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docs: add a reference to the origin of is_bridge and bridge_mode

This commit is contained in:
Zaiming (Stone) Shi 2024-02-16 12:24:57 +01:00
parent 28d9e09504
commit 17a0513962
2 changed files with 4 additions and 0 deletions
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2
apps/emqx/src/emqx_channel.erl
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@ -1551,6 +1551,8 @@ set_username(
set_username(_ConnPkt, ClientInfo) ->
{ok, ClientInfo}.
%% The `is_bridge` bit flag in CONNECT packet (parsed as `bridge_mode`)
%% is invented by mosquitto, named 'try_private': https://mosquitto.org/man/mosquitto-conf-5.html
set_bridge_mode(#mqtt_packet_connect{is_bridge = true}, ClientInfo) ->
{ok, ClientInfo#{is_bridge => true}};
set_bridge_mode(_ConnPkt, _ClientInfo) ->

2
apps/emqx/src/emqx_frame.erl
View File

@ -301,6 +301,7 @@ parse_connect2(
proto_name = ProtoName,
proto_ver = ProtoVer,
%% For bridge mode, non-standard implementation
%% Invented by mosquitto, named 'try_private': https://mosquitto.org/man/mosquitto-conf-5.html
is_bridge = (BridgeTag =:= 8),
clean_start = bool(CleanStart),
will_flag = bool(WillFlag),
@ -772,6 +773,7 @@ serialize_variable(
proto_name = ProtoName,
proto_ver = ProtoVer,
%% For bridge mode, non-standard implementation
%% Invented by mosquitto, named 'try_private': https://mosquitto.org/man/mosquitto-conf-5.html
is_bridge = IsBridge,
clean_start = CleanStart,
will_flag = WillFlag,