Support proxy protocol v1/2 config

etc/emq.conf

@@ -228,9 +228,9 @@ mqtt.listener.tcp.max_clients = 1024
 ## Rate Limit. Format is 'burst,rate', Unit is KB/Sec
 ## mqtt.listener.tcp.rate_limit = 100,10
 
-## Proxy Protocol V1
-mqtt.listener.tcp.proxy_protocol = 1
-mqtt.listener.tcp.proxy_protocol_timeout = 10
+## Proxy Protocol V1/2
+## mqtt.listener.tcp.proxy_protocol = on
+## mqtt.listener.tcp.proxy_protocol_timeout = 3s
 
 ## TCP Socket Options
 mqtt.listener.tcp.backlog = 1024
@@ -250,8 +250,10 @@ mqtt.listener.ssl.max_clients = 512
 
 ## Rate Limit. Format is 'burst,rate', Unit is KB/Sec
 ## mqtt.listener.ssl.rate_limit = 100,10
-mqtt.listener.ssl.proxy_protocol = 1
-mqtt.listener.ssl.proxy_protocol_timeout = 10
+
+## Proxy Protocol V1/2
+## mqtt.listener.ssl.proxy_protocol = on
+## mqtt.listener.ssl.proxy_protocol_timeout = 3s
 
 ## Configuring SSL Options. See http://erlang.org/doc/man/ssl.html
 ### TLS only for POODLE attack
@@ -268,10 +270,6 @@ mqtt.listener.http = 8083
 mqtt.listener.http.acceptors = 4
 mqtt.listener.http.max_clients = 64
 
-## Proxy Protocol V1
-mqtt.listener.http.proxy_protocol = 1
-mqtt.listener.http.proxy_protocol_timeout = 10
-
 ## HTTP(SSL) Listener
 mqtt.listener.https = 8084
 mqtt.listener.https.acceptors = 4

priv/emq.schema

@@ -553,16 +553,13 @@ end}.
 ]}.
 
 {mapping, "mqtt.listener.tcp.proxy_protocol", "emqttd.listeners", [
-  {default, 1},
-  {datatype, integer},
-  {validators, ["range:1-2"]},
-  hidden
+  %%{default, off},
+  {datatype, flag}
 ]}.
 
 {mapping, "mqtt.listener.tcp.proxy_protocol_timeout", "emqttd.listeners", [
-  {default, 10},
-  {datatype, integer},
-  hidden
+  %%{default, "5s"},
+  {datatype, {duration, ms}}
 ]}.
 
 {mapping, "mqtt.listener.tcp.backlog", "emqttd.listeners", [
@@ -615,12 +612,12 @@ end}.
 ]}.
 
 {mapping, "mqtt.listener.ssl.proxy_protocol", "emqttd.listeners", [
-  {default, off},
+  %%{default, off},
   {datatype, flag}
 ]}.
 
 {mapping, "mqtt.listener.ssl.proxy_protocol_timeout", "emqttd.listeners", [
-  {default, 5s},
+  %%{default, "5s"},
   {datatype, {duration, ms}}
 ]}.
 
@@ -668,19 +665,6 @@ end}.
   {datatype, integer}
 ]}.
 
-{mapping, "mqtt.listener.http.proxy_protocol", "emqttd.listeners", [
-  {default, 1},
-  {datatype, integer},
-  {validators, ["range:1-2"]},
-  hidden
-]}.
-
-{mapping, "mqtt.listener.http.proxy_protocol_timeout", "emqttd.listeners", [
-  {default, 10},
-  {datatype, integer},
-  hidden
-]}.
-
 {mapping, "mqtt.listener.https", "emqttd.listeners", [
   %%{default, 8084},
   {datatype, [integer, ip]}
@@ -696,18 +680,6 @@ end}.
   {datatype, integer}
 ]}.
 
-{mapping, "mqtt.listener.https.proxy_protocol", "emqttd.listeners", [
-  {default, 1},
-  {datatype, integer},
-  {validators, ["range:1-2"]},
-  hidden
-]}.
-
-{mapping, "mqtt.listener.https.proxy_protocol_timeout", "emqttd.listeners", [
-  {datatype, integer},
-  hidden
-]}.
-
 {mapping, "mqtt.listener.https.handshake_timeout", "emqttd.listeners", [
   {default, 15},
   {datatype, integer}