senf/Utils/Termlib/TelnetTerminal.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2009
   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 TelnetTerminal non-inline non-template implementation */
  25
  26 #include "TelnetTerminal.hh"
  27 //#include "TelnetTerminal.ih"
  28
  29 // Custom includes
  30
  31 //#include "TelnetTerminal.mpp"
  32 #define prefix_
  33 ///////////////////////////////cc.p////////////////////////////////////////
  34
  35 prefix_ senf::term::TelnetTerminal::TelnetTerminal()
  36     : setupFailed_ (false)
  37 {
  38     requestPeerOption(telnetopt::SUPPRESS_GO_AHEAD);
  39     requestLocalOption(telnetopt::SUPPRESS_GO_AHEAD);
  40     requestLocalOption(telnetopt::ECHO);
  41 }
  42
  43 prefix_ void senf::term::TelnetTerminal::setCallbacks(AbstractTerminal::Callbacks & cb)
  44 {
  45     callbacks_ = &cb;
  46 }
  47
  48 prefix_ std::string senf::term::TelnetTerminal::terminalType()
  49 {
  50     return telnethandler::TerminalType::terminalType();
  51 }
  52
  53 prefix_ unsigned senf::term::TelnetTerminal::width()
  54     const
  55 {
  56     return telnethandler::NAWS::width();
  57 }
  58
  59 prefix_ unsigned senf::term::TelnetTerminal::height()
  60     const
  61 {
  62     return telnethandler::NAWS::height();
  63 }
  64
  65 prefix_ void senf::term::TelnetTerminal::write(char ch)
  66 {
  67     BaseTelnetProtocol::write(ch);
  68 }
  69
  70 prefix_ void senf::term::TelnetTerminal::v_setupComplete()
  71 {
  72     bool init (true);
  73
  74     if (setupFailed_)
  75         v_setupFailed();
  76     else if (! (width() > 0
  77                 && ! terminalType().empty()
  78                 && localOption(telnetopt::SUPPRESS_GO_AHEAD)
  79                 && peerOption(telnetopt::SUPPRESS_GO_AHEAD)
  80                 && localOption(telnetopt::ECHO)
  81                 && (init = callbacks_->cb_init()))) {
  82
  83         SENF_LOG_BLOCK((senf::log::NOTICE)({
  84             log << "TelnetTerminal setup failed:\n";
  85             if (width() <= 0)
  86                 log << "    missing telnet client NAWS support\n";
  87             else
  88                 log << "    size=" << width() << "x" << height() << "\n";
  89             if (terminalType().empty())
  90                 log << "    missing telnet client TERMINAL_TYPE support\n";
  91             else
  92                 log << "    TERM=" << terminalType() << "\n";
  93             if (! localOption(telnetopt::SUPPRESS_GO_AHEAD) ||
  94                 ! peerOption(telnetopt::SUPPRESS_GO_AHEAD))
  95                 log << "    missing telnet clinet SGO support\n";
  96             if (! localOption(telnetopt::ECHO))
  97                 log << "    missing telnet client ECHO support\n";
  98             if (! init)
  99                 log << "    terminal initialization (cb_init) failed\n";
 100         }));
 101
 102         setupFailed_ = true;
 103         requestPeerOption(telnetopt::SUPPRESS_GO_AHEAD, false);
 104         requestLocalOption(telnetopt::SUPPRESS_GO_AHEAD, false);
 105         requestLocalOption(telnetopt::ECHO, false);
 106         requestPeerOption(telnetopt::TERMINAL_TYPE, false);
 107         requestPeerOption(telnetopt::NAWS, false);
 108         if (! requestsPending())
 109             v_setupFailed();
 110     }
 111     else
 112         SENF_LOG((senf::log::NOTICE)(
 113                      "Initialized TelnetTerminal: TERM=" << terminalType()
 114                      << ", size=" << width() << "x" << height()));
 115 }
 116
 117 prefix_ void senf::term::TelnetTerminal::v_charReceived(char ch)
 118 {
 119     callbacks_->cb_charReceived(ch);
 120 }
 121
 122 prefix_ void senf::term::TelnetTerminal::v_windowSizeChanged()
 123 {
 124     callbacks_->cb_windowSizeChanged();
 125 }
 126
 127 ///////////////////////////////cc.e////////////////////////////////////////
 128 #undef prefix_
 129 //#include "TelnetTerminal.mpp"
 130
 131 \f
 132 // Local Variables:
 133 // mode: c++
 134 // fill-column: 100
 135 // comment-column: 40
 136 // c-file-style: "senf"
 137 // indent-tabs-mode: nil
 138 // ispell-local-dictionary: "american"
 139 // compile-command: "scons -u test"
 140 // End: