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Notification

async_snmp::notification

Enum Notification 

Source 
pub enum Notification {
    TrapV1 {
        community: Bytes,
        trap: TrapV1Pdu,
    },
    TrapV2c {
        community: Bytes,
        uptime: u32,
        trap_oid: Oid,
        varbinds: Vec<VarBind>,
        request_id: i32,
    },
    TrapV3 {
        username: Bytes,
        context_engine_id: Bytes,
        context_name: Bytes,
        security_level: SecurityLevel,
        uptime: u32,
        trap_oid: Oid,
        varbinds: Vec<VarBind>,
        request_id: i32,
    },
    InformV2c {
        community: Bytes,
        uptime: u32,
        trap_oid: Oid,
        varbinds: Vec<VarBind>,
        request_id: i32,
    },
    InformV3 {
        username: Bytes,
        context_engine_id: Bytes,
        context_name: Bytes,
        security_level: SecurityLevel,
        uptime: u32,
        trap_oid: Oid,
        varbinds: Vec<VarBind>,
        request_id: i32,
    },
}
Expand description

Received SNMP notification.

This enum represents all types of SNMP notifications that can be received:

  • SNMPv1 Trap (different PDU structure)
  • SNMPv2c/v3 Trap (standard PDU with sysUpTime.0 and snmpTrapOID.0)
  • InformRequest (confirmed notification, response will be sent automatically)

Variants§

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TrapV1

SNMPv1 Trap with unique PDU structure.

Fields

§community: Bytes

Community string used for authentication

§trap: TrapV1Pdu

The trap PDU

§

TrapV2c

SNMPv2c Trap (unconfirmed notification).

Fields

§community: Bytes

Community string used for authentication

§uptime: u32

sysUpTime.0 value (hundredths of seconds since agent init)

§trap_oid: Oid

snmpTrapOID.0 value (trap type identifier)

§varbinds: Vec<VarBind>

Additional variable bindings

§request_id: i32

Original request ID (for logging/correlation)

§

TrapV3

SNMPv3 Trap (unconfirmed notification).

Fields

§username: Bytes

Username from USM

§context_engine_id: Bytes

Context engine ID

§context_name: Bytes

Context name

§security_level: SecurityLevel

Security level the message was received at. A NoAuthNoPriv notification is unauthenticated: its username is an unverified claim. Callers requiring authentication must check this.

§uptime: u32

sysUpTime.0 value

§trap_oid: Oid

snmpTrapOID.0 value

§varbinds: Vec<VarBind>

Additional variable bindings

§request_id: i32

Original request ID

§

InformV2c

InformRequest (confirmed notification) - v2c.

A response is automatically sent when this notification is received.

Fields

§community: Bytes

Community string

§uptime: u32

sysUpTime.0 value

§trap_oid: Oid

snmpTrapOID.0 value

§varbinds: Vec<VarBind>

Additional variable bindings

§request_id: i32

Request ID (used in response)

§

InformV3

InformRequest (confirmed notification) - v3.

A response is automatically sent when this notification is received.

Fields

§username: Bytes

Username from USM

§context_engine_id: Bytes

Context engine ID

§context_name: Bytes

Context name

§security_level: SecurityLevel

Security level the message was received at. A NoAuthNoPriv notification is unauthenticated: its username is an unverified claim. Callers requiring authentication must check this.

§uptime: u32

sysUpTime.0 value

§trap_oid: Oid

snmpTrapOID.0 value

§varbinds: Vec<VarBind>

Additional variable bindings

§request_id: i32

Request ID

Implementations§

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impl Notification

Source

pub fn trap_oid(&self) -> Result<Oid>

Get the trap/notification OID.

For TrapV1, this is derived from enterprise + generic/specific trap. For v2c/v3, this is the snmpTrapOID.0 value.

Source

pub fn uptime(&self) -> u32

Get the uptime value (sysUpTime.0 or time_stamp for v1).

Source

pub fn varbinds(&self) -> &[VarBind]

Get the variable bindings.

Source

pub fn security_level(&self) -> Option<SecurityLevel>

Get the security level the notification was received at.

Returns None for v1/v2c notifications (community-based, no USM security level). For v3 notifications, NoAuthNoPriv means the message was not authenticated and its username is an unverified claim.

Source

pub fn is_confirmed(&self) -> bool

Check if this is a confirmed notification (InformRequest).

Source

pub fn version(&self) -> Version

Get the SNMP version of this notification.

Trait Implementations§

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impl Clone for Notification

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fn clone(&self) -> Notification

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Notification

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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