|
|
|---|
| 1045 |
m_addressReqTimer[dst].SetArguments (dst); |
1045 |
m_addressReqTimer[dst].SetArguments (dst); |
| 1046 |
RoutingTableEntry rt; |
1046 |
RoutingTableEntry rt; |
| 1047 |
m_routingTable.LookupRoute (dst, rt); |
1047 |
m_routingTable.LookupRoute (dst, rt); |
| 1048 |
Time retry; |
1048 |
Time retry = m_netTraversalTime; |
| 1049 |
if (rt.GetHop () < m_netDiameter) |
1049 |
if (rt.GetHop () < m_netDiameter) |
| 1050 |
{ |
1050 |
{ |
| 1051 |
retry = 2 * m_nodeTraversalTime * (rt.GetHop () + m_timeoutBuffer); |
1051 |
retry = 2 * m_nodeTraversalTime * (rt.GetHop () + m_timeoutBuffer); |
| 1052 |
} |
1052 |
} |
| 1053 |
else |
1053 |
else |
| 1054 |
{ |
1054 |
{ |
| 1055 |
// Binary exponential backoff |
1055 |
if (rt.GetRreqCnt () > 1) |
| 1056 |
retry = std::pow<uint16_t> (2, rt.GetRreqCnt () - 1) * m_netTraversalTime; |
1056 |
{ |
|
|
1057 |
uint16_t backoffFactor = rt.GetRreqCnt () - 1; |
| 1058 |
NS_LOG_LOGIC ("Applying binary exponential backoff factor " << backoffFactor); |
| 1059 |
retry = m_netTraversalTime * (1 << backoffFactor); |
| 1060 |
} |
| 1057 |
} |
1061 |
} |
| 1058 |
m_addressReqTimer[dst].Schedule (retry); |
1062 |
m_addressReqTimer[dst].Schedule (retry); |
| 1059 |
NS_LOG_LOGIC ("Scheduled RREQ retry in " << retry.GetSeconds () << " seconds"); |
1063 |
NS_LOG_LOGIC ("Scheduled RREQ retry in " << retry.GetSeconds () << " seconds"); |