[asterisk-commits] mnicholson: trunk r280308 - in /trunk: ./ channels/chan_local.c main/channel.c

[SVN commits to the Asterisk project]

Author: mnicholson
Date: Thu Jul 29 09:03:59 2010
New Revision: 280308

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=280308
Log:
Merged revisions 280307 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.8

................
  r280307 | mnicholson | 2010-07-29 08:56:35 -0500 (Thu, 29 Jul 2010) | 11 lines
  
  Merged revisions 280306 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
  ........
    r280306 | mnicholson | 2010-07-29 08:45:11 -0500 (Thu, 29 Jul 2010) | 2 lines
    
    Implement support for ast_channel_queryoption on local channels.  Currently only AST_OPTION_T38_STATE is supported.
  ........
  
  Additionally, pass AST_CONTROL_T38_PARAMETERS control frames through generic bridges.  This change appears to have been unintentionally left out of rev 203699.
................

Modified:
    trunk/   (props changed)
    trunk/channels/chan_local.c
    trunk/main/channel.c

Propchange: trunk/
------------------------------------------------------------------------------
Binary property 'branch-1.8-merged' - no diff available.

Modified: trunk/channels/chan_local.c
URL: http://svnview.digium.com/svn/asterisk/trunk/channels/chan_local.c?view=diff&rev=280308&r1=280307&r2=280308
==============================================================================
--- trunk/channels/chan_local.c (original)
+++ trunk/channels/chan_local.c Thu Jul 29 09:03:59 2010
@@ -94,6 +94,7 @@
 static int local_sendtext(struct ast_channel *ast, const char *text);
 static int local_devicestate(void *data);
 static struct ast_channel *local_bridgedchannel(struct ast_channel *chan, struct ast_channel *bridge);
+static int local_queryoption(struct ast_channel *ast, int option, void *data, int *datalen);
 
 /* PBX interface structure for channel registration */
 static const struct ast_channel_tech local_tech = {
@@ -116,6 +117,7 @@
 	.send_text = local_sendtext,
 	.devicestate = local_devicestate,
 	.bridged_channel = local_bridgedchannel,
+	.queryoption = local_queryoption,
 };
 
 /*! \brief the local pvt structure for all channels
@@ -226,6 +228,58 @@
 	ast_mutex_unlock(&p->lock);
 
 	return bridged;
+}
+
+static int local_queryoption(struct ast_channel *ast, int option, void *data, int *datalen)
+{
+	struct local_pvt *p = ast->tech_pvt;
+	struct ast_channel *chan, *bridged;
+	int res;
+
+	if (!p) {
+		return -1;
+	}
+
+	if (option != AST_OPTION_T38_STATE) {
+		/* AST_OPTION_T38_STATE is the only supported option at this time */
+		return -1;
+	}
+
+	ast_mutex_lock(&p->lock);
+	chan = IS_OUTBOUND(ast, p) ? p->owner : p->chan;
+
+try_again:
+	if (!chan) {
+		ast_mutex_unlock(&p->lock);
+		return -1;
+	}
+
+	if (ast_channel_trylock(chan)) {
+		DEADLOCK_AVOIDANCE(&p->lock);
+		chan = IS_OUTBOUND(ast, p) ? p->owner : p->chan;
+		goto try_again;
+	}
+
+	bridged = ast_bridged_channel(chan);
+	if (!bridged) {
+		/* can't query channel unless we are bridged */
+		ast_mutex_unlock(&p->lock);
+		ast_channel_unlock(chan);
+		return -1;
+	}
+
+	if (ast_channel_trylock(bridged)) {
+		ast_channel_unlock(chan);
+		DEADLOCK_AVOIDANCE(&p->lock);
+		chan = IS_OUTBOUND(ast, p) ? p->owner : p->chan;
+		goto try_again;
+	}
+
+	res = ast_channel_queryoption(bridged, option, data, datalen, 0);
+	ast_mutex_unlock(&p->lock);
+	ast_channel_unlock(chan);
+	ast_channel_unlock(bridged);
+	return res;
 }
 
 static int local_queue_frame(struct local_pvt *p, int isoutbound, struct ast_frame *f, 

Modified: trunk/main/channel.c
URL: http://svnview.digium.com/svn/asterisk/trunk/main/channel.c?view=diff&rev=280308&r1=280307&r2=280308
==============================================================================
--- trunk/main/channel.c (original)
+++ trunk/main/channel.c Thu Jul 29 09:03:59 2010
@@ -6470,6 +6470,7 @@
 			case AST_CONTROL_VIDUPDATE:
 			case AST_CONTROL_SRCUPDATE:
 			case AST_CONTROL_SRCCHANGE:
+			case AST_CONTROL_T38_PARAMETERS:
 				ast_indicate_data(other, f->subclass.integer, f->data.ptr, f->datalen);
 				if (jb_in_use) {
 					ast_jb_empty_and_reset(c0, c1);