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Diffstat (limited to 'media/mtp/MtpStorage.cpp')
-rw-r--r-- | media/mtp/MtpStorage.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/media/mtp/MtpStorage.cpp b/media/mtp/MtpStorage.cpp new file mode 100644 index 0000000..eccf186 --- /dev/null +++ b/media/mtp/MtpStorage.cpp @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2010 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 "MtpStorage" + +#include "MtpDebug.h" +#include "MtpDatabase.h" +#include "MtpStorage.h" + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/statfs.h> +#include <unistd.h> +#include <dirent.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <limits.h> + +namespace android { + +MtpStorage::MtpStorage(MtpStorageID id, const char* filePath, MtpDatabase* db) + : mStorageID(id), + mFilePath(filePath), + mDatabase(db), + mMaxCapacity(0) +{ + LOGD("MtpStorage id: %d path: %s\n", id, filePath); +} + +MtpStorage::~MtpStorage() { +} + +int MtpStorage::getType() const { + return MTP_STORAGE_FIXED_RAM; +} + +int MtpStorage::getFileSystemType() const { + return MTP_STORAGE_FILESYSTEM_HIERARCHICAL; +} + +int MtpStorage::getAccessCapability() const { + return MTP_STORAGE_READ_WRITE; +} + +uint64_t MtpStorage::getMaxCapacity() { + if (mMaxCapacity == 0) { + struct statfs stat; + if (statfs(mFilePath, &stat)) + return -1; + mMaxCapacity = (uint64_t)stat.f_blocks * (uint64_t)stat.f_bsize; + } + return mMaxCapacity; +} + +uint64_t MtpStorage::getFreeSpace() { + struct statfs stat; + if (statfs(mFilePath, &stat)) + return -1; + return (uint64_t)stat.f_bavail * (uint64_t)stat.f_bsize; +} + +const char* MtpStorage::getDescription() const { + return "Device Storage"; +} + +} // namespace android |