text: /*
   * Copyright (c) 2017 Justin Crawford and NamedKitten
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of
   * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included
   * in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  #pragma once
  // For inet_ntop and inet_pton
  #include <arpa/inet.h>
  // For SSL
  #include <openssl/ssl.h>
  #include <openssl/err.h>
  #include <cassert>
  #include <cstring>
  #include <vector>
  #include <string>
  
  typedef union {
  	struct sockaddr_in ipv4;
  	struct sockaddr_in6 ipv6;
  	struct sockaddr sa;
  } sockaddr_t;
  
  class SecureConnectionSocket
  {
  protected:
  	// The file descriptor of our socket.
  	int fd;
  	// The address we're connected to.
  	std::string address;
  	// Port we're using.
  	std::string port;
  	// OpenSSL contexts
  	SSL_CTX *ctx;
  	SSL *ssl;
  public:
  	// Constructors/destructors
  	SecureConnectionSocket() = delete; // We delete this constructor to prevent opject copies.
  	SecureConnectionSocket(const std::string &address, const std::string &port);
  	~SecureConnectionSocket();
  
  	// Control functions.
  	void Connect();
  
  	// Read and write functions.
  	size_t Write(const void *data, size_t len);
  	void Read(void *data, size_t *len);
  
  	// Getters/setters.
  	inline std::string GetAddress() const { return this->address; }
  	inline std::string GetPort() const { return this->port; }
  	inline int GetFD() const { return this->fd; }
  };
  