Server/src/controlserver.cpp

   1 // vim: set noexpandtab tabstop=4 shiftwidth=4:
   2 //----------------------------------------------------------------------------
   3 //                                  PlaQui
   4 //----------------------------------------------------------------------------
   5 // This file is part of PlaQui.
   6 //
   7 // PlaQui is free software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the Free Software
   9 // Foundation; either version 2 of the License, or (at your option) any later
  10 // version.
  11 //
  12 // PlaQui is distributed in the hope that it will be useful, but WITHOUT ANY
  13 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  15 // details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with PlaQui; if not, write to the Free Software Foundation, Inc., 59 Temple
  19 // Place, Suite 330, Boston, MA  02111-1307  USA
  20 //----------------------------------------------------------------------------
  21 // Creado:  Sat Oct 18 18:18:36 2003
  22 // Autores: Leandro Lucarella <llucare@fi.uba.ar>
  23 //----------------------------------------------------------------------------
  24 //
  25 // $Id$
  26 //
  27
  28 #include "plaqui/server/controlserver.h"
  29 #include "plaqui/server/request.h"
  30 #include <cstring>
  31 #include <sstream>
  32 #ifdef DEBUG
  33 #       include <iostream>
  34 #endif // DEBUG
  35
  36 PlaQui::Server::ControlServer::~ControlServer(void) {
  37 #ifdef DEBUG
  38         std::cerr << __FILE__ << ": destructor." << std::endl;
  39 #endif // DEBUG
  40 }
  41
  42 PlaQui::Server::ControlServer::ControlServer(const sockbuf::sockdesc& sd):
  43                 ServerConnection(sd) {
  44 #ifdef DEBUG
  45         std::cerr << __FILE__ << ": sd = " << sd.sock << std::endl;
  46 #endif // DEBUG
  47 }
  48
  49 void PlaQui::Server::ControlServer::real_run(void) {
  50         // FIXME se tiene que ir a la clase para poder frenarlo desde afuera.
  51         bool stop = false;
  52         char buf[BUFFER_SIZE];
  53         while (!stop) {
  54                 Request request;
  55                 // Primera línea no vacía (que debe ser el request).
  56                 bool is_first = true;
  57                 while (!stop && socket.getline(buf, BUFFER_SIZE)) {
  58 #ifdef DEBUG
  59                         std::cerr << "Recibiendo linea: " << buf << std::endl;
  60 #endif // DEBUG
  61                         int len = strlen(buf);
  62                         // Si tiene un retorno de carro, lo elimina.
  63                         if (len && (buf[len-1] == '\r')) {
  64                                 buf[--len] = '\0';
  65                         }
  66                         // Si tiene contenido, lo agrego a la información del request.
  67                         if (len) {
  68                                 // Si es la primera línea, es el request.
  69                                 if (is_first) {
  70                                         request.set_request(buf, socket->peerhost(),
  71                                                         socket->peerport());
  72                                         is_first = false;
  73                                 } else {
  74                                         // TODO request.parse_header(buf);
  75                                 }
  76                         // Si viene la línea vacía
  77                         } else {
  78                                 // Si no es la primera, terminan las cabeceras HTTP.
  79                                 if (!is_first) {
  80                                         // Podría ir un break.
  81                                         stop = true;
  82                                         continue;
  83                                 }
  84                                 // Si es la primera, no pasa nada, sigue esperando un request.
  85                         }
  86                 }
  87                 // TODO: Manda mensaje a la planta.
  88                 //signal_command_received().emit(request);
  89                 //dispatch_command(parse_command(sstr.str()));
  90 #ifdef DEBUG
  91                 std::cerr << "Request: " << std::endl;
  92                 for (Request::const_iterator i = request.begin(); i != request.end();
  93                                 i++) {
  94                         std::cerr << "   " << i->first << ": " << i->second << std::endl;
  95                 }
  96 #endif // DEBUG
  97                 // FIXME - hacer respuesta XML.
  98                 stringstream response_xml;
  99                 socket << "HTTP/1.0 200 OK" << std::endl;
 100 /*
 101 Date: Sun, 19 Oct 2003 15:11:14 GMT
 102 Server: Apache/1.3.28 (Debian GNU/Linux)
 103 Last-Modified: Mon, 28 Apr 2003 07:50:08 GMT
 104 ETag: "110f4043-11a1-3eacdd30"
 105 Accept-Ranges: bytes
 106 */
 107                 socket << "Content-Type: text/html; charset=iso-8859-1" << std::endl;
 108                 response_xml << "<html>" << std::endl;
 109                 response_xml << "    <head>" << std::endl;
 110                 response_xml << "        <title>PlaQui v0.1</title>" << std::endl;
 111                 response_xml << "    </head>" << std::endl;
 112                 response_xml << "    <body>" << std::endl;
 113                 response_xml << "        <h1>PlaQui</h1>" << std::endl;
 114                 response_xml << "        <p>versión 0.2</p>" << std::endl;
 115                 response_xml << "        <h2>Pedido HTTP</h2>" << std::endl;
 116                 response_xml << "        <ul>" << std::endl;
 117                 for (Request::const_iterator i = request.begin(); i != request.end();
 118                                 i++) {
 119                         response_xml << "           <li><b>" << i->first << ":</b> "
 120                                 << i->second << std::endl;
 121                 }
 122                 response_xml << "        </ul>" << std::endl;
 123                 response_xml << "        <h2>Desarrollado por</h2>" << std::endl;
 124                 response_xml << "        <ul>" << std::endl;
 125                 response_xml << "            <li>Nicolás Dimov.</li>" << std::endl;
 126                 response_xml << "            <li>Leandro Lucarella.</li>" << std::endl;
 127                 response_xml << "            <li>Ricardo Markiewicz.</li>" << std::endl;
 128                 response_xml << "        </ul>" << std::endl;
 129                 response_xml << "        <address>" << std::endl;
 130                 response_xml << "             Copyleft 2003 - bajo los " << std::endl;
 131                 response_xml << "             términos de la licencia GPL" << std::endl;
 132                 response_xml << "        </address>" << std::endl;
 133                 response_xml << "    </body>" << std::endl;
 134                 response_xml << "</html>" << std::endl;
 135                 socket << "Content-Length: " << response_xml.str().length() << std::endl;
 136                 socket << std::endl;
 137                 socket << response_xml.str() << std::flush;
 138         }
 139 }
 140