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comparison spandsp-0.0.3/spandsp-0.0.3/tests/t38_terminal_tests.c @ 5:f762bf195c4b

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import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
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4:26cd8f1ef0b1 5:f762bf195c4b
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * t38_terminal_tests.c - Tests for the T.38 FoIP terminal module.
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_tests.c,v 1.32 2006/12/09 04:56:20 steveu Exp $
26 */
27
28 /*! \file */
29
30 /*! \page t38_terminal_tests_page T.38 termination tests
31 \section t38_terminal_tests_page_sec_1 What does it do?
32 These tests exercise the path
33
34 T.38 termination <-> T.38 termination
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 <tiffio.h>
62
63 #include "spandsp.h"
64
65 #include "ip_network_model.h"
66
67 #define SAMPLES_PER_CHUNK 160
68
69 #define INPUT_FILE_NAME "../itutests/fax/itutests.tif"
70 #define OUTPUT_FILE_NAME "t38.tif"
71
72 t38_terminal_state_t t38_state_a;
73 t38_terminal_state_t t38_state_b;
74
75 ip_network_model_state_t *path_a_to_b;
76 ip_network_model_state_t *path_b_to_a;
77
78 int done[2] = {FALSE, FALSE};
79 int succeeded[2] = {FALSE, FALSE};
80
81 static void phase_b_handler(t30_state_t *s, void *user_data, int result)
82 {
83 int i;
84
85 i = (int) (intptr_t) user_data;
86 printf("%c: Phase B handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result));
87 }
88 /*- End of function --------------------------------------------------------*/
89
90 static void phase_d_handler(t30_state_t *s, void *user_data, int result)
91 {
92 int i;
93 t30_stats_t t;
94 char ident[21];
95
96 i = (int) (intptr_t) user_data;
97 printf("%c: Phase D handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result));
98 t30_get_transfer_statistics(s, &t);
99 printf("%c: Phase D: bit rate %d\n", i, t.bit_rate);
100 printf("%c: Phase D: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off");
101 printf("%c: Phase D: pages transferred %d\n", i, t.pages_transferred);
102 printf("%c: Phase D: image size %d x %d\n", i, t.width, t.length);
103 printf("%c: Phase D: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution);
104 printf("%c: Phase D: bad rows %d\n", i, t.bad_rows);
105 printf("%c: Phase D: longest bad row run %d\n", i, t.longest_bad_row_run);
106 printf("%c: Phase D: coding method %s\n", i, t4_encoding_to_str(t.encoding));
107 printf("%c: Phase D: image size %d\n", i, t.image_size);
108 t30_get_local_ident(s, ident);
109 printf("%c: Phase D: local ident '%s'\n", i, ident);
110 t30_get_far_ident(s, ident);
111 printf("%c: Phase D: remote ident '%s'\n", i, ident);
112 }
113 /*- End of function --------------------------------------------------------*/
114
115 static void phase_e_handler(t30_state_t *s, void *user_data, int result)
116 {
117 int i;
118 t30_stats_t t;
119 char ident[21];
120
121 i = (int) (intptr_t) user_data;
122 printf("%c: Phase E handler on channel %c - (%d) %s\n", i, i, result, t30_completion_code_to_str(result));
123 t30_get_transfer_statistics(s, &t);
124 printf("%c: Phase E: bit rate %d\n", i, t.bit_rate);
125 printf("%c: Phase E: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off");
126 printf("%c: Phase E: pages transferred %d\n", i, t.pages_transferred);
127 printf("%c: Phase E: image size %d x %d\n", i, t.width, t.length);
128 printf("%c: Phase E: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution);
129 printf("%c: Phase E: bad rows %d\n", i, t.bad_rows);
130 printf("%c: Phase E: longest bad row run %d\n", i, t.longest_bad_row_run);
131 printf("%c: Phase E: coding method %s\n", i, t4_encoding_to_str(t.encoding));
132 printf("%c: Phase E: image size %d bytes\n", i, t.image_size);
133 t30_get_local_ident(s, ident);
134 printf("%c: Phase E: local ident '%s'\n", i, ident);
135 t30_get_far_ident(s, ident);
136 printf("%c: Phase E: remote ident '%s'\n", i, ident);
137 succeeded[i - 'A'] = (result == T30_ERR_OK) && (t.pages_transferred == 12);
138 //done[i - 'A'] = TRUE;
139 }
140 /*- End of function --------------------------------------------------------*/
141
142 static int tx_packet_handler_a(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
143 {
144 t38_terminal_state_t *t;
145
146 /* This routine queues messages between two instances of T.38 processing */
147 t = (t38_terminal_state_t *) user_data;
148 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count);
149
150 ip_network_model_send(path_a_to_b, s->tx_seq_no, count, buf, len);
151 return 0;
152 }
153 /*- End of function --------------------------------------------------------*/
154
155 static int tx_packet_handler_b(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
156 {
157 t38_terminal_state_t *t;
158
159 /* This routine queues messages between two instances of T.38 processing */
160 t = (t38_terminal_state_t *) user_data;
161 span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count);
162
163 ip_network_model_send(path_b_to_a, s->tx_seq_no, count, buf, len);
164 return 0;
165 }
166 /*- End of function --------------------------------------------------------*/
167
168 int main(int argc, char *argv[])
169 {
170 int msg_len;
171 uint8_t msg[1024];
172 int t38_version;
173 int i;
174 int seq_no;
175 int use_ecm;
176 const char *input_file_name;
177
178 t38_version = 1;
179 input_file_name = INPUT_FILE_NAME;
180 use_ecm = FALSE;
181 for (i = 1; i < argc; i++)
182 {
183 if (strcmp(argv[i], "-e") == 0)
184 {
185 use_ecm = TRUE;
186 continue;
187 }
188 if (strcmp(argv[i], "-v") == 0)
189 {
190 i++;
191 t38_version = atoi(argv[i]);
192 continue;
193 }
194 if (strcmp(argv[i], "-i") == 0)
195 {
196 i++;
197 input_file_name = argv[i];
198 continue;
199 }
200 }
201
202 printf("Using T.38 version %d\n", t38_version);
203 if (use_ecm)
204 printf("Using ECM\n");
205
206 if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
207 {
208 fprintf(stderr, "Failed to start IP network path model\n");
209 exit(2);
210 }
211 if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
212 {
213 fprintf(stderr, "Failed to start IP network path model\n");
214 exit(2);
215 }
216
217 if (t38_terminal_init(&t38_state_a, TRUE, tx_packet_handler_a, &t38_state_b) == NULL)
218 {
219 fprintf(stderr, "Cannot start the T.38 channel\n");
220 exit(2);
221 }
222 t38_set_t38_version(&t38_state_a.t38, t38_version);
223 span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
224 span_log_set_tag(&t38_state_a.logging, "T.38-A");
225 span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
226 span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
227 span_log_set_level(&t38_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
228 span_log_set_tag(&t38_state_a.t30_state.logging, "T.38-A");
229
230 t30_set_local_ident(&t38_state_a.t30_state, "11111111");
231 t30_set_tx_file(&t38_state_a.t30_state, input_file_name, -1, -1);
232 t30_set_phase_b_handler(&t38_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
233 t30_set_phase_d_handler(&t38_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
234 t30_set_phase_e_handler(&t38_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
235 t30_set_ecm_capability(&t38_state_a.t30_state, use_ecm);
236 if (use_ecm)
237 t30_set_supported_compressions(&t38_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
238
239 if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
240 {
241 fprintf(stderr, "Cannot start the T.38 channel\n");
242 exit(2);
243 }
244 t38_set_t38_version(&t38_state_b.t38, t38_version);
245 span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
246 span_log_set_tag(&t38_state_b.logging, "T.38-B");
247 span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
248 span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
249 span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
250 span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
251
252 t30_set_local_ident(&t38_state_b.t30_state, "22222222");
253 t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
254 t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
255 t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
256 t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
257 t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
258 if (use_ecm)
259 t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
260
261 for (;;)
262 {
263 span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
264 span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
265 span_log_bump_samples(&t38_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
266 span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
267 span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
268 span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
269
270 done[0] = t38_terminal_send_timeout(&t38_state_a, SAMPLES_PER_CHUNK);
271 done[1] = t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
272
273 while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
274 t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
275 while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
276 t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
277
278 if (done[0] && done[1])
279 break;
280 }
281 if (!succeeded[0] || !succeeded[1])
282 {
283 printf("Tests failed\n");
284 exit(2);
285 }
286 printf("Tests passed\n");
287 return 0;
288 }
289 /*- End of function --------------------------------------------------------*/
290 /*- End of file ------------------------------------------------------------*/

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