ns2ノート

本日の試し：

sctp.cc & sctp.h 内部に使っているspDestのdSrttの計算式は杉山計算式と同じ。つまり、そのまま使える。自分で作る必要はない。

sctp-cmt.cc

L2751 - ( In SctpCMTAgent::ProcessChunk() after CMT Change BLOCK )
...
/****** End CMT Change ******/
Boolean_E eThisDestWasUnconfirmed = FALSE;
Boolean_E eFoundUnconfirmedDest = FALSE;

  /****** Begin Sugi Code ******/
  /* This code is for MAX=2 transfor path. If there are more than 2, 
     You have to rewrite the algorithm. */
  double dSrttArray[2]; // SRTT Array. For Saving the SRTTs from NODEs
  int iSrttCount = 0; // NODE Counter;

  for(spCurrNode = sDestList.spHead;
    spCurrNode != NULL;
    spCurrNode = spCurrNode->spNext)
  {
    spCurrDest = (SctpDest_S *) spCurrNode->vpData;
    dSrttArray[iSrttCount] = spCurrDest->dSrtt;
    iSrttCount++;
  }

  if(iSrttCount == 2){
    printf("DEBUG:There are two SRTT!!\n");
    double dDeltaSrtt = dSrttArray[0] - dSrttArray[1];
    if(dDeltaSrtt < 0) dDeltaSrtt *= -1.0;
    if(0.01 < dDeltaSrtt && dDeltaSrtt < 0.03)
    {
      eUseCmtDelAck = TRUE;
      eUseCmtPF = TRUE;
    }
    else
    {
      eUseCmtDelAck = FALSE;
      eUseCmtPF = FALSE;
    }
  }
  
  /****** End Sugi Code ******/

  switch(eState)
...