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implement sending of STREAM_ID_BLOCKED frames

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This commit is contained in:
Marten Seemann 2018-02-05 16:03:02 +08:00
parent 4f364a7c24
commit 1ec720f2f2
8 changed files with 120 additions and 26 deletions
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27
streams_map_outgoing_uni.go
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@ -9,6 +9,7 @@ import (
"sync"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/wire"
"github.com/lucas-clemente/quic-go/qerr"
)
@ -18,18 +19,26 @@ type outgoingUniStreamsMap struct {
streams map[protocol.StreamID]sendStreamI
nextStream protocol.StreamID
maxStream protocol.StreamID
newStream func(protocol.StreamID) sendStreamI
nextStream protocol.StreamID // stream ID of the stream returned by OpenStream(Sync)
maxStream protocol.StreamID // the maximum stream ID we're allowed to open
highestBlocked protocol.StreamID // the highest stream ID that we queued a STREAM_ID_BLOCKED frame for
newStream func(protocol.StreamID) sendStreamI
queueStreamIDBlocked func(*wire.StreamIDBlockedFrame)
closeErr error
}
func newOutgoingUniStreamsMap(nextStream protocol.StreamID, newStream func(protocol.StreamID) sendStreamI) *outgoingUniStreamsMap {
func newOutgoingUniStreamsMap(
nextStream protocol.StreamID,
newStream func(protocol.StreamID) sendStreamI,
queueControlFrame func(wire.Frame),
) *outgoingUniStreamsMap {
m := &outgoingUniStreamsMap{
streams: make(map[protocol.StreamID]sendStreamI),
nextStream: nextStream,
newStream: newStream,
streams: make(map[protocol.StreamID]sendStreamI),
nextStream: nextStream,
newStream: newStream,
queueStreamIDBlocked: func(f *wire.StreamIDBlockedFrame) { queueControlFrame(f) },
}
m.cond.L = &m.mutex
return m
@ -63,6 +72,10 @@ func (m *outgoingUniStreamsMap) openStreamImpl() (sendStreamI, error) {
return nil, m.closeErr
}
if m.nextStream > m.maxStream {
if m.maxStream == 0 || m.highestBlocked < m.maxStream {
m.queueStreamIDBlocked(&wire.StreamIDBlockedFrame{StreamID: m.maxStream})
m.highestBlocked = m.maxStream
}
return nil, qerr.TooManyOpenStreams
}
s := m.newStream(m.nextStream)