6 #include "mono-compiler.h"
7 #include "mono-logger-internals.h"
14 GLogLevelFlags mono_internal_current_level = INT_MAX;
15 MonoTraceMask mono_internal_current_mask = MONO_TRACE_ALL;
17 static GQueue *level_stack = NULL;
18 static const char *mono_log_domain = "Mono";
19 static MonoPrintCallback print_callback, printerr_callback;
21 static MonoLogCallback logCallback = {
31 * Initializes the mono tracer.
34 mono_trace_init (void)
36 if(level_stack == NULL) {
37 mono_internal_current_level = G_LOG_LEVEL_ERROR;
38 level_stack = g_queue_new();
40 mono_trace_set_mask_string(g_getenv("MONO_LOG_MASK"));
41 mono_trace_set_level_string(g_getenv("MONO_LOG_LEVEL"));
42 mono_trace_set_logdest_string(g_getenv("MONO_LOG_DEST"));
43 mono_trace_set_logheader_string(g_getenv("MONO_LOG_HEADER"));
50 * Releases the mono tracer.
53 mono_trace_cleanup (void)
55 if(level_stack != NULL) {
56 while(!g_queue_is_empty (level_stack)) {
57 g_free (g_queue_pop_head (level_stack));
60 g_queue_free (level_stack);
68 * @level: Verbose level of the specified message
69 * @mask: Type of the specified message
71 * Traces a new message, depending on the current logging level
75 mono_tracev_inner (GLogLevelFlags level, MonoTraceMask mask, const char *format, va_list args)
77 if (level_stack == NULL) {
79 if(level > mono_internal_current_level || !(mask & mono_internal_current_mask))
83 if (logCallback.opener == NULL) {
84 logCallback.opener = mono_log_open_logfile;
85 logCallback.writer = mono_log_write_logfile;
86 logCallback.closer = mono_log_close_logfile;
87 logCallback.opener(NULL, NULL);
89 logCallback.writer(mono_log_domain, level, logCallback.header, format, args);
93 * mono_trace_set_level:
95 * @level: Verbose level to set
97 * Sets the current logging level. Every subsequent call to
98 * mono_trace will check the visibility of a message against this
102 mono_trace_set_level (GLogLevelFlags level)
104 if(level_stack == NULL)
107 mono_internal_current_level = level;
111 * mono_trace_set_mask:
113 * @mask: Mask of visible message types.
115 * Sets the current logging level. Every subsequent call to
116 * mono_trace will check the visibility of a message against this
120 mono_trace_set_mask (MonoTraceMask mask)
122 if(level_stack == NULL)
125 mono_internal_current_mask = mask;
129 * mono_trace_set_logdest:
131 * @dest: Destination for logging
133 * Sets the current logging destination. This can be a file or, if supported,
137 mono_trace_set_logdest_string (const char *dest)
139 MonoLogCallback logger;
141 if(level_stack == NULL)
144 if ((dest == NULL) || (strcmp("syslog", dest) != 0)) {
145 logger.opener = mono_log_open_logfile;
146 logger.writer = mono_log_write_logfile;
147 logger.closer = mono_log_close_logfile;
148 mono_trace_set_log_handler(&logger, dest, NULL);
150 logger.opener = mono_log_open_syslog;
151 logger.writer = mono_log_write_syslog;
152 logger.closer = mono_log_close_syslog;
153 mono_trace_set_log_handler(&logger, mono_log_domain, NULL);
158 * mono_trace_set_logheader:
160 * @head: Whether we want pid/date/time header on log messages
162 * Sets the current logging header option.
165 mono_trace_set_logheader_string(const char *head)
167 MonoLogCallback logger;
169 if(level_stack == NULL)
173 logger.header = FALSE;
175 logger.header = TRUE;
182 * @level: Verbose level to set
183 * @mask: Mask of visible message types.
185 * Saves the current values of level and mask then calls mono_trace_set
186 * with the specified new values.
189 mono_trace_push (GLogLevelFlags level, MonoTraceMask mask)
191 if(level_stack == NULL)
192 g_error("%s: cannot use mono_trace_push without calling mono_trace_init first.", __func__);
194 MonoLogLevelEntry *entry = (MonoLogLevelEntry *) g_malloc(sizeof(MonoLogLevelEntry));
195 entry->level = mono_internal_current_level;
196 entry->mask = mono_internal_current_mask;
198 g_queue_push_head (level_stack, (gpointer)entry);
200 /* Set the new level and mask
202 mono_internal_current_level = level;
203 mono_internal_current_mask = mask;
210 * Restores level and mask values saved from a previous call to mono_trace_push.
213 mono_trace_pop (void)
215 if(level_stack == NULL)
216 g_error("%s: cannot use mono_trace_pop without calling mono_trace_init first.", __func__);
218 if(!g_queue_is_empty (level_stack)) {
219 MonoLogLevelEntry *entry = (MonoLogLevelEntry*)g_queue_pop_head (level_stack);
221 /* Restore previous level and mask
223 mono_internal_current_level = entry->level;
224 mono_internal_current_mask = entry->mask;
233 mono_trace_set_level_string (const char *value)
236 const char *valid_vals[] = {"error", "critical", "warning", "message", "info", "debug", NULL};
237 const GLogLevelFlags valid_ids[] = {G_LOG_LEVEL_ERROR, G_LOG_LEVEL_CRITICAL, G_LOG_LEVEL_WARNING,
238 G_LOG_LEVEL_MESSAGE, G_LOG_LEVEL_INFO, G_LOG_LEVEL_DEBUG };
243 while(valid_vals[i]) {
244 if(!strcmp(valid_vals[i], value)){
245 mono_trace_set_level(valid_ids[i]);
252 g_print("Unknown trace loglevel: %s\n", value);
256 mono_trace_set_mask_string (const char *value)
262 const char *valid_flags[] = {"asm", "type", "dll", "gc", "cfg", "aot", "security", "threadpool", "io-threadpool", "io-layer", "all", NULL};
263 const MonoTraceMask valid_masks[] = {MONO_TRACE_ASSEMBLY, MONO_TRACE_TYPE, MONO_TRACE_DLLIMPORT,
264 MONO_TRACE_GC, MONO_TRACE_CONFIG, MONO_TRACE_AOT, MONO_TRACE_SECURITY,
265 MONO_TRACE_THREADPOOL, MONO_TRACE_IO_THREADPOOL, MONO_TRACE_IO_LAYER, MONO_TRACE_ALL };
277 for (i = 0; valid_flags[i]; i++) {
278 int len = strlen (valid_flags[i]);
279 if (strncmp (tok, valid_flags[i], len) == 0 && (tok[len] == 0 || tok[len] == ',')) {
280 flags |= valid_masks[i];
285 if (!valid_flags[i]) {
286 g_print("Unknown trace flag: %s\n", tok);
291 mono_trace_set_mask ((MonoTraceMask) flags);
295 * mono_trace_is_traced:
297 * Returns whenever a message with @level and @mask will be printed or not.
300 mono_trace_is_traced (GLogLevelFlags level, MonoTraceMask mask)
302 return (level <= mono_internal_current_level && mask & mono_internal_current_mask);
306 * mono_trace_set_log_handler:
308 * @callback The callback that will replace the default logging handler
309 * @user_data Argument passed to @callback
311 * The log handler replaces the default runtime logger. All logging requests with be routed to it.
312 * If the fatal argument in the callback is true, the callback must abort the current process. The runtime expects that
313 * execution will not resume after a fatal error.
316 mono_trace_set_log_handler (MonoLogCallback *callback, const char *dest, void *user_data)
319 logCallback.opener = callback->opener;
320 logCallback.writer = callback->writer;
321 logCallback.closer = callback->closer;
322 logCallback.opener(dest, user_data);
326 print_handler (const char *string)
328 print_callback (string, TRUE);
332 printerr_handler (const char *string)
334 printerr_callback (string, FALSE);
338 * mono_trace_set_print_handler:
340 * @callback The callback that will replace the default runtime behavior for stdout output.
342 * The print handler replaces the default runtime stdout output handler. This is used by free form output done by the runtime.
346 mono_trace_set_print_handler (MonoPrintCallback callback)
349 print_callback = callback;
350 g_set_print_handler (print_handler);
354 * mono_trace_set_printerr_handler:
356 * @callback The callback that will replace the default runtime behavior for stderr output.
358 * The print handler replaces the default runtime stderr output handler. This is used by free form output done by the runtime.
362 mono_trace_set_printerr_handler (MonoPrintCallback callback)
365 printerr_callback = callback;
366 g_set_printerr_handler (printerr_handler);