void-packages/srcpkgs/mosh/patches/fix-memory-blowup-on-large-...

36 lines
1.3 KiB
Diff

From 91de8901f5da04bc2abba3242164b0a330764d49 Mon Sep 17 00:00:00 2001
From: John Hood <cgull@glup.org>
Date: Sat, 6 May 2017 23:28:29 -0400
Subject: [PATCH] Don't do prediction on large pastes into mosh-client.
Fixes #482, memory use blowup on large pastes. mosh is still pretty slow
about copying pastes through, though.
---
src/frontend/stmclient.cc | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git src/frontend/stmclient.cc src/frontend/stmclient.cc
index 7eff0af3..450d068a 100644
--- src/frontend/stmclient.cc
+++ src/frontend/stmclient.cc
@@ -318,10 +318,18 @@ bool STMClient::process_user_input( int fd )
if ( !network->shutdown_in_progress() ) {
overlays.get_prediction_engine().set_local_frame_sent( network->get_sent_state_last() );
+ /* Don't predict for bulk data. */
+ bool paste = bytes_read > 100;
+ if ( paste ) {
+ overlays.get_prediction_engine().reset();
+ }
+
for ( int i = 0; i < bytes_read; i++ ) {
char the_byte = buf[ i ];
- overlays.get_prediction_engine().new_user_byte( the_byte, local_framebuffer );
+ if ( !paste ) {
+ overlays.get_prediction_engine().new_user_byte( the_byte, local_framebuffer );
+ }
if ( quit_sequence_started ) {
if ( the_byte == '.' ) { /* Quit sequence is Ctrl-^ . */