MediaScanResult MediaScanner::processDirectory(
const char *path, MediaScannerClient &client) {
#ifndef ANDROID_DEFAULT_CODE
ALOGI("processDirectory: %s \n", path);
#endif
int pathLength = strlen(path);
if (pathLength >= PATH_MAX) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
char* pathBuffer = (char *)malloc(PATH_MAX + 1);
if (!pathBuffer) {
return MEDIA_SCAN_RESULT_ERROR;
}
int pathRemaining = PATH_MAX - pathLength;
strcpy(pathBuffer, path);
if (pathLength > 0 && pathBuffer[pathLength - 1] != '/') {
pathBuffer[pathLength] = '/';
pathBuffer[pathLength + 1] = 0;
--pathRemaining;
}
client.setLocale(locale());
MediaScanResult result = doProcessDirectory(pathBuffer, pathRemaining, client, false);
free(pathBuffer);
return result;
}
status_t MediaScanner::processDirectory(
const char *path, const char *extensions,
MediaScannerClient &client,
ExceptionCheck exceptionCheck, void *exceptionEnv) {
int pathLength = strlen(path);
if (pathLength >= PATH_MAX) {
return UNKNOWN_ERROR;
}
char* pathBuffer = (char *)malloc(PATH_MAX + 1);
if (!pathBuffer) {
return UNKNOWN_ERROR;
}
int pathRemaining = PATH_MAX - pathLength;
strcpy(pathBuffer, path);
if (pathLength > 0 && pathBuffer[pathLength - 1] != '/') {
pathBuffer[pathLength] = '/';
pathBuffer[pathLength + 1] = 0;
--pathRemaining;
}
client.setLocale(locale());
status_t result =
doProcessDirectory(
pathBuffer, pathRemaining, extensions, client,
exceptionCheck, exceptionEnv);
free(pathBuffer);
return result;
}
MediaScanResult MediaScanner::processDirectory(
const char *path, MediaScannerClient &client) {
#ifdef MTK_AOSP_ENHANCEMENT
ALOGI("processDirectory: %s \n", path);
#endif
int pathLength = strlen(path);
if (pathLength >= PATH_MAX) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
char* pathBuffer = (char *)malloc(PATH_MAX + 1);
if (!pathBuffer) {
return MEDIA_SCAN_RESULT_ERROR;
}
int pathRemaining = PATH_MAX - pathLength;
strcpy(pathBuffer, path);
if (pathLength > 0 && pathBuffer[pathLength - 1] != '/') {
pathBuffer[pathLength] = '/';
pathBuffer[pathLength + 1] = 0;
--pathRemaining;
}
client.setLocale(locale());
/// M: add for the new feature about the new thread pool on JB9.MP/KK/KK.AOSP branch
bool flag = false;
for (int i = pathLength - 1; i >= 1; i--) {
if ((pathBuffer[i] == '.') && (pathBuffer[i - 1] == '/')) {
ALOGW("Include nomeida folder.");
flag = true;
}
}
MediaScanResult result = doProcessDirectory(pathBuffer, pathRemaining, client, flag);
/// @}
free(pathBuffer);
return result;
}
MediaScanResult MediaScanner::doProcessDirectoryEntry(
char *path, int pathRemaining, MediaScannerClient &client, bool noMedia,
struct dirent* entry, char* fileSpot) {
struct stat statbuf;
const char* name = entry->d_name;
#ifndef ANDROID_DEFAULT_CODE
ALOGV("doProcessDirectoryEntry: %s \n", path);
#endif
// ignore "." and ".."
if (name[0] == '.' && (name[1] == 0 || (name[1] == '.' && name[2] == 0))) {
return MEDIA_SCAN_RESULT_SKIPPED;
}
int nameLength = strlen(name);
if (nameLength + 1 > pathRemaining) {
// path too long!
return MEDIA_SCAN_RESULT_SKIPPED;
}
strcpy(fileSpot, name);
int type = entry->d_type;
if (type == DT_UNKNOWN) {
// If the type is unknown, stat() the file instead.
// This is sometimes necessary when accessing NFS mounted filesystems, but
// could be needed in other cases well.
if (stat(path, &statbuf) == 0) {
if (S_ISREG(statbuf.st_mode)) {
type = DT_REG;
} else if (S_ISDIR(statbuf.st_mode)) {
type = DT_DIR;
}
} else {
ALOGD("stat() failed for %s: %s", path, strerror(errno) );
}
}
if (type == DT_DIR) {
bool childNoMedia = noMedia;
// set noMedia flag on directories with a name that starts with '.'
// for example, the Mac ".Trashes" directory
if (name[0] == '.')
childNoMedia = true;
// report the directory to the client
if (stat(path, &statbuf) == 0) {
status_t status = client.scanFile(path, statbuf.st_mtime, 0,
true /*isDirectory*/, childNoMedia);
if (status) {
return MEDIA_SCAN_RESULT_ERROR;
}
}
// and now process its contents
strcat(fileSpot, "/");
MediaScanResult result = doProcessDirectory(path, pathRemaining - nameLength - 1,
client, childNoMedia);
if (result == MEDIA_SCAN_RESULT_ERROR) {
return MEDIA_SCAN_RESULT_ERROR;
}
} else if (type == DT_REG) {
stat(path, &statbuf);
status_t status = client.scanFile(path, statbuf.st_mtime, statbuf.st_size,
false /*isDirectory*/, noMedia);
if (status) {
return MEDIA_SCAN_RESULT_ERROR;
}
}
return MEDIA_SCAN_RESULT_OK;
}
status_t MediaScanner::doProcessDirectory(
char *path, int pathRemaining, const char *extensions,
MediaScannerClient &client, ExceptionCheck exceptionCheck,
void *exceptionEnv) {
// place to copy file or directory name
char* fileSpot = path + strlen(path);
struct dirent* entry;
char* tempPathBuffer = NULL;
char* pathBuffer = NULL;
DIR* dir = NULL;
int pathLength = strlen(path);
if (pathLength >= PATH_MAX) {
goto failure;
}
pathBuffer = (char *)malloc(PATH_MAX + 1);
tempPathBuffer = (char *)malloc(PATH_MAX + 1);
if (!pathBuffer || !tempPathBuffer) {
goto failure;
}
strcpy(pathBuffer, path);
// ignore directories that contain a ".nomedia" file
if (pathRemaining >= 8 /* strlen(".nomedia") */ ) {
strcpy(fileSpot, ".nomedia");
if (access(path, F_OK) == 0) {
LOGD("found .nomedia, skipping directory\n");
fileSpot[0] = 0;
client.addNoMediaFolder(path);
goto success;
}
// restore path
fileSpot[0] = 0;
}
dir = opendir(path);
if (!dir) {
LOGD("opendir %s failed, errno: %d", path, errno);
goto failure;
}
while ((entry = readdir(dir))) {
const char* name = entry->d_name;
// ignore "." and ".."
if (name[0] == '.' && (name[1] == 0 || (name[1] == '.' && name[2] == 0))) {
continue;
}
int type = entry->d_type;
if (type == DT_UNKNOWN) {
// If the type is unknown, stat() the file instead.
// This is sometimes necessary when accessing NFS mounted filesystems, but
// could be needed in other cases well.
struct stat statbuf;
int tempPathLength = strlen(pathBuffer) + strlen(name);
if (tempPathLength >= PATH_MAX) {
goto failure;
}
strcpy(tempPathBuffer, pathBuffer);
strcat(tempPathBuffer, name);
if (stat(tempPathBuffer, &statbuf) == 0) {
if (S_ISREG(statbuf.st_mode)) {
type = DT_REG;
} else if (S_ISDIR(statbuf.st_mode)) {
type = DT_DIR;
}
} else {
LOGD("stat() failed for %s %s: %s", path, name, strerror(errno) );
}
}
if (type == DT_REG || type == DT_DIR) {
int nameLength = strlen(name);
bool isDirectory = (type == DT_DIR);
if (nameLength > pathRemaining || (isDirectory && nameLength + 1 > pathRemaining)) {
// path too long!
continue;
}
strcpy(fileSpot, name);
if (isDirectory) {
// ignore directories with a name that starts with '.'
// for example, the Mac ".Trashes" directory
if (name[0] == '.') continue;
strcat(fileSpot, "/");
int err = doProcessDirectory(path, pathRemaining - nameLength - 1, extensions, client, exceptionCheck, exceptionEnv);
if (err) {
// pass exceptions up - ignore other errors
if (exceptionCheck && exceptionCheck(exceptionEnv)) goto failure;
LOGE("Error processing '%s' - skipping\n", path);
continue;
}
} else if (fileMatchesExtension(path, extensions)) {
struct stat statbuf;
stat(path, &statbuf);
if (statbuf.st_size > 0) {
client.scanFile(path, statbuf.st_mtime, statbuf.st_size);
}
if (exceptionCheck && exceptionCheck(exceptionEnv)) goto failure;
}
}
}
closedir(dir);
success:
free(pathBuffer);
free(tempPathBuffer);
return OK;
failure:
free(pathBuffer);
free(tempPathBuffer);
closedir(dir);
return -1;
}
