Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef __DIAG_THREAD_H__ |
| 18 | #define __DIAG_THREAD_H__ |
| 19 | |
| 20 | #include <utils/List.h> |
| 21 | #include <utils/threads.h> |
| 22 | |
| 23 | namespace android { |
| 24 | |
| 25 | class CommonClock; |
| 26 | class LocalClock; |
| 27 | |
| 28 | class DiagThread : public Thread { |
| 29 | public: |
| 30 | DiagThread(CommonClock* common_clock, LocalClock* local_clock); |
| 31 | ~DiagThread(); |
| 32 | |
| 33 | status_t startWorkThread(); |
| 34 | void stopWorkThread(); |
| 35 | virtual bool threadLoop(); |
| 36 | |
| 37 | void pushDisciplineEvent(int64_t observed_local_time, |
| 38 | int64_t observed_common_time, |
| 39 | int64_t nominal_common_time, |
| 40 | int32_t total_correction, |
Kent Ryhorchuk | 11bc45f | 2012-02-13 16:24:29 -0800 | [diff] [blame] | 41 | int32_t rtt); |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 42 | |
| 43 | private: |
| 44 | typedef struct { |
| 45 | int64_t event_id; |
| 46 | int64_t action_local_time; |
| 47 | int64_t action_common_time; |
| 48 | int64_t observed_local_time; |
| 49 | int64_t observed_common_time; |
| 50 | int64_t nominal_common_time; |
| 51 | int32_t total_correction; |
Kent Ryhorchuk | 11bc45f | 2012-02-13 16:24:29 -0800 | [diff] [blame] | 52 | int32_t rtt; |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 53 | } DisciplineEventRecord; |
| 54 | |
| 55 | bool openListenSocket(); |
| 56 | void cleanupListenSocket(); |
| 57 | void cleanupDataSocket(); |
| 58 | void resetLogIDs(); |
| 59 | |
| 60 | CommonClock* common_clock_; |
| 61 | LocalClock* local_clock_; |
| 62 | int listen_fd_; |
| 63 | int data_fd_; |
| 64 | |
| 65 | int64_t kernel_logID_basis_; |
| 66 | bool kernel_logID_basis_known_; |
| 67 | |
| 68 | static const size_t kMaxDisciplineLogSize = 16; |
| 69 | Mutex discipline_log_lock_; |
| 70 | List<DisciplineEventRecord> discipline_log_; |
| 71 | int64_t discipline_log_ID_; |
| 72 | }; |
| 73 | |
| 74 | } // namespace android |
| 75 | |
| 76 | #endif //__ DIAG_THREAD_H__ |