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Diffstat (limited to 'libs/ui/EventHub.cpp')
| -rw-r--r-- | libs/ui/EventHub.cpp | 793 |
1 files changed, 0 insertions, 793 deletions
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp deleted file mode 100644 index 3b29b09..0000000 --- a/libs/ui/EventHub.cpp +++ /dev/null @@ -1,793 +0,0 @@ -// -// Copyright 2005 The Android Open Source Project -// -// 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 <ui/EventHub.h> -#include <hardware_legacy/power.h> - -#include <cutils/properties.h> -#include <utils/IServiceManager.h> -#include <utils/Log.h> -#include <utils/Timers.h> -#include <utils.h> - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <memory.h> -#include <errno.h> -#include <assert.h> - -#include "KeyLayoutMap.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))) - -#define ID_MASK 0x0000ffff -#define SEQ_MASK 0x7fff0000 -#define SEQ_SHIFT 16 -#define id_to_index(id) ((id&ID_MASK)+1) - -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; -} - -EventHub::device_t::device_t(int32_t _id, const char* _path) - : id(_id), path(_path), classes(0) - , keyBitmask(NULL), layoutMap(new KeyLayoutMap()), next(NULL) { -} - -EventHub::device_t::~device_t() { - delete [] keyBitmask; - delete layoutMap; -} - -EventHub::EventHub(void) - : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(0) - , mDevicesById(0), mNumDevicesById(0) - , mOpeningDevices(0), mClosingDevices(0) - , mDevices(0), mFDs(0), mFDCount(0) -{ - acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); -#ifdef EV_SW - memset(mSwitches, 0, sizeof(mSwitches)); -#endif -} - -/* - * Clean up. - */ -EventHub::~EventHub(void) -{ - release_wake_lock(WAKE_LOCK_ID); - // we should free stuff here... -} - -void EventHub::onFirstRef() -{ - mError = openPlatformInput() ? NO_ERROR : UNKNOWN_ERROR; -} - -status_t EventHub::errorCheck() const -{ - return mError; -} - -String8 EventHub::getDeviceName(int32_t deviceId) const -{ - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL) return String8(); - return device->name; -} - -uint32_t EventHub::getDeviceClasses(int32_t deviceId) const -{ - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL) return 0; - return device->classes; -} - -int EventHub::getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue, - int* outMaxValue, int* outFlat, int* outFuzz) const -{ - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL) return -1; - - struct input_absinfo info; - - if(ioctl(mFDs[id_to_index(device->id)].fd, EVIOCGABS(axis), &info)) { - LOGE("Error reading absolute controller %d for device %s fd %d\n", - axis, device->name.string(), mFDs[id_to_index(device->id)].fd); - return -1; - } - *outMinValue = info.minimum; - *outMaxValue = info.maximum; - *outFlat = info.flat; - *outFuzz = info.fuzz; - return 0; -} - -int EventHub::getSwitchState(int sw) const -{ -#ifdef EV_SW - if (sw >= 0 && sw <= SW_MAX) { - int32_t devid = mSwitches[sw]; - if (devid != 0) { - return getSwitchState(devid, sw); - } - } -#endif - return -1; -} - -int EventHub::getSwitchState(int32_t deviceId, int sw) const -{ -#ifdef EV_SW - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL) return -1; - - if (sw >= 0 && sw <= SW_MAX) { - uint8_t sw_bitmask[(SW_MAX+1)/8]; - memset(sw_bitmask, 0, sizeof(sw_bitmask)); - if (ioctl(mFDs[id_to_index(device->id)].fd, - EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) { - return test_bit(sw, sw_bitmask) ? 1 : 0; - } - } -#endif - - return -1; -} - -int EventHub::getScancodeState(int code) const -{ - return getScancodeState(mFirstKeyboardId, code); -} - -int EventHub::getScancodeState(int32_t deviceId, int code) const -{ - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL) return -1; - - if (code >= 0 && code <= KEY_MAX) { - uint8_t key_bitmask[(KEY_MAX+1)/8]; - memset(key_bitmask, 0, sizeof(key_bitmask)); - if (ioctl(mFDs[id_to_index(device->id)].fd, - EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) { - return test_bit(code, key_bitmask) ? 1 : 0; - } - } - - return -1; -} - -int EventHub::getKeycodeState(int code) const -{ - return getKeycodeState(mFirstKeyboardId, code); -} - -int EventHub::getKeycodeState(int32_t deviceId, int code) const -{ - AutoMutex _l(mLock); - device_t* device = getDevice(deviceId); - if (device == NULL || device->layoutMap == NULL) return -1; - - Vector<int32_t> scanCodes; - device->layoutMap->findScancodes(code, &scanCodes); - - uint8_t key_bitmask[(KEY_MAX+1)/8]; - memset(key_bitmask, 0, sizeof(key_bitmask)); - if (ioctl(mFDs[id_to_index(device->id)].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 1; - } - } - } - - return 0; -} - -EventHub::device_t* EventHub::getDevice(int32_t deviceId) const -{ - if (deviceId == 0) deviceId = mFirstKeyboardId; - int32_t id = deviceId & ID_MASK; - if (id >= mNumDevicesById || id < 0) return NULL; - device_t* dev = mDevicesById[id].device; - if (dev->id == deviceId) { - return dev; - } - return NULL; -} - -bool EventHub::getEvent(int32_t* outDeviceId, int32_t* outType, - int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags, - int32_t* outValue, nsecs_t* outWhen) -{ - *outDeviceId = 0; - *outType = 0; - *outScancode = 0; - *outKeycode = 0; - *outFlags = 0; - *outValue = 0; - *outWhen = 0; - - status_t err; - - fd_set readfds; - int maxFd = -1; - int cc; - int i; - int res; - int pollres; - struct input_event iev; - - // Note that we only allow one caller to getEvent(), so don't need - // to do locking here... only when adding/removing devices. - - while(1) { - - // First, report any devices that had last been added/removed. - if (mClosingDevices != NULL) { - device_t* device = mClosingDevices; - LOGV("Reporting device closed: id=0x%x, name=%s\n", - device->id, device->path.string()); - mClosingDevices = device->next; - *outDeviceId = device->id; - if (*outDeviceId == mFirstKeyboardId) *outDeviceId = 0; - *outType = DEVICE_REMOVED; - delete device; - return true; - } - if (mOpeningDevices != NULL) { - device_t* device = mOpeningDevices; - LOGV("Reporting device opened: id=0x%x, name=%s\n", - device->id, device->path.string()); - mOpeningDevices = device->next; - *outDeviceId = device->id; - if (*outDeviceId == mFirstKeyboardId) *outDeviceId = 0; - *outType = DEVICE_ADDED; - return true; - } - - release_wake_lock(WAKE_LOCK_ID); - - pollres = poll(mFDs, mFDCount, -1); - - acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); - - if (pollres <= 0) { - if (errno != EINTR) { - LOGW("select failed (errno=%d)\n", errno); - usleep(100000); - } - continue; - } - - //printf("poll %d, returned %d\n", mFDCount, pollres); - - // mFDs[0] is used for inotify, so process regular events starting at mFDs[1] - for(i = 1; i < mFDCount; i++) { - if(mFDs[i].revents) { - LOGV("revents for %d = 0x%08x", i, mFDs[i].revents); - if(mFDs[i].revents & POLLIN) { - res = read(mFDs[i].fd, &iev, sizeof(iev)); - if (res == sizeof(iev)) { - LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", - mDevices[i]->path.string(), - (int) iev.time.tv_sec, (int) iev.time.tv_usec, - iev.type, iev.code, iev.value); - *outDeviceId = mDevices[i]->id; - if (*outDeviceId == mFirstKeyboardId) *outDeviceId = 0; - *outType = iev.type; - *outScancode = iev.code; - if (iev.type == EV_KEY) { - err = mDevices[i]->layoutMap->map(iev.code, outKeycode, outFlags); - LOGV("iev.code=%d outKeycode=%d outFlags=0x%08x err=%d\n", - iev.code, *outKeycode, *outFlags, err); - if (err != 0) { - *outKeycode = 0; - *outFlags = 0; - } - } else { - *outKeycode = iev.code; - } - *outValue = iev.value; - *outWhen = s2ns(iev.time.tv_sec) + us2ns(iev.time.tv_usec); - return true; - } else { - if (res<0) { - LOGW("could not get event (errno=%d)", errno); - } else { - LOGE("could not get event (wrong size: %d)", res); - } - continue; - } - } - } - } - - // read_notify() will modify mFDs and mFDCount, so this must be done after - // processing all other events. - if(mFDs[0].revents & POLLIN) { - read_notify(mFDs[0].fd); - } - } -} - -/* - * Open the platform-specific input device. - */ -bool EventHub::openPlatformInput(void) -{ - /* - * Open platform-specific input device(s). - */ - int res; - - mFDCount = 1; - mFDs = (pollfd *)calloc(1, sizeof(mFDs[0])); - mDevices = (device_t **)calloc(1, sizeof(mDevices[0])); - mFDs[0].events = POLLIN; - mDevices[0] = NULL; -#ifdef HAVE_INOTIFY - mFDs[0].fd = inotify_init(); - res = inotify_add_watch(mFDs[0].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. - */ - mFDs[0].fd = -1; -#endif - - res = scan_dir(device_path); - if(res < 0) { - LOGE("scan dir failed for %s\n", device_path); - //open_device("/dev/input/event0"); - } - - return true; -} - -/* - * Inspect the known devices to determine whether physical keys exist for the given - * framework-domain key codes. - */ -bool EventHub::hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags) { - for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { - outFlags[codeIndex] = 0; - - // check each available hardware device for support for this keycode - Vector<int32_t> scanCodes; - for (int n = 0; (n < mFDCount) && (outFlags[codeIndex] == 0); n++) { - if (mDevices[n]) { - status_t err = mDevices[n]->layoutMap->findScancodes(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], mDevices[n]->keyBitmask)) { - outFlags[codeIndex] = 1; - break; - } - } - } - } - } - } - - return true; -} - -// ---------------------------------------------------------------------------- - -int EventHub::open_device(const char *deviceName) -{ - int version; - int fd; - struct pollfd *new_mFDs; - device_t **new_devices; - char **new_device_names; - char name[80]; - char location[80]; - char idstr[80]; - struct input_id id; - - LOGV("Opening device: %s", deviceName); - - AutoMutex _l(mLock); - - fd = open(deviceName, O_RDWR); - if(fd < 0) { - LOGE("could not open %s, %s\n", deviceName, strerror(errno)); - return -1; - } - - if(ioctl(fd, EVIOCGVERSION, &version)) { - LOGE("could not get driver version for %s, %s\n", deviceName, strerror(errno)); - return -1; - } - if(ioctl(fd, EVIOCGID, &id)) { - LOGE("could not get driver id for %s, %s\n", deviceName, strerror(errno)); - return -1; - } - name[sizeof(name) - 1] = '\0'; - location[sizeof(location) - 1] = '\0'; - idstr[sizeof(idstr) - 1] = '\0'; - if(ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) { - //fprintf(stderr, "could not get device name for %s, %s\n", deviceName, strerror(errno)); - name[0] = '\0'; - } - if(ioctl(fd, EVIOCGPHYS(sizeof(location) - 1), &location) < 1) { - //fprintf(stderr, "could not get location for %s, %s\n", deviceName, strerror(errno)); - location[0] = '\0'; - } - if(ioctl(fd, EVIOCGUNIQ(sizeof(idstr) - 1), &idstr) < 1) { - //fprintf(stderr, "could not get idstring for %s, %s\n", deviceName, strerror(errno)); - idstr[0] = '\0'; - } - - int devid = 0; - while (devid < mNumDevicesById) { - if (mDevicesById[devid].device == NULL) { - break; - } - devid++; - } - if (devid >= mNumDevicesById) { - device_ent* new_devids = (device_ent*)realloc(mDevicesById, - sizeof(mDevicesById[0]) * (devid + 1)); - if (new_devids == NULL) { - LOGE("out of memory"); - return -1; - } - mDevicesById = new_devids; - mNumDevicesById = devid+1; - mDevicesById[devid].device = NULL; - mDevicesById[devid].seq = 0; - } - - mDevicesById[devid].seq = (mDevicesById[devid].seq+(1<<SEQ_SHIFT))&SEQ_MASK; - if (mDevicesById[devid].seq == 0) { - mDevicesById[devid].seq = 1<<SEQ_SHIFT; - } - - new_mFDs = (pollfd*)realloc(mFDs, sizeof(mFDs[0]) * (mFDCount + 1)); - new_devices = (device_t**)realloc(mDevices, sizeof(mDevices[0]) * (mFDCount + 1)); - if (new_mFDs == NULL || new_devices == NULL) { - LOGE("out of memory"); - return -1; - } - mFDs = new_mFDs; - mDevices = new_devices; - -#if 0 - LOGI("add device %d: %s\n", mFDCount, deviceName); - LOGI(" bus: %04x\n" - " vendor %04x\n" - " product %04x\n" - " version %04x\n", - id.bustype, id.vendor, id.product, id.version); - LOGI(" name: \"%s\"\n", name); - LOGI(" location: \"%s\"\n" - " id: \"%s\"\n", location, idstr); - LOGI(" version: %d.%d.%d\n", - version >> 16, (version >> 8) & 0xff, version & 0xff); -#endif - - device_t* device = new device_t(devid|mDevicesById[devid].seq, deviceName); - if (device == NULL) { - LOGE("out of memory"); - return -1; - } - - mFDs[mFDCount].fd = fd; - mFDs[mFDCount].events = POLLIN; - - // figure out the kinds of events the device reports - uint8_t key_bitmask[(KEY_MAX+1)/8]; - memset(key_bitmask, 0, sizeof(key_bitmask)); - LOGV("Getting keys..."); - if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) { - //LOGI("MAP\n"); - //for (int i=0; i<((KEY_MAX+1)/8); i++) { - // LOGI("%d: 0x%02x\n", i, key_bitmask[i]); - //} - for (int i=0; i<((BTN_MISC+7)/8); i++) { - if (key_bitmask[i] != 0) { - device->classes |= CLASS_KEYBOARD; - // 'Q' key support = cheap test of whether this is an alpha-capable kbd - if (test_bit(KEY_Q, key_bitmask)) { - device->classes |= CLASS_ALPHAKEY; - } - break; - } - } - if ((device->classes & CLASS_KEYBOARD) != 0) { - device->keyBitmask = new uint8_t[(KEY_MAX+1)/8]; - if (device->keyBitmask != NULL) { - memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask)); - } else { - delete device; - LOGE("out of memory allocating key bitmask"); - return -1; - } - } - } - if (test_bit(BTN_MOUSE, key_bitmask)) { - uint8_t rel_bitmask[(REL_MAX+1)/8]; - memset(rel_bitmask, 0, sizeof(rel_bitmask)); - LOGV("Getting relative controllers..."); - if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) - { - if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) { - device->classes |= CLASS_TRACKBALL; - } - } - } - if (test_bit(BTN_TOUCH, key_bitmask)) { - uint8_t abs_bitmask[(ABS_MAX+1)/8]; - memset(abs_bitmask, 0, sizeof(abs_bitmask)); - LOGV("Getting absolute controllers..."); - if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) - { - if (test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) { - device->classes |= CLASS_TOUCHSCREEN; - } - } - } - -#ifdef EV_SW - // figure out the switches this device reports - uint8_t sw_bitmask[(SW_MAX+1)/8]; - memset(sw_bitmask, 0, sizeof(sw_bitmask)); - if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) { - for (int i=0; i<EV_SW; i++) { - //LOGI("Device 0x%x sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask)); - if (test_bit(i, sw_bitmask)) { - if (mSwitches[i] == 0) { - mSwitches[i] = device->id; - } - } - } - } -#endif - - LOGI("New device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x\n", - deviceName, name, device->id, mNumDevicesById, mFDCount, fd, device->classes); - - if ((device->classes&CLASS_KEYBOARD) != 0) { - char devname[101]; - char tmpfn[101]; - char keylayoutFilename[300]; - - // a more descriptive name - ioctl(mFDs[mFDCount].fd, EVIOCGNAME(sizeof(devname)-1), devname); - devname[sizeof(devname)-1] = 0; - device->name = devname; - - // replace all the spaces with underscores - strcpy(tmpfn, devname); - for (char *p = strchr(tmpfn, ' '); p && *p; p = strchr(tmpfn, ' ')) - *p = '_'; - - // find the .kl file we need for this device - const char* root = getenv("ANDROID_ROOT"); - snprintf(keylayoutFilename, sizeof(keylayoutFilename), - "%s/usr/keylayout/%s.kl", root, tmpfn); - bool defaultKeymap = false; - if (access(keylayoutFilename, R_OK)) { - snprintf(keylayoutFilename, sizeof(keylayoutFilename), - "%s/usr/keylayout/%s", root, "qwerty.kl"); - defaultKeymap = true; - } - device->layoutMap->load(keylayoutFilename); - - // tell the world about the devname (the descriptive name) - int32_t publicID; - if (!mHaveFirstKeyboard && !defaultKeymap) { - publicID = 0; - // the built-in keyboard has a well-known device ID of 0, - // this device better not go away. - mHaveFirstKeyboard = true; - mFirstKeyboardId = device->id; - } else { - publicID = device->id; - // ensure mFirstKeyboardId is set to -something-. - if (mFirstKeyboardId == 0) { - mFirstKeyboardId = device->id; - } - } - char propName[100]; - sprintf(propName, "hw.keyboards.%u.devname", publicID); - property_set(propName, devname); - - LOGI("New keyboard: publicID=%d device->id=%d devname='%s' propName='%s' keylayout='%s'\n", - publicID, device->id, devname, propName, keylayoutFilename); - } - - LOGV("Adding device %s %p at %d, id = %d, classes = 0x%x\n", - deviceName, device, mFDCount, devid, device->classes); - - mDevicesById[devid].device = device; - device->next = mOpeningDevices; - mOpeningDevices = device; - mDevices[mFDCount] = device; - - mFDCount++; - return 0; -} - -int EventHub::close_device(const char *deviceName) -{ - AutoMutex _l(mLock); - - int i; - for(i = 1; i < mFDCount; i++) { - if(strcmp(mDevices[i]->path.string(), deviceName) == 0) { - //LOGD("remove device %d: %s\n", i, deviceName); - device_t* device = mDevices[i]; - int count = mFDCount - i - 1; - int index = (device->id&ID_MASK); - mDevicesById[index].device = NULL; - memmove(mDevices + i, mDevices + i + 1, sizeof(mDevices[0]) * count); - memmove(mFDs + i, mFDs + i + 1, sizeof(mFDs[0]) * count); - -#ifdef EV_SW - for (int j=0; j<EV_SW; j++) { - if (mSwitches[j] == device->id) { - mSwitches[j] = 0; - } - } -#endif - - device->next = mClosingDevices; - mClosingDevices = device; - - mFDCount--; - - uint32_t publicID; - if (device->id == mFirstKeyboardId) { - LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", - device->path.string(), mFirstKeyboardId); - mFirstKeyboardId = 0; - publicID = 0; - } else { - publicID = device->id; - } - // clear the property - char propName[100]; - sprintf(propName, "hw.keyboards.%u.devname", publicID); - property_set(propName, NULL); - return 0; - } - } - LOGE("remote device: %s not found\n", deviceName); - return -1; -} - -int EventHub::read_notify(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; - - 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) { - open_device(devname); - } - else { - close_device(devname); - } - } - event_size = sizeof(*event) + event->len; - res -= event_size; - event_pos += event_size; - } -#endif - return 0; -} - - -int EventHub::scan_dir(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); - open_device(devname); - } - closedir(dir); - return 0; -} - -}; // namespace android |