mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-15 04:07:17 +01:00
160 lines
3.0 KiB
C
160 lines
3.0 KiB
C
/*
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* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at your
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* option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*/
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/*
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* The sockets interface was moved out to simplify going OpenSSL integration.
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*/
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#if !defined (_WIN32)
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#include <sys/socket.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <fcntl.h>
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#define IS_SOCKET_ERROR(a) ((a)<0)
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typedef int socket_t;
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#else
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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#define IS_SOCKET_ERROR(a) ((a)==SOCKET_ERROR)
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#if !defined(EWOULDBLOCK)
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#endif
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#if !defined(EINPROGRESS)
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#define EINPROGRESS WSAEINPROGRESS
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#endif
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#if !defined(EINTR)
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#define EINTR WSAEINTR
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#endif
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#if !defined(EAGAIN)
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#define EAGAIN EWOULDBLOCK
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#endif
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typedef SOCKET socket_t;
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#endif
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#ifndef INADDR_NONE
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#define INADDR_NONE 0xFFFFFFFF
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#endif
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static int socket_error()
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{
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#if !defined (_WIN32)
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return errno;
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#else
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return WSAGetLastError();
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#endif
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}
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static int socket_create (int domain, int type, socket_t * sock)
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{
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*sock = socket (domain, type, 0);
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return IS_SOCKET_ERROR(*sock) ? 1 : 0;
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}
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static int socket_make_nonblocking (socket_t * sock)
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{
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#if !defined (_WIN32)
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return fcntl (*sock, F_SETFL, fcntl (*sock, F_GETFL,0 ) | O_NONBLOCK) != 0;
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#else
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unsigned long mode = 0;
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return ioctlsocket (*sock, FIONBIO, &mode) == SOCKET_ERROR;
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#endif
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}
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static int socket_close (socket_t * sock)
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{
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#if !defined (_WIN32)
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close (*sock);
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#else
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closesocket (*sock);
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#endif
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*sock = -1;
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return 0;
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}
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static int socket_connect (socket_t * sock, const struct sockaddr *saddr, socklen_t len)
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{
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while ( 1 )
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{
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if ( connect (*sock, saddr, len) < 0 )
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{
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if ( socket_error() == EINTR )
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continue;
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if ( socket_error() != EINPROGRESS && socket_error() != EWOULDBLOCK )
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return 1;
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}
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return 0;
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}
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}
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static int socket_accept (socket_t * sock, socket_t * newsock, struct sockaddr *saddr, socklen_t * len)
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{
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while ( IS_SOCKET_ERROR(*newsock = accept (*sock, saddr, len)) )
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{
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if ( socket_error() == EINTR )
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continue;
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return 1;
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}
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return 0;
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}
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static int socket_recv (socket_t * sock, void * buf, size_t len)
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{
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int length;
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while ( (length = recv (*sock, buf, len, 0)) < 0 )
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{
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int err = socket_error();
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if ( err != EINTR && err != EAGAIN )
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break;
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}
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return length;
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}
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static int socket_send (socket_t * sock, const void *buf, size_t len)
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{
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int length;
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while ( (length = send (*sock, buf, len, 0)) < 0 )
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{
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int err = socket_error();
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if ( err != EINTR && err != EAGAIN )
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break;
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}
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return length;
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}
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