1 /* 2 INTEL CONFIDENTIAL 3 Copyright 2009 Intel Corporation All Rights Reserved. 4 The source code contained or described herein and all documents related to the source code ("Material") are owned by Intel Corporation or its suppliers or licensors. Title to the Material remains with Intel Corporation or its suppliers and licensors. The Material contains trade secrets and proprietary and confidential information of Intel or its suppliers and licensors. The Material is protected by worldwide copyright and trade secret laws and treaty provisions. No part of the Material may be used, copied, reproduced, modified, published, uploaded, posted, transmitted, distributed, or disclosed in any way without Intels prior express written permission. 5 6 No license under any patent, copyright, trade secret or other intellectual property right is granted to or conferred upon you by disclosure or delivery of the Materials, either expressly, by implication, inducement, estoppel or otherwise. Any license under such intellectual property rights must be express and approved by Intel in writing. 7 */ 8 9 #include <glib.h> 10 #include <string.h> 11 #include "mixlog.h" 12 13 #define MIX_DELOG_COMPS "MIX_DELOG_COMPS" 14 #define MIX_DELOG_FILES "MIX_DELOG_FILES" 15 #define MIX_DELOG_FUNCS "MIX_DELOG_FUNCS" 16 #define MIX_LOG_ENABLE "MIX_LOG_ENABLE" 17 #define MIX_DELOG_DELIMITERS " ,;" 18 19 #define MIX_LOG_LEVEL "MIX_LOG_LEVEL" 20 21 static GStaticMutex g_mutex = G_STATIC_MUTEX_INIT; 22 23 #ifdef MIX_LOG_USE_HT 24 static GHashTable *g_defile_ht = NULL, *g_defunc_ht = NULL, *g_decom_ht = NULL; 25 static gint g_mix_log_level = MIX_LOG_LEVEL_VERBOSE; 26 static gint g_refcount = 0; 27 28 #define mix_log_destroy_ht(ht) if(ht) { g_hash_table_destroy(ht); ht = NULL; } 29 30 void mix_log_get_ht(GHashTable **ht, const gchar *var) { 31 32 const char *delog_list = NULL; 33 char *item = NULL; 34 if (!ht || !var) { 35 return; 36 } 37 38 delog_list = g_getenv(var); 39 if (!delog_list) { 40 return; 41 } 42 43 if (*ht == NULL) { 44 *ht = g_hash_table_new(g_str_hash, g_str_equal); 45 if (*ht == NULL) { 46 return; 47 } 48 } 49 50 item = strtok((char *) delog_list, MIX_DELOG_DELIMITERS); 51 while (item != NULL) { 52 g_hash_table_insert(*ht, item, "true"); 53 item = strtok(NULL, MIX_DELOG_DELIMITERS); 54 } 55 } 56 57 void mix_log_initialize_func() { 58 59 const gchar *mix_log_level = NULL; 60 g_static_mutex_lock(&g_mutex); 61 62 if (g_refcount == 0) { 63 64 mix_log_level = g_getenv(MIX_LOG_LEVEL); 65 if (mix_log_level) { 66 g_mix_log_level = atoi(mix_log_level); 67 } 68 69 mix_log_get_ht(&g_decom_ht, MIX_DELOG_COMPS); 70 mix_log_get_ht(&g_defile_ht, MIX_DELOG_FILES); 71 mix_log_get_ht(&g_defunc_ht, MIX_DELOG_FUNCS); 72 } 73 74 g_refcount++; 75 76 g_static_mutex_unlock(&g_mutex); 77 } 78 79 void mix_log_finalize_func() { 80 81 g_static_mutex_lock(&g_mutex); 82 83 g_refcount--; 84 85 if (g_refcount == 0) { 86 mix_log_destroy_ht(g_decom_ht); 87 mix_log_destroy_ht(g_defile_ht); 88 mix_log_destroy_ht(g_defunc_ht); 89 90 g_mix_log_level = MIX_LOG_LEVEL_VERBOSE; 91 } 92 93 if (g_refcount < 0) { 94 g_refcount = 0; 95 } 96 97 g_static_mutex_unlock(&g_mutex); 98 } 99 100 void mix_log_func(const gchar* comp, gint level, const gchar *file, 101 const gchar *func, gint line, const gchar *format, ...) { 102 103 va_list args; 104 static gchar* loglevel[4] = {"**ERROR", "*WARNING", "INFO", "VERBOSE"}; 105 106 if (!format) { 107 return; 108 } 109 110 g_static_mutex_lock(&g_mutex); 111 112 if (level > g_mix_log_level) { 113 goto exit; 114 } 115 116 if (g_decom_ht) { 117 if (g_hash_table_lookup(g_decom_ht, comp)) { 118 goto exit; 119 } 120 } 121 122 if (g_defile_ht) { 123 if (g_hash_table_lookup(g_defile_ht, file)) { 124 goto exit; 125 } 126 } 127 128 if (g_defunc_ht) { 129 if (g_hash_table_lookup(g_defunc_ht, func)) { 130 goto exit; 131 } 132 } 133 134 if(level > MIX_LOG_LEVEL_VERBOSE) { 135 level = MIX_LOG_LEVEL_VERBOSE; 136 } 137 if(level < MIX_LOG_LEVEL_ERROR) { 138 level = MIX_LOG_LEVEL_ERROR; 139 } 140 141 g_print("%s : %s : %s : ", loglevel[level - 1], file, func); 142 143 va_start(args, format); 144 g_vprintf(format, args); 145 va_end(args); 146 147 exit: g_static_mutex_unlock(&g_mutex); 148 } 149 150 #else /* MIX_LOG_USE_HT */ 151 152 gboolean mix_shall_delog(const gchar *name, const gchar *var) { 153 154 const char *delog_list = NULL; 155 char *item = NULL; 156 gboolean delog = FALSE; 157 158 if (!name || !var) { 159 return delog; 160 } 161 162 delog_list = g_getenv(var); 163 if (!delog_list) { 164 return delog; 165 } 166 167 item = strtok((char *) delog_list, MIX_DELOG_DELIMITERS); 168 while (item != NULL) { 169 if (strcmp(item, name) == 0) { 170 delog = TRUE; 171 break; 172 } 173 item = strtok(NULL, MIX_DELOG_DELIMITERS); 174 } 175 176 return delog; 177 } 178 179 gboolean mix_log_enabled() { 180 181 const char *value = NULL; 182 value = g_getenv(MIX_LOG_ENABLE); 183 if(!value) { 184 return FALSE; 185 } 186 187 if(value[0] == '0') { 188 return FALSE; 189 } 190 return TRUE; 191 } 192 193 void mix_log_func(const gchar* comp, gint level, const gchar *file, 194 const gchar *func, gint line, const gchar *format, ...) { 195 196 va_list args; 197 static gchar* loglevel[4] = { "**ERROR", "*WARNING", "INFO", "VERBOSE" }; 198 199 const gchar *env_mix_log_level = NULL; 200 gint mix_log_level_threhold = MIX_LOG_LEVEL_VERBOSE; 201 202 if(!mix_log_enabled()) { 203 return; 204 } 205 206 if (!format) { 207 return; 208 } 209 210 g_static_mutex_lock(&g_mutex); 211 212 /* log level */ 213 env_mix_log_level = g_getenv(MIX_LOG_LEVEL); 214 if (env_mix_log_level) { 215 mix_log_level_threhold = atoi(env_mix_log_level); 216 } 217 218 if (level > mix_log_level_threhold) { 219 goto exit; 220 } 221 222 /* component */ 223 if (mix_shall_delog(comp, MIX_DELOG_COMPS)) { 224 goto exit; 225 } 226 227 /* files */ 228 if (mix_shall_delog(file, MIX_DELOG_FILES)) { 229 goto exit; 230 } 231 232 /* functions */ 233 if (mix_shall_delog(func, MIX_DELOG_FUNCS)) { 234 goto exit; 235 } 236 237 if (level > MIX_LOG_LEVEL_VERBOSE) { 238 level = MIX_LOG_LEVEL_VERBOSE; 239 } 240 if (level < MIX_LOG_LEVEL_ERROR) { 241 level = MIX_LOG_LEVEL_ERROR; 242 } 243 244 g_print("%s : %s : %s : ", loglevel[level - 1], file, func); 245 246 va_start(args, format); 247 g_vprintf(format, args); 248 va_end(args); 249 250 exit: 251 g_static_mutex_unlock(&g_mutex); 252 } 253 254 255 #endif /* MIX_LOG_USE_HT */ 256 257 258