void
PipelineInterests::handleData(const Interest& interest, const Data& data)
{
BOOST_ASSERT(data.getName().equals(interest.getName()));
uint64_t recv_segno = data.getName()[-1].toSegment();
if (m_highData < recv_segno) {
m_highData = recv_segno;
}
shared_ptr<SegmentInfo> seg_info = m_segmentInfoMap[recv_segno];
BOOST_ASSERT(seg_info != nullptr);
if (seg_info->state == retransmitReceived) {
m_segmentInfoMap.erase(recv_segno);
return; // ignore already-received segment
}
if (m_options.isVerbose) {
duration_in_ms rtt = time::steady_clock::now() - seg_info->timeSent;
std::cerr << "Received the segment #" << recv_segno
<< ", rtt=" << rtt.count() << "ms"
<< ", rto=" << seg_info->rto << "ms" << std::endl;
}
// for segments in retransmission queue, no need to decrement m_inFligh since
// it's already been decremented when segments timed out.
if (seg_info->state != inRetxQueue && m_inFlight > 0) {
m_inFlight--;
}
m_numOfSegmentReceived++;
adjustCwnd();
m_onData(interest, data);
if (seg_info->state == firstTimeSent ||
seg_info->state == inRetxQueue) { // donot sample RTT for retransmitted segments
m_rttEstimator.rttMeasurement(recv_segno, seg_info->timeSent, seg_info->rto);
m_segmentInfoMap.erase(recv_segno); // remove the entry associated with the received segment
}
else { // retransmission
seg_info->state = retransmitReceived;
}
if (allSegmentsReceived() == true) {
printSummary();
if (m_options.keepStats) {
writeStats();
m_rttEstimator.writeStats();
}
cancel();
}
else {
schedulePackets();
}
}
uint32_t ESP8266::checkIPD(String& data)
{
//Serial.print("### check: ");
//Serial.println(data);
int32_t index_PIPDcomma = -1;
int32_t index_colon = -1; /* : */
int32_t index_comma = -1; /* , */
int32_t len = -1;
int8_t id = -1;
{ // Just for easier diffing
index_PIPDcomma = data.indexOf("+IPD,");
if (index_PIPDcomma != -1) {
index_colon = data.indexOf(':', index_PIPDcomma + 5);
if (index_colon != -1) {
index_comma = data.indexOf(',', index_PIPDcomma + 5);
/* +IPD,id,len:data */
if (index_comma != -1 && index_comma < index_colon) {
id = data.substring(index_PIPDcomma + 5, index_comma).toInt();
if (id < 0 || id > 4) {
return 0;
}
len = data.substring(index_comma + 1, index_colon).toInt();
if (len <= 0) {
return 0;
}
} else { /* +IPD,len:data */
len = data.substring(index_PIPDcomma + 5, index_colon).toInt();
if (len <= 0) {
return 0;
}
}
if (m_onData) {
m_onData(id, len, m_onDataPtr);
}
return len;
}
}
}
return 0;
}
void
PipelineInterests::handleDataFirstSegment(const Interest& interest, const Data& data)
{
BOOST_ASSERT(data.getName().equals(interest.getName()));
uint64_t recv_segno = data.getName()[-1].toSegment();
if (m_highData < recv_segno) {
m_highData = recv_segno; // record the highest segment number of data received so far
}
m_segmentSize = data.getContent().value_size(); // get segment size
shared_ptr<SegmentInfo> seg_info = m_segmentInfoMap[recv_segno];
if (m_options.isVerbose) {
duration_in_ms rtt = time::steady_clock::now() - seg_info->timeSent;
std::cerr << "Received the first segment #" << recv_segno
<< ", rtt=" << rtt.count() << "ms"
<< ", rto=" << seg_info->rto << "ms" << std::endl;
}
// initiate RTT measurement
m_rttEstimator.rttMeasurementFirstTime(recv_segno,
seg_info->timeSent,
seg_info->rto);
m_onData(interest, data);
if (m_inFlight > 0) m_inFlight--;
m_numOfSegmentReceived++;
m_segmentInfoMap.erase(recv_segno);
adjustCwnd();
if (allSegmentsReceived() == true)
cancel();
else
schedulePackets();
}
