FreeRDP/include/freerdp/transport_io.h
akallabeth 3409f8d3b0 Transport add getter, add checks
* Added transport_get_context to get rdpContext in IO callbacks.
* Added WINPR_ASSERT where possible.
* Fixed handle count mismatch in transport_get_event_handles
2021-09-09 08:53:20 +02:00

76 lines
2.7 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Interface
*
* Copyright 2009-2011 Jay Sorg
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.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 FREERDP_TRANSPORT_IO_H
#define FREERDP_TRANSPORT_IO_H
typedef struct rdp_transport_io rdpTransportIo;
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <winpr/stream.h>
#include <freerdp/freerdp.h>
#ifdef __cplusplus
extern "C"
{
#endif
typedef int (*pTCPConnect)(rdpContext* context, rdpSettings* settings, const char* hostname,
int port, DWORD timeout);
typedef BOOL (*pTransportFkt)(rdpTransport* transport);
typedef BOOL (*pTransportAttach)(rdpTransport* transport, int sockfd);
typedef int (*pTransportRWFkt)(rdpTransport* transport, wStream* s);
typedef SSIZE_T (*pTransportRead)(rdpTransport* transport, BYTE* data, size_t bytes);
struct rdp_transport_io
{
pTCPConnect TCPConnect;
pTransportFkt TLSConnect;
pTransportFkt TLSAccept;
pTransportAttach TransportAttach;
pTransportFkt TransportDisconnect;
pTransportRWFkt ReadPdu; /* Reads a whole PDU from the transport */
pTransportRWFkt WritePdu; /* Writes a whole PDU to the transport */
pTransportRead ReadBytes; /* Reads up to a requested amount of bytes from the transport */
};
typedef struct rdp_transport_io rdpTransportIo;
FREERDP_API const rdpTransportIo* freerdp_get_io_callbacks(rdpContext* context);
FREERDP_API BOOL freerdp_set_io_callbacks(rdpContext* context,
const rdpTransportIo* io_callbacks);
/* PDU parser.
* incomplete: FALSE if the whole PDU is available, TRUE otherwise
* Return: 0 -> PDU header incomplete
* >0 -> PDU header complete, length of PDU.
* <0 -> Abort, an error occured
*/
FREERDP_API SSIZE_T transport_parse_pdu(rdpTransport* transport, wStream* s, BOOL* incomplete);
FREERDP_API rdpContext* transport_get_context(rdpTransport* transport);
FREERDP_API rdpTransport* freerdp_get_transport(rdpContext* context);
#ifdef __cplusplus
}
#endif
#endif /* FREERDP_TRANSPORT_IO_H */