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Inter-packet and Inter-burst gaps are now calculated in nanosecond rather than milliseconds. However, the actual delay is still in milliseconds for all OS as of now.

Browse Source 
Fixes issue 30
This commit is contained in:
Srivats P. 2011-07-18 19:22:32 +05:30
parent 670920afa6
commit b3bc9e36a7
4 changed files with 22 additions and 22 deletions
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24
server/abstractport.cpp
View File

@ -116,7 +116,7 @@ void AbstractPort::updatePacketList()
int len;
bool isVariable;
long sec = 0;
long usec = 0;
long nsec = 0;
qDebug("In %s", __FUNCTION__);
@ -144,7 +144,7 @@ void AbstractPort::updatePacketList()
numPackets = streamList_[i]->burstSize();
if (streamList_[i]->burstRate() > 0)
{
ibg = 1e6/double(streamList_[i]->burstRate());
ibg = 1e9/double(streamList_[i]->burstRate());
ibg1 = ceil(ibg);
ibg2 = floor(ibg);
nb1 = long((ibg - double(ibg2)) * double(numBursts));
@ -156,7 +156,7 @@ void AbstractPort::updatePacketList()
numPackets = streamList_[i]->numPackets();
if (streamList_[i]->packetRate() > 0)
{
ipg = 1e6/double(streamList_[i]->packetRate());
ipg = 1e9/double(streamList_[i]->packetRate());
ipg1 = ceil(ipg);
ipg2 = floor(ipg);
np1 = long((ipg - double(ipg2)) * double(numPackets));
@ -198,24 +198,24 @@ void AbstractPort::updatePacketList()
if (len <= 0)
continue;
qDebug("q(%d, %d, %d) sec = %lu usec = %lu",
i, j, k, sec, usec);
qDebug("q(%d, %d, %d) sec = %lu nsec = %lu",
i, j, k, sec, nsec);
appendToPacketList(sec, usec, pktBuf_, len);
appendToPacketList(sec, nsec, pktBuf_, len);
usec += (k < np1) ? ipg1 : ipg2;
while (usec >= 1000000)
nsec += (k < np1) ? ipg1 : ipg2;
while (nsec >= 1e9)
{
sec++;
usec -= 1000000;
nsec -= 1e9;
}
} // for (numPackets)
usec += (j < nb1) ? ibg1 : ibg2;
while (usec >= 1000000)
nsec += (j < nb1) ? ibg1 : ibg2;
while (nsec >= 1e9)
{
sec++;
usec -= 1000000;
nsec -= 1e9;
}
} // for (numBursts)

4
server/abstractport.h
View File

@ -71,9 +71,9 @@ public:
void setDirty() { isSendQueueDirty_ = true; }
virtual void clearPacketList() = 0;
virtual bool appendToPacketList(long sec, long usec, const uchar *packet,
virtual bool appendToPacketList(long sec, long nsec, const uchar *packet,
int length) = 0;
virtual void setPacketListLoopMode(bool loop, long usecDelay) = 0;
virtual void setPacketListLoopMode(bool loop, long nsecDelay) = 0;
void updatePacketList();
virtual void startTransmit() = 0;

4
server/pcapport.cpp
View File

@ -298,7 +298,7 @@ void PcapPort::PortTransmitter::clearPacketList()
setPacketListLoopMode(false, 0);
}
bool PcapPort::PortTransmitter::appendToPacketList(long sec, long usec,
bool PcapPort::PortTransmitter::appendToPacketList(long sec, long nsec,
const uchar *packet, int length)
{
bool op = true;
@ -307,7 +307,7 @@ bool PcapPort::PortTransmitter::appendToPacketList(long sec, long usec,
pktHdr.caplen = pktHdr.len = length;
pktHdr.ts.tv_sec = sec;
pktHdr.ts.tv_usec = usec;
pktHdr.ts.tv_usec = nsec/1000;
sendQ = sendQueueList_.isEmpty() ? NULL : sendQueueList_.last();

12
server/pcapport.h
View File

@ -42,12 +42,12 @@ public:
transmitter_->clearPacketList();
setPacketListLoopMode(false, 0);
}
virtual bool appendToPacketList(long sec, long usec, const uchar *packet,
virtual bool appendToPacketList(long sec, long nsec, const uchar *packet,
int length) {
return transmitter_->appendToPacketList(sec, usec, packet, length);
return transmitter_->appendToPacketList(sec, nsec, packet, length);
}
virtual void setPacketListLoopMode(bool loop, long usecDelay) {
transmitter_->setPacketListLoopMode(loop, usecDelay);
virtual void setPacketListLoopMode(bool loop, long nsecDelay) {
transmitter_->setPacketListLoopMode(loop, nsecDelay);
}
virtual void startTransmit() {
@ -97,9 +97,9 @@ protected:
void clearPacketList();
bool appendToPacketList(long sec, long usec, const uchar *packet,
int length);
void setPacketListLoopMode(bool loop, long usecDelay) {
void setPacketListLoopMode(bool loop, long nsecDelay) {
returnToQIdx_ = loop ? 0 : -1;
loopDelay_ = usecDelay;
loopDelay_ = nsecDelay/1000;
}
void setHandle(pcap_t *handle);
void useExternalStats(AbstractPort::PortStats *stats);