// default constructor - no socket created because type is unknown
Socket();
Socket::initSocket(domain, type, protocol); // creates socket

// create socket from previously created file descriptor
Socket(int);

// create socket of the given type - NOTE: This returns a Socket class type that is not a Tcp or Udp socket class
Socket(domain, type, protocol);

// default no IP/port bound but TCP socket created
TcpServer(); 

// TCP socket created, IP/port bound, but not listening
TcpServer(const uint16_t port, const std::string& ipAddr = "0.0.0.0");

// TCP socket created, IP/port bound, and listening for clients
TcpServer(const std::string& ipAddr, const uint16_t port, const int backlog);

// default TCP socket created but no server connection
TcpClient();

// create TcpClient with given TCP socket file descriptor
TcpClient(const int filedescriptor);

// TcpClient connected to a TcpServer IP/port
TcpClient(const std::string& ipAddr, const uint16_t port);

// Create a SSL TCP Server not bound to IP/port
SecureTcpServer(const std::string& keyFile, const std::string& certFile);

// Create a SSL TCP Server bound to a given port and IP or default IP
SecureTcpServer(const std::string& keyFile, const std::string& certFile, const uint16_t port, const std::string& ipAddr = "0.0.0.0");

// create a SSL TCP client with a given SSL context - used with SecureTcpServer::accept return
SecureTcpClient(const int filedescriptor, SSL_CTX *sslctx);

// create a SSL TCP client connected to a SSL TCP server
SecureTcpClient(const std::string& ipAddr, const uint16_t port);

// Client

// Connect to TCP server on IP 127.0.0.1 and port 54321
TcpClient client("127.0.0.1", 54321);

// default no IP/port bound but UDP socket created
UdpServer(); 

// UDP server socket created, IP/port bound
UdpServer(const uint16_t port, const std::string &ipAddr = "0.0.0.0");

// default UDP socket created but no server connection
UdpClient();

// UdpClient connected to a UdpServer IP/port
UdpClient(const std::string& ipAddr, const uint16_t port) noexcept(false)

// Create a SSL UDP Server not bound to IP/port
SecureUdpServer(const std::string& keyFile, const std::string& certFile);

// Create a SSL UDP Server bound to a given port and IP or default IP
SecureUdpServer(const std::string& keyFile, const std::string& certFile, const uint16_t port, const std::string& ipAddr = "0.0.0.0");

// Create a SSL UDP Client not attempting to connect to a SSL UDP Server (need to call SecureUdpClient::connect(IP, port) to connect)
SecureUdpClient(const std::string& keyFile, const std::string& certFile);

// create a SSL UDP client connected to a given SSL UDP server waiting in a SecureUdpServer::accept call on the given IP and port
SecureUdpClient(const std::string& ipAddr, const uint16_t port, const std::string& keyFile, const std::string& certFile);