diff options
Diffstat (limited to 'lib/snmp')
| -rw-r--r-- | lib/snmp/doc/src/notes.xml | 69 | ||||
| -rw-r--r-- | lib/snmp/doc/src/ref_man.xml | 1 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmp_app.xml | 27 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmp_config.xml | 31 | ||||
| -rw-r--r-- | lib/snmp/doc/src/snmpa_mib_data.xml | 232 |
5 files changed, 305 insertions, 55 deletions
diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml index b47d4237f5..2dfe347e42 100644 --- a/lib/snmp/doc/src/notes.xml +++ b/lib/snmp/doc/src/notes.xml @@ -34,6 +34,75 @@ <section> + <title>SNMP Development Toolkit 4.24</title> + <p>Version 4.24 supports code replacement in runtime from/to + version 4.23.1 and 4.23. </p> + + <section> + <title>Improvements and new features</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>[agent] Introduced a documented behaviour for the mib-server + <seealso marker="snmpa_mib_data">mib-data backend</seealso>. + At present only the default module (<c>snmpa_mib_data_tttn</c>) is + provided. </p> + <p>A config option for the (agent) + <seealso marker="snmp_config#agent_mib_server">mib-servers</seealso> + mib-data backend module has been added to the agent config options, + <seealso marker="snmp_config#agent_ms_data_module">data_module</seealso>. </p> + <p>Own Id: OTP-11101</p> + </item> + </list> + + </section> + + <section> + <title>Fixed Bugs and Malfunctions</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>[compiler] Now handles MIBs importing the pesudotype BITS. </p> + <p>Own Id: OTP-10799</p> + </item> + + <item> + <p>[compiler] The MIB compiler could not handle a table index + that was defined later in the MIB. </p> + <p>Own Id: OTP-10808</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + +<!-- + <list type="bulleted"> + <item> + <p>[manager] The old Addr-and-Port based API functions, previously + long deprecated and marked for deletion in R16B, has now been + removed. </p> + <p>Own Id: OTP-10027</p> + </item> + + </list> +--> + </section> + + </section> <!-- 4.23.1 --> + + + <section> <title>SNMP Development Toolkit 4.23.1</title> <p>Version 4.23.1 supports code replacement in runtime from/to version 4.23. </p> diff --git a/lib/snmp/doc/src/ref_man.xml b/lib/snmp/doc/src/ref_man.xml index 92e8927f6d..2c12ac665a 100644 --- a/lib/snmp/doc/src/ref_man.xml +++ b/lib/snmp/doc/src/ref_man.xml @@ -44,6 +44,7 @@ <xi:include href="snmpa_error_io.xml"/> <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_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 62dfa515d1..6ce5285a68 100644 --- a/lib/snmp/doc/src/snmp_app.xml +++ b/lib/snmp/doc/src/snmp_app.xml @@ -4,7 +4,7 @@ <appref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -340,7 +340,7 @@ <marker id="agent_mib_server"></marker> <tag><c><![CDATA[mib_server() = [mib_server_opt()] <optional>]]></c></tag> <item> - <p><c>mib_server_opt() = {mibentry_override, mibentry_override()} | {trapentry_override, trapentry_override()} | {verbosity, verbosity()} | {cache, mibs_cache()}</c></p> + <p><c>mib_server_opt() = {mibentry_override, mibentry_override()} | {trapentry_override, trapentry_override()} | {verbosity, verbosity()} | {cache, mibs_cache()} | {data_module, mib_data_module()}</c></p> <p>Defines options specific for the SNMP agent mib server. </p> <p>For defaults see the options in <c>mib_server_opt()</c>.</p> </item> @@ -365,7 +365,28 @@ <p>Default is <c>false</c>.</p> </item> - <marker id="agent_ms_cache"></marker> + <marker id="agent_ms_data_module"></marker> +<!-- + <tag><c><![CDATA[mib_data_module() = snmpa_mib_data_tttn | snmpa_mib_data_ttln | module() <optional>]]></c></tag> +--> + <tag><c><![CDATA[mib_data_module() = snmpa_mib_data_tttn | module() <optional>]]></c></tag> + <item> + <p>Defines the backend mib_data storage module of the + SNMP agent mib-server as defined by the + <seealso marker="snmpa_mib_data">snmpa_mib_data</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> + </item> + + <marker id="agent_ms_cache"></marker> <tag><c><![CDATA[mibs_cache() = bool() | mibs_cache_opts() <optional>]]></c></tag> <item> <p>Shall the agent utilize the mib server lookup cache or not.</p> diff --git a/lib/snmp/doc/src/snmp_config.xml b/lib/snmp/doc/src/snmp_config.xml index 42831ecb34..4e2e932b46 100644 --- a/lib/snmp/doc/src/snmp_config.xml +++ b/lib/snmp/doc/src/snmp_config.xml @@ -337,7 +337,7 @@ <marker id="agent_mib_server"></marker> <tag><c><![CDATA[mib_server() = [mib_server_opt()] <optional>]]></c></tag> <item> - <p><c>mib_server_opt() = {mibentry_override, mibentry_override()} | {trapentry_override, trapentry_override()} | {verbosity, verbosity()} | {cache, mibs_cache()} | {mob_data_mod, mib_data_mod()}</c></p> + <p><c>mib_server_opt() = {mibentry_override, mibentry_override()} | {trapentry_override, trapentry_override()} | {verbosity, verbosity()} | {cache, mibs_cache()} | {data_module, mib_data_module()}</c></p> <p>Defines options specific for the SNMP agent mib server. </p> <p>For defaults see the options in <c>mib_server_opt()</c>.</p> </item> @@ -362,28 +362,35 @@ <p>Default is <c>false</c>.</p> </item> - <marker id="agent_ms_cache"></marker> - <tag><c><![CDATA[mibs_cache() = bool() | mibs_cache_opts() <optional>]]></c></tag> - <item> - <p>Shall the agent utilize the mib server lookup cache or not.</p> - <p>Default is <c>true</c> (in which case the <c>mibs_cache_opts()</c> - default values apply).</p> - </item> - - <marker id="agent_ms_mib_data_mod"></marker> - <tag><c><![CDATA[mib_data_mod() = snmpa_mib_data_tttn | snmpa_mib_data_ttln | module() <optional>]]></c></tag> + <marker id="agent_ms_data_module"></marker> +<!-- + <tag><c><![CDATA[mib_data_module() = snmpa_mib_data_tttn | snmpa_mib_data_ttln | module() <optional>]]></c></tag> +--> + <tag><c><![CDATA[mib_data_module() = snmpa_mib_data_tttn | module() <optional>]]></c></tag> <item> <p>Defines the backend mib_data storage module of the SNMP agent mib-server as defined by the <seealso marker="snmpa_mib_data">snmpa_mib_data</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). + this algorithm can be more price efficient). </p> +--> <p>Default module is <c>snmpa_mib_data_tttn</c>. </p> </item> + <marker id="agent_ms_cache"></marker> + <tag><c><![CDATA[mibs_cache() = bool() | mibs_cache_opts() <optional>]]></c></tag> + <item> + <p>Shall the agent utilize the mib server lookup cache or not.</p> + <p>Default is <c>true</c> (in which case the <c>mibs_cache_opts()</c> + default values apply).</p> + </item> + <marker id="agent_ms_cache_opts"></marker> <tag><c><![CDATA[mibs_cache_opts() = [mibs_cache_opt()] <optional>]]></c></tag> <item> diff --git a/lib/snmp/doc/src/snmpa_mib_data.xml b/lib/snmp/doc/src/snmpa_mib_data.xml index eeeb124d9d..8e79bb1673 100644 --- a/lib/snmp/doc/src/snmpa_mib_data.xml +++ b/lib/snmp/doc/src/snmpa_mib_data.xml @@ -23,10 +23,7 @@ <title>snmpa_mib_data</title> <prepared></prepared> - <responsible></responsible> <docno></docno> - <approved></approved> - <checked></checked> <date></date> <rev></rev> <file>snmpa_mib_data.xml</file> @@ -41,76 +38,89 @@ must export the following functions: </p> <list type="bulleted"> <item> - <p>new/1</p> + <seealso marker="#new">new/1</seealso> </item> <item> - <p>close/1</p> + <seealso marker="#close">close/1</seealso> </item> <item> - <p>sync/1</p> + <seealso marker="#sync">sync/1</seealso> </item> <item> - <p>load_mib/4</p> + <seealso marker="#load_mib">load_mib/4</seealso> </item> <item> - <p>unload_mib/4</p> + <seealso marker="#unload_mib">unload_mib/4</seealso> </item> <item> - <p>lookup/2</p> + <seealso marker="#lookup">lookup/2</seealso> </item> <item> - <p>next/3</p> + <seealso marker="#next">next/3</seealso> </item> <item> - <p>register_subagent/3</p> + <seealso marker="#register_subagent">register_subagent/3</seealso> </item> <item> - <p>unregister_subagent/2</p> + <seealso marker="#unregister_subagent">unregister_subagent/2</seealso> </item> <item> - <p>which_mib/2</p> + <seealso marker="#which_mib">which_mib/2</seealso> </item> <item> - <p>which_mibs/1</p> + <seealso marker="#which_mibs">which_mibs/1</seealso> </item> <item> - <p>whereis_mib/2</p> + <seealso marker="#whereis_mib">whereis_mib/2</seealso> </item> <item> - <p>backup/2</p> + <seealso marker="#dump">dump/2</seealso> </item> <item> - <p>dump/2</p> + <seealso marker="#info">info/1</seealso> </item> <item> - <p>info/1,2</p> + <seealso marker="#backup">backup/2</seealso> </item> <item> - <p>code_change/2</p> + <seealso marker="#code_change">code_change/4</seealso> </item> </list> - <p>The semantics of them and their exact signatures are explained - below. </p> - <marker id="handle_error"></marker> + <p>The semantics of them and their exact signatures are + explained below. </p> + + <p>Note that some of the data need to be "passed on" to the + symbolic-store for storage, see the default mib-server data + module, <c>snmpa_mib_data_tttn</c> for details. </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="new"></marker> + </section> + <funcs> <func> - <name>new(Storage) -> State</name> - <fsummary>Create new (mib-storage) instance</fsummary> + <name>Module:new(Storage) -> State</name> + <fsummary>Create new (mib-server) data instance</fsummary> <type> <v>Storage = mib_storage()</v> <v>State = term()</v> </type> <desc> - <p>Create a new mib-storage instance. </p> + <p>Create a new mib-server data instance. </p> <marker id="close"></marker> </desc> </func> <func> - <name>close(State) -> void()</name> + <name>Module:close(State) -> void()</name> <fsummary>Close the mib-storage</fsummary> <type> <v>State = term()</v> @@ -123,13 +133,13 @@ </func> <func> - <name>sync(State) -> void()</name> + <name>Module:sync(State) -> void()</name> <fsummary>Synchronize to disc</fsummary> <type> <v>State = term()</v> </type> <desc> - <p>Synchronize (write to disc, if possible) the data to disc. + <p>Synchronize (write to disc, if possible) the mib-server data. This depends on the <c>mib_storage</c> option, and will only have an effect if the mib-storage option has an actual disc component (such as dets, or ets with a file). </p> @@ -139,7 +149,7 @@ </func> <func> - <name>load_mib(State, Filename, MeOverride, TeOverride) -> {ok, NewState} | {error, Reason}</name> + <name>Module:load_mib(State, Filename, MeOverride, TeOverride) -> {ok, NewState} | {error, Reason}</name> <fsummary>Load a mib into the mib-server</fsummary> <type> <v>State = NewState = term()</v> @@ -160,7 +170,7 @@ </func> <func> - <name>unload_mib(State, Filename) -> {ok, NewState} | {error, Reason}</name> + <name>Module:unload_mib(State, Filename) -> {ok, NewState} | {error, Reason}</name> <fsummary>Unload mib from the mib-server</fsummary> <type> <v>State = NewState = term()</v> @@ -176,7 +186,7 @@ </func> <func> - <name>lookup(State, Oid) -> Reply</name> + <name>Module:lookup(State, Oid) -> Reply</name> <fsummary>Find the mib-entry corresponding to the Oid</fsummary> <type> <v>State = term()</v> @@ -187,19 +197,18 @@ <v>Reason = term()</v> </type> <desc> - <p>Find the mib-entry corresponding to the Oid. - 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> - <!-- FIX --> + <p>Find the mib-entry corresponding to the <c>Oid</c>. + If it is a variable, the <c>Oid</c> must be + <Oid for var>.0 + and if it is a table, <c>Oid</c> must be + <table>.<entry>.<col>.<any>.</p> <marker id="next"></marker> </desc> </func> <func> - <name>next(State, Oid, MibView) -> Reply</name> + <name>Module:next(State, Oid, MibView) -> Reply</name> <fsummary>Finds the lexicographically next oid</fsummary> <type> <v>State = term()</v> @@ -216,7 +225,7 @@ </func> <func> - <name>register_subagent(State, Oid, Pid) -> Reply</name> + <name>Module:register_subagent(State, Oid, Pid) -> Reply</name> <fsummary>Register the subagent</fsummary> <type> <v>State = NewState = term()</v> @@ -226,13 +235,156 @@ <v>Reason = term()</v> </type> <desc> - <p>Register the the subagent, process, + <p>Register the subagent, process, handling part of the mib-tree. </p> <marker id="unregister_subagent"></marker> </desc> </func> + <func> + <name>Module:unregister_subagent(State, PidOrOid) -> Reply</name> + <fsummary>Unregister the subagent</fsummary> + <type> + <v>State = NewState = term()</v> + <v>Reply = {ok, NewState} | {ok, NewState, Pid} | {error, Reason}</v> + <v>PidOrOid = pid() | oid()</v> + <v>Pid = pid()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Unregister the subagent, handling part of the mib-tree, + as specified by the <c>oid()</c> or <c>pid()</c> + (<c>PidOrOid</c>). </p> + <p>When unregister the subagent using an <c>oid()</c>, the <c>pid()</c> + of the process handling the sub-tree is also returned. </p> + + <marker id="dump"></marker> + </desc> + </func> + + <func> + <name>Module:dump(State, Destination) -> Reply</name> + <fsummary>Unregister the subagent</fsummary> + <type> + <v>State = term()</v> + <v>Reply = ok | {error, Reason}</v> + <v>Destination = io | filename()</v> + <v>Pid = pid()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Dump the mib-server data to <c>stdio</c> (Destination = <c>io</c>) or + the specified file. </p> + + <marker id="which_mib"></marker> + </desc> + </func> + + <func> + <name>Module:which_mib(State, Oid) -> Reply</name> + <fsummary>Retrieve the mib file for an oid()</fsummary> + <type> + <v>State = term()</v> + <v>Reply = {ok, MibFile} | {error, Reason}</v> + <v>Oid = oid()</v> + <v>MibFile = string()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Retrieve the mib-file to which an given <c>oid()</c> belongs. </p> + + <marker id="which_mibs"></marker> + </desc> + </func> + + <func> + <name>Module:which_mibs(State) -> Reply</name> + <fsummary>Retrieve all loaded mib files</fsummary> + <type> + <v>State = term()</v> + <v>Reply = [{MibName, Filename}]</v> + <v>MibName = atom()</v> + <v>Filename = string()</v> + </type> + <desc> + <p>Retrieve all loaded mib-files. </p> + + <marker id="whereis_mib"></marker> + </desc> + </func> + + <func> + <name>Module:whereis_mib(State, MibName) -> Reply</name> + <fsummary>Retrieve the mib file for the mib</fsummary> + <type> + <v>State = term()</v> + <v>MibName = atom()</v> + <v>Reply = {ok, Filename} | {error, Reason}</v> + <v>Filename = string()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Retrieve the mib file for the mib. </p> + + <marker id="info"></marker> + </desc> + </func> + + <func> + <name>Module:info(State) -> Reply</name> + <fsummary>Retrieve misc info for the mib data</fsummary> + <type> + <v>State = term()</v> + <v>Reply = {ok, Filename} | {error, Reason}</v> + <v>Filename = string()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Retrieve misc info for the mib data. </p> + <p>This is a utility function used to inspect, for instance, + memory usage, in a simple way. </p> + + <marker id="backup"></marker> + </desc> + </func> + + <func> + <name>Module:backup(State, BackupDir) -> Reply</name> + <fsummary>Perform a backup of the mib-server data</fsummary> + <type> + <v>State = term()</v> + <v>Reply = ok | {error, Reason}</v> + <v>BackupDir = string()</v> + <v>Reason = term()</v> + </type> + <desc> + <p>Perform a backup of the mib-server data. </p> + <p>Note that its implementation dependant (and also + dependent on mib-storage is used) if a backup is possible. </p> + + <marker id="code_change"></marker> + </desc> + </func> + + <func> + <name>Module:code_change(Destination, Vsn, Extra, State) -> NewState</name> + <fsummary>Perform a code-change</fsummary> + <type> + <v>Destination = up | down</v> + <v>Vsn = term()</v> + <v>Extra = term()</v> + <v>State = NewState = term()</v> + </type> + <desc> + <p>Perform a code-change (upgrade or downgrade). </p> + <p>See + <seealso marker="gen_server">gen_server</seealso> + for more info regarding the <c>Vsn</c> and <c>Extra</c> arguments. </p> + + </desc> + </func> + </funcs> </erlref> |