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/**
* FreeRDP: A Remote Desktop Protocol Client
* X.224 Transport Protocol Data Units (TPDUs)
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 __TPDU_H
#define __TPDU_H
#include <freerdp/utils/stream.h>
enum X224_TPDU_TYPE
{
X224_TPDU_CONNECTION_REQUEST = 0xE0,
X224_TPDU_CONNECTION_CONFIRM = 0xD0,
X224_TPDU_DISCONNECT_REQUEST = 0x80,
X224_TPDU_DATA = 0xF0,
X224_TPDU_ERROR = 0x70
};
#define TPDU_DATA_HEADER_LENGTH 3
#define TPDU_CONNECTION_REQUEST_HEADER_LENGTH 7
#define TPDU_CONNECTION_CONFIRM_HEADER_LENGTH 7
#define TPDU_DISCONNECT_REQUEST_HEADER_LENGTH 7
#define TPDU_DATA_LENGTH (TPKT_HEADER_LENGTH + TPDU_DATA_HEADER_LENGTH)
#define TPDU_CONNECTION_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_REQUEST_HEADER_LENGTH)
#define TPDU_CONNECTION_CONFIRM_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_CONFIRM_HEADER_LENGTH)
#define TPDU_DISCONNECT_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_DISCONNECT_REQUEST_HEADER_LENGTH)
uint8 tpdu_read_header(STREAM* s, uint8* code);
void tpdu_write_header(STREAM* s, uint16 length, uint8 code);
uint8 tpdu_read_connection_request(STREAM* s);
void tpdu_write_connection_request(STREAM* s, uint16 length);
uint8 tpdu_read_connection_confirm(STREAM* s);
void tpdu_write_connection_confirm(STREAM* s, uint16 length);
void tpdu_write_disconnect_request(STREAM* s, uint16 length);
uint16 tpdu_read_data(STREAM* s);
void tpdu_write_data(STREAM* s);
#endif /* __TPDU_H */
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