src/ex_filter_frontend_net.cpp

   1 /* $Id: ex_filter_frontend_net.cpp,v 1.23 2006-01-12 14:09:08 adam Exp $
   2    Copyright (c) 2005, Index Data.
   3
   4 %LICENSE%
   5  */
   6
   7 #include "config.hpp"
   8
   9 #include <cstdlib>
  10 #include <iostream>
  11 #include <stdexcept>
  12
  13 #include <boost/program_options.hpp>
  14 namespace po = boost::program_options;
  15
  16
  17 #include "util.hpp"
  18 #include "filter_frontend_net.hpp"
  19 #include "filter_z3950_client.hpp"
  20 #include "filter_virt_db.hpp"
  21 #include "filter_session_shared.hpp"
  22 #include "filter_log.hpp"
  23
  24 #include "router_chain.hpp"
  25 #include "session.hpp"
  26 #include "package.hpp"
  27
  28 class HTTPFilter: public yp2::filter::Base {
  29 public:
  30     void process(yp2::Package & package) const {
  31         if (package.session().is_closed())
  32         {
  33             // std::cout << "Got Close.\n";
  34         }
  35
  36         Z_GDU *gdu = package.request().get();
  37         if (gdu && gdu->which == Z_GDU_HTTP_Request)
  38         {
  39             yp2::odr odr;
  40             Z_GDU *gdu = z_get_HTTP_Response(odr, 200);
  41             Z_HTTP_Response *http_res = gdu->u.HTTP_Response;
  42
  43             z_HTTP_header_add(odr, &http_res->headers,
  44                               "Content-Type", "text/plain");
  45
  46             http_res->content_buf =
  47                 odr_strdup(odr, "Welcome to YP2");
  48             http_res->content_len = strlen(http_res->content_buf);
  49
  50             package.response() = gdu;
  51         }
  52         return package.move();
  53     };
  54 };
  55
  56 int main(int argc, char **argv)
  57 {
  58     try
  59     {
  60         po::options_description desc("Allowed options");
  61         desc.add_options()
  62             ("help", "produce help message")
  63             ("duration", po::value<int>(),
  64              "number of seconds for server to exist")
  65             ("port", po::value< std::vector<std::string> >(), "listener port")
  66             ;
  67
  68         po::positional_options_description p;
  69         p.add("port", -1);
  70
  71         po::variables_map vm;
  72         po::store(po::command_line_parser(argc, argv).
  73                   options(desc).positional(p).run(), vm);
  74         po::notify(vm);
  75
  76         if (vm.count("help")) {
  77             std::cout << desc << "\n";
  78             return 1;
  79         }
  80
  81         if (vm.count("port"))
  82         {
  83             std::vector<std::string> ports =
  84                 vm["port"].as< std::vector<std::string> >();
  85
  86             for (size_t i = 0; i<ports.size(); i++)
  87                 std::cout << "port " << i << " " << ports[i] << "\n";
  88
  89             yp2::RouterChain router;
  90
  91             // put frontend filter in router
  92             yp2::filter::FrontendNet filter_front;
  93             filter_front.ports() = ports;
  94
  95             // 0=no time, >0 timeout in seconds
  96             if (vm.count("duration")) {
  97                 filter_front.listen_duration() = vm["duration"].as<int>();
  98             }
  99             router.append(filter_front);
 100
 101             // put log filter in router
 102             yp2::filter::Log filter_log_front("FRONT");
 103             router.append(filter_log_front);
 104
 105             // put Virt db filter in router
 106             yp2::filter::Virt_db filter_virt_db;
 107             filter_virt_db.add_map_db2vhost("gils", "indexdata.dk/gils",
 108                                             "");
 109             filter_virt_db.add_map_db2vhost("Default", "localhost:9999/Default",
 110                                             "");
 111             filter_virt_db.add_map_db2vhost("2", "localhost:9999/2", "");
 112             router.append(filter_virt_db);
 113
 114             yp2::filter::SessionShared filter_session_shared;
 115             //router.append(filter_session_shared);
 116
 117             yp2::filter::Log filter_log_back("BACK");
 118             router.append(filter_log_back);
 119
 120             // put HTTP backend filter in router
 121             HTTPFilter filter_init;
 122             router.append(filter_init);
 123
 124             // put Z39.50 backend filter in router
 125             yp2::filter::Z3950Client z3950_client;
 126             router.append(z3950_client);
 127
 128             yp2::Session session;
 129             yp2::Origin origin;
 130             yp2::Package pack(session, origin);
 131
 132             pack.router(router).move();
 133         }
 134     }
 135     catch ( ... ) {
 136         std::cerr << "unknown exception\n";
 137         std::exit(1);
 138     }
 139     std::exit(0);
 140 }
 141
 142 /*
 143  * Local variables:
 144  * c-basic-offset: 4
 145  * indent-tabs-mode: nil
 146  * c-file-style: "stroustrup"
 147  * End:
 148  * vim: shiftwidth=4 tabstop=8 expandtab
 149  */