[asterisk-commits] kmoore: branch kmoore/channel_event_refactor r391450 - /team/kmoore/channel_e...

[SVN commits to the Asterisk project]

Author: kmoore
Date: Tue Jun 11 15:34:36 2013
New Revision: 391450

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=391450
Log:
Refactor GTalk ChannelUpdate event

Modified:
    team/kmoore/channel_event_refactor/channels/chan_gtalk.c

Modified: team/kmoore/channel_event_refactor/channels/chan_gtalk.c
URL: http://svnview.digium.com/svn/asterisk/team/kmoore/channel_event_refactor/channels/chan_gtalk.c?view=diff&rev=391450&r1=391449&r2=391450
==============================================================================
--- team/kmoore/channel_event_refactor/channels/chan_gtalk.c (original)
+++ team/kmoore/channel_event_refactor/channels/chan_gtalk.c Tue Jun 11 15:34:36 2013
@@ -46,6 +46,23 @@
 	<use type="external">openssl</use>
 	<support_level>deprecated</support_level>
 	<replacement>chan_motif</replacement>
+ ***/
+
+/*** DOCUMENTATION
+	<managerEvent language="en_US" name="ChannelUpdate">
+		<managerEventInstance class="EVENT_FLAG_SYSTEM">
+			<synopsis>Raised when a GTalk SID is established for a call.</synopsis>
+			<syntax>
+				<xi:include xpointer="xpointer(/docs/managerEvent[@name='Newchannel']/managerEventInstance/syntax/parameter)" />
+				<parameter name="Gtalk-SID">
+					<para>The source of the session timeout.</para>
+				</parameter>
+				<parameter name="Channeltype">
+					<para>The type of the channel (always <literal>Gtalk</literal>).</para>
+				</parameter>
+			</syntax>
+		</managerEventInstance>
+	</managerEvent>
  ***/
 
 #include "asterisk.h"
@@ -86,6 +103,7 @@
 #include "asterisk/jabber.h"
 #include "asterisk/jingle.h"
 #include "asterisk/features.h"
+#include "asterisk/stasis_channels.h"
 
 #define GOOGLE_CONFIG		"gtalk.conf"
 
@@ -255,6 +273,11 @@
 
 static struct gtalk_container gtalk_list;
 
+static struct ast_manager_event_blob *channel_update_to_ami(struct stasis_message *msg);
+STASIS_MESSAGE_TYPE_DEFN_LOCAL(channel_update_type,
+	.to_ami = channel_update_to_ami,
+	);
+
 static void gtalk_member_destroy(struct gtalk *obj)
 {
 	obj->cap = ast_format_cap_destroy(obj->cap);
@@ -538,6 +561,41 @@
 	return IKS_FILTER_EAT;
 }
 
+static struct ast_manager_event_blob *channel_update_to_ami(struct stasis_message *msg)
+{
+	RAII_VAR(struct ast_str *, channel_string, NULL, ast_free);
+	struct ast_channel_blob *obj = stasis_message_data(msg);
+	const char *sid = ast_json_string_get(ast_json_object_get(obj->blob, "gtalk_sid"));
+
+	if (obj->snapshot) {
+		channel_string = ast_manager_build_channel_state_string(obj->snapshot);
+		if (!channel_string) {
+			return NULL;
+		}
+	}
+
+	return ast_manager_event_blob_create(EVENT_FLAG_SYSTEM, "ChannelUpdate",
+		"%s"
+		"Channeltype: Gtalk\r\n"
+		"Gtalk-SID: %s\r\n",
+		S_COR(obj->snapshot, ast_str_buffer(channel_string), ""), sid);
+}
+
+/*! \brief Sends a session timeout channel blob used to produce SessionTimeout AMI messages */
+static void send_channel_update(struct ast_channel *chan, const char *sid)
+{
+	RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
+
+	ast_assert(sid != NULL);
+
+	blob = ast_json_pack("{s: s}", "gtalk_sid", sid);
+	if (!blob) {
+		return;
+	}
+
+	ast_channel_publish_blob(chan, channel_update_type(), blob);
+}
+
 static int gtalk_answer(struct ast_channel *ast)
 {
 	struct gtalk_pvt *p = ast_channel_tech_pvt(ast);
@@ -546,8 +604,7 @@
 	ast_debug(1, "Answer!\n");
 	ast_mutex_lock(&p->lock);
 	gtalk_invite(p, p->them, p->us,p->sid, 0);
-	manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", "Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n",
-		ast_channel_name(ast), "GTALK", p->sid);
+	send_channel_update(ast, p->sid);
 	ast_mutex_unlock(&p->lock);
 	return res;
 }
@@ -1216,9 +1273,7 @@
 		ast_hangup(tmp);
 		tmp = NULL;
 	} else {
-		manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate",
-			"Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n",
-			i->owner ? ast_channel_name(i->owner) : "", "Gtalk", i->sid);
+		send_channel_update(i->owner, i->sid);
 	}
 	return tmp;
 }
@@ -2322,6 +2377,10 @@
 	char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0);
 	struct ast_format tmpfmt;
 
+	if (STASIS_MESSAGE_TYPE_INIT(channel_update_type)) {
+		return AST_MODULE_LOAD_FAILURE;
+	}
+
 	if (!(gtalk_tech.capabilities = ast_format_cap_alloc())) {
 		return AST_MODULE_LOAD_DECLINE;
 	}
@@ -2419,6 +2478,7 @@
 	ASTOBJ_CONTAINER_DESTROY(&gtalk_list);
 	global_capability = ast_format_cap_destroy(global_capability);
 	gtalk_tech.capabilities = ast_format_cap_destroy(gtalk_tech.capabilities);
+	STASIS_MESSAGE_TYPE_CLEANUP(channel_update_type);
 	return 0;
 }