MtpDevice.cpp revision f7454622eaac287d20ab43013d7015fe42b894f8
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), 52f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mTransactionID(0), 53f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mReceivedResponse(false) 545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood{ 555ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 575ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDevice::~MtpDevice() { 585ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood close(); 59a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood for (int i = 0; i < mDeviceProperties.size(); i++) 60a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood delete mDeviceProperties[i]; 615ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::initialize() { 645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood openSession(); 655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDeviceInfo = getDeviceInfo(); 665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDeviceInfo) { 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); 720c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (property) 73a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mDeviceProperties.push(property); 74a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 75a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 765ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 775ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodvoid MtpDevice::close() { 805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) { 815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_release_interface(mDevice, mInterface); 825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood usb_device_close(mDevice); 835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mDevice = NULL; 845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 870c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwoodvoid MtpDevice::print() { 880c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (mDeviceInfo) { 890c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood mDeviceInfo->print(); 900c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood 910c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (mDeviceInfo->mDeviceProperties) { 920c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood LOGI("***** DEVICE PROPERTIES *****\n"); 930c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood int count = mDeviceInfo->mDeviceProperties->size(); 940c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood for (int i = 0; i < count; i++) { 950c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpDeviceProperty propCode = (*mDeviceInfo->mDeviceProperties)[i]; 960c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpProperty* property = getDevicePropDesc(propCode); 970c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (property) { 980c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood property->print(); 990c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1000c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1010c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1020c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1030c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood 1040c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (mDeviceInfo->mPlaybackFormats) { 1050c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood LOGI("***** OBJECT PROPERTIES *****\n"); 1060c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood int count = mDeviceInfo->mPlaybackFormats->size(); 1070c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood for (int i = 0; i < count; i++) { 1080c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpObjectFormat format = (*mDeviceInfo->mPlaybackFormats)[i]; 1090c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood LOGI("*** FORMAT: %s\n", MtpDebug::getFormatCodeName(format)); 1100c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpObjectPropertyList* props = getObjectPropsSupported(format); 1110c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (props) { 1120c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood for (int j = 0; j < props->size(); j++) { 1130c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpObjectProperty prop = (*props)[j]; 11499e393a39a31bfbdeb435462939519e2d0279433Mike Lockwood MtpProperty* property = getObjectPropDesc(prop, format); 1150c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood if (property) 1160c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood property->print(); 1170c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood else 1180c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood LOGE("could not fetch property: %s", 1190c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood MtpDebug::getObjectPropCodeName(prop)); 1200c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1210c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1220c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1230c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood } 1240c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood} 1250c7c7c76a96a82ec728a2d5c091941c4057ffb25Mike Lockwood 1265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodconst char* MtpDevice::getDeviceName() { 1275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mDevice) 1285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return usb_device_get_name(mDevice); 1295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else 1305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return "???"; 1315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::openSession() { 1340cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1350cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = 0; 1375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 0; 1385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpSessionID newSession = 1; 1395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1405ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, newSession); 1415ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_OPEN_SESSION)) 1425ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_SESSION_ALREADY_OPEN) 1455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood newSession = mResponse.getParameter(1); 1465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else if (ret != MTP_RESPONSE_OK) 1475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 1485ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mSessionID = newSession; 1505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mTransactionID = 1; 1515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1525ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::closeSession() { 1555ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood // FIXME 1565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 1575ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1585ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1595ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpDeviceInfo* MtpDevice::getDeviceInfo() { 1600cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1610cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1625ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1635ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_INFO)) 1645ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1655ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1665ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1675ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1685ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1695ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpDeviceInfo* info = new MtpDeviceInfo; 1705ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 1715ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 1725ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1735ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1745ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1755ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1765ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageIDList* MtpDevice::getStorageIDs() { 1770cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1780cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1805ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_IDS)) 1815ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1825ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1835ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1845ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 1855ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 1865ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 1875ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 1885ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1895ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 1905ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 1915ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpStorageInfo* MtpDevice::getStorageInfo(MtpStorageID storageID) { 1920cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 1930cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 1945ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 1955ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 1965ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_STORAGE_INFO)) 1975ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 1985ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 1995ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2005ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 2015ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2025ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpStorageInfo* info = new MtpStorageInfo(storageID); 2035ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 2045ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 2055ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2065ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2075ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2085ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2095ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectHandleList* MtpDevice::getObjectHandles(MtpStorageID storageID, 2105ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectFormat format, MtpObjectHandle parent) { 2110cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2120cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2135ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 2145ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, storageID); 2155ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(2, format); 2165ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(3, parent); 2175ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_HANDLES)) 2185ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2195ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 2205ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 2225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2235ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mData.getAUInt32(); 2245ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2255ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2265ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2275ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2285ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpObjectInfo* MtpDevice::getObjectInfo(MtpObjectHandle handle) { 2290cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2300cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2316afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood // FIXME - we might want to add some caching here 2326afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 2335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.reset(); 2345ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setParameter(1, handle); 2355ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_INFO)) 2365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (!readData()) 2385ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpResponseCode ret = readResponse(); 2405ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2415ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood MtpObjectInfo* info = new MtpObjectInfo(handle); 2425ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood info->read(mData); 2435ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return info; 2445ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 2455ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return NULL; 2465ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 2475ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 2483e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwoodvoid* MtpDevice::getThumbnail(MtpObjectHandle handle, int& outLength) { 2490cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2500cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2513e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.reset(); 2523e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood mRequest.setParameter(1, handle); 2533e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (sendRequest(MTP_OPERATION_GET_THUMB) && readData()) { 2543e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood MtpResponseCode ret = readResponse(); 2553e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood if (ret == MTP_RESPONSE_OK) { 2563e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return mData.getData(outLength); 2573e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2583e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood } 2593e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood outLength = 0; 2603e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood return NULL; 2616afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 2626afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 2630cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike LockwoodMtpObjectHandle MtpDevice::sendObjectInfo(MtpObjectInfo* info) { 2640cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 2650cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2660cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.reset(); 2670cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpObjectHandle parent = info->mParent; 2680cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (parent == 0) 2690cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood parent = MTP_PARENT_ROOT; 2700cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2710cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(1, info->mStorageID); 2720cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(2, info->mParent); 2730cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2740cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mStorageID); 2750cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mFormat); 2760cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mProtectionStatus); 2770cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mCompressedSize); 2780cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mThumbFormat); 2790cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbCompressedSize); 2800cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbPixWidth); 2810cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mThumbPixHeight); 2820cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixWidth); 2830cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixHeight); 2840cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mImagePixDepth); 2850cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mParent); 2860cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt16(info->mAssociationType); 2870cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mAssociationDesc); 2880cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putUInt32(info->mSequenceNumber); 2890cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(info->mName); 2900cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2910cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood char created[100], modified[100]; 2920cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood formatDateTime(info->mDateCreated, created, sizeof(created)); 2930cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood formatDateTime(info->mDateModified, modified, sizeof(modified)); 2940cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 2950cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(created); 2960cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(modified); 2970cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (info->mKeywords) 2980cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putString(info->mKeywords); 2990cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood else 3000cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.putEmptyString(); 3010cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3020cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (sendRequest(MTP_OPERATION_SEND_OBJECT_INFO) && sendData()) { 3030cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpResponseCode ret = readResponse(); 3040cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (ret == MTP_RESPONSE_OK) { 3050cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mStorageID = mResponse.getParameter(1); 3060cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mParent = mResponse.getParameter(2); 3070cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood info->mHandle = mResponse.getParameter(3); 3080cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return info->mHandle; 3090cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3100cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3110cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (MtpObjectHandle)-1; 3120cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 3130cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3140cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::sendObject(MtpObjectInfo* info, int srcFD) { 3150cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 3160cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3170cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int remaining = info->mCompressedSize; 3180cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.reset(); 3190cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mRequest.setParameter(1, info->mHandle); 3200cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (sendRequest(MTP_OPERATION_SEND_OBJECT)) { 3210cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood // send data header 3220cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood writeDataHeader(MTP_OPERATION_SEND_OBJECT, remaining); 3230cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3240cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood char buffer[65536]; 3250cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood while (remaining > 0) { 3260cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int count = read(srcFD, buffer, sizeof(buffer)); 3270cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood if (count > 0) { 3280cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood int written = mData.write(mEndpointOut, buffer, count); 3290cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood // FIXME check error 3300cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood remaining -= count; 3310cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } else { 3320cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood break; 3330cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3340cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3350cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 3360cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood MtpResponseCode ret = readResponse(); 3370cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (remaining == 0 && ret == MTP_RESPONSE_OK); 3380cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 3390cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3406afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwoodbool MtpDevice::deleteObject(MtpObjectHandle handle) { 3410cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 3420cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 3436afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.reset(); 3446afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood mRequest.setParameter(1, handle); 3456afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (sendRequest(MTP_OPERATION_DELETE_OBJECT)) { 3466afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpResponseCode ret = readResponse(); 3476afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (ret == MTP_RESPONSE_OK) 3486afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return true; 3496afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood } 3506afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return false; 3516afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 3526afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood 3536afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getParent(MtpObjectHandle handle) { 3546afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 3556afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 3566afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mParent; 3576afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 3586afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 3596afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood} 3603e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 3616afc41d095ccb159f6c4705bed903b6c048b922aMike LockwoodMtpObjectHandle MtpDevice::getStorageID(MtpObjectHandle handle) { 3626afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood MtpObjectInfo* info = getObjectInfo(handle); 3636afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood if (info) 3646afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return info->mStorageID; 3656afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood else 3666afc41d095ccb159f6c4705bed903b6c048b922aMike Lockwood return -1; 3673e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood} 3683e072b354d1e1e3ee62d58492f0739139df8aff1Mike Lockwood 36998693f674125484de8873d969c209276a6dd604bMike LockwoodMtpObjectPropertyList* MtpDevice::getObjectPropsSupported(MtpObjectFormat format) { 37098693f674125484de8873d969c209276a6dd604bMike Lockwood Mutex::Autolock autoLock(mMutex); 37198693f674125484de8873d969c209276a6dd604bMike Lockwood 37298693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.reset(); 37398693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.setParameter(1, format); 37498693f674125484de8873d969c209276a6dd604bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_PROPS_SUPPORTED)) 37598693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 37698693f674125484de8873d969c209276a6dd604bMike Lockwood if (!readData()) 37798693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 37898693f674125484de8873d969c209276a6dd604bMike Lockwood MtpResponseCode ret = readResponse(); 37998693f674125484de8873d969c209276a6dd604bMike Lockwood if (ret == MTP_RESPONSE_OK) { 38098693f674125484de8873d969c209276a6dd604bMike Lockwood return mData.getAUInt16(); 38198693f674125484de8873d969c209276a6dd604bMike Lockwood } 38298693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 38398693f674125484de8873d969c209276a6dd604bMike Lockwood 38498693f674125484de8873d969c209276a6dd604bMike Lockwood} 38598693f674125484de8873d969c209276a6dd604bMike Lockwood 386a6c490b8b2d96ebaab632286029463f932ae3b6bMike LockwoodMtpProperty* MtpDevice::getDevicePropDesc(MtpDeviceProperty code) { 3870cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood Mutex::Autolock autoLock(mMutex); 3880cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 389a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.reset(); 390a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood mRequest.setParameter(1, code); 391a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_DEVICE_PROP_DESC)) 392a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 393a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (!readData()) 394a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 395a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpResponseCode ret = readResponse(); 396a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood if (ret == MTP_RESPONSE_OK) { 397a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood MtpProperty* property = new MtpProperty; 398e3e76c456baee122de6715ae280130abaddc906cMike Lockwood property->read(mData); 399a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return property; 400a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood } 401a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood return NULL; 402a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood} 403a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 40499e393a39a31bfbdeb435462939519e2d0279433Mike LockwoodMtpProperty* MtpDevice::getObjectPropDesc(MtpObjectProperty code, MtpObjectFormat format) { 40598693f674125484de8873d969c209276a6dd604bMike Lockwood Mutex::Autolock autoLock(mMutex); 40698693f674125484de8873d969c209276a6dd604bMike Lockwood 40798693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.reset(); 40898693f674125484de8873d969c209276a6dd604bMike Lockwood mRequest.setParameter(1, code); 40999e393a39a31bfbdeb435462939519e2d0279433Mike Lockwood mRequest.setParameter(2, format); 41098693f674125484de8873d969c209276a6dd604bMike Lockwood if (!sendRequest(MTP_OPERATION_GET_OBJECT_PROP_DESC)) 41198693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 41298693f674125484de8873d969c209276a6dd604bMike Lockwood if (!readData()) 41398693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 41498693f674125484de8873d969c209276a6dd604bMike Lockwood MtpResponseCode ret = readResponse(); 41598693f674125484de8873d969c209276a6dd604bMike Lockwood if (ret == MTP_RESPONSE_OK) { 41698693f674125484de8873d969c209276a6dd604bMike Lockwood MtpProperty* property = new MtpProperty; 41798693f674125484de8873d969c209276a6dd604bMike Lockwood property->read(mData); 41898693f674125484de8873d969c209276a6dd604bMike Lockwood return property; 41998693f674125484de8873d969c209276a6dd604bMike Lockwood } 42098693f674125484de8873d969c209276a6dd604bMike Lockwood return NULL; 42198693f674125484de8873d969c209276a6dd604bMike Lockwood} 42298693f674125484de8873d969c209276a6dd604bMike Lockwood 423b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood// reads the object's data and writes it to the specified file path 42427afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwoodbool MtpDevice::readObject(MtpObjectHandle handle, const char* destPath, int group, int perm) { 425b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGD("readObject: %s", destPath); 426b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int fd = ::open(destPath, O_RDWR | O_CREAT | O_TRUNC); 427b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (fd < 0) { 428b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("open failed for %s", destPath); 429b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood return false; 4300cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 4310cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 43227afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood fchown(fd, getuid(), group); 43327afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood // set permissions 43427afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood int mask = umask(0); 43527afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood fchmod(fd, perm); 43627afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood umask(mask); 43727afe3a1cc9c07ac4884a7720087a597aea3c76fMike Lockwood 438b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood Mutex::Autolock autoLock(mMutex); 439b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood bool result = false; 4400cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 441b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mRequest.reset(); 442b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mRequest.setParameter(1, handle); 443b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (sendRequest(MTP_OPERATION_GET_OBJECT) 444b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood && mData.readDataHeader(mEndpointIn)) { 445b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood uint32_t length = mData.getContainerLength(); 446b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (length < MTP_CONTAINER_HEADER_SIZE) 447b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 448b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood length -= MTP_CONTAINER_HEADER_SIZE; 449b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood uint32_t remaining = length; 450b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 451b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int initialDataLength = 0; 452b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood void* initialData = mData.getData(initialDataLength); 453b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (initialData) { 454b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (initialDataLength > 0) { 455b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (write(fd, initialData, initialDataLength) != initialDataLength) 456b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 457b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood remaining -= initialDataLength; 4580cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 459b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood free(initialData); 4600cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 4610cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 462b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // USB reads greater than 16K don't work 463b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char buffer1[16384], buffer2[16384]; 464b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char* readBuffer = buffer1; 465b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood char* writeBuffer = NULL; 466b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int writeLength = 0; 467b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 468b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood while (remaining > 0 || writeBuffer) { 469b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (remaining > 0) { 470b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // queue up a read request 471b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int readSize = (remaining > sizeof(buffer1) ? sizeof(buffer1) : remaining); 472b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (mData.readDataAsync(mEndpointIn, readBuffer, readSize)) { 473b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("readDataAsync failed"); 474b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 475b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 4760cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } else { 477b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood readBuffer = NULL; 4780cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 4790cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 480b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (writeBuffer) { 481b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // write previous buffer 482b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (write(fd, writeBuffer, writeLength) != writeLength) { 483b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood LOGE("write failed"); 484b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // wait for pending read before failing 485b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (readBuffer) 486b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood mData.readDataWait(mEndpointIn); 487b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 488b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 489b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeBuffer = NULL; 490b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 4910cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 492b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood // wait for read to complete 493b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (readBuffer) { 494b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood int read = mData.readDataWait(mEndpointIn); 495b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (read < 0) 496b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood goto fail; 4970cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 498b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeBuffer = readBuffer; 499b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood writeLength = read; 500b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood remaining -= read; 501b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood readBuffer = (readBuffer == buffer1 ? buffer2 : buffer1); 502b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 503b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood } 504b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 505b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood MtpResponseCode response = readResponse(); 506b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood if (response == MTP_RESPONSE_OK) 507b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood result = true; 5080cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood } 509b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood 510b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwoodfail: 511b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood ::close(fd); 512b9ff444a7eaf7ffd43970c0477110c6808bd4a7cMike Lockwood return result; 5130cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 514a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood 5155ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::sendRequest(MtpOperationCode operation) { 516f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("sendRequest: %s\n", MtpDebug::getOperationCodeName(operation)); 517f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mReceivedResponse = false; 5185ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setOperationCode(operation); 5195ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (mTransactionID > 0) 5205ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.setTransactionID(mTransactionID++); 5215ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mRequest.write(mEndpointOut); 5225ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mRequest.dump(); 5235ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 5245ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5255ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5260cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::sendData() { 527f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("sendData\n"); 5285ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setOperationCode(mRequest.getOperationCode()); 5295ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.setTransactionID(mRequest.getTransactionID()); 5305ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.write(mEndpointOut); 5315ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 5325ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return (ret > 0); 5335ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5345ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5355ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwoodbool MtpDevice::readData() { 5365ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.reset(); 5375ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mData.read(mEndpointIn); 538f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readData returned %d\n", ret); 5395ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 540f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood if (mData.getContainerType() == MTP_CONTAINER_TYPE_RESPONSE) { 541f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood LOGD("got response packet instead of data packet"); 542f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood // we got a response packet rather than data 543f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood // copy it to mResponse 544f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mResponse.copyFrom(mData); 545f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mReceivedResponse = true; 546f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood return false; 547f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood } 5485ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mData.dump(); 5495ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return true; 5505ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5515ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood else { 552f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readResponse failed\n"); 5535ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return false; 5545ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5555ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5565ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5570cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwoodbool MtpDevice::writeDataHeader(MtpOperationCode operation, int dataLength) { 5580cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.setOperationCode(operation); 5590cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood mData.setTransactionID(mRequest.getTransactionID()); 5600cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood return (!mData.writeDataHeader(mEndpointOut, dataLength)); 5610cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood} 5620cf89f2e622aa53f31fa5762ca4bc805bb509ed3Mike Lockwood 5635ed68d29a140e14c8d46980fa844548eb33b1e87Mike LockwoodMtpResponseCode MtpDevice::readResponse() { 564f43c641bf3f8bcb5748f4ae504d434896edc94f5Mike Lockwood LOGV("readResponse\n"); 565f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood if (mReceivedResponse) { 566f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood mReceivedResponse = false; 567f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood return mResponse.getResponseCode(); 568f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood } 5695ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood int ret = mResponse.read(mEndpointIn); 5705ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood if (ret >= MTP_CONTAINER_HEADER_SIZE) { 5715ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood mResponse.dump(); 5725ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return mResponse.getResponseCode(); 573f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood } else { 574a6c490b8b2d96ebaab632286029463f932ae3b6bMike Lockwood LOGD("readResponse failed\n"); 5755ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood return -1; 5765ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood } 5775ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} 5785ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood 5795ed68d29a140e14c8d46980fa844548eb33b1e87Mike Lockwood} // namespace android 580