10 #include "mono-compiler.h"
11 #include "mono-logger-internals.h"
18 GLogLevelFlags mono_internal_current_level = INT_MAX;
19 MonoTraceMask mono_internal_current_mask = MONO_TRACE_ALL;
20 gboolean mono_trace_log_header = FALSE;
22 static GQueue *level_stack = NULL;
23 static const char *mono_log_domain = "Mono";
24 static MonoPrintCallback print_callback, printerr_callback;
26 static MonoLogCallParm logCallback = {
34 MonoLogCallback legacy_callback;
36 } UserSuppliedLoggerUserData;
41 * Initializes the mono tracer.
44 mono_trace_init (void)
46 if(level_stack == NULL) {
47 mono_internal_current_level = G_LOG_LEVEL_ERROR;
48 level_stack = g_queue_new();
50 mono_trace_set_mask_string(g_getenv("MONO_LOG_MASK"));
51 mono_trace_set_level_string(g_getenv("MONO_LOG_LEVEL"));
52 mono_trace_set_logheader_string(g_getenv("MONO_LOG_HEADER"));
53 mono_trace_set_logdest_string(g_getenv("MONO_LOG_DEST"));
60 * Releases the mono tracer.
63 mono_trace_cleanup (void)
65 if(level_stack != NULL) {
66 while(!g_queue_is_empty (level_stack)) {
67 g_free (g_queue_pop_head (level_stack));
71 g_queue_free (level_stack);
79 * @level: Verbose level of the specified message
80 * @mask: Type of the specified message
82 * Traces a new message, depending on the current logging level
86 mono_tracev_inner (GLogLevelFlags level, MonoTraceMask mask, const char *format, va_list args)
89 if (level_stack == NULL) {
91 if(level > mono_internal_current_level || !(mask & mono_internal_current_mask))
95 g_assert (logCallback.opener); // mono_trace_init should have provided us with one!
97 if (g_vasprintf (&log_message, format, args) < 0)
99 logCallback.writer (mono_log_domain, level, logCallback.header, log_message);
100 g_free (log_message);
104 * mono_trace_set_level:
106 * @level: Verbose level to set
108 * Sets the current logging level. Every subsequent call to
109 * mono_trace will check the visibility of a message against this
113 mono_trace_set_level (GLogLevelFlags level)
115 if(level_stack == NULL)
118 mono_internal_current_level = level;
122 * mono_trace_set_mask:
124 * @mask: Mask of visible message types.
126 * Sets the current logging level. Every subsequent call to
127 * mono_trace will check the visibility of a message against this
131 mono_trace_set_mask (MonoTraceMask mask)
133 if(level_stack == NULL)
136 mono_internal_current_mask = mask;
140 * mono_trace_set_logdest:
142 * @dest: Destination for logging
144 * Sets the current logging destination. This can be a file or, if supported,
148 mono_trace_set_logdest_string (const char *dest)
150 MonoLogCallParm logger;
152 if(level_stack == NULL)
156 logger.opener = mono_log_open_logcat;
157 logger.writer = mono_log_write_logcat;
158 logger.closer = mono_log_close_logcat;
159 logger.dest = (char*) dest;
160 #elif defined (HOST_IOS)
161 logger.opener = mono_log_open_asl;
162 logger.writer = mono_log_write_asl;
163 logger.closer = mono_log_close_asl;
164 logger.dest = (char*) dest;
166 if ((dest == NULL) || (strcmp("syslog", dest) != 0)) {
167 logger.opener = mono_log_open_logfile;
168 logger.writer = mono_log_write_logfile;
169 logger.closer = mono_log_close_logfile;
170 logger.dest = (char *) dest;
172 logger.opener = mono_log_open_syslog;
173 logger.writer = mono_log_write_syslog;
174 logger.closer = mono_log_close_syslog;
175 logger.dest = (char *) dest;
178 mono_trace_set_log_handler_internal(&logger, NULL);
182 * mono_trace_set_logheader:
184 * @head: Whether we want pid/date/time header on log messages
186 * Sets the current logging header option.
189 mono_trace_set_logheader_string(const char *head)
192 mono_trace_log_header = FALSE;
194 mono_trace_log_header = TRUE;
201 * @level: Verbose level to set
202 * @mask: Mask of visible message types.
204 * Saves the current values of level and mask then calls mono_trace_set
205 * with the specified new values.
208 mono_trace_push (GLogLevelFlags level, MonoTraceMask mask)
210 if(level_stack == NULL)
211 g_error("%s: cannot use mono_trace_push without calling mono_trace_init first.", __func__);
213 MonoLogLevelEntry *entry = (MonoLogLevelEntry *) g_malloc(sizeof(MonoLogLevelEntry));
214 entry->level = mono_internal_current_level;
215 entry->mask = mono_internal_current_mask;
217 g_queue_push_head (level_stack, (gpointer)entry);
219 /* Set the new level and mask
221 mono_internal_current_level = level;
222 mono_internal_current_mask = mask;
229 * Restores level and mask values saved from a previous call to mono_trace_push.
232 mono_trace_pop (void)
234 if(level_stack == NULL)
235 g_error("%s: cannot use mono_trace_pop without calling mono_trace_init first.", __func__);
237 if(!g_queue_is_empty (level_stack)) {
238 MonoLogLevelEntry *entry = (MonoLogLevelEntry*)g_queue_pop_head (level_stack);
240 /* Restore previous level and mask
242 mono_internal_current_level = entry->level;
243 mono_internal_current_mask = entry->mask;
252 mono_trace_set_level_string (const char *value)
255 const char *valid_vals[] = {"error", "critical", "warning", "message", "info", "debug", NULL};
256 const GLogLevelFlags valid_ids[] = {G_LOG_LEVEL_ERROR, G_LOG_LEVEL_CRITICAL, G_LOG_LEVEL_WARNING,
257 G_LOG_LEVEL_MESSAGE, G_LOG_LEVEL_INFO, G_LOG_LEVEL_DEBUG };
262 while(valid_vals[i]) {
263 if(!strcmp(valid_vals[i], value)){
264 mono_trace_set_level(valid_ids[i]);
271 g_print("Unknown trace loglevel: %s\n", value);
275 mono_trace_set_mask_string (const char *value)
281 const char *valid_flags[] = {"asm", "type", "dll", "gc", "cfg", "aot", "security", "threadpool", "io-threadpool", "io-layer", "w32handle", "all", NULL};
282 const MonoTraceMask valid_masks[] = {MONO_TRACE_ASSEMBLY, MONO_TRACE_TYPE, MONO_TRACE_DLLIMPORT,
283 MONO_TRACE_GC, MONO_TRACE_CONFIG, MONO_TRACE_AOT, MONO_TRACE_SECURITY,
284 MONO_TRACE_THREADPOOL, MONO_TRACE_IO_THREADPOOL, MONO_TRACE_IO_LAYER,
285 MONO_TRACE_W32HANDLE, MONO_TRACE_ALL };
297 for (i = 0; valid_flags[i]; i++) {
298 size_t len = strlen (valid_flags[i]);
299 if (strncmp (tok, valid_flags[i], len) == 0 && (tok[len] == 0 || tok[len] == ',')) {
300 flags |= valid_masks[i];
305 if (!valid_flags[i]) {
306 g_print("Unknown trace flag: %s\n", tok);
311 mono_trace_set_mask ((MonoTraceMask) flags);
315 * mono_trace_is_traced:
317 * Returns whenever a message with @level and @mask will be printed or not.
320 mono_trace_is_traced (GLogLevelFlags level, MonoTraceMask mask)
322 return (level <= mono_internal_current_level && mask & mono_internal_current_mask);
327 * @log_level severity level
329 * Convert log level into a string for legacy log handlers
332 log_level_get_name (GLogLevelFlags log_level)
334 switch (log_level & G_LOG_LEVEL_MASK) {
335 case G_LOG_LEVEL_ERROR: return "error";
336 case G_LOG_LEVEL_CRITICAL: return "critical";
337 case G_LOG_LEVEL_WARNING: return "warning";
338 case G_LOG_LEVEL_MESSAGE: return "message";
339 case G_LOG_LEVEL_INFO: return "info";
340 case G_LOG_LEVEL_DEBUG: return "debug";
341 default: return "unknown";
348 * @log_domain Message prefix
349 * @log_level Severity
350 * @message Message to be written
351 * @fatal Fatal flag - write then abort
352 * @user_data Argument passed to @callback
354 * This adapts the old callback writer exposed by MonoCallback to the newer method of
355 * logging. We ignore the header request as legacy handlers never had headers.
358 callback_adapter (const char *domain, GLogLevelFlags level, mono_bool fatal, const char *message)
360 UserSuppliedLoggerUserData *ll =logCallback.user_data;
362 ll->legacy_callback (domain, log_level_get_name(level), message, fatal, ll->user_data);
366 eglib_log_adapter (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data)
368 UserSuppliedLoggerUserData *ll = logCallback.user_data;
370 ll->legacy_callback (log_domain, log_level_get_name (log_level), message, log_level & G_LOG_LEVEL_ERROR, ll->user_data);
376 * Dummy routine for older style loggers
379 legacy_opener(const char *path, void *user_data)
387 * Cleanup routine for older style loggers
392 if (logCallback.user_data != NULL) {
393 g_free (logCallback.user_data); /* This is a UserSuppliedLoggerUserData struct */
394 logCallback.opener = NULL;
395 logCallback.writer = NULL;
396 logCallback.closer = NULL;
397 logCallback.user_data = NULL;
398 logCallback.header = FALSE;
403 * mono_trace_set_log_handler:
405 * @callback The callback that will replace the default logging handler
406 * @user_data Argument passed to @callback
408 * The log handler replaces the default runtime logger. All logging requests with be routed to it.
409 * If the fatal argument in the callback is true, the callback must abort the current process. The runtime expects that
410 * execution will not resume after a fatal error.
413 mono_trace_set_log_handler (MonoLogCallback callback, void *user_data)
417 if (logCallback.closer != NULL)
418 logCallback.closer();
419 UserSuppliedLoggerUserData *ll = g_malloc (sizeof (UserSuppliedLoggerUserData));
420 ll->legacy_callback = callback;
421 ll->user_data = user_data;
422 logCallback.opener = legacy_opener;
423 logCallback.writer = callback_adapter;
424 logCallback.closer = legacy_closer;
425 logCallback.user_data = ll;
426 logCallback.dest = NULL;
428 g_log_set_default_handler (eglib_log_adapter, user_data);
432 structured_log_adapter (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data)
434 logCallback.writer (log_domain, log_level, logCallback.header, message);
438 * mono_trace_set_log_handler_internal:
440 * @callback The callback that will replace the default logging handler
441 * @user_data Argument passed to @callback
443 * The log handler replaces the default runtime logger. All logging requests with be routed to it.
444 * If the fatal argument in the callback is true, the callback must abort the current process. The runtime expects that
445 * execution will not resume after a fatal error.
448 mono_trace_set_log_handler_internal (MonoLogCallParm *callback, void *user_data)
451 if (logCallback.closer != NULL)
452 logCallback.closer();
453 logCallback.opener = callback->opener;
454 logCallback.writer = callback->writer;
455 logCallback.closer = callback->closer;
456 logCallback.header = mono_trace_log_header;
457 logCallback.dest = callback->dest;
458 logCallback.opener (logCallback.dest, user_data);
460 g_log_set_default_handler (structured_log_adapter, user_data);
464 print_handler (const char *string)
466 print_callback (string, TRUE);
470 printerr_handler (const char *string)
472 printerr_callback (string, FALSE);
476 * mono_trace_set_print_handler:
478 * @callback The callback that will replace the default runtime behavior for stdout output.
480 * The print handler replaces the default runtime stdout output handler. This is used by free form output done by the runtime.
484 mono_trace_set_print_handler (MonoPrintCallback callback)
487 print_callback = callback;
488 g_set_print_handler (print_handler);
492 * mono_trace_set_printerr_handler:
494 * @callback The callback that will replace the default runtime behavior for stderr output.
496 * The print handler replaces the default runtime stderr output handler. This is used by free form output done by the runtime.
500 mono_trace_set_printerr_handler (MonoPrintCallback callback)
503 printerr_callback = callback;
504 g_set_printerr_handler (printerr_handler);