ServiceRequesterI.cpp

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/***************************************************************************
  tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  ServiceRequesterI.cpp

                        ServiceRequesterI.cpp -  description
                           -------------------
    begin                : Tue September 07 2010
    copyright            : (C) 2010 The SourceWorks
    email                : peter@thesourceworks.com

 ***************************************************************************
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 *   resulting executable to be covered by the GNU General Public          *
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// -*- C++ -*-
//
// $Id$

// ****  Code generated by the The ACE ORB (TAO) IDL Compiler ****
// TAO and the TAO IDL Compiler have been developed by:
//       Center for Distributed Object Computing
//       Washington University
//       St. Louis, MO
//       USA
//       http://www.cs.wustl.edu/~schmidt/doc-center.html
// and
//       Distributed Object Computing Laboratory
//       University of California at Irvine
//       Irvine, CA
//       USA
//       http://doc.ece.uci.edu/
// and
//       Institute for Software Integrated Systems
//       Vanderbilt University
//       Nashville, TN
//       USA
//       http://www.isis.vanderbilt.edu/
//
// Information about TAO is available at:
//     http://www.cs.wustl.edu/~schmidt/TAO.html

// TAO_IDL - Generated from
// ../../../ACE_wrappers/TAO/TAO_IDL/be/be_codegen.cpp:1196

#include "ServiceRequesterI.h"
#include "CorbaOperationCallerFactory.hpp"
#include "TaskContext.hpp"

using namespace RTT;
using namespace RTT::detail;

// Implementation skeleton constructor
RTT_corba_CServiceRequester_i::RTT_corba_CServiceRequester_i ( RTT::ServiceRequester::shared_ptr service, PortableServer::POA_ptr poa )
    : mservice(service), mpoa( PortableServer::POA::_duplicate(poa) )
{
}

// Implementation skeleton destructor
RTT_corba_CServiceRequester_i::~RTT_corba_CServiceRequester_i (void)
{
}

char * RTT_corba_CServiceRequester_i::getRequestName (
    void)
{
    return CORBA::string_dup( mservice->getRequestName().c_str() );
}

::RTT::corba::CRequestNames * RTT_corba_CServiceRequester_i::getRequestNames (
    void)
{
    ServiceRequester::RequesterNames names = mservice->getRequesterNames();
    ::RTT::corba::CRequestNames_var result = new ::RTT::corba::CRequestNames();
    result->length( names.size() );
    for (unsigned int i=0; i != names.size(); ++i )
        result[i] = CORBA::string_dup( names[i].c_str() );

    return result._retn();
}

::RTT::corba::COperationCallerNames * RTT_corba_CServiceRequester_i::getOperationCallerNames (
    void)
{
    ServiceRequester::OperationCallerNames names = mservice->getOperationCallerNames();
    ::RTT::corba::COperationCallerNames_var result = new ::RTT::corba::COperationCallerNames();
    result->length( names.size() );
    for (unsigned int i=0; i != names.size(); ++i )
        result[i] = CORBA::string_dup( names[i].c_str() );

    return result._retn();
}

::RTT::corba::CServiceRequester_ptr RTT_corba_CServiceRequester_i::getRequest (
    const char * service_name)
{
    std::string svc(service_name);
    if ( svc == "this" )
        return _this();

    ServiceRequester::shared_ptr requester = mservice->requires(svc);

    // Creates service requester
    if ( mrequests.find(svc) == mrequests.end() ) {
        log(Debug) << "Creating CServiceRequester for "<< service_name <<endlog();
        RTT_corba_CServiceRequester_i* mserv;
        mserv = new RTT_corba_CServiceRequester_i( requester, mpoa );
        CServiceRequester_ptr request = mserv->activate_this();
        mrequests[svc] = std::pair<RTT::corba::CServiceRequester_var, PortableServer::ServantBase_var>(request,mserv);
    }
    // Now return it.
    return RTT::corba::CServiceRequester::_duplicate( mrequests[svc].first.in() );
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::hasRequest (
    const char * name)
{
    return mservice->requiresService( name );
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::connectTo (
    ::RTT::corba::CService_ptr svc)
{
    ServiceRequester::OperationCallerNames names = mservice->getOperationCallerNames();

    for (unsigned int i=0; i != names.size(); ++i )
        connectCallerTo( names[i].c_str(), svc);

    return mservice->ready();;
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::connectCallerTo (
      const char * name,
      ::RTT::corba::CService_ptr svc)
{
    std::string oname(name);
    if ( mservice->getOperationCaller(oname) == 0) {
        log(Error) << "No such OperationCaller: " << oname << " in "<< mservice->getRequestName()<<endlog();
        return false;
    }
    try {
        (void) svc->getArity(oname.c_str());
    } catch( ::RTT::corba::CNoSuchNameException& ) {
        CORBA::String_var svcname = svc->getName();
        log(Error) << "No such Operation: " << oname << " in "<< svcname.in() << endlog();
        return false;
    }

    // creates a local factory for this remote method.
    OperationInterfacePart* tmp = new CorbaOperationCallerFactory(oname, svc, mpoa.in() );
    return mservice->getOperationCaller(oname)->setImplementationPart( tmp, mservice->getServiceOwner()->engine() );
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::disconnectCaller (
      const char * name )
{
    std::string oname(name);
    if ( mservice->getOperationCaller(oname) == 0) {
        log(Error) << "No such OperationCaller: " << oname << " in "<< mservice->getRequestName()<<endlog();
        return false;
    }
    // disconnects.
    mservice->getOperationCaller(oname)->disconnect();
    return true;
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::callerReady (
      const char * name )
{
    std::string oname(name);
    if ( mservice->getOperationCaller(oname) == 0) {
        log(Error) << "No such OperationCaller: " << oname << " in "<< mservice->getRequestName()<<endlog();
        return false;
    }
    // disconnects.
    return mservice->getOperationCaller(oname)->ready();
}

::CORBA::Boolean RTT_corba_CServiceRequester_i::ready (
    void)
{
    return mservice->ready();
}

void RTT_corba_CServiceRequester_i::disconnect (
    void)
{
    mservice->disconnect();
}

::RTT::corba::CServiceRequesterDescription * RTT_corba_CServiceRequester_i::getCServiceRequesterDescription (
    void)
{
    ::RTT::corba::CServiceRequesterDescription_var d = new ::RTT::corba::CServiceRequesterDescription;

    d->name = getRequestName();

    ::RTT::corba::COperationCallerNames_var operationcallernames = getOperationCallerNames();
    d->operationcallernames = operationcallernames;

    ServiceRequester::RequesterNames requesters = mservice->getRequesterNames();
    d->children.length( requesters.size() );
    d->children_descriptions.length( requesters.size() );
    unsigned int j = 0;
    for (unsigned int i=0; i != requesters.size(); ++i )
    {
        if (requesters[i] == "this") continue;

        ::RTT::corba::CServiceRequester_ptr requester = getRequest(requesters[i].c_str());
        RequestersMap::iterator it = mrequests.find(requesters[i]);
        if (it != mrequests.end()) {
            RTT_corba_CServiceRequester_i *child = dynamic_cast<RTT_corba_CServiceRequester_i *>(it->second.second.in());
            if (child) {
                ::RTT::corba::CServiceRequesterDescription_var child_description = child->getCServiceRequesterDescription();
                d->children[j] = requester;
                d->children_descriptions[j] = child_description;
                j++;
            }
        }
    }
    d->children.length(j); // set real size
    d->children_descriptions.length(j); // set real size

    return d._retn();
}