MtpDevice.cpp revision 6afc41d095ccb159f6c4705bed903b6c048b922a
15ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood/* 25ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * Copyright (C) 2010 The Android Open Source Project 35ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * 45ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * Licensed under the Apache License, Version 2.0 (the "License"); 55ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * you may not use this file except in compliance with the License. 65ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * You may obtain a copy of the License at 75ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * 85ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * http://www.apache.org/licenses/LICENSE-2.0 95ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * 105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * Unless required by applicable law or agreed to in writing, software 115ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * distributed under the License is distributed on an "AS IS" BASIS, 125ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * See the License for the specific language governing permissions and 145ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood * limitations under the License. 155ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood */ 165ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 17a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood#define LOG_TAG "MtpDevice" 18a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood#include "utils/Log.h" 19a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 205ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <stdio.h> 215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <stdlib.h> 225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/types.h> 235ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/ioctl.h> 245ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/stat.h> 255ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <fcntl.h> 265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <errno.h> 275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <usbhost/usbhost.h> 295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpDevice.h" 315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpDebug.h" 325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpDeviceInfo.h" 335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpObjectInfo.h" 34a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood#include "MtpProperty.h" 355ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpStorageInfo.h" 365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include "MtpStringBuffer.h" 375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodnamespace android { 395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 405ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDevice::MtpDevice(struct usb_device* device, int interface, 415ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood struct usb_endpoint *ep_in, struct usb_endpoint *ep_out, 425ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood struct usb_endpoint *ep_intr) 435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood : mDevice(device), 445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mInterface(interface), 455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointIn(ep_in), 465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointOut(ep_out), 475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointIntr(ep_intr), 485ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo(NULL), 495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mID(usb_device_get_unique_id(device)), 505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID(0), 515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID(0) 525ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood{ 535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 555ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDevice::~MtpDevice() { 565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood close(); 57a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood for (int i = 0; i < mDeviceProperties.size(); i++) 58a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood delete mDeviceProperties[i]; 595ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 605ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::initialize() { 625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood openSession(); 635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo = getDeviceInfo(); 645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDeviceInfo) { 655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo->print(); 66a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 67a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (mDeviceInfo->mDeviceProperties) { 68a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood int count = mDeviceInfo->mDeviceProperties->size(); 69a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood for (int i = 0; i < count; i++) { 70a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpDeviceProperty propCode = (*mDeviceInfo->mDeviceProperties)[i]; 71a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpProperty* property = getDevicePropDesc(propCode); 72a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (property) { 73a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood property->print(); 74a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mDeviceProperties.push(property); 75a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 76a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 77a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::close() { 825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) { 835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_release_interface(mDevice, mInterface); 845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_close(mDevice); 855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDevice = NULL; 865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 895ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodconst char* MtpDevice::getDeviceName() { 905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) 915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return usb_device_get_name(mDevice); 925ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else 935ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return "???"; 945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::openSession() { 975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = 0; 985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 0; 995ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpSessionID newSession = 1; 1005ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, newSession); 1025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_OPEN_SESSION)) 1035ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1045ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1055ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_SESSION_ALREADY_OPEN) 1065ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood newSession = mResponse.getParameter(1); 1075ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else if (ret != MTP_RESPONSE_OK) 1085ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1095ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = newSession; 1115ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 1; 1125ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1135ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1145ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1155ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::closeSession() { 1165ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood // FIXME 1175ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1185ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1195ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1205ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDeviceInfo* MtpDevice::getDeviceInfo() { 1215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_INFO)) 1235ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1245ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1255ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpDeviceInfo* info = new MtpDeviceInfo; 1295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1345ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1355ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageIDList* MtpDevice::getStorageIDs() { 1365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_IDS)) 1385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1405ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1415ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1425ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 1445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1485ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageInfo* MtpDevice::getStorageInfo(MtpStorageID storageID) { 1495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 1515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_INFO)) 1525ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1555ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1575ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpStorageInfo* info = new MtpStorageInfo(storageID); 1585ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1595ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1605ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1645ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectHandleList* MtpDevice::getObjectHandles(MtpStorageID storageID, 1655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectFormat format, MtpObjectHandle parent) { 1665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1675ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 1685ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(2, format); 1695ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(3, parent); 1705ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_HANDLES)) 1715ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1725ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1735ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1745ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1755ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1765ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 1775ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1815ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectInfo* MtpDevice::getObjectInfo(MtpObjectHandle handle) { 1826afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood // FIXME - we might want to add some caching here 1836afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 1845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, handle); 1865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_INFO)) 1875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1895ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1925ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectInfo* info = new MtpObjectInfo(handle); 1935ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1993e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwoodvoid* MtpDevice::getThumbnail(MtpObjectHandle handle, int& outLength) { 2003e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.reset(); 2013e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.setParameter(1, handle); 2023e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (sendRequest(MTP_OPERATION_GET_THUMB) && readData()) { 2033e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood MtpResponseCode ret = readResponse(); 2043e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2053e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return mData.getData(outLength); 2063e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2073e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2083e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood outLength = 0; 2093e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return NULL; 2106afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 2116afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 2126afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwoodbool MtpDevice::deleteObject(MtpObjectHandle handle) { 2136afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.reset(); 2146afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.setParameter(1, handle); 2156afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (sendRequest(MTP_OPERATION_DELETE_OBJECT)) { 2166afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpResponseCode ret = readResponse(); 2176afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (ret == MTP_RESPONSE_OK) 2186afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return true; 2196afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood } 2206afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return false; 2216afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 2226afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 2236afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getParent(MtpObjectHandle handle) { 2246afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 2256afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 2266afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mParent; 2276afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 2286afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 2296afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 2303e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 2316afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getStorageID(MtpObjectHandle handle) { 2326afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 2336afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 2346afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mStorageID; 2356afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 2366afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 2373e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood} 2383e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 239a6c490b8b2d96ebaab632286029463f932ae3b6bMike LockwoodMtpProperty* MtpDevice::getDevicePropDesc(MtpDeviceProperty code) { 240a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.reset(); 241a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.setParameter(1, code); 242a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_PROP_DESC)) 243a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 244a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!readData()) 245a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 246a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpResponseCode ret = readResponse(); 247a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (ret == MTP_RESPONSE_OK) { 248a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpProperty* property = new MtpProperty; 249a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood property->read(mData); 250a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return property; 251a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 252a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 253a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood} 254a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 255a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 2565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::sendRequest(MtpOperationCode operation) { 257a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("sendRequest: %s\n", MtpDebug::getOperationCodeName(operation)); 2585ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setOperationCode(operation); 2595ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mTransactionID > 0) 2605ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setTransactionID(mTransactionID++); 2615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mRequest.write(mEndpointOut); 2625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.dump(); 2635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 2645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::sendData(MtpOperationCode operation) { 267a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("sendData\n"); 2685ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setOperationCode(mRequest.getOperationCode()); 2695ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setTransactionID(mRequest.getTransactionID()); 2705ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.write(mEndpointOut); 2715ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 2725ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 2735ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2745ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2755ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::readData() { 2765ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.reset(); 2775ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.read(mEndpointIn); 278a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readData returned %d\n", ret); 2795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 2805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 2815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 2825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else { 284a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readResponse failed\n"); 2855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 2865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2895ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpResponseCode MtpDevice::readResponse() { 290a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readResponse\n"); 2915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mResponse.read(mEndpointIn); 2925ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 2935ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mResponse.dump(); 2945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mResponse.getResponseCode(); 2955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else { 297a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readResponse failed\n"); 2985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return -1; 2995ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 3005ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 3015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 3025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} // namespace android 303