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ConsoleServer.cpp
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ConsoleServer.cpp
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#include <iostream>
#pragma comment(lib, "ws2_32.lib")
#include <WinSock2.h>
#include <WS2tcpip.h>
#include <Windows.h>
#include <fstream>
#include <string>
#define WIN32_LEAN_AND_MEAN
using namespace std;
int shutDown(ADDRINFO* addrResult, SOCKET& Connection)
{
closesocket(Connection);
Connection = INVALID_SOCKET;
freeaddrinfo(addrResult);
WSACleanup();
return 1;
}
void createFile(string path, char* recvBuffer)
{
ofstream out;
path += "file.txt";
out.open(path);
if (out.is_open())
{
cout << "Saving file...\n";
out << recvBuffer << endl;
}
cout << "File has been created" << endl;
return;
}
string getFile(string path)
{
path += "file.txt";
string file;
ifstream in(path);
if (in.is_open())
{
cout << "Sending file...\n";
getline(in, file);
}
else
{
cout << "Error" << endl;
return string();
}
in.close();
return file;
}
int main()
{
WSAData wsaData;
WORD DLLVersion = MAKEWORD(2, 1);
ADDRINFO hints;
ADDRINFO* addrResult = nullptr;
SOCKET ClientSocket = INVALID_SOCKET;
SOCKET ListenSocket = INVALID_SOCKET;
string fileStorage = "G:/VS/ConsoleServer/Files/";
const int bufferSize = 100000;
char sendBuffer[bufferSize];
char recvBuffer[bufferSize];
int iResult = WSAStartup(DLLVersion, &wsaData);
if (iResult != 0)
{
cout << "Error" << endl;
return 1;
}
ZeroMemory(&hints, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_flags = AI_PASSIVE;
iResult = getaddrinfo(nullptr, "1111", &hints, &addrResult);
if (iResult != 0)
{
cout << "getaddrinfo failed with error: " << iResult << endl;
WSACleanup();
return 1;
}
ListenSocket = socket(addrResult->ai_family, addrResult->ai_socktype, addrResult->ai_protocol);
if (ListenSocket == INVALID_SOCKET)
{
cout << "Socket creation failed" << endl;
return shutDown(addrResult, ListenSocket);
}
iResult = bind(ListenSocket, addrResult->ai_addr, (int)addrResult->ai_addrlen);
if (iResult == SOCKET_ERROR)
{
cout << "Unable to bind socket" << endl;
return shutDown(addrResult, ListenSocket);
}
iResult = listen(ListenSocket, SOMAXCONN);
if (iResult == SOCKET_ERROR)
{
cout << "Listening socket failed" << endl;
return shutDown(addrResult, ListenSocket);
}
cout << "Connected\n";
ClientSocket = accept(ListenSocket, nullptr, nullptr);
if (ClientSocket == INVALID_SOCKET)
{
cout << "Accepting socket failed" << endl;
return shutDown(addrResult, ClientSocket);
}
closesocket(ListenSocket);
ZeroMemory(recvBuffer, sizeof(recvBuffer));
iResult = recv(ClientSocket, recvBuffer, sizeof(recvBuffer), 0);
if (iResult > 0)
{
cout << "Received " << iResult << " bytes\n";
createFile(fileStorage, recvBuffer);
}
ZeroMemory(recvBuffer, sizeof(recvBuffer));
iResult = recv(ClientSocket, recvBuffer, sizeof(recvBuffer), 0);
if (iResult > 0)
{
if (strcmp(recvBuffer, "Client is ready\n") == 0)
{
string file = getFile(fileStorage);
if (file.empty())
{
strcpy_s(sendBuffer, string("Error path").c_str());
iResult = send(ClientSocket, sendBuffer, (int)strlen(sendBuffer), 0);
return shutDown(addrResult, ClientSocket);
}
strcpy_s(sendBuffer, file.c_str());
iResult = send(ClientSocket, sendBuffer, (int)strlen(sendBuffer), 0);
}
}
iResult = shutdown(ClientSocket, SD_SEND);
if (iResult == SOCKET_ERROR)
{
cout << "Shutdown client socket failed" << endl;
return shutDown(addrResult, ClientSocket);
}
shutDown(addrResult, ClientSocket);
cout << "Connection closed" << endl;
return 0;
}