4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
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.
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.
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.
24 \brief Server non-inline non-template implementation */
27 //#include "Server.ih"
32 #include <boost/algorithm/string/trim.hpp>
33 #include <boost/iostreams/device/file_descriptor.hpp>
34 #include <boost/iostreams/stream.hpp>
35 #include <boost/bind.hpp>
36 #include "../Utils/senfassert.hh"
37 #include "../Utils/membind.hh"
38 #include "../Utils/Logger/SenfLog.hh"
40 //#include "Server.mpp"
42 ///////////////////////////////cc.p////////////////////////////////////////
44 prefix_ senf::console::Server &
45 senf::console::Server::start(senf::INet4SocketAddress const & address)
47 senf::TCPv4ServerSocketHandle handle (address);
48 senf::console::Server::start(handle);
49 SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
50 "Console server started at " << address ));
54 prefix_ senf::console::Server &
55 senf::console::Server::start(senf::INet6SocketAddress const & address)
57 senf::TCPv6ServerSocketHandle handle (address);
58 senf::console::Server::start(handle);
59 SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
60 "Console server started at " << address ));
64 ///////////////////////////////////////////////////////////////////////////
65 // senf::console::Server
67 boost::scoped_ptr<senf::console::Server> senf::console::Server::instance_;
69 prefix_ void senf::console::Server::start(ServerHandle handle)
71 SENF_ASSERT( ! instance_ );
72 instance_.reset(new Server(handle));
75 prefix_ senf::console::Server::Server(ServerHandle handle)
78 Scheduler::instance().add( handle_, senf::membind(&Server::newClient, this) );
81 prefix_ senf::console::Server::~Server()
83 Scheduler::instance().remove(handle_);
86 prefix_ void senf::console::Server::newClient(Scheduler::EventId event)
88 ServerHandle::ClientSocketHandle client (handle_.accept());
89 boost::intrusive_ptr<Client> p (new Client(client, name_));
91 SENF_LOG(( "Registered new client " << p.get() ));
94 prefix_ void senf::console::Server::removeClient(Client & client)
96 SENF_LOG(( "Disposing client " << & client ));
97 // THIS DELETES THE CLIENT INSTANCE !!
98 clients_.erase(boost::intrusive_ptr<Client>(&client));
101 ///////////////////////////////////////////////////////////////////////////
102 // senf::console::Client
104 prefix_ senf::console::Client::Client(ClientHandle handle, std::string const & name)
105 : out_t(::dup(handle.fd())), senf::log::IOStreamTarget(out_t::member),
106 handle_ (handle), name_ (name), promptLen_(0)
109 ReadHelper<ClientHandle>::dispatch( handle_, 16384u, ReadUntil("\n"),
110 senf::membind(&Client::clientData, this) );
111 route< senf::SenfLog, senf::log::NOTICE >();
114 prefix_ senf::console::Client::~Client()
117 prefix_ void senf::console::Client::stopClient()
119 // THIS COMMITS SUICIDE. THE INSTANCE IS GONE AFTER removeClient RETURNS
120 Server::instance_->removeClient(*this);
123 prefix_ void senf::console::Client::clientData(ReadHelper<ClientHandle>::ptr helper)
126 if (helper->error() || handle_.eof()) {
127 // THIS COMMITS SUICIDE. THE INSTANCE IS GONE AFTER stopClient RETURNS
132 std::string data (tail_ + helper->data());
133 tail_ = helper->tail();
134 boost::trim(data); // Gets rid of superfluous \r or \n characters
137 if (! parser_.parse(data, boost::bind<void>(boost::ref(executor_), _1,
138 boost::ref(out_t::member))))
139 out_t::member << "syntax error" << std::endl;
141 catch (Executor::ExitException &) {
142 // THIS COMMITS SUICIDE. THE INSTANCE IS GONE AFTER stopClient RETURNS
146 catch (std::exception & ex) {
147 out_t::member << ex.what() << std::endl;
150 out_t::member << "unidentified error (unknown exception thrown)" << std::endl;
154 ReadHelper<ClientHandle>::dispatch( handle_, 16384u, ReadUntil("\n"),
155 senf::membind(&Client::clientData, this) );
158 prefix_ void senf::console::Client::showPrompt()
160 std::string path (executor_.cwd().path());
161 out_t::member << name_ << ":" << path << "# " << std::flush;
162 promptLen_ = name_.size() + 1 + path.size() + 1;
165 prefix_ void senf::console::Client::v_write(boost::posix_time::ptime timestamp,
166 std::string const & stream,
167 std::string const & area, unsigned level,
168 std::string const & message)
171 out_t::member << '\r' << std::string(' ', promptLen_) << '\r';
172 IOStreamTarget::v_write(timestamp, stream, area, level, message);
177 ///////////////////////////////cc.e////////////////////////////////////////
179 //#include "Server.mpp"
185 // comment-column: 40
186 // c-file-style: "senf"
187 // indent-tabs-mode: nil
188 // ispell-local-dictionary: "american"
189 // compile-command: "scons -u test"