(C++) IrcBot

 

 

IrcBot is a class for an IRC bot. Its default name is 'lambda'.

Technical facts

 

 

 

 

 

 

./CppIrcBot/CppIrcBot.pri

 

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INCLUDEPATH += \     ../../Classes/CppIrcBot SOURCES += \     ../../Classes/CppIrcBot/ircbot.cpp HEADERS  += \     ../../Classes/CppIrcBot/ircbot.h OTHER_FILES += \     ../../Classes/CppIrcBot/Licence.txt

 

 

 

 

 

./CppIrcBot/ircbot.h

 

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//Inspired by Quxbot, developed by Viderizer and Tyler Allen #include <fstream> #include <functional> #include <string> #include <vector> struct IrcBot {   IrcBot(   const std::string& bot_name,   const std::string& channel_name,   const int port,   const std::string& server_name,   const std::function<const std::vector<std::string>(const std::string& input)>& respond_function);   private:   const std::string ReadLine() const;   void Send(const std::string& text);   mutable std::fstream m_log_file;   int m_socket_index; };

 

 

 

 

 

./CppIrcBot/ircbot.cpp

 

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//Inspired by Quxbot, developed by Viderizer and Tyler Allen #include <ircbot.h> #include <fstream> #include <stdexcept> #include <netdb.h> #include <boost/lexical_cast.hpp> IrcBot::IrcBot(   const std::string& bot_name,   const std::string& channel_name,   const int port,   const std::string& server_name,   const std::function<const std::vector<std::string>(const std::string& input)>& respond_function)   : m_log_file("log_lambdabot.txt"),     m_socket_index{-1} {   const std::string port_str = boost::lexical_cast<std::string>(port);   addrinfo hints;   memset(&hints, 0, sizeof(hints)); // make sure the struct is empty   hints.ai_family   = AF_UNSPEC; // don't care IPv4 or IPv6   hints.ai_socktype = SOCK_STREAM; // TCP stream sockets   addrinfo *servinfo = 0;   if (const int res = getaddrinfo(const_cast<char*>(server_name.c_str()), const_cast<char*>(port_str.c_str()), &hints, &servinfo))   {     const std::string s = std::string("getaddrinfo: ") + std::string(gai_strerror(res));     throw std::runtime_error(s);   }   m_socket_index = socket(servinfo->ai_family, servinfo->ai_socktype, servinfo->ai_protocol);   if (m_socket_index == -1)   {     std::perror("client: socket");     const std::string s = "client: socket";     throw std::runtime_error(s);   }   if (connect(m_socket_index, servinfo->ai_addr, servinfo->ai_addrlen) == -1)   {     close(m_socket_index);     std::perror("client: connect");     const std::string s = "client: connect";     throw std::runtime_error(s);   }   freeaddrinfo(servinfo);   for (int count = 0; ; ++count)   {     std::cout << count << std::endl;     switch (count)     {       case 2: //Note: must be 2 on e.g. irc.freenode.net       {         const std::string nickname_str = "NICK " + bot_name;         Send(nickname_str);         const std::string user_str = "USER " + bot_name + " tolmoon tolsun :" + bot_name;         Send(user_str);       }       break;       case 3: //Note: must be 3 on e.g. irc.freenode.net       {         const std::string joinmsg = "JOIN " + channel_name;         Send(joinmsg);         break;       }       default:         break;     }     //Read text from IRC     const std::string line { ReadLine() };     if (line.find("PING") != std::string::npos)     {       const std::string msg = std::string("PONG");       Send(msg);       continue;     }     if (1 == 2 && line.find("266") != std::string::npos)     {       const std::string joinmsg = "JOIN " + channel_name;       Send(joinmsg);       continue;     }     if (1 == 1 && line.find("Found your hostname") != std::string::npos)     {       const std::string connect_str = "/connect " + server_name + "/6697 -ssl";       Send(connect_str);       continue;     }     if (1==2)     {       const std::string nickname_str = "NICK " + bot_name;       Send(nickname_str);       const std::string user_str = "USER " + bot_name + " tolmoon tolsun :" + bot_name;       Send(user_str);     }     const std::vector<std::string> response = respond_function(line);     for (const std::string& s: response)     {       const std::string msg = std::string("PRIVMSG ")         + channel_name + std::string(" :") + s;       Send(msg.c_str());     }     if (line.empty() == true)     {       m_log_file << "CONNECTION CLOSED" << std::endl;       std::clog << "CONNECTION CLOSED" << std::endl;       break;     }   }   close(m_socket_index); } const std::string IrcBot::ReadLine() const {   const int max_data_size = 1024;   char buf[max_data_size];   std::cout << "Start reading line" << std::endl;   const int numbytes = recv(m_socket_index, buf, max_data_size-1, 0);   buf[numbytes] = '\0';   const std::string line{buf};   m_log_file << "Received: '" << line << "\'\n";   std::clog << "Received: '" << line << "\'" << std::endl;   return line; } void IrcBot::Send(const std::string& s) {   const std::string t = s + "\r\n";   m_log_file << "Sent: '" << s << '\'' << std::endl;   std::clog << "Sent: '" << s << '\'' << std::endl;   send(m_socket_index,t.c_str(),t.size(),0); }