MtpDevice.cpp revision 98693f674125484de8873d969c209276a6dd604b
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" 18b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood 19b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpDebug.h" 20b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpDevice.h" 21b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpDeviceInfo.h" 22b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpObjectInfo.h" 23b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpProperty.h" 24b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpStorageInfo.h" 25b14e588bec4d5e39e61b020b5b575f2ce555d316Mike Lockwood#include "MtpStringBuffer.h" 260cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood#include "MtpUtils.h" 27a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <stdio.h> 295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <stdlib.h> 305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/types.h> 315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/ioctl.h> 325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <sys/stat.h> 335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <fcntl.h> 345ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <errno.h> 350cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood#include <endian.h> 365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood#include <usbhost/usbhost.h> 385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodnamespace android { 405ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 415ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDevice::MtpDevice(struct usb_device* device, int interface, 425ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood struct usb_endpoint *ep_in, struct usb_endpoint *ep_out, 435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood struct usb_endpoint *ep_intr) 445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood : mDevice(device), 455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mInterface(interface), 465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointIn(ep_in), 475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointOut(ep_out), 485ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mEndpointIntr(ep_intr), 495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo(NULL), 505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mID(usb_device_get_unique_id(device)), 515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID(0), 525ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID(0) 535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood{ 545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 555ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 565ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDevice::~MtpDevice() { 575ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood close(); 58a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood for (int i = 0; i < mDeviceProperties.size(); i++) 59a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood delete mDeviceProperties[i]; 605ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::initialize() { 635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood openSession(); 645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo = getDeviceInfo(); 655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDeviceInfo) { 665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo->print(); 67a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 68a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (mDeviceInfo->mDeviceProperties) { 69a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood int count = mDeviceInfo->mDeviceProperties->size(); 70a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood for (int i = 0; i < count; i++) { 71a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpDeviceProperty propCode = (*mDeviceInfo->mDeviceProperties)[i]; 72a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpProperty* property = getDevicePropDesc(propCode); 73a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (property) { 74a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood property->print(); 75a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mDeviceProperties.push(property); 76a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 77a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 78a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::close() { 835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) { 845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_release_interface(mDevice, mInterface); 855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_close(mDevice); 865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDevice = NULL; 875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 895ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodconst char* MtpDevice::getDeviceName() { 915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) 925ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return usb_device_get_name(mDevice); 935ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else 945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return "???"; 955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::openSession() { 980cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 990cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1005ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = 0; 1015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 0; 1025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpSessionID newSession = 1; 1035ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1045ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, newSession); 1055ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_OPEN_SESSION)) 1065ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1075ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1085ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_SESSION_ALREADY_OPEN) 1095ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood newSession = mResponse.getParameter(1); 1105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else if (ret != MTP_RESPONSE_OK) 1115ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1125ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1135ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = newSession; 1145ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 1; 1155ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1165ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1175ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1185ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::closeSession() { 1195ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood // FIXME 1205ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1235ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDeviceInfo* MtpDevice::getDeviceInfo() { 1240cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1250cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_INFO)) 1285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpDeviceInfo* info = new MtpDeviceInfo; 1345ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1355ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1405ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageIDList* MtpDevice::getStorageIDs() { 1410cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1420cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_IDS)) 1455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1485ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 1515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1525ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1555ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageInfo* MtpDevice::getStorageInfo(MtpStorageID storageID) { 1560cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1570cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1585ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1595ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 1605ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_INFO)) 1615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpStorageInfo* info = new MtpStorageInfo(storageID); 1675ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1685ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1695ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1705ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1715ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1725ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1735ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectHandleList* MtpDevice::getObjectHandles(MtpStorageID storageID, 1745ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectFormat format, MtpObjectHandle parent) { 1750cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1760cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1775ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 1795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(2, format); 1805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(3, parent); 1815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_HANDLES)) 1825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 1885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1895ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1925ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectInfo* MtpDevice::getObjectInfo(MtpObjectHandle handle) { 1930cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1940cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1956afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood // FIXME - we might want to add some caching here 1966afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 1975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, handle); 1995ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_INFO)) 2005ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 2025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2035ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 2045ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2055ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectInfo* info = new MtpObjectInfo(handle); 2065ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 2075ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 2085ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2095ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2115ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2123e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwoodvoid* MtpDevice::getThumbnail(MtpObjectHandle handle, int& outLength) { 2130cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2140cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2153e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.reset(); 2163e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.setParameter(1, handle); 2173e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (sendRequest(MTP_OPERATION_GET_THUMB) && readData()) { 2183e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood MtpResponseCode ret = readResponse(); 2193e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2203e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return mData.getData(outLength); 2213e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2223e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2233e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood outLength = 0; 2243e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return NULL; 2256afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 2266afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 2270cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike LockwoodMtpObjectHandle MtpDevice::sendObjectInfo(MtpObjectInfo* info) { 2280cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2290cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2300cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.reset(); 2310cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpObjectHandle parent = info->mParent; 2320cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (parent == 0) 2330cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood parent = MTP_PARENT_ROOT; 2340cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2350cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(1, info->mStorageID); 2360cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(2, info->mParent); 2370cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2380cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mStorageID); 2390cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mFormat); 2400cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mProtectionStatus); 2410cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mCompressedSize); 2420cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mThumbFormat); 2430cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbCompressedSize); 2440cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbPixWidth); 2450cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbPixHeight); 2460cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixWidth); 2470cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixHeight); 2480cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixDepth); 2490cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mParent); 2500cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mAssociationType); 2510cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mAssociationDesc); 2520cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mSequenceNumber); 2530cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(info->mName); 2540cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2550cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood char created[100], modified[100]; 2560cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood formatDateTime(info->mDateCreated, created, sizeof(created)); 2570cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood formatDateTime(info->mDateModified, modified, sizeof(modified)); 2580cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2590cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(created); 2600cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(modified); 2610cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (info->mKeywords) 2620cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(info->mKeywords); 2630cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood else 2640cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putEmptyString(); 2650cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2660cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (sendRequest(MTP_OPERATION_SEND_OBJECT_INFO) && sendData()) { 2670cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpResponseCode ret = readResponse(); 2680cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2690cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mStorageID = mResponse.getParameter(1); 2700cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mParent = mResponse.getParameter(2); 2710cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mHandle = mResponse.getParameter(3); 2720cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return info->mHandle; 2730cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 2740cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 2750cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (MtpObjectHandle)-1; 2760cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 2770cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2780cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::sendObject(MtpObjectInfo* info, int srcFD) { 2790cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2800cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2810cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int remaining = info->mCompressedSize; 2820cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.reset(); 2830cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(1, info->mHandle); 2840cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (sendRequest(MTP_OPERATION_SEND_OBJECT)) { 2850cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood // send data header 2860cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood writeDataHeader(MTP_OPERATION_SEND_OBJECT, remaining); 2870cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2880cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood char buffer[65536]; 2890cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood while (remaining > 0) { 2900cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int count = read(srcFD, buffer, sizeof(buffer)); 2910cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (count > 0) { 2920cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int written = mData.write(mEndpointOut, buffer, count); 2930cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood // FIXME check error 2940cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood remaining -= count; 2950cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } else { 2960cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood break; 2970cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 2980cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 2990cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3000cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpResponseCode ret = readResponse(); 3010cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (remaining == 0 && ret == MTP_RESPONSE_OK); 3020cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 3030cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3046afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwoodbool MtpDevice::deleteObject(MtpObjectHandle handle) { 3050cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 3060cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3076afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.reset(); 3086afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.setParameter(1, handle); 3096afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (sendRequest(MTP_OPERATION_DELETE_OBJECT)) { 3106afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpResponseCode ret = readResponse(); 3116afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (ret == MTP_RESPONSE_OK) 3126afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return true; 3136afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood } 3146afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return false; 3156afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 3166afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 3176afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getParent(MtpObjectHandle handle) { 3186afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 3196afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 3206afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mParent; 3216afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 3226afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 3236afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 3243e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 3256afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getStorageID(MtpObjectHandle handle) { 3266afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 3276afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 3286afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mStorageID; 3296afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 3306afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 3313e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood} 3323e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 33398693f674125484de8873d969c209276a6dd604bMike LockwoodMtpObjectPropertyList* MtpDevice::getObjectPropsSupported(MtpObjectFormat format) { 33498693f674125484de8873d969c209276a6dd604bMike Lockwood Mutex::Autolock autoLock(mMutex); 33598693f674125484de8873d969c209276a6dd604bMike Lockwood 33698693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.reset(); 33798693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.setParameter(1, format); 33898693f674125484de8873d969c209276a6dd604bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_PROPS_SUPPORTED)) 33998693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 34098693f674125484de8873d969c209276a6dd604bMike Lockwood if (!readData()) 34198693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 34298693f674125484de8873d969c209276a6dd604bMike Lockwood MtpResponseCode ret = readResponse(); 34398693f674125484de8873d969c209276a6dd604bMike Lockwood if (ret == MTP_RESPONSE_OK) { 34498693f674125484de8873d969c209276a6dd604bMike Lockwood return mData.getAUInt16(); 34598693f674125484de8873d969c209276a6dd604bMike Lockwood } 34698693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 34798693f674125484de8873d969c209276a6dd604bMike Lockwood 34898693f674125484de8873d969c209276a6dd604bMike Lockwood} 34998693f674125484de8873d969c209276a6dd604bMike Lockwood 350a6c490b8b2d96ebaab632286029463f932ae3b6bMike LockwoodMtpProperty* MtpDevice::getDevicePropDesc(MtpDeviceProperty code) { 3510cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 3520cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 353a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.reset(); 354a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.setParameter(1, code); 355a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_PROP_DESC)) 356a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 357a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!readData()) 358a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 359a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpResponseCode ret = readResponse(); 360a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (ret == MTP_RESPONSE_OK) { 361a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpProperty* property = new MtpProperty; 362e3e76c456baee122de6715ae280130abaddc906cMike Lockwood property->read(mData); 363a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return property; 364a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 365a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 366a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood} 367a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 36898693f674125484de8873d969c209276a6dd604bMike LockwoodMtpProperty* MtpDevice::getObjectPropDesc(MtpObjectProperty code) { 36998693f674125484de8873d969c209276a6dd604bMike Lockwood Mutex::Autolock autoLock(mMutex); 37098693f674125484de8873d969c209276a6dd604bMike Lockwood 37198693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.reset(); 37298693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.setParameter(1, code); 37398693f674125484de8873d969c209276a6dd604bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_PROP_DESC)) 37498693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 37598693f674125484de8873d969c209276a6dd604bMike Lockwood if (!readData()) 37698693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 37798693f674125484de8873d969c209276a6dd604bMike Lockwood MtpResponseCode ret = readResponse(); 37898693f674125484de8873d969c209276a6dd604bMike Lockwood if (ret == MTP_RESPONSE_OK) { 37998693f674125484de8873d969c209276a6dd604bMike Lockwood MtpProperty* property = new MtpProperty; 38098693f674125484de8873d969c209276a6dd604bMike Lockwood property->read(mData); 38198693f674125484de8873d969c209276a6dd604bMike Lockwood return property; 38298693f674125484de8873d969c209276a6dd604bMike Lockwood } 38398693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 38498693f674125484de8873d969c209276a6dd604bMike Lockwood} 38598693f674125484de8873d969c209276a6dd604bMike Lockwood 386b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood// reads the object's data and writes it to the specified file path 38727afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwoodbool MtpDevice::readObject(MtpObjectHandle handle, const char* destPath, int group, int perm) { 388b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGD("readObject: %s", destPath); 389b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int fd = ::open(destPath, O_RDWR | O_CREAT | O_TRUNC); 390b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (fd < 0) { 391b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("open failed for %s", destPath); 392b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood return false; 3930cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3940cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 39527afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood fchown(fd, getuid(), group); 39627afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood // set permissions 39727afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood int mask = umask(0); 39827afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood fchmod(fd, perm); 39927afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood umask(mask); 40027afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood 401b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood Mutex::Autolock autoLock(mMutex); 402b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood bool result = false; 4030cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 404b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mRequest.reset(); 405b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mRequest.setParameter(1, handle); 406b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (sendRequest(MTP_OPERATION_GET_OBJECT) 407b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood && mData.readDataHeader(mEndpointIn)) { 408b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood uint32_t length = mData.getContainerLength(); 409b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (length < MTP_CONTAINER_HEADER_SIZE) 410b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 411b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood length -= MTP_CONTAINER_HEADER_SIZE; 412b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood uint32_t remaining = length; 413b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 414b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int initialDataLength = 0; 415b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood void* initialData = mData.getData(initialDataLength); 416b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (initialData) { 417b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (initialDataLength > 0) { 418b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (write(fd, initialData, initialDataLength) != initialDataLength) 419b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 420b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood remaining -= initialDataLength; 4210cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 422b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood free(initialData); 4230cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 4240cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 425b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // USB reads greater than 16K don't work 426b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char buffer1[16384], buffer2[16384]; 427b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char* readBuffer = buffer1; 428b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char* writeBuffer = NULL; 429b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int writeLength = 0; 430b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 431b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood while (remaining > 0 || writeBuffer) { 432b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (remaining > 0) { 433b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // queue up a read request 434b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int readSize = (remaining > sizeof(buffer1) ? sizeof(buffer1) : remaining); 435b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (mData.readDataAsync(mEndpointIn, readBuffer, readSize)) { 436b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("readDataAsync failed"); 437b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 438b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 4390cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } else { 440b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood readBuffer = NULL; 4410cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 4420cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 443b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (writeBuffer) { 444b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // write previous buffer 445b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (write(fd, writeBuffer, writeLength) != writeLength) { 446b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("write failed"); 447b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // wait for pending read before failing 448b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (readBuffer) 449b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mData.readDataWait(mEndpointIn); 450b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 451b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 452b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeBuffer = NULL; 453b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 4540cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 455b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // wait for read to complete 456b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (readBuffer) { 457b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int read = mData.readDataWait(mEndpointIn); 458b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (read < 0) 459b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 4600cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 461b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeBuffer = readBuffer; 462b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeLength = read; 463b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood remaining -= read; 464b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood readBuffer = (readBuffer == buffer1 ? buffer2 : buffer1); 465b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 466b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 467b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 468b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood MtpResponseCode response = readResponse(); 469b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (response == MTP_RESPONSE_OK) 470b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood result = true; 4710cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 472b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 473b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwoodfail: 474b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood ::close(fd); 475b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood return result; 4760cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 477a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 4785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::sendRequest(MtpOperationCode operation) { 479f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("sendRequest: %s\n", MtpDebug::getOperationCodeName(operation)); 4805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setOperationCode(operation); 4815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mTransactionID > 0) 4825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setTransactionID(mTransactionID++); 4835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mRequest.write(mEndpointOut); 4845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.dump(); 4855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 4865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 4875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 4880cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::sendData() { 489f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("sendData\n"); 4905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setOperationCode(mRequest.getOperationCode()); 4915ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setTransactionID(mRequest.getTransactionID()); 4925ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.write(mEndpointOut); 4935ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 4945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 4955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 4965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 4975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::readData() { 4985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.reset(); 4995ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.read(mEndpointIn); 500f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readData returned %d\n", ret); 5015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 5025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 5035ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 5045ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5055ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else { 506f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readResponse failed\n"); 5075ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 5085ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5095ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5110cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::writeDataHeader(MtpOperationCode operation, int dataLength) { 5120cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.setOperationCode(operation); 5130cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.setTransactionID(mRequest.getTransactionID()); 5140cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (!mData.writeDataHeader(mEndpointOut, dataLength)); 5150cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 5160cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 5175ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpResponseCode MtpDevice::readResponse() { 518f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readResponse\n"); 5195ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mResponse.read(mEndpointIn); 5205ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 5215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mResponse.dump(); 5225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mResponse.getResponseCode(); 5235ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5245ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else { 525a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readResponse failed\n"); 5265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return -1; 5275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} // namespace android 531