| /* |
| * 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_DATA_PACKET_H |
| #define _MTP_DATA_PACKET_H |
| |
| #include "MtpPacket.h" |
| #include "mtp.h" |
| |
| struct usb_device; |
| struct usb_request; |
| |
| namespace android { |
| |
| class MtpStringBuffer; |
| |
| class MtpDataPacket : public MtpPacket { |
| private: |
| // current offset for get/put methods |
| size_t mOffset; |
| |
| public: |
| MtpDataPacket(); |
| virtual ~MtpDataPacket(); |
| |
| virtual void reset(); |
| |
| void setOperationCode(MtpOperationCode code); |
| void setTransactionID(MtpTransactionID id); |
| |
| inline const uint8_t* getData() const { return mBuffer + MTP_CONTAINER_HEADER_SIZE; } |
| |
| bool getUInt8(uint8_t& value); |
| inline bool getInt8(int8_t& value) { return getUInt8((uint8_t&)value); } |
| bool getUInt16(uint16_t& value); |
| inline bool getInt16(int16_t& value) { return getUInt16((uint16_t&)value); } |
| bool getUInt32(uint32_t& value); |
| inline bool getInt32(int32_t& value) { return getUInt32((uint32_t&)value); } |
| bool getUInt64(uint64_t& value); |
| inline bool getInt64(int64_t& value) { return getUInt64((uint64_t&)value); } |
| bool getUInt128(uint128_t& value); |
| inline bool getInt128(int128_t& value) { return getUInt128((uint128_t&)value); } |
| bool getString(MtpStringBuffer& string); |
| |
| Int8List* getAInt8(); |
| UInt8List* getAUInt8(); |
| Int16List* getAInt16(); |
| UInt16List* getAUInt16(); |
| Int32List* getAInt32(); |
| UInt32List* getAUInt32(); |
| Int64List* getAInt64(); |
| UInt64List* getAUInt64(); |
| |
| void putInt8(int8_t value); |
| void putUInt8(uint8_t value); |
| void putInt16(int16_t value); |
| void putUInt16(uint16_t value); |
| void putInt32(int32_t value); |
| void putUInt32(uint32_t value); |
| void putInt64(int64_t value); |
| void putUInt64(uint64_t value); |
| void putInt128(const int128_t& value); |
| void putUInt128(const uint128_t& value); |
| void putInt128(int64_t value); |
| void putUInt128(uint64_t value); |
| |
| void putAInt8(const int8_t* values, int count); |
| void putAUInt8(const uint8_t* values, int count); |
| void putAInt16(const int16_t* values, int count); |
| void putAUInt16(const uint16_t* values, int count); |
| void putAUInt16(const UInt16List* values); |
| void putAInt32(const int32_t* values, int count); |
| void putAUInt32(const uint32_t* values, int count); |
| void putAUInt32(const UInt32List* list); |
| void putAInt64(const int64_t* values, int count); |
| void putAUInt64(const uint64_t* values, int count); |
| void putString(const MtpStringBuffer& string); |
| void putString(const char* string); |
| void putString(const uint16_t* string); |
| inline void putEmptyString() { putUInt8(0); } |
| inline void putEmptyArray() { putUInt32(0); } |
| |
| |
| #ifdef MTP_DEVICE |
| // fill our buffer with data from the given file descriptor |
| int read(int fd); |
| |
| // write our data to the given file descriptor |
| int write(int fd); |
| int writeData(int fd, void* data, uint32_t length); |
| #endif |
| |
| #ifdef MTP_HOST |
| int read(struct usb_request *request); |
| int readData(struct usb_request *request, void* buffer, int length); |
| int readDataAsync(struct usb_request *req); |
| int readDataWait(struct usb_device *device); |
| int readDataHeader(struct usb_request *ep); |
| |
| int writeDataHeader(struct usb_request *ep, uint32_t length); |
| int write(struct usb_request *ep); |
| int write(struct usb_request *ep, void* buffer, uint32_t length); |
| #endif |
| |
| inline bool hasData() const { return mPacketSize > MTP_CONTAINER_HEADER_SIZE; } |
| inline uint32_t getContainerLength() const { return MtpPacket::getUInt32(MTP_CONTAINER_LENGTH_OFFSET); } |
| void* getData(int* outLength) const; |
| }; |
| |
| }; // namespace android |
| |
| #endif // _MTP_DATA_PACKET_H |