diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/rfc7540_SUITE.erl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/rfc7540_SUITE.erl b/test/rfc7540_SUITE.erl index 6f08ce3..f19ce34 100644 --- a/test/rfc7540_SUITE.erl +++ b/test/rfc7540_SUITE.erl @@ -155,3 +155,28 @@ headers_priority_flag(_) -> StreamRef = gun:get(ConnPid, "/"), {response, fin, 200, _} = gun:await(ConnPid, StreamRef), gun:close(ConnPid). + +settings_ack_timeout(_) -> + doc("Failure to acknowledge the client's SETTINGS frame " + "results in a SETTINGS_TIMEOUT connection error. (RFC7540 6.5.3)"), + %% We use 'http' here because we are going to do the handshake manually. + {ok, _, Port} = init_origin(tcp, http, fun(_, Socket, Transport) -> + %% Send a valid preface. + ok = Transport:send(Socket, cow_http2:settings(#{})), + %% Receive the fixed sequence from the preface. + Preface = <<"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n">>, + {ok, Preface} = Transport:recv(Socket, byte_size(Preface), 5000), + %% Receive the SETTINGS from the preface. + {ok, <<Len:24>>} = Transport:recv(Socket, 3, 5000), + {ok, <<4:8, 0:40, _:Len/binary>>} = Transport:recv(Socket, 6 + Len, 5000), + %% Receive the WINDOW_UPDATE sent with the preface. + {ok, <<4:24, 8:8, 0:40, _:32>>} = Transport:recv(Socket, 13, 5000), + %% Receive the SETTINGS ack. + {ok, <<0:24, 4:8, 1:8, 0:32>>} = Transport:recv(Socket, 9, 5000), + %% Do not ack the client preface. Expect a GOAWAY with reason SETTINGS_TIMEOUT. + {ok, << _:24, 7:8, _:72, 4:32 >>} = Transport:recv(Socket, 17, 6000) + end), + {ok, ConnPid} = gun:open("localhost", Port, #{protocols => [http2]}), + {ok, http2} = gun:await_up(ConnPid), + timer:sleep(6000), + gun:close(ConnPid). |