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41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
package quic
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import (
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"io"
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"github.com/lucas-clemente/quic-go/internal/flowcontrol"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/lucas-clemente/quic-go/internal/wire"
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)
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type cryptoStreamI interface {
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StreamID() protocol.StreamID
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io.Reader
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io.Writer
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handleStreamFrame(*wire.StreamFrame) error
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popStreamFrame(protocol.ByteCount) (*wire.StreamFrame, bool)
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closeForShutdown(error)
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setReadOffset(protocol.ByteCount)
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// methods needed for flow control
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getWindowUpdate() protocol.ByteCount
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handleMaxStreamDataFrame(*wire.MaxStreamDataFrame)
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}
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type cryptoStream struct {
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*stream
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}
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var _ cryptoStreamI = &cryptoStream{}
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func newCryptoStream(sender streamSender, flowController flowcontrol.StreamFlowController, version protocol.VersionNumber) cryptoStreamI {
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str := newStream(version.CryptoStreamID(), sender, flowController, version)
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return &cryptoStream{str}
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}
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// SetReadOffset sets the read offset.
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// It is only needed for the crypto stream.
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// It must not be called concurrently with any other stream methods, especially Read and Write.
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func (s *cryptoStream) setReadOffset(offset protocol.ByteCount) {
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s.receiveStream.readOffset = offset
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s.receiveStream.frameQueue.readPosition = offset
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}
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