labudp_klient

#include "stdafx.h"
#include <winsock.h>
#include <iostream>
#include <vector>
#include <sstream>

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

struct wspolrzedne
{
	double x, y;
};

void parseData(stringstream &konwerter, wspolrzedne &wsp, int i)
{

	while (i--)
	{

		string buff, value1, value2;
		konwerter >> buff;
		if (i == 1)
		{

			value1 = buff.substr(buff.find('(') + 1, buff.find(",") - 1);
			//buff = buff.substr(0, buff.find('('));
			wsp.x = atof(value1.c_str());

		}
		if (i == 0)
		{
			value2 = buff.substr(buff.find(' ') + 1, buff.find(")") - buff.find(" ") - 1);
			wsp.y = atof(value2.c_str());
		}
	}

}

int main()
{
	WSADATA wsaData;

	int result = WSAStartup(MAKEWORD(2, 2), &wsaData);
	if (result != NO_ERROR)
	{
		cout << "\nBiblioteka WinSock zainicjalizowana niepoprawnie. Kod bledu: " + WSAGetLastError() << endl;
		return 0;
	}
	cout << "\nBiblioteka WinSock zainicjalizowana poprawnie." << endl;

	char sendBuff[1024];
	char receiveBuff[1024];
	int SenderAddrSize;
	int iResult;
	SOCKET _socket = INVALID_SOCKET;
	sockaddr_in sockAddr;
	_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if (_socket == INVALID_SOCKET)
	{
		cout << "\nGniazdo utworzone niepoprawnie. Kod bledu: " + WSAGetLastError() << endl;
		WSACleanup();
		return 0;
	}
	cout << "\nGniazdo utworzone poprawnie." << endl;

	sockAddr.sin_family = AF_INET;
	sockAddr.sin_port = htons(7404);
	sockAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
	SenderAddrSize = sizeof(sockAddr);

	while (true)
	{
		printf("\n\n> ");
		cin >> sendBuff;
		//if (strcmp(sendBuff, "exit") == 0)
		//	break;

		iResult = sendto(_socket, sendBuff, 1024, 0, (SOCKADDR *)& sockAddr, sizeof(sockAddr));
		if (iResult == SOCKET_ERROR)
		{
			cout << "\nNieudana proba wyslania datagramu. Kod bledu: " + WSAGetLastError() << endl;
			continue;
		}

		if (strcmp(sendBuff, "exit") == 0)
			break;
		const int size = 20;
		double liczby[size];
		if(strcmp(sendBuff, "TEXT") == 0) iResult = recvfrom(_socket, (char*)receiveBuff, 1024, 0, (SOCKADDR *)& sockAddr, &SenderAddrSize);
		//else if(strcmp(sendBuff, "BIN") == 0) iResult = recvfrom(_socket, (char*)&liczby, sizeof(double) * size, 0, (SOCKADDR *)& sockAddr, &SenderAddrSize);
		if (iResult == SOCKET_ERROR)
		{
			cout << "\nNieudana proba odebrania datagramu. Kod bledu: " + WSAGetLastError() << endl;
			continue;
		}

		if (strncmp(receiveBuff, "UNKNOWN COMMAND", 15) == 0)
		{
			printf("\nNie rozpoznano komendy\n");
			continue;
		}

		stringstream konwerter = stringstream(receiveBuff);
		cout << konwerter.str() << endl;
		char typ;
		konwerter >> typ;

		if (typ == 'T')
		{
			vector<double> liczby;
			while (!konwerter.eof())
			{
				static double number;
				konwerter >> number;
				liczby.push_back(number);
			}

			int sum = 0;

			for (int i = 0; i < liczby.size(); i++)
			{
				sum += liczby[i];
			}
			cout << "calkowity czas: " << sum << "s" << endl;

		}

		else if (typ == 'M')
		{
			wspolrzedne wsp[20];
			int i = 0;
			while (!konwerter.eof())
			{
				parseData(konwerter, wsp[i], 2);
				printf("\nOdebrano: x = %.2f y = %.2f", wsp[i].x, wsp[i].y);
				i++;
			}
			cout << endl << "elementy: " << i << endl;
			for (int j = 0; j < i; j++)
			{
				printf("sprawdzenie: x = %.2f y = %.2f\n",wsp[j].x, wsp[j].y);
			}
			double droga = 0;
			for (int j = 0; j < i-1; j++)
			{
				double dr = sqrt(((wsp[j + 1].x - wsp[j].x)*(wsp[j + 1].x - wsp[j].x)) + ((wsp[j + 1].y - wsp[j].y)*(wsp[j + 1].y - wsp[j].y)));
				droga += dr;
			}
			cout << endl << endl << "odleglosc: " << droga << endl;

		}


	}
	shutdown(_socket, 2);
	iResult = closesocket(_socket);
	if (iResult == SOCKET_ERROR)
	{
		cout << "Nieudana proba zamknięcia gniazda. Kod bledu: %d" + WSAGetLastError() << endl;
	}

	WSACleanup();
	cout << "\nUsunieto z pamieci biblioteke WinSock." << endl;
    return 0;
}