diff options
| -rw-r--r-- | src/gun_http2.erl | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gun_http2.erl b/src/gun_http2.erl index a1d717e..a10fe44 100644 --- a/src/gun_http2.erl +++ b/src/gun_http2.erl @@ -972,8 +972,11 @@ keepalive(State=#http2_state{socket=Socket, transport=Transport, pings_unack=Pin ping(State=#http2_state{socket=Socket, transport=Transport, user_pings=UserPings}, undefined, ReplyTo, PingRef) -> - %% Use non-zero 64-bit payload for user pings. 0 is reserved for keepalive. - Payload = erlang:unique_integer([monotonic, positive]), + %% User pings use the 64-bit payload for identification. + %% The payload 0 is already used for keepalive, and payloads + %% 1 through 9999 are reserved for future use. Payloads 10000 + %% and above are used by user pings. + Payload = 9999 + erlang:unique_integer([monotonic, positive]), case Transport:send(Socket, cow_http2:ping(Payload)) of ok -> UserPing = #user_ping{ref = PingRef, reply_to = ReplyTo, payload = Payload}, |