File 2859-snmp-Types-and-specs-for-snmp_generic-tabl... of Package erlang

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File 2859-snmp-Types-and-specs-for-snmp_generic-table_func-2-4.patch of Package erlang

From f83c825304dbcf32f33f93717fa674d278d805da Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Fri, 12 Jan 2024 19:33:16 +0100
Subject: [PATCH 39/67] [snmp] Types and specs for snmp_generic:table_func/2,4

---
 lib/snmp/doc/src/snmp.xml           | 20 ++++++++++++++
 lib/snmp/doc/src/snmp_generic.xml   | 41 +++++++++++++++++------------
 lib/snmp/src/agent/snmp_generic.erl | 22 +++++++++++++---
 lib/snmp/src/app/snmp.erl           | 11 +++-----
 4 files changed, 67 insertions(+), 27 deletions(-)

diff --git a/lib/snmp/doc/src/snmp.xml b/lib/snmp/doc/src/snmp.xml
index 041951d22e..d46f974e4b 100644
--- a/lib/snmp/doc/src/snmp.xml
+++ b/lib/snmp/doc/src/snmp.xml
@@ -40,6 +40,26 @@
 </description>
 
 <datatypes>
+ <datatype>
+ <name name="oid"/>
+ <desc>
+	
+	 Represent an ASN.1 OBJECT IDENTIFIER.
+	
+ </desc>
+ </datatype>
+
+ <datatype>
+ <name name="row_index"/>
+ <desc>
+	
+	 Denotes the last part of the OID which specifies the index of the
+	 row in the table (see RFC1212, 4.1.6 for more information about
+	 INDEX).
+	
+ </desc>
+ </datatype>
+
 <datatype>
 <name name="bits"/>
 <desc>
diff --git a/lib/snmp/doc/src/snmp_generic.xml b/lib/snmp/doc/src/snmp_generic.xml
index 8d93521f9e..7420d4d991 100644
--- a/lib/snmp/doc/src/snmp_generic.xml
+++ b/lib/snmp/doc/src/snmp_generic.xml
@@ -374,30 +374,39 @@ value() = term()
 	retrieve a given part of the table info.
 	
 	<marker id="table_func"></marker>
+	<marker id="table_func2"></marker>
 </desc>
 </func>
 
 <func>
- <name since="">table_func(Op1, NameDb)</name>
- <name since="">table_func(Op2, RowIndex, Cols, NameDb) -> Ret</name>
+ <name name="table_func" arity="2" clause_i="1" since=""/>
 <fsummary>Default instrumentation function for tables</fsummary>
- <type>
- <v>Op1 = new | delete </v>
- <v>Op2 = get | next | is_set_ok | set | undo</v>
- <v>NameDb = name_db()</v>
- <v>RowIndex = row_index()</v>
- <v>Cols = columns()</v>
- <v>Ret = term()</v>
- </type>
 <desc>
- This is the default instrumentation function for tables.
- 
+ This is the default instrumentation function for tables. 
 <list type="bulleted">
 <item>The <c>new</c> function creates the table if it does
 not exist, but only if the database is the SNMP internal db.</item>
 <item>The <c>delete</c> function does not delete the table
 from the database since unloading an MIB does not
 necessarily mean that the table should be destroyed.</item>
+ </list>
+ If it is possible for a manager to create or delete rows in
+	the table, there must be a <c>RowStatus</c> column for
+	<c>is_set_ok</c>, <c>set</c> and <c>undo</c> to work properly.
+	
+ The function returns according to the specification of an
+	instrumentation function. 
+	
+	<marker id="table_func4"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name name="table_func" arity="4" clause_i="1" since=""/>
+ <fsummary>Default instrumentation function for tables</fsummary>
+ <desc>
+ This is the default instrumentation function for tables. 
+ <list type="bulleted">
 <item>The <c>is_set_ok</c> function checks that a row which
 is to be modified or deleted exists, and that a row which
 is to be created does not exist.</item>
@@ -411,12 +420,10 @@ value() = term()
 handled within a transaction.</item>
 </list>
 If it is possible for a manager to create or delete rows in
- the table, there must be a <c>RowStatus</c> column for
- <c>is_set_ok</c>, <c>set</c> and <c>undo</c> to work properly.
- 
+	the table, there must be a <c>RowStatus</c> column for
+	<c>is_set_ok</c>, <c>set</c> and <c>undo</c> to work properly. 
 The function returns according to the specification of an
- instrumentation function.
- 
+	instrumentation function. 
 	
 	<marker id="table_get_elements"></marker>
 </desc>
diff --git a/lib/snmp/src/agent/snmp_generic.erl b/lib/snmp/src/agent/snmp_generic.erl
index ed2c3db5e9..188eca0ae2 100644
--- a/lib/snmp/src/agent/snmp_generic.erl
+++ b/lib/snmp/src/agent/snmp_generic.erl
@@ -53,7 +53,7 @@
 -endif.
 
 
--type column() :: integer().
+-type column() :: pos_integer().
 -type columns() :: [column()] | [{column(), Value :: term()}].
 -type table_info_item() :: nbr_of_cols |
 defvals |
@@ -195,6 +195,7 @@ variable_func(set, Val, NameDb) ->
 variable_func(undo, _Val, _NameDb) ->
 noError.
 
+
 %%------------------------------------------------------------------
 %% Tables
 %% Assumes the RowStatus is the last column in the
@@ -209,18 +210,33 @@ variable_func(undo, _Val, _NameDb) ->
 %%------------------------------------------------------------------
 %% Each database implements its own table_func
 %%------------------------------------------------------------------
+
+-spec table_func(Op, NameDb) -> Return when
+ Op :: new | delete,
+ NameDb :: snmpa:name_db(),
+ Return :: term().
+
 table_func(Op, {Name, mnesia}) ->
 snmp_generic_mnesia:table_func(Op, Name);
 
 table_func(Op, NameDb) ->
 snmpa_local_db:table_func(Op, NameDb).
 
+
+-spec table_func(Op, RowIndex, Cols, NameDb) -> Return when
+ Op :: get | next | is_set_ok | set | undo,
+ RowIndex :: snmp:row_index(),
+ Cols :: columns(),
+ NameDb :: snmpa:name_db(),
+ Return :: term().
+
 table_func(Op, RowIndex, Cols, {Name, mnesia}) ->
 snmp_generic_mnesia:table_func(Op, RowIndex, Cols, Name);
 
 table_func(Op, RowIndex, Cols, NameDb) ->
 snmpa_local_db:table_func(Op, RowIndex, Cols, NameDb).
 
+
 %%----------------------------------------------------------------------
 %% DB independent.
 %%----------------------------------------------------------------------
@@ -238,8 +254,8 @@ validate_get([_Col | Cols], [Res | Ress]) ->
 NewVal = 
 	case Res of
 	 noinit -> {noValue, unSpecified};
-	 noacc -> {noAccess, unSpecified};
-	 Val -> {value, Val}
+	 noacc -> {noAccess, unSpecified};
+	 Val -> {value, Val}
 	end,
 [NewVal | validate_get(Cols, Ress)];
 validate_get([], []) -> [].
diff --git a/lib/snmp/src/app/snmp.erl b/lib/snmp/src/app/snmp.erl
index 5d8757863b..000f99e2aa 100644
--- a/lib/snmp/src/app/snmp.erl
+++ b/lib/snmp/src/app/snmp.erl
@@ -85,6 +85,7 @@
 	 sec_level/0, 
 
 	 oid/0,
+	 row_index/0,
 	 varbind/0, 
 	 ivarbind/0, 
 	 asn1_type/0, 
@@ -106,12 +107,6 @@
 	 ]).
 
 
-%% This is for XREF
-%% -deprecated(
-%% [
-%% ]).
- 
-
 -define(APPLICATION, snmp).
 -define(ATL_BLOCK_DEFAULT, true).
 
@@ -138,6 +133,9 @@
 -type bits() :: integer().
 -type octet() :: 0..255.
 -type octet_string() :: [octet()].
+-type oid() :: [non_neg_integer()].
+-type row_index() :: oid().
+
 -type rfc1903_date_and_time() :: octet_string().
 
 -type date_and_time_validator_kind() :: year | month | day |
@@ -163,7 +161,6 @@
 -type sec_name() :: snmp_community_mib:security_name().
 -type sec_level() :: noAuthNoPriv | authNoPriv | authPriv.
 
--type oid() :: [non_neg_integer()].
 -type varbind() :: #varbind{}.
 -type ivarbind() :: #ivarbind{}.
 -type asn1_type() :: #asn1_type{}.
-- 
2.35.3

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File 2859-snmp-Types-and-specs-for-snmp_generic-table_func-2-4.patch of Package erlang

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