From 47c476dc0ae49ef74320b2afeb800da6a32bf367 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Fri, 26 Sep 2008 06:10:21 +0000
Subject: [PATCH] include TCP handshake overhead

---
 include/libtorrent/stat.hpp | 12 ++++++++++++
 src/peer_connection.cpp     |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/include/libtorrent/stat.hpp b/include/libtorrent/stat.hpp
index fe9824164..ef4fdd04a 100644
--- a/include/libtorrent/stat.hpp
+++ b/include/libtorrent/stat.hpp
@@ -122,6 +122,18 @@ namespace libtorrent
 				m_stat[i] += s.m_stat[i];
 		}
 
+		void sent_syn()
+		{
+			m_stat[upload_ip_protocol].add(40);
+		}
+
+		void received_synack()
+		{
+			// we received SYN-ACK and also sent ACK back
+			m_stat[download_ip_protocol].add(40);
+			m_stat[upload_ip_protocol].add(40);
+		}
+
 		void received_dht_bytes(int bytes)
 		{
 			TORRENT_ASSERT(bytes >= 0);
diff --git a/src/peer_connection.cpp b/src/peer_connection.cpp
index 52f1f2773..6753b1831 100644
--- a/src/peer_connection.cpp
+++ b/src/peer_connection.cpp
@@ -3668,6 +3668,7 @@ namespace libtorrent
 		m_socket->async_connect(m_remote
 			, bind(&peer_connection::on_connection_complete, self(), _1));
 		m_connect = time_now();
+		m_statistics.sent_syn();
 
 		if (t->alerts().should_post<peer_connect_alert>())
 		{
@@ -3706,6 +3707,8 @@ namespace libtorrent
 
 		// this means the connection just succeeded
 
+		m_statistics.received_synack();
+
 		TORRENT_ASSERT(m_socket);
 #if defined TORRENT_VERBOSE_LOGGING || defined TORRENT_LOGGING
 		(*m_ses.m_logger) << time_now_string() << " COMPLETED: " << m_remote.address().to_string()