session: Callback hook for policy plugin to return service of session

Returns the allowed service for a session based on a provided list of
available services.

2 files changed, 36 insertions, 0 deletions

diff --git a/include/session.h b/include/session.h
index 25a5e58d..0d66f489 100644
--- a/include/session.h
+++ b/include/session.h
@@ -93,6 +93,8 @@ struct connman_session_policy {
 			struct connman_service *service);
 	void (*update_session_state)(struct connman_session* session,
 				     enum connman_session_state state);
+	struct connman_service* (*get_service_for_session)(struct connman_session* session,
+							   GSList* services);
 };
 
 int connman_session_policy_register(struct connman_session_policy *config);
diff --git a/src/session.c b/src/session.c
index 570b6a69..92781dfc 100644
--- a/src/session.c
+++ b/src/session.c
@@ -1751,6 +1751,40 @@ static void session_activate(struct connman_session *session)
 	if (!service_hash)
 		return;
 
+	if (policy && policy->get_service_for_session) {
+		struct connman_service *service;
+		struct connman_service_info *info;
+		GSList *service_list = NULL;
+		enum connman_service_state state = CONNMAN_SESSION_STATE_DISCONNECTED;
+
+		g_hash_table_iter_init(&iter, service_hash);
+
+		while (g_hash_table_iter_next(&iter, &key, &value)) {
+			struct connman_service_info *info = value;
+			state = __connman_service_get_state(info->service);
+
+			if (is_session_connected(session, state))
+				service_list = g_slist_prepend(service_list,
+							       info->service);
+		}
+
+		service_list = g_slist_reverse(service_list);
+		service = policy->get_service_for_session(session, service_list);
+
+		if (service) {
+			info = g_hash_table_lookup(service_hash, service);
+			DBG("session %p add service %p", session, info->service);
+
+			info->sessions = g_slist_prepend(info->sessions,
+							session);
+			session->service = info->service;
+			update_session_state(session);
+		}
+
+		g_slist_free(service_list);
+		return;
+	}
+
 	g_hash_table_iter_init(&iter, service_hash);
 	while (g_hash_table_iter_next(&iter, &key, &value)) {
 		struct connman_service_info *info = value;