// send_server.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <WinSock2.h>#include <stdio.h>#pragma comment(lib,"ws2_32.lib")int main(int argc,char** argv){	WSADATA wsadata;	if (WSAStartup(MAKEWORD(2,2),&wsadata) == -1)	{		printf("wsastartup error\r\n");	}	SOCKET server;	server = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);	if (server == SOCKET_ERROR)	{		printf("server socket start error\r\n");		return 0;	}	sockaddr_in server_service;	server_service.sin_family = AF_INET;	server_service.sin_port = htons(8000);	server_service.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");	if (bind(server,(sockaddr*)&server_service,sizeof(server_service)) == SOCKET_ERROR)	{		printf("Bind Port error\r\n");		return 0;	}	if (listen(server,5) == SOCKET_ERROR)	{		printf("Listen client error\r\n");		return 0;	}	SOCKET acceptsocket;	printf("wait accept recv data\r\n");	while (1)	{		acceptsocket = SOCKET_ERROR;		while (acceptsocket == SOCKET_ERROR)		{			acceptsocket = accept(server,NULL,NULL);		}		printf("Client connetcd\r\n");		server = acceptsocket;		break;	}	char sendbuf[1024] = {0};	DWORD dwread;	BOOL bret;	char filename[] = "test.exe";	HANDLE hfile = CreateFileA(filename,GENERIC_READ,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);	while (true)	{		bret = ReadFile(hfile,sendbuf,1024,&dwread,NULL);		if (bret == false)		{			printf("read file error\r\n");			break;		}		else if (dwread == 0)		{			printf("send file ok");			break;		}else		{			send(server,sendbuf,dwread,0);		}	}	CloseHandle(hfile);	WSACleanup();	return 0;}

// send_client.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <stdio.h>#include <WinSock2.h>#pragma comment(lib,"ws2_32.lib")int main(){	WSADATA wsadata;	int iResult = WSAStartup(MAKEWORD(2,2),&wsadata);	if (iResult != NO_ERROR)	{		printf("Errpr at wsastartup\r\n");	}	SOCKET client;	client = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);	if (client == INVALID_SOCKET)	{		printf("error at socket():%ld\r\n",WSAGetLastError());		WSACleanup();		return 0;	}	sockaddr_in clientService;	clientService.sin_family = AF_INET;	clientService.sin_port = htons(8000);	clientService.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");	if (connect(client,(SOCKADDR*)&clientService,sizeof(clientService)) == SOCKET_ERROR)	{		printf("Faied to error\r\n");		WSACleanup();		return 0;	}	char recvbuf[1024] = {0};	int read;	DWORD dwWrite;	BOOL bRet;	char filename[] = "test.exe";	HANDLE hfile = CreateFileA(filename,GENERIC_WRITE,0,0,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);	while (true)	{		read = recv(client,recvbuf,1024,0);		if (read ==-1)		{			break;		}		bRet = WriteFile(hfile,recvbuf,read,&dwWrite,NULL);		if (bRet == FALSE)		{			MessageBoxW(NULL,_T("Write buffer error\r\n"),NULL,MB_OK);		}	}	MessageBoxW(NULL,_T("write buffer susccess\r\n"),NULL,MB_OK);	return 0;}