[leo_gateway] [REST-API] Error when request URL does not contain path to file

[windkit]

Description

When leo_gateway received a request without path (i.e. only to domain), an error would be logged.

leo_gateway_rest_api:handle_1 should return tuple {ok, cowboy_req:req(), State}
but in this case, only {ok, cowboy_req:req()} is returned after replying 404 with cowboy_req:reply

Related Code

https://github.com/leo-project/leo_gateway/blob/develop/src/leo_gateway_rest_api.erl#L201
https://github.com/leo-project/leo_gateway/blob/develop/src/leo_gateway_rest_api.erl#L203

Error Case

$ wget http://127.0.0.1:8081/

[E]     [email protected]     2016-08-24 16:16:10.875766 +0900        1472022970      null:null       0       Ranch listener leo_gateway_rest_api had connection process started with cowboy_protocol:start_link/4 at <0.1783.0> exit with reason: {{try_clause,{ok,{http_req,#Port<0.3979>,ranch_tcp,keepalive,<0.1783.0>,<<"GET">>,'HTTP/1.1',{{127,0,0,1},60873},<<"127.0.0.1">>,undefined,8081,<<"/">>,undefined,<<>>,undefined,[],[{<<"user-agent">>,<<"Wget/1.15 (linux-gnu)">>},{<<"accept">>,<<"*/*">>},{<<"host">>,<<"127.0.0.1:8081">>},{<<"connection">>,<<"Keep-Alive">>}],[{<<"connection">>,[<<"keep-alive">>]}],undefined,[],waiting,<<>>,undefined,false,done,[],<<>>,undefined}}},[{cowboy_handler,handler_handle,4,[{file,"src/cowboy_handler.erl"},{line,111}]},{cowboy_protocol,execute,4,[{file,"src/cowboy_protocol.erl"},{line,442}]}]}

[windkit]

Fix with PR leo-project/leo_gateway#47

[yosukehara]

We fixed this issue, which will be included in v1.3.1.