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authorHans Nilsson <[email protected]>2016-11-11 12:56:59 +0100
committerHans Nilsson <[email protected]>2016-11-11 13:03:04 +0100
commitd13af8b8c6a7b04ec541585d1b8945103fffb988 (patch)
tree636cf03f11f206cb7190b4114f6fa49b3583230b /lib/ssh
parentd1c8c59ec8bcec6758d7a00bed1d23e0907fb3a5 (diff)
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ssh: Adjust inet buffers if too small
Diffstat (limited to 'lib/ssh')
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index e7c52f345e..7451c9e6d0 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -928,6 +928,7 @@ handle_event(internal, Msg=#ssh_msg_channel_request{}, StateName, D) -
handle_connection_msg(Msg, StateName, D);
handle_event(internal, Msg=#ssh_msg_channel_success{}, StateName, D) ->
+ update_inet_buffers(D#data.socket),
handle_connection_msg(Msg, StateName, D);
handle_event(internal, Msg=#ssh_msg_channel_failure{}, StateName, D) ->
@@ -1007,6 +1008,7 @@ handle_event(cast, {reply_request,success,ChannelId}, {connected,_}, D) ->
case ssh_channel:cache_lookup(cache(D), ChannelId) of
#channel{remote_id = RemoteId} ->
Msg = ssh_connection:channel_success_msg(RemoteId),
+ update_inet_buffers(D#data.socket),
{keep_state, send_msg(Msg,D)};
undefined ->
@@ -1738,6 +1740,11 @@ send_replies(Repls, State) ->
Repls).
get_repl({connection_reply,Msg}, {CallRepls,S}) ->
+ if is_record(Msg, ssh_msg_channel_success) ->
+ update_inet_buffers(S#data.socket);
+ true ->
+ ok
+ end,
{CallRepls, send_msg(Msg,S)};
get_repl({channel_data,undefined,_Data}, Acc) ->
Acc;
@@ -1926,3 +1933,13 @@ handshake(Pid, Ref, Timeout) ->
{error, timeout}
end.
+update_inet_buffers(Socket) ->
+ {ok, BufSzs0} = inet:getopts(Socket, [sndbuf,recbuf]),
+ MinVal = 655360,
+ case
+ [{Tag,MinVal} || {Tag,Val} <- BufSzs0,
+ Val < MinVal]
+ of
+ [] -> ok;
+ NewOpts -> inet:setopts(Socket, NewOpts)
+ end.