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/*
* Copyright (C) 2022 by Andreas Theofilu <andreas@theosys.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __TSOCKET_H__
#define __TSOCKET_H__
#include <string>
#include <netdb.h>
#include <openssl/ssl.h>
class TSocket
{
public:
TSocket();
TSocket(const std::string& host, int port);
~TSocket();
bool connect(bool encrypt=false);
bool connect(const std::string& host, int port, bool encrypt=false);
size_t receive(char *buffer, size_t size, bool doPoll=true);
size_t readAbsolut(char *buffer, size_t size);
size_t send(char *buffer, size_t size);
bool close();
bool isConnected() { return mConnected; }
std::string& getMyIP() { return mMyIP; }
std::string& getMyHostName() { return mMyHostName; }
std::string& getMyNetmask() { return mMyNetmask; }
int retrieveSSLerror(int rcode) { return SSL_get_error(mSsl, rcode); }
int getSocket() { return mSockfd; }
static const size_t npos = static_cast<size_t>(-1);
protected:
struct addrinfo *lookup_host (const std::string& host, int port);
void initSSL();
SSL_CTX *initCTX();
void log_ssl_error();
bool isSockValid();
bool getHost();
bool determineNetmask(int socket);
private:
std::string mHost;
int mPort{0};
int mSockfd{-1};
bool mConnected{false};
bool mEncrypted{false};
bool mSSLInitialized{false};
SSL_CTX *mCtx{nullptr};
SSL *mSsl{nullptr};
std::string mUser;
std::string mPassword;
std::string mMyIP;
std::string mMyHostName;
std::string mMyNetmask;
};
#endif