[svn-commits] mmichelson: branch group/CCSS r217444 - in /team/group/CCSS: include/asterisk...

[SVN commits to the Digium repositories]

Author: mmichelson
Date: Wed Sep  9 13:37:32 2009
New Revision: 217444

URL: http://svn.asterisk.org/svn-view/asterisk?view=rev&rev=217444
Log:
Get agent backend work committed. Now to handle
that XXX comment.


Modified:
    team/group/CCSS/include/asterisk/ccss.h
    team/group/CCSS/main/ccss.c

Modified: team/group/CCSS/include/asterisk/ccss.h
URL: http://svn.asterisk.org/svn-view/asterisk/team/group/CCSS/include/asterisk/ccss.h?view=diff&rev=217444&r1=217443&r2=217444
==============================================================================
--- team/group/CCSS/include/asterisk/ccss.h (original)
+++ team/group/CCSS/include/asterisk/ccss.h Wed Sep  9 13:37:32 2009
@@ -736,6 +736,20 @@
 
 /*!
  * \since 1.6.4
+ * \brief Register a set of agent callbacks with the core
+ *
+ * This is made so that at agent creation time, the proper callbacks
+ * may be installed and the proper .init callback may be called for the
+ * monitor to establish private data.
+ *
+ * \param callbacks The callbacks used by the agent implementation
+ * \retval 0 Successfully registered
+ * \retval -1 Failure to register
+ */
+int ast_cc_agent_register(const struct ast_cc_agent_callbacks *callbacks);
+
+/*!
+ * \since 1.6.4
  * \brief Initialize CCSS
  *
  * XXX This needs to be updated as more functionality is added.

Modified: team/group/CCSS/main/ccss.c
URL: http://svn.asterisk.org/svn-view/asterisk/team/group/CCSS/main/ccss.c?view=diff&rev=217444&r1=217443&r2=217444
==============================================================================
--- team/group/CCSS/main/ccss.c (original)
+++ team/group/CCSS/main/ccss.c Wed Sep  9 13:37:32 2009
@@ -70,10 +70,16 @@
 };
 
 AST_RWLIST_HEAD_STATIC(cc_monitor_backends, cc_monitor_backend);
+AST_RWLIST_HEAD_STATIC(cc_agent_backends, cc_agent_backend);
 
 struct cc_monitor_backend {
 	AST_LIST_ENTRY(cc_monitor_backend) next;
 	const struct ast_cc_monitor_callbacks *callbacks;
+};
+
+struct cc_agent_backend {
+	AST_LIST_ENTRY(cc_agent_backend) next;
+	const struct ast_cc_agent_callbacks *callbacks;
 };
 
 /* XXX I'm making these defaults up right now with no real regard for
@@ -535,6 +541,23 @@
 	ast_assert(callbacks->destructor != NULL);
 }
 
+static const struct ast_cc_agent_callbacks *find_agent_callbacks(const char * const type)
+{
+	struct cc_agent_backend *backend;
+	const struct ast_cc_agent_callbacks *callbacks = NULL;
+
+	AST_RWLIST_RDLOCK(&cc_agent_backends);
+	AST_RWLIST_TRAVERSE(&cc_agent_backends, backend, next) {
+		if (!strcmp(backend->callbacks->type, type)) {
+			ast_log(LOG_NOTICE, "Returning backend %s\n", backend->callbacks->type);
+			callbacks = backend->callbacks;
+			break;
+		}
+	}
+	AST_RWLIST_UNLOCK(&cc_agent_backends);
+	return callbacks;
+}
+
 static struct ast_cc_agent *cc_agent_init(struct ast_channel *caller_chan, 
 		const char * const caller_name, const int core_id,
 		struct ast_cc_interface_tree *interface_tree) 
@@ -550,7 +573,10 @@
 	 * For now, I'm keeping it simple by using only generic
 	 * agents.
 	 */
-	agent->callbacks = &generic_agent_callbacks;
+	if (!(agent->callbacks = find_agent_callbacks("generic"))) {
+		ast_free(agent);
+		return NULL;
+	}
 	check_callback_sanity(agent->callbacks);
 	if (!(agent->cc_params = ast_cc_config_params_init())) {
 		ast_free(agent);
@@ -1516,6 +1542,21 @@
 	return 0;
 }
 
+int ast_cc_agent_register(const struct ast_cc_agent_callbacks *callbacks)
+{
+	struct cc_agent_backend *backend = ast_calloc(1, sizeof(*backend));
+
+	if (!backend) {
+		return -1;
+	}
+
+	backend->callbacks = callbacks;
+	AST_RWLIST_WRLOCK(&cc_agent_backends);
+	AST_RWLIST_INSERT_TAIL(&cc_agent_backends, backend, next);
+	AST_RWLIST_UNLOCK(&cc_agent_backends);
+	return 0;
+}
+
 int ast_cc_monitor_announce_availability(struct ast_cc_monitor *monitor) {
 	return ast_taskprocessor_push(cc_core_taskprocessor, cc_devstate_change, monitor);
 }
@@ -1547,6 +1588,7 @@
 	res |= ast_register_application2(cccancel_app, cccancel_exec, NULL, NULL, NULL);
 	res |= ast_cc_monitor_register(&extension_monitor_cbs);
 	res |= ast_cc_monitor_register(&generic_monitor_cbs);
+	res |= ast_cc_agent_register(&generic_agent_callbacks);
 	/* Root monitor doesn't care about the core id. The root monitor uses
 	 * extension monitor callbacks since the gist of those will be to traverse
 	 * their child links and call each of their children's callbacks