NCModule.cc

// NCModule.cc
 
// This file is part of bes, A C++ back-end server implementation framework
// for the OPeNDAP Data Access Protocol.
 
// Copyright (c) 2004,2005 University Corporation for Atmospheric Research
// Author: Patrick West <pwest@ucar.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact University Corporation for Atmospheric Research at
// 3080 Center Green Drive, Boulder, CO 80301
 
// (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
// Please read the full copyright statement in the file COPYRIGHT_UCAR.
//
// Authors:
//      pwest       Patrick West <pwest@ucar.edu>
 
#include <iostream>
 
#include <BESRequestHandlerList.h>
#include <BESDapService.h>
#include <BESContainerStorageList.h>
#include <BESFileContainerStorage.h>
#include <BESCatalogDirectory.h>
#include <BESCatalogList.h>
#include <BESDebug.h>
 
#include "NCModule.h"
#include "NCRequestHandler.h"
 
using std::endl;
using std::ostream;
using std::string;
 
#define NC_CATALOG "catalog"
 
void NCModule::initialize(const string & modname)
{
    BESDEBUG("nc", "Initializing NC module " << modname << endl);
 
    BESRequestHandler *handler = new NCRequestHandler(modname);
    BESRequestHandlerList::TheList()->add_handler(modname, handler);
 
    BESDapService::handle_dap_service(modname);
 
    if (!BESCatalogList::TheCatalogList()->ref_catalog( NC_CATALOG)) {
        BESCatalogList::TheCatalogList()->add_catalog(new BESCatalogDirectory( NC_CATALOG));
    }
    else {
        BESDEBUG("nc", "    catalog already exists, skipping" << endl);
    }
 
    if (!BESContainerStorageList::TheList()->ref_persistence( NC_CATALOG)) {
        BESContainerStorageList::TheList()->add_persistence(new BESFileContainerStorage( NC_CATALOG));
    }
    else {
        BESDEBUG("nc", "    storage already exists, skipping" << endl);
    }
 
    BESDebug::Register("nc");
 
    BESDEBUG("nc", "Done Initializing NC module " << modname << endl);
}
 
void NCModule::terminate(const string & modname)
{
    BESDEBUG("nc", "Cleaning NC module " << modname << endl);
 
    BESRequestHandler *rh = BESRequestHandlerList::TheList()->remove_handler(modname);
    if (rh) delete rh;
 
    BESContainerStorageList::TheList()->deref_persistence( NC_CATALOG);
 
    BESCatalogList::TheCatalogList()->deref_catalog( NC_CATALOG);
 
    BESDEBUG("nc", "Done Cleaning NC module " << modname << endl);
}

void NCModule::dump(ostream & strm) const
{
    strm << BESIndent::LMarg << "NCModule::dump - (" << (void *) this << ")" << endl;
}
 
extern "C" BESAbstractModule * maker()
{
    return new NCModule;
}