anyrtpproxy/options.h

   1 /*
   2  *  anytun
   3  *
   4  *  The secure anycast tunneling protocol (satp) defines a protocol used
   5  *  for communication between any combination of unicast and anycast
   6  *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
   7  *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
   8  *  ethernet, ip, arp ...). satp directly includes cryptography and
   9  *  message authentication based on the methodes used by SRTP.  It is
  10  *  intended to deliver a generic, scaleable and secure solution for
  11  *  tunneling and relaying of packets of any protocol.
  12  *
  13  *
  14  *  Copyright (C) 2007 anytun.org <satp@wirdorange.org>
  15  *
  16  *  This program is free software; you can redistribute it and/or modify
  17  *  it under the terms of the GNU General Public License version 2
  18  *  as published by the Free Software Foundation.
  19  *
  20  *  This program is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU General Public License
  26  *  along with this program (see the file COPYING included with this
  27  *  distribution); if not, write to the Free Software Foundation, Inc.,
  28  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  29  */
  30
  31 #ifndef _OPTIONS_H_
  32 #define _OPTIONS_H_
  33
  34 #include "../threadUtils.hpp"
  35 #include <list>
  36 #include <sstream>
  37
  38 typedef struct OptionConnectTo
  39 {
  40   std::string host;
  41   uint16_t port;
  42 };
  43
  44 typedef std::list<OptionConnectTo>  ConnectToList;
  45
  46 class Host
  47 {
  48 public:
  49   Host(std::string addr, u_int16_t port) : addr_(addr), port_(port) {}
  50   Host(std::string addr_port)
  51   {
  52     std::istringstream iss(addr_port);
  53     getline(iss, addr_, ':');
  54     if(!(iss >> port_)) port_ = 0;
  55   }
  56   std::string toString() const
  57   {
  58     std::ostringstream oss;
  59     oss << addr_ << ":" << port_;
  60     return oss.str();
  61   }
  62
  63   std::string addr_;
  64         u_int16_t port_;
  65 };
  66
  67 typedef std::list<Host> HostList;
  68
  69 class Options
  70 {
  71 public:
  72   static Options& instance();
  73
  74   bool parse(int argc, char* argv[]);
  75   void printUsage();
  76   void printOptions();
  77
  78   std::string getProgname();
  79   bool getChroot();
  80   bool getNat();
  81   bool getNoNatOnce();
  82   std::string getUsername();
  83   std::string getChrootDir();
  84   bool getDaemonize();
  85   Host getControlInterface();
  86   u_int16_t getLocalSyncPort();
  87         Options& setLocalSyncPort(u_int16_t l);
  88   u_int16_t getRtpStartPort();
  89         Options& setRtpStartPort(u_int16_t l);
  90   u_int16_t getRtpEndPort();
  91         Options& setRtpEndPort(u_int16_t l);
  92   ConnectToList getConnectTo();
  93
  94 private:
  95   Options();
  96   ~Options();
  97   Options(const Options &l);
  98   void operator=(const Options &l);
  99   bool sanityCheck();
 100
 101   static Options* inst;
 102   static ::Mutex instMutex;
 103   class instanceCleaner {
 104     public: ~instanceCleaner() {
 105       if(Options::inst != 0)
 106         delete Options::inst;
 107     }
 108   };
 109   friend class instanceCleaner;
 110
 111   ::Mutex mutex;
 112
 113   std::string progname_;
 114   bool chroot_;
 115   bool nat_;
 116   bool no_nat_once_;
 117   std::string username_;
 118   std::string chroot_dir_;
 119   bool daemonize_;
 120         u_int16_t local_sync_port_;
 121         u_int16_t rtp_start_port_;
 122         u_int16_t rtp_end_port_;
 123         ConnectToList connect_to_;
 124   Host control_interface_;
 125 };
 126
 127 extern Options& gOpt;
 128
 129 #endif