Errors.h

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/*
    mySocket, Errors
    Copyright (C) 2006  Kornel Csernai <csko@csko.hu>

    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 2 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 St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifndef ERRORS_H
#define ERRORS_H
#include <iostream>


enum SErrCode {

  SOCKET_FAILED=01,
  WRONG_SOCKET_TYPE,
  ALREADY_HAVE_SOCKET,
  BIND_FAILED,
  CONNECT_FAILED,
  NONBLOCK_FAILED, // ConnectSocket
  LISTEN_FAILED,
  ACCEPT_FAILED,
  READ_FAILED,
  WRITE_FAILED,
  SOCKETHANDLING_FAILED,
  SELECT_FAILED,
  RESOLV_FAILED,
  SOCKET_CLOSED,
  SOCKET_DISCONNECTED, // at Write(), Read()
  BIND_FIRST, // at Listen()
  NOT_RUNNING, // ListenServer
  ALREADY_RUNNING, // ListenServer
  CAST_FAILED, // SocketHandler
  WSA_FAILED,
  NO_SSL,
  SSL_FAILED,
  SSL_CONNECT_FAILED

  };


struct SocketError {

    SErrCode code;
    char* desc;

  };

const SocketError SErrors[] = {

  SOCKET_FAILED,        "socket() failed",
  WRONG_SOCKET_TYPE,    "wrong socket type",
  ALREADY_HAVE_SOCKET,  "class already ha a socket",
  BIND_FAILED,          "bind() failed",
  CONNECT_FAILED,       "connect() failed",
  NONBLOCK_FAILED,      "setting non-blocking mode failed",
  LISTEN_FAILED,        "listen() failed",
  ACCEPT_FAILED,        "accept() failed",
  READ_FAILED,          "recv() failed",
  WRITE_FAILED,         "send() failed",
  SOCKETHANDLING_FAILED,"failed to handle the sockets with SocketHandler instance",
  SELECT_FAILED ,       "failed to select()",
  RESOLV_FAILED,        "resolving the hostname failed",
  SOCKET_CLOSED,        "socket is closed",
  SOCKET_DISCONNECTED,  "socket is disconnected",
  BIND_FIRST,           "do a bind() first",
  NOT_RUNNING,          "server not running",
  ALREADY_RUNNING,      "server already running",
  CAST_FAILED,          "failed to cast",
  WSA_FAILED,           "failed to do WSAStartup()",
  NO_SSL,               "no SSL support",
  SSL_FAILED,           "SSL failed",
  SSL_CONNECT_FAILED,   "failed to do connect with SSL",

  (SErrCode) 0xffffffff, ""

  };

const int errormax = sizeof(SErrors) / sizeof(SocketError) -1;

struct SocketException{

  SErrCode i;
  SocketException(SErrCode _i){
       
    i = _i;
       
    }

  std::string operator()(){

    for(int j=0; j<errormax; j++){
         
      if(SErrors[j].code == i) return SErrors[j].desc;
         
      }

    return "";
        
    }

  };
#endif