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never send a value larger than 2^60 in MAX_STREAMS frames

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This commit is contained in:
Marten Seemann 2020-08-11 10:19:31 +07:00
parent d7c2169c55
commit 3c62c48fca
4 changed files with 71 additions and 23 deletions
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15
streams_map_incoming_uni.go
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@ -159,12 +159,15 @@ func (m *incomingUniStreamsMap) deleteStream(num protocol.StreamNum) error {
delete(m.streams, num)
// queue a MAX_STREAM_ID frame, giving the peer the option to open a new stream
if m.maxNumStreams > uint64(len(m.streams)) {
numNewStreams := m.maxNumStreams - uint64(len(m.streams))
m.maxStream = m.nextStreamToOpen + protocol.StreamNum(numNewStreams) - 1
m.queueMaxStreamID(&wire.MaxStreamsFrame{
Type: protocol.StreamTypeUni,
MaxStreamNum: m.maxStream,
})
maxStream := m.nextStreamToOpen + protocol.StreamNum(m.maxNumStreams-uint64(len(m.streams))) - 1
// Never send a value larger than protocol.MaxStreamCount.
if maxStream <= protocol.MaxStreamCount {
m.maxStream = maxStream
m.queueMaxStreamID(&wire.MaxStreamsFrame{
Type: protocol.StreamTypeUni,
MaxStreamNum: m.maxStream,
})
}
}
return nil
}