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<img alt="Erlang logo" src="../../../../doc/erlang-logo.png"><br><small><a href="users_guide.html">User's Guide</a><br><a href="index.html">Reference Manual</a><br><a href="release_notes.html">Release Notes</a><br><a href="../pdf/snmp-4.22.1.pdf">PDF</a><br><a href="../../../../doc/index.html">Top</a></small><p><strong>Simple Network Management Protocol (SNMP)</strong><br><strong>Reference Manual</strong><br><small>Version 4.22.1</small></p>
<br><a href="javascript:openAllFlips()">Expand All</a><br><a href="javascript:closeAllFlips()">Contract All</a><p><small><strong>Table of Contents</strong></small></p>
<ul class="flipMenu">
<li id="no" title="snmp " expanded="false">snmp<ul>
<li><a href="snmp.html">
Top of manual page
</a></li>
<li title="config-0"><a href="snmp.html#config-0">config/0</a></li>
<li title="start-0"><a href="snmp.html#start-0">start/0</a></li>
<li title="start-1"><a href="snmp.html#start-1">start/1</a></li>
<li title="start_agent-0"><a href="snmp.html#start_agent-0">start_agent/0</a></li>
<li title="start_agent-1"><a href="snmp.html#start_agent-1">start_agent/1</a></li>
<li title="start_manager-0"><a href="snmp.html#start_manager-0">start_manager/0</a></li>
<li title="start_manager-1"><a href="snmp.html#start_manager-1">start_manager/1</a></li>
<li title="date_and_time-0"><a href="snmp.html#date_and_time-0">date_and_time/0</a></li>
<li title="date_and_time_to_universal_time_dst-1"><a href="snmp.html#date_and_time_to_universal_time_dst-1">date_and_time_to_universal_time_dst/1</a></li>
<li title="date_and_time_to_string-1"><a href="snmp.html#date_and_time_to_string-1">date_and_time_to_string/1</a></li>
<li title="date_and_time_to_string-2"><a href="snmp.html#date_and_time_to_string-2">date_and_time_to_string/2</a></li>
<li title="date_and_time_to_string2-1"><a href="snmp.html#date_and_time_to_string2-1">date_and_time_to_string2/1</a></li>
<li title="local_time_to_date_and_time_dst-1"><a href="snmp.html#local_time_to_date_and_time_dst-1">local_time_to_date_and_time_dst/1</a></li>
<li title="universal_time_to_date_and_time-1"><a href="snmp.html#universal_time_to_date_and_time-1">universal_time_to_date_and_time/1</a></li>
<li title="validate_date_and_time-1"><a href="snmp.html#validate_date_and_time-1">validate_date_and_time/1</a></li>
<li title="validate_date_and_time-2"><a href="snmp.html#validate_date_and_time-2">validate_date_and_time/2</a></li>
<li title="passwd2localized_key-3"><a href="snmp.html#passwd2localized_key-3">passwd2localized_key/3</a></li>
<li title="octet_string_to_bits-1"><a href="snmp.html#octet_string_to_bits-1">octet_string_to_bits/1</a></li>
<li title="bits_to_octet_string-1"><a href="snmp.html#bits_to_octet_string-1">bits_to_octet_string/1</a></li>
<li title="read_mib-1"><a href="snmp.html#read_mib-1">read_mib/1</a></li>
<li title="log_to_txt-5"><a href="snmp.html#log_to_txt-5">log_to_txt/5</a></li>
<li title="log_to_txt-6"><a href="snmp.html#log_to_txt-6">log_to_txt/6</a></li>
<li title="log_to_txt-7"><a href="snmp.html#log_to_txt-7">log_to_txt/7</a></li>
<li title="log_to_io-4"><a href="snmp.html#log_to_io-4">log_to_io/4</a></li>
<li title="log_to_io-5"><a href="snmp.html#log_to_io-5">log_to_io/5</a></li>
<li title="log_to_io-6"><a href="snmp.html#log_to_io-6">log_to_io/6</a></li>
<li title="change_log_size-2"><a href="snmp.html#change_log_size-2">change_log_size/2</a></li>
<li title="print_version_info-0"><a href="snmp.html#print_version_info-0">print_version_info/0</a></li>
<li title="print_version_info-1"><a href="snmp.html#print_version_info-1">print_version_info/1</a></li>
<li title="versions1-0"><a href="snmp.html#versions1-0">versions1/0</a></li>
<li title="versions2-0"><a href="snmp.html#versions2-0">versions2/0</a></li>
<li title="print_versions-1"><a href="snmp.html#print_versions-1">print_versions/1</a></li>
<li title="print_versions-2"><a href="snmp.html#print_versions-2">print_versions/2</a></li>
<li title="enable_trace-0"><a href="snmp.html#enable_trace-0">enable_trace/0</a></li>
<li title="disable_trace-0"><a href="snmp.html#disable_trace-0">disable_trace/0</a></li>
<li title="set_trace-1"><a href="snmp.html#set_trace-1">set_trace/1</a></li>
<li title="reset_trace-1"><a href="snmp.html#reset_trace-1">reset_trace/1</a></li>
<li title="set_trace-2"><a href="snmp.html#set_trace-2">set_trace/2</a></li>
</ul>
</li>
<li title="snmp (App)"><a href="snmp_app.html">snmp (App)
</a></li>
<li id="loadscrollpos" title="snmpa " expanded="true">snmpa<ul>
<li><a href="snmpa.html">
Top of manual page
</a></li>
<li title="add_agent_caps-2"><a href="snmpa.html#add_agent_caps-2">add_agent_caps/2</a></li>
<li title="del_agent_caps-1"><a href="snmpa.html#del_agent_caps-1">del_agent_caps/1</a></li>
<li title="get_agent_caps-0"><a href="snmpa.html#get_agent_caps-0">get_agent_caps/0</a></li>
<li title="get-2"><a href="snmpa.html#get-2">get/2</a></li>
<li title="get-3"><a href="snmpa.html#get-3">get/3</a></li>
<li title="get_next-2"><a href="snmpa.html#get_next-2">get_next/2</a></li>
<li title="get_next-3"><a href="snmpa.html#get_next-3">get_next/3</a></li>
<li title="backup-1"><a href="snmpa.html#backup-1">backup/1</a></li>
<li title="backup-2"><a href="snmpa.html#backup-2">backup/2</a></li>
<li title="info-0"><a href="snmpa.html#info-0">info/0</a></li>
<li title="info-1"><a href="snmpa.html#info-1">info/1</a></li>
<li title="old_info_format-1"><a href="snmpa.html#old_info_format-1">old_info_format/1</a></li>
<li title="load_mibs-1"><a href="snmpa.html#load_mibs-1">load_mibs/1</a></li>
<li title="load_mibs-2"><a href="snmpa.html#load_mibs-2">load_mibs/2</a></li>
<li title="unload_mibs-1"><a href="snmpa.html#unload_mibs-1">unload_mibs/1</a></li>
<li title="unload_mibs-2"><a href="snmpa.html#unload_mibs-2">unload_mibs/2</a></li>
<li title="which_mibs-0"><a href="snmpa.html#which_mibs-0">which_mibs/0</a></li>
<li title="which_mibs-1"><a href="snmpa.html#which_mibs-1">which_mibs/1</a></li>
<li title="whereis_mib-1"><a href="snmpa.html#whereis_mib-1">whereis_mib/1</a></li>
<li title="whereis_mib-2"><a href="snmpa.html#whereis_mib-2">whereis_mib/2</a></li>
<li title="current_request_id-0"><a href="snmpa.html#current_request_id-0">current_request_id/0</a></li>
<li title="current_context-0"><a href="snmpa.html#current_context-0">current_context/0</a></li>
<li title="current_community-0"><a href="snmpa.html#current_community-0">current_community/0</a></li>
<li title="current_address-0"><a href="snmpa.html#current_address-0">current_address/0</a></li>
<li title="enum_to_int-2"><a href="snmpa.html#enum_to_int-2">enum_to_int/2</a></li>
<li title="enum_to_int-3"><a href="snmpa.html#enum_to_int-3">enum_to_int/3</a></li>
<li title="int_to_enum-2"><a href="snmpa.html#int_to_enum-2">int_to_enum/2</a></li>
<li title="int_to_enum-3"><a href="snmpa.html#int_to_enum-3">int_to_enum/3</a></li>
<li title="name_to_oid-1"><a href="snmpa.html#name_to_oid-1">name_to_oid/1</a></li>
<li title="name_to_oid-2"><a href="snmpa.html#name_to_oid-2">name_to_oid/2</a></li>
<li title="oid_to_name-1"><a href="snmpa.html#oid_to_name-1">oid_to_name/1</a></li>
<li title="oid_to_name-2"><a href="snmpa.html#oid_to_name-2">oid_to_name/2</a></li>
<li title="which_aliasnames-0"><a href="snmpa.html#which_aliasnames-0">which_aliasnames/0</a></li>
<li title="which_tables-0"><a href="snmpa.html#which_tables-0">which_tables/0</a></li>
<li title="which_variables-0"><a href="snmpa.html#which_variables-0">which_variables/0</a></li>
<li title="which_notifications-0"><a href="snmpa.html#which_notifications-0">which_notifications/0</a></li>
<li title="log_to_txt-1"><a href="snmpa.html#log_to_txt-1">log_to_txt/1</a></li>
<li title="log_to_txt-2"><a href="snmpa.html#log_to_txt-2">log_to_txt/2</a></li>
<li title="log_to_txt-3"><a href="snmpa.html#log_to_txt-3">log_to_txt/3</a></li>
<li title="log_to_txt-4"><a href="snmpa.html#log_to_txt-4">log_to_txt/4</a></li>
<li title="log_to_txt-5"><a href="snmpa.html#log_to_txt-5">log_to_txt/5</a></li>
<li title="log_to_txt-6"><a href="snmpa.html#log_to_txt-6">log_to_txt/6</a></li>
<li title="log_to_txt-7"><a href="snmpa.html#log_to_txt-7">log_to_txt/7</a></li>
<li title="log_to_io-1"><a href="snmpa.html#log_to_io-1">log_to_io/1</a></li>
<li title="log_to_io-2"><a href="snmpa.html#log_to_io-2">log_to_io/2</a></li>
<li title="log_to_io-3"><a href="snmpa.html#log_to_io-3">log_to_io/3</a></li>
<li title="log_to_io-4"><a href="snmpa.html#log_to_io-4">log_to_io/4</a></li>
<li title="log_to_io-5"><a href="snmpa.html#log_to_io-5">log_to_io/5</a></li>
<li title="log_to_io-6"><a href="snmpa.html#log_to_io-6">log_to_io/6</a></li>
<li title="change_log_size-1"><a href="snmpa.html#change_log_size-1">change_log_size/1</a></li>
<li title="set_log_type-1"><a href="snmpa.html#set_log_type-1">set_log_type/1</a></li>
<li title="set_log_type-2"><a href="snmpa.html#set_log_type-2">set_log_type/2</a></li>
<li title="mib_of-1"><a href="snmpa.html#mib_of-1">mib_of/1</a></li>
<li title="mib_of-2"><a href="snmpa.html#mib_of-2">mib_of/2</a></li>
<li title="me_of-1"><a href="snmpa.html#me_of-1">me_of/1</a></li>
<li title="me_of-2"><a href="snmpa.html#me_of-2">me_of/2</a></li>
<li title="invalidate_mibs_cache-0"><a href="snmpa.html#invalidate_mibs_cache-0">invalidate_mibs_cache/0</a></li>
<li title="invalidate_mibs_cache-1"><a href="snmpa.html#invalidate_mibs_cache-1">invalidate_mibs_cache/1</a></li>
<li title="enable_mibs_cache-0"><a href="snmpa.html#enable_mibs_cache-0">enable_mibs_cache/0</a></li>
<li title="enable_mibs_cache-1"><a href="snmpa.html#enable_mibs_cache-1">enable_mibs_cache/1</a></li>
<li title="disable_mibs_cache-0"><a href="snmpa.html#disable_mibs_cache-0">disable_mibs_cache/0</a></li>
<li title="disable_mibs_cache-1"><a href="snmpa.html#disable_mibs_cache-1">disable_mibs_cache/1</a></li>
<li title="which_mibs_cache_size-0"><a href="snmpa.html#which_mibs_cache_size-0">which_mibs_cache_size/0</a></li>
<li title="which_mibs_cache_size-1"><a href="snmpa.html#which_mibs_cache_size-1">which_mibs_cache_size/1</a></li>
<li title="gc_mibs_cache-0"><a href="snmpa.html#gc_mibs_cache-0">gc_mibs_cache/0</a></li>
<li title="gc_mibs_cache-1"><a href="snmpa.html#gc_mibs_cache-1">gc_mibs_cache/1</a></li>
<li title="gc_mibs_cache-1"><a href="snmpa.html#gc_mibs_cache-1">gc_mibs_cache/1</a></li>
<li title="gc_mibs_cache-2"><a href="snmpa.html#gc_mibs_cache-2">gc_mibs_cache/2</a></li>
<li title="gc_mibs_cache-2"><a href="snmpa.html#gc_mibs_cache-2">gc_mibs_cache/2</a></li>
<li title="gc_mibs_cache-3"><a href="snmpa.html#gc_mibs_cache-3">gc_mibs_cache/3</a></li>
<li title="enable_mibs_cache_autogc-0"><a href="snmpa.html#enable_mibs_cache_autogc-0">enable_mibs_cache_autogc/0</a></li>
<li title="enable_mibs_cache_autogc-1"><a href="snmpa.html#enable_mibs_cache_autogc-1">enable_mibs_cache_autogc/1</a></li>
<li title="disable_mibs_cache_autogc-0"><a href="snmpa.html#disable_mibs_cache_autogc-0">disable_mibs_cache_autogc/0</a></li>
<li title="disable_mibs_cache_autogc-1"><a href="snmpa.html#disable_mibs_cache_autogc-1">disable_mibs_cache_autogc/1</a></li>
<li title="update_mibs_cache_age-1"><a href="snmpa.html#update_mibs_cache_age-1">update_mibs_cache_age/1</a></li>
<li title="update_mibs_cache_age-2"><a href="snmpa.html#update_mibs_cache_age-2">update_mibs_cache_age/2</a></li>
<li title="update_mibs_cache_gclimit-1"><a href="snmpa.html#update_mibs_cache_gclimit-1">update_mibs_cache_gclimit/1</a></li>
<li title="update_mibs_cache_gclimit-2"><a href="snmpa.html#update_mibs_cache_gclimit-2">update_mibs_cache_gclimit/2</a></li>
<li title="register_notification_filter-3"><a href="snmpa.html#register_notification_filter-3">register_notification_filter/3</a></li>
<li title="register_notification_filter-4"><a href="snmpa.html#register_notification_filter-4">register_notification_filter/4</a></li>
<li title="register_notification_filter-4"><a href="snmpa.html#register_notification_filter-4">register_notification_filter/4</a></li>
<li title="register_notification_filter-5"><a href="snmpa.html#register_notification_filter-5">register_notification_filter/5</a></li>
<li title="unregister_notification_filter-1"><a href="snmpa.html#unregister_notification_filter-1">unregister_notification_filter/1</a></li>
<li title="unregister_notification_filter-2"><a href="snmpa.html#unregister_notification_filter-2">unregister_notification_filter/2</a></li>
<li title="which_notification_filter-0"><a href="snmpa.html#which_notification_filter-0">which_notification_filter/0</a></li>
<li title="which_notification_filter-1"><a href="snmpa.html#which_notification_filter-1">which_notification_filter/1</a></li>
<li title="set_request_limit-1"><a href="snmpa.html#set_request_limit-1">set_request_limit/1</a></li>
<li title="set_request_limit-2"><a href="snmpa.html#set_request_limit-2">set_request_limit/2</a></li>
<li title="register_subagent-3"><a href="snmpa.html#register_subagent-3">register_subagent/3</a></li>
<li title="unregister_subagent-2"><a href="snmpa.html#unregister_subagent-2">unregister_subagent/2</a></li>
<li title="send_notification2-3"><a href="snmpa.html#send_notification2-3">send_notification2/3</a></li>
<li title="send_notification-3"><a href="snmpa.html#send_notification-3">send_notification/3</a></li>
<li title="send_notification-4"><a href="snmpa.html#send_notification-4">send_notification/4</a></li>
<li title="send_notification-5"><a href="snmpa.html#send_notification-5">send_notification/5</a></li>
<li title="send_notification-6"><a href="snmpa.html#send_notification-6">send_notification/6</a></li>
<li title="send_notification-7"><a href="snmpa.html#send_notification-7">send_notification/7</a></li>
<li title="discovery-2"><a href="snmpa.html#discovery-2">discovery/2</a></li>
<li title="discovery-3"><a href="snmpa.html#discovery-3">discovery/3</a></li>
<li title="discovery-3"><a href="snmpa.html#discovery-3">discovery/3</a></li>
<li title="discovery-4"><a href="snmpa.html#discovery-4">discovery/4</a></li>
<li title="discovery-4"><a href="snmpa.html#discovery-4">discovery/4</a></li>
<li title="discovery-5"><a href="snmpa.html#discovery-5">discovery/5</a></li>
<li title="discovery-6"><a href="snmpa.html#discovery-6">discovery/6</a></li>
<li title="convert_config-1"><a href="snmpa.html#convert_config-1">convert_config/1</a></li>
<li title="restart_worker-0"><a href="snmpa.html#restart_worker-0">restart_worker/0</a></li>
<li title="restart_worker-1"><a href="snmpa.html#restart_worker-1">restart_worker/1</a></li>
<li title="restart_set_worker-0"><a href="snmpa.html#restart_set_worker-0">restart_set_worker/0</a></li>
<li title="restart_set_worker-1"><a href="snmpa.html#restart_set_worker-1">restart_set_worker/1</a></li>
<li title="print_mib_info-0"><a href="snmpa.html#print_mib_info-0">print_mib_info/0</a></li>
<li title="print_mib_tables-0"><a href="snmpa.html#print_mib_tables-0">print_mib_tables/0</a></li>
<li title="print_mib_variables-0"><a href="snmpa.html#print_mib_variables-0">print_mib_variables/0</a></li>
<li title="verbosity-2"><a href="snmpa.html#verbosity-2">verbosity/2</a></li>
</ul>
</li>
<li id="no" title="snmpa_conf " expanded="false">snmpa_conf<ul>
<li><a href="snmpa_conf.html">
Top of manual page
</a></li>
<li title="agent_entry-2"><a href="snmpa_conf.html#agent_entry-2">agent_entry/2</a></li>
<li title="write_agent_config-2"><a href="snmpa_conf.html#write_agent_config-2">write_agent_config/2</a></li>
<li title="write_agent_config-3"><a href="snmpa_conf.html#write_agent_config-3">write_agent_config/3</a></li>
<li title="append_agent_config-2"><a href="snmpa_conf.html#append_agent_config-2">append_agent_config/2</a></li>
<li title="read_agent_config-1"><a href="snmpa_conf.html#read_agent_config-1">read_agent_config/1</a></li>
<li title="standard_entry-2"><a href="snmpa_conf.html#standard_entry-2">standard_entry/2</a></li>
<li title="write_standard_config-2"><a href="snmpa_conf.html#write_standard_config-2">write_standard_config/2</a></li>
<li title="write_standard_config-3"><a href="snmpa_conf.html#write_standard_config-3">write_standard_config/3</a></li>
<li title="append_standard_config-2"><a href="snmpa_conf.html#append_standard_config-2">append_standard_config/2</a></li>
<li title="read_standard_config-1"><a href="snmpa_conf.html#read_standard_config-1">read_standard_config/1</a></li>
<li title="context_entry-1"><a href="snmpa_conf.html#context_entry-1">context_entry/1</a></li>
<li title="write_context_config-2"><a href="snmpa_conf.html#write_context_config-2">write_context_config/2</a></li>
<li title="write_context_config-3"><a href="snmpa_conf.html#write_context_config-3">write_context_config/3</a></li>
<li title="append_context_config-2"><a href="snmpa_conf.html#append_context_config-2">append_context_config/2</a></li>
<li title="read_context_config-1"><a href="snmpa_conf.html#read_context_config-1">read_context_config/1</a></li>
<li title="community_entry-1"><a href="snmpa_conf.html#community_entry-1">community_entry/1</a></li>
<li title="community_entry-5"><a href="snmpa_conf.html#community_entry-5">community_entry/5</a></li>
<li title="write_community_config-2"><a href="snmpa_conf.html#write_community_config-2">write_community_config/2</a></li>
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<li title="generate_msg-5"><a href="snmpa_mpd.html#generate_msg-5">generate_msg/5</a></li>
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<li title="verbosity-2"><a href="snmpa_network_interface.html#verbosity-2">verbosity/2</a></li>
<li title="get_log_type-1"><a href="snmpa_network_interface.html#get_log_type-1">get_log_type/1</a></li>
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<li id="no" title="snmpa_network_interface_filter " expanded="false">snmpa_network_interface_filter<ul>
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<li title="accept_recv-2"><a href="snmpa_network_interface_filter.html#accept_recv-2">accept_recv/2</a></li>
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<li title="accept_recv_pdu-3"><a href="snmpa_network_interface_filter.html#accept_recv_pdu-3">accept_recv_pdu/3</a></li>
<li title="accept_send_pdu-2"><a href="snmpa_network_interface_filter.html#accept_send_pdu-2">accept_send_pdu/2</a></li>
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<li id="no" title="snmpa_notification_delivery_info_receiver " expanded="false">snmpa_notification_delivery_info_receiver<ul>
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<li title="delivery_targets-3"><a href="snmpa_notification_delivery_info_receiver.html#delivery_targets-3">delivery_targets/3</a></li>
<li title="delivery_info-4"><a href="snmpa_notification_delivery_info_receiver.html#delivery_info-4">delivery_info/4</a></li>
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<li id="no" title="snmpa_notification_filter " expanded="false">snmpa_notification_filter<ul>
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<li title="handle_notification-2"><a href="snmpa_notification_filter.html#handle_notification-2">handle_notification/2</a></li>
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<li id="no" title="snmpa_supervisor " expanded="false">snmpa_supervisor<ul>
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<li title="start_sub_sup-1"><a href="snmpa_supervisor.html#start_sub_sup-1">start_sub_sup/1</a></li>
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</ul>
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<li id="no" title="snmp_community_mib " expanded="false">snmp_community_mib<ul>
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<li title="configure-1"><a href="snmp_community_mib.html#configure-1">configure/1</a></li>
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<li title="add_community-5"><a href="snmp_community_mib.html#add_community-5">add_community/5</a></li>
<li title="add_community-6"><a href="snmp_community_mib.html#add_community-6">add_community/6</a></li>
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<li id="no" title="snmp_framework_mib " expanded="false">snmp_framework_mib<ul>
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<li title="configure-1"><a href="snmp_framework_mib.html#configure-1">configure/1</a></li>
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<li title="add_context-1"><a href="snmp_framework_mib.html#add_context-1">add_context/1</a></li>
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<li id="no" title="snmp_generic " expanded="false">snmp_generic<ul>
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<li title="get_status_col-2"><a href="snmp_generic.html#get_status_col-2">get_status_col/2</a></li>
<li title="get_status_col-2"><a href="snmp_generic.html#get_status_col-2">get_status_col/2</a></li>
<li title="get_index_types-1"><a href="snmp_generic.html#get_index_types-1">get_index_types/1</a></li>
<li title="get_table_info-2"><a href="snmp_generic.html#get_table_info-2">get_table_info/2</a></li>
<li title="table_func-2"><a href="snmp_generic.html#table_func-2">table_func/2</a></li>
<li title="table_func-4"><a href="snmp_generic.html#table_func-4">table_func/4</a></li>
<li title="table_get_elements-3"><a href="snmp_generic.html#table_get_elements-3">table_get_elements/3</a></li>
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<li id="no" title="snmp_index " expanded="false">snmp_index<ul>
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<li title="delete-1"><a href="snmp_index.html#delete-1">delete/1</a></li>
<li title="delete-2"><a href="snmp_index.html#delete-2">delete/2</a></li>
<li title="get-2"><a href="snmp_index.html#get-2">get/2</a></li>
<li title="get_last-1"><a href="snmp_index.html#get_last-1">get_last/1</a></li>
<li title="get_next-2"><a href="snmp_index.html#get_next-2">get_next/2</a></li>
<li title="insert-3"><a href="snmp_index.html#insert-3">insert/3</a></li>
<li title="key_to_oid-2"><a href="snmp_index.html#key_to_oid-2">key_to_oid/2</a></li>
<li title="new-1"><a href="snmp_index.html#new-1">new/1</a></li>
</ul>
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<li id="no" title="snmp_notification_mib " expanded="false">snmp_notification_mib<ul>
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<li title="configure-1"><a href="snmp_notification_mib.html#configure-1">configure/1</a></li>
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<li title="add_notify-3"><a href="snmp_notification_mib.html#add_notify-3">add_notify/3</a></li>
<li title="delete_notify-1"><a href="snmp_notification_mib.html#delete_notify-1">delete_notify/1</a></li>
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<li id="no" title="snmp_pdus " expanded="false">snmp_pdus<ul>
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<li title="dec_message-1"><a href="snmp_pdus.html#dec_message-1">dec_message/1</a></li>
<li title="dec_message_only-1"><a href="snmp_pdus.html#dec_message_only-1">dec_message_only/1</a></li>
<li title="dec_pdu-1"><a href="snmp_pdus.html#dec_pdu-1">dec_pdu/1</a></li>
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<li title="dec_scoped_pdu_data-1"><a href="snmp_pdus.html#dec_scoped_pdu_data-1">dec_scoped_pdu_data/1</a></li>
<li title="dec_usm_security_parameters-1"><a href="snmp_pdus.html#dec_usm_security_parameters-1">dec_usm_security_parameters/1</a></li>
<li title="enc_encrypted_scoped_pdu-1"><a href="snmp_pdus.html#enc_encrypted_scoped_pdu-1">enc_encrypted_scoped_pdu/1</a></li>
<li title="enc_message-1"><a href="snmp_pdus.html#enc_message-1">enc_message/1</a></li>
<li title="enc_message_only-1"><a href="snmp_pdus.html#enc_message_only-1">enc_message_only/1</a></li>
<li title="enc_pdu-1"><a href="snmp_pdus.html#enc_pdu-1">enc_pdu/1</a></li>
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<li id="no" title="snmp_standard_mib " expanded="false">snmp_standard_mib<ul>
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<li title="configure-1"><a href="snmp_standard_mib.html#configure-1">configure/1</a></li>
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<li title="reconfigure-1"><a href="snmp_standard_mib.html#reconfigure-1">reconfigure/1</a></li>
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<li id="no" title="snmp_target_mib " expanded="false">snmp_target_mib<ul>
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<li title="configure-1"><a href="snmp_target_mib.html#configure-1">configure/1</a></li>
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<li title="set_target_engine_id-2"><a href="snmp_target_mib.html#set_target_engine_id-2">set_target_engine_id/2</a></li>
<li title="add_addr-10"><a href="snmp_target_mib.html#add_addr-10">add_addr/10</a></li>
<li title="add_addr-11"><a href="snmp_target_mib.html#add_addr-11">add_addr/11</a></li>
<li title="delete_addr-1"><a href="snmp_target_mib.html#delete_addr-1">delete_addr/1</a></li>
<li title="add_params-5"><a href="snmp_target_mib.html#add_params-5">add_params/5</a></li>
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</li>
<li id="no" title="snmp_user_based_sm_mib " expanded="false">snmp_user_based_sm_mib<ul>
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<li title="configure-1"><a href="snmp_user_based_sm_mib.html#configure-1">configure/1</a></li>
<li title="reconfigure-1"><a href="snmp_user_based_sm_mib.html#reconfigure-1">reconfigure/1</a></li>
<li title="add_user-13"><a href="snmp_user_based_sm_mib.html#add_user-13">add_user/13</a></li>
<li title="delete_user-1"><a href="snmp_user_based_sm_mib.html#delete_user-1">delete_user/1</a></li>
</ul>
</li>
<li id="no" title="snmp_view_based_acm_mib " expanded="false">snmp_view_based_acm_mib<ul>
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<li title="configure-1"><a href="snmp_view_based_acm_mib.html#configure-1">configure/1</a></li>
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<div id="content">
<div class="innertube">
<!-- refpage --><center><h1>snmpa</h1></center>
<h3>MODULE</h3>
<div class="REFBODY">snmpa</div>
<h3>MODULE SUMMARY</h3>
<div class="REFBODY">Interface Functions to the SNMP toolkit agent</div>
<h3>DESCRIPTION</h3>
<div class="REFBODY"><p>
<p>The module <span class="code">snmpa</span> contains interface functions to the
SNMP agent.</p>
<a name="data_types"></a>
</p></div>
<h3><a name="id105393">DATA TYPES</a></h3>
<div class="REFBODY">
<div class="example"><pre>
oid() = [byte()]
atl_type() = read | write | read_write
notification_delivery_info() = #snmpa_notification_delivery_info{}
</pre></div>
<p>The <span class="code">oid()</span> type is used to represent an ASN.1 OBJECT IDENTIFIER. </p>
<p>The record <span class="code">snmpa_notification_delivery_info</span> contains the following fields: </p>
<dl>
<dt><strong><span class="code">tag = term()</span></strong></dt>
<dd>
<p>A user defined identity representing this notification send
operation.</p>
</dd>
<dt><strong><span class="code">mod = module()</span></strong></dt>
<dd>
<p>A module implementing the
<span class="bold_code"><a href="snmpa_notification_delivery_info_receiver.html">snmpa_notification_delivery_info_receiver</a></span>
behaviour. The info functions of this module will be called at
various stages of delivery. </p>
</dd>
<dt><strong><span class="code">extra = term()</span></strong></dt>
<dd>
<p>This is any extra info the user wants to have supplied
when the functions in the callback module is called. </p>
</dd>
</dl>
<a name="add_agent_caps"></a>
</div>
<h3>EXPORTS</h3>
<p><a name="add_agent_caps-2"><span class="bold_code">add_agent_caps(SysORID, SysORDescr) -> SysORIndex</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">SysORID = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SysORDescr = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SysORIndex = integer()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>This function can be used to add an AGENT-CAPABILITY
statement to the sysORTable in the agent. The table is
defined in the SNMPv2-MIB.</p>
<a name="del_agent_caps"></a>
</p></div>
<p><a name="del_agent_caps-1"><span class="bold_code">del_agent_caps(SysORIndex) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">SysORIndex = integer()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>This function can be used to delete an AGENT-CAPABILITY
statement to the sysORTable in the agent. This table is
defined in the SNMPv2-MIB. </p>
<a name="get_agent_caps"></a>
</p></div>
<p><a name="get_agent_caps-0"><span class="bold_code">get_agent_caps() -> [[SysORIndex, SysORID, SysORDescr, SysORUpTime]]</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">SysORIndex = integer()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SysORId = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SysORDescr = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SysORUpTime = integer()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Returns all AGENT-CAPABILITY statements in the sysORTable
in the agent. This table is defined in the SNMPv2-MIB. </p>
<a name="get"></a>
</p></div>
<p><a name="get-2"><span class="bold_code">get(Agent, Vars) -> Values | {error, Reason}</span></a><br><a name="get-3"><span class="bold_code">get(Agent, Vars, Context) -> Values | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Vars = [oid()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Context = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Values = [term()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = {atom(), oid()}</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Performs a GET operation on the agent. All loaded MIB
objects are visible in this operation. The agent calls the
corresponding instrumentation functions just as if it was a
GET request coming from a manager. </p>
<p>Note that the request specific parameters (such as
<span class="bold_code"><a href="#current_request_id">current_request_id</a></span>)
are not accessible for the instrumentation functions if this
function is used. </p>
<a name="get_next"></a>
</p></div>
<p><a name="get_next-2"><span class="bold_code">get_next(Agent, Vars) -> Values | {error, Reason}</span></a><br><a name="get_next-3"><span class="bold_code">get_next(Agent, Vars, Context) -> Values | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Vars = [oid()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Context = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Values = [{oid(), term()}]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = {atom(), oid()}</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Performs a GET-NEXT operation on the agent. All loaded MIB
objects are visible in this operation. The agent calls the
corresponding instrumentation functions just as if it was a
GET request coming from a manager. </p>
<p>Note that the request specific parameters (such as
<span class="code">snmpa:current_request_id/0</span> are not accessible for the
instrumentation functions if this function is used. </p>
<a name="backup"></a>
</p></div>
<p><a name="backup-1"><span class="bold_code">backup(BackupDir) -> ok | {error, Reason}</span></a><br><a name="backup-2"><span class="bold_code">backup(Agent, BackupDir) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">BackupDir = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = backup_in_progress | term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Backup persistent/permanent data handled by the agent
(such as local-db, mib-data and vacm). </p>
<p>Data stored by mnesia is not handled. </p>
<p>BackupDir cannot be identical to DbDir. </p>
<p>Simultaneous backup calls are <strong>not</strong> allowed.
That is, two different processes cannot simultaneously
successfully call this function. One of them will be first,
and succeed. The second will fail with the error reason
<span class="code">backup_in_progress</span>. </p>
<a name="info"></a>
</p></div>
<p><a name="info-0"><span class="bold_code">info() -> [{Key, Value}]</span></a><br><a name="info-1"><span class="bold_code">info(Agent) -> [{Key, Value}]</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Returns a list (a dictionary) containing information about
the agent. Information includes loaded MIBs, registered
sub-agents, some information about the memory allocation. </p>
<p>As of version 4.4 the format of the info has been changed.
To convert the info to the old format, call the
<span class="bold_code"><a href="#old_info_format">old_info_format</a></span>
function. </p>
<a name="old_info_format"></a>
</p></div>
<p><a name="old_info_format-1"><span class="bold_code">old_info_format(NewInfo) -> OldInfo</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">OldInfo = NewInfo = [{Key, Value}]</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>As of version 4.4 the format of the info has been changed.
This function is used to convert to the old (pre-4.4) info
format. </p>
<a name="load_mibs"></a>
</p></div>
<p><a name="load_mibs-1"><span class="bold_code">load_mibs(Mibs) -> ok | {error, Reason}</span></a><br><a name="load_mibs-2"><span class="bold_code">load_mibs(Agent,Mibs) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mibs = [MibName]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Loads <span class="code">Mibs</span> into an agent. If the agent cannot load
all MIBs, it will indicate where loading was aborted. The
<span class="code">MibName</span> is the name of the Mib, including the path to
where the compiled mib is found. For example,</p>
<div class="example"><pre>
Dir = code:priv_dir(my_app) ++ "/mibs/",
snmpa:load_mibs(snmp_master_agent, [Dir ++ "MY-MIB"]).
</pre></div>
<a name="unload_mibs"></a>
</p></div>
<p><a name="unload_mibs-1"><span class="bold_code">unload_mibs(Mibs) -> ok | {error, Reason}</span></a><br><a name="unload_mibs-2"><span class="bold_code">unload_mibs(Agent,Mibs) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mibs = [MibName]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = string()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Unloads MIBs into an agent. If it cannot unload all MIBs,
it will indicate where unloading was aborted. </p>
<a name="which_mibs"></a>
</p></div>
<p><a name="which_mibs-0"><span class="bold_code">which_mibs() -> Mibs</span></a><br><a name="which_mibs-1"><span class="bold_code">which_mibs(Agent) -> Mibs</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mibs = [{MibName, MibFile}]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibFile = string()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retrieve the list of all the mibs loaded into this agent. Default
is the master agent. </p>
<a name="whereis_mib"></a>
</p></div>
<p><a name="whereis_mib-1"><span class="bold_code">whereis_mib(MibName) -> {ok, MibFile} | {error, Reason}</span></a><br><a name="whereis_mib-2"><span class="bold_code">whereis_mib(Agent, MibName) -> {ok, MibFile} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibFile = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Get the full path to the (compiled) mib-file. </p>
<a name="current_request_id"></a>
<a name="current_context"></a>
<a name="current_community"></a>
<a name="current_address"></a>
</p></div>
<p><a name="current_request_id-0"><span class="bold_code">current_request_id() -> {value, RequestId} | false</span></a><br><a name="current_context-0"><span class="bold_code">current_context() -> {value, Context} | false</span></a><br><a name="current_community-0"><span class="bold_code">current_community() -> {value, Community} | false</span></a><br><a name="current_address-0"><span class="bold_code">current_address() -> {value, Address} | false</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">RequestId = integer()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Context = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Community = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Address = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Get the request-id, context, community and address of the
request currently being processed by the agent. </p>
<p>Note that these functions is intended to be called by the
instrumentation functions and <strong>only</strong> if they are
executed in the context of the agent process (e.g. it does
not work if called from a spawned process).</p>
<a name="enum_to_int"></a>
</p></div>
<p><a name="enum_to_int-2"><span class="bold_code">enum_to_int(Name, Enum) -> {value, Int} | false</span></a><br><a name="enum_to_int-3"><span class="bold_code">enum_to_int(Db, Name, Enum) -> {value, Int} | false</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Db = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Name = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Enum = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Int = int()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Converts the symbolic value <span class="code">Enum</span> to the
corresponding integer of the enumerated object or type
<span class="code">Name</span> in a MIB. The MIB must be loaded.
</p>
<p><span class="code">false</span> is returned if the object or type is not
defined in any loaded MIB, or if it does not define the
symbolic value as enumerated.
</p>
<p><span class="code">Db</span> is a reference to the symbolic store database
(retrieved by a call to <span class="code">get_symbolic_store_db/0</span>). </p>
<a name="int_to_enum"></a>
</p></div>
<p><a name="int_to_enum-2"><span class="bold_code">int_to_enum(Name, Int) -> {value, Enum} | false</span></a><br><a name="int_to_enum-3"><span class="bold_code">int_to_enum(Db, Name, Int) -> {value, Enum} | false</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Db = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Name = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Int = int()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Enum = atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Converts the integer <span class="code">Int</span> to the corresponding
symbolic value of the enumerated object or type <span class="code">Name</span> in
a MIB. The MIB must be loaded.
</p>
<p><span class="code">false</span> is returned if the object or type is not
defined in any loaded MIB, or if it does not define the
symbolic value as enumerated.
</p>
<p><span class="code">Db</span> is a reference to the symbolic store database
(retrieved by a call to <span class="code">get_symbolic_store_db/0</span>). </p>
<a name="name_to_oid"></a>
</p></div>
<p><a name="name_to_oid-1"><span class="bold_code">name_to_oid(Name) -> {value, oid()} | false</span></a><br><a name="name_to_oid-2"><span class="bold_code">name_to_oid(Db, Name) -> {value, oid()} | false</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Db = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Name = atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Looks up the OBJECT IDENTIFIER of a MIB object, given the
symbolic name. Note, the OBJECT IDENTIFIER is given for the
object, not for an instance. </p>
<p><span class="code">false</span> is returned if the object is not defined in any
loaded MIB. </p>
<p><span class="code">Db</span> is a reference to the symbolic store database
(retrieved by a call to <span class="code">get_symbolic_store_db/0</span>). </p>
<a name="oid_to_name"></a>
</p></div>
<p><a name="oid_to_name-1"><span class="bold_code">oid_to_name(OID) -> {value, Name} | false</span></a><br><a name="oid_to_name-2"><span class="bold_code">oid_to_name(Db, OID) -> {value, Name} | false</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Db = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">OID = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Name = atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Looks up the symbolic name of a MIB object, given OBJECT
IDENTIFIER. </p>
<p><span class="code">false</span> is returned if the object is not defined in any
loaded MIB. </p>
<p><span class="code">Db</span> is a reference to the symbolic store database
(retrieved by a call to <span class="code">get_symbolic_store_db/0</span>). </p>
<a name="which_aliasnames"></a>
</p></div>
<p><a name="which_aliasnames-0"><span class="bold_code">which_aliasnames() -> Result</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Result = [atom()]</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retrieve all alias-names known to the agent.</p>
<a name="which_tables"></a>
</p></div>
<p><a name="which_tables-0"><span class="bold_code">which_tables() -> Result</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Result = [atom()]</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retrieve all tables known to the agent.</p>
<a name="which_variables"></a>
</p></div>
<p><a name="which_variables-0"><span class="bold_code">which_variables() -> Result</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Result = [atom()]</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retrieve all variables known to the agent.</p>
<a name="which_notifications"></a>
</p></div>
<p><a name="which_notifications-0"><span class="bold_code">which_notifications() -> Result</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Result = [{Name, MibName, Info}]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Name = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Info = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retrieve all notifications (and traps) known to the agent.</p>
<a name="log_to_txt"></a>
</p></div>
<p><a name="log_to_txt-1"><span class="bold_code">log_to_txt(LogDir)</span></a><br><a name="log_to_txt-2"><span class="bold_code">log_to_txt(LogDir, Mibs)</span></a><br><a name="log_to_txt-3"><span class="bold_code">log_to_txt(LogDir, Mibs, OutFile) -> ok | {error, Reason}</span></a><br><a name="log_to_txt-4"><span class="bold_code">log_to_txt(LogDir, Mibs, OutFile, LogName) -> ok | {error, Reason}</span></a><br><a name="log_to_txt-5"><span class="bold_code">log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile) -> ok | {error, Reason}</span></a><br><a name="log_to_txt-6"><span class="bold_code">log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Start) -> ok | {error, Reason}</span></a><br><a name="log_to_txt-7"><span class="bold_code">log_to_txt(LogDir, Mibs, OutFile, LogName, LogFile, Start, Stop) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">LogDir = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mibs = [MibName]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">OutFile = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">LogName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">LogFile = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Start = Stop = null | datetime() | {local_time,datetime()} | {universal_time,datetime()} </span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = disk_log_open_error() | file_open_error() | term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">disk_log_open_error() = {LogName, term()}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">file_open_error() = {OutFile, term()}</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Converts an Audit Trail Log to a readable text file.
<span class="code">OutFile</span> defaults to "./snmpa_log.txt".
<span class="code">LogName</span> defaults to "snmpa_log".
<span class="code">LogFile</span> defaults to "snmpa.log".
See <span class="bold_code"><a href="snmp.html#log_to_txt">snmp:log_to_txt</a></span>
for more info.</p>
<a name="log_to_io"></a>
</p></div>
<p><a name="log_to_io-1"><span class="bold_code">log_to_io(LogDir) -> ok | {error, Reason}</span></a><br><a name="log_to_io-2"><span class="bold_code">log_to_io(LogDir, Mibs) -> ok | {error, Reason}</span></a><br><a name="log_to_io-3"><span class="bold_code">log_to_io(LogDir, Mibs, LogName) -> ok | {error, Reason}</span></a><br><a name="log_to_io-4"><span class="bold_code">log_to_io(LogDir, Mibs, LogName, LogFile) -> ok | {error, Reason}</span></a><br><a name="log_to_io-5"><span class="bold_code">log_to_io(LogDir, Mibs, LogName, LogFile, Start) -> ok | {error, Reason}</span></a><br><a name="log_to_io-6"><span class="bold_code">log_to_io(LogDir, Mibs, LogName, LogFile, Start, Stop) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">LogDir = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mibs = [MibName]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">LogName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">LogFile = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Start = Stop = null | datetime() | {local_time,datetime()} | {universal_time,datetime()} </span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = disk_log_open_error() | file_open_error() | term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">disk_log_open_error() = {LogName, term()}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">file_open_error() = {OutFile, term()}</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Converts an Audit Trail Log to a readable format and
prints it on stdio.
<span class="code">LogName</span> defaults to "snmpa_log".
<span class="code">LogFile</span> defaults to "snmpa.log".
See <span class="bold_code"><a href="snmp.html#log_to_io">snmp:log_to_io</a></span>
for more info.</p>
<a name="change_log_size"></a>
</p></div>
<p><a name="change_log_size-1"><span class="bold_code">change_log_size(NewSize) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">NewSize = {MaxBytes, MaxFiles}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MaxBytes = integer()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MaxFiles = integer()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Changes the log size of the Audit Trail Log. The application must
be configured to use the audit trail log function. Please refer to
disk_log(3) in Kernel Reference Manual for a description of how to
change the log size. </p>
<p>The change is permanent, as long as the log is not deleted.
That means, the log size is remembered across reboots. </p>
<a name="set_log_type"></a>
</p></div>
<p><a name="set_log_type-1"><span class="bold_code">set_log_type(NewType) -> {ok, OldType} | {error, Reason}</span></a><br><a name="set_log_type-2"><span class="bold_code">set_log_type(Agent, NewType) -> {ok, OldType} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">NewType = OldType = atl_type()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Changes the run-time Audit Trail log type. </p>
<p>Note that this has no effect on the application configuration as
defined by configuration files, so a node restart will revert the
config to whatever is in those files. </p>
<p>This function is primarily useful in testing/debugging
scenarios. </p>
<a name="mib_of"></a>
</p></div>
<p><a name="mib_of-1"><span class="bold_code">mib_of(Oid) -> {ok, MibName} | {error, Reason}</span></a><br><a name="mib_of-2"><span class="bold_code">mib_of(Agent, Oid) -> {ok, MibName} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Oid = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">MibName = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Finds the mib corresponding to the <span class="code">Oid</span>. If it is a
variable, the Oid must be
<Oid for var>.0 and if it is a table, Oid must be
<table>.<entry>.<col>.<any></p>
<a name="me_of"></a>
</p></div>
<p><a name="me_of-1"><span class="bold_code">me_of(Oid) -> {ok, Me} | {error, Reason}</span></a><br><a name="me_of-2"><span class="bold_code">me_of(Agent, Oid) -> {ok, Me} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Oid = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Me = #me{}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Finds the mib entry corresponding to the <span class="code">Oid</span>. If it is a
variable, the Oid must be
<Oid for var>.0 and if it is a table, Oid must be
<table>.<entry>.<col>.<any></p>
<a name="invalidate_mibs_cache"></a>
</p></div>
<p><a name="invalidate_mibs_cache-0"><span class="bold_code">invalidate_mibs_cache() -> void()</span></a><br><a name="invalidate_mibs_cache-1"><span class="bold_code">invalidate_mibs_cache(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Invalidate the mib server cache. </p>
<p>The entire contents of the cache will be deleted. </p>
<a name="enable_mibs_cache"></a>
</p></div>
<p><a name="enable_mibs_cache-0"><span class="bold_code">enable_mibs_cache() -> void()</span></a><br><a name="enable_mibs_cache-1"><span class="bold_code">enable_mibs_cache(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Enable the mib server cache. </p>
<a name="disable_mibs_cache"></a>
</p></div>
<p><a name="disable_mibs_cache-0"><span class="bold_code">disable_mibs_cache() -> void()</span></a><br><a name="disable_mibs_cache-1"><span class="bold_code">disable_mibs_cache(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Disable the mib server cache. </p>
<a name="which_mibs_cache_size"></a>
</p></div>
<p><a name="which_mibs_cache_size-0"><span class="bold_code">which_mibs_cache_size() -> void()</span></a><br><a name="which_mibs_cache_size-1"><span class="bold_code">which_mibs_cache_size(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Retreive the size of the mib server cache. </p>
<a name="gc_mibs_cache"></a>
</p></div>
<p><a name="gc_mibs_cache-0"><span class="bold_code">gc_mibs_cache() -> {ok, NumElementsGCed} | {error, Reason}</span></a><br><a name="gc_mibs_cache-1"><span class="bold_code">gc_mibs_cache(Agent) -> {ok, NumElementsGCed} | {error, Reason}</span></a><br><a name="gc_mibs_cache-1"><span class="bold_code">gc_mibs_cache(Age) -> {ok, NumElementsGCed} | {error, Reason}</span></a><br><a name="gc_mibs_cache-2"><span class="bold_code">gc_mibs_cache(Agent, Age) -> {ok, NumElementsGCed} | {error, Reason}</span></a><br><a name="gc_mibs_cache-2"><span class="bold_code">gc_mibs_cache(Age, GcLimit) -> {ok, NumElementsGCed} | {error, Reason}</span></a><br><a name="gc_mibs_cache-3"><span class="bold_code">gc_mibs_cache(Agent, Age, GcLimit) -> {ok, NumElementsGCed} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Age = integer() > 0</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">GcLimit = integer() > 0 | infinity</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">NumElementsGCed = integer() >= 0</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Perform mib server cache gc. </p>
<p>Manually performs a mib server cache gc.
This can be done regardless of the value of the
<span class="code">autogc</span> option.
The <span class="code">NumElementsGCed</span> value indicates how many
elements where actually removed from the cache. </p>
<a name="enable_mibs_cache_autogc"></a>
</p></div>
<p><a name="enable_mibs_cache_autogc-0"><span class="bold_code">enable_mibs_cache_autogc() -> void()</span></a><br><a name="enable_mibs_cache_autogc-1"><span class="bold_code">enable_mibs_cache_autogc(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Enable automatic gc of the mib server cache. </p>
<a name="disable_mibs_cache_autogc"></a>
</p></div>
<p><a name="disable_mibs_cache_autogc-0"><span class="bold_code">disable_mibs_cache_autogc() -> void()</span></a><br><a name="disable_mibs_cache_autogc-1"><span class="bold_code">disable_mibs_cache_autogc(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Disable automatic gc of the mib server cache. </p>
<a name="update_mibs_cache_age"></a>
</p></div>
<p><a name="update_mibs_cache_age-1"><span class="bold_code">update_mibs_cache_age(NewAge) -> ok | {error, Reason}</span></a><br><a name="update_mibs_cache_age-2"><span class="bold_code">update_mibs_cache_age(Agent, NewAge) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">NewAge = integer() > 0</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Change the mib server cache <span class="code">age</span> property. </p>
<a name="update_mibs_cache_gclimit"></a>
</p></div>
<p><a name="update_mibs_cache_gclimit-1"><span class="bold_code">update_mibs_cache_gclimit(NewGcLimit) -> ok | {error, Reason}</span></a><br><a name="update_mibs_cache_gclimit-2"><span class="bold_code">update_mibs_cache_gclimit(Agent, NewGCLimit) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">NewGcLimit = integer() > 0 | infinity</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Change the mib server cache <span class="code">gclimit</span> property. </p>
<a name="register_notification_filter"></a>
</p></div>
<p><a name="register_notification_filter-3"><span class="bold_code">register_notification_filter(Id, Mod, Data) -> ok | {error, Reason}</span></a><br><a name="register_notification_filter-4"><span class="bold_code">register_notification_filter(Agent, Id, Mod, Data) -> ok | {error, Reason}</span></a><br><a name="register_notification_filter-4"><span class="bold_code">register_notification_filter(Id, Mod, Data, Where) -> ok | {error, Reason}</span></a><br><a name="register_notification_filter-5"><span class="bold_code">register_notification_filter(Agent, Id, Mod, Data, Where) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Id = filter_id()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">filter_id() = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mod = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Data = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Where = filter_position()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">filter_position() = first | last | {insert_before, filter_id()} | {insert_after, filter_id()} </span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Registers a notification filter.
</p>
<p><span class="code">Mod</span> is a module implementing the
<span class="code">snmpa_notification_filter</span> behaviour.</p>
<p><span class="code">Data</span> will be passed on to the filter when calling the
functions of the behaviour.</p>
<a name="unregister_notification_filter"></a>
</p></div>
<p><a name="unregister_notification_filter-1"><span class="bold_code">unregister_notification_filter(Id) -> ok | {error, Reason}</span></a><br><a name="unregister_notification_filter-2"><span class="bold_code">unregister_notification_filter(Agent, Id) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Id = filter_id()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">filter_id() = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Unregister a notification filter. </p>
<a name="which_notification_filter"></a>
</p></div>
<p><a name="which_notification_filter-0"><span class="bold_code">which_notification_filter() -> Filters</span></a><br><a name="which_notification_filter-1"><span class="bold_code">which_notification_filter(Agent) -> Filters</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Filters = [filter_id()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">filter_id() = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>List all notification filters in an agent.</p>
<a name="set_request_limit"></a>
</p></div>
<p><a name="set_request_limit-1"><span class="bold_code">set_request_limit(NewLimit) -> {ok, OldLimit} | {error, Reason}</span></a><br><a name="set_request_limit-2"><span class="bold_code">set_request_limit(Agent, NewLimit) -> {ok, OldLimit} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">NewLimit = OldLimit = infinity | integer() >= 0</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Changes the request limit. </p>
<p>Note that this has no effect on the application configuration as
defined by configuration files, so a node restart will revert the
config to whatever is in those files. </p>
<p>This function is primarily useful in load regulation
scenarios. </p>
<a name="register_subagent"></a>
</p></div>
<p><a name="register_subagent-3"><span class="bold_code">register_subagent(Agent, SubTreeOid, Subagent) -> ok | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SubTreeOid = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SubAgent = pid()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Registers a sub-agent under a sub-tree of another agent. </p>
<p>It is easy to make mistakes when registering sub-agents and
this activity should be done carefully. For example, a
strange behaviour would result from the following
configuration:</p>
<div class="example"><pre>
snmp_agent:register_subagent(MAPid,[1,2,3,4],SA1),
snmp_agent:register_subagent(SA1,[1,2,3], SA2).
</pre></div>
<p><span class="code">SA2</span> will not get requests starting with object
identifier <span class="code">[1,2,3]</span> since <span class="code">SA1</span> does not. </p>
<a name="unregister_subagent"></a>
</p></div>
<p><a name="unregister_subagent-2"><span class="bold_code">unregister_subagent(Agent, SubagentOidOrPid) -> ok | {ok, SubAgentPid} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SubTreeOidorPid = oid() | pid()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Unregister a sub-agent. If the second argument is a pid,
then that sub-agent will be unregistered from all trees in
<span class="code">Agent</span>. </p>
<a name="send_notification2"></a>
</p></div>
<p><a name="send_notification2-3"><span class="bold_code">send_notification2(Agent, Notification, SendOpts) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Notification = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">SendOpts = [send_option()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">send_option() = {receiver, receiver()} | {name, notify_name()} | {context, context_name()} | {varbinds, varbinds()} | {local_engine_id, string()} | {extra, extra_info()}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">receiver() = no_receiver | {tag(), tag_receiver()} | notification_delivery_info()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">tag() = term(()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">tag_receiver() = pid() | registered_name() | {Mod, Func, Args}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">registered_name() = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mod = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Func = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Args = list()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">notify_name() = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">context_name() = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbinds() = [varbind()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbind() = {variable(), value()} | {column(), row_index(), value()} | {oid(), value()}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">variable() = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">value() = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">column() = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">row_index() = [int()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">extra_info() = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Send the notification <span class="code">Notification</span> to the management
targets defined for notify-name (<span class="code">name</span>) in the
<span class="code">snmpNotifyTable</span> in SNMP-NOTIFICATION-MIB from the
specified <span class="code">context</span>. </p>
<p>If no <span class="code">name</span> is specified (or if it is <span class="code">""</span>), the
notification is sent to all management targets. </p>
<p>If no <span class="code">context</span> is specified, the default context, <span class="code">""</span>,
is used. </p>
<p>The send option <span class="code">receiver</span> specifies where information
about delivery of Inform-Requests should be sent. The agent
sends Inform-Requests and waits for acknowledgments from the
management targets.
The <span class="code">receiver</span> can have three values: </p>
<ul>
<li>
<p><span class="code">no_receiver</span> - No information is delivered. </p>
</li>
<li>
<p><span class="code">notification_delivery_info()</span> - The information is
delivered via a function call according to this data. See the
<span class="bold_code"><a href="#data_types">DATA TYPES</a></span> section
above for details. </p>
</li>
<li>
<p><span class="code">{tag(), tag_receiver()}</span> - The information is delivered
either via messages or via a function call according to the value
of <span class="code">tag_receiver()</span>. </p>
<p>Delivery is done differently depending on the value
of <span class="code">tag_receiver()</span>: </p>
<ul>
<li>
<p><span class="code">pid() | registered_name()</span> - The info will be delivered in
the following messages: </p>
<ul>
<li>
<p><span class="code">{snmp_targets, tag(), Addresses}</span></p>
<p>This informs the user which target addresses the
notification was sent to. </p>
</li>
<li>
<p><span class="code">{snmp_notification, tag(), {got_response, Address}}</span></p>
<p>This informs the user that this target address
acknowledged the notification. </p>
</li>
<li>
<p><span class="code">{snmp_notification, tag(), {no_response, Address}}</span></p>
<p>This informs the user that this target address
did not acknowledge the notification. </p>
</li>
</ul>
<p>The notification is sent as an Inform-Request to each
target address in <span class="code">Addresses</span> and if there are no
targets for which an Inform-Request is sent, <span class="code">Addresses</span>
is the empty list <span class="code">[]</span>. </p>
<p>The <span class="code">tag_receiver()</span> will first be sent the
<span class="code">snmp_targets</span> message, and then for each address in
<span class="code">Addresses</span> list, one of the two <span class="code">snmp_notification</span>
messages. </p>
</li>
<li>
<p><span class="code">{Mod, Func, Args}</span> - The info will be delivered via
the function call: </p>
<p><span class="code">Mod:Func([Msg | Args])</span></p>
<p>where <span class="code">Msg</span> has the same content and purpose as the
messages descrived above.</p>
</li>
</ul>
</li>
</ul>
<div class="note">
<div class="label">Note</div>
<div class="content"><p>
<p>The <span class="code">extra</span> info is not normally interpreted by the agent,
instead it is passed through to the
<span class="bold_code"><a href="snmp_agent_netif.html">net-if</a></span> process. It is
up to the implementor of that process to make use of this data. </p>
<p>The version of net-if provided by this application makes no use
of this data, with one exception:
Any tuple containing the atom
<span class="code">snmpa_default_notification_extra_info</span>
may be used by the agent and is therefor <strong>reserved</strong>. </p>
<p>See the net-if incomming messages for sending a
<span class="bold_code"><a href="snmp_agent_netif.html#im_send_pdu">
trap</a></span> and
<span class="bold_code"><a href="snmp_agent_netif.html#im_send_pdu_req">
notification</a></span> for more info. </p>
</p></div>
</div>
<a name="send_notification"></a>
</p></div>
<p><a name="send_notification-3"><span class="bold_code">send_notification(Agent, Notification, Receiver)</span></a><br><a name="send_notification-4"><span class="bold_code">send_notification(Agent, Notification, Receiver, Varbinds)</span></a><br><a name="send_notification-5"><span class="bold_code">send_notification(Agent, Notification, Receiver, NotifyName, Varbinds)</span></a><br><a name="send_notification-6"><span class="bold_code">send_notification(Agent, Notification, Receiver, NotifyName, ContextName, Varbinds) -> void() </span></a><br><a name="send_notification-7"><span class="bold_code">send_notification(Agent, Notification, Receiver, NotifyName, ContextName, Varbinds, LocalEngineID) -> void() </span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Notification = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Receiver = no_receiver | {Tag, Recv} | notification_delivery_info()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Tag = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Recv = receiver()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">receiver() = pid() | atom() | {Mod, Func, Args}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Mod = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Func = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Args = list()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">NotifyName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">ContextName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Varbinds = varbinds()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbinds() = [varbind()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbind() = {Variable, Value} | {Column, RowIndex, Value} | {OID, Value}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Variable = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Column = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">OID = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Value = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">RowIndex = [int()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">LocalEngineID = string()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Sends the notification <span class="code">Notification</span> to the
management targets defined for <span class="code">NotifyName</span> in the
<span class="code">snmpNotifyTable</span> in SNMP-NOTIFICATION-MIB from the
specified context. </p>
<p>If no <span class="code">NotifyName</span> is specified (or if it is <span class="code">""</span>),
the notification is sent to all management targets
(<span class="code">Addresses</span> below). </p>
<p>If no <span class="code">ContextName</span> is specified, the default <span class="code">""</span>
context is used. </p>
<p>The parameter <span class="code">Receiver</span> specifies where information
about delivery of Inform-Requests should be sent. The agent
sends Inform-Requests and waits for acknowledgments from the
managers. <span class="code">Receiver</span> can have three values: </p>
<ul>
<li>
<p><span class="code">no_receiver</span> - No information is delivered. </p>
</li>
<li>
<p><span class="code">notification_delivery_info()</span> - The information is
delivered via a function call according to this data. See the
<span class="bold_code"><a href="#data_types">DATA TYPES</a></span> section
above for details. </p>
</li>
<li>
<p><span class="code">{Tag, Recv}</span> - The information is delivered either via
messages or via a function call according to the value of
<span class="code">Recv</span>. </p>
</li>
</ul>
<p>If <span class="code">Receiver</span> has the value <span class="code">{Tag, Recv}</span>, the delivery is
done according to <span class="code">Recv</span>: </p>
<ul>
<li>
<p><span class="code">pid() | atom()</span> - The info will be delivered in
the following messages: </p>
<ul>
<li>
<p><span class="code">{snmp_targets, Tag, Addresses}</span></p>
<p>This inform the user which target addresses the
notification was sent to. </p>
</li>
<li>
<p><span class="code">{snmp_notification, Tag, {got_response, Address}}</span></p>
<p>This informs the user that this target address
acknowledged the notification. </p>
</li>
<li>
<p><span class="code">{snmp_notification, Tag, {no_response, Address}}</span></p>
<p>This informs the user that this target address
did not acknowledge notification. </p>
</li>
</ul>
<p>The notification is sent as an Inform-Request to each
target address in <span class="code">Addresses</span> and if there are no
targets for which an Inform-Request is sent, <span class="code">Addresses</span>
is the empty list <span class="code">[]</span>. </p>
<p>The <span class="code">receiver</span> will first be sent the <span class="code">snmp_targets</span>
message, and then for each address in <span class="code">Addresses</span> list,
one of the two <span class="code">snmp_notification</span> messages. </p>
</li>
<li>
<p><span class="code">{Mod, Func, Args}</span> - The info will be delivered via
the function call: </p>
<p><span class="code">Mod:Func([Msg | Args])</span></p>
<p>where <span class="code">Msg</span> has the same content and purpose as the
messages descrived above.</p>
</li>
</ul>
<p><span class="code">Address</span> is a management target address and <span class="code">Addresses</span> is a
list of management target addresses. They are defined as followes: </p>
<div class="example"><pre>
Addresses = [address()]
Address = address()
address() = v1_address() | v3_address()
v1_address() = {TDomain, TAddress}
v3_address() = {{TDomain, TAddress}, V3MsgData}
TDomain = tdoamin()
TAddress = taddress()
tdomain() = The oid of snmpUDPDomain
This is the only supported transport domain.
taddress() = [A1, A2, A3, A4, P1, P3]
The 4 first bytes makes up the IP-address and the last 2,
the UDP-port number.
V3MsgData = v3_msg_data()
v3_msg_data() = term()
</pre></div>
<p>If <span class="code">Receiver</span> is a <span class="code">notification_delivery_info()</span> record,
then the information about the notification delivery will be delivered
to the <span class="code">receiver</span> via the callback functions defined by the
<span class="bold_code"><a href="snmpa_notification_delivery_info_receiver.html">snmpa_notification_delivery_info_receiver</a></span>
behaviour according to the content of the <span class="code">notification_delivery_info()</span>
record. </p>
<p>The optional argument <span class="code">Varbinds</span> defines
values for the objects in the notification. If no value is
given for an object, the <span class="code">Agent</span> performs a get-operation
to retrieve the value.
</p>
<p><span class="code">Varbinds</span> is a list of <span class="code">Varbind</span>, where each
<span class="code">Varbind</span> is one of:
</p>
<ul>
<li>
<span class="code">{Variable, Value}</span>, where <span class="code">Variable</span> is the
symbolic name of a scalar variable referred to in the notification
specification.
</li>
<li>
<span class="code">{Column, RowIndex, Value}</span>, where <span class="code">Column</span>
is the symbolic name of a column variable.
<span class="code">RowIndex</span> is a list of indices for the specified
element. If this is the case, the OBJECT IDENTIFIER sent
in the notification is the <span class="code">RowIndex</span> appended to the OBJECT
IDENTIFIER for the table column. This is the OBJECT
IDENTIFIER which specifies the element.
</li>
<li>
<span class="code">{OID, Value}</span>, where <span class="code">OID</span> is the OBJECT
IDENTIFIER for an instance of an object, scalar variable,
or column variable.
</li>
</ul>
<p>For example, to specify that <span class="code">sysLocation</span> should have the
value <span class="code">"upstairs"</span> in the notification, we could use one of:
</p>
<ul>
<li>
<span class="code">{sysLocation, "upstairs"}</span> or</li>
<li>
<span class="code">{[1,3,6,1,2,1,1,6,0], "upstairs"}</span> or</li>
<li>
<span class="code">{?sysLocation_instance, "upstairs"}</span> (provided
that the generated <span class="code">.hrl</span> file is included)</li>
</ul>
<p>If a variable in the notification is a table element, the
<span class="code">RowIndex</span> for the element must be given in the
<span class="code">Varbinds</span> list. In this case, the OBJECT IDENTIFIER sent
in the notification is the OBJECT IDENTIFIER that identifies this
element. This OBJECT IDENTIFIER could be used in a get
operation later.
</p>
<p>This function is asynchronous, and does not return any
information. If an error occurs, <span class="code">user_err/2</span> of the error
report module is called and the notification is discarded.
</p>
<div class="note">
<div class="label">Note</div>
<div class="content"><p>
<p>Note that the use of the LocalEngineID argument is only intended
for special cases, if the agent is to "emulate" multiple EngineIDs!
By default, the agent uses the value of <span class="code">SnmpEngineID</span>
(see SNMP-FRAMEWORK-MIB). </p>
</p></div>
</div>
<p><span class="code">ExtraInfo</span> is not normally used in any way by the agent.
It is intended to be passed along to the net-if process, which is
a component that a user can implement themself. The users own net-if
may then make use of ExtraInfo. The net-if provided with this
application does not process ExtraInfo. </p>
<p>There is one exception. <strong>Any</strong> tuple containing the atom
<span class="code">snmpa_default_notification_extra_info</span> will, in this context,
be considered belonging to this application, and may be processed
by the agent. </p>
<a name="discovery"></a>
</p></div>
<p><a name="discovery-2"><span class="bold_code">discovery(TargetName, Notification) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-3"><span class="bold_code">discovery(TargetName, Notification, Varbinds) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-3"><span class="bold_code">discovery(TargetName, Notification, DiscoHandler) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-4"><span class="bold_code">discovery(TargetName, Notification, ContextName, Varbinds) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-4"><span class="bold_code">discovery(TargetName, Notification, Varbinds, DiscoHandler) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-5"><span class="bold_code">discovery(TargetName, Notification, ContextName, Varbinds, DiscoHandler) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br><a name="discovery-6"><span class="bold_code">discovery(TargetName, Notification, ContextName, Varbinds, DiscoHandler, ExtraInfo) -> {ok, ManagerEngineID} | {error, Reason}</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">TargetName = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Notification = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">ContextName = string() (defaults to "")</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Varbinds = varbinds()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbinds() = [varbind()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">DiscoHandler = snmpa_discovery_handler()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">ExtraInfo = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">snmpa_discovery_handler() = Module implementing the snmpa_discovery_handler behaviour</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">ManagerEngineID = string()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">varbind() = {Variable, Value} | {Column, RowIndex, Value} | {OID, Value}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Variable = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Column = atom()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">OID = oid()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Value = term()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">RowIndex = [int()]</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Reason = term()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Initiate the discovery process with the manager identified by
<span class="code">TargetName</span> using the notification <span class="code">Notification</span>. </p>
<p>This function is synchronous, which means that it will return when
the discovery process has been completed or failed. </p>
<p>The <span class="code">DiscoHandler</span> module is used during the discovery
process. See
<span class="bold_code"><a href="snmpa_discovery_handler.html">discovery handler</a></span>
for more info. </p>
<p>The <span class="code">ExtraInfo</span> argument is passed on to the callback functions
of the <span class="code">DiscoHandler</span>. </p>
<div class="note">
<div class="label">Note</div>
<div class="content"><p><p>If we are not at security-level <span class="code">noAuthNoPriv</span>,
this could be complicated, since the agent will then continue
with stage 2, before which the usm-related updates must be
done. </p></p></div>
</div>
<div class="note">
<div class="label">Note</div>
<div class="content"><p><p>The default discovery handler will require
additional actions by the caller and the discovery will not work
if the security-level is higher then <span class="code">noAuthNoPriv</span>. </p></p></div>
</div>
<a name="convert_config"></a>
</p></div>
<p><a name="convert_config-1"><span class="bold_code">convert_config(OldConfig) -> AgentConfig</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">OldConfig = list()</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">AgentConfig = list()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>This off-line utility function can be used to convert
the old snmp application config (pre snmp-4.0) to the
new snmp agent config (as of snmp-4.0).</p>
<p>For information about the old config (<span class="code">OldConfig</span>)
see the OTP R9C documentation.</p>
<p>For information about the current agent config
(<span class="code">AgentConfig</span>), see either
the <span class="bold_code"><a href="snmp_app.html">SNMP application</a></span>
part of the reference manual or the
<span class="bold_code"><a href="snmp_config.html">Configuring the application</a></span>
chapter of the SNMP user's guide.</p>
<a name="restart_worker"></a>
</p></div>
<p><a name="restart_worker-0"><span class="bold_code">restart_worker() -> void()</span></a><br><a name="restart_worker-1"><span class="bold_code">restart_worker(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Restart the worker process of a multi-threaded agent.</p>
<p>This is a utility function, that can be useful when
e.g. debugging instrumentation functions.</p>
<a name="restart_set_worker"></a>
</p></div>
<p><a name="restart_set_worker-0"><span class="bold_code">restart_set_worker() -> void()</span></a><br><a name="restart_set_worker-1"><span class="bold_code">restart_set_worker(Agent) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Agent = pid() | atom()</span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Restart the set worker process of a multi-threaded agent.</p>
<p>This is a utility function, that can be useful when
e.g. debugging instrumentation functions.</p>
<a name="print_mib_info"></a>
</p></div>
<p><a name="print_mib_info-0"><span class="bold_code">print_mib_info() -> void()</span></a><br></p>
<div class="REFBODY"><p>
<p>Prints the content of all the (snmp) tables and variables
for all mibs handled by the snmp agent. </p>
<a name="print_mib_tables"></a>
</p></div>
<p><a name="print_mib_tables-0"><span class="bold_code">print_mib_tables() -> void()</span></a><br></p>
<div class="REFBODY"><p>
<p>Prints the content of all the (snmp) tables
for all mibs handled by the snmp agent. </p>
<a name="print_mib_variables"></a>
</p></div>
<p><a name="print_mib_variables-0"><span class="bold_code">print_mib_variables() -> void()</span></a><br></p>
<div class="REFBODY"><p>
<p>Prints the content of all the (snmp) variables
for all mibs handled by the snmp agent. </p>
<a name="verbosity"></a>
</p></div>
<p><a name="verbosity-2"><span class="bold_code">verbosity(Ref,Verbosity) -> void()</span></a><br></p>
<div class="REFBODY">
<p>Types:</p>
<div class="REFTYPES">
<span class="bold_code">Ref = pid() | sub_agents | master_agent | net_if | mib_server | symbolic_store | note_store | local_db</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">Verbosity = verbosity() | {subagents, verbosity()}</span><br>
</div>
<div class="REFTYPES">
<span class="bold_code">verbosity() = silence | info | log | debug | trace </span><br>
</div>
</div>
<div class="REFBODY"><p>
<p>Sets verbosity for the designated process. For the lowest
verbosity <span class="code">silence</span>, nothing is printed. The higher the
verbosity, the more is printed. </p>
</p></div>
<h3><a name="id109065">See Also</a></h3>
<div class="REFBODY">
<p>calendar(3), erlc(1) </p>
</div>
</div>
<div class="footer">
<hr>
<p>Copyright © 1997-2012 Ericsson AB. All Rights Reserved.</p>
</div>
</div>
</div></body>
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