F5/unison
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tcp: Save minRtt in TcpSocketState

Browse Source
This commit is contained in:
Vivek Jain
2018-01-19 16:49:41 +01:00
parent 9eea488338
commit f1da2c177e
2 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/internet/model/tcp-socket-base.cc
View File

@@ -262,7 +262,8 @@ TcpSocketState::TcpSocketState (void)
m_rcvTimestampEchoReply (0),
m_pacing (false),
m_maxPacingRate (0),
m_currentPacingRate (0)
m_currentPacingRate (0),
m_minRtt (Time::Max ())
{
}
@@ -281,7 +282,8 @@ TcpSocketState::TcpSocketState (const TcpSocketState &other)
m_rcvTimestampEchoReply (other.m_rcvTimestampEchoReply),
m_pacing (other.m_pacing),
m_maxPacingRate (other.m_maxPacingRate),
m_currentPacingRate (other.m_currentPacingRate)
m_currentPacingRate (other.m_currentPacingRate),
m_minRtt (other.m_minRtt)
{
}
@@ -3223,7 +3225,8 @@ TcpSocketBase::EstimateRtt (const TcpHeader& tcpHeader)
// RFC 6298, clause 2.4
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation () * 4), m_minRto);
m_lastRtt = m_rtt->GetEstimate ();
NS_LOG_FUNCTION (this << m_lastRtt);
m_tcb->m_minRtt = m_lastRtt.Get () < m_tcb->m_minRtt ? m_lastRtt.Get () : m_tcb->m_minRtt;
NS_LOG_FUNCTION (this << m_lastRtt << m_tcb->m_minRtt);
}
}

1
src/internet/model/tcp-socket-base.h
View File

@@ -186,6 +186,7 @@ public:
bool m_pacing; //!< Pacing status
DataRate m_maxPacingRate; //!< Max Pacing rate
DataRate m_currentPacingRate; //!< Current Pacing rate
Time m_minRtt; //!< Minimum RTT observed throughout the connection
/**
* \brief Get cwnd in segments rather than bytes