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// Copyright 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.
#ifndef CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
#define CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
#include <deque>
#include <string>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/time.h"
#include "base/values.h"
#include "sync/base/sync_export.h"
#include "sync/protocol/sync.pb.h"
namespace sync_pb {
class ClientToServerResponse;
class ClientToServerMessage;
}
namespace syncer {
class SYNC_EXPORT_PRIVATE TrafficRecorder {
public:
enum TrafficMessageType {
CLIENT_TO_SERVER_MESSAGE,
CLIENT_TO_SERVER_RESPONSE,
UNKNOWN_MESSAGE_TYPE
};
struct SYNC_EXPORT_PRIVATE TrafficRecord {
// The serialized message.
std::string message;
TrafficMessageType message_type;
// If the message is too big to be kept in memory then it should be
// truncated. For now the entire message is omitted if it is too big.
// TODO(lipalani): Truncate the specifics to fit within size.
bool truncated;
TrafficRecord(const std::string& message,
TrafficMessageType message_type,
bool truncated,
base::Time time);
TrafficRecord();
~TrafficRecord();
DictionaryValue* ToValue() const;
// Time of record creation.
base::Time timestamp;
};
TrafficRecorder(unsigned int max_messages, unsigned int max_message_size);
virtual ~TrafficRecorder();
void RecordClientToServerMessage(const sync_pb::ClientToServerMessage& msg);
void RecordClientToServerResponse(
const sync_pb::ClientToServerResponse& response);
ListValue* ToValue() const;
const std::deque<TrafficRecord>& records() {
return records_;
}
private:
void AddTrafficToQueue(TrafficRecord* record);
void StoreProtoInQueue(const ::google::protobuf::MessageLite& msg,
TrafficMessageType type);
// Method to get record creation time.
virtual base::Time GetTime();
// Maximum number of messages stored in the queue.
unsigned int max_messages_;
// Maximum size of each message.
unsigned int max_message_size_;
std::deque<TrafficRecord> records_;
DISALLOW_COPY_AND_ASSIGN(TrafficRecorder);
};
} // namespace syncer
#endif // CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
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