Time Server

Tody Guo 2010-05-31 05:05:37



#include <stdio.h>

#include <stdlib.h>

#include <io.h>

#include <windows.h>

#include <winsock.h>



#define PORT 8080

int x = 1;



void error(char *str)

{

	fprintf(stderr,"%s Error\n",str);

	exit(1);

}



DWORD WINAPI new_client_proc(LPVOID lpParam)

{

	SOCKET s = (SOCKET)(lpParam);

	char p[1024] = "Hi,\n My Client, I'm thread,\n Welcome you";

	SYSTEMTIME t;

	GetSystemTime(&t);

	

	sprintf(p,"%4d-%02d-%02d %02d:%02d:%02d.%d", t.wYear, t.wMonth,t.wDay, t.wHour, t.wMinute, t.wSecond, t.wMilliseconds);

	

	while( 1 )

	{



		if (x == 1){

			x = 0;

			if(send(s, p, strlen(p), 0) == -1 )

			{

				error("send()");

			}

			printf("Send ok");

			break;

		}

		Sleep(1);



	}

	x = 1;

	close(s);

	return 0;

}





int main(int argc, char* argv[])

{

	WSADATA WsaData;

	SOCKET sfd = 0;

	SOCKET nfd = 0;

	int len = 0;

	struct sockaddr_in server;

	struct sockaddr_in client;



	HANDLE hThread;

	DWORD Tid;





	if (WSAStartup(MAKEWORD(1,1),&WsaData) == -1)

	{

		error("WSAStartup()");

	}

	

	sfd = socket(AF_INET,SOCK_STREAM,0);

	if (sfd == -1)

	{

		error("socket()");

	}

	memset(&server,0,sizeof(server));

	server.sin_family = AF_INET;

	server.sin_port = htons(PORT);

	server.sin_addr.s_addr = htonl(INADDR_ANY);



	if (bind(sfd,(struct sockaddr *) & server, sizeof(struct sockaddr)) == -1)

	{

		error("bind()");

	}



	listen(sfd,5);



	printf("Now Server is running...\n");

	while (1)

	{

		len = sizeof(struct sockaddr);

		nfd = accept(sfd, (struct sockaddr *) &client, &len); //Waiting for Client connecting

		printf("Client: %s:%d -> \r",inet_ntoa(client.sin_addr), client.sin_port);



		hThread = CreateThread(NULL, 0, new_client_proc, (LPVOID)nfd, 0, &Tid);

		if (hThread == NULL) 

		{

			error("CreateThread()"); 

		}

	}



	WSACleanup();

	return 0;

}