// $Id$
//
-// Copyright (C) 2008
+// Copyright (C) 2008
// Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-// Stefan Bund <g0dil@berlios.de>
//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+// http://senf.berlios.de/license.html
//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on,
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the
-// Free Software Foundation, Inc.,
-// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+// Software distributed under the License is distributed on an "AS IS" basis,
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+// Stefan Bund <g0dil@berlios.de>
/** \file
\brief Server non-inline non-template implementation */
#include "Server.hh"
-#include "Server.ih"
+//#include "Server.ih"
// Custom includes
-#include <errno.h>
-#include <iostream>
#include <boost/algorithm/string/trim.hpp>
-#include <boost/iostreams/device/file_descriptor.hpp>
-#include <boost/iostreams/stream.hpp>
#include <boost/bind.hpp>
-#include <senf/Utils/senfassert.hh>
#include <senf/Utils/membind.hh>
#include <senf/Utils/Logger/SenfLog.hh>
+#include <senf/Version.hh>
#include "LineEditor.hh"
#include "ScopedDirectory.hh"
#include "Sysdir.hh"
+#include "SysInfo.hh"
#include "ParsedCommand.hh"
//#include "Server.mpp"
#define prefix_
-///////////////////////////////cc.p////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef SENF_DEBUG
+# define BUILD_TYPE "development"
+#else
+# define BUILD_TYPE "production"
+#endif
+
+namespace {
+ senf::console::SysInfo::Proxy addSysInfo (
+ "SENF: The Simple and Extensible Network Framework\n"
+ " © 2006-2011 Fraunhofer Institute for Open Communication Systems, Network Research\n"
+ " Contact: senf-dev@lists.berlios.de\n"
+ " Version: " SENF_LIB_VERSION " Revision number: " SENF_REVISION "\n"
+ " Build-type: " BUILD_TYPE ", SenfLog compile time limit: " +
+ senf::str(senf::log::LEVELNAMES[senf::SenfLog::compileLimit::value]), 0);
+}
-///////////////////////////////////////////////////////////////////////////
-// senf::console::detail::NonBlockingSocketSink
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
+// senf::console::detail::SocketStreamSink
-prefix_ std::streamsize senf::console::detail::NonblockingSocketSink::write(const char * s,
+prefix_ std::streamsize senf::console::detail::SocketStreamSink::write(const char * s,
std::streamsize n)
{
+// since handle is now non blocking we done check for writeable
try {
- if (client_.handle().writeable()) {
+// if (client_.handle().writeable()) {
std::string data (s, n);
client_.write(data);
- }
- }
- catch (SystemException & ex) {
- ;
+// }
}
+ catch (...) {}
return n;
}
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::console::Server
prefix_ senf::console::Server &
{
senf::TCPv4ServerSocketHandle handle (address);
Server & server (senf::console::Server::start(handle));
- SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
+ SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
"Console server started at " << address ));
return server;
}
{
senf::TCPv6ServerSocketHandle handle (address);
Server & server (senf::console::Server::start(handle));
- SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
+ SENF_LOG((Server::SENFLogArea)(log::NOTICE)(
"Console server started at " << address ));
return server;
}
}
prefix_ senf::console::Server::Server(ServerHandle handle)
- : handle_ (handle),
+ : handle_ (handle),
event_ ("senf::console::Server", senf::membind(&Server::newClient, this),
handle_, scheduler::FdEvent::EV_READ),
root_ (senf::console::root().thisptr()), mode_ (Automatic),
try {
log << client.handle().peer();
}
- catch (senf::SystemException ex) {
- log << "(unknown)";
+ catch (senf::SystemException & ex) {
+ log << "(dead socket)";
}
}));
// THIS DELETES THE CLIENT INSTANCE !!
clients_.erase(boost::intrusive_ptr<Client>(&client));
}
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::console::detail::DumbClientReader
prefix_ senf::console::detail::DumbClientReader::DumbClientReader(Client & client)
stopClient();
return;
}
-
+
promptLen_ = 0;
promptActive_ = false;
std::string data (tail_ + helper->data());
tail_ = helper->tail();
- boost::trim(data); // Gets rid of superfluous \r or \n characters
+ boost::trim(data); // Gets rid of superfluous \r or \n characters
handleInput(data);
showPrompt();
prompt += " ";
stream() << std::flush;
- handle().write(prompt);
promptLen_ = prompt.size();
promptActive_ = true;
+ v_write(prompt);
}
prefix_ void senf::console::detail::DumbClientReader::v_disablePrompt()
prefix_ void senf::console::detail::DumbClientReader::v_write(std::string const & data)
{
- handle().write(data);
+ try {
+ handle().write(data);
+ }
+ catch (senf::ExceptionMixin & ex) {
+ SENF_LOG(("unexpected failure writing to socket:" << ex.message()));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
+ catch (std::exception & ex) {
+ SENF_LOG(("unexpected failure writing to socket:" << ex.what()));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
+ catch (...) {
+ SENF_LOG(("unexpected failure writing to socket: unknown exception"));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
}
prefix_ unsigned senf::console::detail::DumbClientReader::v_width()
return 80;
}
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::console::detail::NoninteractiveClientReader
prefix_
senf::console::detail::NoninteractiveClientReader::NoninteractiveClientReader(Client & client)
- : ClientReader (client),
- readevent_ ("senf::console::detail::NoninteractiveClientReader",
+ : ClientReader (client), streamBufferMaxSize_( 1024*1024),
+ readevent_ ("senf::console::detail::NoninteractiveClientReader",
senf::membind(&NoninteractiveClientReader::newData, this),
- handle(), senf::scheduler::FdEvent::EV_READ)
+ handle(), senf::scheduler::FdEvent::EV_READ),
+ writeevent_ ("senf::console::detail::NoninteractiveClientReader",
+ membind(&NoninteractiveClientReader::writeHandler, this), handle(),
+ scheduler::FdEvent::EV_WRITE, false)
{}
prefix_ void senf::console::detail::NoninteractiveClientReader::v_disablePrompt()
prefix_ void senf::console::detail::NoninteractiveClientReader::v_enablePrompt()
{}
+prefix_ void senf::console::detail::NoninteractiveClientReader::streamBufferMaxSize(SendQueue::size_type size)
+{
+ streamBufferMaxSize_ = size;
+}
+
+prefix_ senf::console::detail::NoninteractiveClientReader::SendQueue::size_type
+senf::console::detail::NoninteractiveClientReader::streamBufferMaxSize()
+ const
+{
+ return streamBufferMaxSize_;
+}
+
prefix_ void senf::console::detail::NoninteractiveClientReader::v_write(std::string const & data)
{
- handle().write(data);
+ if( sendQueue_.size() > streamBufferMaxSize_)
+ return;
+ sendQueue_.insert( sendQueue_.end(), data.begin(), data.end());
+ writeHandler(scheduler::FdEvent::EV_WRITE);
+ if (! sendQueue_.empty())
+ writeevent_.enable();
+
}
prefix_ unsigned senf::console::detail::NoninteractiveClientReader::v_width()
stream() << std::flush;
}
-///////////////////////////////////////////////////////////////////////////
+prefix_ void
+senf::console::detail::NoninteractiveClientReader::writeHandler(int event)
+{
+ if (event != senf::scheduler::FdEvent::EV_WRITE) {
+ writeevent_.disable();
+ readevent_.disable();
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ return;
+ }
+ try {
+ sendQueue_.erase(sendQueue_.begin(),
+ handle().write(boost::make_iterator_range(sendQueue_.begin(), sendQueue_.end())));
+ }
+ catch (senf::ExceptionMixin & ex) {
+ SENF_LOG(("unexpected failure writing to socket:" << ex.message()));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
+ catch (std::exception & ex) {
+ SENF_LOG(("unexpected failure writing to socket:" << ex.what()));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
+ catch (...) {
+ SENF_LOG(("unexpected failure writing to socket: unknown exception"));
+ try { handle().facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
+ }
+ if (sendQueue_.empty())
+ writeevent_.disable();
+
+}
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::console::Client
prefix_ senf::console::Client::Client(Server & server, ClientHandle handle)
- : out_t(boost::ref(*this)),
- senf::log::IOStreamTarget("client-" + senf::str(handle.peer()), out_t::member),
- server_ (server), handle_ (handle),
- readevent_ ("senf::console::Client::interactive_check",
- boost::bind(&Client::setNoninteractive,this),
+ : out_t(boost::ref(*this)),
+ senf::log::IOStreamTarget("client-" + senf::str(handle.peer()), out_t::member),
+ server_ (server), handle_ (handle),
+ readevent_ ("senf::console::Client::interactive_check",
+ boost::bind(&Client::setNoninteractive,this),
handle, scheduler::FdEvent::EV_READ, false),
- timer_ ("senf::console::Client::interactive_timer",
+ timer_ ("senf::console::Client::interactive_timer",
boost::bind(&Client::setInteractive, this),
scheduler::eventTime() + ClockService::milliseconds(INTERACTIVE_TIMEOUT),
false),
name_ (server.name()), reader_ (), mode_ (server.mode())
{
- handle_.facet<senf::TCPSocketProtocol>().nodelay();
+ handle_.facet<senf::TCPSocketProtocol>().nodelay(true);
+ handle_.blocking(false);
executor_.chroot(root());
switch (mode_) {
case Server::Interactive :
readevent_.disable();
timer_.disable();
mode_ = Server::Noninteractive;
- reader_.reset(new detail::NoninteractiveClientReader(*this));
+ detail::NoninteractiveClientReader * newReader (new detail::NoninteractiveClientReader(*this));
+ reader_.reset( newReader);
+ consoleDir().add( "streamBuffer", senf::console::factory::Command( senf::membind(
+ SENF_MEMFNP( detail::NoninteractiveClientReader::SendQueue::size_type, detail::NoninteractiveClientReader, streamBufferMaxSize, () const ),
+ newReader )));
+ consoleDir().add( "streamBuffer", senf::console::factory::Command( senf::membind(
+ SENF_MEMFNP( void, detail::NoninteractiveClientReader, streamBufferMaxSize, (detail::NoninteractiveClientReader::SendQueue::size_type) ),
+ newReader )));
}
prefix_ std::string::size_type senf::console::Client::handleInput(std::string data,
// handled gracefully by the ClientReader. We cannot call stop() here, since we are called
// from the client reader callback and that will continue executing after stop() has been
// called. stop() however will delete *this instance ... BANG ...
- handle_.facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD);
+ try { handle_.facet<senf::TCPSocketProtocol>().shutdown(senf::TCPSocketProtocol::ShutRD); }
+ catch (...) {}
}
catch (std::exception & ex) {
std::string msg (ex.what());
if (i != std::string::npos) {
backtrace_ = msg.substr(0,i);
msg = msg.substr(i+4);
- } else
- backtrace_.clear();
+ } else
+
stream() << msg << std::endl;
}
catch (...) {
unsigned minWidth)
{
unsigned rv (defaultWidth);
- try {
- rv = get(os).width();
+ try {
+ rv = get(os).width();
}
catch (std::bad_cast &) {}
return rv < minWidth ? defaultWidth : rv;
}
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::console::Client::SysBacktrace
-
prefix_ senf::console::Client::SysBacktrace::SysBacktrace()
{
- sysdir().node().add("backtrace", &SysBacktrace::backtrace)
- .doc("Display the backtrace of the last error / exception in this console");
+ sysdir().add("backtrace", factory::Command(&SysBacktrace::backtrace)
+ .doc("Display the backtrace of the last error / exception in this console") );
}
prefix_ void senf::console::Client::SysBacktrace::backtrace(std::ostream & os)
senf::console::Client::SysBacktrace senf::console::Client::SysBacktrace::instance_;
-///////////////////////////////cc.e////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
#undef prefix_
//#include "Server.mpp"
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