1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MessageSender_h
#define MessageSender_h
#include <wtf/Assertions.h>
#include "Connection.h"
namespace IPC {
class MessageSender {
public:
virtual ~MessageSender();
template<typename U> bool send(const U& message)
{
return send(message, messageSenderDestinationID(), 0);
}
template<typename U> bool send(const U& message, uint64_t destinationID, unsigned messageSendFlags = 0)
{
static_assert(!U::isSync, "Message is sync!");
auto encoder = std::make_unique<MessageEncoder>(U::receiverName(), U::name(), destinationID);
encoder->encode(message.arguments());
return sendMessage(WTFMove(encoder), messageSendFlags);
}
template<typename T>
bool sendSync(T&& message, typename T::Reply&& reply, std::chrono::milliseconds timeout = std::chrono::milliseconds::max(), unsigned syncSendFlags = 0)
{
static_assert(T::isSync, "Message is not sync!");
return sendSync(std::forward<T>(message), WTFMove(reply), messageSenderDestinationID(), timeout, syncSendFlags);
}
template<typename T>
bool sendSync(T&& message, typename T::Reply&& reply, uint64_t destinationID, std::chrono::milliseconds timeout = std::chrono::milliseconds::max(), unsigned syncSendFlags = 0)
{
ASSERT(messageSenderConnection());
return messageSenderConnection()->sendSync(WTFMove(message), WTFMove(reply), destinationID, timeout, syncSendFlags);
}
virtual bool sendMessage(std::unique_ptr<MessageEncoder>, unsigned messageSendFlags);
private:
virtual Connection* messageSenderConnection() = 0;
virtual uint64_t messageSenderDestinationID() = 0;
};
} // namespace IPC
#endif // MessageSender_h
|
