closing sdl2transition branch, because it will be merged
/* * Hedgewars, a free turn based strategy game * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *//* * Sockets for TCP networking. * * This layer offers some functionality over what SDL_net offers directly: listening * sockets (called acceptors here) can be bound to port 0, which will make them listen * on a random unused port, if one can be found. To support this feature, you can also * query the local port that an acceptor is listening on. * * Further, we support nonblocking reads here. */#ifndef SOCKET_H_#define SOCKET_H_#include <stdbool.h>#include <stdint.h>typedef struct _flib_tcpsocket flib_tcpsocket;typedef struct _flib_acceptor flib_acceptor;/** * Create a new acceptor which will listen for incoming TCP connections * on the given port. If port is 0, this will listen on a random * unused port which can then be queried with flib_acceptor_listenport. * * Returns NULL on error. */flib_acceptor *flib_acceptor_create(uint16_t port);/** * Return the port on which the acceptor is listening. */uint16_t flib_acceptor_listenport(flib_acceptor *acceptor);/** * Close the acceptor and free its memory. NULL-safe. */void flib_acceptor_close(flib_acceptor *acceptor);/** * Try to accept a connection from an acceptor (listening socket). * if localOnly is true, this will only accept connections which came from 127.0.0.1 * Returns NULL if nothing can be accepted. */flib_tcpsocket *flib_socket_accept(flib_acceptor *acceptor, bool localOnly);/** * Try to connect to the server at the given address. */flib_tcpsocket *flib_socket_connect(const char *host, uint16_t port);/** * Close the socket and free its memory. NULL-safe. */void flib_socket_close(flib_tcpsocket *socket);/** * Attempt to receive up to maxlen bytes from the socket, but does not * block if nothing is available. * Returns the ammount of data received, 0 if there was nothing to receive, * or a negative number if the connection was closed or an error occurred. */int flib_socket_nbrecv(flib_tcpsocket *sock, void *data, int maxlen);/** * Blocking send all the data in the data buffer. Returns the actual ammount * of data sent, or a negative value on error. If the value returned here * is less than len, either the connection closed or an error occurred. */int flib_socket_send(flib_tcpsocket *sock, const void *data, int len);#endif /* SOCKET_H_ */