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82 lines
2.1 KiB
82 lines
2.1 KiB
/* |
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* Copyright (C) 2010 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#define LOG_TAG "MtpStorage" |
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#include "MtpDebug.h" |
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#include "MtpStorage.h" |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/statfs.h> |
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#include <unistd.h> |
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#include <dirent.h> |
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#include <errno.h> |
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#include <string.h> |
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#include <stdio.h> |
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#include <limits.h> |
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namespace android { |
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MtpStorage::MtpStorage(MtpStorageID id, const char* filePath, |
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const char* description, bool removable, uint64_t maxFileSize) |
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: mStorageID(id), |
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mFilePath(filePath), |
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mDescription(description), |
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mMaxCapacity(0), |
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mMaxFileSize(maxFileSize), |
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mRemovable(removable) |
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{ |
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ALOGV("MtpStorage id: %d path: %s\n", id, filePath); |
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} |
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MtpStorage::~MtpStorage() { |
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} |
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int MtpStorage::getType() const { |
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return (mRemovable ? MTP_STORAGE_REMOVABLE_RAM : MTP_STORAGE_FIXED_RAM); |
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} |
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int MtpStorage::getFileSystemType() const { |
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return MTP_STORAGE_FILESYSTEM_HIERARCHICAL; |
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} |
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int MtpStorage::getAccessCapability() const { |
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return MTP_STORAGE_READ_WRITE; |
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} |
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uint64_t MtpStorage::getMaxCapacity() { |
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if (mMaxCapacity == 0) { |
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struct statfs stat; |
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if (statfs(getPath(), &stat)) |
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return -1; |
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mMaxCapacity = (uint64_t)stat.f_blocks * (uint64_t)stat.f_bsize; |
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} |
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return mMaxCapacity; |
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} |
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uint64_t MtpStorage::getFreeSpace() { |
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struct statfs stat; |
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if (statfs(getPath(), &stat)) |
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return -1; |
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return (uint64_t)stat.f_bavail * (uint64_t)stat.f_bsize; |
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} |
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const char* MtpStorage::getDescription() const { |
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return (const char *)mDescription; |
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} |
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} // namespace android
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