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authorMicael Karlberg <[email protected]>2013-08-02 15:35:54 +0200
committerMicael Karlberg <[email protected]>2013-09-03 12:33:45 +0200
commit622952a654c2c8dd6ada8e0001343dfe2bce72e2 (patch)
tree89a6724f7126400891364fe01356e934596638bb /lib/snmp/doc/src
parent122edd2be9d6b1144fa04f6b7be8d75265473a50 (diff)
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[snmp/agent] Improved loading and unload of MIBs
Improved the documentation of the loading and unloading of MIBs (plural). also added functions for loading and unloading a single mib. OTP-11216
Diffstat (limited to 'lib/snmp/doc/src')
-rw-r--r--lib/snmp/doc/src/notes.xml67
-rw-r--r--lib/snmp/doc/src/snmpa.xml75
2 files changed, 132 insertions, 10 deletions
diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml
index 21c417f0c1..8ba2161a9d 100644
--- a/lib/snmp/doc/src/notes.xml
+++ b/lib/snmp/doc/src/notes.xml
@@ -34,6 +34,73 @@
<section>
+ <title>SNMP Development Toolkit 4.24.2</title>
+ <p>Version 4.24.2 supports code replacement in runtime from/to
+ version 4.24.1, 4.24, 4.23.1 and 4.23. </p>
+
+ <section>
+ <title>Improvements and new features</title>
+<!--
+ <p>-</p>
+-->
+
+ <list type="bulleted">
+ <item>
+ <p>[agent] Improved documentation for the functions for
+ loading and unloading mibs,
+ see <seealso marker="snmpa#load_mibs">load_mibs</seealso> and
+ <seealso marker="snmpa#unload_mibs">unload_mibs</seealso> for
+ more info. </p>
+ <p>Also added new functions for loading and unloading a single mib,
+ see <seealso marker="snmpa#load_mib">load_mib</seealso> and
+ <seealso marker="snmpa#unload_mib">unload_mib</seealso> for
+ more info. </p>
+ <p>Own Id: OTP-11216</p>
+ </item>
+
+ </list>
+
+ </section>
+
+ <section>
+ <title>Fixed Bugs and Malfunctions</title>
+ <p>-</p>
+
+<!--
+ <list type="bulleted">
+ <item>
+ <p>[agent]
+ see <seealso marker="snmpa#load_mibs">load_mibs</seealso> and
+ <seealso marker="snmpa#unload_mibs">unload_mibs</seealso>. </p>
+ <p>Own Id: OTP-11216</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> <!-- 4.24.2 -->
+
+
+ <section>
<title>SNMP Development Toolkit 4.24.1</title>
<p>Version 4.24.1 supports code replacement in runtime from/to
version 4.24, 4.23.1 and 4.23. </p>
diff --git a/lib/snmp/doc/src/snmpa.xml b/lib/snmp/doc/src/snmpa.xml
index 86fde03205..77146f3a89 100644
--- a/lib/snmp/doc/src/snmpa.xml
+++ b/lib/snmp/doc/src/snmpa.xml
@@ -245,29 +245,75 @@ notification_delivery_info() = #snmpa_notification_delivery_info{}
This function is used to convert to the old (pre-4.4) info
format. </p>
+ <marker id="load_mib"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>load_mib(Mib) -> ok | {error, Reason}</name>
+ <name>load_mib(Agent, Mib) -> ok | {error, Reason}</name>
+ <fsummary>Load single MIB into the agent</fsummary>
+ <type>
+ <v>Agent = pid() | atom()</v>
+ <v>MibName = string()</v>
+ <v>Reason = already_loaded | term()</v>
+ </type>
+ <desc>
+ <p>Load a single <c>Mib</c> into an agent. The <c>MibName</c>
+ is the name of the Mib, including the path to where the compiled
+ mib is found. For example: </p>
+ <code type="none">
+ Dir = code:priv_dir(my_app) ++ "/mibs/",
+ snmpa:load_mib(snmp_master_agent, Dir ++ "MY-MIB").
+ </code>
+
<marker id="load_mibs"></marker>
</desc>
</func>
<func>
<name>load_mibs(Mibs) -> ok | {error, Reason}</name>
- <name>load_mibs(Agent,Mibs) -> ok | {error, Reason}</name>
+ <name>load_mibs(Mibs, Force) -> ok | {error, Reason}</name>
+ <name>load_mibs(Agent, Mibs) -> ok | {error, Reason}</name>
+ <name>load_mibs(Agent, Mibs, Force) -> ok | {error, Reason}</name>
<fsummary>Load MIBs into the agent</fsummary>
<type>
<v>Agent = pid() | atom()</v>
<v>Mibs = [MibName]</v>
+ <v>Force = boolean()</v>
<v>MibName = string()</v>
- <v>Reason = term()</v>
+ <v>Reason = {'load aborted at', MibName, InternalReason}</v>
+ <v>InternalReason = already_loaded | term()</v>
</type>
<desc>
- <p>Loads <c>Mibs</c> into an agent. If the agent cannot load
- all MIBs, it will indicate where loading was aborted. The
- <c>MibName</c> is the name of the Mib, including the path to
- where the compiled mib is found. For example,</p>
- <code type="none">
+ <p>Load <c>Mibs</c> into an agent. If the agent cannot load all
+ MIBs (the default value of the <c>Force</c> argument is <c>false</c>),
+ it will indicate where loading was aborted. The <c>MibName</c>
+ is the name of the Mib, including the path to where the compiled
+ mib is found. For example,</p>
+ <code type="none">
Dir = code:priv_dir(my_app) ++ "/mibs/",
snmpa:load_mibs(snmp_master_agent, [Dir ++ "MY-MIB"]).
</code>
+ <p>If <c>Force = true</c> then the agent will continue attempting
+ to load each mib even after failing to load a previous mib. Use with
+ care. </p>
+
+ <marker id="unload_mib"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name>unload_mib(Mib) -> ok | {error, Reason}</name>
+ <name>unload_mib(Agent, Mib) -> ok | {error, Reason}</name>
+ <fsummary>Unload single MIB from the agent</fsummary>
+ <type>
+ <v>Agent = pid() | atom()</v>
+ <v>MibName = string()</v>
+ <v>Reason = not_loaded | term()</v>
+ </type>
+ <desc>
+ <p>Unload a single <c>Mib</c> from an agent. </p>
<marker id="unload_mibs"></marker>
</desc>
@@ -275,16 +321,25 @@ notification_delivery_info() = #snmpa_notification_delivery_info{}
<func>
<name>unload_mibs(Mibs) -> ok | {error, Reason}</name>
- <name>unload_mibs(Agent,Mibs) -> ok | {error, Reason}</name>
+ <name>unload_mibs(Mibs, Force) -> ok | {error, Reason}</name>
+ <name>unload_mibs(Agent, Mibs) -> ok | {error, Reason}</name>
+ <name>unload_mibs(Agent, Mibs, Force) -> ok | {error, Reason}</name>
<fsummary>Unload MIBs from the agent</fsummary>
<type>
<v>Agent = pid() | atom()</v>
<v>Mibs = [MibName]</v>
+ <v>Force = boolean()</v>
<v>MibName = string()</v>
+ <v>Reason = {'unload aborted at', MibName, InternalReason}</v>
+ <v>InternalReason = not_loaded | term()</v>
</type>
<desc>
- <p>Unloads MIBs into an agent. If it cannot unload all MIBs,
- it will indicate where unloading was aborted. </p>
+ <p>Unload <c>Mibs</c> from an agent. If it cannot unload all MIBs
+ (the default value of the <c>Force</c> argument is <c>false</c>),
+ it will indicate where unloading was aborted. </p>
+ <p>If <c>Force = true</c> then the agent will continue attempting
+ to unload each mib even after failing to unload a previous mib.
+ Use with care. </p>
<marker id="which_mibs"></marker>
</desc>