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513 lines
15 KiB
513 lines
15 KiB
/*
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* $Id$
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*
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* SNMPStats Module
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* Copyright (C) 2006 SOMA Networks, INC.
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* Written by: Jeffrey Magder (jmagder@somanetworks.com)
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* History:
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* --------
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* 2006-11-23 initial version (jmagder)
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* 2007-02-16 Moved all OID registrations from the experimental branch to
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* OpenSER's IANA assigned enterprise branch. (jmagder)
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*
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* Note: this file originally auto-generated by mib2c using
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* : mib2c.scalar.conf,v 1.9 2005/01/07 09:37:18 dts12 Exp $
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*
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* This file defines all registration and handling of all scalars defined in the
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* OPENSER-SIP-COMMON-MIB. Please see OPENSER-SIP-COMMON-MIB for the complete
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* descriptions of the individual scalars.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "../../lib/kcore/statistics.h"
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#include "../../config.h"
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#include <net-snmp/net-snmp-config.h>
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#include <net-snmp/net-snmp-includes.h>
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#include <net-snmp/agent/net-snmp-agent-includes.h>
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#include "snmpSIPCommonObjects.h"
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#include "snmpstats_globals.h"
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#include "utilities.h"
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static char *openserVersion = "SIP/2.0";
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static unsigned int openserEntityType = TC_SIP_ENTITY_ROLE_OTHER;
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/*
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* Initializes the openserSIPCommonObjects MIB elements. This involves:
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*
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* - Registering all OID's
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* - Setting up handlers for all OID's
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*
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* This function is mostly auto-generated.
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*/
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void init_openserSIPCommonObjects(void)
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{
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static oid openserSIPProtocolVersion_oid[] =
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{ OPENSER_OID,3,1,1,1,1,1 };
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static oid openserSIPServiceStartTime_oid[] =
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{ OPENSER_OID,3,1,1,1,1,2 };
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static oid openserSIPEntityType_oid[] =
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{ OPENSER_OID,3,1,1,1,1,4 };
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static oid openserSIPSummaryInRequests_oid[] =
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{ OPENSER_OID,3,1,1,1,3,1 };
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static oid openserSIPSummaryOutRequests_oid[] =
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{ OPENSER_OID,3,1,1,1,3,2 };
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static oid openserSIPSummaryInResponses_oid[] =
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{ OPENSER_OID,3,1,1,1,3,3 };
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static oid openserSIPSummaryOutResponses_oid[] =
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{ OPENSER_OID,3,1,1,1,3,4 };
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static oid openserSIPSummaryTotalTransactions_oid[] =
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{ OPENSER_OID,3,1,1,1,3,5 };
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static oid openserSIPCurrentTransactions_oid[] =
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{ OPENSER_OID,3,1,1,1,6,1 };
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static oid openserSIPNumUnsupportedUris_oid[] =
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{ OPENSER_OID,3,1,1,1,8,1 };
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static oid openserSIPNumUnsupportedMethods_oid[] =
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{ OPENSER_OID,3,1,1,1,8,2 };
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static oid openserSIPOtherwiseDiscardedMsgs_oid[] =
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{ OPENSER_OID,3,1,1,1,8,3 };
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DEBUGMSGTL(("openserSIPCommonObjects", "Initializing\n"));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPProtocolVersion",
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handle_openserSIPProtocolVersion,
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openserSIPProtocolVersion_oid,
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OID_LENGTH(openserSIPProtocolVersion_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPServiceStartTime",
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handle_openserSIPServiceStartTime,
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openserSIPServiceStartTime_oid,
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OID_LENGTH(openserSIPServiceStartTime_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPEntityType",
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handle_openserSIPEntityType,
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openserSIPEntityType_oid,
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OID_LENGTH(openserSIPEntityType_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPSummaryInRequests",
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handle_openserSIPSummaryInRequests,
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openserSIPSummaryInRequests_oid,
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OID_LENGTH(openserSIPSummaryInRequests_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPSummaryOutRequests",
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handle_openserSIPSummaryOutRequests,
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openserSIPSummaryOutRequests_oid,
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OID_LENGTH(openserSIPSummaryOutRequests_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPSummaryInResponses",
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handle_openserSIPSummaryInResponses,
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openserSIPSummaryInResponses_oid,
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OID_LENGTH(openserSIPSummaryInResponses_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPSummaryOutResponses",
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handle_openserSIPSummaryOutResponses,
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openserSIPSummaryOutResponses_oid,
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OID_LENGTH(openserSIPSummaryOutResponses_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPSummaryTotalTransactions",
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handle_openserSIPSummaryTotalTransactions,
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openserSIPSummaryTotalTransactions_oid,
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OID_LENGTH(openserSIPSummaryTotalTransactions_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPCurrentTransactions",
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handle_openserSIPCurrentTransactions,
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openserSIPCurrentTransactions_oid,
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OID_LENGTH(openserSIPCurrentTransactions_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPNumUnsupportedUris",
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handle_openserSIPNumUnsupportedUris,
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openserSIPNumUnsupportedUris_oid,
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OID_LENGTH(openserSIPNumUnsupportedUris_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPNumUnsupportedMethods",
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handle_openserSIPNumUnsupportedMethods,
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openserSIPNumUnsupportedMethods_oid,
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OID_LENGTH(openserSIPNumUnsupportedMethods_oid),
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HANDLER_CAN_RONLY));
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netsnmp_register_scalar(
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netsnmp_create_handler_registration(
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"openserSIPOtherwiseDiscardedMsgs",
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handle_openserSIPOtherwiseDiscardedMsgs,
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openserSIPOtherwiseDiscardedMsgs_oid,
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OID_LENGTH(openserSIPOtherwiseDiscardedMsgs_oid),
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HANDLER_CAN_RONLY));
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}
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int handle_openserSIPProtocolVersion(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_OCTET_STR,
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(u_char *) openserVersion, 7);
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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/*
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* The scalar represents what sysUpTime was when OpenSER first started. This
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* data was stored in a file when SNMPStats first started up, as a result of a
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* call to spawn_sysUpTime_child()
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*/
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int handle_openserSIPServiceStartTime(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int elapsedTime = 0;
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char buffer[SNMPGET_MAX_BUFFER];
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FILE *theFile = fopen(SNMPGET_TEMP_FILE, "r");
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/* Open the file created by spawn_sysUpTime_child(), and parse our the
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* required data. */
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if (theFile == NULL) {
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LM_ERR("failed to read sysUpTime file at %s\n",
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SNMPGET_TEMP_FILE);
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} else {
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if(fgets(buffer, SNMPGET_MAX_BUFFER, theFile)==NULL)
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LM_ERR("failed to read from sysUpTime file at %s\n",
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SNMPGET_TEMP_FILE);
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/* Find the positions of '(' and ')' so we can extract out the
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* timeticks value. */
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char *openBracePosition = strchr(buffer, '(');
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char *closedBracePosition = strchr(buffer, ')');
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/* Make sure that both the '(' and ')' exist in the file, and
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* that '(' occurs earlier than the ')'. If all these
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* conditions are true, then attempt to convert the string into
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* an integer. */
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if (openBracePosition != NULL && closedBracePosition != NULL &&
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openBracePosition < closedBracePosition) {
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elapsedTime = (int) strtol(++openBracePosition, NULL, 10);
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}
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fclose(theFile);
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}
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if (reqinfo->mode == MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_TIMETICKS,
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(u_char *) &elapsedTime, sizeof(elapsedTime));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPEntityType(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_OCTET_STR,
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(u_char *) &openserEntityType, 1);
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPSummaryInRequests(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int numRequests = get_statistic("rcv_requests");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &numRequests, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPSummaryOutRequests(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int out_requests = get_statistic("fwd_requests");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &out_requests, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPSummaryInResponses(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int result = get_statistic("rcv_replies");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPSummaryOutResponses(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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/* We can find the number of outbound responses sent by adding three
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* sources
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*
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* 1) fwd_replies from core_stats
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* 2) local_replies and relayed_replies from the tm module
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* 3) sent_replies from the sl module.
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*/
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int fwd_replies = get_statistic("fwd_replies");
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int local_replies = get_statistic("local_replies");
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int relayed_replies = get_statistic("relayed_replies");
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int sent_replies = get_statistic("sent_replies");
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int result =
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fwd_replies + local_replies + relayed_replies + sent_replies;
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPSummaryTotalTransactions(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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/* We can find the total number of transactions by summing
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* UAC_transactions and UAS_transactions. We don't need to add
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* inuse_transactions because this will already be accounted for in the
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* two other statistics. */
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int result =
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get_statistic("UAS_transactions") +
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get_statistic("UAC_transactions");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPCurrentTransactions(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int result = get_statistic("inuse_transactions");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPNumUnsupportedUris(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int result = get_statistic("bad_URIs_rcvd");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPNumUnsupportedMethods(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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int result = get_statistic("unsupported_methods");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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int handle_openserSIPOtherwiseDiscardedMsgs(netsnmp_mib_handler *handler,
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netsnmp_handler_registration *reginfo,
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netsnmp_agent_request_info *reqinfo,
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netsnmp_request_info *requests)
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{
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/* We should be able to get this number from existing stats layed out in
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* the following equation: */
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int result =
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get_statistic("err_requests") +
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get_statistic("err_replies") +
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get_statistic("drop_requests") +
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get_statistic("drop_replies");
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if (reqinfo->mode==MODE_GET) {
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snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
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(u_char *) &result, sizeof(int));
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return SNMP_ERR_NOERROR;
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}
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return SNMP_ERR_GENERR;
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}
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/*
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* Parameter Setting Functions
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*/
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/* If type==STR_PARAM and stringParam is valid, this function will overwrite
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* openserEntityType with a bit value corresponding to the IETF's RFC for
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* the SIP MIB. (Textual Convention SipEntityRole). Anything else is
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* considered an error.
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*
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* Returns 0 on success, -1 on failure.
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*/
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int handleSipEntityType( modparam_t type, void* val)
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{
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/* By default we start off as "other". */
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static char firstTime = 1;
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if (!stringHandlerSanityCheck(type, val, "sipEntityType")) {
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return -1;
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}
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char *strEntityType = (char *)val;
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/* This is our first time through this function, so we need to change
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* openserEntityType from its default to 0, allowing our bitmasks below
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* to work as expected. */
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if (firstTime) {
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firstTime = 0;
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openserEntityType = 0;
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}
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/* Begin our string comparison. This isn't the most efficient approach,
|
|
* but we don't expect this function to be called anywhere other than at
|
|
* startup. So our inefficiency is outweiged by simplicity
|
|
*/
|
|
if (strcasecmp(strEntityType, "other") == 0) {
|
|
openserEntityType |= TC_SIP_ENTITY_ROLE_OTHER;
|
|
}
|
|
else if (strcasecmp(strEntityType, "userAgent") == 0) {
|
|
openserEntityType |= TC_SIP_ENTITY_ROLE_USER_AGENT;
|
|
}
|
|
else if (strcasecmp(strEntityType, "proxyServer") == 0) {
|
|
openserEntityType |= TC_SIP_ENTITY_ROLE_PROXY_SERVER;
|
|
}
|
|
else if (strcasecmp(strEntityType, "redirectServer") == 0) {
|
|
openserEntityType |= TC_SIP_ENTITY_ROLE_REDIRECT_SERVER;
|
|
}
|
|
else if (strcasecmp(strEntityType, "registrarServer") == 0) {
|
|
openserEntityType |= TC_SIP_ENTITY_ROLE_REGISTRAR_SERVER;
|
|
}
|
|
else {
|
|
LM_ERR("The configuration file specified sipEntityType=%s,"
|
|
" an unknown type\n", strEntityType);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|