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78edc7687e
Moved the includes of rswin.h from the header files to the c files. git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5655 b45a01b8-16f6-495d-af2f-9b41ad6348cc
143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
/*
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* "$Id: tou.h,v 1.4 2007-02-18 21:46:50 rmf24 Exp $"
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*
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* TCP-on-UDP (tou) network interface for RetroShare.
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*
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* Copyright 2004-2006 by Robert Fernie.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#ifndef TOU_C_HEADER_H
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#define TOU_C_HEADER_H
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/* get OS-specific definitions for:
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* struct sockaddr, socklen_t, ssize_t
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*/
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#ifndef WINDOWS_SYS
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#else
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#include <stdint.h>
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#include <winsock2.h>
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#include <stdio.h>
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// #include <stdint.h>
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typedef int socklen_t;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* standard C interface (as Unix-like as possible)
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* for the tou (Tcp On Udp) library
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*/
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/*
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* Init:
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* The TOU library no longer references any UdpStack items.
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* instead, two arrays should be passed to the init function.
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* int tou_init( (void **) UdpSubReceiver **udpRecvers, int *udpType, int nUdps);
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*
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* The UdpSubReceivers should be derived classes, with corresponding types:
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* UdpPeerReceiver TOU_RECEIVER_TYPE_UDPPEER
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* UdpRelayReceiver TOU_RECEIVER_TYPE_UDPRELAY
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*
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*/
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#define MAX_TOU_RECEIVERS 16
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#define TOU_RECEIVER_TYPE_NONE 0x0000
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#define TOU_RECEIVER_TYPE_UDPPEER 0x0001
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#define TOU_RECEIVER_TYPE_UDPRELAY 0x0002
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// hack to avoid classes in C code. (MacOSX complaining)
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int tou_init(void **udpSubRecvs, int *udpTypes, int nUdps);
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/* Connections are as similar to UNIX as possible
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* (1) create a socket: tou_socket() this reserves a socket id.
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* (2) connect: active: tou_connect() or passive: tou_listenfor().
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* (3) use as a normal socket.
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*
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* connect() now has a conn_period parameter - this is the
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* estimate (in seconds) of how slowly the connection should proceed.
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*
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* tou_bind() is not valid. tou_init performs this role.
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* tou_listen() is not valid. (must listen for a specific address) use tou_listenfor() instead.
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* tou_accept() can still be used.
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*
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****** THE ABOVE IS BECOMING LESS TRUE ********
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*
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* I have now added Multiple type of TOU Connections (Proxy, Relay),
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* and multiple UDP Receivers (meaning you can use different ports too).
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*
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* The UDP receivers must be specified at startup (new tou_init())
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* and the Receiver, and Type of connection must be specified when you
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* open the socket.
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*
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* The parameters to tou_socket, therefore mean something!
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* some extra checking has been put in to try and catch bad usage.
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*/
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/* creation/connections */
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int tou_socket(uint32_t domain, uint32_t type, int protocol);
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int tou_bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen); /* null op now */
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int tou_listen(int sockfd, int backlog); /* null op now */
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int tou_connect(int sockfd, const struct sockaddr *serv_addr,
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socklen_t addrlen, uint32_t conn_period);
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int tou_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
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/* for relay connections */
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int tou_connect_via_relay(int sockfd,
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const struct sockaddr_in *own_addr,
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const struct sockaddr_in *proxy_addr,
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const struct sockaddr_in *dest_addr);
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/* non-standard bonuses */
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int tou_connected(int sockfd);
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int tou_listenfor(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen);
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/* UNIX interface: minimum for the SSL BIO interface */
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ssize_t tou_read(int sockfd, void *buf, size_t count);
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ssize_t tou_write(int sockfd, const void *buf, size_t count);
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int tou_close(int sockfd);
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/* non-standard */
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int tou_errno(int sockfd);
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int tou_clear_error(int sockfd);
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/* check stream */
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int tou_maxread(int sockfd);
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int tou_maxwrite(int sockfd);
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#ifdef __cplusplus
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}
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#endif
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#endif
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