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 IPC { 33 34class MessageSender { 35public: 36 virtual ~MessageSender(); 37 38 template<typename U> bool send(const U& message) 39 { 40 return send(message, messageSenderDestinationID(), 0); 41 } 42 43 template<typename U> bool send(const U& message, uint64_t destinationID, unsigned messageSendFlags = 0) 44 { 45 static_assert(!U::isSync, "Message is sync!"); 46 47 auto encoder = std::make_unique<MessageEncoder>(U::receiverName(), U::name(), destinationID); 48 encoder->encode(message.arguments()); 49 50 return sendMessage(WTF::move(encoder), messageSendFlags); 51 } 52 53 template<typename T> 54 bool sendSync(T&& message, typename T::Reply&& reply, std::chrono::milliseconds timeout = std::chrono::milliseconds::max(), unsigned syncSendFlags = 0) 55 { 56 static_assert(T::isSync, "Message is not sync!"); 57 58 return sendSync(std::forward<T>(message), WTF::move(reply), messageSenderDestinationID(), timeout, syncSendFlags); 59 } 60 61 template<typename T> 62 bool sendSync(T&& message, typename T::Reply&& reply, uint64_t destinationID, std::chrono::milliseconds timeout = std::chrono::milliseconds::max(), unsigned syncSendFlags = 0) 63 { 64 ASSERT(messageSenderConnection()); 65 66 return messageSenderConnection()->sendSync(WTF::move(message), WTF::move(reply), destinationID, timeout, syncSendFlags); 67 } 68 69 virtual bool sendMessage(std::unique_ptr<MessageEncoder>, unsigned messageSendFlags); 70 71private: 72 virtual Connection* messageSenderConnection() = 0; 73 virtual uint64_t messageSenderDestinationID() = 0; 74}; 75 76} // namespace IPC 77 78#endif // MessageSender_h 79