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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __DIAG_THREAD_H__
#define __DIAG_THREAD_H__
#include <utils/List.h>
#include <utils/threads.h>
namespace android {
class CommonClock;
class LocalClock;
class DiagThread : public Thread {
public:
DiagThread(CommonClock* common_clock, LocalClock* local_clock);
~DiagThread();
status_t startWorkThread();
void stopWorkThread();
virtual bool threadLoop();
void pushDisciplineEvent(int64_t observed_local_time,
int64_t observed_common_time,
int64_t nominal_common_time,
int32_t total_correction,
int32_t rtt);
private:
typedef struct {
int64_t event_id;
int64_t action_local_time;
int64_t action_common_time;
int64_t observed_local_time;
int64_t observed_common_time;
int64_t nominal_common_time;
int32_t total_correction;
int32_t rtt;
} DisciplineEventRecord;
bool openListenSocket();
void cleanupListenSocket();
void cleanupDataSocket();
void resetLogIDs();
CommonClock* common_clock_;
LocalClock* local_clock_;
int listen_fd_;
int data_fd_;
int64_t kernel_logID_basis_;
bool kernel_logID_basis_known_;
static const size_t kMaxDisciplineLogSize = 16;
Mutex discipline_log_lock_;
List<DisciplineEventRecord> discipline_log_;
int64_t discipline_log_ID_;
};
} // namespace android
#endif //__ DIAG_THREAD_H__
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