Console/Server.hh

   1 // $Id$
   2 //
   3 // Copyright (C) 2008
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief Server public header */
  25
  26 #ifndef HH_Server_
  27 #define HH_Server_ 1
  28
  29 // Custom includes
  30 #include <set>
  31 #include <boost/utility.hpp>
  32 #include <boost/scoped_ptr.hpp>
  33 #include <boost/shared_ptr.hpp>
  34 #include <boost/iostreams/device/file_descriptor.hpp>
  35 #include <boost/iostreams/stream.hpp>
  36 #include "../Utils/intrusive_refcount.hh"
  37 #include "../Socket/Protocols/INet/TCPSocketHandle.hh"
  38 #include "../Socket/ServerSocketHandle.hh"
  39 #include "../Scheduler/Scheduler.hh"
  40 #include "../Scheduler/ReadHelper.hh"
  41 #include "Parse.hh"
  42 #include "Executor.hh"
  43 #include "../Socket/Protocols/INet/INetAddressing.hh"
  44
  45 //#include "Server.mpp"
  46 ///////////////////////////////hh.p////////////////////////////////////////
  47
  48 namespace senf {
  49 namespace console {
  50
  51     class Client;
  52
  53     /** \brief
  54         ///\fixme Use special non-blocking streambuf
  55       */
  56     class Server
  57         : boost::noncopyable
  58     {
  59         SENF_LOG_CLASS_AREA();
  60         SENF_LOG_DEFAULT_LEVEL( senf::log::NOTICE );
  61     public:
  62         ///////////////////////////////////////////////////////////////////////////
  63         // Types
  64
  65         typedef senf::ServerSocketHandle<
  66             senf::MakeSocketPolicy< senf::TCPv4SocketProtocol::Policy,
  67                                     senf::UnspecifiedAddressingPolicy>::policy > ServerHandle;
  68
  69         ~Server();
  70
  71         static Server & start(senf::INet4SocketAddress const & address);
  72         static Server & start(senf::INet6SocketAddress const & address);
  73
  74         void name(std::string const & name);
  75
  76     protected:
  77
  78     private:
  79         Server(ServerHandle handle);
  80
  81         static void start(ServerHandle handle);
  82
  83         void newClient(Scheduler::EventId event);
  84         void removeClient(Client & client);
  85
  86         ServerHandle handle_;
  87
  88         typedef std::set< boost::intrusive_ptr<Client> > Clients;
  89         Clients clients_;
  90         std::string name_;
  91
  92         static boost::scoped_ptr<Server> instance_;
  93
  94         friend class Client;
  95     };
  96
  97     /** \brief
  98
  99         \fixme Fix Client::clientData implementation
 100             Remove the 'dup' needed here so we don't close the same fd twice (see Client constructor)
 101             Make output non-blocking
 102             Don't register a new ReadHelper every round
 103      */
 104     class Client
 105         : public senf::intrusive_refcount
 106     {
 107         SENF_LOG_CLASS_AREA();
 108         SENF_LOG_DEFAULT_LEVEL( senf::log::NOTICE );
 109     public:
 110         typedef Server::ServerHandle::ClientSocketHandle ClientHandle;
 111
 112         ~Client();
 113
 114         void stopClient();
 115
 116     protected:
 117
 118     private:
 119         Client(ClientHandle handle, std::string const & name);
 120
 121         void clientData(ReadHelper<ClientHandle>::ptr helper);
 122         void showPrompt();
 123
 124         ClientHandle handle_;
 125         std::string tail_;
 126         CommandParser parser_;
 127         Executor executor_;
 128         std::string name_;
 129
 130         typedef boost::iostreams::stream<boost::iostreams::file_descriptor_sink> fdostream;
 131         fdostream out_;
 132
 133         friend class Server;
 134     };
 135
 136 }}
 137
 138 ///////////////////////////////hh.e////////////////////////////////////////
 139 #include "Server.cci"
 140 //#include "Server.ct"
 141 //#include "Server.cti"
 142 #endif
 143
 144 \f
 145 // Local Variables:
 146 // mode: c++
 147 // fill-column: 100
 148 // comment-column: 40
 149 // c-file-style: "senf"
 150 // indent-tabs-mode: nil
 151 // ispell-local-dictionary: "american"
 152 // compile-command: "scons -u test"
 153 // End: