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// Copyright (c) 2006-2009 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.
#ifndef CHROME_BROWSER_SYNC_ENGINE_CLIENT_COMMAND_CHANNEL_H_
#define CHROME_BROWSER_SYNC_ENGINE_CLIENT_COMMAND_CHANNEL_H_
#include "chrome/browser/sync/protocol/sync.pb.h"
#include "chrome/browser/sync/util/event_sys.h"
namespace browser_sync {
// Commands for the client come back in sync responses, which is kind of
// inconvenient because some services (like the bandwidth throttler) want to
// know about them. So to avoid explicit dependencies on this protocol
// behavior, the syncer dumps all client commands onto a shared client command
// channel.
struct ClientCommandChannelTraits {
typedef const sync_pb::ClientCommand* EventType;
static inline bool IsChannelShutdownEvent(const EventType &event) {
return 0 == event;
}
};
typedef EventChannel<ClientCommandChannelTraits, Lock>
ClientCommandChannel;
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_ENGINE_CLIENT_COMMAND_CHANNEL_H_
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