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// Copyright (c) 2011 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 "ipc/ipc_test_sink.h"
namespace pp {
namespace proxy {
ProxyChannel::ProxyChannel(base::ProcessHandle remote_process_handle)
: delegate_(NULL),
remote_process_handle_(remote_process_handle),
test_sink_(NULL) {
}
ProxyChannel::~ProxyChannel() {
}
bool ProxyChannel::InitWithChannel(Delegate* delegate,
const IPC::ChannelHandle& channel_handle,
bool is_client) {
delegate_ = delegate;
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(), false,
delegate->GetShutdownEvent()));
return true;
}
void ProxyChannel::InitWithTestSink(IPC::TestSink* test_sink) {
DCHECK(!test_sink_);
test_sink_ = test_sink;
}
void ProxyChannel::OnChannelError() {
channel_.reset();
}
#if defined(OS_POSIX)
int ProxyChannel::GetRendererFD() {
DCHECK(channel());
return channel()->GetClientFileDescriptor();
}
#endif
IPC::PlatformFileForTransit ProxyChannel::ShareHandleWithRemote(
base::PlatformFile handle,
bool should_close_source) {
IPC::PlatformFileForTransit out_handle;
#if defined(OS_WIN)
DWORD options = DUPLICATE_SAME_ACCESS;
if (should_close_source)
options |= DUPLICATE_CLOSE_SOURCE;
if (!::DuplicateHandle(::GetCurrentProcess(),
handle,
remote_process_handle_,
&out_handle,
0,
FALSE,
options))
out_handle = IPC::InvalidPlatformFileForTransit();
#elif defined(OS_POSIX)
// If asked to close the source, we can simply re-use the source fd instead of
// dup()ing and close()ing.
int fd = should_close_source ? handle : ::dup(handle);
out_handle = base::FileDescriptor(fd, true);
#else
#error Not implemented.
#endif
return out_handle;
}
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 pp
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