game_robot

tcp_c.c

//文件:tcp_c.c
//描述:tcp客户端源程序 

#include <stdio.h> 
#include <winsock2.h> 
#pragma comment(lib, "WS2_32.lib") 

#define BUF_SIZE 1024 
int main(int argc, char* argv) { 
	WSADATA wsaData; 
	SOCKADDR_IN serverAddr; 
	SOCKET socketC; 
	char sendbuf[BUF_SIZE] = "Hello TCP World!"; 

	WSAStartup(MAKEWORD(1,1), &wsaData); 

	socketC = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); 

	serverAddr.sin_family = AF_INET; 
	serverAddr.sin_port = htons(5678); 
	serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 

	connect(socketC, (SOCKADDR*)&serverAddr, sizeof(serverAddr)); 

	send(socketC, sendbuf,sizeof(sendbuf), 0); 

	closesocket(socketC); 

	WSACleanup(); 
}

tcp_s.c

//文件:tcp_s.c
//描述:tcp服务器端源程序 

#include <stdio.h> 
#include <winsock2.h> 
#pragma comment(lib, "WS2_32.lib") 

#define BUF_SIZE 1024 
int main(int argc, char** argv) 
{ 
    WSADATA wsaData; 
    SOCKET  socketL;  // socket for listening 
    SOCKET  socketC;  // socket for Communication 
    SOCKADDR_IN serverAddr; 
    int nRet = -1; 
    char recvbuf[BUF_SIZE]; 

    WSAStartup(MAKEWORD(1,1), &wsaData); 

    socketL = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); 

    serverAddr.sin_family      = AF_INET; 
    serverAddr.sin_port        = htons(5678); 
    serverAddr.sin_addr.s_addr = htonl(INADDR_ANY); 

    bind(socketL, (SOCKADDR*)&serverAddr, sizeof(serverAddr)); 

    listen(socketL, 5); 

    socketC = accept(socketL, NULL, NULL); 
    if (socket != INVALID_SOCKET) 
    { 
        nRet = recv(socketC, recvbuf, sizeof(recvbuf), 0); 
        if (nRet > 0) 
            printf("%s ", recvbuf); 
    } 

    closesocket(socketC); 
    closesocket(socketL); 

    WSACleanup(); 
}

udp_c.c

//文件:udp_c.c
//描述:udp客户端源程序 

#include <stdio.h> 
#include <winsock2.h> 
#pragma comment(lib, "WS2_32.lib") 

#define BUF_SIZE 1024 
int main(int argc, char** argv) 
{ 
	WSADATA wsaData; 
	SOCKET  socketC; 
	SOCKADDR_IN serverAddr; 
	char sendbuf[BUF_SIZE] = "Hello UDP World!"; 

	WSAStartup(MAKEWORD(1,1), &wsaData); 

	socketC = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); 

	serverAddr.sin_family = AF_INET; 
	serverAddr.sin_port = htons(5679); 
	serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 

	sendto(socketC, sendbuf, sizeof(sendbuf), 0, (SOCKADDR*)&serverAddr, sizeof(serverAddr)); 

	closesocket(socketC); 

	WSACleanup(); 
}

udp_s.c

//文件:udp_s.c
//描述:udp服务器端源程序

#include <stdio.h> 
#include <winsock2.h> 
#pragma comment(lib, "WS2_32.lib") 

#define BUF_SIZE 1024 
int main(int argc, char** argv) 
{ 
    WSADATA wsaData; 
    SOCKET  socketC; 
    SOCKADDR_IN serverAddr; 
    char recvbuf[BUF_SIZE]; 

    WSAStartup(MAKEWORD(1,1), &wsaData); 

    socketC = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); 

    serverAddr.sin_family = AF_INET; 
    serverAddr.sin_port = htons(5679); 
    serverAddr.sin_addr.s_addr = htonl(INADDR_ANY); 

    bind(socketC, (SOCKADDR*)&serverAddr, sizeof(serverAddr)); 

    int nRet = recvfrom(socketC, recvbuf, sizeof(recvbuf), 0, 0, 0); 
    if (nRet > 0) 
        printf("%s ", recvbuf); 

    closesocket(socketC); 

    WSACleanup(); 
}