webserver 1.0

#include <WinSock2.h>
#include <iostream>


#pragma comment (lib,"ws2_32.lib")
using namespace std;

WSADATA w;
DWORD dwTemp,FileSize = 0;
HANDLE io;
static char *bodyhtml;
SOCKET SockListen ;
sockaddr_in addr = { AF_INET ,htons(80) ,htonl(INADDR_ANY), };





void ReadFileHTML(wchar_t str[])
{
	string send;
	DWORD dwCounter;
	io = CreateFile(str, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	FileSize = GetFileSize(io, NULL);
	bodyhtml = new char[FileSize +1];
	ReadFile(io, bodyhtml, FileSize, &dwTemp, NULL);
	bodyhtml[FileSize] = 0;
	CloseHandle(io);	
	cout << "!!!!!!!!!!!!!!!!   " << bodyhtml[0] << endl;
}

void screen()
{
	system("cls");
	system("color 1B");
	io = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD cursorPos;
	COORD OldCursorPos;
	CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
	GetConsoleScreenBufferInfo(io, &csbiInfo);
	OldCursorPos.X = csbiInfo.dwCursorPosition.X;
	OldCursorPos.Y = csbiInfo.dwCursorPosition.Y+1;
	cursorPos.X = csbiInfo.srWindow.Right - strnlen_s(" console top= ",200) - strnlen_s(" console shirina = ", 200)-sizeof(csbiInfo.srWindow.Bottom);
	cursorPos.Y = 0;
	SetConsoleCursorPosition(io, cursorPos);
	cout << " console top= " << csbiInfo.srWindow.Bottom << " console shirina= " << csbiInfo.srWindow.Right << endl;
	cursorPos.X = csbiInfo.srWindow.Right - strnlen_s("file size = ", 200)-3;
	cursorPos.Y = 24;
	SetConsoleCursorPosition(io, cursorPos);
	cout << "file size = " << FileSize;
	SetConsoleCursorPosition(io, OldCursorPos);
}

void WSAStart()
{
	cout << "Server started!" << endl;
	WORD verWSAData = MAKEWORD(02, 02);
	int error = WSAStartup(verWSAData, &w);
	uint8_t minor = w.wVersion & 0xFF;
	uint8_t major = w.wVersion >> 8;
	error = (int)minor;
	cout << "version =  " << error;
	error = (int)major;
	cout << "." << error << endl;
	SockListen = socket(AF_INET, SOCK_STREAM, 0);
	bind(SockListen, (LPSOCKADDR)&addr, sizeof(addr));
}

int countMass(char str[])
{
	int wordsize = 0;
	while (str[wordsize] != NULL) ++wordsize;
	return wordsize;
}

void findandreplace(char str[],int num)
{
	char test[6];
	_itoa_s(num, test, 10);
	int wordsize = countMass(str);
	int countofinput = countMass(test);
	int EndSize = FileSize - wordsize + countofinput;
	
	char * vrem = new char[FileSize];
	strcpy_s(vrem,(FileSize+1), bodyhtml);	
	delete []bodyhtml;
	
	bodyhtml = new char[EndSize];

	
	//cout << vrem << endl;
	//cout << "test " << test << endl;
	//cout << endl;
	int b = 0;
	int kol = 0;
	for (int i = 0; i < FileSize+1; i++)
	{
		if (vrem[i] == str[kol]) {		
			if (kol == wordsize-1 ) {

				for (int z = 0; z <countofinput; ++z)
				{
					bodyhtml[i - wordsize+1+z] = test[z];
			//		cout << bodyhtml[i - wordsize+1 + z];						
				}
				b = countofinput - wordsize;
				kol = 0;
			}
			else kol++;
		}
		else
		{
			if (kol != 0) kol = 0;
			bodyhtml[i+b] = vrem[i];
		//	cout << bodyhtml[i];
		}
	}

//	printf(bodyhtml);	
//	cout << "itog " << countMass(bodyhtml) << " raz!  " <<" razmer slova = "<< wordsize<< " slovo = "<< str<<  endl;
	
	
}
int main()
{	
	
	ReadFileHTML(L"HTTPhead");
	screen();
	findandreplace("%i", 110);

	WSAStart();	
	listen(SockListen, 30);


	int numberofclients = 0;
	SOCKET client[10];
	sockaddr client_sock[10];
	char reciver[400];
	while (numberofclients < 10)
	{
		client[numberofclients+1] = accept(SockListen, (LPSOCKADDR)&client_sock[numberofclients], NULL);
		if (client[numberofclients+1] == INVALID_SOCKET)
		{ // ошибка соединения
			WSACleanup();
			return 0;
		}
		else
		{ // клиент успешно присоединился
		  // запускаем поток для связи с клиентом
			cout << "Player joined! " << numberofclients + 1 << endl;
			char buffer[2];
			recv(client[numberofclients + 1], reciver, 300, 0);
			int stringlen = strlen(reciver);
			cout <<stringlen<<"   "<< reciver << endl;
			ReadFileHTML(L"index.html");
			int size = FileSize;
			cout << FileSize;
			ReadFileHTML(L"HTTPhead");

			findandreplace("%i", size);
			send(client[numberofclients + 1], bodyhtml, FileSize, NULL);
			send(client[numberofclients + 1], "\r\n\r\n\r\n", 6, NULL);
			printf(bodyhtml);
			ReadFileHTML(L"index.html");
			send(client[numberofclients + 1], bodyhtml, FileSize, NULL);
			cout << " answer file size "<< 110 << endl;
			printf(bodyhtml);
			
			numberofclients++;
		}
	}


	
	recv(SockListen, reciver, 300, 0);
	cout << reciver << endl;
	system("pause");
	shutdown(SockListen, SD_SEND);
	closesocket(SockListen);
	WSACleanup(); // выгружаем  ws2_32.dll
	
	
	SetConsoleTextAttribute(io, BACKGROUND_BLUE | FOREGROUND_RED | FOREGROUND_INTENSITY);
	printf("Test string: red on blue\n");
	printf("dasdasdsdasdada    ");
	
	//printf("%d %d", csbiInfo.dwCursorPosition.X, csbiInfo.dwCursorPosition.Y);
	

	// Повторяем с другими координатами...
	//cursorPos.X = 15;
	//cursorPos.Y = 8;
	//SetConsoleCursorPosition(io, cursorPos);
	cout << "t   ";
	printf("Test string at position (15, 8)");
	//delete[] virgRDWRBuff;
	getchar();
	return 0;
}