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/* Copyright (C) 2022 The Qt Company Ltd.
*
* SPDX-License-Identifier: GPL-3.0-only WITH Qt-GPL-exception-1.0
*/
#pragma once
#include <iostream>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <unordered_set>
#define BUFFER_SIZE 1024
#define TRUE 1
#define FALSE 0
#define SOCKET_CLOSED_MSG "closed"
#define SOCKET_MAX_REACHED "clients_maxed_out"
#if __APPLE__ || __MACH__ || __linux__
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
#include <sys/time.h>
typedef int type_socket;
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
// Need to link with Ws2_32.lib
#pragma comment (lib, "Ws2_32.lib")
typedef SOCKET type_socket;
#endif
namespace QLicenseService {
class TcpServer
{
public:
explicit TcpServer(uint16_t serverPort);
~TcpServer();
bool init();
bool listenToClients(uint16_t &socketId, std::string *data);
int sendResponse(int socketIndex, const std::string &message);
void closeClientSocket(int socketIndex);
private:
uint16_t m_serverPort;
type_socket m_masterSocket;
std::unordered_set<type_socket> m_clientSocket;
int m_addrlen;
char m_buffer[BUFFER_SIZE]; // data buffer
fd_set m_readfds; // set of socket descriptors
struct sockaddr_in m_address;
void doCloseSocket(type_socket &socketFD);
bool generateSocketId(uint16_t &index);
};
} // namespace QLicenseService
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