yuanbiao
/
emqx
1
0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bridges command

This commit is contained in:
Feng Lee 2015-07-25 14:34:25 +08:00
parent d81946b0d6
commit 90b3344db0
1 changed files with 35 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/emqttd_ctl.erl
View File

@ -147,13 +147,29 @@ listeners([]) ->
end, esockd:listeners()).
bridges(["list"]) ->
lists:foreach(fun({{Node, Topic}, _Pid}) ->
?PRINT("bridge: ~s ~s~n", [Node, Topic])
lists:foreach(fun({{Node, Topic}, _Pid}) ->
?PRINT("bridge: ~s ~s~n", [Node, Topic])
end, emqttd_bridge_sup:bridges());
bridges(["options"]) ->
?PRINT_MSG("Options:~n"),
?PRINT_MSG(" qos = 0 | 1 | 2~n"),
?PRINT_MSG(" prefix = string~n"),
?PRINT_MSG(" suffix = string~n"),
?PRINT_MSG(" queue = integer~n"),
?PRINT_MSG("Example:~n"),
?PRINT_MSG(" qos=2,prefix=abc/,suffix=/yxz,queue=1000~n");
bridges(["start", SNode, Topic]) ->
case emqttd_bridge_sup:start_bridge(list_to_atom(SNode), bin(Topic)) of
{ok, _} -> ?PRINT_MSG("bridge is started.~n");
{ok, _} -> ?PRINT_MSG("bridge is started.~n");
{error, Error} -> ?PRINT("error: ~p~n", [Error])
end;
bridges(["start", SNode, Topic, OptStr]) ->
Opts = parse_opts(bridge, OptStr),
case emqttd_bridge_sup:start_bridge(list_to_atom(SNode), bin(Topic), Opts) of
{ok, _} -> ?PRINT_MSG("bridge is started.~n");
{error, Error} -> ?PRINT("error: ~p~n", [Error])
end;
@ -229,3 +245,19 @@ node_name(SNode) ->
bin(S) when is_list(S) -> list_to_binary(S);
bin(B) when is_binary(B) -> B.
parse_opts(Cmd, OptStr) ->
Tokens = string:tokens(OptStr, ","),
[parse_opt(Cmd, list_to_atom(Opt), Val)
|| [Opt, Val] <- [string:tokens(S, "=") || S <- Tokens]].
parse_opt(bridge, qos, Qos) ->
{qos, list_to_integer(Qos)};
parse_opt(bridge, suffix, Suffix) ->
{topic_suffix, list_to_binary(Suffix)};
parse_opt(bridge, prefix, Prefix) ->
{topic_prefix, list_to_binary(Prefix)};
parse_opt(bridge, queue, Len) ->
{max_queue_len, list_to_integer(Len)};
parse_opt(_Cmd, Opt, _Val) ->
?PRINT("Bad Option: ~s~n", [Opt]).