| /* | |
| * Copyright (C) 2005 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. | |
| */ | |
| // | |
| // Handle events, like key input and vsync. | |
| // | |
| // The goal is to provide an optimized solution for Linux, not an | |
| // implementation that works well across all platforms. We expect | |
| // events to arrive on file descriptors, so that we can use a select() | |
| // select() call to sleep. | |
| // | |
| // We can't select() on anything but network sockets in Windows, so we | |
| // provide an alternative implementation of waitEvent for that platform. | |
| // | |
| #define LOG_TAG "EventHub" | |
| //#define LOG_NDEBUG 0 | |
| #include "EventHub.h" | |
| #include <hardware_legacy/power.h> | |
| #include <cutils/properties.h> | |
| #include <utils/Log.h> | |
| #include <utils/Timers.h> | |
| #include <utils/threads.h> | |
| #include <utils/Errors.h> | |
| #include <stdlib.h> | |
| #include <stdio.h> | |
| #include <unistd.h> | |
| #include <fcntl.h> | |
| #include <memory.h> | |
| #include <errno.h> | |
| #include <assert.h> | |
| #include <ui/KeyLayoutMap.h> | |
| #include <ui/KeyCharacterMap.h> | |
| #include <ui/VirtualKeyMap.h> | |
| #include <string.h> | |
| #include <stdint.h> | |
| #include <dirent.h> | |
| #ifdef HAVE_INOTIFY | |
| # include <sys/inotify.h> | |
| #endif | |
| #ifdef HAVE_ANDROID_OS | |
| # include <sys/limits.h> /* not part of Linux */ | |
| #endif | |
| #include <sys/poll.h> | |
| #include <sys/ioctl.h> | |
| /* this macro is used to tell if "bit" is set in "array" | |
| * it selects a byte from the array, and does a boolean AND | |
| * operation with a byte that only has the relevant bit set. | |
| * eg. to check for the 12th bit, we do (array[1] & 1<<4) | |
| */ | |
| #define test_bit(bit, array) (array[bit/8] & (1<<(bit%8))) | |
| /* this macro computes the number of bytes needed to represent a bit array of the specified size */ | |
| #define sizeof_bit_array(bits) ((bits + 7) / 8) | |
| // Fd at index 0 is always reserved for inotify | |
| #define FIRST_ACTUAL_DEVICE_INDEX 1 | |
| #define INDENT " " | |
| #define INDENT2 " " | |
| #define INDENT3 " " | |
| namespace android { | |
| static const char *WAKE_LOCK_ID = "KeyEvents"; | |
| static const char *DEVICE_PATH = "/dev/input"; | |
| /* return the larger integer */ | |
| static inline int max(int v1, int v2) | |
| { | |
| return (v1 > v2) ? v1 : v2; | |
| } | |
| static inline const char* toString(bool value) { | |
| return value ? "true" : "false"; | |
| } | |
| // --- EventHub::Device --- | |
| EventHub::Device::Device(int fd, int32_t id, const String8& path, | |
| const InputDeviceIdentifier& identifier) : | |
| next(NULL), | |
| fd(fd), id(id), path(path), identifier(identifier), | |
| classes(0), keyBitmask(NULL), relBitmask(NULL), | |
| configuration(NULL), virtualKeyMap(NULL) { | |
| } | |
| EventHub::Device::~Device() { | |
| close(); | |
| delete[] keyBitmask; | |
| delete[] relBitmask; | |
| delete configuration; | |
| delete virtualKeyMap; | |
| } | |
| void EventHub::Device::close() { | |
| if (fd >= 0) { | |
| ::close(fd); | |
| fd = -1; | |
| } | |
| } | |
| // --- EventHub --- | |
| EventHub::EventHub(void) : | |
| mError(NO_INIT), mBuiltInKeyboardId(-1), mNextDeviceId(1), | |
| mOpeningDevices(0), mClosingDevices(0), | |
| mOpened(false), mNeedToSendFinishedDeviceScan(false), | |
| mInputBufferIndex(0), mInputBufferCount(0), mInputFdIndex(0) { | |
| acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); | |
| memset(mSwitches, 0, sizeof(mSwitches)); | |
| } | |
| EventHub::~EventHub(void) { | |
| release_wake_lock(WAKE_LOCK_ID); | |
| // we should free stuff here... | |
| } | |
| status_t EventHub::errorCheck() const { | |
| return mError; | |
| } | |
| String8 EventHub::getDeviceName(int32_t deviceId) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device == NULL) return String8(); | |
| return device->identifier.name; | |
| } | |
| uint32_t EventHub::getDeviceClasses(int32_t deviceId) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device == NULL) return 0; | |
| return device->classes; | |
| } | |
| void EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device && device->configuration) { | |
| *outConfiguration = *device->configuration; | |
| } else { | |
| outConfiguration->clear(); | |
| } | |
| } | |
| status_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, | |
| RawAbsoluteAxisInfo* outAxisInfo) const { | |
| outAxisInfo->clear(); | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device == NULL) return -1; | |
| struct input_absinfo info; | |
| if(ioctl(device->fd, EVIOCGABS(axis), &info)) { | |
| LOGW("Error reading absolute controller %d for device %s fd %d\n", | |
| axis, device->identifier.name.string(), device->fd); | |
| return -errno; | |
| } | |
| if (info.minimum != info.maximum) { | |
| outAxisInfo->valid = true; | |
| outAxisInfo->minValue = info.minimum; | |
| outAxisInfo->maxValue = info.maximum; | |
| outAxisInfo->flat = info.flat; | |
| outAxisInfo->fuzz = info.fuzz; | |
| } | |
| return OK; | |
| } | |
| bool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { | |
| if (axis >= 0 && axis <= REL_MAX) { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device && device->relBitmask) { | |
| return test_bit(axis, device->relBitmask); | |
| } | |
| } | |
| return false; | |
| } | |
| int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { | |
| if (scanCode >= 0 && scanCode <= KEY_MAX) { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device != NULL) { | |
| return getScanCodeStateLocked(device, scanCode); | |
| } | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| int32_t EventHub::getScanCodeStateLocked(Device* device, int32_t scanCode) const { | |
| uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; | |
| memset(key_bitmask, 0, sizeof(key_bitmask)); | |
| if (ioctl(device->fd, | |
| EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) { | |
| return test_bit(scanCode, key_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP; | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device != NULL) { | |
| return getKeyCodeStateLocked(device, keyCode); | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| int32_t EventHub::getKeyCodeStateLocked(Device* device, int32_t keyCode) const { | |
| if (!device->keyMap.haveKeyLayout()) { | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| Vector<int32_t> scanCodes; | |
| device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); | |
| uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; | |
| memset(key_bitmask, 0, sizeof(key_bitmask)); | |
| if (ioctl(device->fd, EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) { | |
| #if 0 | |
| for (size_t i=0; i<=KEY_MAX; i++) { | |
| LOGI("(Scan code %d: down=%d)", i, test_bit(i, key_bitmask)); | |
| } | |
| #endif | |
| const size_t N = scanCodes.size(); | |
| for (size_t i=0; i<N && i<=KEY_MAX; i++) { | |
| int32_t sc = scanCodes.itemAt(i); | |
| //LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask)); | |
| if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) { | |
| return AKEY_STATE_DOWN; | |
| } | |
| } | |
| return AKEY_STATE_UP; | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { | |
| if (sw >= 0 && sw <= SW_MAX) { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device != NULL) { | |
| return getSwitchStateLocked(device, sw); | |
| } | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| int32_t EventHub::getSwitchStateLocked(Device* device, int32_t sw) const { | |
| uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)]; | |
| memset(sw_bitmask, 0, sizeof(sw_bitmask)); | |
| if (ioctl(device->fd, | |
| EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) { | |
| return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP; | |
| } | |
| return AKEY_STATE_UNKNOWN; | |
| } | |
| bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, | |
| const int32_t* keyCodes, uint8_t* outFlags) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device != NULL) { | |
| return markSupportedKeyCodesLocked(device, numCodes, keyCodes, outFlags); | |
| } | |
| return false; | |
| } | |
| bool EventHub::markSupportedKeyCodesLocked(Device* device, size_t numCodes, | |
| const int32_t* keyCodes, uint8_t* outFlags) const { | |
| if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { | |
| return false; | |
| } | |
| Vector<int32_t> scanCodes; | |
| for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { | |
| scanCodes.clear(); | |
| status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( | |
| keyCodes[codeIndex], &scanCodes); | |
| if (! err) { | |
| // check the possible scan codes identified by the layout map against the | |
| // map of codes actually emitted by the driver | |
| for (size_t sc = 0; sc < scanCodes.size(); sc++) { | |
| if (test_bit(scanCodes[sc], device->keyBitmask)) { | |
| outFlags[codeIndex] = 1; | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| status_t EventHub::mapKey(int32_t deviceId, int scancode, | |
| int32_t* outKeycode, uint32_t* outFlags) const | |
| { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device && device->keyMap.haveKeyLayout()) { | |
| status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); | |
| if (err == NO_ERROR) { | |
| return NO_ERROR; | |
| } | |
| } | |
| if (mBuiltInKeyboardId != -1) { | |
| device = getDeviceLocked(mBuiltInKeyboardId); | |
| if (device && device->keyMap.haveKeyLayout()) { | |
| status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); | |
| if (err == NO_ERROR) { | |
| return NO_ERROR; | |
| } | |
| } | |
| } | |
| *outKeycode = 0; | |
| *outFlags = 0; | |
| return NAME_NOT_FOUND; | |
| } | |
| status_t EventHub::mapAxis(int32_t deviceId, int scancode, AxisInfo* outAxisInfo) const | |
| { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device && device->keyMap.haveKeyLayout()) { | |
| status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); | |
| if (err == NO_ERROR) { | |
| return NO_ERROR; | |
| } | |
| } | |
| if (mBuiltInKeyboardId != -1) { | |
| device = getDeviceLocked(mBuiltInKeyboardId); | |
| if (device && device->keyMap.haveKeyLayout()) { | |
| status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); | |
| if (err == NO_ERROR) { | |
| return NO_ERROR; | |
| } | |
| } | |
| } | |
| return NAME_NOT_FOUND; | |
| } | |
| void EventHub::addExcludedDevice(const char* deviceName) | |
| { | |
| AutoMutex _l(mLock); | |
| String8 name(deviceName); | |
| mExcludedDevices.push_back(name); | |
| } | |
| bool EventHub::hasLed(int32_t deviceId, int32_t led) const { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device) { | |
| uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)]; | |
| memset(bitmask, 0, sizeof(bitmask)); | |
| if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) { | |
| if (test_bit(led, bitmask)) { | |
| return true; | |
| } | |
| } | |
| } | |
| return false; | |
| } | |
| void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device) { | |
| struct input_event ev; | |
| ev.time.tv_sec = 0; | |
| ev.time.tv_usec = 0; | |
| ev.type = EV_LED; | |
| ev.code = led; | |
| ev.value = on ? 1 : 0; | |
| ssize_t nWrite; | |
| do { | |
| nWrite = write(device->fd, &ev, sizeof(struct input_event)); | |
| } while (nWrite == -1 && errno == EINTR); | |
| } | |
| } | |
| void EventHub::getVirtualKeyDefinitions(int32_t deviceId, | |
| Vector<VirtualKeyDefinition>& outVirtualKeys) const { | |
| outVirtualKeys.clear(); | |
| AutoMutex _l(mLock); | |
| Device* device = getDeviceLocked(deviceId); | |
| if (device && device->virtualKeyMap) { | |
| outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); | |
| } | |
| } | |
| EventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { | |
| if (deviceId == 0) { | |
| deviceId = mBuiltInKeyboardId; | |
| } | |
| size_t numDevices = mDevices.size(); | |
| for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < numDevices; i++) { | |
| Device* device = mDevices[i]; | |
| if (device->id == deviceId) { | |
| return device; | |
| } | |
| } | |
| return NULL; | |
| } | |
| bool EventHub::getEvent(RawEvent* outEvent) { | |
| outEvent->deviceId = 0; | |
| outEvent->type = 0; | |
| outEvent->scanCode = 0; | |
| outEvent->keyCode = 0; | |
| outEvent->flags = 0; | |
| outEvent->value = 0; | |
| outEvent->when = 0; | |
| // Note that we only allow one caller to getEvent(), so don't need | |
| // to do locking here... only when adding/removing devices. | |
| if (!mOpened) { | |
| mError = openPlatformInput() ? NO_ERROR : UNKNOWN_ERROR; | |
| mOpened = true; | |
| mNeedToSendFinishedDeviceScan = true; | |
| } | |
| for (;;) { | |
| // Report any devices that had last been added/removed. | |
| if (mClosingDevices != NULL) { | |
| Device* device = mClosingDevices; | |
| LOGV("Reporting device closed: id=%d, name=%s\n", | |
| device->id, device->path.string()); | |
| mClosingDevices = device->next; | |
| if (device->id == mBuiltInKeyboardId) { | |
| outEvent->deviceId = 0; | |
| } else { | |
| outEvent->deviceId = device->id; | |
| } | |
| outEvent->type = DEVICE_REMOVED; | |
| outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); | |
| delete device; | |
| mNeedToSendFinishedDeviceScan = true; | |
| return true; | |
| } | |
| if (mOpeningDevices != NULL) { | |
| Device* device = mOpeningDevices; | |
| LOGV("Reporting device opened: id=%d, name=%s\n", | |
| device->id, device->path.string()); | |
| mOpeningDevices = device->next; | |
| if (device->id == mBuiltInKeyboardId) { | |
| outEvent->deviceId = 0; | |
| } else { | |
| outEvent->deviceId = device->id; | |
| } | |
| outEvent->type = DEVICE_ADDED; | |
| outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); | |
| mNeedToSendFinishedDeviceScan = true; | |
| return true; | |
| } | |
| if (mNeedToSendFinishedDeviceScan) { | |
| mNeedToSendFinishedDeviceScan = false; | |
| outEvent->type = FINISHED_DEVICE_SCAN; | |
| outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); | |
| return true; | |
| } | |
| // Grab the next input event. | |
| bool deviceWasRemoved = false; | |
| for (;;) { | |
| // Consume buffered input events, if any. | |
| if (mInputBufferIndex < mInputBufferCount) { | |
| const struct input_event& iev = mInputBufferData[mInputBufferIndex++]; | |
| const Device* device = mDevices[mInputFdIndex]; | |
| LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", device->path.string(), | |
| (int) iev.time.tv_sec, (int) iev.time.tv_usec, iev.type, iev.code, iev.value); | |
| if (device->id == mBuiltInKeyboardId) { | |
| outEvent->deviceId = 0; | |
| } else { | |
| outEvent->deviceId = device->id; | |
| } | |
| outEvent->type = iev.type; | |
| outEvent->scanCode = iev.code; | |
| outEvent->flags = 0; | |
| if (iev.type == EV_KEY) { | |
| outEvent->keyCode = AKEYCODE_UNKNOWN; | |
| if (device->keyMap.haveKeyLayout()) { | |
| status_t err = device->keyMap.keyLayoutMap->mapKey(iev.code, | |
| &outEvent->keyCode, &outEvent->flags); | |
| LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n", | |
| iev.code, outEvent->keyCode, outEvent->flags, err); | |
| } | |
| } else { | |
| outEvent->keyCode = iev.code; | |
| } | |
| outEvent->value = iev.value; | |
| // Use an event timestamp in the same timebase as | |
| // java.lang.System.nanoTime() and android.os.SystemClock.uptimeMillis() | |
| // as expected by the rest of the system. | |
| outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); | |
| return true; | |
| } | |
| // Finish reading all events from devices identified in previous poll(). | |
| // This code assumes that mInputDeviceIndex is initially 0 and that the | |
| // revents member of pollfd is initialized to 0 when the device is first added. | |
| // Since mFds[0] is used for inotify, we process regular events starting at index 1. | |
| mInputFdIndex += 1; | |
| if (mInputFdIndex >= mFds.size()) { | |
| break; | |
| } | |
| const struct pollfd& pfd = mFds[mInputFdIndex]; | |
| if (pfd.revents & POLLIN) { | |
| int32_t readSize = read(pfd.fd, mInputBufferData, | |
| sizeof(struct input_event) * INPUT_BUFFER_SIZE); | |
| if (readSize < 0) { | |
| if (errno == ENODEV) { | |
| deviceWasRemoved = true; | |
| break; | |
| } | |
| if (errno != EAGAIN && errno != EINTR) { | |
| LOGW("could not get event (errno=%d)", errno); | |
| } | |
| } else if ((readSize % sizeof(struct input_event)) != 0) { | |
| LOGE("could not get event (wrong size: %d)", readSize); | |
| } else { | |
| mInputBufferCount = size_t(readSize) / sizeof(struct input_event); | |
| mInputBufferIndex = 0; | |
| } | |
| } | |
| } | |
| // Handle the case where a device has been removed but INotify has not yet noticed. | |
| if (deviceWasRemoved) { | |
| AutoMutex _l(mLock); | |
| closeDeviceAtIndexLocked(mInputFdIndex); | |
| continue; // report added or removed devices immediately | |
| } | |
| #if HAVE_INOTIFY | |
| // readNotify() will modify mFDs and mFDCount, so this must be done after | |
| // processing all other events. | |
| if(mFds[0].revents & POLLIN) { | |
| readNotify(mFds[0].fd); | |
| mFds.editItemAt(0).revents = 0; | |
| continue; // report added or removed devices immediately | |
| } | |
| #endif | |
| // Poll for events. Mind the wake lock dance! | |
| // We hold a wake lock at all times except during poll(). This works due to some | |
| // subtle choreography. When a device driver has pending (unread) events, it acquires | |
| // a kernel wake lock. However, once the last pending event has been read, the device | |
| // driver will release the kernel wake lock. To prevent the system from going to sleep | |
| // when this happens, the EventHub holds onto its own user wake lock while the client | |
| // is processing events. Thus the system can only sleep if there are no events | |
| // pending or currently being processed. | |
| release_wake_lock(WAKE_LOCK_ID); | |
| int pollResult = poll(mFds.editArray(), mFds.size(), -1); | |
| acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); | |
| if (pollResult <= 0) { | |
| if (errno != EINTR) { | |
| LOGW("poll failed (errno=%d)\n", errno); | |
| usleep(100000); | |
| } | |
| } | |
| // Prepare to process all of the FDs we just polled. | |
| mInputFdIndex = 0; | |
| } | |
| } | |
| /* | |
| * Open the platform-specific input device. | |
| */ | |
| bool EventHub::openPlatformInput(void) { | |
| /* | |
| * Open platform-specific input device(s). | |
| */ | |
| int res, fd; | |
| #ifdef HAVE_INOTIFY | |
| fd = inotify_init(); | |
| res = inotify_add_watch(fd, DEVICE_PATH, IN_DELETE | IN_CREATE); | |
| if(res < 0) { | |
| LOGE("could not add watch for %s, %s\n", DEVICE_PATH, strerror(errno)); | |
| } | |
| #else | |
| /* | |
| * The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd. | |
| * We allocate space for it and set it to something invalid. | |
| */ | |
| fd = -1; | |
| #endif | |
| // Reserve fd index 0 for inotify. | |
| struct pollfd pollfd; | |
| pollfd.fd = fd; | |
| pollfd.events = POLLIN; | |
| pollfd.revents = 0; | |
| mFds.push(pollfd); | |
| mDevices.push(NULL); | |
| res = scanDir(DEVICE_PATH); | |
| if(res < 0) { | |
| LOGE("scan dir failed for %s\n", DEVICE_PATH); | |
| } | |
| return true; | |
| } | |
| // ---------------------------------------------------------------------------- | |
| static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { | |
| const uint8_t* end = array + endIndex; | |
| array += startIndex; | |
| while (array != end) { | |
| if (*(array++) != 0) { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| static const int32_t GAMEPAD_KEYCODES[] = { | |
| AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, | |
| AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, | |
| AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, | |
| AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, | |
| AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, | |
| AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, | |
| AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, | |
| AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, | |
| AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, | |
| AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, | |
| }; | |
| int EventHub::openDevice(const char *devicePath) { | |
| char buffer[80]; | |
| LOGV("Opening device: %s", devicePath); | |
| AutoMutex _l(mLock); | |
| int fd = open(devicePath, O_RDWR); | |
| if(fd < 0) { | |
| LOGE("could not open %s, %s\n", devicePath, strerror(errno)); | |
| return -1; | |
| } | |
| InputDeviceIdentifier identifier; | |
| // Get device name. | |
| if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { | |
| //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); | |
| } else { | |
| buffer[sizeof(buffer) - 1] = '\0'; | |
| identifier.name.setTo(buffer); | |
| } | |
| // Check to see if the device is on our excluded list | |
| List<String8>::iterator iter = mExcludedDevices.begin(); | |
| List<String8>::iterator end = mExcludedDevices.end(); | |
| for ( ; iter != end; iter++) { | |
| const char* test = *iter; | |
| if (identifier.name == test) { | |
| LOGI("ignoring event id %s driver %s\n", devicePath, test); | |
| close(fd); | |
| return -1; | |
| } | |
| } | |
| // Get device driver version. | |
| int driverVersion; | |
| if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { | |
| LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); | |
| close(fd); | |
| return -1; | |
| } | |
| // Get device identifier. | |
| struct input_id inputId; | |
| if(ioctl(fd, EVIOCGID, &inputId)) { | |
| LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); | |
| close(fd); | |
| return -1; | |
| } | |
| identifier.bus = inputId.bustype; | |
| identifier.product = inputId.product; | |
| identifier.vendor = inputId.vendor; | |
| identifier.version = inputId.version; | |
| // Get device physical location. | |
| if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { | |
| //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); | |
| } else { | |
| buffer[sizeof(buffer) - 1] = '\0'; | |
| identifier.location.setTo(buffer); | |
| } | |
| // Get device unique id. | |
| if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { | |
| //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); | |
| } else { | |
| buffer[sizeof(buffer) - 1] = '\0'; | |
| identifier.uniqueId.setTo(buffer); | |
| } | |
| // Make file descriptor non-blocking for use with poll(). | |
| if (fcntl(fd, F_SETFL, O_NONBLOCK)) { | |
| LOGE("Error %d making device file descriptor non-blocking.", errno); | |
| close(fd); | |
| return -1; | |
| } | |
| // Allocate device. (The device object takes ownership of the fd at this point.) | |
| int32_t deviceId = mNextDeviceId++; | |
| Device* device = new Device(fd, deviceId, String8(devicePath), identifier); | |
| #if 0 | |
| LOGI("add device %d: %s\n", deviceId, devicePath); | |
| LOGI(" bus: %04x\n" | |
| " vendor %04x\n" | |
| " product %04x\n" | |
| " version %04x\n", | |
| identifier.bus, identifier.vendor, identifier.product, identifier.version); | |
| LOGI(" name: \"%s\"\n", identifier.name.string()); | |
| LOGI(" location: \"%s\"\n", identifier.location.string()); | |
| LOGI(" unique id: \"%s\"\n", identifier.uniqueId.string()); | |
| LOGI(" driver: v%d.%d.%d\n", | |
| driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); | |
| #endif | |
| // Load the configuration file for the device. | |
| loadConfiguration(device); | |
| // Figure out the kinds of events the device reports. | |
| uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; | |
| memset(key_bitmask, 0, sizeof(key_bitmask)); | |
| ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask); | |
| uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)]; | |
| memset(abs_bitmask, 0, sizeof(abs_bitmask)); | |
| ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask); | |
| uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)]; | |
| memset(rel_bitmask, 0, sizeof(rel_bitmask)); | |
| ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask); | |
| uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)]; | |
| memset(sw_bitmask, 0, sizeof(sw_bitmask)); | |
| ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask); | |
| device->keyBitmask = new uint8_t[sizeof(key_bitmask)]; | |
| if (device->keyBitmask != NULL) { | |
| memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask)); | |
| } else { | |
| delete device; | |
| LOGE("out of memory allocating key bitmask"); | |
| return -1; | |
| } | |
| device->relBitmask = new uint8_t[sizeof(rel_bitmask)]; | |
| if (device->relBitmask != NULL) { | |
| memcpy(device->relBitmask, rel_bitmask, sizeof(rel_bitmask)); | |
| } else { | |
| delete device; | |
| LOGE("out of memory allocating rel bitmask"); | |
| return -1; | |
| } | |
| // See if this is a keyboard. Ignore everything in the button range except for | |
| // joystick and gamepad buttons which are handled like keyboards for the most part. | |
| bool haveKeyboardKeys = containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC)) | |
| || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK), | |
| sizeof_bit_array(KEY_MAX + 1)); | |
| bool haveGamepadButtons = containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_MISC), | |
| sizeof_bit_array(BTN_MOUSE)) | |
| || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_JOYSTICK), | |
| sizeof_bit_array(BTN_DIGI)); | |
| if (haveKeyboardKeys || haveGamepadButtons) { | |
| device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; | |
| } | |
| // See if this is a cursor device such as a trackball or mouse. | |
| if (test_bit(BTN_MOUSE, key_bitmask) | |
| && test_bit(REL_X, rel_bitmask) | |
| && test_bit(REL_Y, rel_bitmask)) { | |
| device->classes |= INPUT_DEVICE_CLASS_CURSOR; | |
| } | |
| // See if this is a touch pad. | |
| // Is this a new modern multi-touch driver? | |
| if (test_bit(ABS_MT_POSITION_X, abs_bitmask) | |
| && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) { | |
| // Some joysticks such as the PS3 controller report axes that conflict | |
| // with the ABS_MT range. Try to confirm that the device really is | |
| // a touch screen. | |
| if (test_bit(BTN_TOUCH, key_bitmask) || !haveGamepadButtons) { | |
| device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; | |
| } | |
| // Is this an old style single-touch driver? | |
| } else if (test_bit(BTN_TOUCH, key_bitmask) | |
| && test_bit(ABS_X, abs_bitmask) | |
| && test_bit(ABS_Y, abs_bitmask)) { | |
| device->classes |= INPUT_DEVICE_CLASS_TOUCH; | |
| } | |
| // See if this device is a joystick. | |
| // Ignore touchscreens because they use the same absolute axes for other purposes. | |
| // Assumes that joysticks always have gamepad buttons in order to distinguish them | |
| // from other devices such as accelerometers that also have absolute axes. | |
| if (haveGamepadButtons | |
| && !(device->classes & INPUT_DEVICE_CLASS_TOUCH) | |
| && containsNonZeroByte(abs_bitmask, 0, sizeof_bit_array(ABS_MAX + 1))) { | |
| device->classes |= INPUT_DEVICE_CLASS_JOYSTICK; | |
| } | |
| // figure out the switches this device reports | |
| bool haveSwitches = false; | |
| for (int i=0; i<EV_SW; i++) { | |
| //LOGI("Device %d sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask)); | |
| if (test_bit(i, sw_bitmask)) { | |
| haveSwitches = true; | |
| if (mSwitches[i] == 0) { | |
| mSwitches[i] = device->id; | |
| } | |
| } | |
| } | |
| if (haveSwitches) { | |
| device->classes |= INPUT_DEVICE_CLASS_SWITCH; | |
| } | |
| if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { | |
| // Load the virtual keys for the touch screen, if any. | |
| // We do this now so that we can make sure to load the keymap if necessary. | |
| status_t status = loadVirtualKeyMap(device); | |
| if (!status) { | |
| device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; | |
| } | |
| } | |
| // Load the key map. | |
| // We need to do this for joysticks too because the key layout may specify axes. | |
| status_t keyMapStatus = NAME_NOT_FOUND; | |
| if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { | |
| // Load the keymap for the device. | |
| keyMapStatus = loadKeyMap(device); | |
| } | |
| // Configure the keyboard, gamepad or virtual keyboard. | |
| if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { | |
| // Set system properties for the keyboard. | |
| setKeyboardProperties(device, false); | |
| // Register the keyboard as a built-in keyboard if it is eligible. | |
| if (!keyMapStatus | |
| && mBuiltInKeyboardId == -1 | |
| && isEligibleBuiltInKeyboard(device->identifier, | |
| device->configuration, &device->keyMap)) { | |
| mBuiltInKeyboardId = device->id; | |
| setKeyboardProperties(device, true); | |
| } | |
| // 'Q' key support = cheap test of whether this is an alpha-capable kbd | |
| if (hasKeycodeLocked(device, AKEYCODE_Q)) { | |
| device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; | |
| } | |
| // See if this device has a DPAD. | |
| if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && | |
| hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && | |
| hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && | |
| hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && | |
| hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { | |
| device->classes |= INPUT_DEVICE_CLASS_DPAD; | |
| } | |
| // See if this device has a gamepad. | |
| for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { | |
| if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { | |
| device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; | |
| break; | |
| } | |
| } | |
| } | |
| // If the device isn't recognized as something we handle, don't monitor it. | |
| if (device->classes == 0) { | |
| LOGV("Dropping device: id=%d, path='%s', name='%s'", | |
| deviceId, devicePath, device->identifier.name.string()); | |
| delete device; | |
| return -1; | |
| } | |
| // Determine whether the device is external or internal. | |
| if (isExternalDevice(device)) { | |
| device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; | |
| } | |
| LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " | |
| "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s", | |
| deviceId, fd, devicePath, device->identifier.name.string(), | |
| device->classes, | |
| device->configurationFile.string(), | |
| device->keyMap.keyLayoutFile.string(), | |
| device->keyMap.keyCharacterMapFile.string(), | |
| toString(mBuiltInKeyboardId == deviceId)); | |
| struct pollfd pollfd; | |
| pollfd.fd = fd; | |
| pollfd.events = POLLIN; | |
| pollfd.revents = 0; | |
| mFds.push(pollfd); | |
| mDevices.push(device); | |
| device->next = mOpeningDevices; | |
| mOpeningDevices = device; | |
| return 0; | |
| } | |
| void EventHub::loadConfiguration(Device* device) { | |
| device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( | |
| device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); | |
| if (device->configurationFile.isEmpty()) { | |
| LOGD("No input device configuration file found for device '%s'.", | |
| device->identifier.name.string()); | |
| } else { | |
| status_t status = PropertyMap::load(device->configurationFile, | |
| &device->configuration); | |
| if (status) { | |
| LOGE("Error loading input device configuration file for device '%s'. " | |
| "Using default configuration.", | |
| device->identifier.name.string()); | |
| } | |
| } | |
| } | |
| status_t EventHub::loadVirtualKeyMap(Device* device) { | |
| // The virtual key map is supplied by the kernel as a system board property file. | |
| String8 path; | |
| path.append("/sys/board_properties/virtualkeys."); | |
| path.append(device->identifier.name); | |
| if (access(path.string(), R_OK)) { | |
| return NAME_NOT_FOUND; | |
| } | |
| return VirtualKeyMap::load(path, &device->virtualKeyMap); | |
| } | |
| status_t EventHub::loadKeyMap(Device* device) { | |
| return device->keyMap.load(device->identifier, device->configuration); | |
| } | |
| void EventHub::setKeyboardProperties(Device* device, bool builtInKeyboard) { | |
| int32_t id = builtInKeyboard ? 0 : device->id; | |
| android::setKeyboardProperties(id, device->identifier, | |
| device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile); | |
| } | |
| void EventHub::clearKeyboardProperties(Device* device, bool builtInKeyboard) { | |
| int32_t id = builtInKeyboard ? 0 : device->id; | |
| android::clearKeyboardProperties(id); | |
| } | |
| bool EventHub::isExternalDevice(Device* device) { | |
| if (device->configuration) { | |
| bool value; | |
| if (device->configuration->tryGetProperty(String8("device.internal"), value) | |
| && value) { | |
| return false; | |
| } | |
| } | |
| return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; | |
| } | |
| bool EventHub::hasKeycodeLocked(Device* device, int keycode) const { | |
| if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { | |
| return false; | |
| } | |
| Vector<int32_t> scanCodes; | |
| device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); | |
| const size_t N = scanCodes.size(); | |
| for (size_t i=0; i<N && i<=KEY_MAX; i++) { | |
| int32_t sc = scanCodes.itemAt(i); | |
| if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| int EventHub::closeDevice(const char *devicePath) { | |
| AutoMutex _l(mLock); | |
| for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { | |
| Device* device = mDevices[i]; | |
| if (device->path == devicePath) { | |
| return closeDeviceAtIndexLocked(i); | |
| } | |
| } | |
| LOGV("Remove device: %s not found, device may already have been removed.", devicePath); | |
| return -1; | |
| } | |
| int EventHub::closeDeviceAtIndexLocked(int index) { | |
| Device* device = mDevices[index]; | |
| LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", | |
| device->path.string(), device->identifier.name.string(), device->id, | |
| device->fd, device->classes); | |
| for (int j=0; j<EV_SW; j++) { | |
| if (mSwitches[j] == device->id) { | |
| mSwitches[j] = 0; | |
| } | |
| } | |
| if (device->id == mBuiltInKeyboardId) { | |
| LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", | |
| device->path.string(), mBuiltInKeyboardId); | |
| mBuiltInKeyboardId = -1; | |
| clearKeyboardProperties(device, true); | |
| } | |
| clearKeyboardProperties(device, false); | |
| mFds.removeAt(index); | |
| mDevices.removeAt(index); | |
| device->close(); | |
| // Unlink for opening devices list if it is present. | |
| Device* pred = NULL; | |
| bool found = false; | |
| for (Device* entry = mOpeningDevices; entry != NULL; ) { | |
| if (entry == device) { | |
| found = true; | |
| break; | |
| } | |
| pred = entry; | |
| entry = entry->next; | |
| } | |
| if (found) { | |
| // Unlink the device from the opening devices list then delete it. | |
| // We don't need to tell the client that the device was closed because | |
| // it does not even know it was opened in the first place. | |
| LOGI("Device %s was immediately closed after opening.", device->path.string()); | |
| if (pred) { | |
| pred->next = device->next; | |
| } else { | |
| mOpeningDevices = device->next; | |
| } | |
| delete device; | |
| } else { | |
| // Link into closing devices list. | |
| // The device will be deleted later after we have informed the client. | |
| device->next = mClosingDevices; | |
| mClosingDevices = device; | |
| } | |
| return 0; | |
| } | |
| int EventHub::readNotify(int nfd) { | |
| #ifdef HAVE_INOTIFY | |
| int res; | |
| char devname[PATH_MAX]; | |
| char *filename; | |
| char event_buf[512]; | |
| int event_size; | |
| int event_pos = 0; | |
| struct inotify_event *event; | |
| LOGV("EventHub::readNotify nfd: %d\n", nfd); | |
| res = read(nfd, event_buf, sizeof(event_buf)); | |
| if(res < (int)sizeof(*event)) { | |
| if(errno == EINTR) | |
| return 0; | |
| LOGW("could not get event, %s\n", strerror(errno)); | |
| return 1; | |
| } | |
| //printf("got %d bytes of event information\n", res); | |
| strcpy(devname, DEVICE_PATH); | |
| filename = devname + strlen(devname); | |
| *filename++ = '/'; | |
| while(res >= (int)sizeof(*event)) { | |
| event = (struct inotify_event *)(event_buf + event_pos); | |
| //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); | |
| if(event->len) { | |
| strcpy(filename, event->name); | |
| if(event->mask & IN_CREATE) { | |
| openDevice(devname); | |
| } | |
| else { | |
| closeDevice(devname); | |
| } | |
| } | |
| event_size = sizeof(*event) + event->len; | |
| res -= event_size; | |
| event_pos += event_size; | |
| } | |
| #endif | |
| return 0; | |
| } | |
| int EventHub::scanDir(const char *dirname) | |
| { | |
| char devname[PATH_MAX]; | |
| char *filename; | |
| DIR *dir; | |
| struct dirent *de; | |
| dir = opendir(dirname); | |
| if(dir == NULL) | |
| return -1; | |
| strcpy(devname, dirname); | |
| filename = devname + strlen(devname); | |
| *filename++ = '/'; | |
| while((de = readdir(dir))) { | |
| if(de->d_name[0] == '.' && | |
| (de->d_name[1] == '\0' || | |
| (de->d_name[1] == '.' && de->d_name[2] == '\0'))) | |
| continue; | |
| strcpy(filename, de->d_name); | |
| openDevice(devname); | |
| } | |
| closedir(dir); | |
| return 0; | |
| } | |
| void EventHub::dump(String8& dump) { | |
| dump.append("Event Hub State:\n"); | |
| { // acquire lock | |
| AutoMutex _l(mLock); | |
| dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); | |
| dump.append(INDENT "Devices:\n"); | |
| for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { | |
| const Device* device = mDevices[i]; | |
| if (device) { | |
| if (mBuiltInKeyboardId == device->id) { | |
| dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", | |
| device->id, device->identifier.name.string()); | |
| } else { | |
| dump.appendFormat(INDENT2 "%d: %s\n", device->id, | |
| device->identifier.name.string()); | |
| } | |
| dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); | |
| dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); | |
| dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); | |
| dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); | |
| dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " | |
| "product=0x%04x, version=0x%04x\n", | |
| device->identifier.bus, device->identifier.vendor, | |
| device->identifier.product, device->identifier.version); | |
| dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", | |
| device->keyMap.keyLayoutFile.string()); | |
| dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", | |
| device->keyMap.keyCharacterMapFile.string()); | |
| dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", | |
| device->configurationFile.string()); | |
| } | |
| } | |
| } // release lock | |
| } | |
| }; // namespace android |