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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 "MtpDeviceInfo"
     18 
     19 #include "MtpDebug.h"
     20 #include "MtpDataPacket.h"
     21 #include "MtpDeviceInfo.h"
     22 #include "MtpStringBuffer.h"
     23 
     24 namespace android {
     25 
     26 MtpDeviceInfo::MtpDeviceInfo()
     27     :   mStandardVersion(0),
     28         mVendorExtensionID(0),
     29         mVendorExtensionVersion(0),
     30         mVendorExtensionDesc(NULL),
     31         mFunctionalMode(0),
     32         mOperations(NULL),
     33         mEvents(NULL),
     34         mDeviceProperties(NULL),
     35         mCaptureFormats(NULL),
     36         mPlaybackFormats(NULL),
     37         mManufacturer(NULL),
     38         mModel(NULL),
     39         mVersion(NULL),
     40         mSerial(NULL)
     41 {
     42 }
     43 
     44 MtpDeviceInfo::~MtpDeviceInfo() {
     45     if (mVendorExtensionDesc)
     46         free(mVendorExtensionDesc);
     47     delete mOperations;
     48     delete mEvents;
     49     delete mDeviceProperties;
     50     delete mCaptureFormats;
     51     delete mPlaybackFormats;
     52     if (mManufacturer)
     53         free(mManufacturer);
     54     if (mModel)
     55         free(mModel);
     56     if (mVersion)
     57         free(mVersion);
     58     if (mSerial)
     59         free(mSerial);
     60 }
     61 
     62 bool MtpDeviceInfo::read(MtpDataPacket& packet) {
     63     MtpStringBuffer string;
     64 
     65     // read the device info
     66     if (!packet.getUInt16(mStandardVersion)) return false;
     67     if (!packet.getUInt32(mVendorExtensionID)) return false;
     68     if (!packet.getUInt16(mVendorExtensionVersion)) return false;
     69 
     70     if (!packet.getString(string)) return false;
     71     mVendorExtensionDesc = strdup((const char *)string);
     72     if (!mVendorExtensionDesc) return false;
     73 
     74     if (!packet.getUInt16(mFunctionalMode)) return false;
     75     mOperations = packet.getAUInt16();
     76     if (!mOperations) return false;
     77     mEvents = packet.getAUInt16();
     78     if (!mEvents) return false;
     79     mDeviceProperties = packet.getAUInt16();
     80     if (!mDeviceProperties) return false;
     81     mCaptureFormats = packet.getAUInt16();
     82     if (!mCaptureFormats) return false;
     83     mPlaybackFormats = packet.getAUInt16();
     84     if (!mCaptureFormats) return false;
     85 
     86     if (!packet.getString(string)) return false;
     87     mManufacturer = strdup((const char *)string);
     88     if (!mManufacturer) return false;
     89     if (!packet.getString(string)) return false;
     90     mModel = strdup((const char *)string);
     91     if (!mModel) return false;
     92     if (!packet.getString(string)) return false;
     93     mVersion = strdup((const char *)string);
     94     if (!mVersion) return false;
     95     if (!packet.getString(string)) return false;
     96     mSerial = strdup((const char *)string);
     97     if (!mSerial) return false;
     98 
     99     return true;
    100 }
    101 
    102 void MtpDeviceInfo::print() {
    103     ALOGV("Device Info:\n\tmStandardVersion: %d\n\tmVendorExtensionID: %d\n\tmVendorExtensionVersiony: %d\n",
    104             mStandardVersion, mVendorExtensionID, mVendorExtensionVersion);
    105     ALOGV("\tmVendorExtensionDesc: %s\n\tmFunctionalMode: %d\n\tmManufacturer: %s\n\tmModel: %s\n\tmVersion: %s\n\tmSerial: %s\n",
    106             mVendorExtensionDesc, mFunctionalMode, mManufacturer, mModel, mVersion, mSerial);
    107 }
    108 
    109 }  // namespace android
    110