#include?“stdafx.h“
#include?
#include?
#pragma?comment（lib“WS2_32.lib“）

#define?BUF_SIZE?1024
void?main（void）
{
???WSADATA??????????????wsaData;
???SOCKET???????????????ListeningSocket;
???SOCKET???????????????NewConnection;
???SOCKADDR_IN??????????ServerAddr;
???SOCKADDR_IN??????????ClientAddr;
???int??????????????????ClientAddrLen;
???int??????????????????Port?=?5150;
???int??????????????????Ret;
???char?????????????????DataBuffer[?BUF_SIZE];

???//?Initialize?Winsock?version?2.2

???if?（（Ret?=?WSAStartup（MAKEWORD（22）?&wsaData））?!=?0）
???{
??????//?NOTE:?Since?Winsock?failed?to?load?we?cannot?use?WSAGetLastError?
??????//?to?determine?the?error?code?as?is?normally?done?when?a?Winsock?
??????//?API?fails.?We?have?to?report?the?return?status?of?the?function.

??????printf（“WSAStartup?failed?with?error?%d\n“?Ret）;
??????return;
???}
???printf（“successful?1\n“）;
???//?Create?a?new?socket?to?listening?for?client?connections.
?
???if?（（ListeningSocket?=?socket（AF_INET?SOCK_STREAM?IPPROTO_TCP））?
???????==?INVALID_SOCKET）
???{
??????printf（“socket?failed?with?error?%d\n“?WSAGetLastError（））;
??????WSACleanup（）;
??????return;
???}?
???printf（“successful?2\n“）;
???//?Setup?a?SOCKADDR_IN?structure?that?will?tell?bind?that?we
???//?want?to?listen?for?connections?on?all?interfaces?using?port
???//?5150.?Notice?how?we?convert?the?Port?variable?from?host?byte
???//?order?to?network?byte?order.

???ServerAddr.sin_family?=?AF_INET;
???ServerAddr.sin_port?=?htons（Port）;????
???ServerAddr.sin_addr.s_addr?=?htonl（INADDR_ANY）;

???//?Associate?the?address?information?with?the?socket?using?bind.
???printf（“successful?3\n“）;
???if?（bind（ListeningSocket?（SOCKADDR?*）&ServerAddr?sizeof（ServerAddr））?
???????==?SOCKET_ERROR）
???{
??????printf（“bind?failed?with?error?%d\n“?WSAGetLastError（））;
??????closesocket（ListeningSocket）;
??????WSACleanup（）;
??????return;
???}
???printf（“successful?4\n“）;
???//?Listen?for?client?connections.?We?used?a?backlog?of?5?which?is
???//?normal?for?many?applications.

???if?（listen（ListeningSocket?5）?==?SOCKET_ERROR）
???{
??????printf（“listen?failed?with?error?%d\n“?WSAGetLastError（））;
??????closesocket（ListeningSocket）;
??????WSACleanup（）;
??????return;
???}?

???printf（“We?are?awaiting?a?connection?on?port?%d.\n“?Port）;

???//?Accept?a?new?connection?when?one?arrives.
???
???ClientAddrLen=sizeof（ServerAddr）;
???printf（“successful?5\n“）;
???if?（（NewConnection?=?accept（ListeningSocket?（SOCKADDR?*）?&ClientAddr
???????????????????????????????&ClientAddrLen））?==?INVALID_SOCKET）
???{
??????printf（“accept?failed?with?error?%d\n“?WSAGetLastError（））;
??????closesocket（ListeningSocket）;
??????WSACleanup（）;
??????return;
???}


???printf（“We?successfully?got?a?connection?from?%s:%d.\n“
??????????inet_ntoa（ClientAddr.sin_addr）?ntohs（ClientAddr.sin_port））;

???//?At?this?point?you?can?do?two?things?with?these?sockets.?Await

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????7079??2014-10-14?18:55??guess\w.cpp
?????文件????????3758??2014-10-14?18:55??guess\ws.cpp
?????目錄???????????0??2014-11-03?20:04??guess\