joint tests for the T.38 FoIP terminal and gateway modules. | |
5 * | |
6 * Written by Steve Underwood <steveu@coppice.org> | |
7 * | |
8 * Copyright (C) 2005, 2006 Steve Underwood | |
9 * | |
10 * All rights reserved. | |
11 * | |
12 * This program is free software; you can redistribute it and/or modify | |
13 * it under the terms of the GNU General Public License version 2, as | |
14 * published by the Free Software Foundation. | |
15 * | |
16 * This program is distributed in the hope that it will be useful, | |
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 * GNU General Public License for more details. | |
20 * | |
21 * You should have received a copy of the GNU General Public License | |
22 * along with this program; if not, write to the Free Software | |
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 * | |
25 * $Id: t38_terminal_to_gateway_tests.c,v 1.29 2006/12/09 04:56:20 steveu Exp $ | |
26 */ | |
27 | |
28 /*! \file */ | |
29 | |
30 /*! \page t38_terminal_to_gateway_tests_page T.38 mixed gateway and termination tests | |
31 \section t38_terminal_to_gateway_tests_page_sec_1 What does it do? | |
32 These tests exercise the path | |
33 | |
34 T.38 termination -> T.38 gateway -> FAX machine | |
35 */ | |
36 | |
37 #ifdef HAVE_CONFIG_H | |
38 #include <config.h> | |
39 #endif | |
40 | |
41 #include <inttypes.h> | |
42 #include <stdlib.h> | |
43 #include <stdio.h> | |
44 #include <fcntl.h> | |
45 #include <string.h> | |
46 #if defined(HAVE_TGMATH_H) | |
47 #include <tgmath.h> | |
48 #endif | |
49 #if defined(HAVE_MATH_H) | |
50 #include <math.h> | |
51 #endif | |
52 #include <assert.h> | |
53 #include <errno.h> | |
54 #include <sys/socket.h> | |
55 #include <netinet/in.h> | |
56 #include <netinet/tcp.h> | |
57 #define __USE_MISC | |
58 #include <arpa/inet.h> | |
59 #include <sys/select.h> | |
60 #include <sys/time.h> | |
61 #include <audiofile.h> | |
62 #include <tiffio.h> | |
63 | |
64 #include "spandsp.h" | |
65 | |
66 #include "ip_network_model.h" | |
67 | |
68 #define SAMPLES_PER_CHUNK 160 | |
69 | |
70 #define INPUT_FILE_NAME "../itutests/fax/itutests.tif" | |
71 #define OUTPUT_FILE_NAME "t38.tif" | |
72 #define OUTPUT_FILE_NAME_WAVE "t38_terminal_to_gateway.wav" | |
73 | |
74 t38_terminal_state_t t38_state_a; | |
75 t38_gateway_state_t t38_state_b; | |
76 fax_state_t fax_state_b; | |
77 | |
78 ip_network_model_state_t *path_a_to_b; | |
79 ip_network_model_state_t *path_b_to_a; | |
80 | |
81 int done[2] = {FALSE, FALSE}; | |
82 int succeeded[2] = {FALSE, FALSE}; | |
83 | |
84 static void phase_b_handler(t30_state_t *s, void *user_data, int result) | |
85 { | |
86 int i; | |
87 | |
88 i = (int) (intptr_t) user_data; | |
89 printf("%c: Phase B handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result)); | |
90 } | |
91 /*- End of function --------------------------------------------------------*/ | |
92 | |
93 static void phase_d_handler(t30_state_t *s, void *user_data, int result) | |
94 { | |
95 int i; | |
96 t30_stats_t t; | |
97 char ident[21]; | |
98 | |
99 i = (int) (intptr_t) user_data; | |
100 printf("%c: Phase D handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result)); | |
101 t30_get_transfer_statistics(s, &t); | |
102 printf("%c: Phase D: bit rate %d\n", i, t.bit_rate); | |
103 printf("%c: Phase D: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off"); | |
104 printf("%c: Phase D: pages transferred %d\n", i, t.pages_transferred); | |
105 printf("%c: Phase D: image size %d x %d\n", i, t.width, t.length); | |
106 printf("%c: Phase D: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution); | |
107 printf("%c: Phase D: bad rows %d\n", i, t.bad_rows); | |
108 printf("%c: Phase D: longest bad row run %d\n", i, t.longest_bad_row_run); | |
109 printf("%c: Phase D: coding method %s\n", i, t4_encoding_to_str(t.encoding)); | |
110 printf("%c: Phase D: image size %d\n", i, t.image_size); | |
111 t30_get_local_ident(s, ident); | |
112 printf("%c: Phase D: local ident '%s'\n", i, ident); | |
113 t30_get_far_ident(s, ident); | |
114 printf("%c: Phase D: remote ident '%s'\n", i, ident); | |
115 } | |
116 /*- End of function --------------------------------------------------------*/ | |
117 | |
118 static void phase_e_handler(t30_state_t *s, void *user_data, int result) | |
119 { | |
120 int i; | |
121 t30_stats_t t; | |
122 char ident[21]; | |
123 | |
124 i = (int) (intptr_t) user_data; | |
125 printf("%c: Phase E handler on channel %d - (%d) %s\n", i, i, result, t30_completion_code_to_str(result)); | |
126 t30_get_transfer_statistics(s, &t); | |
127 printf("%c: Phase E: bit rate %d\n", i, t.bit_rate); | |
128 printf("%c: Phase E: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off"); | |
129 printf("%c: Phase E: pages transferred %d\n", i, t.pages_transferred); | |
130 printf("%c: Phase E: image size %d x %d\n", i, t.width, t.length); | |
131 printf("%c: Phase E: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution); | |
132 printf("%c: Phase E: bad rows %d\n", i, t.bad_rows); | |
133 printf("%c: Phase E: longest bad row run %d\n", i, t.longest_bad_row_run); | |
134 printf("%c: Phase E: coding method %s\n", i, t4_encoding_to_str(t.encoding)); | |
135 printf("%c: Phase E: image size %d bytes\n", i, t.image_size); | |
136 t30_get_local_ident(s, ident); | |
137 printf("%c: Phase E: local ident '%s'\n", i, ident); | |
138 t30_get_far_ident(s, ident); | |
139 printf("%c: Phase E: remote ident '%s'\n", i, ident); | |
140 succeeded[i - 'A'] = (result == T30_ERR_OK) && (t.pages_transferred == 12); | |
141 done[i - 'A'] = TRUE; | |
142 } | |
143 /*- End of function --------------------------------------------------------*/ | |
144 | |
145 static int tx_packet_handler_a(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) | |
146 { | |
147 t38_gateway_state_t *t; | |
148 | |
149 /* This routine queues messages between two instances of T.38 processing */ | |
150 t = (t38_gateway_state_t *) user_data; | |
151 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count); | |
152 | |
153 ip_network_model_send(path_a_to_b, s->tx_seq_no, count, buf, len); | |
154 return 0; | |
155 } | |
156 /*- End of function --------------------------------------------------------*/ | |
157 | |
158 static int tx_packet_handler_b(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) | |
159 { | |
160 t38_terminal_state_t *t; | |
161 | |
162 /* This routine queues messages between two instances of T.38 processing */ | |
163 t = (t38_terminal_state_t *) user_data; | |
164 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count); | |
165 | |
166 ip_network_model_send(path_b_to_a, s->tx_seq_no, count, buf, len); | |
167 return 0; | |
168 } | |
169 /*- End of function --------------------------------------------------------*/ | |
170 | |
171 int main(int argc, char *argv[]) | |
172 { | |
173 int16_t t38_amp_b[SAMPLES_PER_CHUNK]; | |
174 int16_t t30_amp_b[SAMPLES_PER_CHUNK]; | |
175 int16_t out_amp[2*SAMPLES_PER_CHUNK]; | |
176 int t38_len_b; | |
177 int t30_len_b; | |
178 int msg_len; | |
179 uint8_t msg[1024]; | |
180 int log_audio; | |
181 int outframes; | |
182 AFfilesetup filesetup; | |
183 AFfilehandle wave_handle; | |
184 int t38_version; | |
185 int use_ecm; | |
186 const char *input_file_name; | |
187 int i; | |
188 int seq_no; | |
189 | |
190 log_audio = FALSE; | |
191 t38_version = 1; | |
192 use_ecm = FALSE; | |
193 input_file_name = INPUT_FILE_NAME; | |
194 for (i = 1; i < argc; i++) | |
195 { | |
196 if (strcmp(argv[i], "-e") == 0) | |
197 { | |
198 use_ecm = TRUE; | |
199 continue; | |
200 } | |
201 if (strcmp(argv[i], "-i") == 0) | |
202 { | |
203 i++; | |
204 input_file_name = argv[i]; | |
205 continue; | |
206 } | |
207 if (strcmp(argv[i], "-l") == 0) | |
208 { | |
209 log_audio = TRUE; | |
210 continue; | |
211 } | |
212 if (strcmp(argv[i], "-v") == 0) | |
213 { | |
214 i++; | |
215 t38_version = atoi(argv[i]); | |
216 continue; | |
217 } | |
218 } | |
219 | |
220 printf("Using T.38 version %d\n", t38_version); | |
221 if (use_ecm) | |
222 printf("Using ECM\n"); | |
223 | |
224 filesetup = AF_NULL_FILESETUP; | |
225 wave_handle = AF_NULL_FILEHANDLE; | |
226 if (log_audio) | |
227 { | |
228 if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP) | |
229 { | |
230 fprintf(stderr, " Failed to create file setup\n"); | |
231 exit(2); | |
232 } | |
233 afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16); | |
234 afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE); | |
235 afInitFileFormat(filesetup, AF_FILE_WAVE); | |
236 afInitChannels(filesetup, AF_DEFAULT_TRACK, 2); | |
237 | |
238 if ((wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup)) == AF_NULL_FILEHANDLE) | |
239 { | |
240 fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE); | |
241 exit(2); | |
242 } | |
243 } | |
244 | |
245 if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL) | |
246 { | |
247 fprintf(stderr, "Failed to start IP network path model\n"); | |
248 exit(2); | |
249 } | |
250 if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL) | |
251 { | |
252 fprintf(stderr, "Failed to start IP network path model\n"); | |
253 exit(2); | |
254 } | |
255 | |
256 if (t38_terminal_init(&t38_state_a, TRUE, tx_packet_handler_a, &t38_state_b) == NULL) | |
257 { | |
258 fprintf(stderr, "Cannot start the T.38 channel\n"); | |
259 exit(2); | |
260 } | |
261 t38_set_t38_version(&t38_state_a.t38, t38_version); | |
262 span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
263 span_log_set_tag(&t38_state_a.logging, "T.38-A"); | |
264 span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
265 span_log_set_tag(&t38_state_a.t38.logging, "T.38-A"); | |
266 span_log_set_level(&t38_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
267 span_log_set_tag(&t38_state_a.t30_state.logging, "T.38-A"); | |
268 | |
269 t30_set_local_ident(&t38_state_a.t30_state, "11111111"); | |
270 t30_set_tx_file(&t38_state_a.t30_state, input_file_name, -1, -1); | |
271 t30_set_phase_b_handler(&t38_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A'); | |
272 t30_set_phase_d_handler(&t38_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A'); | |
273 t30_set_phase_e_handler(&t38_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A'); | |
274 t30_set_ecm_capability(&t38_state_a.t30_state, use_ecm); | |
275 if (use_ecm) | |
276 t30_set_supported_compressions(&t38_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION); | |
277 | |
278 if (t38_gateway_init(&t38_state_b, tx_packet_handler_b, &t38_state_a) == NULL) | |
279 { | |
280 fprintf(stderr, "Cannot start the T.38 channel\n"); | |
281 exit(2); | |
282 } | |
283 t38_set_t38_version(&t38_state_b.t38, t38_version); | |
284 t38_gateway_ecm_control(&t38_state_b, use_ecm); | |
285 span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
286 span_log_set_tag(&t38_state_b.logging, "T.38-B"); | |
287 span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
288 span_log_set_tag(&t38_state_b.t38.logging, "T.38-B"); | |
289 memset(t38_amp_b, 0, sizeof(t38_amp_b)); | |
290 | |
291 fax_init(&fax_state_b, FALSE); | |
292 t30_set_local_ident(&fax_state_b.t30_state, "22222222"); | |
293 t30_set_rx_file(&fax_state_b.t30_state, OUTPUT_FILE_NAME, -1); | |
294 t30_set_phase_b_handler(&fax_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B'); | |
295 t30_set_phase_d_handler(&fax_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B'); | |
296 t30_set_phase_e_handler(&fax_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B'); | |
297 t30_set_ecm_capability(&fax_state_b.t30_state, use_ecm); | |
298 if (use_ecm) | |
299 t30_set_supported_compressions(&fax_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION); | |
300 span_log_set_level(&fax_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
301 span_log_set_tag(&fax_state_b.logging, "FAX-B "); | |
302 span_log_set_level(&fax_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); | |
303 span_log_set_tag(&fax_state_b.t30_state.logging, "FAX-B "); | |
304 memset(t30_amp_b, 0, sizeof(t30_amp_b)); | |
305 | |
306 for (;;) | |
307 { | |
308 span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK); | |
309 span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK); | |
310 span_log_bump_samples(&t38_state_a.t30_state.logging, SAMPLES_PER_CHUNK); | |
311 span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK); | |
312 span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK); | |
313 span_log_bump_samples(&fax_state_b.logging, SAMPLES_PER_CHUNK); | |
314 span_log_bump_samples(&fax_state_b.t30_state.logging, SAMPLES_PER_CHUNK); | |
315 memset(out_amp, 0, sizeof(out_amp)); | |
316 | |
317 t38_terminal_send_timeout(&t38_state_a, SAMPLES_PER_CHUNK); | |
318 | |
319 t30_len_b = fax_tx(&fax_state_b, t30_amp_b, SAMPLES_PER_CHUNK); | |
320 /* The receive side always expects a full block of samples, but the | |
321 transmit side may not be sending any when it doesn't need to. We | |
322 may need to pad with some silence. */ | |
323 if (t30_len_b < SAMPLES_PER_CHUNK) | |
324 { | |
325 memset(t30_amp_b + t30_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_b)); | |
326 t30_len_b = SAMPLES_PER_CHUNK; | |
327 } | |
328 if (log_audio) | |
329 { | |
330 for (i = 0; i < t30_len_b; i++) | |
331 out_amp[2*i + 1] = t30_amp_b[i]; | |
332 } | |
333 if (t38_gateway_rx(&t38_state_b, t30_amp_b, t30_len_b)) | |
334 break; | |
335 | |
336 t38_len_b = t38_gateway_tx(&t38_state_b, t38_amp_b, SAMPLES_PER_CHUNK); | |
337 if (t38_len_b < SAMPLES_PER_CHUNK) | |
338 { | |
339 memset(t38_amp_b + t38_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_b)); | |
340 t38_len_b = SAMPLES_PER_CHUNK; | |
341 } | |
342 if (log_audio) | |
343 { | |
344 for (i = 0; i < t38_len_b; i++) | |
345 out_amp[2*i] = t38_amp_b[i]; | |
346 } | |
347 if (fax_rx(&fax_state_b, t38_amp_b, SAMPLES_PER_CHUNK)) | |
348 break; | |
349 | |
350 while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0) | |
351 t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len); | |
352 while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0) | |
353 t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len); | |
354 | |
355 if (log_audio) | |
356 { | |
357 outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK); | |
358 if (outframes != SAMPLES_PER_CHUNK) | |
359 break; | |
360 } | |
361 | |
362 if (done[0] && done[1]) | |
363 break; | |
364 } | |
365 if (log_audio) | |
366 { | |
367 if (afCloseFile(wave_handle) != 0) | |
368 { | |
369 fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE); | |
370 exit(2); | |
371 } | |
372 afFreeFileSetup(filesetup); | |
373 } | |
374 if (!succeeded[0] || !succeeded[1]) | |
375 { | |
376 printf("Tests failed\n"); | |
377 exit(2); | |
378 } | |
379 printf("Tests passed\n"); | |
380 return 0; | |
381 } | |
382 /*- End of function --------------------------------------------------------*/ | |
383 /*- End of file ------------------------------------------------------------*/ |