mirrors/uquic
1
0
Fork 0
mirror of https://github.com/refraction-networking/uquic.git synced 2025-04-04 12:47:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

remove the flow control manager

Browse source
This commit is contained in:
Marten Seemann 2017-10-17 11:14:58 +07:00
parent 6dc453caa3
commit 268c3859fc
25 changed files with 1710 additions and 1942 deletions
Download patch file Download diff file Expand all files Collapse all files

52
internal/flowcontrol/interface.go
View file

@ -1,29 +1,37 @@
package flowcontrol
import "github.com/lucas-clemente/quic-go/internal/protocol"
import "github.com/lucas-clemente/quic-go/internal/handshake"
// WindowUpdate provides the data for WindowUpdateFrames.
type WindowUpdate struct {
StreamID protocol.StreamID
Offset protocol.ByteCount
type flowController interface {
// for sending
SendWindowSize() protocol.ByteCount
IsBlocked() bool
UpdateSendWindow(protocol.ByteCount)
AddBytesSent(protocol.ByteCount)
// for receiving
AddBytesRead(protocol.ByteCount)
GetWindowUpdate() protocol.ByteCount // returns 0 if no update is necessary
}
// A FlowControlManager manages the flow control
type FlowControlManager interface {
NewStream(streamID protocol.StreamID, contributesToConnectionFlow bool)
RemoveStream(streamID protocol.StreamID)
UpdateTransportParameters(*handshake.TransportParameters)
// methods needed for receiving data
ResetStream(streamID protocol.StreamID, byteOffset protocol.ByteCount) error
UpdateHighestReceived(streamID protocol.StreamID, byteOffset protocol.ByteCount) error
AddBytesRead(streamID protocol.StreamID, n protocol.ByteCount) error
GetWindowUpdates() []WindowUpdate
GetReceiveWindow(streamID protocol.StreamID) (protocol.ByteCount, error)
// methods needed for sending data
AddBytesSent(streamID protocol.StreamID, n protocol.ByteCount) error
SendWindowSize(streamID protocol.StreamID) (protocol.ByteCount, error)
RemainingConnectionWindowSize() protocol.ByteCount
UpdateStreamWindow(streamID protocol.StreamID, offset protocol.ByteCount) (bool, error)
UpdateConnectionWindow(offset protocol.ByteCount) bool
// A StreamFlowController is a flow controller for a QUIC stream.
type StreamFlowController interface {
flowController
// for receiving
// UpdateHighestReceived should be called when a new highest offset is received
// final has to be to true if this is the final offset of the stream, as contained in a STREAM frame with FIN bit, and the RST_STREAM frame
UpdateHighestReceived(offset protocol.ByteCount, final bool) error
}
// The ConnectionFlowController is the flow controller for the connection.
type ConnectionFlowController interface {
flowController
}
type connectionFlowControllerI interface {
ConnectionFlowController
// The following two methods are not supposed to be called from outside this packet, but are needed internally
// for sending
EnsureMinimumWindowIncrement(protocol.ByteCount)
// for receiving
IncrementHighestReceived(protocol.ByteCount) error
}