Mercurial > hg > audiostuff
comparison spandsp-0.0.6pre17/src/logging.c @ 4:26cd8f1ef0b1
import spandsp-0.0.6pre17
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 15:50:58 +0200 |
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3:c6c5a16ce2f2 | 4:26cd8f1ef0b1 |
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1 /* | |
2 * SpanDSP - a series of DSP components for telephony | |
3 * | |
4 * logging.c - error and debug logging. | |
5 * | |
6 * Written by Steve Underwood <steveu@coppice.org> | |
7 * | |
8 * Copyright (C) 2005 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 Lesser General Public License version 2.1, | |
14 * as 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 Lesser General Public License for more details. | |
20 * | |
21 * You should have received a copy of the GNU Lesser General Public | |
22 * License along with this program; if not, write to the Free Software | |
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 * | |
25 * $Id: logging.c,v 1.32 2009/02/10 17:44:18 steveu Exp $ | |
26 */ | |
27 | |
28 /*! \file */ | |
29 | |
30 #if defined(HAVE_CONFIG_H) | |
31 #include "config.h" | |
32 #endif | |
33 | |
34 #include <limits.h> | |
35 #include <stdio.h> | |
36 #include <stdarg.h> | |
37 #include <fcntl.h> | |
38 #include <stdlib.h> | |
39 #include <inttypes.h> | |
40 #include <string.h> | |
41 #include <errno.h> | |
42 #include <signal.h> | |
43 #include <sys/time.h> | |
44 #include <time.h> | |
45 | |
46 #include "spandsp/telephony.h" | |
47 #include "spandsp/logging.h" | |
48 | |
49 #include "spandsp/private/logging.h" | |
50 | |
51 static void default_message_handler(int level, const char *text); | |
52 | |
53 static message_handler_func_t __span_message = &default_message_handler; | |
54 static error_handler_func_t __span_error = NULL; | |
55 | |
56 /* Note that this list *must* match the enum definition in logging.h */ | |
57 static const char *severities[] = | |
58 { | |
59 "NONE", | |
60 "ERROR", | |
61 "WARNING", | |
62 "PROTOCOL_ERROR", | |
63 "PROTOCOL_WARNING", | |
64 "FLOW", | |
65 "FLOW 2", | |
66 "FLOW 3", | |
67 "DEBUG 1", | |
68 "DEBUG 2", | |
69 "DEBUG 3" | |
70 }; | |
71 | |
72 static void default_message_handler(int level, const char *text) | |
73 { | |
74 fprintf(stderr, "%s", text); | |
75 } | |
76 /*- End of function --------------------------------------------------------*/ | |
77 | |
78 SPAN_DECLARE(int) span_log_test(logging_state_t *s, int level) | |
79 { | |
80 if (s && (s->level & SPAN_LOG_SEVERITY_MASK) >= (level & SPAN_LOG_SEVERITY_MASK)) | |
81 return TRUE; | |
82 return FALSE; | |
83 } | |
84 /*- End of function --------------------------------------------------------*/ | |
85 | |
86 SPAN_DECLARE(int) span_log(logging_state_t *s, int level, const char *format, ...) | |
87 { | |
88 char msg[1024 + 1]; | |
89 va_list arg_ptr; | |
90 int len; | |
91 struct tm *tim; | |
92 struct timeval nowx; | |
93 time_t now; | |
94 | |
95 if (span_log_test(s, level)) | |
96 { | |
97 va_start(arg_ptr, format); | |
98 len = 0; | |
99 if ((level & SPAN_LOG_SUPPRESS_LABELLING) == 0) | |
100 { | |
101 if ((s->level & SPAN_LOG_SHOW_DATE)) | |
102 { | |
103 gettimeofday(&nowx, NULL); | |
104 now = nowx.tv_sec; | |
105 tim = gmtime(&now); | |
106 len += snprintf(msg + len, | |
107 1024 - len, | |
108 "%04d/%02d/%02d %02d:%02d:%02d.%03d ", | |
109 tim->tm_year + 1900, | |
110 tim->tm_mon + 1, | |
111 tim->tm_mday, | |
112 tim->tm_hour, | |
113 tim->tm_min, | |
114 tim->tm_sec, | |
115 (int) nowx.tv_usec/1000); | |
116 } | |
117 /*endif*/ | |
118 if ((s->level & SPAN_LOG_SHOW_SAMPLE_TIME)) | |
119 { | |
120 now = s->elapsed_samples/s->samples_per_second; | |
121 tim = gmtime(&now); | |
122 len += snprintf(msg + len, | |
123 1024 - len, | |
124 "%02d:%02d:%02d.%03d ", | |
125 tim->tm_hour, | |
126 tim->tm_min, | |
127 tim->tm_sec, | |
128 (int) (s->elapsed_samples%s->samples_per_second)*1000/s->samples_per_second); | |
129 } | |
130 /*endif*/ | |
131 if ((s->level & SPAN_LOG_SHOW_SEVERITY) && (level & SPAN_LOG_SEVERITY_MASK) <= SPAN_LOG_DEBUG_3) | |
132 len += snprintf(msg + len, 1024 - len, "%s ", severities[level & SPAN_LOG_SEVERITY_MASK]); | |
133 /*endif*/ | |
134 if ((s->level & SPAN_LOG_SHOW_PROTOCOL) && s->protocol) | |
135 len += snprintf(msg + len, 1024 - len, "%s ", s->protocol); | |
136 /*endif*/ | |
137 if ((s->level & SPAN_LOG_SHOW_TAG) && s->tag) | |
138 len += snprintf(msg + len, 1024 - len, "%s ", s->tag); | |
139 /*endif*/ | |
140 } | |
141 /*endif*/ | |
142 len += vsnprintf(msg + len, 1024 - len, format, arg_ptr); | |
143 if (s->span_error && level == SPAN_LOG_ERROR) | |
144 s->span_error(msg); | |
145 else if (__span_error && level == SPAN_LOG_ERROR) | |
146 __span_error(msg); | |
147 else if (s->span_message) | |
148 s->span_message(level, msg); | |
149 else if (__span_message) | |
150 __span_message(level, msg); | |
151 /*endif*/ | |
152 va_end(arg_ptr); | |
153 return 1; | |
154 } | |
155 /*endif*/ | |
156 return 0; | |
157 } | |
158 /*- End of function --------------------------------------------------------*/ | |
159 | |
160 SPAN_DECLARE(int) span_log_buf(logging_state_t *s, int level, const char *tag, const uint8_t *buf, int len) | |
161 { | |
162 char msg[1024]; | |
163 int i; | |
164 int msg_len; | |
165 | |
166 if (span_log_test(s, level)) | |
167 { | |
168 msg_len = 0; | |
169 if (tag) | |
170 msg_len += snprintf(msg + msg_len, 1024 - msg_len, "%s", tag); | |
171 for (i = 0; i < len && msg_len < 800; i++) | |
172 msg_len += snprintf(msg + msg_len, 1024 - msg_len, " %02x", buf[i]); | |
173 msg_len += snprintf(msg + msg_len, 1024 - msg_len, "\n"); | |
174 return span_log(s, level, msg); | |
175 } | |
176 return 0; | |
177 } | |
178 /*- End of function --------------------------------------------------------*/ | |
179 | |
180 SPAN_DECLARE(int) span_log_set_level(logging_state_t *s, int level) | |
181 { | |
182 s->level = level; | |
183 | |
184 return 0; | |
185 } | |
186 /*- End of function --------------------------------------------------------*/ | |
187 | |
188 SPAN_DECLARE(int) span_log_set_tag(logging_state_t *s, const char *tag) | |
189 { | |
190 s->tag = tag; | |
191 | |
192 return 0; | |
193 } | |
194 /*- End of function --------------------------------------------------------*/ | |
195 | |
196 SPAN_DECLARE(int) span_log_set_protocol(logging_state_t *s, const char *protocol) | |
197 { | |
198 s->protocol = protocol; | |
199 | |
200 return 0; | |
201 } | |
202 /*- End of function --------------------------------------------------------*/ | |
203 | |
204 SPAN_DECLARE(int) span_log_set_sample_rate(logging_state_t *s, int samples_per_second) | |
205 { | |
206 s->samples_per_second = samples_per_second; | |
207 | |
208 return 0; | |
209 } | |
210 /*- End of function --------------------------------------------------------*/ | |
211 | |
212 SPAN_DECLARE(int) span_log_bump_samples(logging_state_t *s, int samples) | |
213 { | |
214 s->elapsed_samples += samples; | |
215 | |
216 return 0; | |
217 } | |
218 /*- End of function --------------------------------------------------------*/ | |
219 | |
220 SPAN_DECLARE(void) span_log_set_message_handler(logging_state_t *s, message_handler_func_t func) | |
221 { | |
222 s->span_message = func; | |
223 } | |
224 /*- End of function --------------------------------------------------------*/ | |
225 | |
226 SPAN_DECLARE(void) span_log_set_error_handler(logging_state_t *s, error_handler_func_t func) | |
227 { | |
228 s->span_error = func; | |
229 } | |
230 /*- End of function --------------------------------------------------------*/ | |
231 | |
232 SPAN_DECLARE(void) span_set_message_handler(message_handler_func_t func) | |
233 { | |
234 __span_message = func; | |
235 } | |
236 /*- End of function --------------------------------------------------------*/ | |
237 | |
238 SPAN_DECLARE(void) span_set_error_handler(error_handler_func_t func) | |
239 { | |
240 __span_error = func; | |
241 } | |
242 /*- End of function --------------------------------------------------------*/ | |
243 | |
244 SPAN_DECLARE(logging_state_t *) span_log_init(logging_state_t *s, int level, const char *tag) | |
245 { | |
246 if (s == NULL) | |
247 { | |
248 if ((s = (logging_state_t *) malloc(sizeof(*s))) == NULL) | |
249 return NULL; | |
250 } | |
251 s->span_error = __span_error; | |
252 s->span_message = __span_message; | |
253 s->level = level; | |
254 s->tag = tag; | |
255 s->protocol = NULL; | |
256 s->samples_per_second = SAMPLE_RATE; | |
257 s->elapsed_samples = 0; | |
258 | |
259 return s; | |
260 } | |
261 /*- End of function --------------------------------------------------------*/ | |
262 | |
263 SPAN_DECLARE(int) span_log_release(logging_state_t *s) | |
264 { | |
265 return 0; | |
266 } | |
267 /*- End of function --------------------------------------------------------*/ | |
268 | |
269 SPAN_DECLARE(int) span_log_free(logging_state_t *s) | |
270 { | |
271 if (s) | |
272 free(s); | |
273 return 0; | |
274 } | |
275 /*- End of function --------------------------------------------------------*/ | |
276 /*- End of file ------------------------------------------------------------*/ |