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authorLennart Poettering <lennart@poettering.net>2012-08-08 18:44:15 +0200
committerLennart Poettering <lennart@poettering.net>2012-08-08 18:44:15 +0200
commit9ed63f16131637fc0e76bd40b5452cfc45bccfc7 (patch)
treec60b6216b04de3bf0e88b996180e4a8220853603 /src/shared/dbus-common.c
parentfd4d89b2c0b31da01d134301e30916931ae3c7d9 (diff)
parentb9c26b413497a0014ac2058a0ec04849a83df1ea (diff)
Merge remote-tracking branch 'simonpe/cleanup'
Diffstat (limited to 'src/shared/dbus-common.c')
-rw-r--r--src/shared/dbus-common.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/shared/dbus-common.c b/src/shared/dbus-common.c
index 5d64568c34..7f0dce5ad3 100644
--- a/src/shared/dbus-common.c
+++ b/src/shared/dbus-common.c
@@ -1237,3 +1237,76 @@ finish:
return (pid_t) pid;
}
+
+bool bus_error_is_no_service(const DBusError *error) {
+ assert(error);
+
+ if (!dbus_error_is_set(error))
+ return false;
+
+ if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
+ return true;
+
+ if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
+ return true;
+
+ return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
+}
+
+int bus_method_call_with_reply(DBusConnection *bus,
+ const char *destination,
+ const char *path,
+ const char *interface,
+ const char *method,
+ DBusMessage **return_reply,
+ DBusError *return_error,
+ int first_arg_type, ...) {
+ DBusError error;
+ DBusMessage *m, *reply;
+ va_list ap;
+ int r = 0;
+
+ dbus_error_init(&error);
+ assert(bus);
+
+ m = dbus_message_new_method_call(destination, path, interface, method);
+ if (!m) {
+ r = log_oom();
+ goto finish;
+ }
+
+ va_start(ap, first_arg_type);
+ if (!dbus_message_append_args_valist(m, first_arg_type, ap)) {
+ va_end(ap);
+ dbus_message_unref(m);
+ r = log_oom();
+ goto finish;
+ }
+ va_end(ap);
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ dbus_message_unref(m);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ if (bus_error_is_no_service(&error))
+ r = -ENOENT;
+ else if (dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED))
+ r = -EACCES;
+ else if (dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY))
+ r = -ETIMEDOUT;
+ else
+ r = -EIO;
+ goto finish;
+ }
+ if (return_reply)
+ *return_reply = reply;
+ else
+ dbus_message_unref(reply);
+finish:
+ if(return_error)
+ *return_error=error;
+ else
+ dbus_error_free(&error);
+
+ return r;
+}