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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "mojo/edk/system/proxy_message_pipe_endpoint.h" | |
6 | |
7 #include <string.h> | |
8 | |
9 #include "base/logging.h" | |
10 #include "mojo/edk/system/channel_endpoint.h" | |
11 #include "mojo/edk/system/local_message_pipe_endpoint.h" | |
12 #include "mojo/edk/system/message_pipe_dispatcher.h" | |
13 | |
14 namespace mojo { | |
15 namespace system { | |
16 | |
17 ProxyMessagePipeEndpoint::ProxyMessagePipeEndpoint( | |
18 ChannelEndpoint* channel_endpoint) | |
19 : channel_endpoint_(channel_endpoint) { | |
20 } | |
21 | |
22 ProxyMessagePipeEndpoint::~ProxyMessagePipeEndpoint() { | |
23 DCHECK(!channel_endpoint_); | |
24 } | |
25 | |
26 scoped_refptr<ChannelEndpoint> | |
27 ProxyMessagePipeEndpoint::ReleaseChannelEndpoint() { | |
28 DCHECK(channel_endpoint_); | |
29 scoped_refptr<ChannelEndpoint> rv; | |
30 rv.swap(channel_endpoint_); | |
31 return rv; | |
32 } | |
33 | |
34 MessagePipeEndpoint::Type ProxyMessagePipeEndpoint::GetType() const { | |
35 return kTypeProxy; | |
36 } | |
37 | |
38 bool ProxyMessagePipeEndpoint::OnPeerClose() { | |
39 DetachIfNecessary(); | |
40 return false; | |
41 } | |
42 | |
43 // Note: We may have to enqueue messages even when our (local) peer isn't open | |
44 // -- it may have been written to and closed immediately, before we were ready. | |
45 // This case is handled in |Run()| (which will call us). | |
46 void ProxyMessagePipeEndpoint::EnqueueMessage( | |
47 scoped_ptr<MessageInTransit> message) { | |
48 DCHECK(channel_endpoint_); | |
49 LOG_IF(WARNING, !channel_endpoint_->EnqueueMessage(message.Pass())) | |
50 << "Failed to write enqueue message to channel"; | |
51 } | |
52 | |
53 void ProxyMessagePipeEndpoint::Close() { | |
54 DetachIfNecessary(); | |
55 } | |
56 | |
57 void ProxyMessagePipeEndpoint::DetachIfNecessary() { | |
58 if (channel_endpoint_) { | |
59 channel_endpoint_->DetachFromClient(); | |
60 channel_endpoint_ = nullptr; | |
61 } | |
62 } | |
63 | |
64 } // namespace system | |
65 } // namespace mojo | |
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