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| //---------------------------------------------------------------------------
//-----------------------------GETMIBINT-------------------------------------
//---------------------------------------------------------------------------
int _stdcall getMibINT(char* strOid, char* addressIP, char* context,
char* SecurityName, bool SecurityLevel,
char* AuthPassword, char* PrivPassword,
unsigned short port)
{
Snmp::socket_startup(); // Initialize socket subsystem
//---------[ make a GenAddress and Oid object to retrieve ]---------------
UdpAddress address(addressIP); // make a SNMP++ Generic address
if ( !address.valid()) { // check validity of address
return -10;
}
Oid oid(strOid);
if(!oid.valid())
{ // check validity of user oid
return -20;
}
//---------[ determine options to use ]-----------------------------------
snmp_version version=version3; // default is v3
int retries=1; // default retries is 1
int timeout=100; // default is 1 second
OctetStr privPassword(PrivPassword);
OctetStr authPassword(AuthPassword);
OctetStr securityName(SecurityName);
int securityModel = SecurityModel_USM;
long authProtocol;
long privProtocol;
int securityLevel;
if(SecurityLevel==true)
{
//securityLevel = SNMP_SECURITY_LEVEL_AUTH_PRIV;
securityLevel = SNMP_SECURITY_LEVEL_AUTH_NOPRIV;
authProtocol = SNMP_AUTHPROTOCOL_HMACMD5;
privProtocol = SNMP_PRIVPROTOCOL_NONE;
//privProtocol = SNMP_PRIVPROTOCOL_DES;
}
else
{
securityLevel=SecurityLevel_noAuthNoPriv;
authProtocol = SNMPv3_usmNoAuthProtocol;
privProtocol = SNMPv3_usmNoPrivProtocol;
}
OctetStr contextName(context);
OctetStr contextEngineID("");
v3MP *v3_MP;
//----------[ create a SNMP++ session ]-----------------------------------
int status;
// bind to any port and use IPv6 if needed
Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));
if(status != SNMP_CLASS_SUCCESS)
{
return -30;
}
//---------[ init SnmpV3 ]--------------------------------------------
char *engineId = "snmpGet";
char *filename = "snmpv3_boot_counter";
unsigned int snmpEngineBoots = 0;
status = getBootCounter(filename, engineId, snmpEngineBoots);
if ((status != SNMPv3_OK) && (status < SNMPv3_FILEOPEN_ERROR))
{
return -40;
}
snmpEngineBoots++;
status = saveBootCounter(filename, engineId, snmpEngineBoots);
if (status != SNMPv3_OK)
{
return -50;
}
int construct_status;
v3_MP = new v3MP(engineId, snmpEngineBoots, construct_status);
USM *usm = v3_MP->get_usm();
status=usm->add_usm_user(securityName,authProtocol, privProtocol, authPassword, privPassword);
if(status != SNMPv3_USM_OK )
{
return -55;
}
//--------[ build up SNMP++ object needed ]-------------------------------
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid(strOid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
address.set_port(port);
UTarget utarget(address); // make a target using the address
utarget.set_version(version); // set the SNMP version SNMPV1 or V2 or V3
utarget.set_retry(retries); // set the number of auto retries
utarget.set_timeout(timeout); // set timeout
utarget.set_security_model(securityModel);
utarget.set_security_name(securityName);
pdu.set_security_level(securityLevel);
pdu.set_context_name(contextName);
pdu.set_context_engine_id(contextEngineID);
//-------[ issue the request, blocked mode ]-----------------------------
SnmpTarget *target;
target = &utarget;//SNMP V3
status = snmp.get(pdu, *target);
if (status == SNMP_CLASS_SUCCESS)
{
pdu.get_vb( vb,0);
if (pdu.get_type() == REPORT_MSG)
{
return -60;
}
if ((vb.get_syntax() == sNMP_SYNTAX_ENDOFMIBVIEW) ||
(vb.get_syntax() == sNMP_SYNTAX_NOSUCHINSTANCE) ||
(vb.get_syntax() == sNMP_SYNTAX_NOSUCHOBJECT))
{
return -70;
}
int value=0;
if(vb.get_value(value)==SNMP_CLASS_INVALID)
{
return -80;
}
else
{
/*char buffer[10];
sprintf(buffer,"Result Value: %d",value);
MessageBox(NULL,buffer,"Result",MB_OK);*/
return value;
}
}
else
{
return status;
}
Snmp::socket_cleanup(); // Shut down socket subsystem
}
//--------------------------------------------------------------------------- |
