/*
* $Id: openserSIPCommonObjects.c 1653 2007-02-16 16:28:51Z jmagder $
*
* SNMPStats Module
* Copyright (C) 2006 SOMA Networks, INC.
* Written by: Jeffrey Magder (jmagder@somanetworks.com)
*
* This file is part of openser, a free SIP server.
*
* openser is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* openser 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* History:
* --------
* 2006-11-23 initial version (jmagder)
* 2007-02-16 Moved all OID registrations from the experimental branch to
* OpenSER's IANA assigned enterprise branch. (jmagder)
*
* Note: this file originally auto-generated by mib2c using
* : mib2c.scalar.conf,v 1.9 2005/01/07 09:37:18 dts12 Exp $
*
* This file defines all registration and handling of all scalars defined in the
* OPENSER-SIP-COMMON-MIB. Please see OPENSER-SIP-COMMON-MIB for the complete
* descriptions of the individual scalars.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../../statistics.h"
#include "../../config.h"
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "openserSIPCommonObjects.h"
#include "snmpstats_globals.h"
#include "utilities.h"
static char *openserVersion = "SIP/2.0";
static unsigned int openserEntityType = TC_SIP_ENTITY_ROLE_OTHER;
/*
* Initializes the openserSIPCommonObjects MIB elements. This involves:
*
* - Registering all OID's
* - Setting up handlers for all OID's
*
* This function is mostly auto-generated.
*/
void init_openserSIPCommonObjects(void)
{
static oid openserSIPProtocolVersion_oid[] =
{ OPENSER_OID,3,1,1,1,1,1 };
static oid openserSIPServiceStartTime_oid[] =
{ OPENSER_OID,3,1,1,1,1,2 };
static oid openserSIPEntityType_oid[] =
{ OPENSER_OID,3,1,1,1,1,4 };
static oid openserSIPSummaryInRequests_oid[] =
{ OPENSER_OID,3,1,1,1,3,1 };
static oid openserSIPSummaryOutRequests_oid[] =
{ OPENSER_OID,3,1,1,1,3,2 };
static oid openserSIPSummaryInResponses_oid[] =
{ OPENSER_OID,3,1,1,1,3,3 };
static oid openserSIPSummaryOutResponses_oid[] =
{ OPENSER_OID,3,1,1,1,3,4 };
static oid openserSIPSummaryTotalTransactions_oid[] =
{ OPENSER_OID,3,1,1,1,3,5 };
static oid openserSIPCurrentTransactions_oid[] =
{ OPENSER_OID,3,1,1,1,6,1 };
static oid openserSIPNumUnsupportedUris_oid[] =
{ OPENSER_OID,3,1,1,1,8,1 };
static oid openserSIPNumUnsupportedMethods_oid[] =
{ OPENSER_OID,3,1,1,1,8,2 };
static oid openserSIPOtherwiseDiscardedMsgs_oid[] =
{ OPENSER_OID,3,1,1,1,8,3 };
DEBUGMSGTL(("openserSIPCommonObjects", "Initializing\n"));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPProtocolVersion",
handle_openserSIPProtocolVersion,
openserSIPProtocolVersion_oid,
OID_LENGTH(openserSIPProtocolVersion_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPServiceStartTime",
handle_openserSIPServiceStartTime,
openserSIPServiceStartTime_oid,
OID_LENGTH(openserSIPServiceStartTime_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPEntityType",
handle_openserSIPEntityType,
openserSIPEntityType_oid,
OID_LENGTH(openserSIPEntityType_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPSummaryInRequests",
handle_openserSIPSummaryInRequests,
openserSIPSummaryInRequests_oid,
OID_LENGTH(openserSIPSummaryInRequests_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPSummaryOutRequests",
handle_openserSIPSummaryOutRequests,
openserSIPSummaryOutRequests_oid,
OID_LENGTH(openserSIPSummaryOutRequests_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPSummaryInResponses",
handle_openserSIPSummaryInResponses,
openserSIPSummaryInResponses_oid,
OID_LENGTH(openserSIPSummaryInResponses_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPSummaryOutResponses",
handle_openserSIPSummaryOutResponses,
openserSIPSummaryOutResponses_oid,
OID_LENGTH(openserSIPSummaryOutResponses_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPSummaryTotalTransactions",
handle_openserSIPSummaryTotalTransactions,
openserSIPSummaryTotalTransactions_oid,
OID_LENGTH(openserSIPSummaryTotalTransactions_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPCurrentTransactions",
handle_openserSIPCurrentTransactions,
openserSIPCurrentTransactions_oid,
OID_LENGTH(openserSIPCurrentTransactions_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPNumUnsupportedUris",
handle_openserSIPNumUnsupportedUris,
openserSIPNumUnsupportedUris_oid,
OID_LENGTH(openserSIPNumUnsupportedUris_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPNumUnsupportedMethods",
handle_openserSIPNumUnsupportedMethods,
openserSIPNumUnsupportedMethods_oid,
OID_LENGTH(openserSIPNumUnsupportedMethods_oid),
HANDLER_CAN_RONLY));
netsnmp_register_scalar(
netsnmp_create_handler_registration(
"openserSIPOtherwiseDiscardedMsgs",
handle_openserSIPOtherwiseDiscardedMsgs,
openserSIPOtherwiseDiscardedMsgs_oid,
OID_LENGTH(openserSIPOtherwiseDiscardedMsgs_oid),
HANDLER_CAN_RONLY));
}
int handle_openserSIPProtocolVersion(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_OCTET_STR,
(u_char *) openserVersion, 7);
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
/*
* The scalar represents what sysUpTime was when OpenSER first started. This
* data was stored in a file when SNMPStats first started up, as a result of a
* call to spawn_sysUpTime_child()
*/
int handle_openserSIPServiceStartTime(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int elapsedTime = 0;
char buffer[SNMPGET_MAX_BUFFER];
FILE *theFile = fopen(SNMPGET_TEMP_FILE, "r");
/* Open the file created by spawn_sysUpTime_child(), and parse our the
* required data. */
if (theFile == NULL) {
LOG(L_ERR, "ERROR: SNMPStats: couldn't read sysUpTime file at "
"%s\n", SNMPGET_TEMP_FILE);
} else {
fgets(buffer, SNMPGET_MAX_BUFFER, theFile);
/* Find the positions of '(' and ')' so we can extract out the
* timeticks value. */
char *openBracePosition = strchr(buffer, '(');
char *closedBracePosition = strchr(buffer, ')');
/* Make sure that both the '(' and ')' exist in the file, and
* that '(' occurs earlier than the ')'. If all these
* conditions are true, then attempt to convert the string into
* an integer. */
if (openBracePosition != NULL && closedBracePosition != NULL &&
openBracePosition < closedBracePosition) {
elapsedTime = (int) strtol(++openBracePosition, NULL, 10);
}
fclose(theFile);
}
if (reqinfo->mode == MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_TIMETICKS,
(u_char *) &elapsedTime, sizeof(elapsedTime));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPEntityType(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_OCTET_STR,
(u_char *) &openserEntityType, 1);
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPSummaryInRequests(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int numRequests = get_statistic("rcv_requests");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &numRequests, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPSummaryOutRequests(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int out_requests = get_statistic("fwd_requests");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &out_requests, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPSummaryInResponses(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int result = get_statistic("rcv_replies");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPSummaryOutResponses(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
/* We can find the number of outbound responses sent by adding three
* sources
*
* 1) fwd_replies from core_stats
* 2) local_replies and relayed_replies from the tm module
* 3) sent_replies from the sl module.
*/
int fwd_replies = get_statistic("fwd_replies");
int local_replies = get_statistic("local_replies");
int relayed_replies = get_statistic("relayed_replies");
int sent_replies = get_statistic("sent_replies");
int result =
fwd_replies + local_replies + relayed_replies + sent_replies;
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPSummaryTotalTransactions(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
/* We can find the total number of transactions by summing
* UAC_transactions and UAS_transactions. We don't need to add
* inuse_transactions because this will already be accounted for in the
* two other statistics. */
int result =
get_statistic("UAS_transactions") +
get_statistic("UAC_transactions");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPCurrentTransactions(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int result = get_statistic("inuse_transactions");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_GAUGE,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPNumUnsupportedUris(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int result = get_statistic("bad_URIs_rcvd");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPNumUnsupportedMethods(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
int result = get_statistic("unsupported_methods");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
int handle_openserSIPOtherwiseDiscardedMsgs(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
/* We should be able to get this number from existing stats layed out in
* the following equation: */
int result =
get_statistic("err_requests") +
get_statistic("err_replies") +
get_statistic("drop_requests") +
get_statistic("drop_replies");
if (reqinfo->mode==MODE_GET) {
snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
(u_char *) &result, sizeof(int));
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_GENERR;
}
/*
* Parameter Setting Functions
*/
/* If type==STR_PARAM and stringParam is valid, this function will overwrite
* openserEntityType with a bit value corresponding to the IETF's RFC for
* the SIP MIB. (Textual Convention SipEntityRole). Anything else is
* considered an error.
*
* Returns 0 on success, -1 on failure.
*/
int handleSipEntityType( modparam_t type, void* val)
{
/* By default we start off as "other". */
static char firstTime = 1;
if (!stringHandlerSanityCheck(type, val, "sipEntityType")) {
return -1;
}
char *strEntityType = (char *)val;
/* This is our first time through this function, so we need to change
* openserEntityType from its default to 0, allowing our bitmasks below
* to work as expected. */
if (firstTime) {
firstTime = 0;
openserEntityType = 0;
}
/* 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 {
LOG(L_ERR,"ERROR: SNMPStats: The configuration file specified "
"sipEntityType=%s, an unknown type\n",
strEntityType);
return -1;
}
return 0;
}
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