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-rw-r--r--include/common_time/ICommonClock.h108
-rw-r--r--include/common_time/ICommonTimeConfig.h73
-rw-r--r--include/common_time/cc_helper.h72
-rw-r--r--include/common_time/local_clock.h47
-rw-r--r--media/common_time/Android.mk21
-rw-r--r--media/common_time/ICommonClock.cpp432
-rw-r--r--media/common_time/ICommonTimeConfig.cpp508
-rw-r--r--media/common_time/cc_helper.cpp129
-rw-r--r--media/common_time/local_clock.cpp92
-rw-r--r--media/common_time/utils.cpp89
-rw-r--r--media/common_time/utils.h34
11 files changed, 1605 insertions, 0 deletions
diff --git a/include/common_time/ICommonClock.h b/include/common_time/ICommonClock.h
new file mode 100644
index 0000000..d7073f1
--- /dev/null
+++ b/include/common_time/ICommonClock.h
@@ -0,0 +1,108 @@
+/*
+ * 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 ANDROID_ICOMMONCLOCK_H
+#define ANDROID_ICOMMONCLOCK_H
+
+#include <stdint.h>
+#include <linux/socket.h>
+
+#include <binder/IInterface.h>
+#include <binder/IServiceManager.h>
+
+namespace android {
+
+class ICommonClockListener : public IInterface {
+ public:
+ DECLARE_META_INTERFACE(CommonClockListener);
+
+ virtual void onTimelineChanged(uint64_t timelineID) = 0;
+};
+
+class BnCommonClockListener : public BnInterface<ICommonClockListener> {
+ public:
+ virtual status_t onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags = 0);
+};
+
+class ICommonClock : public IInterface {
+ public:
+ DECLARE_META_INTERFACE(CommonClock);
+
+ // Name of the ICommonClock service registered with the service manager.
+ static const String16 kServiceName;
+
+ // a reserved invalid timeline ID
+ static const uint64_t kInvalidTimelineID;
+
+ // a reserved invalid error estimate
+ static const int32_t kErrorEstimateUnknown;
+
+ enum State {
+ // the device just came up and is trying to discover the master
+ STATE_INITIAL,
+
+ // the device is a client of a master
+ STATE_CLIENT,
+
+ // the device is acting as master
+ STATE_MASTER,
+
+ // the device has lost contact with its master and needs to participate
+ // in the election of a new master
+ STATE_RONIN,
+
+ // the device is waiting for announcement of the newly elected master
+ STATE_WAIT_FOR_ELECTION,
+ };
+
+ virtual status_t isCommonTimeValid(bool* valid, uint32_t* timelineID) = 0;
+ virtual status_t commonTimeToLocalTime(int64_t commonTime,
+ int64_t* localTime) = 0;
+ virtual status_t localTimeToCommonTime(int64_t localTime,
+ int64_t* commonTime) = 0;
+ virtual status_t getCommonTime(int64_t* commonTime) = 0;
+ virtual status_t getCommonFreq(uint64_t* freq) = 0;
+ virtual status_t getLocalTime(int64_t* localTime) = 0;
+ virtual status_t getLocalFreq(uint64_t* freq) = 0;
+ virtual status_t getEstimatedError(int32_t* estimate) = 0;
+ virtual status_t getTimelineID(uint64_t* id) = 0;
+ virtual status_t getState(State* state) = 0;
+ virtual status_t getMasterAddr(struct sockaddr_storage* addr) = 0;
+
+ virtual status_t registerListener(
+ const sp<ICommonClockListener>& listener) = 0;
+ virtual status_t unregisterListener(
+ const sp<ICommonClockListener>& listener) = 0;
+
+ // Simple helper to make it easier to connect to the CommonClock service.
+ static inline sp<ICommonClock> getInstance() {
+ sp<IBinder> binder = defaultServiceManager()->checkService(
+ ICommonClock::kServiceName);
+ sp<ICommonClock> clk = interface_cast<ICommonClock>(binder);
+ return clk;
+ }
+};
+
+class BnCommonClock : public BnInterface<ICommonClock> {
+ public:
+ virtual status_t onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_ICOMMONCLOCK_H
diff --git a/include/common_time/ICommonTimeConfig.h b/include/common_time/ICommonTimeConfig.h
new file mode 100644
index 0000000..497b666
--- /dev/null
+++ b/include/common_time/ICommonTimeConfig.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2012 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 ANDROID_ICOMMONTIMECONFIG_H
+#define ANDROID_ICOMMONTIMECONFIG_H
+
+#include <stdint.h>
+#include <linux/socket.h>
+
+#include <binder/IInterface.h>
+#include <binder/IServiceManager.h>
+
+namespace android {
+
+class String16;
+
+class ICommonTimeConfig : public IInterface {
+ public:
+ DECLARE_META_INTERFACE(CommonTimeConfig);
+
+ // Name of the ICommonTimeConfig service registered with the service
+ // manager.
+ static const String16 kServiceName;
+
+ virtual status_t getMasterElectionPriority(uint8_t *priority) = 0;
+ virtual status_t setMasterElectionPriority(uint8_t priority) = 0;
+ virtual status_t getMasterElectionEndpoint(struct sockaddr_storage *addr) = 0;
+ virtual status_t setMasterElectionEndpoint(const struct sockaddr_storage *addr) = 0;
+ virtual status_t getMasterElectionGroupId(uint64_t *id) = 0;
+ virtual status_t setMasterElectionGroupId(uint64_t id) = 0;
+ virtual status_t getInterfaceBinding(String16& ifaceName) = 0;
+ virtual status_t setInterfaceBinding(const String16& ifaceName) = 0;
+ virtual status_t getMasterAnnounceInterval(int *interval) = 0;
+ virtual status_t setMasterAnnounceInterval(int interval) = 0;
+ virtual status_t getClientSyncInterval(int *interval) = 0;
+ virtual status_t setClientSyncInterval(int interval) = 0;
+ virtual status_t getPanicThreshold(int *threshold) = 0;
+ virtual status_t setPanicThreshold(int threshold) = 0;
+ virtual status_t getAutoDisable(bool *autoDisable) = 0;
+ virtual status_t setAutoDisable(bool autoDisable) = 0;
+ virtual status_t forceNetworklessMasterMode() = 0;
+
+ // Simple helper to make it easier to connect to the CommonTimeConfig service.
+ static inline sp<ICommonTimeConfig> getInstance() {
+ sp<IBinder> binder = defaultServiceManager()->checkService(
+ ICommonTimeConfig::kServiceName);
+ sp<ICommonTimeConfig> clk = interface_cast<ICommonTimeConfig>(binder);
+ return clk;
+ }
+};
+
+class BnCommonTimeConfig : public BnInterface<ICommonTimeConfig> {
+ public:
+ virtual status_t onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_ICOMMONTIMECONFIG_H
diff --git a/include/common_time/cc_helper.h b/include/common_time/cc_helper.h
new file mode 100644
index 0000000..8c4d5c0
--- /dev/null
+++ b/include/common_time/cc_helper.h
@@ -0,0 +1,72 @@
+/*
+ * 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 __CC_HELPER_H__
+#define __CC_HELPER_H__
+
+#include <stdint.h>
+#include <common_time/ICommonClock.h>
+#include <utils/threads.h>
+
+namespace android {
+
+// CCHelper is a simple wrapper class to help with centralizing access to the
+// Common Clock service and implementing lifetime managment, as well as to
+// implement a simple policy of making a basic attempt to reconnect to the
+// common clock service when things go wrong.
+//
+// On platforms which run the native common_time service in auto-disable mode,
+// the service will go into networkless mode whenever it has no active clients.
+// It tracks active clients using registered CommonClockListeners (the callback
+// interface for onTimelineChanged) since this provides a convienent death
+// handler notification for when the service's clients die unexpectedly. This
+// means that users of the common time service should really always have a
+// CommonClockListener, unless they know that the time service is not running in
+// auto disabled mode, or that there is at least one other registered listener
+// active in the system. The CCHelper makes this a little easier by sharing a
+// ref counted ICommonClock interface across all clients and automatically
+// registering and unregistering a listener whenever there are CCHelper
+// instances active in the process.
+class CCHelper {
+ public:
+ CCHelper();
+ ~CCHelper();
+
+ status_t isCommonTimeValid(bool* valid, uint32_t* timelineID);
+ status_t commonTimeToLocalTime(int64_t commonTime, int64_t* localTime);
+ status_t localTimeToCommonTime(int64_t localTime, int64_t* commonTime);
+ status_t getCommonTime(int64_t* commonTime);
+ status_t getCommonFreq(uint64_t* freq);
+ status_t getLocalTime(int64_t* localTime);
+ status_t getLocalFreq(uint64_t* freq);
+
+ private:
+ class CommonClockListener : public BnCommonClockListener {
+ public:
+ void onTimelineChanged(uint64_t timelineID);
+ };
+
+ static bool verifyClock_l();
+
+ static Mutex lock_;
+ static sp<ICommonClock> common_clock_;
+ static sp<ICommonClockListener> common_clock_listener_;
+ static uint32_t ref_count_;
+};
+
+
+} // namespace android
+#endif // __CC_HELPER_H__
diff --git a/include/common_time/local_clock.h b/include/common_time/local_clock.h
new file mode 100644
index 0000000..845d1c2
--- /dev/null
+++ b/include/common_time/local_clock.h
@@ -0,0 +1,47 @@
+/*
+ * 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 __LOCAL_CLOCK_H__
+#define __LOCAL_CLOCK_H__
+
+#include <stdint.h>
+
+#include <hardware/local_time_hal.h>
+#include <utils/Errors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class LocalClock {
+ public:
+ LocalClock();
+
+ bool initCheck();
+
+ int64_t getLocalTime();
+ uint64_t getLocalFreq();
+ status_t setLocalSlew(int16_t rate);
+ int32_t getDebugLog(struct local_time_debug_event* records,
+ int max_records);
+
+ private:
+ static Mutex dev_lock_;
+ static local_time_hw_device_t* dev_;
+};
+
+} // namespace android
+#endif // __LOCAL_CLOCK_H__
diff --git a/media/common_time/Android.mk b/media/common_time/Android.mk
new file mode 100644
index 0000000..526f17b
--- /dev/null
+++ b/media/common_time/Android.mk
@@ -0,0 +1,21 @@
+LOCAL_PATH:= $(call my-dir)
+#
+# libcommon_time_client
+# (binder marshalers for ICommonClock as well as common clock and local clock
+# helper code)
+#
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libcommon_time_client
+LOCAL_MODULE_TAGS := optional
+LOCAL_SRC_FILES := cc_helper.cpp \
+ local_clock.cpp \
+ ICommonClock.cpp \
+ ICommonTimeConfig.cpp \
+ utils.cpp
+LOCAL_SHARED_LIBRARIES := libbinder \
+ libhardware \
+ libutils
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/media/common_time/ICommonClock.cpp b/media/common_time/ICommonClock.cpp
new file mode 100644
index 0000000..28b43ac
--- /dev/null
+++ b/media/common_time/ICommonClock.cpp
@@ -0,0 +1,432 @@
+/*
+ * Copyright (C) 2012 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 <linux/socket.h>
+
+#include <common_time/ICommonClock.h>
+#include <binder/Parcel.h>
+
+#include "utils.h"
+
+namespace android {
+
+/***** ICommonClock *****/
+
+enum {
+ IS_COMMON_TIME_VALID = IBinder::FIRST_CALL_TRANSACTION,
+ COMMON_TIME_TO_LOCAL_TIME,
+ LOCAL_TIME_TO_COMMON_TIME,
+ GET_COMMON_TIME,
+ GET_COMMON_FREQ,
+ GET_LOCAL_TIME,
+ GET_LOCAL_FREQ,
+ GET_ESTIMATED_ERROR,
+ GET_TIMELINE_ID,
+ GET_STATE,
+ GET_MASTER_ADDRESS,
+ REGISTER_LISTENER,
+ UNREGISTER_LISTENER,
+};
+
+const String16 ICommonClock::kServiceName("common_time.clock");
+const uint64_t ICommonClock::kInvalidTimelineID = 0;
+const int32_t ICommonClock::kErrorEstimateUnknown = 0x7FFFFFFF;
+
+class BpCommonClock : public BpInterface<ICommonClock>
+{
+ public:
+ BpCommonClock(const sp<IBinder>& impl)
+ : BpInterface<ICommonClock>(impl) {}
+
+ virtual status_t isCommonTimeValid(bool* valid, uint32_t* timelineID) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(IS_COMMON_TIME_VALID,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *valid = reply.readInt32();
+ *timelineID = reply.readInt32();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t commonTimeToLocalTime(int64_t commonTime,
+ int64_t* localTime) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ data.writeInt64(commonTime);
+ status_t status = remote()->transact(COMMON_TIME_TO_LOCAL_TIME,
+ data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *localTime = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t localTimeToCommonTime(int64_t localTime,
+ int64_t* commonTime) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ data.writeInt64(localTime);
+ status_t status = remote()->transact(LOCAL_TIME_TO_COMMON_TIME,
+ data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *commonTime = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getCommonTime(int64_t* commonTime) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_COMMON_TIME, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *commonTime = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getCommonFreq(uint64_t* freq) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_COMMON_FREQ, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *freq = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getLocalTime(int64_t* localTime) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_LOCAL_TIME, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *localTime = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getLocalFreq(uint64_t* freq) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_LOCAL_FREQ, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *freq = reply.readInt64();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getEstimatedError(int32_t* estimate) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_ESTIMATED_ERROR, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *estimate = reply.readInt32();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getTimelineID(uint64_t* id) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_TIMELINE_ID, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *id = static_cast<uint64_t>(reply.readInt64());
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getState(State* state) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_STATE, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *state = static_cast<State>(reply.readInt32());
+ }
+ }
+ return status;
+ }
+
+ virtual status_t getMasterAddr(struct sockaddr_storage* addr) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_MASTER_ADDRESS, data, &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK)
+ deserializeSockaddr(&reply, addr);
+ }
+ return status;
+ }
+
+ virtual status_t registerListener(
+ const sp<ICommonClockListener>& listener) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ data.writeStrongBinder(listener->asBinder());
+
+ status_t status = remote()->transact(REGISTER_LISTENER, data, &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t unregisterListener(
+ const sp<ICommonClockListener>& listener) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonClock::getInterfaceDescriptor());
+ data.writeStrongBinder(listener->asBinder());
+ status_t status = remote()->transact(UNREGISTER_LISTENER, data, &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+};
+
+IMPLEMENT_META_INTERFACE(CommonClock, "android.os.ICommonClock");
+
+status_t BnCommonClock::onTransact(uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags) {
+ switch(code) {
+ case IS_COMMON_TIME_VALID: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ bool valid;
+ uint32_t timelineID;
+ status_t status = isCommonTimeValid(&valid, &timelineID);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(valid);
+ reply->writeInt32(timelineID);
+ }
+ return OK;
+ } break;
+
+ case COMMON_TIME_TO_LOCAL_TIME: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ int64_t commonTime = data.readInt64();
+ int64_t localTime;
+ status_t status = commonTimeToLocalTime(commonTime, &localTime);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(localTime);
+ }
+ return OK;
+ } break;
+
+ case LOCAL_TIME_TO_COMMON_TIME: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ int64_t localTime = data.readInt64();
+ int64_t commonTime;
+ status_t status = localTimeToCommonTime(localTime, &commonTime);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(commonTime);
+ }
+ return OK;
+ } break;
+
+ case GET_COMMON_TIME: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ int64_t commonTime;
+ status_t status = getCommonTime(&commonTime);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(commonTime);
+ }
+ return OK;
+ } break;
+
+ case GET_COMMON_FREQ: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ uint64_t freq;
+ status_t status = getCommonFreq(&freq);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(freq);
+ }
+ return OK;
+ } break;
+
+ case GET_LOCAL_TIME: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ int64_t localTime;
+ status_t status = getLocalTime(&localTime);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(localTime);
+ }
+ return OK;
+ } break;
+
+ case GET_LOCAL_FREQ: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ uint64_t freq;
+ status_t status = getLocalFreq(&freq);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(freq);
+ }
+ return OK;
+ } break;
+
+ case GET_ESTIMATED_ERROR: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ int32_t error;
+ status_t status = getEstimatedError(&error);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(error);
+ }
+ return OK;
+ } break;
+
+ case GET_TIMELINE_ID: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ uint64_t id;
+ status_t status = getTimelineID(&id);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(static_cast<int64_t>(id));
+ }
+ return OK;
+ } break;
+
+ case GET_STATE: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ State state;
+ status_t status = getState(&state);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(static_cast<int32_t>(state));
+ }
+ return OK;
+ } break;
+
+ case GET_MASTER_ADDRESS: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ struct sockaddr_storage addr;
+ status_t status = getMasterAddr(&addr);
+
+ if ((status == OK) && !canSerializeSockaddr(&addr)) {
+ status = UNKNOWN_ERROR;
+ }
+
+ reply->writeInt32(status);
+
+ if (status == OK) {
+ serializeSockaddr(reply, &addr);
+ }
+
+ return OK;
+ } break;
+
+ case REGISTER_LISTENER: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ sp<ICommonClockListener> listener =
+ interface_cast<ICommonClockListener>(data.readStrongBinder());
+ status_t status = registerListener(listener);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case UNREGISTER_LISTENER: {
+ CHECK_INTERFACE(ICommonClock, data, reply);
+ sp<ICommonClockListener> listener =
+ interface_cast<ICommonClockListener>(data.readStrongBinder());
+ status_t status = unregisterListener(listener);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+ }
+ return BBinder::onTransact(code, data, reply, flags);
+}
+
+/***** ICommonClockListener *****/
+
+enum {
+ ON_TIMELINE_CHANGED = IBinder::FIRST_CALL_TRANSACTION,
+};
+
+class BpCommonClockListener : public BpInterface<ICommonClockListener>
+{
+ public:
+ BpCommonClockListener(const sp<IBinder>& impl)
+ : BpInterface<ICommonClockListener>(impl) {}
+
+ virtual void onTimelineChanged(uint64_t timelineID) {
+ Parcel data, reply;
+ data.writeInterfaceToken(
+ ICommonClockListener::getInterfaceDescriptor());
+ data.writeInt64(timelineID);
+ remote()->transact(ON_TIMELINE_CHANGED, data, &reply);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(CommonClockListener,
+ "android.os.ICommonClockListener");
+
+status_t BnCommonClockListener::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
+ switch(code) {
+ case ON_TIMELINE_CHANGED: {
+ CHECK_INTERFACE(ICommonClockListener, data, reply);
+ uint32_t timelineID = data.readInt64();
+ onTimelineChanged(timelineID);
+ return NO_ERROR;
+ } break;
+ }
+
+ return BBinder::onTransact(code, data, reply, flags);
+}
+
+}; // namespace android
diff --git a/media/common_time/ICommonTimeConfig.cpp b/media/common_time/ICommonTimeConfig.cpp
new file mode 100644
index 0000000..8eb37cb
--- /dev/null
+++ b/media/common_time/ICommonTimeConfig.cpp
@@ -0,0 +1,508 @@
+/*
+ * 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 <linux/socket.h>
+
+#include <common_time/ICommonTimeConfig.h>
+#include <binder/Parcel.h>
+
+#include "utils.h"
+
+namespace android {
+
+/***** ICommonTimeConfig *****/
+
+enum {
+ GET_MASTER_ELECTION_PRIORITY = IBinder::FIRST_CALL_TRANSACTION,
+ SET_MASTER_ELECTION_PRIORITY,
+ GET_MASTER_ELECTION_ENDPOINT,
+ SET_MASTER_ELECTION_ENDPOINT,
+ GET_MASTER_ELECTION_GROUP_ID,
+ SET_MASTER_ELECTION_GROUP_ID,
+ GET_INTERFACE_BINDING,
+ SET_INTERFACE_BINDING,
+ GET_MASTER_ANNOUNCE_INTERVAL,
+ SET_MASTER_ANNOUNCE_INTERVAL,
+ GET_CLIENT_SYNC_INTERVAL,
+ SET_CLIENT_SYNC_INTERVAL,
+ GET_PANIC_THRESHOLD,
+ SET_PANIC_THRESHOLD,
+ GET_AUTO_DISABLE,
+ SET_AUTO_DISABLE,
+ FORCE_NETWORKLESS_MASTER_MODE,
+};
+
+const String16 ICommonTimeConfig::kServiceName("common_time.config");
+
+class BpCommonTimeConfig : public BpInterface<ICommonTimeConfig>
+{
+ public:
+ BpCommonTimeConfig(const sp<IBinder>& impl)
+ : BpInterface<ICommonTimeConfig>(impl) {}
+
+ virtual status_t getMasterElectionPriority(uint8_t *priority) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_MASTER_ELECTION_PRIORITY,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *priority = static_cast<uint8_t>(reply.readInt32());
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setMasterElectionPriority(uint8_t priority) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt32(static_cast<int32_t>(priority));
+ status_t status = remote()->transact(SET_MASTER_ELECTION_PRIORITY,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getMasterElectionEndpoint(struct sockaddr_storage *addr) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_MASTER_ELECTION_ENDPOINT,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ deserializeSockaddr(&reply, addr);
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setMasterElectionEndpoint(
+ const struct sockaddr_storage *addr) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ if (!canSerializeSockaddr(addr))
+ return BAD_VALUE;
+ if (NULL == addr) {
+ data.writeInt32(0);
+ } else {
+ data.writeInt32(1);
+ serializeSockaddr(&data, addr);
+ }
+ status_t status = remote()->transact(SET_MASTER_ELECTION_ENDPOINT,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getMasterElectionGroupId(uint64_t *id) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_MASTER_ELECTION_GROUP_ID,
+ data,
+ &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *id = static_cast<uint64_t>(reply.readInt64());
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setMasterElectionGroupId(uint64_t id) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt64(id);
+ status_t status = remote()->transact(SET_MASTER_ELECTION_GROUP_ID,
+ data,
+ &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getInterfaceBinding(String16& ifaceName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_INTERFACE_BINDING,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ ifaceName = reply.readString16();
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setInterfaceBinding(const String16& ifaceName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeString16(ifaceName);
+ status_t status = remote()->transact(SET_INTERFACE_BINDING,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getMasterAnnounceInterval(int *interval) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_MASTER_ANNOUNCE_INTERVAL,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *interval = reply.readInt32();
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setMasterAnnounceInterval(int interval) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt32(interval);
+ status_t status = remote()->transact(SET_MASTER_ANNOUNCE_INTERVAL,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getClientSyncInterval(int *interval) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_CLIENT_SYNC_INTERVAL,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *interval = reply.readInt32();
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setClientSyncInterval(int interval) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt32(interval);
+ status_t status = remote()->transact(SET_CLIENT_SYNC_INTERVAL,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getPanicThreshold(int *threshold) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_PANIC_THRESHOLD,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *threshold = reply.readInt32();
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setPanicThreshold(int threshold) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt32(threshold);
+ status_t status = remote()->transact(SET_PANIC_THRESHOLD,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t getAutoDisable(bool *autoDisable) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(GET_AUTO_DISABLE,
+ data,
+ &reply);
+ if (status == OK) {
+ status = reply.readInt32();
+ if (status == OK) {
+ *autoDisable = (0 != reply.readInt32());
+ }
+ }
+
+ return status;
+ }
+
+ virtual status_t setAutoDisable(bool autoDisable) {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ data.writeInt32(autoDisable ? 1 : 0);
+ status_t status = remote()->transact(SET_AUTO_DISABLE,
+ data,
+ &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+
+ virtual status_t forceNetworklessMasterMode() {
+ Parcel data, reply;
+ data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+ status_t status = remote()->transact(FORCE_NETWORKLESS_MASTER_MODE,
+ data,
+ &reply);
+
+ if (status == OK) {
+ status = reply.readInt32();
+ }
+
+ return status;
+ }
+};
+
+IMPLEMENT_META_INTERFACE(CommonTimeConfig, "android.os.ICommonTimeConfig");
+
+status_t BnCommonTimeConfig::onTransact(uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags) {
+ switch(code) {
+ case GET_MASTER_ELECTION_PRIORITY: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ uint8_t priority;
+ status_t status = getMasterElectionPriority(&priority);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(static_cast<int32_t>(priority));
+ }
+ return OK;
+ } break;
+
+ case SET_MASTER_ELECTION_PRIORITY: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ uint8_t priority = static_cast<uint8_t>(data.readInt32());
+ status_t status = setMasterElectionPriority(priority);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_MASTER_ELECTION_ENDPOINT: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ struct sockaddr_storage addr;
+ status_t status = getMasterElectionEndpoint(&addr);
+
+ if ((status == OK) && !canSerializeSockaddr(&addr)) {
+ status = UNKNOWN_ERROR;
+ }
+
+ reply->writeInt32(status);
+
+ if (status == OK) {
+ serializeSockaddr(reply, &addr);
+ }
+
+ return OK;
+ } break;
+
+ case SET_MASTER_ELECTION_ENDPOINT: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ struct sockaddr_storage addr;
+ int hasAddr = data.readInt32();
+
+ status_t status;
+ if (hasAddr) {
+ deserializeSockaddr(&data, &addr);
+ status = setMasterElectionEndpoint(&addr);
+ } else {
+ status = setMasterElectionEndpoint(&addr);
+ }
+
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_MASTER_ELECTION_GROUP_ID: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ uint64_t id;
+ status_t status = getMasterElectionGroupId(&id);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt64(id);
+ }
+ return OK;
+ } break;
+
+ case SET_MASTER_ELECTION_GROUP_ID: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ uint64_t id = static_cast<uint64_t>(data.readInt64());
+ status_t status = setMasterElectionGroupId(id);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_INTERFACE_BINDING: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ String16 ret;
+ status_t status = getInterfaceBinding(ret);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeString16(ret);
+ }
+ return OK;
+ } break;
+
+ case SET_INTERFACE_BINDING: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ String16 ifaceName;
+ ifaceName = data.readString16();
+ status_t status = setInterfaceBinding(ifaceName);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_MASTER_ANNOUNCE_INTERVAL: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int interval;
+ status_t status = getMasterAnnounceInterval(&interval);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(interval);
+ }
+ return OK;
+ } break;
+
+ case SET_MASTER_ANNOUNCE_INTERVAL: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int interval = data.readInt32();
+ status_t status = setMasterAnnounceInterval(interval);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_CLIENT_SYNC_INTERVAL: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int interval;
+ status_t status = getClientSyncInterval(&interval);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(interval);
+ }
+ return OK;
+ } break;
+
+ case SET_CLIENT_SYNC_INTERVAL: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int interval = data.readInt32();
+ status_t status = setClientSyncInterval(interval);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_PANIC_THRESHOLD: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int threshold;
+ status_t status = getPanicThreshold(&threshold);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(threshold);
+ }
+ return OK;
+ } break;
+
+ case SET_PANIC_THRESHOLD: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ int threshold = data.readInt32();
+ status_t status = setPanicThreshold(threshold);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case GET_AUTO_DISABLE: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ bool autoDisable;
+ status_t status = getAutoDisable(&autoDisable);
+ reply->writeInt32(status);
+ if (status == OK) {
+ reply->writeInt32(autoDisable ? 1 : 0);
+ }
+ return OK;
+ } break;
+
+ case SET_AUTO_DISABLE: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ bool autoDisable = (0 != data.readInt32());
+ status_t status = setAutoDisable(autoDisable);
+ reply->writeInt32(status);
+ return OK;
+ } break;
+
+ case FORCE_NETWORKLESS_MASTER_MODE: {
+ CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+ status_t status = forceNetworklessMasterMode();
+ reply->writeInt32(status);
+ return OK;
+ } break;
+ }
+ return BBinder::onTransact(code, data, reply, flags);
+}
+
+}; // namespace android
+
diff --git a/media/common_time/cc_helper.cpp b/media/common_time/cc_helper.cpp
new file mode 100644
index 0000000..8d8556c
--- /dev/null
+++ b/media/common_time/cc_helper.cpp
@@ -0,0 +1,129 @@
+/*
+ * 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 <stdint.h>
+
+#include <common_time/cc_helper.h>
+#include <common_time/ICommonClock.h>
+#include <utils/threads.h>
+
+namespace android {
+
+Mutex CCHelper::lock_;
+sp<ICommonClock> CCHelper::common_clock_;
+sp<ICommonClockListener> CCHelper::common_clock_listener_;
+uint32_t CCHelper::ref_count_ = 0;
+
+bool CCHelper::verifyClock_l() {
+ bool ret = false;
+
+ if (common_clock_ == NULL) {
+ common_clock_ = ICommonClock::getInstance();
+ if (common_clock_ == NULL)
+ goto bailout;
+ }
+
+ if (ref_count_ > 0) {
+ if (common_clock_listener_ == NULL) {
+ common_clock_listener_ = new CommonClockListener();
+ if (common_clock_listener_ == NULL)
+ goto bailout;
+
+ if (OK != common_clock_->registerListener(common_clock_listener_))
+ goto bailout;
+ }
+ }
+
+ ret = true;
+
+bailout:
+ if (!ret) {
+ common_clock_listener_ = NULL;
+ common_clock_ = NULL;
+ }
+ return ret;
+}
+
+CCHelper::CCHelper() {
+ Mutex::Autolock lock(&lock_);
+ ref_count_++;
+ verifyClock_l();
+}
+
+CCHelper::~CCHelper() {
+ Mutex::Autolock lock(&lock_);
+
+ assert(ref_count_ > 0);
+ ref_count_--;
+
+ // If we were the last CCHelper instance in the system, and we had
+ // previously register a listener, unregister it now so that the common time
+ // service has the chance to go into auto-disabled mode.
+ if (!ref_count_ &&
+ (common_clock_ != NULL) &&
+ (common_clock_listener_ != NULL)) {
+ common_clock_->unregisterListener(common_clock_listener_);
+ common_clock_listener_ = NULL;
+ }
+}
+
+void CCHelper::CommonClockListener::onTimelineChanged(uint64_t timelineID) {
+ // do nothing; listener is only really used as a token so the server can
+ // find out when clients die.
+}
+
+// Helper methods which attempts to make calls to the common time binder
+// service. If the first attempt fails with DEAD_OBJECT, the helpers will
+// attempt to make a connection to the service again (assuming that the process
+// hosting the service had crashed and the client proxy we are holding is dead)
+// If the second attempt fails, or no connection can be made, the we let the
+// error propagate up the stack and let the caller deal with the situation as
+// best they can.
+#define CCHELPER_METHOD(decl, call) \
+ status_t CCHelper::decl { \
+ Mutex::Autolock lock(&lock_); \
+ \
+ if (!verifyClock_l()) \
+ return DEAD_OBJECT; \
+ \
+ status_t status = common_clock_->call; \
+ if (DEAD_OBJECT == status) { \
+ if (!verifyClock_l()) \
+ return DEAD_OBJECT; \
+ status = common_clock_->call; \
+ } \
+ \
+ return status; \
+ }
+
+#define VERIFY_CLOCK()
+
+CCHELPER_METHOD(isCommonTimeValid(bool* valid, uint32_t* timelineID),
+ isCommonTimeValid(valid, timelineID))
+CCHELPER_METHOD(commonTimeToLocalTime(int64_t commonTime, int64_t* localTime),
+ commonTimeToLocalTime(commonTime, localTime))
+CCHELPER_METHOD(localTimeToCommonTime(int64_t localTime, int64_t* commonTime),
+ localTimeToCommonTime(localTime, commonTime))
+CCHELPER_METHOD(getCommonTime(int64_t* commonTime),
+ getCommonTime(commonTime))
+CCHELPER_METHOD(getCommonFreq(uint64_t* freq),
+ getCommonFreq(freq))
+CCHELPER_METHOD(getLocalTime(int64_t* localTime),
+ getLocalTime(localTime))
+CCHELPER_METHOD(getLocalFreq(uint64_t* freq),
+ getLocalFreq(freq))
+
+} // namespace android
diff --git a/media/common_time/local_clock.cpp b/media/common_time/local_clock.cpp
new file mode 100644
index 0000000..a7c61fc
--- /dev/null
+++ b/media/common_time/local_clock.cpp
@@ -0,0 +1,92 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "common_time"
+#include <utils/Log.h>
+
+#include <assert.h>
+#include <stdint.h>
+
+#include <common_time/local_clock.h>
+#include <hardware/hardware.h>
+#include <hardware/local_time_hal.h>
+#include <utils/Errors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+Mutex LocalClock::dev_lock_;
+local_time_hw_device_t* LocalClock::dev_ = NULL;
+
+LocalClock::LocalClock() {
+ int res;
+ const hw_module_t* mod;
+
+ AutoMutex lock(&dev_lock_);
+
+ if (dev_ != NULL)
+ return;
+
+ res = hw_get_module_by_class(LOCAL_TIME_HARDWARE_MODULE_ID, NULL, &mod);
+ if (res) {
+ ALOGE("Failed to open local time HAL module (res = %d)", res);
+ } else {
+ res = local_time_hw_device_open(mod, &dev_);
+ if (res) {
+ ALOGE("Failed to open local time HAL device (res = %d)", res);
+ dev_ = NULL;
+ }
+ }
+}
+
+bool LocalClock::initCheck() {
+ return (NULL != dev_);
+}
+
+int64_t LocalClock::getLocalTime() {
+ assert(NULL != dev_);
+ assert(NULL != dev_->get_local_time);
+
+ return dev_->get_local_time(dev_);
+}
+
+uint64_t LocalClock::getLocalFreq() {
+ assert(NULL != dev_);
+ assert(NULL != dev_->get_local_freq);
+
+ return dev_->get_local_freq(dev_);
+}
+
+status_t LocalClock::setLocalSlew(int16_t rate) {
+ assert(NULL != dev_);
+
+ if (!dev_->set_local_slew)
+ return INVALID_OPERATION;
+
+ return static_cast<status_t>(dev_->set_local_slew(dev_, rate));
+}
+
+int32_t LocalClock::getDebugLog(struct local_time_debug_event* records,
+ int max_records) {
+ assert(NULL != dev_);
+
+ if (!dev_->get_debug_log)
+ return INVALID_OPERATION;
+
+ return dev_->get_debug_log(dev_, records, max_records);
+}
+
+} // namespace android
diff --git a/media/common_time/utils.cpp b/media/common_time/utils.cpp
new file mode 100644
index 0000000..6539171
--- /dev/null
+++ b/media/common_time/utils.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2012 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 <arpa/inet.h>
+#include <linux/socket.h>
+
+#include <binder/Parcel.h>
+
+namespace android {
+
+bool canSerializeSockaddr(const struct sockaddr_storage* addr) {
+ switch (addr->ss_family) {
+ case AF_INET:
+ case AF_INET6:
+ return true;
+ default:
+ return false;
+ }
+}
+
+void serializeSockaddr(Parcel* p, const struct sockaddr_storage* addr) {
+ switch (addr->ss_family) {
+ case AF_INET: {
+ const struct sockaddr_in* s =
+ reinterpret_cast<const struct sockaddr_in*>(addr);
+ p->writeInt32(AF_INET);
+ p->writeInt32(ntohl(s->sin_addr.s_addr));
+ p->writeInt32(static_cast<int32_t>(ntohs(s->sin_port)));
+ } break;
+
+ case AF_INET6: {
+ const struct sockaddr_in6* s =
+ reinterpret_cast<const struct sockaddr_in6*>(addr);
+ const int32_t* a =
+ reinterpret_cast<const int32_t*>(s->sin6_addr.s6_addr);
+ p->writeInt32(AF_INET6);
+ p->writeInt32(ntohl(a[0]));
+ p->writeInt32(ntohl(a[1]));
+ p->writeInt32(ntohl(a[2]));
+ p->writeInt32(ntohl(a[3]));
+ p->writeInt32(static_cast<int32_t>(ntohs(s->sin6_port)));
+ p->writeInt32(ntohl(s->sin6_flowinfo));
+ p->writeInt32(ntohl(s->sin6_scope_id));
+ } break;
+ }
+}
+
+void deserializeSockaddr(const Parcel* p, struct sockaddr_storage* addr) {
+ memset(addr, 0, sizeof(addr));
+
+ addr->ss_family = p->readInt32();
+ switch(addr->ss_family) {
+ case AF_INET: {
+ struct sockaddr_in* s =
+ reinterpret_cast<struct sockaddr_in*>(addr);
+ s->sin_addr.s_addr = htonl(p->readInt32());
+ s->sin_port = htons(static_cast<uint16_t>(p->readInt32()));
+ } break;
+
+ case AF_INET6: {
+ struct sockaddr_in6* s =
+ reinterpret_cast<struct sockaddr_in6*>(addr);
+ int32_t* a = reinterpret_cast<int32_t*>(s->sin6_addr.s6_addr);
+
+ a[0] = htonl(p->readInt32());
+ a[1] = htonl(p->readInt32());
+ a[2] = htonl(p->readInt32());
+ a[3] = htonl(p->readInt32());
+ s->sin6_port = htons(static_cast<uint16_t>(p->readInt32()));
+ s->sin6_flowinfo = htonl(p->readInt32());
+ s->sin6_scope_id = htonl(p->readInt32());
+ } break;
+ }
+}
+
+} // namespace android
diff --git a/media/common_time/utils.h b/media/common_time/utils.h
new file mode 100644
index 0000000..ce79d0d
--- /dev/null
+++ b/media/common_time/utils.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2012 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 ANDROID_LIBCOMMONCLOCK_UTILS_H
+#define ANDROID_LIBCOMMONCLOCK_UTILS_H
+
+#include <linux/socket.h>
+
+#include <binder/Parcel.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+extern bool canSerializeSockaddr(const struct sockaddr_storage* addr);
+extern void serializeSockaddr(Parcel* p, const struct sockaddr_storage* addr);
+extern status_t deserializeSockaddr(const Parcel* p,
+ struct sockaddr_storage* addr);
+
+}; // namespace android
+
+#endif // ANDROID_LIBCOMMONCLOCK_UTILS_H
generated by cgit v1.1 at 2024-05-10 13:54:00 +0000