Merged revisions 127068 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r127068 | tilghman | 2008-07-01 13:52:53 -0500 (Tue, 01 Jul 2008) | 8 lines

Change around how we schedule pings and lagrqs, and fix a reason why the
jobs were not getting properly cancelled.
(closes issue #12903)
 Reported by: stevedavies
 Patches:
       20080620__bug12903__2.diff.txt uploaded by Corydon76 (license 14)
 Tested by: stevedavies

........

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@127074 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 6276441..e78a8b6 100644 (file)
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -1147,12 +1147,16 @@ static void __send_ping(const void *data)
 
        ast_mutex_lock(&iaxsl[callno]);
 
-       while (iaxs[callno] && iaxs[callno]->pingid != -1) {
+       if (iaxs[callno]) {
                if (iaxs[callno]->peercallno) {
                        send_command(iaxs[callno], AST_FRAME_IAX, IAX_COMMAND_PING, 0, NULL, 0, -1);
+                       iaxs[callno]->pingid = iax2_sched_add(sched, ping_time * 1000, send_ping, data);
+               } else {
+                       /* I am the schedule, so I'm allowed to do this */
+                       iaxs[callno]->pingid = -1;
                }
-               iaxs[callno]->pingid = iax2_sched_add(sched, ping_time * 1000, send_ping, data);
-               break;
+       } else if (option_debug > 0) {
+               ast_log(LOG_DEBUG, "I was supposed to send a PING with callno %d, but no such call exists (and I cannot remove pingid, either).\n", callno);
        }
 
        ast_mutex_unlock(&iaxsl[callno]);
@@ -1160,14 +1164,6 @@ static void __send_ping(const void *data)
 
 static int send_ping(const void *data)
 {
-       int callno = (long) data;
-
-       ast_mutex_lock(&iaxsl[callno]);
-       if (iaxs[callno]) {
-               iaxs[callno]->pingid = -1;
-       }
-       ast_mutex_unlock(&iaxsl[callno]);
-
 #ifdef SCHED_MULTITHREADED
        if (schedule_action(__send_ping, data))
 #endif         
@@ -1196,12 +1192,16 @@ static void __send_lagrq(const void *data)
 
        ast_mutex_lock(&iaxsl[callno]);
 
-       while (iaxs[callno] && iaxs[callno]->lagid > -1) {
+       if (iaxs[callno]) {
                if (iaxs[callno]->peercallno) {
                        send_command(iaxs[callno], AST_FRAME_IAX, IAX_COMMAND_LAGRQ, 0, NULL, 0, -1);
+                       iaxs[callno]->lagid = iax2_sched_add(sched, lagrq_time * 1000, send_lagrq, data);
+               } else {
+                       /* I am the schedule, so I'm allowed to do this */
+                       iaxs[callno]->lagid = -1;
                }
-               iaxs[callno]->lagid = iax2_sched_add(sched, lagrq_time * 1000, send_lagrq, data);
-               break;
+       } else if (option_debug > 0) {
+               ast_log(LOG_DEBUG, "I was supposed to send a LAGRQ with callno %d, but no such call exists (and I cannot remove lagid, either).\n", callno);
        }
 
        ast_mutex_unlock(&iaxsl[callno]);
@@ -1209,14 +1209,6 @@ static void __send_lagrq(const void *data)
 
 static int send_lagrq(const void *data)
 {
-       int callno = (long) data;
-
-       ast_mutex_lock(&iaxsl[callno]);
-       if (iaxs[callno]) {
-               iaxs[callno]->lagid = -1;
-       }
-       ast_mutex_unlock(&iaxsl[callno]);
-
 #ifdef SCHED_MULTITHREADED
        if (schedule_action(__send_lagrq, data))
 #endif         
@@ -1569,13 +1561,19 @@ static int make_trunk(unsigned short callno, int locked)
        for (x = TRUNK_CALL_START; x < ARRAY_LEN(iaxs) - 1; x++) {
                ast_mutex_lock(&iaxsl[x]);
                if (!iaxs[x] && ((now.tv_sec - lastused[x].tv_sec) > MIN_REUSE_TIME)) {
+                       /*!
+                        * \note We delete these before switching the slot, because if
+                        * they fire in the meantime, they will generate a warning.
+                        */
+                       AST_SCHED_DEL(sched, iaxs[callno]->pingid);
+                       AST_SCHED_DEL(sched, iaxs[callno]->lagid);
                        iaxs[x] = iaxs[callno];
                        iaxs[x]->callno = x;
                        iaxs[callno] = NULL;
                        /* Update the two timers that should have been started */
-                       iaxs[x]->pingid = iax2_sched_replace(iaxs[x]->pingid, sched, 
+                       iaxs[x]->pingid = iax2_sched_add(sched, 
                                ping_time * 1000, send_ping, (void *)(long)x);
-                       iaxs[x]->lagid = iax2_sched_replace(iaxs[x]->lagid, sched, 
+                       iaxs[x]->lagid = iax2_sched_add(sched, 
                                lagrq_time * 1000, send_lagrq, (void *)(long)x);
                        if (locked)
                                ast_mutex_unlock(&iaxsl[callno]);