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https://github.com/refraction-networking/uquic.git
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54 lines
2.6 KiB
Go
54 lines
2.6 KiB
Go
package protocol
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import "time"
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// MaxCongestionWindow is the maximum size of the CWND, in packets.
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// TODO: Unused?
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const MaxCongestionWindow PacketNumber = 200
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// DefaultMaxCongestionWindow is the default for the max congestion window
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// Taken from Chrome
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const DefaultMaxCongestionWindow PacketNumber = 107
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// InitialCongestionWindow is the initial congestion window in QUIC packets
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const InitialCongestionWindow PacketNumber = 32
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// MaxUndecryptablePackets limits the number of undecryptable packets that a
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// session queues for later until it sends a public reset.
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const MaxUndecryptablePackets = 10
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// SmallPacketPayloadSizeThreshold defines a threshold for small packets
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// if the packet payload size (i.e. the packet without public header and private header) is below SmallPacketSizeThreshold, sending will be delayed by SmallPacketSendDelay
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const SmallPacketPayloadSizeThreshold = MaxPacketSize / 2
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// SmallPacketSendDelay is the time delay applied to small packets
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const SmallPacketSendDelay = 500 * time.Microsecond
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// ReceiveStreamFlowControlWindow is the stream-level flow control window for receiving data
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// TODO: set a reasonable value here
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const ReceiveStreamFlowControlWindow ByteCount = (1 << 20) // 1 MB
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// ReceiveStreamFlowControlWindowIncrement is the amount that the stream-level flow control window is increased when sending a WindowUpdate
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const ReceiveStreamFlowControlWindowIncrement = ReceiveStreamFlowControlWindow
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// ReceiveConnectionFlowControlWindow is the stream-level flow control window for receiving data
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// temporarily set this to a very high value, until proper connection-level flow control is implemented
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// TODO: set a reasonable value here
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const ReceiveConnectionFlowControlWindow ByteCount = (1 << 20) * 1024 * 2 // 2 GB
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// MaxStreamsPerConnection is the maximum value accepted for the number of streams per connection
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// TODO: set a reasonable value here
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const MaxStreamsPerConnection uint32 = 100
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// MaxIdleConnectionStateLifetime is the maximum value accepted for the idle connection state lifetime
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// TODO: set a reasonable value here
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const MaxIdleConnectionStateLifetime = 60 * time.Second
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// WindowUpdateThreshold is the size of the receive flow control window for which we send out a WindowUpdate frame
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const WindowUpdateThreshold = ReceiveStreamFlowControlWindow / 2
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// WindowUpdateNumRepitions is the number of times the same WindowUpdate frame will be sent to the client
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const WindowUpdateNumRepitions uint8 = 2
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// MaxSessionUnprocessedPackets is the max number of packets stored in each session that are not yet processed.
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const MaxSessionUnprocessedPackets = 128
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