session: Add session policy autoconnect support

By default allow all autoconnects if no session policy module exists
or no autoconnect policy function is supplied.

include/service.h

@@ -87,6 +87,13 @@ enum connman_service_proxy_method {
 	CONNMAN_SERVICE_PROXY_METHOD_AUTO        = 3,
 };
 
+enum connman_service_connect_reason {
+	CONNMAN_SERVICE_CONNECT_REASON_NONE	= 0,
+	CONNMAN_SERVICE_CONNECT_REASON_AUTO	= 1,
+	CONNMAN_SERVICE_CONNECT_REASON_USER	= 2,
+	CONNMAN_SERVICE_CONNECT_REASON_SESSION	= 3,
+};
+
 struct connman_service;
 struct connman_network;
 

include/session.h

@@ -74,10 +74,12 @@ typedef int (* connman_session_config_func_t) (struct connman_session *session,
 struct connman_session_policy {
 	const char *name;
 	int priority;
+	bool (*autoconnect)(enum connman_service_connect_reason reason);
 	int (*create)(struct connman_session *session,
 			connman_session_config_func_t cb,
 			void *user_data);
 	void (*destroy)(struct connman_session *session);
+
 };
 
 int connman_session_policy_register(struct connman_session_policy *config);

src/connman.h

@@ -693,13 +693,6 @@ int __connman_service_indicate_error(struct connman_service *service,
 int __connman_service_clear_error(struct connman_service *service);
 int __connman_service_indicate_default(struct connman_service *service);
 
-enum connman_service_connect_reason {
-	CONNMAN_SERVICE_CONNECT_REASON_NONE	= 0,
-	CONNMAN_SERVICE_CONNECT_REASON_AUTO	= 1,
-	CONNMAN_SERVICE_CONNECT_REASON_USER	= 2,
-	CONNMAN_SERVICE_CONNECT_REASON_SESSION	= 3,
-};
-
 int __connman_service_connect(struct connman_service *service,
 			enum connman_service_connect_reason reason);
 int __connman_service_disconnect(struct connman_service *service);
@@ -824,8 +817,7 @@ unsigned int __connman_rtnl_update_interval_remove(unsigned int interval);
 int __connman_rtnl_request_update(void);
 int __connman_rtnl_send(const void *buf, size_t len);
 
-bool __connman_session_mode();
-void __connman_session_set_mode(bool enable);
+bool __connman_session_policy_autoconnect(enum connman_service_connect_reason reason);
 
 int __connman_session_create(DBusMessage *msg);
 int __connman_session_destroy(DBusMessage *msg);

src/session.c

@@ -1501,6 +1501,14 @@ int __connman_session_create(DBusMessage *msg)
 	return err;
 }
 
+bool __connman_session_policy_autoconnect(enum connman_service_connect_reason reason)
+{
+	if (!policy || !policy->autoconnect)
+		return true;
+
+	return policy->autoconnect(reason);
+}
+
 void connman_session_destroy(struct connman_session *session)
 {
 	DBG("session %p", session);