namespace_resolver.c

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
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//==============================================================================
//
// Author: Frank Scheffler
//
// Modified By:  Adrian Schuur ([e-mail])
//               Marek Szermutzky, IBM ([e-mail])
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//%/////////////////////////////////////////////////////////////////////////////

/*!
  \file resolver.c
  \brief Sample resolver.

  This is a sample resolver component, showing the general functionality
  of a resolver. The results returned upon requests issued by the proxy
  provider are hard-coded, no real lookup is yet done.

  \author Frank Scheffler
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <Pegasus/Provider/CMPI/cmpidt.h>
#include "resolver.h"
#include "debug.h"

#include <Pegasus/Provider/CMPI/cmpimacs.h>
#include <Pegasus/Provider/CMPI/cmpift.h>


/****************************************************************************/


static void _free_addresses ( provider_address * addr )
{
	if ( addr ) {
		_free_addresses ( addr->next );
		free ( addr->dst_address );
		free ( addr->provider_module );
		free ( addr );
	}
}

static provider_address * outofprocess_resolver ( CONST CMPIBroker * broker, const char * provider )
{
	provider_address * addr;
	char *module;

        module=broker->xft->resolveFileName(provider);

	addr = (provider_address *) calloc ( 1, sizeof ( provider_address ) );

	addr->comm_layer_id   = "CMPIROutOfProcessComm";
	addr->dst_address     = strdup ( "0,0" ); /* uid/gid */
	addr->provider_module = strdup ( module );
	addr->destructor = _free_addresses;

	return addr;
}

static provider_address * namespace_resolver ( CONST CMPIBroker * broker,
        const char * provider, char *hostname)
{
	provider_address * addr;
	char *module,*pnp;
	char * in_between;
	in_between = strdup(provider);

	addr = (provider_address *) calloc ( 1, sizeof ( provider_address ) );

	addr->comm_layer_id   = "CMPIRTCPComm";
        addr->dst_address     = strdup ( hostname );


	if ((pnp=strchr(in_between,':'))) {
	   *pnp=0;
	    addr->provider_module = strdup ( in_between );
	}
	else addr->provider_module = strdup ( in_between );

	addr->destructor = _free_addresses;
    free( in_between );
	return addr;
}
provider_address * resolve_instance ( CONST CMPIBroker * broker,
        CONST CMPIContext * ctx, CONST CMPIObjectPath * cop, const char * provider, CMPIStatus * rc)
{
        CMPIStatus irc;
        char *ip;
        provider_address *a=NULL;

        CMPIData info=CMGetContextEntry(ctx,"CMPIRRemoteInfo",&irc);

        if (irc.rc==CMPI_RC_OK) {
           ip=CMGetCharsPtr(info.value.string,&irc);
           switch (ip[1]) {
           case '0':
              a=outofprocess_resolver(broker,provider);
              break;
           case '1':
              a=namespace_resolver(broker,provider,ip+3);
              break;
           }
        }
        else {
        }

	TRACE_NORMAL(("Resolve requested for provider: %s", provider ));
        if (rc) *rc=irc;
	return a;
}

provider_address * resolve_class ( CONST CMPIBroker * broker,
        CONST CMPIContext * ctx, CONST CMPIObjectPath * cop, const char * provider, CMPIStatus * rc)
{
	TRACE_NORMAL(("Resolve requested for provider: %s", provider ));
	return resolve_instance ( broker, ctx, cop, provider, rc );
}




/****************************************************************************/

/*** Local Variables:  ***/
/*** mode: C           ***/
/*** c-basic-offset: 8 ***/
/*** End:              ***/