Module cowboy_websocket

handler_loop(State::#state{env = undefined | cowboy_middleware:env(), socket = inet:socket(), transport = module(), handler = undefined | module(), key = undefined | binary(), timeout = timeout(), timeout_ref = undefined | reference(), messages = undefined | {atom(), atom(), atom()}, hibernate = boolean(), frag_state = frag_state(), utf8_state = binary(), deflate_frame = boolean(), inflate_state = undefined | port(), deflate_state = undefined | port()}, Req, HandlerState::any(), SoFar::binary()) -> {ok, Req, cowboy_middleware:env()} | {suspend, module(), atom(), [any()]}

• Req = cowboy_req:req()

upgrade(Req, Env, Handler::module(), HandlerOpts::any()) -> {ok, Req, Env} | {error, 400, Req} | {suspend, module(), atom(), [any()]}

• Req = cowboy_req:req()
• Env = cowboy_middleware:env()