1/*
2 * Copyright (C) 2010-2018 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#pragma once
27
28#include <wtf/Assertions.h>
29#include "Connection.h"
30
31namespace IPC {
32
33class MessageSender {
34public:
35 virtual ~MessageSender();
36
37 template<typename U> bool send(const U& message)
38 {
39 return send(message, messageSenderDestinationID(), { });
40 }
41
42 template<typename U> bool send(const U& message, uint64_t destinationID, OptionSet<SendOption> sendOptions = { })
43 {
44 static_assert(!U::isSync, "Message is sync!");
45
46 auto encoder = std::make_unique<Encoder>(U::receiverName(), U::name(), destinationID);
47 encoder->encode(message.arguments());
48
49 return sendMessage(WTFMove(encoder), sendOptions);
50 }
51
52 template<typename T>
53 bool sendSync(T&& message, typename T::Reply&& reply, Seconds timeout = Seconds::infinity(), OptionSet<SendSyncOption> sendSyncOptions = { })
54 {
55 static_assert(T::isSync, "Message is not sync!");
56
57 return sendSync(std::forward<T>(message), WTFMove(reply), messageSenderDestinationID(), timeout, sendSyncOptions);
58 }
59
60 template<typename T>
61 bool sendSync(T&& message, typename T::Reply&& reply, uint64_t destinationID, Seconds timeout = Seconds::infinity(), OptionSet<SendSyncOption> sendSyncOptions = { })
62 {
63 ASSERT(messageSenderConnection());
64
65 return messageSenderConnection()->sendSync(WTFMove(message), WTFMove(reply), destinationID, timeout, sendSyncOptions);
66 }
67
68 template<typename T, typename... Args>
69 void sendWithAsyncReply(T&& message, CompletionHandler<void(Args...)>&& completionHandler)
70 {
71 messageSenderConnection()->sendWithAsyncReply(WTFMove(message), WTFMove(completionHandler), messageSenderDestinationID());
72 }
73
74 virtual bool sendMessage(std::unique_ptr<Encoder>, OptionSet<SendOption>);
75
76private:
77 virtual Connection* messageSenderConnection() const = 0;
78 virtual uint64_t messageSenderDestinationID() const = 0;
79};
80
81} // namespace IPC
82