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 | #include <common_time/local_clock.h> |
| 18 | #include <utils/String8.h> |
| 19 | |
| 20 | #include "common_clock_service.h" |
| 21 | #include "common_clock.h" |
| 22 | #include "common_time_server.h" |
| 23 | |
| 24 | namespace android { |
| 25 | |
| 26 | sp<CommonClockService> CommonClockService::instantiate( |
| 27 | CommonTimeServer& timeServer) { |
| 28 | sp<CommonClockService> tcc = new CommonClockService(timeServer); |
| 29 | if (tcc == NULL) |
| 30 | return NULL; |
| 31 | |
| 32 | defaultServiceManager()->addService(ICommonClock::kServiceName, tcc); |
| 33 | return tcc; |
| 34 | } |
| 35 | |
| 36 | status_t CommonClockService::dump(int fd, const Vector<String16>& args) { |
| 37 | Mutex::Autolock lock(mRegistrationLock); |
| 38 | return mTimeServer.dumpClockInterface(fd, args, mListeners.size()); |
| 39 | } |
| 40 | |
| 41 | status_t CommonClockService::isCommonTimeValid(bool* valid, |
| 42 | uint32_t* timelineID) { |
| 43 | return mTimeServer.isCommonTimeValid(valid, timelineID); |
| 44 | } |
| 45 | |
| 46 | status_t CommonClockService::commonTimeToLocalTime(int64_t commonTime, |
| 47 | int64_t* localTime) { |
| 48 | return mTimeServer.getCommonClock().commonToLocal(commonTime, localTime); |
| 49 | } |
| 50 | |
| 51 | status_t CommonClockService::localTimeToCommonTime(int64_t localTime, |
| 52 | int64_t* commonTime) { |
| 53 | return mTimeServer.getCommonClock().localToCommon(localTime, commonTime); |
| 54 | } |
| 55 | |
| 56 | status_t CommonClockService::getCommonTime(int64_t* commonTime) { |
| 57 | return localTimeToCommonTime(mTimeServer.getLocalClock().getLocalTime(), commonTime); |
| 58 | } |
| 59 | |
| 60 | status_t CommonClockService::getCommonFreq(uint64_t* freq) { |
| 61 | *freq = mTimeServer.getCommonClock().getCommonFreq(); |
| 62 | return OK; |
| 63 | } |
| 64 | |
| 65 | status_t CommonClockService::getLocalTime(int64_t* localTime) { |
| 66 | *localTime = mTimeServer.getLocalClock().getLocalTime(); |
| 67 | return OK; |
| 68 | } |
| 69 | |
| 70 | status_t CommonClockService::getLocalFreq(uint64_t* freq) { |
| 71 | *freq = mTimeServer.getLocalClock().getLocalFreq(); |
| 72 | return OK; |
| 73 | } |
| 74 | |
| 75 | status_t CommonClockService::getEstimatedError(int32_t* estimate) { |
| 76 | *estimate = mTimeServer.getEstimatedError(); |
| 77 | return OK; |
| 78 | } |
| 79 | |
| 80 | status_t CommonClockService::getTimelineID(uint64_t* id) { |
| 81 | *id = mTimeServer.getTimelineID(); |
| 82 | return OK; |
| 83 | } |
| 84 | |
| 85 | status_t CommonClockService::getState(State* state) { |
| 86 | *state = mTimeServer.getState(); |
| 87 | return OK; |
| 88 | } |
| 89 | |
| 90 | status_t CommonClockService::getMasterAddr(struct sockaddr_storage* addr) { |
| 91 | return mTimeServer.getMasterAddr(addr); |
| 92 | } |
| 93 | |
| 94 | status_t CommonClockService::registerListener( |
| 95 | const sp<ICommonClockListener>& listener) { |
| 96 | Mutex::Autolock lock(mRegistrationLock); |
| 97 | |
| 98 | { // scoping for autolock pattern |
| 99 | Mutex::Autolock lock(mCallbackLock); |
| 100 | // check whether this is a duplicate |
| 101 | for (size_t i = 0; i < mListeners.size(); i++) { |
Marco Nelissen | dce9740 | 2014-11-14 08:00:42 -0800 | [diff] [blame] | 102 | if (IInterface::asBinder(mListeners[i]) == IInterface::asBinder(listener)) |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 103 | return ALREADY_EXISTS; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | mListeners.add(listener); |
| 108 | mTimeServer.reevaluateAutoDisableState(0 != mListeners.size()); |
Marco Nelissen | dce9740 | 2014-11-14 08:00:42 -0800 | [diff] [blame] | 109 | return IInterface::asBinder(listener)->linkToDeath(this); |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | status_t CommonClockService::unregisterListener( |
| 113 | const sp<ICommonClockListener>& listener) { |
| 114 | Mutex::Autolock lock(mRegistrationLock); |
| 115 | status_t ret_val = NAME_NOT_FOUND; |
| 116 | |
| 117 | { // scoping for autolock pattern |
| 118 | Mutex::Autolock lock(mCallbackLock); |
| 119 | for (size_t i = 0; i < mListeners.size(); i++) { |
Marco Nelissen | dce9740 | 2014-11-14 08:00:42 -0800 | [diff] [blame] | 120 | if (IInterface::asBinder(mListeners[i]) == IInterface::asBinder(listener)) { |
| 121 | IInterface::asBinder(mListeners[i])->unlinkToDeath(this); |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 122 | mListeners.removeAt(i); |
| 123 | ret_val = OK; |
| 124 | break; |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | mTimeServer.reevaluateAutoDisableState(0 != mListeners.size()); |
| 130 | return ret_val; |
| 131 | } |
| 132 | |
| 133 | void CommonClockService::binderDied(const wp<IBinder>& who) { |
| 134 | Mutex::Autolock lock(mRegistrationLock); |
| 135 | |
| 136 | { // scoping for autolock pattern |
| 137 | Mutex::Autolock lock(mCallbackLock); |
| 138 | for (size_t i = 0; i < mListeners.size(); i++) { |
Marco Nelissen | dce9740 | 2014-11-14 08:00:42 -0800 | [diff] [blame] | 139 | if (IInterface::asBinder(mListeners[i]) == who) { |
Mike J. Chen | 6c92951 | 2011-08-15 11:59:47 -0700 | [diff] [blame] | 140 | mListeners.removeAt(i); |
| 141 | break; |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | mTimeServer.reevaluateAutoDisableState(0 != mListeners.size()); |
| 147 | } |
| 148 | |
| 149 | void CommonClockService::notifyOnTimelineChanged(uint64_t timelineID) { |
| 150 | Mutex::Autolock lock(mCallbackLock); |
| 151 | |
| 152 | for (size_t i = 0; i < mListeners.size(); i++) { |
| 153 | mListeners[i]->onTimelineChanged(timelineID); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | }; // namespace android |