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|---|
| 160 |
void TcpHtcp::UpdateBeta (void) |
160 |
void TcpHtcp::UpdateBeta (void) |
| 161 |
{ |
161 |
{ |
| 162 |
NS_LOG_FUNCTION (this); |
162 |
NS_LOG_FUNCTION (this); |
| 163 |
if (m_lastThroughput > 0) |
163 |
|
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|
164 |
// Default value for m_beta |
| 165 |
m_beta = m_defaultBackoff; |
| 166 |
|
| 167 |
if (m_throughput > m_lastThroughput && m_lastThroughput > 0) |
| 164 |
{ |
168 |
{ |
| 165 |
if (((m_throughput - m_lastThroughput) / m_lastThroughput) > m_throughputRatio) |
169 |
uint32_t diff = m_throughput - m_lastThroughput; |
| 166 |
{ |
170 |
if (diff / m_lastThroughput <= m_throughputRatio) |
| 167 |
m_beta = m_defaultBackoff; |
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|
| 168 |
} |
| 169 |
else |
| 170 |
{ |
171 |
{ |
| 171 |
m_beta = m_minRtt.GetDouble () / m_maxRtt.GetDouble (); |
172 |
m_beta = m_minRtt.GetDouble () / m_maxRtt.GetDouble (); |
| 172 |
} |
173 |
} |
| 173 |
} |
174 |
} |
| 174 |
else |
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|
| 175 |
{ |
| 176 |
m_beta = m_defaultBackoff; |
| 177 |
} |
| 178 |
NS_LOG_DEBUG ("Updated m_beta: " << m_beta); |
175 |
NS_LOG_DEBUG ("Updated m_beta: " << m_beta); |
| 179 |
} |
176 |
} |
| 180 |
|
177 |
|