forked from quic-go/quic-go
e087ee7e9f
In IETF QUIC, stream 0 is a valid stream ID, and is not used to encode WINDOW_UPDATEs for the connection any more.
30 lines
1.3 KiB
Go
30 lines
1.3 KiB
Go
package flowcontrol
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import "github.com/lucas-clemente/quic-go/internal/protocol"
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import "github.com/lucas-clemente/quic-go/internal/handshake"
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// WindowUpdate provides the data for WindowUpdateFrames.
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type WindowUpdate struct {
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StreamID protocol.StreamID
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Offset protocol.ByteCount
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}
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// A FlowControlManager manages the flow control
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type FlowControlManager interface {
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NewStream(streamID protocol.StreamID, contributesToConnectionFlow bool)
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RemoveStream(streamID protocol.StreamID)
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UpdateTransportParameters(*handshake.TransportParameters)
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// methods needed for receiving data
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ResetStream(streamID protocol.StreamID, byteOffset protocol.ByteCount) error
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UpdateHighestReceived(streamID protocol.StreamID, byteOffset protocol.ByteCount) error
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AddBytesRead(streamID protocol.StreamID, n protocol.ByteCount) error
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GetWindowUpdates() []WindowUpdate
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GetReceiveWindow(streamID protocol.StreamID) (protocol.ByteCount, error)
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// methods needed for sending data
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AddBytesSent(streamID protocol.StreamID, n protocol.ByteCount) error
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SendWindowSize(streamID protocol.StreamID) (protocol.ByteCount, error)
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RemainingConnectionWindowSize() protocol.ByteCount
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UpdateStreamWindow(streamID protocol.StreamID, offset protocol.ByteCount) (bool, error)
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UpdateConnectionWindow(offset protocol.ByteCount) bool
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}
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