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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "MtpStorageInfo"
     18 
     19 #include <inttypes.h>
     20 
     21 #include "MtpDebug.h"
     22 #include "MtpDataPacket.h"
     23 #include "MtpStorageInfo.h"
     24 #include "MtpStringBuffer.h"
     25 
     26 namespace android {
     27 
     28 MtpStorageInfo::MtpStorageInfo(MtpStorageID id)
     29     :   mStorageID(id),
     30         mStorageType(0),
     31         mFileSystemType(0),
     32         mAccessCapability(0),
     33         mMaxCapacity(0),
     34         mFreeSpaceBytes(0),
     35         mFreeSpaceObjects(0),
     36         mStorageDescription(NULL),
     37         mVolumeIdentifier(NULL)
     38 {
     39 }
     40 
     41 MtpStorageInfo::~MtpStorageInfo() {
     42     if (mStorageDescription)
     43         free(mStorageDescription);
     44     if (mVolumeIdentifier)
     45         free(mVolumeIdentifier);
     46 }
     47 
     48 bool MtpStorageInfo::read(MtpDataPacket& packet) {
     49     MtpStringBuffer string;
     50 
     51     // read the device info
     52     if (!packet.getUInt16(mStorageType)) return false;
     53     if (!packet.getUInt16(mFileSystemType)) return false;
     54     if (!packet.getUInt16(mAccessCapability)) return false;
     55     if (!packet.getUInt64(mMaxCapacity)) return false;
     56     if (!packet.getUInt64(mFreeSpaceBytes)) return false;
     57     if (!packet.getUInt32(mFreeSpaceObjects)) return false;
     58 
     59     if (!packet.getString(string)) return false;
     60     mStorageDescription = strdup((const char *)string);
     61     if (!mStorageDescription) return false;
     62     if (!packet.getString(string)) return false;
     63     mVolumeIdentifier = strdup((const char *)string);
     64     if (!mVolumeIdentifier) return false;
     65 
     66     return true;
     67 }
     68 
     69 void MtpStorageInfo::print() {
     70     ALOGD("Storage Info %08X:\n\tmStorageType: %d\n\tmFileSystemType: %d\n\tmAccessCapability: %d\n",
     71             mStorageID, mStorageType, mFileSystemType, mAccessCapability);
     72     ALOGD("\tmMaxCapacity: %" PRIu64 "\n\tmFreeSpaceBytes: %" PRIu64 "\n\tmFreeSpaceObjects: %d\n",
     73             mMaxCapacity, mFreeSpaceBytes, mFreeSpaceObjects);
     74     ALOGD("\tmStorageDescription: %s\n\tmVolumeIdentifier: %s\n",
     75             mStorageDescription, mVolumeIdentifier);
     76 }
     77 
     78 }  // namespace android
     79