[Freeswitch-svn] [commit] r7311 - in freeswitch/trunk/src: . include include/private mod/endpoints/mod_sofia

Freeswitch SVN anthm at freeswitch.org
Mon Jan 21 12:14:43 EST 2008


Author: anthm
Date: Mon Jan 21 12:14:43 2008
New Revision: 7311

Modified:
   freeswitch/trunk/src/include/private/switch_core_pvt.h
   freeswitch/trunk/src/include/switch_types.h
   freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c
   freeswitch/trunk/src/switch_core_media_bug.c
   freeswitch/trunk/src/switch_core_session.c
   freeswitch/trunk/src/switch_ivr_async.c

Log:
fix obscure race condition

Modified: freeswitch/trunk/src/include/private/switch_core_pvt.h
==============================================================================
--- freeswitch/trunk/src/include/private/switch_core_pvt.h	(original)
+++ freeswitch/trunk/src/include/private/switch_core_pvt.h	Mon Jan 21 12:14:43 2008
@@ -153,6 +153,7 @@
 	uint32_t flags;
 	uint8_t ready;
 	time_t stop_time;
+	switch_thread_id_t thread_id;
 	struct switch_media_bug *next;
 };
 

Modified: freeswitch/trunk/src/include/switch_types.h
==============================================================================
--- freeswitch/trunk/src/include/switch_types.h	(original)
+++ freeswitch/trunk/src/include/switch_types.h	Mon Jan 21 12:14:43 2008
@@ -830,6 +830,7 @@
 SMBF_READ_REPLACE - Replace the Read Stream
 SMBF_STEREO - Record in stereo
 SMBF_ANSWER_RECORD_REQ - Don't record until the channel is answered
+SMBF_THREAD_LOCK - Only let the same thread who created the bug remove it.
 </pre>
 */
 typedef enum {
@@ -840,7 +841,8 @@
 	SMBF_READ_REPLACE = (1 << 3),
 	SMBF_READ_PING = (1 << 4),
 	SMBF_STEREO = (1 << 5),
-	SMBF_RECORD_ANSWER_REQ = (1 << 6)
+	SMBF_RECORD_ANSWER_REQ = (1 << 6),
+	SMBF_THREAD_LOCK = (1 << 7)
 } switch_media_bug_flag_t;
 
 /*!

Modified: freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c	Mon Jan 21 12:14:43 2008
@@ -1748,11 +1748,11 @@
 		} else if (!strchr(dest, '@')) {
 			char buf[128];
 			tech_pvt->e_dest = switch_core_session_strdup(nsession, dest);
-			if (sofia_reg_find_reg_url(profile, dest, profile_name, buf, sizeof(buf))) {
+			if (sofia_reg_find_reg_url(profile, dest, profile->name, buf, sizeof(buf))) {
 				tech_pvt->dest = switch_core_session_strdup(nsession, buf);
-				tech_pvt->local_url = switch_core_session_sprintf(nsession, "%s@%s", dest, profile_name);
+				tech_pvt->local_url = switch_core_session_sprintf(nsession, "%s@%s", dest, profile->name);
 			} else {
-				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Cannot locate registered user %s@%s\n", dest, profile_name);
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Cannot locate registered user %s@%s\n", dest, profile->name);
 				cause = SWITCH_CAUSE_NO_ROUTE_DESTINATION;
 				goto error;
 			}

Modified: freeswitch/trunk/src/switch_core_media_bug.c
==============================================================================
--- freeswitch/trunk/src/switch_core_media_bug.c	(original)
+++ freeswitch/trunk/src/switch_core_media_bug.c	Mon Jan 21 12:14:43 2008
@@ -244,6 +244,12 @@
 		switch_buffer_create_dynamic(&bug->raw_write_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, MAX_BUG_BUFFER);
 		switch_mutex_init(&bug->write_mutex, SWITCH_MUTEX_NESTED, session->pool);
 	}
+
+	if ((bug->flags & SMBF_THREAD_LOCK)) {
+		bug->thread_id = switch_thread_self();
+	}
+
+
 	bug->ready = 1;
 	switch_thread_rwlock_wrlock(session->bug_rwlock);
 	bug->next = session->bugs;
@@ -269,6 +275,11 @@
 	if (session->bugs) {
 		switch_thread_rwlock_wrlock(session->bug_rwlock);
 		for (bp = session->bugs; bp; bp = bp->next) {
+			if (bp->thread_id && bp->thread_id != switch_thread_self()) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "BUG is thread locked skipping.\n");
+				continue;
+			}
+
 			if (bp->callback) {
 				bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_CLOSE);
 			}
@@ -287,6 +298,11 @@
 {
 	switch_media_bug_t *bp = *bug;
 	if (bp) {
+		if (bp->thread_id && bp->thread_id != switch_thread_self()) {
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "BUG is thread locked skipping.\n");
+			return SWITCH_STATUS_FALSE;
+		}
+
 		if (bp->callback) {
 			bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_CLOSE);
 			bp->ready = 0;
@@ -308,6 +324,11 @@
 	if (session->bugs) {
 		switch_thread_rwlock_wrlock(session->bug_rwlock);
 		for (bp = session->bugs; bp; bp = bp->next) {
+			if (bp->thread_id && bp->thread_id != switch_thread_self()) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "BUG is thread locked skipping.\n");
+				continue;
+			}
+
 			if (!bp->ready) {
 				continue;
 			}

Modified: freeswitch/trunk/src/switch_core_session.c
==============================================================================
--- freeswitch/trunk/src/switch_core_session.c	(original)
+++ freeswitch/trunk/src/switch_core_session.c	Mon Jan 21 12:14:43 2008
@@ -657,7 +657,8 @@
 	switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_NOTICE, "Close Channel %s [%s]\n", 
 					  switch_channel_get_name((*session)->channel),
 					  switch_channel_state_name(switch_channel_get_state((*session)->channel)));
-	
+
+	switch_core_media_bug_remove_all(*session);	
 	switch_ivr_deactivate_unicast(*session);
 	
 	switch_scheduler_del_task_group((*session)->uuid_str);
@@ -674,7 +675,7 @@
 		switch_event_fire(&event);
 	}
 
-	switch_core_media_bug_remove_all(*session);
+
 	switch_buffer_destroy(&(*session)->raw_read_buffer);
 	switch_buffer_destroy(&(*session)->raw_write_buffer);
 	switch_ivr_clear_speech_cache(*session);
@@ -694,10 +695,7 @@
 	switch_core_session_t *session = obj;
 	session->thread = thread;
 
-
-
 	switch_core_session_run(session);
-	switch_core_media_bug_remove_all(session);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Session %"SWITCH_SIZE_T_FMT" (%s) Locked, Waiting on external entities\n",
 					  session->id, switch_channel_get_name(session->channel));
 	switch_core_session_write_lock(session);

Modified: freeswitch/trunk/src/switch_ivr_async.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr_async.c	(original)
+++ freeswitch/trunk/src/switch_ivr_async.c	Mon Jan 21 12:14:43 2008
@@ -503,9 +503,10 @@
 		switch_channel_t *tchannel = switch_core_session_get_channel(tsession);
 		switch_frame_t *read_frame, write_frame = { 0 };
 		switch_codec_t codec = {0};
-		int16_t buf[1024];
+		int16_t buf[8192];
 		switch_codec_t *tread_codec = switch_core_session_get_read_codec(tsession);
-		
+		int tlen = tread_codec->implementation->bytes_per_frame;
+
 		ep = switch_core_session_alloc(session, sizeof(*ep));
 
 		switch_channel_pre_answer(channel);
@@ -543,7 +544,7 @@
 
 		
 		if (switch_core_media_bug_add(tsession, eavesdrop_callback, ep, 0, 
-									  SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_REPLACE | SMBF_WRITE_REPLACE | SMBF_READ_PING,
+									  SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_REPLACE | SMBF_WRITE_REPLACE | SMBF_READ_PING | SMBF_THREAD_LOCK,
 									  &bug) != SWITCH_STATUS_SUCCESS) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot attach bug\n");
 			goto end;
@@ -630,11 +631,10 @@
 				switch_buffer_unlock(ep->w_buffer);
 			}
 
-
-			if (len > tread_codec->implementation->bytes_per_frame) {
-				len = tread_codec->implementation->bytes_per_frame;
+			if (len > tlen) {
+				len = tlen;
 			}
-			
+
             if (switch_buffer_inuse(ep->buffer) >= len) {
                 switch_buffer_lock(ep->buffer);				
 				while (switch_buffer_inuse(ep->buffer) >= len) {



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