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asterisk
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Merged revisions 133665 via svnmerge from

Browse Source 
https://origsvn.digium.com/svn/asterisk/trunk

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r133665 | tilghman | 2008-07-25 12:24:43 -0500 (Fri, 25 Jul 2008) | 16 lines

Merged revisions 133649 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r133649 | tilghman | 2008-07-25 12:19:39 -0500 (Fri, 25 Jul 2008) | 8 lines

Fix some errant device states by making the devicestate API more strict in
terms of the device argument (only without the unique identifier appended).
(closes issue #12771)
 Reported by: davidw
 Patches: 
       20080717__bug12771.diff.txt uploaded by Corydon76 (license 14)
 Tested by: davidw, jvandal, murf

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@133671 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Tilghman Lesher 17 years ago
parent 8209b6c64b
commit e680b3734f
3 changed files with 31 additions and 44 deletions
Show Stats Download Patch File Download Diff File

23
channels/chan_agent.c
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@ -265,6 +265,18 @@ static void agent_devicestate_cb(const struct ast_event *event, void *unused)
const char *device;
enum ast_device_state state;
state = ast_event_get_ie_uint(event, AST_EVENT_IE_STATE);
device = ast_event_get_ie_str(event, AST_EVENT_IE_DEVICE);
if (ast_strlen_zero(device)) {
return;
}
/* Skip Agent status */
if (!strncasecmp(device, "Agent/", 6)) {
return;
}
/* Try to be safe, but don't deadlock */
for (i = 0; i < 10; i++) {
if ((res = AST_LIST_TRYLOCK(&agents)) == 0) {
@ -275,14 +287,6 @@ static void agent_devicestate_cb(const struct ast_event *event, void *unused)
return;
}
state = ast_event_get_ie_uint(event, AST_EVENT_IE_STATE);
device = ast_event_get_ie_str(event, AST_EVENT_IE_DEVICE);
if (ast_strlen_zero(device)) {
AST_LIST_UNLOCK(&agents);
return;
}
AST_LIST_TRAVERSE(&agents, p, list) {
ast_mutex_lock(&p->lock);
if (p->chan) {
@ -505,6 +509,7 @@ static struct ast_frame *agent_read(struct ast_channel *ast)
}
p->chan = NULL;
p->inherited_devicestate = -1;
ast_device_state_changed("Agent/%s", p->agent);
p->acknowledged = 0;
}
} else {
@ -720,6 +725,7 @@ static int agent_call(struct ast_channel *ast, char *dest, int timeout)
/* Agent hung-up */
p->chan = NULL;
p->inherited_devicestate = -1;
ast_device_state_changed("Agent/%s", p->agent);
}
if (!res) {
@ -841,6 +847,7 @@ static int agent_hangup(struct ast_channel *ast)
ast_hangup(p->chan);
p->chan = NULL;
p->inherited_devicestate = -1;
ast_device_state_changed("Agent/%s", p->agent);
}
ast_debug(1, "Hungup, howlong is %d, autologoff is %d\n", howlong, p->autologoff);
if ((p->deferlogoff) || (howlong && p->autologoff && (howlong > p->autologoff))) {

13
main/channel.c
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@ -1262,7 +1262,7 @@ void ast_channel_free(struct ast_channel *chan)
struct ast_frame *f;
struct varshead *headp;
struct ast_datastore *datastore = NULL;
char name[AST_CHANNEL_NAME];
char name[AST_CHANNEL_NAME], *dashptr;
headp=&chan->varshead;
@ -1295,6 +1295,9 @@ void ast_channel_free(struct ast_channel *chan)
sched_context_destroy(chan->sched);
ast_copy_string(name, chan->name, sizeof(name));
if ((dashptr = strrchr(name, '-'))) {
*dashptr = '\0';
}
/* Stop monitoring */
if (chan->monitor)
@ -4068,12 +4071,18 @@ void ast_set_callerid(struct ast_channel *chan, const char *cid_num, const char
int ast_setstate(struct ast_channel *chan, enum ast_channel_state state)
{
int oldstate = chan->_state;
char name[AST_CHANNEL_NAME], *dashptr;
if (oldstate == state)
return 0;
ast_copy_string(name, chan->name, sizeof(name));
if ((dashptr = strrchr(name, '-'))) {
*dashptr = '\0';
}
chan->_state = state;
ast_device_state_changed_literal(chan->name);
ast_device_state_changed_literal(name);
/* setstate used to conditionally report Newchannel; this is no more */
manager_event(EVENT_FLAG_CALL,
"Newstate",

39
main/devicestate.c
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@ -432,15 +432,11 @@ static void do_state_change(const char *device)
devstate_event(device, state, CACHE_OFF);
}
static int __ast_devstate_changed_literal(enum ast_device_state state, char *buf, int norecurse)
int ast_devstate_changed_literal(enum ast_device_state state, const char *device)
{
char *device;
struct state_change *change;
char *tmp = NULL;
ast_debug(3, "Notification of state change to be queued on device/channel %s\n", buf);
device = buf;
ast_debug(3, "Notification of state change to be queued on device/channel %s\n", device);
if (state != AST_DEVICE_UNKNOWN) {
devstate_event(device, state, CACHE_ON);
@ -457,37 +453,12 @@ static int __ast_devstate_changed_literal(enum ast_device_state state, char *buf
AST_LIST_UNLOCK(&state_changes);
}
/* The problem with this API is that a device may be called with the unique
* identifier appended or not, but it's separated from the channel name
* with a '-', which is also a legitimate character in a channel name. So,
* we have to force both names to get their names checked for state changes
* to ensure that the right one gets notified. Not a huge performance hit,
* but it might could be fixed by an enterprising programmer in trunk.
*/
if (!norecurse && (tmp = strrchr(device, '-'))) {
*tmp = '\0';
__ast_devstate_changed_literal(state, device, 1);
}
return 1;
}
int ast_devstate_changed_literal(enum ast_device_state state, const char *dev)
{
char *buf;
buf = ast_strdupa(dev);
return __ast_devstate_changed_literal(state, buf, 0);
}
int ast_device_state_changed_literal(const char *dev)
{
char *buf;
buf = ast_strdupa(dev);
return __ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, buf, 0);
return ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, dev);
}
int ast_devstate_changed(enum ast_device_state state, const char *fmt, ...)
@ -499,7 +470,7 @@ int ast_devstate_changed(enum ast_device_state state, const char *fmt, ...)
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
return __ast_devstate_changed_literal(state, buf, 0);
return ast_devstate_changed_literal(state, buf);
}
/*! \brief Accept change notification, add it to change queue */
@ -512,7 +483,7 @@ int ast_device_state_changed(const char *fmt, ...)
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
return __ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, buf, 0);
return ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, buf);
}
/*! \brief Go through the dev state change queue and update changes in the dev state thread */

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