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 {
  55     return telnethandler::NAWS::width();
  56 }
  57
  58 prefix_ unsigned senf::term::TelnetTerminal::height()
  59 {
  60     return telnethandler::NAWS::height();
  61 }
  62
  63 prefix_ void senf::term::TelnetTerminal::write(char ch)
  64 {
  65     BaseTelnetProtocol::write(ch);
  66 }
  67
  68 prefix_ void senf::term::TelnetTerminal::v_setupComplete()
  69 {
  70     bool init (true);
  71
  72     if (setupFailed_)
  73         v_setupFailed();
  74     else if (! (width() > 0
  75                 && ! terminalType().empty()
  76                 && localOption(telnetopt::SUPPRESS_GO_AHEAD)
  77                 && peerOption(telnetopt::SUPPRESS_GO_AHEAD)
  78                 && localOption(telnetopt::ECHO)
  79                 && (init = callbacks_->cb_init()))) {
  80
  81         SENF_LOG_BLOCK((senf::log::NOTICE)({
  82             log << "TelnetTerminal setup failed:\n";
  83             if (width() <= 0)
  84                 log << "    missing telnet client NAWS support\n";
  85             if (terminalType().empty())
  86                 log << "    missing telnet client TERMINAL_TYPE support\n";
  87             if (! localOption(telnetopt::SUPPRESS_GO_AHEAD) ||
  88                 ! peerOption(telnetopt::SUPPRESS_GO_AHEAD))
  89                 log << "    missing telnet clinet SGO support\n";
  90             if (! localOption(telnetopt::ECHO))
  91                 log << "    missing telnet client ECHO support\n";
  92             if (! init)
  93                 log << "    terminal initialization (cb_init) failed\n";
  94         }));
  95
  96         setupFailed_ = true;
  97         requestPeerOption(telnetopt::SUPPRESS_GO_AHEAD, false);
  98         requestLocalOption(telnetopt::SUPPRESS_GO_AHEAD, false);
  99         requestLocalOption(telnetopt::ECHO, false);
 100         requestPeerOption(telnetopt::TERMINAL_TYPE, false);
 101         requestPeerOption(telnetopt::NAWS, false);
 102         if (! requestsPending())
 103             v_setupFailed();
 104     }
 105     else
 106         SENF_LOG((senf::log::NOTICE)(
 107                      "Initialized TelnetTerminal: TERM=" << terminalType()
 108                      << ", size=" << width() << "x" << height()));
 109 }
 110
 111 prefix_ void senf::term::TelnetTerminal::v_charReceived(char ch)
 112 {
 113     callbacks_->cb_charReceived(ch);
 114 }
 115
 116 prefix_ void senf::term::TelnetTerminal::v_windowSizeChanged()
 117 {
 118     callbacks_->cb_windowSizeChanged();
 119 }
 120
 121 ///////////////////////////////cc.e////////////////////////////////////////
 122 #undef prefix_
 123 //#include "TelnetTerminal.mpp"
 124
 125 \f
 126 // Local Variables:
 127 // mode: c++
 128 // fill-column: 100
 129 // comment-column: 40
 130 // c-file-style: "senf"
 131 // indent-tabs-mode: nil
 132 // ispell-local-dictionary: "american"
 133 // compile-command: "scons -u test"
 134 // End: