Add a unique id to the datastore allocated in app_chanspy since

it is possible that multiple spies may be listening to the same
channel.

(closes issue #12376)
Reported by: DougUDI
Patches:
      12376_chanspy_uid.diff uploaded by putnopvut (license 60)
Tested by: destiny6628

(closes issue #12243)
Reported by: atis



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@118365 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_chanspy.c

@@ -415,11 +415,13 @@ static struct chanspy_ds *chanspy_ds_free(struct chanspy_ds *chanspy_ds)
 	if (chanspy_ds->chan) {
 		struct ast_datastore *datastore;
 		struct ast_channel *chan;
+		char uid[20];
 
 		chan = chanspy_ds->chan;
 
 		ast_channel_lock(chan);
-		if ((datastore = ast_channel_datastore_find(chan, &chanspy_ds_info, NULL))) {
+		snprintf(uid, sizeof(uid), "%p", chanspy_ds);
+		if ((datastore = ast_channel_datastore_find(chan, &chanspy_ds_info, uid))) {
 			ast_channel_datastore_remove(chan, datastore);
 			/* chanspy_ds->chan is NULL after this call */
 			chanspy_ds_destroy(datastore->data);
@@ -437,10 +439,13 @@ static struct chanspy_ds *chanspy_ds_free(struct chanspy_ds *chanspy_ds)
 static struct chanspy_ds *setup_chanspy_ds(struct ast_channel *chan, struct chanspy_ds *chanspy_ds)
 {
 	struct ast_datastore *datastore = NULL;
+	char uid[20];
 
 	ast_mutex_lock(&chanspy_ds->lock);
 
-	if (!(datastore = ast_channel_datastore_alloc(&chanspy_ds_info, NULL))) {
+	snprintf(uid, sizeof(uid), "%p", chanspy_ds);
+
+	if (!(datastore = ast_channel_datastore_alloc(&chanspy_ds_info, uid))) {
 		ast_mutex_unlock(&chanspy_ds->lock);
 		chanspy_ds = chanspy_ds_free(chanspy_ds);
 		ast_channel_unlock(chan);