1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef MessageSender_h 27#define MessageSender_h 28 29#include <wtf/Assertions.h> 30#include "Connection.h" 31 32namespace CoreIPC { 33 34class MessageSender { 35public: 36 virtual ~MessageSender(); 37 38 template<typename U> bool send(const U& message) 39 { 40 return send(message, messageSenderDestinationID()); 41 } 42 43 template<typename U> bool send(const U& message, uint64_t destinationID) 44 { 45 COMPILE_ASSERT(!U::isSync, AsyncMessageExpected); 46 OwnPtr<MessageEncoder> encoder = MessageEncoder::create(U::receiverName(), U::name(), destinationID); 47 encoder->encode(message); 48 49 return sendMessage(encoder.release()); 50 } 51 52 template<typename U> bool sendSync(const U& message, const typename U::Reply& reply, double timeout = Connection::NoTimeout, unsigned syncSendFlags = 0) 53 { 54 COMPILE_ASSERT(U::isSync, SyncMessageExpected); 55 return sendSync(message, reply, messageSenderDestinationID(), timeout, syncSendFlags); 56 } 57 58 template<typename U> bool sendSync(const U& message, const typename U::Reply& reply, uint64_t destinationID, double timeout = Connection::NoTimeout, unsigned syncSendFlags = 0) 59 { 60 ASSERT(messageSenderConnection()); 61 62 return messageSenderConnection()->sendSync(message, reply, destinationID, timeout, syncSendFlags); 63 } 64 65 bool sendMessage(PassOwnPtr<MessageEncoder>); 66 67private: 68 virtual Connection* messageSenderConnection() = 0; 69 virtual uint64_t messageSenderDestinationID() = 0; 70}; 71 72} // namespace CoreIPC 73 74#endif // MessageSender_h 75