diff options
| -rw-r--r-- | lib/ssh/src/ssh_connect.hrl | 3 | ||||
| -rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 27 |
2 files changed, 24 insertions, 6 deletions
diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl index 6db89c5d80..9f9f3de8fa 100644 --- a/lib/ssh/src/ssh_connect.hrl +++ b/lib/ssh/src/ssh_connect.hrl @@ -248,6 +248,9 @@ local_id, %% local channel id recv_window_size, + recv_window_pending = 0, %% Sum of window size updates that has not + %% yet been sent. This limits the number + %% of sent update msgs. recv_packet_size, recv_close = false, diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 505c6eb181..68062209fc 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -731,13 +731,28 @@ handle_event({adjust_window, ChannelId, Bytes}, StateName, #connection{channel_cache = Cache}} = State0) -> State = case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{recv_window_size = WinSize, remote_id = Id} = Channel -> - ssh_channel:cache_update(Cache, Channel#channel{recv_window_size = - WinSize + Bytes}), - Msg = ssh_connection:channel_adjust_window_msg(Id, Bytes), + #channel{recv_window_size = WinSize, + recv_window_pending = Pending, + recv_packet_size = PktSize} = Channel + when (WinSize-Bytes) >= 2*PktSize -> + %% The peer can send at least two more *full* packet, no hurry. + ssh_channel:cache_update(Cache, + Channel#channel{recv_window_pending = Pending + Bytes}), + State0; + + #channel{recv_window_size = WinSize, + recv_window_pending = Pending, + remote_id = Id} = Channel -> + %% Now we have to update the window - we can't receive so many more pkts + ssh_channel:cache_update(Cache, + Channel#channel{recv_window_size = + WinSize + Bytes + Pending, + recv_window_pending = 0}), + Msg = ssh_connection:channel_adjust_window_msg(Id, Bytes + Pending), send_replies([{connection_reply, Msg}], State0); - undefined -> - State0 + + undefined -> + State0 end, {next_state, StateName, next_packet(State)}; |