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// Copyright 2013 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 "mojo/system/proxy_message_pipe_endpoint.h"
#include <string.h>
#include "base/logging.h"
#include "mojo/system/channel_endpoint.h"
#include "mojo/system/local_message_pipe_endpoint.h"
#include "mojo/system/message_pipe_dispatcher.h"
namespace mojo {
namespace system {
ProxyMessagePipeEndpoint::ProxyMessagePipeEndpoint(
ChannelEndpoint* channel_endpoint)
: channel_endpoint_(channel_endpoint) {
}
ProxyMessagePipeEndpoint::~ProxyMessagePipeEndpoint() {
DCHECK(!is_attached());
}
MessagePipeEndpoint::Type ProxyMessagePipeEndpoint::GetType() const {
return kTypeProxy;
}
bool ProxyMessagePipeEndpoint::OnPeerClose() {
if (is_attached())
Detach();
return false;
}
// Note: We may have to enqueue messages even when our (local) peer isn't open
// -- it may have been written to and closed immediately, before we were ready.
// This case is handled in |Run()| (which will call us).
void ProxyMessagePipeEndpoint::EnqueueMessage(
scoped_ptr<MessageInTransit> message) {
DCHECK(channel_endpoint_.get());
LOG_IF(WARNING, !channel_endpoint_->EnqueueMessage(message.Pass()))
<< "Failed to write enqueue message to channel";
}
void ProxyMessagePipeEndpoint::OnRemove() {
Detach();
}
void ProxyMessagePipeEndpoint::Detach() {
DCHECK(is_attached());
channel_endpoint_->DetachFromMessagePipe();
channel_endpoint_ = nullptr;
}
} // namespace system
} // namespace mojo
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