snmp_core.h File Reference

#include "acl/Data.h"
#include "acl/ParameterizedNode.h"
#include "cache_snmp.h"
#include "comm/forward.h"
#include "ip/forward.h"
#include "snmp_vars.h"
#include <optional>

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Classes
struct	_mib_tree_entry
class	Acl::SnmpCommunityCheck
	an "snmp_community" ACL More...

Namespaces
namespace	Acl

Macros
#define	SNMP_REQUEST_SIZE   4096
#define	MAX_PROTOSTAT   5

Typedefs
typedef variable_list *()	oid_ParseFn(variable_list *, snint *)
typedef struct _mib_tree_entry	mib_tree_entry
typedef oid *()	instance_Fn(oid *name, snint *len, mib_tree_entry *current, oid_ParseFn **Fn)

Enumerations
enum	AggrType {   atNone = 0 , atSum , atAverage , atMax ,   atMin }

Functions
struct snmp_pdu *	snmpAgentResponse (struct snmp_pdu *PDU)
AggrType	snmpAggrType (oid *Current, snint CurrentLen)
const char *	snmpDebugOid (const oid *, snint Len, MemBuf &outbuf)
void	addr2oid (Ip::Address &addr, oid *Dest)
std::optional< Ip::Address >	oid2addr (const oid *, size_t)

Variables
Comm::ConnectionPointer	snmpOutgoingConn
PF	snmpHandleUdp

Macro Definition Documentation

MAX_PROTOSTAT

#define MAX_PROTOSTAT   5

Definition at line 26 of file snmp_core.h.

SNMP_REQUEST_SIZE

#define SNMP_REQUEST_SIZE   4096

Definition at line 25 of file snmp_core.h.

Typedef Documentation

instance_Fn

typedef oid *() instance_Fn(oid *name, snint *len, mib_tree_entry *current, oid_ParseFn **Fn)

Definition at line 30 of file snmp_core.h.

mib_tree_entry

typedef struct _mib_tree_entry mib_tree_entry

Definition at line 29 of file snmp_core.h.

oid_ParseFn

typedef variable_list *() oid_ParseFn(variable_list *, snint *)

Definition at line 28 of file snmp_core.h.

Enumeration Type Documentation

AggrType

enum AggrType

Enumerator
atNone
atSum
atAverage
atMax
atMin

Definition at line 31 of file snmp_core.h.

Function Documentation

addr2oid()

void addr2oid	(	Ip::Address &	addr,
		oid *	Dest
	)

Definition at line 1076 of file snmp_core.cc.

References debugs, Ip::Address::getInAddr(), INETADDRESSTYPE_IPV4, INETADDRESSTYPE_IPV6, Ip::Address::isIPv6(), size, and snmpDebugOid().

Referenced by client_Inst().

oid2addr()

std::optional< Ip::Address > oid2addr	(	const oid *	id,
		size_t	size
	)

Parses raw OID suffix of a given size as an IP address.

Returns

nil if the suffix does not represent an IPv4 or IPv6 address

Definition at line 1108 of file snmp_core.cc.

References debugs, size, and snmpDebugOid().

Referenced by client_Inst(), and snmp_meshCtblFn().

snmpAgentResponse()

struct snmp_pdu * snmpAgentResponse

(

struct snmp_pdu *

PDU

)

Definition at line 471 of file snmp_core.cc.

References snmp_pdu::command, debugs, snmp_pdu::errindex, snmp_pdu::errstat, variable_list::name, variable_list::name_length, variable_list::next_variable, snmp_pdu::reqid, SNMP_ERR_NOERROR, SNMP_ERR_NOSUCHNAME, snmp_pdu_create(), SNMP_PDU_GET, SNMP_PDU_GETNEXT, SNMP_PDU_RESPONSE, snmp_var_free(), snmp_var_new(), snmpTreeGet(), snmpTreeNext(), snmp_pdu::variables, and xfree.

Referenced by Snmp::SendResponse(), and snmpConstructReponse().

snmpAggrType()

AggrType snmpAggrType	(	oid *	Current,
		snint	CurrentLen
	)

Definition at line 584 of file snmp_core.cc.

References _mib_tree_entry::aggrType, atNone, debugs, mib_tree_head, MYNAME, _mib_tree_entry::name, and snmpTreeEntry().

Referenced by Snmp::Pdu::aggregate(), and Snmp::Pdu::fixAggregate().

snmpDebugOid()

const char * snmpDebugOid	(	const oid *	Name,
		snint	Len,
		MemBuf &	outbuf
	)

Definition at line 1050 of file snmp_core.cc.

References MemBuf::append(), MemBuf::content(), and MemBuf::reset().

Referenced by addr2oid(), oid2addr(), snmp_meshCtblFn(), snmp_netDnsFn(), snmp_netFqdnFn(), snmp_netIpFn(), snmp_sysFn(), snmpAddNode(), snmpTreeGet(), and snmpTreeNext().

Variable Documentation

snmpHandleUdp

PF snmpHandleUdp

extern

Referenced by snmpHandleUdp(), and snmpPortOpened().

snmpOutgoingConn

Comm::ConnectionPointer snmpOutgoingConn

extern

Definition at line 40 of file snmp_core.cc.

Referenced by snmpClosePorts(), snmpOpenPorts(), and snmpPortOpened().