Line data    Source code

       1             : 
       2             : /* Copyright (c) 2010-2015, Stefan Eilemann <eile@eyescale.ch>
       3             :  *                          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          24 : Client::Client()
      42          24 :     : _impl( 0 )
      43             : {
      44          24 : }
      45             : 
      46          48 : Client::~Client()
      47             : {
      48          24 :     delete _impl;
      49          24 :     LBASSERT( isClosed( ));
      50          24 : }
      51             : 
      52          24 : bool Client::connectServer( co::NodePtr server )
      53             : {
      54          24 :     if( server->isConnected( ))
      55           0 :         return true;
      56             : 
      57          24 :     if( !server->getConnectionDescriptions().empty( ))
      58           0 :         return connect( server );
      59             : 
      60          24 :     co::ConnectionDescriptionPtr connDesc( new co::ConnectionDescription );
      61          24 :     connDesc->port = EQ_DEFAULT_PORT;
      62          24 :     const std::string& globalServer = Global::getServer();
      63          24 :     const char* envServer = getenv( "EQ_SERVER" );
      64          24 :     std::string address = !globalServer.empty() ? globalServer :
      65          48 :                            envServer            ? envServer : "localhost";
      66          24 :     if( !connDesc->fromString( address ))
      67             :     {
      68           0 :         LBWARN << "Can't parse server address " << address << std::endl;
      69           0 :         return false;
      70             :     }
      71          24 :     LBDEBUG << "Connecting server " << connDesc->toString() << std::endl;
      72          24 :     server->addConnectionDescription( connDesc );
      73             : 
      74          24 :     if( connect( server ))
      75           0 :         return true;
      76             : 
      77          24 :     server->removeConnectionDescription( connDesc );
      78          48 :     return false;
      79             : }
      80             : 
      81           0 : bool Client::disconnectServer( co::NodePtr server )
      82             : {
      83           0 :     if( !server->isConnected( ))
      84             :     {
      85           0 :         LBWARN << "Trying to disconnect unconnected server" << std::endl;
      86           0 :         return false;
      87             :     }
      88             : 
      89           0 :     if( disconnect( server ))
      90           0 :         return true;
      91             : 
      92           0 :     LBWARN << "Server disconnect failed" << std::endl;
      93           0 :     return false;
      94             : }
      95             : 
      96          74 : void Client::processCommand( const uint32_t timeout )
      97             : {
      98          74 :     co::CommandQueue* queue = getMainThreadQueue();
      99          74 :     LBASSERT( queue );
     100          74 :     co::ICommand command = queue->pop( timeout );
     101          74 :     if( !command.isValid( )) // wakeup() or timeout delivers invalid command
     102          74 :         return;
     103             : 
     104          74 :     LBCHECK( command( ));
     105             : }
     106             : 
     107         612 : bool Client::dispatchCommand( co::ICommand& command )
     108             : {
     109         612 :     LBVERB << "dispatch " << command << std::endl;
     110             : 
     111         696 :     if( command.getCommand() >= co::CMD_NODE_CUSTOM &&
     112          84 :         command.getCommand() < CMD_SERVER_CUSTOM )
     113             :     {
     114          60 :         co::NodePtr node = command.getRemoteNode();
     115          60 :         return node->co::Dispatcher::dispatchCommand( command );
     116             :     }
     117             : 
     118         552 :     return co::LocalNode::dispatchCommand( command );
     119             : }
     120             : 
     121             : }
     122          84 : }