summaryrefslogtreecommitdiffstats
path: root/libs/common_time/common_clock_service.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libs/common_time/common_clock_service.cpp')
-rw-r--r--libs/common_time/common_clock_service.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/libs/common_time/common_clock_service.cpp b/libs/common_time/common_clock_service.cpp
new file mode 100644
index 0000000..9ca6f35
--- /dev/null
+++ b/libs/common_time/common_clock_service.cpp
@@ -0,0 +1,157 @@
+/*
+ * 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.
+ */
+
+#include <common_time/local_clock.h>
+#include <utils/String8.h>
+
+#include "common_clock_service.h"
+#include "common_clock.h"
+#include "common_time_server.h"
+
+namespace android {
+
+sp<CommonClockService> CommonClockService::instantiate(
+ CommonTimeServer& timeServer) {
+ sp<CommonClockService> tcc = new CommonClockService(timeServer);
+ if (tcc == NULL)
+ return NULL;
+
+ defaultServiceManager()->addService(ICommonClock::kServiceName, tcc);
+ return tcc;
+}
+
+status_t CommonClockService::dump(int fd, const Vector<String16>& args) {
+ Mutex::Autolock lock(mRegistrationLock);
+ return mTimeServer.dumpClockInterface(fd, args, mListeners.size());
+}
+
+status_t CommonClockService::isCommonTimeValid(bool* valid,
+ uint32_t* timelineID) {
+ return mTimeServer.isCommonTimeValid(valid, timelineID);
+}
+
+status_t CommonClockService::commonTimeToLocalTime(int64_t commonTime,
+ int64_t* localTime) {
+ return mTimeServer.getCommonClock().commonToLocal(commonTime, localTime);
+}
+
+status_t CommonClockService::localTimeToCommonTime(int64_t localTime,
+ int64_t* commonTime) {
+ return mTimeServer.getCommonClock().localToCommon(localTime, commonTime);
+}
+
+status_t CommonClockService::getCommonTime(int64_t* commonTime) {
+ return localTimeToCommonTime(mTimeServer.getLocalClock().getLocalTime(), commonTime);
+}
+
+status_t CommonClockService::getCommonFreq(uint64_t* freq) {
+ *freq = mTimeServer.getCommonClock().getCommonFreq();
+ return OK;
+}
+
+status_t CommonClockService::getLocalTime(int64_t* localTime) {
+ *localTime = mTimeServer.getLocalClock().getLocalTime();
+ return OK;
+}
+
+status_t CommonClockService::getLocalFreq(uint64_t* freq) {
+ *freq = mTimeServer.getLocalClock().getLocalFreq();
+ return OK;
+}
+
+status_t CommonClockService::getEstimatedError(int32_t* estimate) {
+ *estimate = mTimeServer.getEstimatedError();
+ return OK;
+}
+
+status_t CommonClockService::getTimelineID(uint64_t* id) {
+ *id = mTimeServer.getTimelineID();
+ return OK;
+}
+
+status_t CommonClockService::getState(State* state) {
+ *state = mTimeServer.getState();
+ return OK;
+}
+
+status_t CommonClockService::getMasterAddr(struct sockaddr_storage* addr) {
+ return mTimeServer.getMasterAddr(addr);
+}
+
+status_t CommonClockService::registerListener(
+ const sp<ICommonClockListener>& listener) {
+ Mutex::Autolock lock(mRegistrationLock);
+
+ { // scoping for autolock pattern
+ Mutex::Autolock lock(mCallbackLock);
+ // check whether this is a duplicate
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (mListeners[i]->asBinder() == listener->asBinder())
+ return ALREADY_EXISTS;
+ }
+ }
+
+ mListeners.add(listener);
+ mTimeServer.reevaluateAutoDisableState(0 != mListeners.size());
+ return listener->asBinder()->linkToDeath(this);
+}
+
+status_t CommonClockService::unregisterListener(
+ const sp<ICommonClockListener>& listener) {
+ Mutex::Autolock lock(mRegistrationLock);
+ status_t ret_val = NAME_NOT_FOUND;
+
+ { // scoping for autolock pattern
+ Mutex::Autolock lock(mCallbackLock);
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (mListeners[i]->asBinder() == listener->asBinder()) {
+ mListeners[i]->asBinder()->unlinkToDeath(this);
+ mListeners.removeAt(i);
+ ret_val = OK;
+ break;
+ }
+ }
+ }
+
+ mTimeServer.reevaluateAutoDisableState(0 != mListeners.size());
+ return ret_val;
+}
+
+void CommonClockService::binderDied(const wp<IBinder>& who) {
+ Mutex::Autolock lock(mRegistrationLock);
+
+ { // scoping for autolock pattern
+ Mutex::Autolock lock(mCallbackLock);
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (mListeners[i]->asBinder() == who) {
+ mListeners.removeAt(i);
+ break;
+ }
+ }
+ }
+
+ mTimeServer.reevaluateAutoDisableState(0 != mListeners.size());
+}
+
+void CommonClockService::notifyOnTimelineChanged(uint64_t timelineID) {
+ Mutex::Autolock lock(mCallbackLock);
+
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ mListeners[i]->onTimelineChanged(timelineID);
+ }
+}
+
+}; // namespace android