Mercurial > hg > freeDiameter
annotate libfdproto/log.c @ 882:ae96ae28f3dd 1.1.5
Limit python version to avoid using python3 (not compatible)
| author | Sebastien Decugis <sdecugis@freediameter.net> |
|---|---|
| date | Sat, 03 Nov 2012 18:45:41 +0100 |
| parents | cb84f5be889d |
| children | b839a1b1c1da |
| rev | line source |
|---|---|
| 0 | 1 /********************************************************************************************************* |
| 2 * Software License Agreement (BSD License) * | |
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> * |
| 0 | 4 * * |
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5 * Copyright (c) 2012, WIDE Project and NICT * |
| 0 | 6 * All rights reserved. * |
| 7 * * | |
| 8 * Redistribution and use of this software in source and binary forms, with or without modification, are * | |
| 9 * permitted provided that the following conditions are met: * | |
| 10 * * | |
| 11 * * Redistributions of source code must retain the above * | |
| 12 * copyright notice, this list of conditions and the * | |
| 13 * following disclaimer. * | |
| 14 * * | |
| 15 * * Redistributions in binary form must reproduce the above * | |
| 16 * copyright notice, this list of conditions and the * | |
| 17 * following disclaimer in the documentation and/or other * | |
| 18 * materials provided with the distribution. * | |
| 19 * * | |
| 20 * * Neither the name of the WIDE Project or NICT nor the * | |
| 21 * names of its contributors may be used to endorse or * | |
| 22 * promote products derived from this software without * | |
| 23 * specific prior written permission of WIDE Project and * | |
| 24 * NICT. * | |
| 25 * * | |
| 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * | |
| 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * | |
| 28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * | |
| 29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * | |
| 30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * | |
| 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * | |
| 32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * | |
| 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * | |
| 34 *********************************************************************************************************/ | |
| 35 | |
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36 #include "fdproto-internal.h" |
| 0 | 37 |
| 38 #include <stdarg.h> | |
| 39 | |
| 40 pthread_mutex_t fd_log_lock = PTHREAD_MUTEX_INITIALIZER; | |
| 41 pthread_key_t fd_log_thname; | |
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42 int fd_g_debug_lvl = INFO; |
| 0 | 43 |
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44 /* These may be used to pass specific debug requests via the command-line parameters */ |
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45 char * fd_debug_one_function = NULL; |
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46 char * fd_debug_one_file = NULL; |
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47 |
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48 /* Useless function, only to ease setting up a breakpoint in gdb (break fd_breakhere) -- use TRACE_HERE */ |
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49 int fd_breaks = 0; |
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50 int fd_breakhere(void) { return ++fd_breaks; } |
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51 |
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52 /* Allow passing of the log and debug information from base stack to extensions */ |
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53 void (*fd_external_logger)( const char * format, va_list *args ) = NULL; |
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54 |
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55 /* Register an dexternal call back for tracing and debug */ |
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56 int fd_log_handler_register( void (*logger)(const char * format, va_list *args)) |
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57 { |
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58 CHECK_PARAMS( logger ); |
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59 |
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60 if ( fd_external_logger != NULL ) |
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61 { |
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62 return EALREADY; /* only one registeration allowed */ |
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63 } |
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64 else |
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65 { |
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66 fd_external_logger = logger; |
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67 } |
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68 return 0; |
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69 } |
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70 |
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71 /* Implement a simple reset function here */ |
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72 int fd_log_handler_unregister ( void ) |
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73 { |
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74 fd_external_logger = NULL; |
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75 return 0; /* Successfull in all cases. */ |
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76 } |
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77 |
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78 static void fd_cleanup_mutex_silent( void * mutex ) |
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79 { |
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80 (void)pthread_mutex_unlock((pthread_mutex_t *)mutex); |
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81 } |
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82 |
| 0 | 83 /* Log a debug message */ |
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84 void fd_log_debug_fstr ( FILE * fstr, const char * format, ... ) |
| 0 | 85 { |
| 86 va_list ap; | |
| 87 | |
| 88 (void)pthread_mutex_lock(&fd_log_lock); | |
| 89 | |
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90 pthread_cleanup_push(fd_cleanup_mutex_silent, &fd_log_lock); |
| 0 | 91 |
| 92 va_start(ap, format); | |
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93 if ( fd_external_logger != NULL ) |
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94 { |
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95 fd_external_logger( format, &ap ); |
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96 } |
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97 else |
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98 { |
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99 vfprintf( fstr ?: stdout, format, ap); |
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100 fflush(fstr ?: stdout); |
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101 } |
| 0 | 102 va_end(ap); |
| 103 | |
| 104 pthread_cleanup_pop(0); | |
| 105 | |
| 106 (void)pthread_mutex_unlock(&fd_log_lock); | |
| 107 } | |
| 108 | |
| 109 /* Function to set the thread's friendly name */ | |
| 110 void fd_log_threadname ( char * name ) | |
| 111 { | |
| 112 void * val = NULL; | |
| 113 | |
| 114 TRACE_ENTRY("%p(%s)", name, name?:"/"); | |
| 115 | |
| 116 /* First, check if a value is already assigned to the current thread */ | |
| 117 val = pthread_getspecific(fd_log_thname); | |
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118 if (TRACE_BOOL(ANNOYING)) { |
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119 if (val) { |
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120 fd_log_debug("(Thread '%s' renamed to '%s')\n", (char *)val, name); |
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121 } else { |
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122 fd_log_debug("(Thread %p named '%s')\n", pthread_self(), name?:"(nil)"); |
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123 } |
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124 } |
| 0 | 125 if (val != NULL) { |
| 126 free(val); | |
| 127 } | |
| 128 | |
| 129 /* Now create the new string */ | |
| 130 if (name == NULL) { | |
| 131 CHECK_POSIX_DO( pthread_setspecific(fd_log_thname, NULL), /* continue */); | |
| 132 return; | |
| 133 } | |
| 134 | |
| 135 CHECK_MALLOC_DO( val = strdup(name), return ); | |
| 136 | |
| 137 CHECK_POSIX_DO( pthread_setspecific(fd_log_thname, val), /* continue */); | |
| 138 return; | |
| 139 } | |
| 140 | |
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141 /* Write time into a buffer */ |
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142 char * fd_log_time ( struct timespec * ts, char * buf, size_t len ) |
| 0 | 143 { |
| 144 int ret; | |
| 145 size_t offset = 0; | |
| 146 struct timespec tp; | |
| 147 struct tm tm; | |
| 148 | |
| 149 /* Get current time */ | |
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150 if (!ts) { |
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151 ret = clock_gettime(CLOCK_REALTIME, &tp); |
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152 if (ret != 0) { |
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153 snprintf(buf, len, "%s", strerror(ret)); |
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154 return buf; |
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155 } |
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156 ts = &tp; |
| 0 | 157 } |
| 158 | |
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159 offset += strftime(buf + offset, len - offset, "%D,%T", localtime_r( &ts->tv_sec , &tm )); |
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160 offset += snprintf(buf + offset, len - offset, ".%6.6ld", ts->tv_nsec / 1000); |
| 0 | 161 |
| 162 return buf; | |
| 163 } |