Hello,
I am trying to get hostname with websocket connection on the following
function: handle_join(ServiceName, WebSocketId, State)
I tried with
Req:header(host), Req:header(hostname), Req:header("host"),
Req:header("hostname"),
but i get the following error;
tt_service_websocket (<0.1698.0>) starting...
12:01:52.853 [error] ** Boss Service Handler tt_service_websocket
terminating in join/0
for the reason error:undef
ServiceUrl: "/websocket/service"
WebSocketId: <0.1696.0>
SessionId : undefined
State :
{state,{dict,0,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}}}
** Stacktrace:
[{http_req,header,[host,{http_req,#Port<0.39188>,ranch_tcp,keepalive,<0.1696.0>,<<"GET">>,'HTTP/1.1',{{127,0,0,1},52131},<<"localhost">>,undefined,8001,<<"/websocket/service">>,undefined,<<>>,undefined,[],[{<<"host">>,<<"localhost:8001">>},{<<"connection">>,<<"Upgrade">>},{<<"pragma">>,<<"no-cache">>},{<<"cache-control">>,<<"no-cache">>},{<<"upgrade">>,<<"websocket">>},{<<"origin">>,<<"http://localhost:8001";>>},{<<"sec-websocket-version">>,<<"13">>},{<<"user-agent">>,<<"Mozilla/5.0
(Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/46.0.2490.80 Safari/537.36">>},{<<"accept-encoding">>,<<"gzip,
deflate,
sdch">>},{<<"accept-language">>,<<"en-US,en;q=0.8">>},{<<"cookie">>,<<"_ga=GA1.1.93174808.1447451951">>},{<<"sec-websocket-key">>,<<"olKXNasMxISW/Xn6fPZ9Yg==">>},{<<"sec-websocket-extensions">>,<<"permessage-deflate;
client_max_window_bits">>}],[{<<"sec-websocket-extensions">>,[{<<"permessage-deflate">>,[<<"client_max_window_bits">>]}]},{<<"upgrade">>,[<<"websocket">>]},{<<"connection">>,[<<"upgrade">>]}],undefined,[{websocket_compress,false},{websocket_version,13}],waiting,undefined,<<>>,false,waiting,[],<<>>,undefined}],[]},{tt_service_websocket,handle_join,4,[{file,"c:/Users/Asus/Desktop/tt/src/websocket/tt_service_websocket.erl"},{line,23}]},{boss_service_worker,handle_cast,2,[{file,"src/boss/boss_service_worker.erl"},{line,123}]},{gen_server,handle_msg,5,[{file,"gen_server.erl"},{line,599}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,237}]}]
12:01:52.853 [error] gen_server tt_service_websocket terminated with
reason: bad return value: ok
12:01:52.853 [error] CRASH REPORT Process <0.1686.0> with 0 neighbours
exited with reason: bad return value: ok in gen_server:terminate/6 line 737
12:01:52.853 [error] Supervisor {global,boss_service_sup} had child
tt_service_websocket started with
boss_service_worker:start_link(tt_service_websocket,
<<"/websocket/service">>) at <0.1686.0> exit with reason bad return value:
ok in context child_terminated
I think i get the cowboy req object in the error code. Is there a correct
way to get hostname through websocket connection and use it in my websocket
service code as a security and confirmation?
Thanks
Mert
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