Line data    Source code

       1             : 
       2             : /* Copyright (c) 2010-2012, Stefan Eilemann <eile@eyescale.ch>
       3             :  *                    2012, Daniel Nachbaur <danielnachbaur@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #include "client.h"
      20             : 
      21             : #include "global.h"
      22             : #include "nodeType.h"
      23             : 
      24             : #include <eq/fabric/commands.h>
      25             : 
      26             : #include <co/iCommand.h>
      27             : #include <co/commandQueue.h>
      28             : #include <co/connection.h>
      29             : #include <co/connectionDescription.h>
      30             : #include <lunchbox/dso.h>
      31             : 
      32             : namespace eq
      33             : {
      34             : namespace fabric
      35             : {
      36             : namespace detail
      37             : {
      38             : class Client {};
      39             : }
      40             : 
      41          15 : Client::Client()
      42          15 :     : _impl( 0 )
      43             : {
      44          15 : }
      45             : 
      46          30 : Client::~Client()
      47             : {
      48          15 :     delete _impl;
      49          15 :     LBASSERT( isClosed( ));
      50          15 : }
      51             : 
      52          16 : bool Client::connectServer( co::NodePtr server )
      53             : {
      54          16 :     if( server->isConnected( ))
      55           0 :         return true;
      56             : 
      57          16 :     co::ConnectionDescriptionPtr connDesc;
      58          16 :     if( server->getConnectionDescriptions().empty( ))
      59             :     {
      60          16 :         connDesc = new co::ConnectionDescription;
      61          16 :         connDesc->port = EQ_DEFAULT_PORT;
      62             : 
      63          16 :         const std::string globalServer = Global::getServer();
      64          16 :         const char* envServer = getenv( "EQ_SERVER" );
      65          16 :         std::string address = !globalServer.empty() ? globalServer :
      66          32 :                                envServer            ? envServer : "localhost";
      67             : 
      68          16 :         if( !connDesc->fromString( address ))
      69           0 :             LBWARN << "Can't parse server address " << address << std::endl;
      70          16 :         LBASSERT( address.empty( ));
      71          16 :         LBINFO << "Connecting server " << connDesc->toString() << std::endl;
      72             : 
      73          32 :         server->addConnectionDescription( connDesc );
      74             :     }
      75             : 
      76          16 :     if( connect( server ))
      77           0 :         return true;
      78             : 
      79          16 :     if( connDesc ) // clean up
      80          16 :         server->removeConnectionDescription( connDesc );
      81             : 
      82          16 :     return false;
      83             : }
      84             : 
      85           0 : bool Client::disconnectServer( co::NodePtr server )
      86             : {
      87           0 :     if( !server->isConnected( ))
      88             :     {
      89           0 :         LBWARN << "Trying to disconnect unconnected server" << std::endl;
      90           0 :         return false;
      91             :     }
      92             : 
      93           0 :     if( co::LocalNode::disconnect( server ))
      94           0 :         return true;
      95             : 
      96           0 :     LBWARN << "Server disconnect failed" << std::endl;
      97           0 :     return false;
      98             : }
      99             : 
     100         169 : void Client::processCommand( const uint32_t timeout )
     101             : {
     102         169 :     co::CommandQueue* queue = getMainThreadQueue();
     103         169 :     LBASSERT( queue );
     104         169 :     co::ICommand command = queue->pop( timeout );
     105         169 :     if( !command.isValid( )) // just a wakeup()
     106         174 :         return;
     107             : 
     108         164 :     LBCHECK( command( ));
     109             : }
     110             : 
     111        8795 : bool Client::dispatchCommand( co::ICommand& command )
     112             : {
     113        8795 :     LBVERB << "dispatch " << command << std::endl;
     114             : 
     115        8877 :     if( command.getCommand() >= co::CMD_NODE_CUSTOM &&
     116          82 :         command.getCommand() < CMD_SERVER_CUSTOM )
     117             :     {
     118          66 :         co::NodePtr node = command.getRemoteNode();
     119          66 :         return node->co::Dispatcher::dispatchCommand( command );
     120             :     }
     121             : 
     122        8729 :     return co::LocalNode::dispatchCommand( command );
     123             : }
     124             : 
     125             : }
     126          45 : }