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authorMicael Karlberg <[email protected]>2013-05-28 17:23:06 +0200
committerMicael Karlberg <[email protected]>2013-05-28 17:23:06 +0200
commita6c76247fa67e86c12773e2d997c66c9f794b002 (patch)
tree152b2eb5983ae14bf4947a997428a1ebf36e6f1c /lib/snmp/doc
parent1fadb8a6744b282659cecba754b9678ef9761d8c (diff)
parent8f541e4959d4f58480beac053cc76613cd208837 (diff)
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Merge branch 'bmk/snmp/agent/mib_storage_behaviour/OTP-11107' into bmk/snmp/snmp424_integration/r16
Conflicts: lib/snmp/doc/src/notes.xml
Diffstat (limited to 'lib/snmp/doc')
-rw-r--r--lib/snmp/doc/src/files.mk1
-rw-r--r--lib/snmp/doc/src/notes.xml13
-rw-r--r--lib/snmp/doc/src/ref_man.xml1
-rw-r--r--lib/snmp/doc/src/snmp_app.xml137
-rw-r--r--lib/snmp/doc/src/snmp_config.xml121
-rw-r--r--lib/snmp/doc/src/snmpa_mib_data.xml2
-rw-r--r--lib/snmp/doc/src/snmpa_mib_storage.xml292
7 files changed, 542 insertions, 25 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 bf4710aa2c..80de9738f1 100644
--- a/lib/snmp/doc/src/notes.xml
+++ b/lib/snmp/doc/src/notes.xml
@@ -62,6 +62,19 @@
<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 c7a74f0ca6..e5a05342c1 100644
--- a/lib/snmp/doc/src/snmp_app.xml
+++ b/lib/snmp/doc/src/snmp_app.xml
@@ -311,30 +311,119 @@
<p>Default is <c>[]</c>.</p>
</item>
- <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>
- <p>Specifies how info retrieved from the mibs will be stored.</p>
- <p>If <c>mib_storage</c> is <c>{ets, Dir}</c>, the table will also be
- stored on file. If <c>Dir</c> is <c>default</c>, then <c>db_dir</c>
- will be used.</p>
- <p>If <c>mib_storage</c> is <c>dets</c> or if <c>Dir</c> is
- <c>default</c>, then <c>db_dir</c> will be used for <c>Dir</c>.</p>
- <p>If <c>mib_storage</c> is <c>mnesia</c> then <c>erlang:nodes()</c>
- will be used for <c>Nodes</c>.</p>
- <p>Default is <c>ets</c>. </p>
- <p><c>Dir = default | string()</c>. Dir is the directory where the
- files will be stored. If <c>default</c>, then <c>db_dir</c> will be
- used.</p>
- <p><c>Nodes = visible | connected | [node()]</c>.
- <c>Nodes = visible</c> is translated to
- <c>erlang:nodes(visible)</c>.
- <c>Nodes = connected</c> is translated to
- <c>erlang:nodes(connected)</c>.
- If <c>Nodes = []</c> then the own node is assumed.</p>
- <p><c>Action = clear | keep</c>. Default is <c>keep</c>.
- <c>Action</c> is used to specify what shall be done if the
- mnesia/dets table already exist.</p>
+ <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, mib_storage_options()}</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 related data retrieved while loading a mib. </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.
+ For the module provided with the app, these options are supported: </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> - A list of node names (or an atom
+ describing a list of nodes) defining where to open the table.
+ Its up to the user to ensure that mnesia is actually running
+ on the specified nodes. </p>
+ <p>The following distinct values are recognised: </p>
+ <list>
+ <item>
+ <p><c>[]</c> - Translated into a list of the own node: <c>[node()]</c></p>
+ </item>
+ <item>
+ <p><c>all</c> - <c>erlang:nodes()</c></p>
+ </item>
+ <item>
+ <p><c>visible</c> - <c>erlang:nodes(visible)</c></p>
+ </item>
+ <item>
+ <p><c>connected</c> - <c>erlang:nodes(connected)</c></p>
+ </item>
+ <item>
+ <p><c>db_nodes</c> - <c>mnesia:system_info(db_nodes)</c></p>
+ </item>
+ </list>
+
+ <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..61ee7f00ee 100644
--- a/lib/snmp/doc/src/snmp_config.xml
+++ b/lib/snmp/doc/src/snmp_config.xml
@@ -308,6 +308,126 @@
<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, mib_storage_options()}</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 related data dataretrieved while loading a mib. </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.
+ For the module provided with the app, these options are supported: </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> - A list of node names (or an atom
+ describing a list of nodes) defining where to open the table.
+ Its up to the user to ensure that mnesia is actually running
+ on the specified nodes. </p>
+ <p>The following distinct values are recognised: </p>
+ <list>
+ <item>
+ <p><c>[]</c> - Translated into a list of the own node: <c>[node()]</c></p>
+ </item>
+ <item>
+ <p><c>all</c> - <c>erlang:nodes()</c></p>
+ </item>
+ <item>
+ <p><c>visible</c> - <c>erlang:nodes(visible)</c></p>
+ </item>
+ <item>
+ <p><c>connected</c> - <c>erlang:nodes(connected)</c></p>
+ </item>
+ <item>
+ <p><c>db_nodes</c> - <c>mnesia:system_info(db_nodes)</c></p>
+ </item>
+ </list>
+
+ <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 +453,7 @@
<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>
diff --git a/lib/snmp/doc/src/snmpa_mib_storage.xml b/lib/snmp/doc/src/snmpa_mib_storage.xml
new file mode 100644
index 0000000000..a857ce79e8
--- /dev/null
+++ b/lib/snmp/doc/src/snmpa_mib_storage.xml
@@ -0,0 +1,292 @@
+<?xml version="1.0" encoding="iso-8859-1" ?>
+<!DOCTYPE erlref SYSTEM "erlref.dtd">
+
+<erlref>
+ <header>
+ <copyright>
+ <year>2013</year><year>2013</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ </legalnotice>
+
+ <title>snmpa_mib_storage</title>
+ <prepared></prepared>
+ <docno></docno>
+ <date></date>
+ <rev></rev>
+ <file>snmpa_mib_storage.xml</file>
+ </header>
+
+ <module>snmpa_mib_storage</module>
+ <modulesummary>
+ Behaviour module for the SNMP agent mib storage.
+ </modulesummary>
+ <description>
+ <p>This module defines the behaviour of the SNMP agent mib storage. </p>
+ <p>The mib storage is used by the agent to store internal mib-
+ related information. The mib storage module is used by several entities,
+ not just the mib-server. </p>
+
+ <p>A <c>snmpa_mib_storage</c> compliant module
+ must export the following functions: </p>
+ <list type="bulleted">
+ <item>
+ <seealso marker="#open">open/5</seealso>
+ </item>
+ <item>
+ <seealso marker="#close">close/1</seealso>
+ </item>
+ <item>
+ <seealso marker="#read">read/2</seealso>
+ </item>
+ <item>
+ <seealso marker="#write">write/2</seealso>
+ </item>
+ <item>
+ <seealso marker="#delete1">delete/1</seealso>
+ </item>
+ <item>
+ <seealso marker="#delete2">delete/2</seealso>
+ </item>
+ <item>
+ <seealso marker="#match_object">match_object/2</seealso>
+ </item>
+ <item>
+ <seealso marker="#match_delete">match_delete/2</seealso>
+ </item>
+ <item>
+ <seealso marker="#tab2list">tab2list/1</seealso>
+ </item>
+ <item>
+ <seealso marker="#info">info/1</seealso>
+ </item>
+ <item>
+ <seealso marker="#sync">sync/1</seealso>
+ </item>
+ <item>
+ <seealso marker="#backup">backup/2</seealso>
+ </item>
+ </list>
+
+ <p>The semantics of them and their exact signatures are
+ explained below. </p>
+
+ </description>
+
+ <section>
+ <title>CALLBACK FUNCTIONS</title>
+ <p>The following functions must be exported from a
+ <c>mib-server</c> data callback module: </p>
+
+ <marker id="open"></marker>
+ </section>
+
+ <funcs>
+ <func>
+ <name>Module:open(Name, RecordName, Fields, Type, Options) -> {ok, TabId} | {error, Reason}</name>
+ <fsummary>Create new (mib-server) data instance</fsummary>
+ <type>
+ <v>Name = atom()</v>
+ <v>RecordName = atom()</v>
+ <v>Fields = [atom()]</v>
+ <v>Type = set | bag()</v>
+ <v>Options = list()</v>
+ <v>TabId = term()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Create or open a mib storage table. </p>
+ <p>Note that the <c>RecordName</c> and <c>Fields</c> arguments
+ my not be used in all implementations (they are actually only
+ needed for mnesia-based implementations). </p>
+
+ <p>Note also that the <c>Options</c> argument comes from
+ the <c>options</c> config option of the mib-storage config option,
+ and is passed on as is. </p>
+
+ <marker id="close"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:close(TabId) -> void()</name>
+ <fsummary>Close the mib-storage table</fsummary>
+ <type>
+ <v>State = term()</v>
+ </type>
+ <desc>
+ <p>Close the mib-storage table.</p>
+
+ <marker id="read"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:read(TabId, Key) -> false | {value, Record}</name>
+ <fsummary>Read a record from the mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Key = term()</v>
+ <v>Record = tuple()</v>
+ </type>
+ <desc>
+ <p>Read a record from the mib-storage table. </p>
+
+ <marker id="write"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:write(TabId, Record) -> ok | {error, Reason}</name>
+ <fsummary>Write a record to the mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Record = tuple()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Write a record to the mib-storage table. </p>
+
+ <marker id="delete1"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:delete(TabId) -> void()</name>
+ <fsummary>Delete an entire mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ </type>
+ <desc>
+ <p>Delete an entire mib-storage table. </p>
+
+ <marker id="delete2"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:delete(TabId, Key) -> ok | {error, Reason}</name>
+ <fsummary>Delete a record from the mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Key = term()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Delete a record from the mib-storage table. </p>
+
+ <marker id="match_object"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:match_object(TabId, Pattern) -> {ok, Recs} | {error, Reason}</name>
+ <fsummary>Search the mib-storage table for record matching pattern</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Pattern = match_pattern()</v>
+ <v>Recs = [tuple()]</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Search the mib-storage table for record that match the
+ specified pattern. </p>
+
+ <marker id="match_delete"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:match_delete(TabId, Pattern) -> {ok, Recs} | {error, Reason}</name>
+ <fsummary>Delete records in the mib-storage table matching pattern</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Pattern = match_pattern()</v>
+ <v>Recs = [tuple()]</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Search the mib-storage table for record that match the
+ specified pattern and then delete them. The records deleted are
+ also returned. </p>
+
+ <marker id="tab2list"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:tab2list(TabId) -> Recs</name>
+ <fsummary>Return all records of the mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Recs = [tuple()]</v>
+ </type>
+ <desc>
+ <p>Return all records in the mib-storage table in the form
+ of a list. </p>
+
+ <marker id="info"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:info(TabId) -> {ok, Info} | {error, Reason}</name>
+ <fsummary>Returns information about the mib-storage table. </fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>Info = term()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Retrieve implementation dependent mib-storage table
+ information. </p>
+
+ <marker id="sync"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:sync(TabId) -> void()</name>
+ <fsummary>Synchronize mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ </type>
+ <desc>
+ <p>Synchronize the mib-storage table. </p>
+ <p>What this means, if anything, is implementation dependent. </p>
+
+ <marker id="backup"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>Module:backup(TabId, BackupDir) -> ok | {error, Reason}</name>
+ <fsummary>Perform a backup of the mib-storage table</fsummary>
+ <type>
+ <v>TabId = term()</v>
+ <v>BackupDir = string()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Perform a backup of the mib-storage table. </p>
+ <p>What this means, if anything, is implementation dependent. </p>
+
+ </desc>
+ </func>
+
+ </funcs>
+
+</erlref>
+