feat: add option to gc after TLS/SSL handshake (4.3)

Port of https://github.com/emqx/emqx/pull/8637

CHANGES-4.3.md

@@ -16,6 +16,7 @@ File format:
 
 - Upgrade Erlang/OTP from 23.2.7.2-emqx-3 to 23.3.4.9-3 [#8511](https://github.com/emqx/emqx/pull/8511)
 - Make possible to debug-print SSL handshake procedure by setting listener config `log_level=debug` [#8553](https://github.com/emqx/emqx/pull/8553)
+- Add option to perform GC on connection process after TLS/SSL handshake is performed. [#8649](https://github.com/emqx/emqx/pull/8649)
 
 ## v4.3.17
 

apps/emqx_sn/rebar.config

@@ -2,7 +2,7 @@
 {plugins, [rebar3_proper]}.
 
 {deps,
- [{esockd, {git, "https://github.com/emqx/esockd", {tag, "5.8.5"}}},
+ [{esockd, {git, "https://github.com/emqx/esockd", {tag, "5.8.7"}}},
   {cuttlefish, {git, "https://github.com/emqx/cuttlefish", {tag, "v3.0.0"}}}
  ]}.
 

etc/emqx.conf

@@ -1644,6 +1644,13 @@ listener.ssl.external.ciphers = TLS_AES_256_GCM_SHA384,TLS_AES_128_GCM_SHA256,TL
 ## Value: true | false
 listener.ssl.external.reuseaddr = true
 
+## Whether to perform GC after TLS/SSL handshake.
+##
+## Default: false
+##
+## Value: true | false
+## listener.ssl.external.gc_after_handshake = false
+
 ##--------------------------------------------------------------------
 ## External WebSocket listener for MQTT protocol
 

priv/emqx.schema

@@ -1599,6 +1599,11 @@ end}.
   {datatype, {enum, [emergency, alert, critical, error, warning, notice, info, debug, none, all]}}
 ]}.
 
+{mapping, "listener.ssl.$name.gc_after_handshake", "emqx.listeners", [
+  {default, false},
+  {datatype, {enum, [true, false]}}
+]}.
+
 %%--------------------------------------------------------------------
 %% MQTT/WebSocket Listeners
 
@@ -2055,6 +2060,7 @@ end}.
   {datatype, {enum, [emergency, alert, critical, error, warning, notice, info, debug, none, all]}}
 ]}.
 
+
 {translation, "emqx.listeners", fun(Conf) ->
 
     Filter  = fun(Opts) -> [{K, V} || {K, V} <- Opts, V =/= undefined] end,
@@ -2221,7 +2227,8 @@ end}.
                           {secure_renegotiate, cuttlefish:conf_get(Prefix ++ ".secure_renegotiate", Conf, undefined)},
                           {reuse_sessions, cuttlefish:conf_get(Prefix ++ ".reuse_sessions", Conf, undefined)},
                           {honor_cipher_order, cuttlefish:conf_get(Prefix ++ ".honor_cipher_order", Conf, undefined)},
-                          {log_level, cuttlefish:conf_get(Prefix ++ ".log_level", Conf, undefined)}
+                          {log_level, cuttlefish:conf_get(Prefix ++ ".log_level", Conf, undefined)},
+                          {gc_after_handshake, cuttlefish:conf_get(Prefix ++ ".gc_after_handshake", Conf, undefined)}
                          ])
               end,
 

rebar.config

@@ -45,7 +45,7 @@
     , {gproc, {git, "https://github.com/uwiger/gproc", {tag, "0.8.0"}}}
     , {jiffy, {git, "https://github.com/emqx/jiffy", {tag, "1.0.5"}}}
     , {cowboy, {git, "https://github.com/emqx/cowboy", {tag, "2.8.2"}}}
-    , {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.8.6"}}}
+    , {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.8.7"}}}
     , {ekka, {git, "https://github.com/emqx/ekka", {tag, "0.8.1.11"}}}
     , {gen_rpc, {git, "https://github.com/emqx/gen_rpc", {tag, "2.5.2"}}}
     , {cuttlefish, {git, "https://github.com/emqx/cuttlefish", {tag, "v3.3.6"}}}