MtpPacket.h revision 487be61fb0a38873aec1d12da92437fba5e728f2
116864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood/* 216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * Copyright (C) 2010 The Android Open Source Project 316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * 416864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * Licensed under the Apache License, Version 2.0 (the "License"); 516864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * you may not use this file except in compliance with the License. 616864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * You may obtain a copy of the License at 716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * 816864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * http://www.apache.org/licenses/LICENSE-2.0 916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * 1016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * Unless required by applicable law or agreed to in writing, software 1116864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * distributed under the License is distributed on an "AS IS" BASIS, 1216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * See the License for the specific language governing permissions and 1416864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood * limitations under the License. 1516864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood */ 1616864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 1716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood#ifndef _MTP_PACKET_H 1816864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood#define _MTP_PACKET_H 1916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 20487be61fb0a38873aec1d12da92437fba5e728f2Jerry Zhang#include <android-base/macros.h> 21487be61fb0a38873aec1d12da92437fba5e728f2Jerry Zhang 22335dd2be955607f2632eabc25045857f2cc8b674Mike Lockwood#include "MtpTypes.h" 2316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 248a7ffae09a019de7109b30c505561c453910bde1Daichi Hironostruct usb_device; 2542d0b79a787814d42e4c6f9dfe14f13cc0f6a758Mike Lockwoodstruct usb_request; 267850ef999740f214a1990a9c090d3f3865d435aaMike Lockwood 277850ef999740f214a1990a9c090d3f3865d435aaMike Lockwoodnamespace android { 287850ef999740f214a1990a9c090d3f3865d435aaMike Lockwood 2916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwoodclass MtpPacket { 3016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 3116864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwoodprotected: 3216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood uint8_t* mBuffer; 3316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood // current size of the buffer 34ab063847e6e893740749029a04cce1f6b7345ed5Mike Lockwood size_t mBufferSize; 3516864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood // number of bytes to add when resizing the buffer 36ab063847e6e893740749029a04cce1f6b7345ed5Mike Lockwood size_t mAllocationIncrement; 3716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood // size of the data in the packet 38ab063847e6e893740749029a04cce1f6b7345ed5Mike Lockwood size_t mPacketSize; 3916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 4016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwoodpublic: 41a039c883c593b2ebbca6d32282cbd855b5bec19fChih-Hung Hsieh explicit MtpPacket(int bufferSize); 4216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood virtual ~MtpPacket(); 4316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 4416864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood // sets packet size to the default container size and sets buffer to zero 4516864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood virtual void reset(); 4616864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 47ab063847e6e893740749029a04cce1f6b7345ed5Mike Lockwood void allocate(size_t length); 4816864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void dump(); 49f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood void copyFrom(const MtpPacket& src); 5016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 5116864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood uint16_t getContainerCode() const; 5216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void setContainerCode(uint16_t code); 5316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 54f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood uint16_t getContainerType() const; 55f7454622eaac287d20ab43013d7015fe42b894f8Mike Lockwood 5616864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood MtpTransactionID getTransactionID() const; 5716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void setTransactionID(MtpTransactionID id); 5816864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 5916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood uint32_t getParameter(int index) const; 6016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void setParameter(int index, uint32_t value); 6116864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 6216864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood#ifdef MTP_HOST 6342d0b79a787814d42e4c6f9dfe14f13cc0f6a758Mike Lockwood int transfer(struct usb_request* request); 6416864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood#endif 6516864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 6616864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwoodprotected: 6716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood uint16_t getUInt16(int offset) const; 6816864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood uint32_t getUInt32(int offset) const; 6916864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void putUInt16(int offset, uint16_t value); 7016864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood void putUInt32(int offset, uint32_t value); 71487be61fb0a38873aec1d12da92437fba5e728f2Jerry Zhang 72487be61fb0a38873aec1d12da92437fba5e728f2Jerry Zhang DISALLOW_COPY_AND_ASSIGN(MtpPacket); 7316864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood}; 7416864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood 757850ef999740f214a1990a9c090d3f3865d435aaMike Lockwood}; // namespace android 767850ef999740f214a1990a9c090d3f3865d435aaMike Lockwood 7716864bae0f51c32c456da2c43adf7a057c0c4882Mike Lockwood#endif // _MTP_PACKET_H 78