Line data    Source code

       1             : 
       2             : /* Copyright (c) 2007-2011, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2010, Cedric Stalder <cedric.stalder@gmail.com>
       4             :  *                    2010, Daniel Nachbaur <danielnachbaur@gmail.com>
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #include "localServer.h"
      21             : 
      22             : #include "server.h"
      23             : 
      24             : #include "global.h"
      25             : #include "loader.h"
      26             : 
      27             : #include <co/node.h>
      28             : 
      29             : #define CONFIG "server{ config{ appNode{ pipe {                            \
      30             :     window { viewport [ .25 .25 .5 .5 ] channel { name \"channel\" }}}}    \
      31             :     compound { channel \"channel\" wall { }}}}"
      32             : 
      33             : namespace eq
      34             : {
      35             : namespace server
      36             : {
      37             : namespace
      38             : {
      39             : class ServerThread : public lunchbox::Thread
      40             : {
      41             : public:
      42          28 :     ServerThread() {}
      43          28 :     virtual ~ServerThread() {}
      44             : 
      45          24 :     bool start( eq::server::ServerPtr server )
      46             :         {
      47          24 :             LBASSERT( !_server );
      48          24 :             _server = server;
      49          24 :             return Thread::start();
      50             :         }
      51             : 
      52          48 :     eq::server::ServerPtr getServer()
      53             :         {
      54          48 :             return _server;
      55             :         }
      56             : 
      57             : protected:
      58             : 
      59          24 :     void run() final
      60             :     {
      61          24 :         _server->run();
      62          24 :         _server->close();
      63          24 :         _server->deleteConfigs();
      64             : 
      65          24 :         LBASSERTINFO( _server->getRefCount() == 1,
      66             :                       "Server thread done, still referenced by " <<
      67             :                       _server->getRefCount( ));
      68          24 :         _server = 0;
      69          24 :         eq::server::Global::clear();
      70          24 :     }
      71             : 
      72             : private:
      73             :     eq::server::ServerPtr _server;
      74             : };
      75             : 
      76          28 : static ServerThread _serverThread;
      77             : }
      78             : 
      79          24 : bool startLocalServer( const std::string& config )
      80             : {
      81          24 :     if( _serverThread.isRunning( ))
      82             :     {
      83           0 :         LBWARN << "Only one app-local per process server allowed" << std::endl;
      84           0 :         return false;
      85             :     }
      86             : 
      87          24 :     eq::server::Loader loader;
      88          48 :     eq::server::ServerPtr server;
      89             : 
      90          48 :     if( config.length() > 3 &&
      91          24 :         config.compare( config.size() - 4, 4, ".eqc" ) == 0 )
      92             :     {
      93           4 :         server = loader.loadFile( config );
      94             :     }
      95             :     else
      96             :     {
      97             : #ifdef EQUALIZER_USE_HWSD
      98          20 :         server = new eq::server::Server; // configured upon Server::chooseConfig
      99             : #else
     100             :         server = loader.parseServer( CONFIG );
     101             : #endif
     102             :     }
     103             : 
     104          24 :     if( !server )
     105             :     {
     106           0 :         LBERROR << "Failed to load configuration" << std::endl;
     107           0 :         return false;
     108             :     }
     109             : 
     110          24 :     eq::server::Loader::addOutputCompounds( server );
     111          24 :     eq::server::Loader::addDestinationViews( server );
     112          24 :     eq::server::Loader::addDefaultObserver( server );
     113          24 :     eq::server::Loader::convertTo11( server );
     114          24 :     eq::server::Loader::convertTo12( server );
     115             :     // TODO: ref count is 2 since config holds ServerPtr
     116             :     // LBASSERTINFO( server->getRefCount() == 1, server );
     117             : 
     118          24 :     if( !server->listen( ))
     119             :     {
     120           0 :         LBERROR << "Failed to setup server listener" << std::endl;
     121           0 :         return false;
     122             :     }
     123             : 
     124          24 :     if( !_serverThread.start( server ))
     125             :     {
     126           0 :         LBERROR << "Failed to start server thread" << std::endl;
     127           0 :         return false;
     128             :     }
     129             : 
     130          48 :     return true;
     131             : }
     132             : 
     133          24 : co::ConnectionPtr connectLocalServer()
     134             : {
     135          24 :     if( !_serverThread.getServer( ))
     136           0 :         return nullptr;
     137             : 
     138          24 :     co::ConnectionDescriptionPtr desc = new co::ConnectionDescription;
     139          24 :     desc->type = co::CONNECTIONTYPE_PIPE;
     140          48 :     co::ConnectionPtr connection = co::Connection::create( desc );
     141          24 :     if( !connection->connect( ))
     142             :     {
     143           0 :         LBERROR << "Failed to set up server connection" << std::endl;
     144           0 :         return nullptr;
     145             :     }
     146             : 
     147          48 :     co::ConnectionPtr sibling = connection->acceptSync();
     148             : 
     149          24 :     _serverThread.getServer()->addConnection( sibling );
     150             : 
     151          48 :     return connection;
     152             : }
     153             : 
     154          24 : void joinLocalServer()
     155             : {
     156          24 :     _serverThread.join();
     157          24 : }
     158             : 
     159             : }
     160          84 : }