// Overlpped_Server2.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <Winsock2.h>
#include <Windows.h>
#include <process.h>
#pragma comment(lib, "WS2_32.lib")
#define MAX_BUFFER 256
#define MAX_TIMEOUT 1000
typedef enum _OPERATION_INFO
{
OP_NULL,
OP_READ,
OP_WRITE
}OPERATIONINFO;
typedef struct _OVERLAPPED_INFO_
{
public:
_OVERLAPPED_INFO_()
{
Clean();
}
~_OVERLAPPED_INFO_()
{
Clean();
}
protected:
void Clean()
{
ol.hEvent = NULL;
sock = INVALID_SOCKET;
memset(&addr, 0, sizeof(addr));
addr.sin_addr.S_un.S_addr = INADDR_ANY;
addr.sin_family = AF_INET;
addr.sin_port = htons(0);
wsaBuf.buf = szBuf;
wsaBuf.len = MAX_BUFFER;
memset(szBuf, 0, sizeof(szBuf));
dwTrans = 0;
dwFlags = 0;
nOpType = OP_NULL;
}
public:
WSAOVERLAPPED ol;
SOCKET sock;
SOCKADDR_IN addr;
WSABUF wsaBuf;
char szBuf[MAX_BUFFER];
DWORD dwTrans;
DWORD dwFlags;
OPERATIONINFO nOpType;
}OVERLAPPEDINFO, *POVERLAPPEDINFO;
unsigned __stdcall ThreadProc(LPVOID lParam);
void CALLBACK CompleteRoutine(DWORD dwError, DWORD dwTrans, LPWSAOVERLAPPED Overlppad, DWORD dwFlags);
BOOL bExitThread = FALSE;
int g_nIndex = 0;
OVERLAPPEDINFO* g_ol[WSA_MAXIMUM_WAIT_EVENTS] = {0};
int _tmain(int argc, _TCHAR* argv[])
{
WSADATA wsaData;
if(0 != WSAStartup(MAKEWORD(2, 2), &wsaData))
{
printf("WSAStartup failed with error: %d/n", GetLastError());
return EXIT_FAILURE;
}
if(2 != HIBYTE(wsaData.wVersion) || 2 != LOBYTE(wsaData.wVersion))
{
printf("Socket version not supported./n");
WSACleanup();
return EXIT_FAILURE;
}
SOCKET sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(INVALID_SOCKET == sock)
{
printf("socket failed with error code: %d/n", WSAGetLastError());
WSACleanup();
return EXIT_FAILURE;
}
SOCKADDR_IN addr = {0};
addr.sin_family = AF_INET;
addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
addr.sin_port = htons(5050);
if(SOCKET_ERROR == bind(sock, (LPSOCKADDR)&addr, sizeof(addr)))
{
printf("bind failed with error code: %d/n", WSAGetLastError());
closesocket(sock);
sock = INVALID_SOCKET;
WSACleanup();
return EXIT_FAILURE;
}
if(SOCKET_ERROR == listen(sock, 5))
{
printf("listen failed with error code: %d/n", WSAGetLastError());
closesocket(sock);
sock = INVALID_SOCKET;
WSACleanup();
return EXIT_FAILURE;
}
HANDLE hThread = (HANDLE)_beginthreadex(NULL, 0, ThreadProc, NULL, 0, NULL);
SOCKADDR_IN remote = {0};
int len = sizeof(remote);
printf("Server start, wait for client to connect .../n");
while(TRUE)
{
SOCKET sNew = accept(sock, (LPSOCKADDR)&remote, &len);
if(INVALID_SOCKET == sNew)
{
printf("accept failed with error code: %d/n", WSAGetLastError());
continue;
}
printf("Client