From ab45133ab4826359ca9a5ed50b68150eb462c8ef Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Tue, 27 Nov 2012 09:38:21 +0200 Subject: Add congestion control settings to minetest.conf --- src/connection.cpp | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-) (limited to 'src/connection.cpp') diff --git a/src/connection.cpp b/src/connection.cpp index 4f5d095e5..ed5a752be 100644 --- a/src/connection.cpp +++ b/src/connection.cpp @@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "util/serialize.h" #include "util/numeric.h" #include "util/string.h" +#include "settings.h" namespace con { @@ -466,7 +467,10 @@ Peer::Peer(u16 a_id, Address a_address): m_sendtime_accu(0), m_max_packets_per_second(10), m_num_sent(0), - m_max_num_sent(0) + m_max_num_sent(0), + congestion_control_aim_rtt(0.2), + congestion_control_max_rate(400), + congestion_control_min_rate(10) { } Peer::~Peer() @@ -477,15 +481,15 @@ void Peer::reportRTT(float rtt) { if(rtt >= 0.0){ if(rtt < 0.01){ - if(m_max_packets_per_second < 400) + if(m_max_packets_per_second < congestion_control_max_rate) m_max_packets_per_second += 10; - } else if(rtt < 0.2){ - if(m_max_packets_per_second < 100) + } else if(rtt < congestion_control_aim_rtt){ + if(m_max_packets_per_second < congestion_control_max_rate) m_max_packets_per_second += 2; } else { m_max_packets_per_second *= 0.8; - if(m_max_packets_per_second < 10) - m_max_packets_per_second = 10; + if(m_max_packets_per_second < congestion_control_min_rate) + m_max_packets_per_second = congestion_control_min_rate; } } @@ -891,12 +895,24 @@ void Connection::receive() void Connection::runTimeouts(float dtime) { + float congestion_control_aim_rtt + = g_settings->getFloat("congestion_control_aim_rtt"); + float congestion_control_max_rate + = g_settings->getFloat("congestion_control_max_rate"); + float congestion_control_min_rate + = g_settings->getFloat("congestion_control_min_rate"); + core::list timeouted_peers; core::map::Iterator j; j = m_peers.getIterator(); for(; j.atEnd() == false; j++) { Peer *peer = j.getNode()->getValue(); + + // Update congestion control values + peer->congestion_control_aim_rtt = congestion_control_aim_rtt; + peer->congestion_control_max_rate = congestion_control_max_rate; + peer->congestion_control_min_rate = congestion_control_min_rate; /* Check peer timeout -- cgit v1.2.3