1 /***************************************************************************
2 * Copyright (C) 2006 by Gerd v. Egidy *
5 * This library is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU Lesser General Public License version *
7 * 2.1 as published by the Free Software Foundation. *
9 * This library is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU Lesser General Public License for more details. *
14 * You should have received a copy of the GNU Lesser General Public *
15 * License along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
25 #include <boost/archive/binary_oarchive.hpp>
26 #include <boost/archive/binary_iarchive.hpp>
27 #include <boost/archive/xml_oarchive.hpp>
28 #include <boost/archive/xml_iarchive.hpp>
29 #include <boost/serialization/serialization.hpp>
31 #include <boost/bind.hpp>
33 #include "command_server.hxx"
34 #include "container.hxx"
42 command_server::command_server(server& _s)
46 s.add_callback(new_connection,bind(&command_server::new_connection_callback, boost::ref(*this), _1));
49 void command_server::new_connection_callback(unsigned int conn_id)
51 cerr << "new connection callback: " << conn_id << endl;
54 /// handle a command including deserialization and answering
55 void command_server::handle_packet(const std::string& packet, server_connection* conn)
57 OBJLOGSTREAM(s,debug,"handling packet from connection " << conn->get_id());
60 istringstream ifs(packet);
61 boost::archive::binary_iarchive ia(ifs);
62 command_container ccont;
68 if ((ostr=s.get_logstream(fulldebug))!=NULL)
70 (*ostr) << "decoded packet data: " << std::endl;
71 boost::archive::xml_oarchive xo(*ostr);
72 xo << BOOST_SERIALIZATION_NVP(ccont);
75 // TODO: cast to command subclass (template)
76 command *cmd=ccont.get_command();
84 res.set_result((*cmd)());
86 catch (t2n_exception &e)
87 { res.set_exception(e.clone()); }
92 throw logic_error("uninitialized command called");
95 boost::archive::binary_oarchive oa(ofs);
100 if ((ostr=s.get_logstream(fulldebug))!=NULL)
102 (*ostr) << "returning result, decoded data: " << std::endl;
103 boost::archive::xml_oarchive xo(*ostr);
104 xo << BOOST_SERIALIZATION_NVP(res);
107 conn->write(ofs.str());
110 /** @brief handle incoming commands
111 @param usec_timeout wait until new data is found, max timeout usecs.
112 -1: wait endless, 0: no timeout
114 void command_server::handle(long long usec_timeout)
116 if (s.fill_buffer(usec_timeout))
119 unsigned int conn_id;
121 while (s.get_packet(packet,conn_id))
122 handle_packet(packet,s.get_connection(conn_id));