appltable.c

非常不错的网管开发包

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact vocal\@vovida.org.
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */

#include <config.h>


/* minimal include directives */
#include "mibincl.h"
#include "util_funcs.h"
#include <sys/time.h>
#include <unistd.h>
#include "AgentApi.hxx"
#include "VovidaSnmpUtil.h"
#include "applTable.h"
#include "TrapAgentC.hxx"
#include "TrapAgent.hxx"
#include "Common.h"

oid applTable_variables_oid[] = { 1,3,6,1,2,1,27,1 };

struct variable2 applTable_variables[] = {
/*  magic number        , variable type , ro/rw , callback fn  , L, oidsuffix */
    {applIndex             , ASN_INTEGER , RONLY , var_applTable, 2, { 1,1 } },
    {applName             , ASN_OCTET_STR , RONLY , var_applTable, 2, { 1,2 } },
    {applDirectoryName    , ASN_OCTET_STR , RONLY , var_applTable, 2, { 1,3 } },
    {applVersion          , ASN_OCTET_STR , RONLY , var_applTable, 2, { 1,4 } },
    {applUpTime           , ASN_TIMETICKS , RONLY , var_applTable, 2, { 1,5 } },
    {applOperStatus       , ASN_INTEGER   , RONLY , var_applTable, 2, { 1,6 } },
    {applLastChange       , ASN_TIMETICKS , RONLY , var_applTable, 2, { 1,7 } },

};
/*    (L = length of the oidsuffix) */

/*
 * init_applTable():
 * Find which applications are running on the server and construct
 * the table of information
 */

void init_applTable(void) {

    /* register ourselves with the agent to handle our mib tree */
    REGISTER_MIB("applTable", applTable_variables, variable2,
		 applTable_variables_oid);
}


/*
 * var_applTable():
 *   Handle this table separately from the scalar value case.
 *   The workings of this are basically the same as for var_applTable above.
 */
unsigned char *
var_applTable(struct variable *vp,
	      oid     *name,
	      size_t  *length,
	      int     exact,
	      size_t  *var_len,
	      WriteMethod **write_method)
{

    static long long_ret;
    static unsigned char string[SPRINT_MAX_LEN];
    static oid objid[MAX_OID_LEN];
    static struct counter64 c64;

    int i, oidIndex;
    applInfoT anApplication;
    struct timeval tv;
    struct timezone tz;
    ulong deltaTime;
    int tableSize = TrapAgent_GetNumOfApps((void *)trapAgent);

    if (header_simple_table(vp,name,length,exact,var_len,write_method, tableSize) == MATCH_FAILED ) 
	return 0;
    
    oidIndex = name[*length-1];
    
    anApplication = TrapAgent_GetApplication((void *)trapAgent, oidIndex);
    if (anApplication.index == 0) return 0;

    /* 
     * this is where we do the value assignments for the mib results.
     */
    switch(vp->magic) {

	case applIndex:
      
	    long_ret = oidIndex;
	    return (unsigned char *) &long_ret;
        
	case applName:
        
	    *string = 0;
	    strcpy(string, anApplication.name);
	    *var_len = strlen(string);
	    return (unsigned char *) string;

	case applDirectoryName:
        
	    *string = 0;
	    *var_len = strlen(string);
	    return (unsigned char *) string;

	case applVersion:
        
	    *string = 0;
	    *var_len = strlen(string);
	    return (unsigned char *) string;

	case applUpTime:
	    tz.tz_minuteswest = 0;
	    tz.tz_dsttime = 0;
	    timerclear(&tv);
	    if (gettimeofday(&tv,&tz) > 0 ) {
		perror("applTable:gettimeofday 2 failed:");
		timerclear(&tv);
	    }
	    long_ret = tv.tv_sec - anApplication.startTime.tv_sec;
	    return (unsigned char *) &long_ret;

	case applOperStatus:
        
	    long_ret = anApplication.status;
	    return (unsigned char *) &long_ret;

	case applLastChange:
        
	    tz.tz_minuteswest = 0;
	    tz.tz_dsttime = 0;
	    timerclear(&tv);
	    if (gettimeofday(&tv,&tz) > 0 ) {
		perror("applTable:gettimeofday 2 failed:");
		timerclear(&tv);
	    }
	    long_ret = tv.tv_sec - anApplication.lastUpdateTime.tv_sec;
	    return (unsigned char *) &long_ret;


	default:
	    ERROR_MSG("");
    }
    return 0;
}