mirror of
https://github.com/wiiu-env/WiiUPluginSystem.git
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108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/****************************************************************************
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* Copyright (C) 2010-2012
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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***************************************************************************/
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "network.h" // Include Winsock Library
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static int sock_id = -1;
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static struct sockaddr_in servaddr;
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int Bind()
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{
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memset(&servaddr,0,sizeof(servaddr));
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servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
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servaddr.sin_port = htons(LISTEN_PORT);
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servaddr.sin_family = AF_INET;
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if (bind(sock_id, (struct sockaddr*)&servaddr, sizeof(servaddr)) < 0)
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{
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close(sock_id);
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return -1;
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}
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return 0;
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}
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void CloseSocket()
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{
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if(sock_id < 0)
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return;
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close(sock_id);
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sock_id = -1;
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}
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int NetInit()
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{
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if(sock_id >= 0)
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return sock_id;
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#ifdef WIN32
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WSADATA wsaData;
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// Initialize Winsock
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if (WSAStartup(MAKEWORD(2,2), &wsaData) == SOCKET_ERROR)
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return -1;
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#endif
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//Get a socket
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if((sock_id = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) == -1)
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return -1;
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#ifdef WIN32
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u_long mode = 1;
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ioctlsocket(sock_id, FIONBIO, &mode);
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#else
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int flags = fcntl(sock_id, F_GETFL, 0);
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fcntl(sock_id, F_SETFL, flags | O_NONBLOCK);
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#endif
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return sock_id;
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}
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int NetRead(void *buffer, unsigned int buf_len)
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{
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if(sock_id < 0)
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return sock_id;
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fd_set fdsRead;
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FD_ZERO(&fdsRead);
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FD_SET(sock_id, &fdsRead);
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 10000;
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if(select(sock_id + 1, &fdsRead, NULL, NULL, &tv) != 1) {
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return 0;
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}
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int len = sizeof(servaddr);
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return recvfrom(sock_id,buffer, buf_len, 0,(struct sockaddr *)&servaddr, &len);
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}
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