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 32 namespace CoreIPC { 33 34 template<typename T> class MessageSender { 35 public: 36 template<typename U> bool send(const U& message) 37 { 38 return send(message, static_cast<T*>(this)->destinationID()); 39 } 40 41 template<typename U> bool send(const U& message, uint64_t destinationID) 42 { 43 OwnPtr<ArgumentEncoder> argumentEncoder = ArgumentEncoder::create(destinationID); 44 argumentEncoder->encode(message); 45 46 return static_cast<T*>(this)->sendMessage(MessageID(U::messageID), argumentEncoder.release()); 47 } 48 49 bool sendMessage(MessageID messageID, PassOwnPtr<ArgumentEncoder> argumentEncoder) 50 { 51 Connection* connection = static_cast<T*>(this)->connection(); 52 ASSERT(connection); 53 54 return connection->sendMessage(messageID, argumentEncoder); 55 } 56 57 template<typename U> bool sendSync(const U& message, const typename U::Reply& reply, double timeout = Connection::NoTimeout) 58 { 59 return sendSync(message, reply, static_cast<T*>(this)->destinationID(), timeout); 60 } 61 62 template<typename U> bool sendSync(const U& message, const typename U::Reply& reply, uint64_t destinationID, double timeout = Connection::NoTimeout) 63 { 64 Connection* connection = static_cast<T*>(this)->connection(); 65 ASSERT(connection); 66 67 return connection->sendSync(message, reply, destinationID, timeout); 68 } 69 }; 70 71 } // namespace CoreIPC 72 73 #endif // MessageSender_h 74