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authormichele papalini <micpapal@cisco.com>2019-10-31 13:19:08 +0100
committermichele papalini <micpapal@cisco.com>2019-10-31 13:19:08 +0100
commit8259480129f8911e7c4085dea9876c61bc59314f (patch)
treeff88c63f95048f6c7c1a693e0c266074161d1393
parentaf6553e2bea9dc7210fa11c7b7b0473e0c59de3d (diff)
[HICN-361] speed up the socket start up
Signed-off-by: michele papalini <micpapal@cisco.com> Change-Id: Id8f59c9c52d7c1fa21edbae9ee1b965b25fe6800
-rw-r--r--libtransport/src/hicn/transport/protocols/rtc.cc47
1 files changed, 31 insertions, 16 deletions
diff --git a/libtransport/src/hicn/transport/protocols/rtc.cc b/libtransport/src/hicn/transport/protocols/rtc.cc
index 3edd90725..1a3511003 100644
--- a/libtransport/src/hicn/transport/protocols/rtc.cc
+++ b/libtransport/src/hicn/transport/protocols/rtc.cc
@@ -46,6 +46,7 @@ RTCTransportProtocol::~RTCTransportProtocol() {
int RTCTransportProtocol::start() {
probeRtt();
+ sentinelTimer();
newRound();
return TransportProtocol::start();
}
@@ -65,6 +66,7 @@ void RTCTransportProtocol::resume() {
inflightInterestsCount_ = 0;
probeRtt();
+ sentinelTimer();
newRound();
scheduleNextInterests();
@@ -231,11 +233,6 @@ void RTCTransportProtocol::updateStats(uint32_t round_duration) {
pathTable_.find(producerPathLabels_[1]) == pathTable_.end())
return; // this should not happen
- //set sentinel timer if needed
- if(rounds_ == 0){
- sentinelTimer();
- }
-
// as a queuing delay we keep the lowest one among the two paths
// if one path is congested the forwarder should decide to do not
// use it so it does not make sense to inform the application
@@ -508,24 +505,43 @@ void RTCTransportProtocol::scheduleNextInterests() {
}
void RTCTransportProtocol::sentinelTimer(){
- uint32_t wait = 1;
- if(pathTable_.find(producerPathLabels_[0]) != pathTable_.end()){
- wait = round(
- pathTable_[producerPathLabels_[0]]->getInterArrivalGap());
+ uint32_t wait = 10;
+
+ if(pathTable_.find(producerPathLabels_[0]) != pathTable_.end() &&
+ pathTable_.find(producerPathLabels_[1]) != pathTable_.end()){
+ //we have all the info to set the timers
+ wait = round(pathTable_[producerPathLabels_[0]]->getInterArrivalGap());
+ if(wait == 0)
+ wait = 1;
}
- if(wait == 0)
- wait = 1;
sentinel_timer_->expires_from_now(std::chrono::milliseconds(wait));
sentinel_timer_->async_wait([this](std::error_code ec) {
+
if (ec) return;
- uint64_t now = std::chrono::duration_cast<std::chrono::milliseconds>(
+
+ uint64_t now = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch())
.count();
- if(pathTable_.find(producerPathLabels_[0]) != pathTable_.end() ||
- pathTable_.find(producerPathLabels_[1]) != pathTable_.end()){
+ if(pathTable_.find(producerPathLabels_[0]) == pathTable_.end() ||
+ pathTable_.find(producerPathLabels_[1]) == pathTable_.end()){
+ //we have no info, so we send again
+ for(auto it = packets_in_window_.begin();
+ it != packets_in_window_.end(); it++){
+ uint32_t pkt = it->first & modMask_;
+ if (inflightInterests_[pkt].sequence == it->first) {
+ inflightInterests_[pkt].transmissionTime = now;
+ Name *interest_name = nullptr;
+ socket_->getSocketOption(GeneralTransportOptions::NETWORK_NAME,
+ &interest_name);
+ interest_name->setSuffix(it->first);
+ it->second++;
+ sendInterest(interest_name, true);
+ }
+ }
+ }else{
uint64_t max_waiting_time =
round((pathTable_[producerPathLabels_[1]]->getMinRtt() -
pathTable_[producerPathLabels_[0]]->getMinRtt()) +
@@ -552,12 +568,11 @@ void RTCTransportProtocol::sentinelTimer(){
}
}
}
- }//esle not enough info to resend the packet, schedule the timer agian
+ }
sentinelTimer();
});
}
-
void RTCTransportProtocol::addRetransmissions(uint32_t val) {
// add only val in the rtx list
addRetransmissions(val, val + 1);