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Merge pull request #494 from Arceliar/bufpersession

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Per-session front-dropping buffers for incoming traffic
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Arceliar 2019-08-07 18:15:20 -05:00 committed by GitHub
commit ae05683c73
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 2 deletions
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30
src/yggdrasil/session.go
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@ -508,6 +508,32 @@ func (sinfo *sessionInfo) recvWorker() {
util.WorkerGo(poolFunc)
callbacks = append(callbacks, ch)
}
fromHelper := make(chan wire_trafficPacket, 1)
go func() {
var buf []wire_trafficPacket
for {
for len(buf) > 0 {
select {
case <-sinfo.cancel.Finished():
return
case p := <-sinfo.fromRouter:
buf = append(buf, p)
for len(buf) > 64 { // Based on nonce window size
util.PutBytes(buf[0].Payload)
buf = buf[1:]
}
case fromHelper <- buf[0]:
buf = buf[1:]
}
}
select {
case <-sinfo.cancel.Finished():
return
case p := <-sinfo.fromRouter:
buf = append(buf, p)
}
}
}()
for {
for len(callbacks) > 0 {
select {
@ -516,14 +542,14 @@ func (sinfo *sessionInfo) recvWorker() {
f()
case <-sinfo.cancel.Finished():
return
case p := <-sinfo.fromRouter:
case p := <-fromHelper:
doRecv(p)
}
}
select {
case <-sinfo.cancel.Finished():
return
case p := <-sinfo.fromRouter:
case p := <-fromHelper:
doRecv(p)
}
}