ipc/dbus/DBusUtils.h
author Gregory Szorc <gps@mozilla.com>
Wed, 28 Jan 2015 13:37:00 -0800
branchGECKO160_2012100209_RELBRANCH
changeset 110531 af6a180eb4bad8d0ac7398b574734969629a304f
parent 99702 5f9bf688b9ac88ec8ff5fbcee441e323070575ae
child 105088 b1bab07e4390fa5ab6e2a4163b3cf081ebdd9f08
permissions -rw-r--r--
Close old release branch GECKO160_2012100209_RELBRANCH

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=40: */
/*
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/

#ifndef mozilla_ipc_dbus_dbusutils_h__
#define mozilla_ipc_dbus_dbusutils_h__

#include <dbus/dbus.h>
#include "mozilla/Scoped.h"

// LOGE and free a D-Bus error
// Using #define so that __FUNCTION__ resolves usefully
#define LOG_AND_FREE_DBUS_ERROR_WITH_MSG(err, msg) log_and_free_dbus_error(err, __FUNCTION__, msg);
#define LOG_AND_FREE_DBUS_ERROR(err) log_and_free_dbus_error(err, __FUNCTION__);

struct DBusMessage;
struct DBusError;

namespace mozilla {
namespace ipc {

class DBusMessageRefPtr
{
public:
  DBusMessageRefPtr(DBusMessage* aMsg) : mMsg(aMsg)
  {
    if (mMsg) dbus_message_ref(mMsg);
  }
  ~DBusMessageRefPtr()
  {
    if (mMsg) dbus_message_unref(mMsg);
  }
  operator DBusMessage*() { return mMsg; }
  DBusMessage* get() { return mMsg; }
private:
  DBusMessage* mMsg;
};

void log_and_free_dbus_error(DBusError* err,
                             const char* function,
                             DBusMessage* msg = NULL);
dbus_bool_t dbus_func_args_async(DBusConnection *conn,
                                 int timeout_ms,
                                 void (*reply)(DBusMessage *, void *, void *),
                                 void *user,
                                 void *nat,
                                 const char *path,
                                 const char *ifc,
                                 const char *func,
                                 int first_arg_type,
                                 ...);

DBusMessage * dbus_func_args(DBusConnection *conn,
                             const char *path,
                             const char *ifc,
                             const char *func,
                             int first_arg_type,
                             ...);

DBusMessage * dbus_func_args_error(DBusConnection *conn,
                                   DBusError *err,
                                   const char *path,
                                   const char *ifc,
                                   const char *func,
                                   int first_arg_type,
                                   ...);

DBusMessage * dbus_func_args_timeout(DBusConnection *conn,
                                     int timeout_ms,
                                     const char *path,
                                     const char *ifc,
                                     const char *func,
                                     int first_arg_type,
                                     ...);

DBusMessage * dbus_func_args_timeout_valist(DBusConnection *conn,
                                            int timeout_ms,
                                            DBusError *err,
                                            const char *path,
                                            const char *ifc,
                                            const char *func,
                                            int first_arg_type,
                                            va_list args);


}
}

#endif