FreeRDP/libfreerdp/core/transport.h
Alexandr cf2daeb01d
cleanup of https://github.com/FreeRDP/FreeRDP/pull/6448 (#6455)
* Implemented switchable transport layer

Co-authored-by: akallabeth <akallabeth@posteo.net>
2020-09-02 13:37:04 +02:00

119 lines
4.0 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 FREERDP_LIB_CORE_TRANSPORT_H
#define FREERDP_LIB_CORE_TRANSPORT_H
typedef enum
{
TRANSPORT_LAYER_TCP,
TRANSPORT_LAYER_TLS,
TRANSPORT_LAYER_TSG,
TRANSPORT_LAYER_TSG_TLS,
TRANSPORT_LAYER_CLOSED
} TRANSPORT_LAYER;
#include "tcp.h"
#include "nla.h"
#include "gateway/tsg.h"
#include "gateway/rdg.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/api.h>
#include <freerdp/crypto/tls.h>
#include <time.h>
#include <freerdp/types.h>
#include <freerdp/settings.h>
#include <freerdp/transport_io.h>
typedef int (*TransportRecv)(rdpTransport* transport, wStream* stream, void* extra);
struct rdp_transport
{
TRANSPORT_LAYER layer;
BIO* frontBio;
rdpRdg* rdg;
rdpTsg* tsg;
rdpTls* tls;
rdpContext* context;
rdpNla* nla;
rdpSettings* settings;
void* ReceiveExtra;
wStream* ReceiveBuffer;
TransportRecv ReceiveCallback;
wStreamPool* ReceivePool;
HANDLE connectedEvent;
BOOL NlaMode;
BOOL blocking;
BOOL GatewayEnabled;
CRITICAL_SECTION ReadLock;
CRITICAL_SECTION WriteLock;
ULONG written;
HANDLE rereadEvent;
BOOL haveMoreBytesToRead;
wLog* log;
rdpTransportIo io;
};
FREERDP_LOCAL wStream* transport_send_stream_init(rdpTransport* transport, int size);
FREERDP_LOCAL BOOL transport_connect(rdpTransport* transport, const char* hostname, UINT16 port,
DWORD timeout);
FREERDP_LOCAL BOOL transport_attach(rdpTransport* transport, int sockfd);
FREERDP_LOCAL BOOL transport_disconnect(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_connect_rdp(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_connect_tls(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_connect_nla(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_accept_rdp(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_accept_tls(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_accept_nla(rdpTransport* transport);
FREERDP_LOCAL int transport_read_pdu(rdpTransport* transport, wStream* s);
FREERDP_LOCAL int transport_write(rdpTransport* transport, wStream* s);
FREERDP_LOCAL void transport_get_fds(rdpTransport* transport, void** rfds, int* rcount);
FREERDP_LOCAL int transport_check_fds(rdpTransport* transport);
FREERDP_LOCAL DWORD transport_get_event_handles(rdpTransport* transport, HANDLE* events,
DWORD nCount);
FREERDP_LOCAL BOOL transport_set_blocking_mode(rdpTransport* transport, BOOL blocking);
FREERDP_LOCAL void transport_set_gateway_enabled(rdpTransport* transport, BOOL GatewayEnabled);
FREERDP_LOCAL void transport_set_nla_mode(rdpTransport* transport, BOOL NlaMode);
FREERDP_LOCAL BOOL transport_is_write_blocked(rdpTransport* transport);
FREERDP_LOCAL int transport_drain_output_buffer(rdpTransport* transport);
FREERDP_LOCAL wStream* transport_receive_pool_take(rdpTransport* transport);
FREERDP_LOCAL int transport_receive_pool_return(rdpTransport* transport, wStream* pdu);
FREERDP_LOCAL const rdpTransportIo* transport_get_io_callbacks(rdpTransport* transport);
FREERDP_LOCAL BOOL transport_set_io_callbacks(rdpTransport* transport,
const rdpTransportIo* io_callbacks);
FREERDP_LOCAL rdpTransport* transport_new(rdpContext* context);
FREERDP_LOCAL void transport_free(rdpTransport* transport);
#endif /* FREERDP_LIB_CORE_TRANSPORT_H */