Parameter set to save bandwidth on ultra-constrained links

mobile-shell · Jun 4, 2013 · 979c2a1 · 979c2a1
1 parent f960a8b
commit 979c2a1
Show file tree

Hide file tree

Showing 4 changed files with 9 additions and 7 deletions.
diff --git a/src/frontend/stmclient.cc b/src/frontend/stmclient.cc
@@ -249,7 +249,7 @@ void STMClient::main_init( void )
   network = new Network::Transport< Network::UserStream, Terminal::Complete >( blank, local_terminal,
 									       key.c_str(), ip.c_str(), port );
 
-  network->set_send_delay( 1 ); /* minimal delay on outgoing keystrokes */
+  network->set_send_delay( 400 ); /* minimal delay on outgoing keystrokes */
 
   /* tell server the size of the terminal */
   network->get_current_state().push_back( Parser::Resize( window_size.ws_col, window_size.ws_row ) );

diff --git a/src/frontend/terminaloverlay.h b/src/frontend/terminaloverlay.h
@@ -294,7 +294,7 @@ namespace Overlay {
 			       last_quick_confirmation( 0 ),
 			       send_interval( 250 ),
 			       last_height( 0 ), last_width( 0 ),
-			       display_preference( Adaptive )
+			       display_preference( Experimental )
     {
     }
   };

diff --git a/src/network/transportsender.cc b/src/network/transportsender.cc
@@ -59,7 +59,7 @@ TransportSender<MyState>::TransportSender( Connection *s_connection, MyState &in
     shutdown_start( -1 ),
     ack_num( 0 ),
     pending_data_ack( false ),
-    SEND_MINDELAY( 8 ),
+    SEND_MINDELAY( 500 ),
     last_heard( 0 ),
     prng(),
     mindelay_clock( -1 )
@@ -298,6 +298,8 @@ const string TransportSender<MyState>::make_chaff( void )
   const size_t CHAFF_MAX = 16;
   const size_t chaff_len = prng.uint8() % (CHAFF_MAX + 1);
 
+  return string(); /* disable chaff */
+
   char chaff[ CHAFF_MAX ];
   prng.fill( chaff, chaff_len );
   return string( chaff, chaff_len );

diff --git a/src/network/transportsender.h b/src/network/transportsender.h
@@ -49,10 +49,10 @@ using namespace TransportBuffers;
 
 namespace Network {
   /* timing parameters */
-  const int SEND_INTERVAL_MIN = 20; /* ms between frames */
-  const int SEND_INTERVAL_MAX = 250; /* ms between frames */
-  const int ACK_INTERVAL = 3000; /* ms between empty acks */
-  const int ACK_DELAY = 100; /* ms before delayed ack */
+  const int SEND_INTERVAL_MIN = 1000; /* ms between frames */
+  const int SEND_INTERVAL_MAX = 1001; /* ms between frames */
+  const int ACK_INTERVAL = 60000; /* ms between empty acks */
+  const int ACK_DELAY = 1000; /* ms before delayed ack */
   const int SHUTDOWN_RETRIES = 16; /* number of shutdown packets to send before giving up */
   const int ACTIVE_RETRY_TIMEOUT = 10000; /* attempt to resend at frame rate */