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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/proxy/proxy_channel.h"
#include "base/logging.h"
#include "ipc/ipc_platform_file.h"
#include "ipc/ipc_test_sink.h"
#if defined(OS_NACL)
#include <unistd.h>
#endif
namespace ppapi {
namespace proxy {
ProxyChannel::ProxyChannel()
: delegate_(NULL),
peer_pid_(base::kNullProcessId),
test_sink_(NULL) {
}
ProxyChannel::~ProxyChannel() {
DVLOG(1) << "ProxyChannel::~ProxyChannel()";
}
bool ProxyChannel::InitWithChannel(Delegate* delegate,
base::ProcessId peer_pid,
const IPC::ChannelHandle& channel_handle,
bool is_client) {
delegate_ = delegate;
peer_pid_ = peer_pid;
IPC::Channel::Mode mode = is_client ? IPC::Channel::MODE_CLIENT
: IPC::Channel::MODE_SERVER;
channel_.reset(new IPC::SyncChannel(channel_handle, mode, this,
delegate->GetIPCMessageLoop(), true,
delegate->GetShutdownEvent()));
return true;
}
void ProxyChannel::InitWithTestSink(IPC::TestSink* test_sink) {
DCHECK(!test_sink_);
test_sink_ = test_sink;
#if !defined(OS_NACL)
peer_pid_ = base::GetCurrentProcId();
#endif
}
void ProxyChannel::OnChannelError() {
channel_.reset();
}
#if defined(OS_POSIX) && !defined(OS_NACL)
int ProxyChannel::TakeRendererFD() {
DCHECK(channel());
return channel()->TakeClientFileDescriptor();
}
#endif
IPC::PlatformFileForTransit ProxyChannel::ShareHandleWithRemote(
base::PlatformFile handle,
bool should_close_source) {
// Channel could be closed if the plugin crashes.
if (!channel_.get()) {
if (should_close_source) {
#if !defined(OS_NACL)
base::ClosePlatformFile(handle);
#else
close(handle);
#endif
}
return IPC::InvalidPlatformFileForTransit();
}
DCHECK(peer_pid_ != base::kNullProcessId);
return delegate_->ShareHandleWithRemote(handle, peer_pid_,
should_close_source);
}
bool ProxyChannel::Send(IPC::Message* msg) {
if (test_sink_)
return test_sink_->Send(msg);
if (channel_.get())
return channel_->Send(msg);
// Remote side crashed, drop this message.
delete msg;
return false;
}
} // namespace proxy
} // namespace ppapi
|
