diff options
| -rw-r--r-- | lib/snmp/doc/src/files.mk | 1 | ||||
| -rw-r--r-- | lib/snmp/doc/src/notes.xml | 13 | ||||
| -rw-r--r-- | lib/snmp/doc/src/ref_man.xml | 1 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmp_app.xml | 94 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmp_config.xml | 98 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmpa_mib_data.xml | 2 |
6 files changed, 193 insertions, 16 deletions
diff --git a/lib/snmp/doc/src/files.mk b/lib/snmp/doc/src/files.mk index e215143b03..494c550fff 100644 --- a/lib/snmp/doc/src/files.mk +++ b/lib/snmp/doc/src/files.mk @@ -42,6 +42,7 @@ XML_AGENT_REF3_FILES = \ snmpa_error_logger.xml \ snmpa_local_db.xml \ snmpa_mib_data.xml \ + snmpa_mib_storage.xml \ snmpa_mpd.xml \ snmpa_network_interface.xml \ snmpa_network_interface_filter.xml \ diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml index 2dfe347e42..b6c7c22fb0 100644 --- a/lib/snmp/doc/src/notes.xml +++ b/lib/snmp/doc/src/notes.xml @@ -56,6 +56,19 @@ <seealso marker="snmp_config#agent_ms_data_module">data_module</seealso>. </p> <p>Own Id: OTP-11101</p> </item> + + <item> + <p>[agent] Introduced a documented behaviour for the + <seealso marker="snmpa_mib_storage">mib storage</seealso>. + At present there are three simple modules + (<c>snmpa_mib_storage_ets</c>, <c>snmpa_mib_storage_dets</c> and + <c>snmpa_mib_storage_mnesia</c>) implement�ng this behaviour, + provided with the app. </p> + <p>A config option for the (agent) + <seealso marker="snmp_config#agent_mib_storage">mib storage</seealso> + has been added to the agent config options. </p> + <p>Own Id: OTP-11107</p> + </item> </list> </section> diff --git a/lib/snmp/doc/src/ref_man.xml b/lib/snmp/doc/src/ref_man.xml index 2c12ac665a..628b30b11a 100644 --- a/lib/snmp/doc/src/ref_man.xml +++ b/lib/snmp/doc/src/ref_man.xml @@ -45,6 +45,7 @@ <xi:include href="snmpa_error_logger.xml"/> <xi:include href="snmpa_local_db.xml"/> <xi:include href="snmpa_mib_data.xml"/> + <xi:include href="snmpa_mib_storage.xml"/> <xi:include href="snmpa_mpd.xml"/> <xi:include href="snmpa_network_interface.xml"/> <xi:include href="snmpa_network_interface_filter.xml"/> diff --git a/lib/snmp/doc/src/snmp_app.xml b/lib/snmp/doc/src/snmp_app.xml index 9cdbcc91c5..c62c8f1541 100644 --- a/lib/snmp/doc/src/snmp_app.xml +++ b/lib/snmp/doc/src/snmp_app.xml @@ -311,8 +311,8 @@ <p>Default is <c>[]</c>.</p> </item> - <marker id="agent_mib_storage"></marker> - <tag><c><![CDATA[mib_storage() = [mib_storage_opt()]]]></c></tag> + <marker id="agent_mib_storage"></marker> + <tag><c><![CDATA[mib_storage() = [mib_storage_opt()] <optional>]]></c></tag> <item> <p><c>mib_storage_opt() = {module, mib_storage_module()} | {options, list()}</c></p> <p>This option specifies how basic mib data is stored. @@ -322,21 +322,85 @@ </item> <marker id="agent_mst_module"></marker> - <tag><c><![CDATA[mib_storage_module() = snmpa_mib_data_ets | snmpa_mib_data_dets | snmpa_mib_data_mnesia | module() <optional>]]></c></tag> + <tag><c><![CDATA[mib_storage_module() = snmpa_mib_data_ets | snmpa_mib_data_dets | snmpa_mib_data_mnesia | module()]]></c></tag> <item> - <p>Defines the callback mib data storage module of the - SNMP agent mib-server as defined by the - <seealso marker="snmpa_mib_data">snmpa_mib_data</seealso> + <p>Defines the mib storage module of the SNMP agent as defined by the + <seealso marker="snmpa_mib_storage">snmpa_mib_storage</seealso> behaviour. </p> - <p>At present only the default module is provided with the agent, - <c>snmpa_mib_data_tttn</c>. </p> -<!-- - <p>Two modules is provided with the agent - <c>snmpa_mib_data_tttn</c> (this is the old implementation) and - <c>snmpa_mib_data_ttln</c> (for a mib tree with many holes, - this algorithm can be more price efficient). </p> ---> - <p>Default module is <c>snmpa_mib_data_tttn</c>. </p> + <p>Several entities (<c>mib-server</c> via the its data module and + the <c>symbolic-store</c>) of the snmp agent uses this for storage + of miscelaneous mib data. </p> + <p>There are several implementations provided with the agent: + <c>snmpa_mib_storage_ets</c>, <c>snmpa_mib_storage_dets</c> and + <c>snmpa_mib_storage_mnesia</c>. </p> + <p>Default module is <c>snmpa_mib_storage_ets</c>. </p> + </item> + + <marker id="agent_mst_options"></marker> + <tag><c><![CDATA[mib_storage_options() = list() <optional>]]></c></tag> + <item> + <p>This is implementattion depended. That is, it depends on the + module. For each module a specific set of options are valid: </p> + <list type="bulleted"> + <item> + <p><c>snmpa_mib_storage_ets</c>: <c>{dir, filename()} | {action, keep | clear}, {checksum, boolean()}</c></p> + <list> + <item> + <p><c>dir</c> - If present, points to a directory where a file + to which all data in the ets table is "synced". </p> + <p>Also, when a table is opened this file is read, + if it exists. </p> + <p>By default, this will <em>not</em> be used. </p> + </item> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty + file is found: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>checksum</c> - Defines if the file is checksummed + or not. </p> + <p>Default is <c>false</c>. </p> + </item> + </list> + </item> + <item> + <p><c>snmpa_mib_storage_dets</c>: <c>{dir, filename()} | {action, keep | clear}, {auto_save, default | pos_integer()} | {repair, force | boolean()}</c></p> + <list> + <item> + <p><c>dir</c> - This <em>mandatory</em> option points to a + directory where to place the file of a dets table. </p> + </item> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty + file is found: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>auto_save</c> - Defines the dets auto-save frequency. </p> + <p>Default is <c>default</c>. </p> + </item> + <item> + <p><c>repair</c> - Defines the dets repair behaviour. </p> + <p>Default is <c>false</c>. </p> + </item> + </list> + </item> + <item> + <p><c>snmpa_mib_storage_mnesia</c>: <c>{action, keep | clear}, {nodes, [node()]}</c></p> + <list> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty, + already existing, table: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>nodes</c> - Defines where to open the table. </p> + <p>Default is the result of the call: <c>erlang:nodes()</c>. </p> + </item> + </list> + </item> + </list> </item> <marker id="agent_mib_server"></marker> diff --git a/lib/snmp/doc/src/snmp_config.xml b/lib/snmp/doc/src/snmp_config.xml index 28bfcbb3de..a88111085f 100644 --- a/lib/snmp/doc/src/snmp_config.xml +++ b/lib/snmp/doc/src/snmp_config.xml @@ -308,6 +308,103 @@ <p>Default is <c>[]</c>.</p> </item> + <marker id="agent_mib_storage"></marker> + <tag><c><![CDATA[mib_storage() = [mib_storage_opt()] <optional>]]></c></tag> + <item> + <p><c>mib_storage_opt() = {module, mib_storage_module()} | {options, list()}</c></p> + <p>This option specifies how basic mib data is stored. + This option is used by two parts of the snmp agent: + The mib-server and the symbolic-store. </p> + <p>Default is <c>[{module, snmpa_mib_storage_ets}]</c>. </p> + </item> + + <marker id="agent_mst_module"></marker> + <tag><c><![CDATA[mib_storage_module() = snmpa_mib_data_ets | snmpa_mib_data_dets | snmpa_mib_data_mnesia | module()]]></c></tag> + <item> + <p>Defines the mib storage module of the SNMP agent as defined by the + <seealso marker="snmpa_mib_storage">snmpa_mib_storage</seealso> + behaviour. </p> + <p>Several entities (<c>mib-server</c> via the its data module and + the <c>symbolic-store</c>) of the snmp agent uses this for storage + of miscelaneous mib data. </p> + <p>There are several implementations provided with the agent: + <c>snmpa_mib_storage_ets</c>, <c>snmpa_mib_storage_dets</c> and + <c>snmpa_mib_storage_mnesia</c>. </p> + <p>Default module is <c>snmpa_mib_storage_ets</c>. </p> + </item> + + <marker id="agent_mst_options"></marker> + <tag><c><![CDATA[mib_storage_options() = list() <optional>]]></c></tag> + <item> + <p>This is implementattion depended. That is, it depends on the + module. For each module a specific set of options are valid: </p> + <list type="bulleted"> + <item> + <p><c>snmpa_mib_storage_ets</c>: <c>{dir, filename()} | {action, keep | clear}, {checksum, boolean()}</c></p> + <list> + <item> + <p><c>dir</c> - If present, points to a directory where a file + to which all data in the ets table is "synced". </p> + <p>Also, when a table is opened this file is read, + if it exists. </p> + <p>By default, this will <em>not</em> be used. </p> + </item> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty + file is found: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>checksum</c> - Defines if the file is checksummed + or not. </p> + <p>Default is <c>false</c>. </p> + </item> + </list> + </item> + <item> + <p><c>snmpa_mib_storage_dets</c>: <c>{dir, filename()} | {action, keep | clear}, {auto_save, default | pos_integer()} | {repair, force | boolean()}</c></p> + <list> + <item> + <p><c>dir</c> - This <em>mandatory</em> option points to a + directory where to place the file of a dets table. </p> + </item> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty + file is found: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>auto_save</c> - Defines the dets auto-save frequency. </p> + <p>Default is <c>default</c>. </p> + </item> + <item> + <p><c>repair</c> - Defines the dets repair behaviour. </p> + <p>Default is <c>false</c>. </p> + </item> + </list> + </item> + <item> + <p><c>snmpa_mib_storage_mnesia</c>: <c>{action, keep | clear}, {nodes, [node()]}</c></p> + <list> + <item> + <p><c>action</c> - Specifies the behaviour when a non-empty, + already existing, table: Keep its content or clear it out. </p> + <p>Default is <c>keep</c>. </p> + </item> + <item> + <p><c>nodes</c> - Defines where to open the table. </p> + <p>Default is the result of the call: <c>erlang:nodes()</c>. </p> + </item> + </list> + </item> + </list> + </item> + +<!-- + +This is the old format which is "supported", but not documented, +in so far as it will be converted to the new format if found. + <marker id="agent_mib_storage"></marker> <tag><c><![CDATA[mib_storage() = ets | {ets, Dir} | {ets, Dir, Action} | dets | {dets, Dir} | {dets, Dir, Action} | mnesia | {mnesia, Nodes} | {mnesia, Nodes, Action} <optional>]]></c></tag> <item> @@ -333,6 +430,7 @@ <c>Action</c> is used to specify what shall be done if the mnesia/dets table already exist.</p> </item> +--> <marker id="agent_mib_server"></marker> <tag><c><![CDATA[mib_server() = [mib_server_opt()] <optional>]]></c></tag> diff --git a/lib/snmp/doc/src/snmpa_mib_data.xml b/lib/snmp/doc/src/snmpa_mib_data.xml index 4c971ec5d9..ff07a03b98 100644 --- a/lib/snmp/doc/src/snmpa_mib_data.xml +++ b/lib/snmp/doc/src/snmpa_mib_data.xml @@ -122,7 +122,7 @@ <func> <name>Module:close(State) -> void()</name> - <fsummary>Close the mib-storage</fsummary> + <fsummary>Close the mib-server data instance</fsummary> <type> <v>State = term()</v> </type> |