| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _MTP_PACKET_H |
| #define _MTP_PACKET_H |
| |
| #include "MtpTypes.h" |
| |
| struct usb_device; |
| struct usb_request; |
| |
| namespace android { |
| |
| class MtpPacket { |
| |
| protected: |
| uint8_t* mBuffer; |
| // current size of the buffer |
| size_t mBufferSize; |
| // number of bytes to add when resizing the buffer |
| size_t mAllocationIncrement; |
| // size of the data in the packet |
| size_t mPacketSize; |
| |
| public: |
| MtpPacket(int bufferSize); |
| virtual ~MtpPacket(); |
| |
| // sets packet size to the default container size and sets buffer to zero |
| virtual void reset(); |
| |
| void allocate(size_t length); |
| void dump(); |
| void copyFrom(const MtpPacket& src); |
| |
| uint16_t getContainerCode() const; |
| void setContainerCode(uint16_t code); |
| |
| uint16_t getContainerType() const; |
| |
| MtpTransactionID getTransactionID() const; |
| void setTransactionID(MtpTransactionID id); |
| |
| uint32_t getParameter(int index) const; |
| void setParameter(int index, uint32_t value); |
| |
| #ifdef MTP_HOST |
| int transfer(struct usb_request* request); |
| #endif |
| |
| protected: |
| uint16_t getUInt16(int offset) const; |
| uint32_t getUInt32(int offset) const; |
| void putUInt16(int offset, uint16_t value); |
| void putUInt32(int offset, uint32_t value); |
| }; |
| |
| }; // namespace android |
| |
| #endif // _MTP_PACKET_H |