From: Adrian Szyndela <adrian.s@samsung.com>
Date: Wed, 5 May 2021 12:40:41 +0000 (+0200)
Subject: bus: add ConnectionOverflow signal API
X-Git-Tag: accepted/tizen/unified/20210531.130419~1
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fupstream%2Fdbus.git;a=commitdiff_plain;h=3f4d8751bd55394a10425866a69199295ddd6d07

bus: add ConnectionOverflow signal API

Change-Id: Iea17de732637ea990944cb63d1ef7a1a4bc4b1b8
---

diff --git a/bus/driver.c b/bus/driver.c
index ba227a4..1d05eab 100644
--- a/bus/driver.c
+++ b/bus/driver.c
@@ -210,6 +210,67 @@ static dbus_bool_t bus_driver_send_welcome_message (DBusConnection *connection,
                                                     DBusError      *error);
 
 dbus_bool_t
+bus_driver_send_connection_overflow (DBusConnection *connection,
+                                     BusTransaction *transaction,
+                                     DBusError      *error)
+{
+  DBusMessage *message;
+  dbus_bool_t retval;
+  const char *name;
+
+  _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+  message = dbus_message_new_signal (DBUS_PATH_DBUS,
+                                     DBUS_INTERFACE_TIZEN,
+                                     DBUS_TIZEN_CONNECTION_OVERFLOW_SIGNAL);
+
+  if (message == NULL)
+    {
+      BUS_SET_OOM (error);
+      return FALSE;
+    }
+
+  if (!dbus_message_set_sender (message, DBUS_SERVICE_DBUS))
+    goto oom;
+
+  name = bus_connection_get_name (connection);
+
+  if (!dbus_message_append_args (message,
+                                 DBUS_TYPE_STRING, &name,
+                                 DBUS_TYPE_INVALID))
+    goto oom;
+
+  _dbus_assert (dbus_message_has_signature (message, "s"));
+
+  if (!bus_transaction_capture (transaction, NULL, NULL, message))
+    goto oom;
+
+  switch (bus_dispatch_matches (transaction, NULL, NULL, message, NULL, error))
+    {
+    case BUS_RESULT_TRUE:
+      retval = TRUE;
+      break;
+    case BUS_RESULT_FALSE:
+      retval = FALSE;
+      break;
+    case BUS_RESULT_LATER:
+    default:
+      /* should never happen */
+      _dbus_assert_not_reached ("bus_dispatch_matches returned BUS_RESULT_LATER unexpectedly");
+      retval = FALSE;
+      break;
+    }
+  dbus_message_unref (message);
+
+  return retval;
+
+ oom:
+  dbus_message_unref (message);
+  BUS_SET_OOM (error);
+  return FALSE;
+}
+
+dbus_bool_t
 bus_driver_send_service_owner_changed (const char     *service_name,
 				       const char     *old_owner,
 				       const char     *new_owner,
diff --git a/bus/driver.h b/bus/driver.h
index 183c28b..aa27ea9 100644
--- a/bus/driver.h
+++ b/bus/driver.h
@@ -67,4 +67,8 @@ dbus_bool_t bus_driver_send_ack_reply     (DBusConnection  *connection,
                                            DBusMessage     *message,
                                            DBusError       *error);
 
+dbus_bool_t bus_driver_send_connection_overflow (DBusConnection *connection,
+                                                 BusTransaction *transaction,
+                                                 DBusError      *error);
+
 #endif /* BUS_DRIVER_H */
diff --git a/dbus/dbus-shared.h b/dbus/dbus-shared.h
index 1ef1e57..5d0efb0 100644
--- a/dbus/dbus-shared.h
+++ b/dbus/dbus-shared.h
@@ -99,6 +99,10 @@ typedef enum
 /** The interface supported by most dbus peers */
 #define DBUS_INTERFACE_PEER           "org.freedesktop.DBus.Peer"
 
+/** The interface for Tizen extensions */
+#define DBUS_INTERFACE_TIZEN          "org.tizen.DBus"
+#define DBUS_TIZEN_CONNECTION_OVERFLOW_SIGNAL "ConnectionOverflow"
+
 /** This is a special interface whose methods can only be invoked
  * by the local implementation (messages from remote apps aren't
  * allowed to specify this interface).