FreeRDP/libfreerdp/core/tcp.h
Hardening 542811291c Use poll() instead of select() when available
select() has the major drawback that it cannot handle file descriptor
that are bigger than 1024. This patch makes use of poll() instead of
select() when poll() support is available.
2014-07-03 15:26:49 +02:00

78 lines
2.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Transmission Control Protocol (TCP)
*
* Copyright 2011 Vic Lee
* 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 __TCP_H
#define __TCP_H
#include <winpr/windows.h>
#include <freerdp/types.h>
#include <freerdp/settings.h>
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/stream.h>
#include <winpr/winsock.h>
#include <freerdp/utils/ringbuffer.h>
#include <openssl/bio.h>
#ifndef MSG_NOSIGNAL
#define MSG_NOSIGNAL 0
#endif
#define BIO_TYPE_SIMPLE 66
#define BIO_TYPE_BUFFERED 67
typedef struct rdp_tcp rdpTcp;
struct rdp_tcp
{
int sockfd;
char ip_address[32];
BYTE mac_address[6];
rdpSettings* settings;
#ifdef _WIN32
WSAEVENT wsa_event;
#endif
BIO* socketBio;
BIO* bufferedBio;
RingBuffer xmitBuffer;
BOOL writeBlocked;
BOOL readBlocked;
HANDLE event;
};
BOOL tcp_connect(rdpTcp* tcp, const char* hostname, int port, int timeout);
BOOL tcp_disconnect(rdpTcp* tcp);
int tcp_read(rdpTcp* tcp, BYTE* data, int length);
int tcp_write(rdpTcp* tcp, BYTE* data, int length);
int tcp_wait_read(rdpTcp* tcp, DWORD dwMilliSeconds);
int tcp_wait_write(rdpTcp* tcp, DWORD dwMilliSeconds);
BOOL tcp_set_blocking_mode(rdpTcp* tcp, BOOL blocking);
BOOL tcp_set_keep_alive_mode(rdpTcp* tcp);
int tcp_attach(rdpTcp* tcp, int sockfd);
HANDLE tcp_get_event_handle(rdpTcp* tcp);
rdpTcp* tcp_new(rdpSettings* settings);
void tcp_free(rdpTcp* tcp);
#endif /* __TCP_H */