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