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snmp_target_mib Instrumentation Functions for SNMP-TARGET-MIB

The module snmp_target_mib implements the instrumentation functions for the SNMP-TARGET-MIB, and functions for configuring the database.

The configuration files are described in the SNMP User's Manual.

Legacy API functions add_addr/10 that does not specify transport domain, and add_addr/11 that has got separate IpAddr and PortNumber arguments still work as before for backwards compatibility reasons.
DATA TYPES

See the data types in snmpa_conf.

configure(ConfDir) -> void() Configure the SNMP-TARGET-MIB ConfDir = string()

This function is called from the supervisor at system start-up.

Inserts all data in the configuration files into the database and destroys all old rows with StorageType volatile. The rows created from the configuration file will have StorageType nonVolatile.

All snmp counters are set to zero.

If an error is found in the configuration file, it is reported using the function config_err/2 of the error report module, and the function fails with the reason configuration_error.

ConfDir is a string which points to the directory where the configuration files are found.

The configuration files read are: target_addr.conf and target_params.conf.

reconfigure(ConfDir) -> void() Configure the SNMP-TARGET-MIB ConfDir = string()

Inserts all data in the configuration files into the database and destroys all old data, including the rows with StorageType nonVolatile. The rows created from the configuration file will have StorageType nonVolatile.

Thus, the data in the SNMP-TARGET-MIB, after this function has been called, is the data from the configuration files.

All snmp counters are set to zero.

If an error is found in the configuration file, it is reported using the function config_err/2 of the , and the function fails with the reason configuration_error.

ConfDir is a string which points to the directory where the configuration files are found.

The configuration files read are: target_addr.conf and target_params.conf.

set_target_engine_id(TargetAddrName, EngineId) -> boolean() Set the engine id for a targetAddr row. TargetAddrName = string() EngineId = string()

Changes the engine id for a target in the snmpTargetAddrTable. If notifications are sent as Inform requests to a target, its engine id must be set.

add_addr(Name, Domain, Addr, Timeout, Retry, TagList, Params, EngineId, TMask, MMS) -> Ret Add one target address definition Name = string() Domain = transportDomain() Addr = transportAddress() % Default port is 162 Timeout = integer() Retry = integer() TagList = string() ParamsName = string() EngineId = string() TMask = transportAddressMask() % Depends on Domain MMS = integer() Ret = {ok, Key} | {error, Reason} Key = term() Reason = term()

Adds a target address definition to the agent config. Equivalent to one line in the target_addr.conf file.

 delete_addr(Key) -> Ret Delete one target address definition Key = term() Ret = ok | {error, Reason} Reason = term()

Delete a target address definition from the agent config.

 add_params(Name, MPModel, SecModel, SecName, SecLevel) -> Ret Add one target parameter definition Name = string() MPModel = v1 | v2c | v3 SecModel = v1 | v2c | usm SecName = string() SecLevel = noAuthNoPriv | authNoPriv | authPriv Ret = {ok, Key} | {error, Reason} Key = term() Reason = term()

Adds a target parameter definition to the agent config. Equivalent to one line in the target_params.conf file.

 delete_params(Key) -> Ret Delete one target parameter definition Key = term() Ret = ok | {error, Reason} Reason = term()

Delete a target parameter definition from the agent config.