FreeRDP/libfreerdp/core/transport.h

120 lines
3.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Network Transport Layer
*
* Copyright 2011 Vic Lee
*
* 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 __TRANSPORT_H
#define __TRANSPORT_H
typedef enum
{
TRANSPORT_LAYER_TCP,
TRANSPORT_LAYER_TLS,
TRANSPORT_LAYER_TSG,
TRANSPORT_LAYER_TSG_TLS,
TRANSPORT_LAYER_CLOSED
} TRANSPORT_LAYER;
typedef struct rdp_transport rdpTransport;
#include "tcp.h"
#include "nla.h"
#include "gateway/tsg.h"
#include <winpr/sspi.h>
#include <winpr/wlog.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#include <winpr/stream.h>
#include <winpr/collections.h>
#include <freerdp/crypto/tls.h>
#include <time.h>
#include <freerdp/types.h>
#include <freerdp/settings.h>
typedef int (*TransportRecv) (rdpTransport* transport, wStream* stream, void* extra);
struct rdp_transport
{
TRANSPORT_LAYER layer;
BIO* frontBio;
rdpTsg* tsg;
rdpTcp* TcpIn;
rdpTcp* TcpOut;
rdpTls* TlsIn;
rdpTls* TlsOut;
rdpTls* TsgTls;
rdpContext* context;
rdpCredssp* credssp;
rdpSettings* settings;
UINT32 SleepInterval;
void* ReceiveExtra;
wStream* ReceiveBuffer;
TransportRecv ReceiveCallback;
HANDLE ReceiveEvent;
HANDLE GatewayEvent;
BOOL blocking;
BOOL SplitInputOutput;
wStreamPool* ReceivePool;
HANDLE connectedEvent;
HANDLE stopEvent;
HANDLE thread;
BOOL async;
BOOL NlaMode;
BOOL GatewayEnabled;
CRITICAL_SECTION ReadLock;
CRITICAL_SECTION WriteLock;
void* rdp;
};
wStream* transport_send_stream_init(rdpTransport* transport, int size);
BOOL transport_connect(rdpTransport* transport, const char* hostname, UINT16 port, int timeout);
void transport_attach(rdpTransport* transport, int sockfd);
BOOL transport_disconnect(rdpTransport* transport);
BOOL transport_connect_rdp(rdpTransport* transport);
BOOL transport_connect_tls(rdpTransport* transport);
BOOL transport_connect_nla(rdpTransport* transport);
BOOL transport_accept_rdp(rdpTransport* transport);
BOOL transport_accept_tls(rdpTransport* transport);
BOOL transport_accept_nla(rdpTransport* transport);
void transport_stop(rdpTransport* transport);
int transport_read_pdu(rdpTransport* transport, wStream* s);
int transport_write(rdpTransport* transport, wStream* s);
void transport_get_fds(rdpTransport* transport, void** rfds, int* rcount);
int transport_check_fds(rdpTransport* transport);
DWORD transport_get_event_handles(rdpTransport* transport, HANDLE* events);
BOOL transport_set_blocking_mode(rdpTransport* transport, BOOL blocking);
void transport_set_gateway_enabled(rdpTransport* transport, BOOL GatewayEnabled);
void transport_set_nla_mode(rdpTransport* transport, BOOL NlaMode);
BOOL tranport_is_write_blocked(rdpTransport* transport);
int tranport_drain_output_buffer(rdpTransport* transport);
wStream* transport_receive_pool_take(rdpTransport* transport);
int transport_receive_pool_return(rdpTransport* transport, wStream* pdu);
rdpTransport* transport_new(rdpContext* context);
void transport_free(rdpTransport* transport);
#endif