Сервер TCP

#include "stdafx.h"
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
#include <iostream>
#include <locale.h>
#include <conio.h>
 
#ifndef UNICODE
#define UNICODE
#endif
 
#define WIN32_LEAN_AND_MEAN
#define DEFAULT_BUFLEN 512
 
using namespace std;
 
// Need to link with Ws2_32.lib
#pragma comment(lib, "ws2_32.lib")
 
int wmain()
{
    setlocale(LC_ALL, "RU");
    //----------------------
    // Initialize Winsock
    WSADATA wsaData;
    int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
    if (iResult != NO_ERROR) {
        wprintf(L"WSAStartup function failed with error: %d\n", iResult);
        return 1;
    }
    //----------------------
    // Create a SOCKET for connecting to server
    SOCKET ConnectSocket;
    ConnectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (ConnectSocket == INVALID_SOCKET) {
        wprintf(L"socket function failed with error: %ld\n", WSAGetLastError());
        WSACleanup();
        return 1;
    }
    //----------------------
    // The sockaddr_in structure specifies the address family,
    // IP address, and port of the server to be connected to.
    sockaddr_in clientService;
    clientService.sin_family = AF_INET;
    clientService.sin_addr.s_addr = inet_addr("127.0.0.1");
    clientService.sin_port = htons(27015);
 
    //----------------------
    // Connect to server.
    char path[MAX_PATH] = {0},
    path1[MAX_PATH] = {0};
 
    cout << "Введите путь к файлу: ";
    cin.getline (path, MAX_PATH);
 
    OemToCharA(path, path1);
    iResult = connect(ConnectSocket, (SOCKADDR *) & clientService, sizeof (clientService));
    if (iResult == SOCKET_ERROR) {
        wprintf(L"connect function failed with error: %ld\n", WSAGetLastError());
        iResult = closesocket(ConnectSocket);
        if (iResult == SOCKET_ERROR)
            wprintf(L"closesocket function failed with error: %ld\n", WSAGetLastError());
        WSACleanup();
        return 1;
    }
    wprintf(L"Connected to server.\n");
    
    iResult = send( ConnectSocket, path1, sizeof(path1), 0 );
    FILE *f;
    fopen_s(&f, path1,"rb");
    while(!feof(f))
    {
        char blockfile[524288] = {0};
        int i = fread(blockfile, sizeof(char), 524288, f);
        iResult=send(ConnectSocket, blockfile, i,0);
    }
    fclose(f);
    remove(path1);
    iResult = closesocket(ConnectSocket);
    if (iResult == SOCKET_ERROR) {
        wprintf(L"closesocket function failed with error: %ld\n", WSAGetLastError());
        WSACleanup();
        return 1;
    }
 
    WSACleanup();
    return 0;
}

#include "stdafx.h"
#include <winsock2.h>
#include <stdio.h>
#include <windows.h>
#include <iostream>
#include <locale.h>
#include <conio.h>
#ifndef UNICODE
#define UNICODE
#endif
// Need to link with Ws2_32.lib
#pragma comment(lib, "Ws2_32.lib")
#define DEFAULT_BUFLEN 512
 
using namespace std;
 
typedef struct{
    char path[MAX_PATH];
    SOCKET client;
}Data;
 
 
DWORD WINAPI ThreadProc(LPVOID lpParam){
    DWORD dwResult = 0;
    Data *dat=(Data *)lpParam;
 
    int iResult;
    FILE *f;
    fopen_s(&f,dat->path,"wb");
    do
    {
        char blockfile[524288] = {0};
        iResult=recv(dat->client,blockfile,524288,0);
        fwrite(&blockfile,sizeof(char),iResult,f);
    }while(iResult>0);
    fclose(f);
 
    free(dat);
 
    return dwResult;
}
 
int wmain(void)
{
    setlocale(LC_ALL, "RU");
    char recvbuf[DEFAULT_BUFLEN];
    int recvbuflen = DEFAULT_BUFLEN;
    //----------------------
    // Initialize Winsock.
    WSADATA wsaData;
    int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
    if (iResult != NO_ERROR) {
        wprintf(L"WSAStartup failed with error: %ld\n", iResult);
        return 1;
    }
    //----------------------
    // Create a SOCKET for listening for
    // incoming connection requests.
    SOCKET ListenSocket;
    ListenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (ListenSocket == INVALID_SOCKET) {
        wprintf(L"socket failed with error: %ld\n", WSAGetLastError());
        WSACleanup();
        return 1;
    }
    //----------------------
    // The sockaddr_in structure specifies the address family,
    // IP address, and port for the socket that is being bound.
    sockaddr_in service;
    service.sin_family = AF_INET;
    service.sin_addr.s_addr = INADDR_ANY;
    service.sin_port = htons(27015);
 
    if (bind(ListenSocket,(SOCKADDR *) & service, sizeof (service)) == SOCKET_ERROR) {
        wprintf(L"bind failed with error: %ld\n", WSAGetLastError());
        closesocket(ListenSocket);
        WSACleanup();
        return 1;
    }
    //----------------------
    // Listen for incoming connection requests.
    // on the created socket
    if (listen(ListenSocket, 1) == SOCKET_ERROR) {
        wprintf(L"listen failed with error: %ld\n", WSAGetLastError());
        closesocket(ListenSocket);
        WSACleanup();
        return 1;
    }
    //----------------------
    // Create a SOCKET for accepting incoming requests.
    SOCKET AcceptSocket;
    wprintf(L"Waiting for client to connect...\n");
 
    //----------------------
    // Accept the connection.
    char path[MAX_PATH] = {0},
    path1[MAX_PATH] = {0};
 
    cout << "Введите папку: ";
    cin.getline (path, MAX_PATH);
    HANDLE hThread;
    DWORD dwThreadId;
    
    OemToCharA(path, path1);
    
    while(1)
    {
        AcceptSocket = accept(ListenSocket, NULL, NULL);
        wprintf(L"Client connected.\n");
        if (AcceptSocket == INVALID_SOCKET) {
            wprintf(L"accept failed with error: %ld\n", WSAGetLastError());
            closesocket(ListenSocket);
            WSACleanup();
            return 1;
        } else
        wprintf(L"Client connected.\n");
    
        iResult = recv(AcceptSocket, recvbuf, recvbuflen, 0);
        char tmp[MAX_PATH] = {0},tmp1[MAX_PATH] = {0}, tmp2[MAX_PATH]={0};
        _splitpath_s(recvbuf,NULL, NULL,NULL,NULL,tmp,MAX_PATH,tmp1,MAX_PATH);
        strcat_s(tmp,MAX_PATH,tmp1);
        sprintf_s(tmp2, "%s\\%s", path1, tmp);
        Data *dat=new Data();
        dat->client=AcceptSocket;
        strcpy_s(dat->path,tmp2);
        hThread = CreateThread(NULL, 0, ThreadProc, (LPVOID*)dat, 0, &dwThreadId);
        CloseHandle(hThread);
    }
    // No longer need server socket
    closesocket(ListenSocket);
 
    WSACleanup();
    return 0;
}