QosketFactory.cc

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/*
 * QosketFactory.cc
 *
 * Copyright (c) 2003 The University of Utah and the Flux Group.
 * All rights reserved.
 *
 * This file is licensed under the terms of the GNU Public License.  
 * See the file "license.terms" for restrictions on redistribution 
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

/**
 * @file QosketFactory.cc
 *
 * The shared library interface for libqosket.
 */

#include "config.h"

#include <string.h>
#include <stdarg.h>
#include <assert_pp.h>

#include <iostream>

#include "time_util.h"
#include "HeyParser.hh"
#include "factory_library.h"

#include "quoC.h"

using namespace std;

/**
 * Handle 'hey's directed at a quo::QuoKernel object.
 *
 * @param orb Pointer to the ORB.
 * @param hp The HeyParser that describes the action to take.
 * @return Zero on success, an errno value otherwise.
 */
static int qfKernelHey(CORBA::ORB_ptr orb, HeyParser &hp)
{
    static HeyPropertyInfo suites[] = {
        HeyPropertyInfo("sys-cond",
                        (1L << HeyParser::CREATE_PROPERTY),
                        "",
                        "app-id:string - system condition name.\n"
                        "idl-type:string - fully qualified name of the syscond IDL type.\n"
                        "impl-type:string - fully qualified name of the implementation class.\n"
                        "\n"
                        "Create a system condition.\n"),
        HeyPropertyInfo::HPI_NULL
    };
    
    const char *prop_name, *prop_value;
    int retval = EXIT_FAILURE;
    CORBA::Object_var obj;
    quo::QuoKernel_var qk;
    
    obj = orb->string_to_object(hp.who());
    qk = quo::QuoKernel::_narrow(obj.in());
    if( CORBA::is_nil(qk.in()) )
    {
        throw CORBA::BAD_PARAM();
    }
    
    switch( hp.what() )
    {
    case HeyParser::LIST_PROPERTIES:
        try
        {
            hp.popProperty(prop_name, prop_value);
        }
        catch(const HeyParserException &e)
        {
            cout << "sys-cond" << endl;
            retval = EXIT_SUCCESS;
        }
        break;
    case HeyParser::CREATE_PROPERTY:
        hp.popProperty(prop_name, prop_value);
        if( strcasecmp(prop_name, "sys-cond") == 0 )
        {
            quo::SysCond_var sc;

            sc = qk->bindSysCond(hp.withValue("app-id"),
                                 hp.withValue("idl-type"),
                                 hp.withValue("impl-type"));
            cout << orb->object_to_string(sc.in()) << endl;
            retval = EXIT_SUCCESS;
        }
        else
        {
            cerr << "Unknown property: " << prop_name;
        }
        break;
    case HeyParser::GET_SUITES:
        cout << suites;
        retval = EXIT_SUCCESS;
        break;
    default:
        cerr << "Unknown verb..." << endl;
        break;
    }
    return( retval );
}

/**
 * Handle 'hey's directed at a quo::ValueSC object.
 *
 * @param orb Pointer to the ORB.
 * @param hp The HeyParser that describes the action to take.
 * @return Zero on success, an errno value otherwise.
 */
static int qfValueSCHey(CORBA::ORB_ptr orb, HeyParser &hp)
{
    static HeyPropertyInfo suites[] = {
        HeyPropertyInfo("long-value",
                        (1L << HeyParser::GET_PROPERTY) |
                        (1L << HeyParser::SET_PROPERTY),
                        "",
                        "Get or set the long value of a ValueSC object.\n"),
        HeyPropertyInfo::HPI_NULL
    };
    
    const char *prop_name, *prop_value;
    int retval = EXIT_FAILURE;
    CORBA::Object_var obj;
    quo::ValueSC_var sc;
    
    obj = orb->string_to_object(hp.who());
    sc = quo::ValueSC::_narrow(obj.in());
    if( CORBA::is_nil(sc.in()) )
    {
        throw CORBA::BAD_PARAM();
    }
    
    switch( hp.what() )
    {
    case HeyParser::LIST_PROPERTIES:
        try
        {
            hp.popProperty(prop_name, prop_value);
        }
        catch(const HeyParserException &e)
        {
            cout << "long-value" << endl;
            retval = EXIT_SUCCESS;
        }
        break;
    case HeyParser::GET_PROPERTY:
        hp.popProperty(prop_name, prop_value);
        if( strcasecmp(prop_name, "long-value") == 0 )
        {
            cout << sc->longValue() << endl;
            retval = EXIT_SUCCESS;
        }
        else
        {
            cerr << "Unknown property: " << prop_name;
        }
        break;
    case HeyParser::SET_PROPERTY:
        hp.popProperty(prop_name, prop_value);
        if( strcasecmp(prop_name, "long-value") == 0 )
        {
            CORBA::Long l;

            if( sscanf(hp.to(), "%ld", (long *)&l) == 1 )
            {
                sc->longValue(l);
                cout << "ok" << endl;
                retval = EXIT_SUCCESS;
            }
            else
            {
                cerr << "Error: not a number" << endl;
            }
        }
        else
        {
            cerr << "Unknown property: " << prop_name;
        }
        break;
    case HeyParser::GET_SUITES:
        cout << suites;
        retval = EXIT_SUCCESS;
        break;
    default:
        cerr << "Unknown verb..." << endl;
        break;
    }
    return( retval );
}

int FACTORY_METHOD_SYMBOL(factory_library_op_t op, int tag, va_list args)
{
    int retval = ENOSYS;

    struct {
        const char *hey_server_hint;
        HeyParser *hey_parser;
        CORBA::ORB_ptr orb;
        ostream *out;
        ostream *err;
    } attr = {
        NULL,
        NULL,
        NULL,
        NULL,
        NULL,
    };

    while( tag != FMA_TAG_DONE )
    {
        switch( tag )
        {
        case FMA_ORB:
            attr.orb = va_arg(args, CORBA::ORB_ptr);
            break;
        case FMA_HeyParser:
            attr.hey_parser = va_arg(args, HeyParser *);
            break;
        case FMA_HeyServerHint:
            attr.hey_server_hint = va_arg(args, const char *);
            break;
        case FMA_StandardOut:
            attr.out = va_arg(args, ostream *);
            break;
        case FMA_StandardError:
            attr.err = va_arg(args, ostream *);
            break;
        default:
            break;
        }
        tag = va_arg(args, int);
    }

    switch( op )
    {
    case FLO_QUERY:
        if( attr.hey_server_hint != NULL )
        {
            if( strcmp(attr.hey_server_hint, "IDL:quo/QuoKernel:1.0") == 0 )
            {
                retval = EXIT_SUCCESS;
            }
            else if( strcmp(attr.hey_server_hint, "IDL:quo/ValueSC:1.0") == 0 )
            {
                retval = EXIT_SUCCESS;
            }
            else
            {
            }
        }
        else
        {
            cout << "\tIDL:quo/QuoKernel:1.0" << endl
                 << "\tIDL:quo/ValueSC:1.0" << endl;
        }
        break;
    case FLO_HEY:
        if( attr.hey_server_hint != NULL )
        {
            try
            {
                if( strcmp(attr.hey_server_hint,
                           "IDL:quo/QuoKernel:1.0") == 0 )
                {
                    retval = qfKernelHey(attr.orb, *attr.hey_parser);
                }
                else if( strcmp(attr.hey_server_hint,
                                "IDL:quo/ValueSC:1.0") == 0 )
                {
                    retval = qfValueSCHey(attr.orb, *attr.hey_parser);
                }
                else
                {
                }
            }
            catch(const HeyParserException &he)
            {
                cerr << "Parse error: " << he << endl;
            }
            catch(const CORBA::SystemException &e)
            {
                cerr << "Caught Exception: " << e << endl;
            }
            catch(...)
            {
                cerr << "Caught an unhandled exception" << endl;
            }
        }
        else
        {
        }
        break;
    default:
        break;
    }
    
    return( retval );
}

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