37 lines
844 B
Go
37 lines
844 B
Go
package ackhandler
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import "github.com/lucas-clemente/quic-go/internal/wire"
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// Returns a new slice with all non-retransmittable frames deleted.
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func stripNonRetransmittableFrames(fs []wire.Frame) []wire.Frame {
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res := make([]wire.Frame, 0, len(fs))
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for _, f := range fs {
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if IsFrameRetransmittable(f) {
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res = append(res, f)
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}
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}
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return res
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}
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// IsFrameRetransmittable returns true if the frame should be retransmitted.
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func IsFrameRetransmittable(f wire.Frame) bool {
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switch f.(type) {
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case *wire.StopWaitingFrame:
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return false
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case *wire.AckFrame:
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return false
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default:
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return true
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}
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}
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// HasRetransmittableFrames returns true if at least one frame is retransmittable.
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func HasRetransmittableFrames(fs []wire.Frame) bool {
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for _, f := range fs {
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if IsFrameRetransmittable(f) {
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return true
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}
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}
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return false
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}
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