Add send_timeout, send_timeout_close options

etc/emq.conf

@@ -343,6 +343,10 @@ listener.tcp.external.access.2 = allow all
 ## TCP Socket Options
 listener.tcp.external.backlog = 1024
 
+listener.tcp.external.send_timeout = 15s
+
+listener.tcp.external.send_timeout_close = on
+
 #listener.tcp.external.recbuf = 4KB
 
 #listener.tcp.external.sndbuf = 4KB
@@ -371,6 +375,10 @@ listener.tcp.internal.max_clients = 102400
 ## TCP Socket Options
 listener.tcp.internal.backlog = 512
 
+listener.tcp.internal.send_timeout = 15s
+
+listener.tcp.external.send_timeout_close = on
+
 listener.tcp.internal.tune_buffer = on
 
 listener.tcp.internal.buffer = 1MB
@@ -477,6 +485,10 @@ listener.ssl.external.certfile = {{ platform_etc_dir }}/certs/cert.pem
 ## SSL Socket Options
 ## listener.ssl.external.backlog = 1024
 
+## listener.ssl.external.send_timeout = 15s
+
+## listener.ssl.external.send_timeout_close = on
+
 ## listener.ssl.external.recbuf = 4KB
 
 ## listener.ssl.external.sndbuf = 4KB
@@ -499,6 +511,10 @@ listener.ws.external.access.1 = allow all
 ## TCP Options
 listener.ws.external.backlog = 1024
 
+listener.ws.external.send_timeout = 15s
+
+listener.ws.external.send_timeout_close = on
+
 listener.ws.external.recbuf = 4KB
 
 listener.ws.external.sndbuf = 4KB
@@ -531,6 +547,20 @@ listener.wss.external.certfile = {{ platform_etc_dir }}/certs/cert.pem
 
 ## listener.wss.external.fail_if_no_peer_cert = true
 
+listener.wss.external.backlog = 1024
+
+listener.wss.external.send_timeout = 15s
+
+listener.wss.external.send_timeout_close = on
+
+## listener.wss.external.recbuf = 4KB
+
+## listener.wss.external.sndbuf = 4KB
+
+## listener.wss.external.buffer = 4KB
+
+## listener.wss.external.nodelay = true
+
 ##--------------------------------------------------------------------
 ## HTTP Management API Listener
 
@@ -542,6 +572,12 @@ listener.api.mgmt.max_clients = 64
 
 listener.api.mgmt.access.1 = allow all
 
+listener.api.mgmt.backlog = 512
+
+listener.api.mgmt.send_timeout = 15s
+
+listener.api.mgmt.send_timeout_close = on
+
 ##-------------------------------------------------------------------
 ## System Monitor
 ##-------------------------------------------------------------------

priv/emq.schema

@@ -805,8 +805,18 @@ end}.
 ]}.
 
 {mapping, "listener.tcp.$name.backlog", "emqttd.listeners", [
-  {default, 1024},
+  {datatype, integer},
-  {datatype, integer}
+  {default, 1024}
+]}.
+
+{mapping, "listener.tcp.$name.send_timeout", "emqttd.listeners", [
+  {datatype, {duration, ms}},
+  {default, "15s"}
+]}.
+
+{mapping, "listener.tcp.$name.send_timeout_close", "emqttd.listeners", [
+  {datatype, flag},
+  {default, on}
 ]}.
 
 {mapping, "listener.tcp.$name.recbuf", "emqttd.listeners", [
@@ -883,6 +893,16 @@ end}.
   {datatype, integer}
 ]}.
 
+{mapping, "listener.ssl.$name.send_timeout", "emqttd.listeners", [
+  {datatype, {duration, ms}},
+  {default, "15s"}
+]}.
+
+{mapping, "listener.ssl.$name.send_timeout_close", "emqttd.listeners", [
+  {datatype, flag},
+  {default, on}
+]}.
+
 {mapping, "listener.ssl.$name.recbuf", "emqttd.listeners", [
   {datatype, bytesize},
   hidden
@@ -996,6 +1016,16 @@ end}.
   {datatype, integer}
 ]}.
 
+{mapping, "listener.ws.$name.send_timeout", "emqttd.listeners", [
+  {datatype, {duration, ms}},
+  {default, "15s"}
+]}.
+
+{mapping, "listener.ws.$name.send_timeout_close", "emqttd.listeners", [
+  {datatype, flag},
+  {default, on}
+]}.
+
 {mapping, "listener.ws.$name.recbuf", "emqttd.listeners", [
   {datatype, bytesize},
   hidden
@@ -1059,6 +1089,16 @@ end}.
   {datatype, integer}
 ]}.
 
+{mapping, "listener.wss.$name.send_timeout", "emqttd.listeners", [
+  {datatype, {duration, ms}},
+  {default, "15s"}
+]}.
+
+{mapping, "listener.wss.$name.send_timeout_close", "emqttd.listeners", [
+  {datatype, flag},
+  {default, on}
+]}.
+
 {mapping, "listener.wss.$name.recbuf", "emqttd.listeners", [
   {datatype, bytesize},
   hidden
@@ -1145,6 +1185,8 @@ end}.
               end,
     TcpOpts = fun(Prefix) ->
                    Filter([{backlog, cuttlefish:conf_get(Prefix ++ ".backlog", Conf, undefined)},
+                           {send_timeout, cuttlefish:conf_get(Prefix ++ ".send_timeout", Conf, undefined)},
+                           {send_timeout_close, cuttlefish:conf_get(Prefix ++ ".send_timeout_close", Conf, undefined)},
                            {recbuf,  cuttlefish:conf_get(Prefix ++ ".recbuf", Conf, undefined)},
                            {sndbuf,  cuttlefish:conf_get(Prefix ++ ".sndbuf", Conf, undefined)},
                            {buffer,  cuttlefish:conf_get(Prefix ++ ".buffer", Conf, undefined)},
@@ -1252,6 +1294,16 @@ end}.
   {datatype, integer}
 ]}.
 
+{mapping, "listener.api.$name.send_timeout", "emqttd.listeners", [
+  {datatype, {duration, ms}},
+  {default, "15s"}
+]}.
+
+{mapping, "listener.api.$name.send_timeout_close", "emqttd.listeners", [
+  {datatype, flag},
+  {default, on}
+]}.
+
 {mapping, "listener.api.$name.recbuf", "emqttd.listeners", [
   {datatype, bytesize},
   hidden