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File 2017-megaco-Types-and-spec-for-megaco-conn_info-1-2.patch of Package erlang (Revision a95c38533dd94a5c195230b3b146d029)

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From 8bbe712cf66046cfb706435dce29949a9d893cd3 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Thu, 21 Dec 2023 17:40:50 +0100
Subject: [PATCH 07/46] [megaco] Types and spec for megaco:conn_info/1,2

OTP-18920
---
 lib/megaco/doc/src/megaco.xml | 97 ++++++++++++++++++++++++++++++-----
 lib/megaco/src/app/megaco.erl | 73 ++++++++++++++++++++++++--
 2 files changed, 154 insertions(+), 16 deletions(-)

diff --git a/lib/megaco/doc/src/megaco.xml b/lib/megaco/doc/src/megaco.xml
index ea9e704852..e6437c49d1 100644
--- a/lib/megaco/doc/src/megaco.xml
+++ b/lib/megaco/doc/src/megaco.xml
@@ -158,6 +158,28 @@
 -->
 </datatype>
 
+ <datatype>
+ <name name="transaction_id"/>
+ 
+ </datatype>
+
+ <datatype>
+ <name name="conn_info_item"/>
+ <desc>
+	
+	 This type is a basic (atom) lookup key
+	 (for info on an active connection).
+	 The corresponding value can be of any type.
+	
+ </desc>
+ </datatype>
+
 <datatype>
 <name name="send_handle"/>
 <desc>
@@ -849,25 +871,21 @@ megaco_incr_timer() = #megaco_incr_timer{}
 about which items and values that are valid.
 
 <marker id="conn_info"></marker>
+ <marker id="conn_info_11"></marker>
+ <marker id="conn_info_24"></marker>
 </desc>
 </func>
 
 <func>
- <name since="">conn_info(ConnHandle) -> [{Item, Value}]</name>
- <name since="">conn_info(ConnHandle, Item) -> Value | exit(Reason)</name>
+ <name name="conn_info" arity="1" clause_i="1" since=""/>
+ <name name="conn_info" arity="2" clause_i="4" since=""/>
 <fsummary>Lookup information about an active connection</fsummary>
- <type>
- <v>ConnHandle = #megaco_conn_handle{}</v>
- <v>Item = conn_info_item()</v>
- <v>Value = conn_info_value()</v>
- <v>Reason = {no_such_connection, ConnHandle} | term()</v>
- </type>
 <desc>
 Lookup information about an active connection
 Requires that the connection is active.
- <marker id="ci_control_pid"></marker>
- <taglist>
 
+	<marker id="ci_control_pid"></marker>
+ <taglist>
 <tag><c><![CDATA[control_pid]]></c></tag>
 <item>
 The process identifier of the controlling process for a
@@ -926,7 +944,7 @@ megaco_incr_timer() = #megaco_incr_timer{}
 A positive integer or <c><![CDATA[infinity]]></c>, 
 defaults to <c><![CDATA[infinity]]></c>.
 
- <marker id="ci_request_time"></marker>
+ <marker id="ci_request_timer"></marker>
 </item>
 
 <tag><c><![CDATA[request_timer]]></c></tag>
@@ -1347,9 +1365,62 @@ megaco_incr_timer() = #megaco_incr_timer{}
 A positive integer or <c><![CDATA[infinity]]></c>,
 defaults to <c><![CDATA[infinity]]></c>. 
 </item>
- </taglist>
 
- <marker id="update_conn_info"></marker>
+	</taglist>
+
+	Failure: <c>exit</c> if, for instance,
+	<c><anno>ConnHandle</anno></c> refers to a connection
+	that no longer exists.
+
+	<marker id="conn_info_21"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name name="conn_info" arity="2" clause_i="1" since=""/>
+ <fsummary>Lookup information about an active connection</fsummary>
+ <desc>
+	Lookup all connection information about an active
+	connection
+
+	See <seeerl marker="#conn_info_24">conn_info</seeerl> for
+	more info.
+
+	Failure: <c>exit</c> if, for instance,
+	<c><anno>ConnHandle</anno></c> refers to a connection
+	that no longer exists.
+
+	<marker id="conn_info_22"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name name="conn_info" arity="2" clause_i="2" since=""/>
+ <fsummary>Lookup information about an active connection</fsummary>
+ <desc>
+	Lookup information about currently active requests for an
+	active connection
+
+	Failure: <c>exit</c> if, for instance,
+	<c><anno>ConnHandle</anno></c> refers to a connection
+	that no longer exists.
+
+	<marker id="conn_info_23"></marker>
+ </desc>
+ </func>
+
+ <func>
+ <name name="conn_info" arity="2" clause_i="3" since=""/>
+ <fsummary>Lookup information about an active connection</fsummary>
+ <desc>
+	Lookup information about currently active replies for an
+	active connection
+
+	Failure: <c>exit</c> if, for instance,
+	<c><anno>ConnHandle</anno></c> refers to a connection
+	that no longer exists.
+
+	<marker id="update_conn_info"></marker>
 </desc>
 </func>
 
diff --git a/lib/megaco/src/app/megaco.erl b/lib/megaco/src/app/megaco.erl
index 1b3a15a414..ab870d0d13 100644
--- a/lib/megaco/src/app/megaco.erl
+++ b/lib/megaco/src/app/megaco.erl
@@ -125,9 +125,46 @@
 -type segment_no() :: megaco_encoder:segment_no().
 -type conn_handle() :: megaco_user:conn_handle().
 -type megaco_timer() :: megaco_user:megaco_timer().
+-type transaction_id() :: pos_integer().
+
+-type action_reqs() :: binary() | [action_request()].
+-type action_reps() :: [action_reply()].
+-type conn_info_item() :: control_pid |
+ send_handle |
+ local_mid |
+ remote_mid |
+ receive_handle |
+ trans_id |
+ max_trans_id |
+ request_timer |
+ long_request_timer |
+ request_keep_alive_timeout |
+ long_request_resend |
+ reply_timer |
+ call_proxy_gc_timeout |
+ auto_ack |
+ trans_ack |
+ trans_ack_maxcount |
+ trans_req |
+ trans_req_maxcount |
+ trans_req_maxsize |
+ trans_timer |
+ pending_timer |
+ sent_pending_limit |
+ recv_pending_limit |
+ send_mod |
+ encoding_mod |
+ encoding_config |
+ protocol_version |
+ strict_version |
+ reply_data |
+ threaded |
+ resend_indication |
+ segment_reply_ind |
+ segment_recv_timer |
+ segment_send |
+ max_pdu_size.
 
--type action_reqs() :: binary() | [action_request()].
--type action_reps() :: [action_reply()].
 -type send_handle() :: term().
 
 
@@ -194,14 +231,44 @@ update_user_info(UserMid, Item, Value) ->
 %% Lookup information about an active connection
 %%-----------------------------------------------------------------
 
+-spec conn_info(ConnHandle) -> [{Item, Value}] when
+ ConnHandle :: conn_handle(),
+ Item :: requests | replies | conn_info_item(),
+ Value :: term().
+ 
 conn_info(ConnHandle) ->
 [{requests, conn_info(ConnHandle, requests)},
 {replies, conn_info(ConnHandle, replies)} | conn_info(ConnHandle, all)].
 
-conn_info(ConnHandle, requests) ->
+
+-spec conn_info(ConnHandle, all) -> [{conn_info_item(), term()}] when
+ ConnHandle :: conn_handle();
+
+ (ConnHandle, requests) -> [TransId] when
+ ConnHandle :: conn_handle(),
+ TransId :: transaction_id();
+
+ (ConnHandle, replies) ->
+ [{TransId, ReplyState, Handler}] when
+ ConnHandle :: conn_handle(),
+ TransId :: transaction_id(),
+ ReplyState :: prepare | eval_request | waiting_for_ack | aborted,
+ Handler :: undefined | pid();
+
+ (ConnHandle, Item) -> Value when
+ ConnHandle :: conn_handle(),
+ Item :: conn_info_item(),
+ Value :: term().
+
+conn_info(ConnHandle, all = Item) ->
+ megaco_config:conn_info(ConnHandle, Item);
+
+conn_info(ConnHandle, requests = _Item) ->
 megaco_messenger:which_requests(ConnHandle);
+
 conn_info(ConnHandle, replies) ->
 megaco_messenger:which_replies(ConnHandle);
+
 conn_info(ConnHandle, Item) ->
 megaco_config:conn_info(ConnHandle, Item).
 
-- 
2.35.3

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File 2017-megaco-Types-and-spec-for-megaco-conn_info-1-2.patch of Package erlang (Revision a95c38533dd94a5c195230b3b146d029)

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