diff options
Diffstat (limited to 'lib/snmp/doc')
| -rw-r--r-- | lib/snmp/doc/src/notes.xml | 1035 | ||||
| -rw-r--r-- | lib/snmp/doc/src/notes_history.xml | 924 |
2 files changed, 1037 insertions, 922 deletions
diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml index 9e1a060dee..fd5a548b16 100644 --- a/lib/snmp/doc/src/notes.xml +++ b/lib/snmp/doc/src/notes.xml @@ -32,6 +32,120 @@ <file>notes.xml</file> </header> + + <section> + <title>SNMP Development Toolkit 4.21.3</title> + <p>Version 4.21.3 supports code replacement in runtime from/to + version 4.21.2, 4.21.1, 4.21 and 4.20.1. </p> + + <section> + <title>Improvements and new features</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>[compiler] Improved version info printout. </p> + <p>Own Id: OTP-9618</p> + </item> + + </list> + </section> + + <section> + <title>Fixed Bugs and Malfunctions</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>[compiler] Fix the <c>--warnings/--W</c> option parsing in the + <seealso marker="snmpc(command)#option_warnings">snmpc</seealso> + wrapper (e)script. + The short warning option was incorrectly <c>--w</c>, instead + of as documented <c>--W</c>. This has now been corrected. </p> + <p>*** POTENTIAL INCOMPATIBILITY ***</p> + <p>Tuncer Ayaz</p> + <p>Own Id: OTP-9718</p> + </item> + + </list> + + </section> + + + <section> + <title>Incompatibilities</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>[compiler] The short warning option has been changed from + <c>--w</c> to <c>--W</c> to comply with the documentation. </p> + <p>Tuncer Ayaz</p> + <p>Own Id: OTP-9718</p> + </item> + + + </list> + </section> + + </section> <!-- 4.21.3 --> + + + <section> + <title>SNMP Development Toolkit 4.21.2</title> + <p>Version 4.21.2 supports code replacement in runtime from/to + version 4.21.1, 4.21, 4.20.1, 4.20 and 4.19. </p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + +<!-- + <list type="bulleted"> + <item> + <p>Bad note store GC timer deactivation. + Wrong field in the state record was set (timeout instead active). </p> + <p>Stefan Grundmann</p> + <p>Own Id: OTP-9690</p> + </item> + + </list> +--> + + </section> + + <section> + <title>Fixed Bugs and Malfunctions</title> +<!-- + <p>-</p> +--> + + <list type="bulleted"> + <item> + <p>Bad note store GC timer deactivation. + Wrong field in the state record was set (timeout instead active). </p> + <p>Stefan Grundmann</p> + <p>Own Id: OTP-9690</p> + </item> + + </list> + </section> + + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + + </section> <!-- 4.21.2 --> + + <section> <title>SNMP Development Toolkit 4.21.1</title> <p>Version 4.21.1 supports code replacement in runtime from/to @@ -806,927 +920,6 @@ snmp_view_basec_acm_mib:vacmAccessTable(set, RowIndex, Cols). </section> <!-- 4.15 --> - <section> - <title>SNMP Development Toolkit 4.14</title> - - <p>Version 4.14 supports code replacement in runtime from/to - version 4.13.5, 4.13.4, 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - - <list type="bulleted"> - <item> - <p>[compiler] Include object- and notification groups in the - compiled mib. - This will make it possible to import groups from other mibs. </p> - <p>Also the SNMPv2-MIB-file has been updated to a more - up-to-date version. </p> - <p>Own Id: OTP-8223</p> - <!-- <p>Aux Id: Seq 11383</p> --> - </item> - - <item> - <p>[manager] Added support for message filtering in the - network interface module provided with the application. - The component that actually make the filter decisions - is the network interface filter module. This module - must implement the - <seealso marker="snmpm_network_interface_filter">network interface filter behaviour</seealso> - for message filtering. - See also the Configuring chapter of - the User's Guide to see how to configure this feature. </p> - <p>See the - <seealso marker="snmp_app#configuration_params">configuration</seealso> - chapter for more info about the filter options.</p> - <p>Own Id: OTP-8228</p> - <p>Aux Id: Seq 11411</p> - </item> - - <item> - <p>The MIBs delivered as part of the application is now - also available as man pages, section 7. </p> - <p>Own Id: OTP-8237</p> - <!-- <p>Aux Id: Seq 11383</p> --> - </item> - - </list> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <p>-</p> - - <!-- - <list type="bulleted"> - <item> - <p>[agent] The main agent type header file contained some miss-information - regarding the type of the entrytype field of the me-record, causing - unneccessary confusion.</p> - <p>Own Id: OTP-8116</p> - <p>Aux Id: Seq 11312</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.14 --> - - - <section> - <title>SNMP Development Toolkit 4.13.5</title> - - <p>Version 4.13.5 supports code replacement in runtime from/to - version 4.13.4, 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - - <list type="bulleted"> - <item> - <p>[agent] Improved the cache handling of the mib server. </p> - <p>A number of new functions and config options for the mib server - cache has been added. </p> - <p>See - <seealso marker="snmpa#invalidate_mibs_cache">invalidate_mibs_cache/0,1</seealso>, - <seealso marker="snmpa#enable_mibs_cache">enable_mibs_cache/0,1</seealso>, - <seealso marker="snmpa#disable_mibs_cache">disable_mibs_cache/0,1</seealso>, - <seealso marker="snmpa#gc_mibs_cache">gc_mibs_cache/0,1,2,3</seealso>, - <seealso marker="snmpa#enable_mibs_cache_autogc">enable_mibs_cache_autogc/0,1</seealso>, - <seealso marker="snmpa#disable_mibs_cache_autogc">disable_mibs_cache_autogc/0,1</seealso>, - <seealso marker="snmpa#update_mibs_cache_age">update_mibs_cache_age/1,2</seealso> and - <seealso marker="snmpa#update_mibs_cache_gclimit">update_mibs_cache_gclimit/1,2</seealso> for more info. </p> - <p>See also the - <seealso marker="snmp_app#configuration_params">configuration</seealso> - chapter for more info about the mib server cache options.</p> - <p>Own Id: OTP-8182</p> - <p>Aux Id: Seq 11383</p> - </item> - - <item> - <p>[agent] A manager could no longer use the SNMPv3 user "initial" - as this was interpretated as the first step of the discovery. </p> - <p>Introduced a new terminating option, <c>trigger_username</c> to - make it possible to configure the username the agent reacts to. - Default is <c>""</c>. </p> - <p>See the - <seealso marker="snmp_app#configuration_params">configuration</seealso> - chapter for more info about the discovery options.</p> - <p>Own Id: OTP-8120</p> - <p>Aux Id: Seq 11361</p> - </item> - - </list> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] The main agent type header file contained some miss-information - regarding the type of the entrytype field of the me-record, causing - unneccessary confusion.</p> - <p>Own Id: OTP-8116</p> - <p>Aux Id: Seq 11312</p> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13.5 --> - - - <section> - <title>SNMP Development Toolkit 4.13.4</title> - - <p>Version 4.13.4 supports code replacement in runtime from/to - version 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - - <!-- - <list type="bulleted"> - <item> - <p>[agent] Support for the discovery process. </p> - <p>The agent can both initiate discovery itself (see the - <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter - for more info) and respond to discovery initiated by a manager.</p> - <p>Own Id: OTP-7571</p> - <p>Aux Id: Seq 11053</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] Originating discovery problems. </p> - <p>Invalid state variable update during second stage of - discovery causes master agent crash. </p> - <p>Also the net_if process failed to activate socket - ({active, once}) after first discovery response was sent. </p> - <p>Own Id: OTP-8044</p> - <p>Aux Id: Seq 11295</p> - </item> - - <item> - <p>[agent] Terminating discovery problem. </p> - <p>The reply to the second stage request should include a - varbind with <c>usmStatsNotInTimeWindows</c>.</p> - <p>Own Id: OTP-8062</p> - <p>Aux Id: Seq 11318</p> - </item> - - <item> - <p>[agent] Originating discovery improvement. </p> - <p>Added the ExtraInfo argument to the - <seealso marker="snmpa#discovery">discovery</seealso> function. - This argument will be passed on to the stage1_finish callback - function. Also, the - <seealso marker="snmpa#discovery">discovery</seealso> function - will now always return <c>{ok, ManagerEngineID}</c> on successful - discovery. </p> - <p>The <seealso marker="snmpa_discovery_handler">discovery handler</seealso> - behaviour updated accordingly. </p> - <p>Own Id: OTP-8098</p> - <p>Aux Id: Seq 11346</p> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13.4 --> - - - <section> - <title>SNMP Development Toolkit 4.13.3</title> - - <p>Version 4.13.3 supports code replacement in runtime from/to - version 4.13.2, 4.13.1 and 4.13.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - - <!-- - <list type="bulleted"> - <item> - <p>[agent] Support for the discovery process. </p> - <p>The agent can both initiate discovery itself (see the - <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter - for more info) and respond to discovery initiated by a manager.</p> - <p>Own Id: OTP-7571</p> - <p>Aux Id: Seq 11053</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] A request for an oid of type BITS was actually - returned as OCTET STRING. </p> - <p>Values of type BITS are encoded as OCTET STRING, - which makes it impossible for the decoder to know that - they should really be of type BITS. - Instead, this has to be done higher up in the stack, where - there is knowledge of the MIB (assuming that the mib has - been loaded, there is info about the type of the mibentry). </p> - <p>This problem has now been fixed, but requires that the MIB - defining this mib-entry is loaded! </p> - <p>The utility function - <seealso marker="snmpm#oid_to_type">oid_to_type</seealso> - has been added, for debug purpose. </p> - <p>The utility function(s) - <seealso marker="snmp#octet_string_to_bits">octet_string_to_bits</seealso> - and - <seealso marker="snmp#bits_to_octet_string">bits_to_octet_string</seealso> - has also been added. These can be used if the user prefers to - handle the conversion on their own. </p> - <p>Own Id: OTP-8015</p> - <p>Aux Id: Seq 11285</p> - </item> - - <item> - <p>[agent] Fixed some issues with the discovery handling. </p> - <p>Changed the API of the - <seealso marker="snmpa#discovery">discovery</seealso> - function to solve some - of these problems. </p> - <p>Introduced various options for controlling the discovery - process. See the - <seealso marker="snmp_app#configuration_params">configuration</seealso> - chapter for more info about the discovery options.</p> - <p>Own Id: OTP-8020</p> - <p>Aux Id: Seq 11295</p> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13.3 --> - - - <section> - <title>SNMP Development Toolkit 4.13.2</title> - - <p>Version 4.13.2 supports code replacement in runtime from/to - version 4.13.1 and 4.13.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - - <!-- - <list type="bulleted"> - <item> - <p>[agent] Support for the discovery process. </p> - <p>The agent can both initiate discovery itself (see the - <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter - for more info) and respond to discovery initiated by a manager.</p> - <p>Own Id: OTP-7571</p> - <p>Aux Id: Seq 11053</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] Failure during downed user cleanup. - As part of the cleanup after a crashed user, - the manager attempts to unregister the agents - registered by this user. This however failed, - causing a server crash. </p> - <p>Own Id: OTP-7961</p> - <p>Aux Id: Seq 11275</p> - </item> - - <item> - <p>[manager] Incorrectly documented value type for - IpAddress (ip). The value type for IpAddress is - documented as ip but is actually ia. The value type - ip has been added. The old (not documented) value - type ia still works. </p> - <p>Own Id: OTP-7977</p> - <p>Aux Id: Seq 11279</p> - </item> - - <item> - <p>[manager] EngineId lookup fails when using version-3. </p> - <p>Own Id: OTP-7983</p> - <p>Aux Id: Seq 11275</p> - </item> - - <item> - <p>[agent] As of version 4.13 the possible return values - of the function - <seealso marker="snmpa_mpd#process_packet">snmpa_mpd:process_packet/4</seealso> - changed, but this was not documented. </p> - <p>Own Id: OTP-7989</p> - <p>Aux Id: Seq 11275</p> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13.2 --> - - <section> - <title>SNMP Development Toolkit 4.13.1</title> - - <p>Version 4.13.1 supports code replacement in runtime from/to - version 4.13.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - - <!-- - <list type="bulleted"> - <item> - <p>[agent] Support for the discovery process. </p> - <p>The agent can both initiate discovery itself (see the - <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter - for more info) and respond to discovery initiated by a manager.</p> - <p>Own Id: OTP-7571</p> - <p>Aux Id: Seq 11053</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] Registration of users had some issues. </p> - <p>Not all of the registration functions where actually exported - (<seealso marker="snmpm#register_user">register_user/4</seealso> - and - <seealso marker="snmpm#register_user_monitor">register_user_monitor/4</seealso>). - This has now been fixed. </p> - <p>Also, the registration did not succeed unless - user implemented the *new* behaviour. This has now - also been fixed (registration succeeds if the user - implements either the new (i.e. updated - <seealso marker="snmpm_user">snmpm_user</seealso>) - or the old user behaviour (<c>snmpm_user_old</c>)). </p> - <p>Own Id: OTP-7902</p> - <p>Aux Id: Seq 11240</p> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13.1 --> - - <section> - <title>SNMP Development Toolkit 4.13</title> -<!-- - <p>Version 4.13 supports code replacement in runtime from/to - version 4.12.1.</p> ---> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] Support for the discovery process. </p> - <p>The agent can both initiate discovery itself (see the - <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter - for more info) and respond to discovery initiated by a manager.</p> - <p>Own Id: OTP-7571</p> - <p>Aux Id: Seq 11053</p> - </item> - - </list> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] Unnecessary use of math:pow/2 could cause problems - on systems without floating point support. </p> - <p>Per Hedeland</p> - <p>Own Id: OTP-7735</p> - <!-- <p>Aux Id: Seq 10966</p> --> - </item> - - <item> - <p>[manager] A major flaw was discovered with the agent handling. </p> - <p>First, <c>TargetName</c> was never used as intended, as a unique - identifier for the target (agent in this case). </p> - <p>Second, <c>TargetName</c> had a <em>default value</em>, which meant - that several agents could have the same <c>TargetName</c>, causing - unpredictable behaviour in the manager. </p> - <p>Third, <c>EngineID</c> was not a mandatory config option and had - furthermore also a <em>default value</em>. </p> - - <p>These problems has been solved in the following way: </p> - <p>First, a new set of api functions has been introduced (and documented): - <seealso marker="snmpm#register_user">register_user/4</seealso>, - <seealso marker="snmpm#register_user_monitor">register_user_monitor/4</seealso>, - <seealso marker="snmpm#register_agent">register_agent/3</seealso>, - <seealso marker="snmpm#unregister_agent">unregister_agent/2</seealso>, - <seealso marker="snmpm#agent_info">agent_info/2</seealso>, - <seealso marker="snmpm#update_agent_info">update_agent_info/4</seealso>, - <seealso marker="snmpm#sync_get">sync_get/3,4,5,6</seealso>, - <seealso marker="snmpm#async_get">async_get/3,4,5,6</seealso>, - <seealso marker="snmpm#sync_get_next">sync_get_next/3,4,5,6</seealso>, - <seealso marker="snmpm#async_get_next">async_get_next/3,4,5,6</seealso>, - <seealso marker="snmpm#sync_set">sync_set/3,4,5,6</seealso>, - <seealso marker="snmpm#async_set">async_set/3,4,5,6</seealso>, - <seealso marker="snmpm#sync_get_bulk">sync_get_bulk/5,6,7,8</seealso> and - <seealso marker="snmpm#async_get_bulk">async_get_bulk/5,6,7,8</seealso> - that all use <c>TargetName</c> (and not, as previously, <c>Addr</c> - and <c>Port</c>) to identify the agent (also the return value of - <seealso marker="snmpm#which_agents">which_agents</seealso> has - been changed). </p> - <p>Second, for backward compatibility, the old functions still - exist, but are no longer documented and are now wrappers for the - new functions, including erroneous default value for EngineID and - all. The TargetName is however generated from the provided - <c>Addr</c>, <c>Port</c> and <c>Version</c> config options. </p> - <p>Third, the behaviour of the - <seealso marker="snmpm_user">SNMP manager user</seealso> has - been changed to reflect this, i.e. - <seealso marker="snmpm_user#handle_pdu">handle_pdu/4</seealso>, - <seealso marker="snmpm_user#handle_trap">handle_trap/3</seealso>, - <seealso marker="snmpm_user#handle_inform">handle_inform/3</seealso>, - <seealso marker="snmpm_user#handle_report">handle_report/3</seealso> - and the return-value of - <seealso marker="snmpm_user#handle_agent">handle_agent/4</seealso>. - The old (non-documented) callback-functions (using Addr and Port) - will still be called if the agent was registered using the old - registration functions. </p> - - <p>Own Id: OTP-7836</p> - <!-- <p>Aux Id: Seq 10966</p> --> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.13 --> - - <section> - <title>SNMP Development Toolkit 4.12.2</title> - <p>Version 4.12.2 supports code replacement in runtime from/to - version 4.12.1, 4.12, 4.11.2, 4.11.1 and 4.11.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - <!-- - <list type="bulleted"> - <item> - <item> - <p>[agent] Improvement of the inform reporting. - It was previously not certain how many acks an - application received, 0, 1 or 2. This has now been - fixed, so that only 1 (one) ack is issued. </p> - <p>Per Hedeland</p> - <p>Own Id: OTP-7525</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] Bad session cache (usm+camv-info) invalidation - could cause user crash, through call(s) to (a number of) - MIB API function(s) (undefined function). </p> - <p>Own Id: OTP-7868</p> - <!-- <p>Aux Id: Seq 11124</p> --> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.12.2 --> - - <section> - <title>SNMP Development Toolkit 4.12.1</title> - <p>Version 4.12.1 supports code replacement in runtime from/to - version 4.12, 4.11.2, 4.11.1 and 4.11.</p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - <!-- - <list type="bulleted"> - <item> - <item> - <p>[agent] Improvement of the inform reporting. - It was previously not certain how many acks an - application received, 0, 1 or 2. This has now been - fixed, so that only 1 (one) ack is issued. </p> - <p>Per Hedeland</p> - <p>Own Id: OTP-7525</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>Logging of messages with the GetBulk-request PDU - incorrectly produced an erroneous entry in the - log: "An error occurred". </p> - <p>The reason for this was that the PDU-fields - error_status and error_index is re-used for - Non-repeaters and Max-repetitions for - GetBulk-request PDUs, but this was not handled - by the logging code. </p> - <p>Own Id: OTP-7695</p> - <p>Aux Id: Seq 11124</p> - </item> - - <item> - <p>[agent] An attempt to set the row status to active for an - notReady table row, could result in an "inconsistentValue" - error. </p> - <p>The same problem existed when attempting to set row status - to notInService for a row in notReady. </p> - <p>Serge Aleynikov</p> - <p>Own Id: OTP-7698</p> - <!-- <p>Aux Id: Seq 10966</p> --> - </item> - - </list> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.12.1 --> - - <section> - <title>SNMP Development Toolkit 4.12</title> - <p>Version 4.12 supports code replacement in runtime from/to - version 4.11.2, 4.11.1 and 4.11.</p> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] A simple lookup cache has been added to improve - the mib server lookup performance. </p> - <p>This can be disabled with the mib_server - <seealso marker="snmp_app">cache</seealso> option. </p> - <p>Own Id: OTP-7346</p> - </item> - - <item> - <p>[agent] Improvement of the inform reporting. - It was previously not certain how many acks an - application received, 0, 1 or 2. This has now been - fixed, so that only 1 (one) ack is issued. </p> - <p>Per Hedeland</p> - <p>Own Id: OTP-7525</p> - </item> - - </list> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <p>-</p> - <!-- - <list type="bulleted"> - <item> - <p>[manager] Encryption error when attempting to send - version 3 inform-requests. </p> - <p>Own Id: OTP-7432</p> - <p>Aux Id: Seq 10966</p> - </item> - - </list> - --> - - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.12 --> - - <section> - <title>SNMP Development Toolkit 4.11.2</title> - <p>Version 4.11.2 supports code replacement in runtime from/to - version 4.11.1 and 4.11. </p> - - <section> - <title>Improvements and new features</title> - <p>-</p> - <!-- - <list type="bulleted"> - <item> - <p>Added utility functions for transforming DateAndTime - as [int()] to strings; - <seealso marker="snmp#dat2s">date_and_time_to_string/2</seealso> - and - <seealso marker="snmp#dat2s2">date_and_time_to_string2/1</seealso>. </p> - <p>Also added new validation function - <seealso marker="snmp#vdat">validate_date_and_time/2</seealso>. </p> - <p>Own Id: OTP-7412</p> - <p>Aux Id: Seq 10987</p> - </item> - </list> - --> - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] Erroneous engine-id check when receiving version 3 - informs. </p> - <p>Own Id: OTP-7570</p> - <p>Aux Id: Seq 11060</p> - </item> - - <item> - <p>Receiving an snmp message with a very large version - number could cause the erlang node to run out of - memory and consequently crash. </p> - <p>The standard specifies the snmp version as an - (unlimited) INTEGER, but today only - 0 (version 1), 1 (version 2) and 3 (version 3) is - actually used. So, when decoding a message, a limit - has been put on the snmp version integer in order - to not allow this kind of a problem. </p> - <p>Own Id: OTP-7575</p> - <p>Aux Id: Seq 11064</p> - </item> - - </list> - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.11.2 --> - - - <section> - <title>SNMP Development Toolkit 4.11.1</title> - <p>Version 4.11.1 supports code replacement in runtime from/to - version 4.11.</p> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[compiler] The MIB compiler did not retrieve the REFERENCE part - of a SNMP MIB definition. </p> - <p>This problem has been partly solved. For SNMP tables, - the assocList field of the tables mib-entry record now contains - this info (as <c>{reference, string()}</c>), <em>if</em> the - MIB was compiled with the compiler option <em>+reference</em>. </p> - <p>This solution is temporary, until such time as a permanent - solution (and probably not backward compatible) is devised, which - retrieves and stores all REFERENCE part(s) of a MIB. </p> - <p>See the - <seealso marker="snmpc#compiler_opts">compiler options</seealso> - for more info. </p> - - <p>Serge Aleynikov</p> - <p>Own Id: OTP-7426</p> - </item> - - <item> - <p>Added utility functions for transforming DateAndTime - as [int()] to strings; - <seealso marker="snmp#dat2s">date_and_time_to_string/2</seealso> - and - <seealso marker="snmp#dat2s2">date_and_time_to_string2/1</seealso>. </p> - <p>Also added new validation function - <seealso marker="snmp#vdat">validate_date_and_time/2</seealso>. </p> - <p>Own Id: OTP-7412</p> - <p>Aux Id: Seq 10987</p> - </item> - - </list> - - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] Encryption error when attempting to send - version 3 inform-requests. </p> - <p>Own Id: OTP-7432</p> - <p>Aux Id: Seq 10966</p> - </item> - - </list> - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.11.1 --> - - <section> - <title>SNMP Development Toolkit 4.11</title> - <p>Version 4.11 supports code replacement in runtime from/to - version 4.10.3, 4.10.2, 4.10.1 and 4.10.</p> - - <section> - <title>Improvements and new features</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[agent] Performance improvements in the case when an SNMP - manager performs an snmpwalk. </p> - <p>Martin Björklund</p> - <p>Own Id: OTP-7201</p> - </item> - - <item> - <p>The API for sending inform(s) has been improved. Also - the documentation has been corrected and updated. See - <seealso marker="snmpa#send_notification">snmpa:send_notification</seealso> and - <seealso marker="snmpa_notification_delivery_info_receiver">snmpa_notification_delivery_info_receiver</seealso> - for more info.</p> - <p>Own Id: OTP-7287</p> - <p>Aux Id: Seq 10926</p> - </item> - - <item> - <p>[agent] Performance of the internal database (local-db) - has been improved.</p> - <p>Own Id: OTP-7319</p> - <p>Aux Id: Seq 10942</p> - </item> - - <item> - <p>[agent] Added utility functions, - <seealso marker="snmpa#restart_worker">snmpa:restart_worker/0,1</seealso> and - <seealso marker="snmpa#restart_set_worker">snmpa:restart_set_worker/0,1</seealso>, - for restarting the agent worker processes (in case the agent is - multi-threaded).</p> - <p>Own Id: OTP-7369</p> - </item> - - <item> - <p>Add utility function to - <seealso marker="snmp#read_mib">read</seealso> - a compiled mib. </p> - <p>Own Id: OTP-7371</p> - </item> - - </list> - </section> - - <section> - <title>Reported Fixed Bugs and Malfunctions</title> - <!-- - <p>-</p> - --> - <list type="bulleted"> - <item> - <p>[manager] Encryption error when attempting to send - version 3 inform-requests. </p> - <p>Own Id: OTP-7377</p> - <p>Aux Id: Seq 10966</p> - </item> - - </list> - </section> - - <section> - <title>Incompatibilities</title> - <p>-</p> - </section> - </section> <!-- 4.11 --> - <!-- section> <title>Release notes history</title> <p>For information about older versions see diff --git a/lib/snmp/doc/src/notes_history.xml b/lib/snmp/doc/src/notes_history.xml index 934df87866..722d02afbd 100644 --- a/lib/snmp/doc/src/notes_history.xml +++ b/lib/snmp/doc/src/notes_history.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> @@ -33,6 +33,928 @@ </header> <section> + <title>SNMP Development Toolkit 4.14</title> + + <p>Version 4.14 supports code replacement in runtime from/to + version 4.13.5, 4.13.4, 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + + <list type="bulleted"> + <item> + <p>[compiler] Include object- and notification groups in the + compiled mib. + This will make it possible to import groups from other mibs. </p> + <p>Also the SNMPv2-MIB-file has been updated to a more + up-to-date version. </p> + <p>Own Id: OTP-8223</p> + <!-- <p>Aux Id: Seq 11383</p> --> + </item> + + <item> + <p>[manager] Added support for message filtering in the + network interface module provided with the application. + The component that actually make the filter decisions + is the network interface filter module. This module + must implement the + <seealso marker="snmpm_network_interface_filter">network interface filter behaviour</seealso> + for message filtering. + See also the Configuring chapter of + the User's Guide to see how to configure this feature. </p> + <p>See the + <seealso marker="snmp_app#configuration_params">configuration</seealso> + chapter for more info about the filter options.</p> + <p>Own Id: OTP-8228</p> + <p>Aux Id: Seq 11411</p> + </item> + + <item> + <p>The MIBs delivered as part of the application is now + also available as man pages, section 7. </p> + <p>Own Id: OTP-8237</p> + <!-- <p>Aux Id: Seq 11383</p> --> + </item> + + </list> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>[agent] The main agent type header file contained some miss-information + regarding the type of the entrytype field of the me-record, causing + unneccessary confusion.</p> + <p>Own Id: OTP-8116</p> + <p>Aux Id: Seq 11312</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.14 --> + + + <section> + <title>SNMP Development Toolkit 4.13.5</title> + + <p>Version 4.13.5 supports code replacement in runtime from/to + version 4.13.4, 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + + <list type="bulleted"> + <item> + <p>[agent] Improved the cache handling of the mib server. </p> + <p>A number of new functions and config options for the mib server + cache has been added. </p> + <p>See + <seealso marker="snmpa#invalidate_mibs_cache">invalidate_mibs_cache/0,1</seealso>, + <seealso marker="snmpa#enable_mibs_cache">enable_mibs_cache/0,1</seealso>, + <seealso marker="snmpa#disable_mibs_cache">disable_mibs_cache/0,1</seealso>, + <seealso marker="snmpa#gc_mibs_cache">gc_mibs_cache/0,1,2,3</seealso>, + <seealso marker="snmpa#enable_mibs_cache_autogc">enable_mibs_cache_autogc/0,1</seealso>, + <seealso marker="snmpa#disable_mibs_cache_autogc">disable_mibs_cache_autogc/0,1</seealso>, + <seealso marker="snmpa#update_mibs_cache_age">update_mibs_cache_age/1,2</seealso> and + <seealso marker="snmpa#update_mibs_cache_gclimit">update_mibs_cache_gclimit/1,2</seealso> for more info. </p> + <p>See also the + <seealso marker="snmp_app#configuration_params">configuration</seealso> + chapter for more info about the mib server cache options.</p> + <p>Own Id: OTP-8182</p> + <p>Aux Id: Seq 11383</p> + </item> + + <item> + <p>[agent] A manager could no longer use the SNMPv3 user "initial" + as this was interpretated as the first step of the discovery. </p> + <p>Introduced a new terminating option, <c>trigger_username</c> to + make it possible to configure the username the agent reacts to. + Default is <c>""</c>. </p> + <p>See the + <seealso marker="snmp_app#configuration_params">configuration</seealso> + chapter for more info about the discovery options.</p> + <p>Own Id: OTP-8120</p> + <p>Aux Id: Seq 11361</p> + </item> + + </list> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] The main agent type header file contained some miss-information + regarding the type of the entrytype field of the me-record, causing + unneccessary confusion.</p> + <p>Own Id: OTP-8116</p> + <p>Aux Id: Seq 11312</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13.5 --> + + + <section> + <title>SNMP Development Toolkit 4.13.4</title> + + <p>Version 4.13.4 supports code replacement in runtime from/to + version 4.13.3, 4.13.2, 4.13.1 and 4.13.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>[agent] Support for the discovery process. </p> + <p>The agent can both initiate discovery itself (see the + <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter + for more info) and respond to discovery initiated by a manager.</p> + <p>Own Id: OTP-7571</p> + <p>Aux Id: Seq 11053</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] Originating discovery problems. </p> + <p>Invalid state variable update during second stage of + discovery causes master agent crash. </p> + <p>Also the net_if process failed to activate socket + ({active, once}) after first discovery response was sent. </p> + <p>Own Id: OTP-8044</p> + <p>Aux Id: Seq 11295</p> + </item> + + <item> + <p>[agent] Terminating discovery problem. </p> + <p>The reply to the second stage request should include a + varbind with <c>usmStatsNotInTimeWindows</c>.</p> + <p>Own Id: OTP-8062</p> + <p>Aux Id: Seq 11318</p> + </item> + + <item> + <p>[agent] Originating discovery improvement. </p> + <p>Added the ExtraInfo argument to the + <seealso marker="snmpa#discovery">discovery</seealso> function. + This argument will be passed on to the stage1_finish callback + function. Also, the + <seealso marker="snmpa#discovery">discovery</seealso> function + will now always return <c>{ok, ManagerEngineID}</c> on successful + discovery. </p> + <p>The <seealso marker="snmpa_discovery_handler">discovery handler</seealso> + behaviour updated accordingly. </p> + <p>Own Id: OTP-8098</p> + <p>Aux Id: Seq 11346</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13.4 --> + + + <section> + <title>SNMP Development Toolkit 4.13.3</title> + + <p>Version 4.13.3 supports code replacement in runtime from/to + version 4.13.2, 4.13.1 and 4.13.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>[agent] Support for the discovery process. </p> + <p>The agent can both initiate discovery itself (see the + <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter + for more info) and respond to discovery initiated by a manager.</p> + <p>Own Id: OTP-7571</p> + <p>Aux Id: Seq 11053</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] A request for an oid of type BITS was actually + returned as OCTET STRING. </p> + <p>Values of type BITS are encoded as OCTET STRING, + which makes it impossible for the decoder to know that + they should really be of type BITS. + Instead, this has to be done higher up in the stack, where + there is knowledge of the MIB (assuming that the mib has + been loaded, there is info about the type of the mibentry). </p> + <p>This problem has now been fixed, but requires that the MIB + defining this mib-entry is loaded! </p> + <p>The utility function + <seealso marker="snmpm#oid_to_type">oid_to_type</seealso> + has been added, for debug purpose. </p> + <p>The utility function(s) + <seealso marker="snmp#octet_string_to_bits">octet_string_to_bits</seealso> + and + <seealso marker="snmp#bits_to_octet_string">bits_to_octet_string</seealso> + has also been added. These can be used if the user prefers to + handle the conversion on their own. </p> + <p>Own Id: OTP-8015</p> + <p>Aux Id: Seq 11285</p> + </item> + + <item> + <p>[agent] Fixed some issues with the discovery handling. </p> + <p>Changed the API of the + <seealso marker="snmpa#discovery">discovery</seealso> + function to solve some + of these problems. </p> + <p>Introduced various options for controlling the discovery + process. See the + <seealso marker="snmp_app#configuration_params">configuration</seealso> + chapter for more info about the discovery options.</p> + <p>Own Id: OTP-8020</p> + <p>Aux Id: Seq 11295</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13.3 --> + + + <section> + <title>SNMP Development Toolkit 4.13.2</title> + + <p>Version 4.13.2 supports code replacement in runtime from/to + version 4.13.1 and 4.13.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>[agent] Support for the discovery process. </p> + <p>The agent can both initiate discovery itself (see the + <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter + for more info) and respond to discovery initiated by a manager.</p> + <p>Own Id: OTP-7571</p> + <p>Aux Id: Seq 11053</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] Failure during downed user cleanup. + As part of the cleanup after a crashed user, + the manager attempts to unregister the agents + registered by this user. This however failed, + causing a server crash. </p> + <p>Own Id: OTP-7961</p> + <p>Aux Id: Seq 11275</p> + </item> + + <item> + <p>[manager] Incorrectly documented value type for + IpAddress (ip). The value type for IpAddress is + documented as ip but is actually ia. The value type + ip has been added. The old (not documented) value + type ia still works. </p> + <p>Own Id: OTP-7977</p> + <p>Aux Id: Seq 11279</p> + </item> + + <item> + <p>[manager] EngineId lookup fails when using version-3. </p> + <p>Own Id: OTP-7983</p> + <p>Aux Id: Seq 11275</p> + </item> + + <item> + <p>[agent] As of version 4.13 the possible return values + of the function + <seealso marker="snmpa_mpd#process_packet">snmpa_mpd:process_packet/4</seealso> + changed, but this was not documented. </p> + <p>Own Id: OTP-7989</p> + <p>Aux Id: Seq 11275</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13.2 --> + + <section> + <title>SNMP Development Toolkit 4.13.1</title> + + <p>Version 4.13.1 supports code replacement in runtime from/to + version 4.13.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + + <!-- + <list type="bulleted"> + <item> + <p>[agent] Support for the discovery process. </p> + <p>The agent can both initiate discovery itself (see the + <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter + for more info) and respond to discovery initiated by a manager.</p> + <p>Own Id: OTP-7571</p> + <p>Aux Id: Seq 11053</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] Registration of users had some issues. </p> + <p>Not all of the registration functions where actually exported + (<seealso marker="snmpm#register_user">register_user/4</seealso> + and + <seealso marker="snmpm#register_user_monitor">register_user_monitor/4</seealso>). + This has now been fixed. </p> + <p>Also, the registration did not succeed unless + user implemented the *new* behaviour. This has now + also been fixed (registration succeeds if the user + implements either the new (i.e. updated + <seealso marker="snmpm_user">snmpm_user</seealso>) + or the old user behaviour (<c>snmpm_user_old</c>)). </p> + <p>Own Id: OTP-7902</p> + <p>Aux Id: Seq 11240</p> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13.1 --> + + <section> + <title>SNMP Development Toolkit 4.13</title> +<!-- + <p>Version 4.13 supports code replacement in runtime from/to + version 4.12.1.</p> +--> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] Support for the discovery process. </p> + <p>The agent can both initiate discovery itself (see the + <seealso marker="snmp_agent_funct_descr#discovery">discovery</seealso> chapter + for more info) and respond to discovery initiated by a manager.</p> + <p>Own Id: OTP-7571</p> + <p>Aux Id: Seq 11053</p> + </item> + + </list> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] Unnecessary use of math:pow/2 could cause problems + on systems without floating point support. </p> + <p>Per Hedeland</p> + <p>Own Id: OTP-7735</p> + <!-- <p>Aux Id: Seq 10966</p> --> + </item> + + <item> + <p>[manager] A major flaw was discovered with the agent handling. </p> + <p>First, <c>TargetName</c> was never used as intended, as a unique + identifier for the target (agent in this case). </p> + <p>Second, <c>TargetName</c> had a <em>default value</em>, which meant + that several agents could have the same <c>TargetName</c>, causing + unpredictable behaviour in the manager. </p> + <p>Third, <c>EngineID</c> was not a mandatory config option and had + furthermore also a <em>default value</em>. </p> + + <p>These problems has been solved in the following way: </p> + <p>First, a new set of api functions has been introduced (and documented): + <seealso marker="snmpm#register_user">register_user/4</seealso>, + <seealso marker="snmpm#register_user_monitor">register_user_monitor/4</seealso>, + <seealso marker="snmpm#register_agent">register_agent/3</seealso>, + <seealso marker="snmpm#unregister_agent">unregister_agent/2</seealso>, + <seealso marker="snmpm#agent_info">agent_info/2</seealso>, + <seealso marker="snmpm#update_agent_info">update_agent_info/4</seealso>, + <seealso marker="snmpm#sync_get">sync_get/3,4,5,6</seealso>, + <seealso marker="snmpm#async_get">async_get/3,4,5,6</seealso>, + <seealso marker="snmpm#sync_get_next">sync_get_next/3,4,5,6</seealso>, + <seealso marker="snmpm#async_get_next">async_get_next/3,4,5,6</seealso>, + <seealso marker="snmpm#sync_set">sync_set/3,4,5,6</seealso>, + <seealso marker="snmpm#async_set">async_set/3,4,5,6</seealso>, + <seealso marker="snmpm#sync_get_bulk">sync_get_bulk/5,6,7,8</seealso> and + <seealso marker="snmpm#async_get_bulk">async_get_bulk/5,6,7,8</seealso> + that all use <c>TargetName</c> (and not, as previously, <c>Addr</c> + and <c>Port</c>) to identify the agent (also the return value of + <seealso marker="snmpm#which_agents">which_agents</seealso> has + been changed). </p> + <p>Second, for backward compatibility, the old functions still + exist, but are no longer documented and are now wrappers for the + new functions, including erroneous default value for EngineID and + all. The TargetName is however generated from the provided + <c>Addr</c>, <c>Port</c> and <c>Version</c> config options. </p> + <p>Third, the behaviour of the + <seealso marker="snmpm_user">SNMP manager user</seealso> has + been changed to reflect this, i.e. + <seealso marker="snmpm_user#handle_pdu">handle_pdu/4</seealso>, + <seealso marker="snmpm_user#handle_trap">handle_trap/3</seealso>, + <seealso marker="snmpm_user#handle_inform">handle_inform/3</seealso>, + <seealso marker="snmpm_user#handle_report">handle_report/3</seealso> + and the return-value of + <seealso marker="snmpm_user#handle_agent">handle_agent/4</seealso>. + The old (non-documented) callback-functions (using Addr and Port) + will still be called if the agent was registered using the old + registration functions. </p> + + <p>Own Id: OTP-7836</p> + <!-- <p>Aux Id: Seq 10966</p> --> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.13 --> + + <section> + <title>SNMP Development Toolkit 4.12.2</title> + <p>Version 4.12.2 supports code replacement in runtime from/to + version 4.12.1, 4.12, 4.11.2, 4.11.1 and 4.11.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + <!-- + <list type="bulleted"> + <item> + <item> + <p>[agent] Improvement of the inform reporting. + It was previously not certain how many acks an + application received, 0, 1 or 2. This has now been + fixed, so that only 1 (one) ack is issued. </p> + <p>Per Hedeland</p> + <p>Own Id: OTP-7525</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] Bad session cache (usm+camv-info) invalidation + could cause user crash, through call(s) to (a number of) + MIB API function(s) (undefined function). </p> + <p>Own Id: OTP-7868</p> + <!-- <p>Aux Id: Seq 11124</p> --> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.12.2 --> + + <section> + <title>SNMP Development Toolkit 4.12.1</title> + <p>Version 4.12.1 supports code replacement in runtime from/to + version 4.12, 4.11.2, 4.11.1 and 4.11.</p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + <!-- + <list type="bulleted"> + <item> + <item> + <p>[agent] Improvement of the inform reporting. + It was previously not certain how many acks an + application received, 0, 1 or 2. This has now been + fixed, so that only 1 (one) ack is issued. </p> + <p>Per Hedeland</p> + <p>Own Id: OTP-7525</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>Logging of messages with the GetBulk-request PDU + incorrectly produced an erroneous entry in the + log: "An error occurred". </p> + <p>The reason for this was that the PDU-fields + error_status and error_index is re-used for + Non-repeaters and Max-repetitions for + GetBulk-request PDUs, but this was not handled + by the logging code. </p> + <p>Own Id: OTP-7695</p> + <p>Aux Id: Seq 11124</p> + </item> + + <item> + <p>[agent] An attempt to set the row status to active for an + notReady table row, could result in an "inconsistentValue" + error. </p> + <p>The same problem existed when attempting to set row status + to notInService for a row in notReady. </p> + <p>Serge Aleynikov</p> + <p>Own Id: OTP-7698</p> + <!-- <p>Aux Id: Seq 10966</p> --> + </item> + + </list> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.12.1 --> + + <section> + <title>SNMP Development Toolkit 4.12</title> + <p>Version 4.12 supports code replacement in runtime from/to + version 4.11.2, 4.11.1 and 4.11.</p> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] A simple lookup cache has been added to improve + the mib server lookup performance. </p> + <p>This can be disabled with the mib_server + <seealso marker="snmp_app">cache</seealso> option. </p> + <p>Own Id: OTP-7346</p> + </item> + + <item> + <p>[agent] Improvement of the inform reporting. + It was previously not certain how many acks an + application received, 0, 1 or 2. This has now been + fixed, so that only 1 (one) ack is issued. </p> + <p>Per Hedeland</p> + <p>Own Id: OTP-7525</p> + </item> + + </list> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <p>-</p> + <!-- + <list type="bulleted"> + <item> + <p>[manager] Encryption error when attempting to send + version 3 inform-requests. </p> + <p>Own Id: OTP-7432</p> + <p>Aux Id: Seq 10966</p> + </item> + + </list> + --> + + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.12 --> + + <section> + <title>SNMP Development Toolkit 4.11.2</title> + <p>Version 4.11.2 supports code replacement in runtime from/to + version 4.11.1 and 4.11. </p> + + <section> + <title>Improvements and new features</title> + <p>-</p> + <!-- + <list type="bulleted"> + <item> + <p>Added utility functions for transforming DateAndTime + as [int()] to strings; + <seealso marker="snmp#dat2s">date_and_time_to_string/2</seealso> + and + <seealso marker="snmp#dat2s2">date_and_time_to_string2/1</seealso>. </p> + <p>Also added new validation function + <seealso marker="snmp#vdat">validate_date_and_time/2</seealso>. </p> + <p>Own Id: OTP-7412</p> + <p>Aux Id: Seq 10987</p> + </item> + </list> + --> + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] Erroneous engine-id check when receiving version 3 + informs. </p> + <p>Own Id: OTP-7570</p> + <p>Aux Id: Seq 11060</p> + </item> + + <item> + <p>Receiving an snmp message with a very large version + number could cause the erlang node to run out of + memory and consequently crash. </p> + <p>The standard specifies the snmp version as an + (unlimited) INTEGER, but today only + 0 (version 1), 1 (version 2) and 3 (version 3) is + actually used. So, when decoding a message, a limit + has been put on the snmp version integer in order + to not allow this kind of a problem. </p> + <p>Own Id: OTP-7575</p> + <p>Aux Id: Seq 11064</p> + </item> + + </list> + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.11.2 --> + + + <section> + <title>SNMP Development Toolkit 4.11.1</title> + <p>Version 4.11.1 supports code replacement in runtime from/to + version 4.11.</p> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[compiler] The MIB compiler did not retrieve the REFERENCE part + of a SNMP MIB definition. </p> + <p>This problem has been partly solved. For SNMP tables, + the assocList field of the tables mib-entry record now contains + this info (as <c>{reference, string()}</c>), <em>if</em> the + MIB was compiled with the compiler option <em>+reference</em>. </p> + <p>This solution is temporary, until such time as a permanent + solution (and probably not backward compatible) is devised, which + retrieves and stores all REFERENCE part(s) of a MIB. </p> + <p>See the + <seealso marker="snmpc#compiler_opts">compiler options</seealso> + for more info. </p> + + <p>Serge Aleynikov</p> + <p>Own Id: OTP-7426</p> + </item> + + <item> + <p>Added utility functions for transforming DateAndTime + as [int()] to strings; + <seealso marker="snmp#dat2s">date_and_time_to_string/2</seealso> + and + <seealso marker="snmp#dat2s2">date_and_time_to_string2/1</seealso>. </p> + <p>Also added new validation function + <seealso marker="snmp#vdat">validate_date_and_time/2</seealso>. </p> + <p>Own Id: OTP-7412</p> + <p>Aux Id: Seq 10987</p> + </item> + + </list> + + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] Encryption error when attempting to send + version 3 inform-requests. </p> + <p>Own Id: OTP-7432</p> + <p>Aux Id: Seq 10966</p> + </item> + + </list> + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.11.1 --> + + <section> + <title>SNMP Development Toolkit 4.11</title> + <p>Version 4.11 supports code replacement in runtime from/to + version 4.10.3, 4.10.2, 4.10.1 and 4.10.</p> + + <section> + <title>Improvements and new features</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[agent] Performance improvements in the case when an SNMP + manager performs an snmpwalk. </p> + <p>Martin Björklund</p> + <p>Own Id: OTP-7201</p> + </item> + + <item> + <p>The API for sending inform(s) has been improved. Also + the documentation has been corrected and updated. See + <seealso marker="snmpa#send_notification">snmpa:send_notification</seealso> and + <seealso marker="snmpa_notification_delivery_info_receiver">snmpa_notification_delivery_info_receiver</seealso> + for more info.</p> + <p>Own Id: OTP-7287</p> + <p>Aux Id: Seq 10926</p> + </item> + + <item> + <p>[agent] Performance of the internal database (local-db) + has been improved.</p> + <p>Own Id: OTP-7319</p> + <p>Aux Id: Seq 10942</p> + </item> + + <item> + <p>[agent] Added utility functions, + <seealso marker="snmpa#restart_worker">snmpa:restart_worker/0,1</seealso> and + <seealso marker="snmpa#restart_set_worker">snmpa:restart_set_worker/0,1</seealso>, + for restarting the agent worker processes (in case the agent is + multi-threaded).</p> + <p>Own Id: OTP-7369</p> + </item> + + <item> + <p>Add utility function to + <seealso marker="snmp#read_mib">read</seealso> + a compiled mib. </p> + <p>Own Id: OTP-7371</p> + </item> + + </list> + </section> + + <section> + <title>Reported Fixed Bugs and Malfunctions</title> + <!-- + <p>-</p> + --> + <list type="bulleted"> + <item> + <p>[manager] Encryption error when attempting to send + version 3 inform-requests. </p> + <p>Own Id: OTP-7377</p> + <p>Aux Id: Seq 10966</p> + </item> + + </list> + </section> + + <section> + <title>Incompatibilities</title> + <p>-</p> + </section> + </section> <!-- 4.11 --> + + + <section> <title>SNMP Development Toolkit 4.10.3</title> <p>Version 4.10.3 supports code replacement in runtime from/to version 4.10.2, 4.10.1 and 4.10.</p> |