|
|
|---|
| 97 |
MakeBooleanChecker ()) |
97 |
MakeBooleanChecker ()) |
| 98 |
.AddAttribute ("MinRto", |
98 |
.AddAttribute ("MinRto", |
| 99 |
"Minimum retransmit timeout value", |
99 |
"Minimum retransmit timeout value", |
| 100 |
TimeValue (Seconds (0.2)), // RFC2988 says min RTO=1 sec, but Linux uses 200ms. See http://www.postel.org/pipermail/end2end-interest/2004-November/004402.html |
100 |
TimeValue (Seconds (1.0)), // RFC 6298 says min RTO=1 sec, but Linux uses 200ms. See http://www.postel.org/pipermail/end2end-interest/2004-November/004402.html |
| 101 |
MakeTimeAccessor (&TcpSocketBase::SetMinRto, |
101 |
MakeTimeAccessor (&TcpSocketBase::SetMinRto, |
| 102 |
&TcpSocketBase::GetMinRto), |
102 |
&TcpSocketBase::GetMinRto), |
| 103 |
MakeTimeChecker ()) |
103 |
MakeTimeChecker ()) |
|
|
|---|
| 1713 |
header.SetWindowSize (AdvertisedWindowSize ()); |
1713 |
header.SetWindowSize (AdvertisedWindowSize ()); |
| 1714 |
|
1714 |
|
| 1715 |
// RFC 6298, clause 2.4 |
1715 |
// RFC 6298, clause 2.4 |
| 1716 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), Time::FromDouble (1, Time::S)); |
1716 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), m_minRto); |
| 1717 |
|
1717 |
|
| 1718 |
bool hasSyn = flags & TcpHeader::SYN; |
1718 |
bool hasSyn = flags & TcpHeader::SYN; |
| 1719 |
bool hasFin = flags & TcpHeader::FIN; |
1719 |
bool hasFin = flags & TcpHeader::FIN; |
|
|
|---|
| 2248 |
{ |
2248 |
{ |
| 2249 |
m_rtt->Measurement (m); // Log the measurement |
2249 |
m_rtt->Measurement (m); // Log the measurement |
| 2250 |
// RFC 6298, clause 2.4 |
2250 |
// RFC 6298, clause 2.4 |
| 2251 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), Time::FromDouble (1, Time::S)); |
2251 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), m_minRto); |
| 2252 |
m_lastRtt = m_rtt->GetEstimate (); |
2252 |
m_lastRtt = m_rtt->GetEstimate (); |
| 2253 |
NS_LOG_FUNCTION(this << m_lastRtt); |
2253 |
NS_LOG_FUNCTION(this << m_lastRtt); |
| 2254 |
} |
2254 |
} |
|
|
|---|
| 2269 |
m_retxEvent.Cancel (); |
2269 |
m_retxEvent.Cancel (); |
| 2270 |
// On receiving a "New" ack we restart retransmission timer .. RFC 6298 |
2270 |
// On receiving a "New" ack we restart retransmission timer .. RFC 6298 |
| 2271 |
// RFC 6298, clause 2.4 |
2271 |
// RFC 6298, clause 2.4 |
| 2272 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), Time::FromDouble (1, Time::S)); |
2272 |
m_rto = Max (m_rtt->GetEstimate () + Max (m_clockGranularity, m_rtt->GetVariation ()*4), m_minRto); |
| 2273 |
|
2273 |
|
| 2274 |
NS_LOG_LOGIC (this << " Schedule ReTxTimeout at time " << |
2274 |
NS_LOG_LOGIC (this << " Schedule ReTxTimeout at time " << |
| 2275 |
Simulator::Now ().GetSeconds () << " to expire at time " << |
2275 |
Simulator::Now ().GetSeconds () << " to expire at time " << |