mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-30 22:34:15 -05:00
dfbc2e81e3
quic-go now vendors all of its dependencies, so we don't need to vendor them here. Created by running: gvt delete github.com/lucas-clemente/quic-go gvt delete github.com/bifurcation/mint gvt delete github.com/lucas-clemente/aes12 gvt delete github.com/lucas-clemente/fnv128a gvt delete github.com/lucas-clemente/quic-go-certificates gvt delete github.com/aead/chacha20 gvt delete github.com/hashicorp/golang-lru gvt fetch -tag v0.10.0-no-integrationtests github.com/lucas-clemente/quic-go
90 lines
3.1 KiB
Go
90 lines
3.1 KiB
Go
package protocol
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
// A PacketNumber in QUIC
|
|
type PacketNumber uint64
|
|
|
|
// PacketNumberLen is the length of the packet number in bytes
|
|
type PacketNumberLen uint8
|
|
|
|
const (
|
|
// PacketNumberLenInvalid is the default value and not a valid length for a packet number
|
|
PacketNumberLenInvalid PacketNumberLen = 0
|
|
// PacketNumberLen1 is a packet number length of 1 byte
|
|
PacketNumberLen1 PacketNumberLen = 1
|
|
// PacketNumberLen2 is a packet number length of 2 bytes
|
|
PacketNumberLen2 PacketNumberLen = 2
|
|
// PacketNumberLen4 is a packet number length of 4 bytes
|
|
PacketNumberLen4 PacketNumberLen = 4
|
|
// PacketNumberLen6 is a packet number length of 6 bytes
|
|
PacketNumberLen6 PacketNumberLen = 6
|
|
)
|
|
|
|
// The PacketType is the Long Header Type (only used for the IETF draft header format)
|
|
type PacketType uint8
|
|
|
|
const (
|
|
// PacketTypeInitial is the packet type of an Initial packet
|
|
PacketTypeInitial PacketType = 0x7f
|
|
// PacketTypeRetry is the packet type of a Retry packet
|
|
PacketTypeRetry PacketType = 0x7e
|
|
// PacketTypeHandshake is the packet type of a Handshake packet
|
|
PacketTypeHandshake PacketType = 0x7d
|
|
// PacketType0RTT is the packet type of a 0-RTT packet
|
|
PacketType0RTT PacketType = 0x7c
|
|
)
|
|
|
|
func (t PacketType) String() string {
|
|
switch t {
|
|
case PacketTypeInitial:
|
|
return "Initial"
|
|
case PacketTypeRetry:
|
|
return "Retry"
|
|
case PacketTypeHandshake:
|
|
return "Handshake"
|
|
case PacketType0RTT:
|
|
return "0-RTT Protected"
|
|
default:
|
|
return fmt.Sprintf("unknown packet type: %d", t)
|
|
}
|
|
}
|
|
|
|
// A ByteCount in QUIC
|
|
type ByteCount uint64
|
|
|
|
// MaxByteCount is the maximum value of a ByteCount
|
|
const MaxByteCount = ByteCount(1<<62 - 1)
|
|
|
|
// An ApplicationErrorCode is an application-defined error code.
|
|
type ApplicationErrorCode uint16
|
|
|
|
// MaxReceivePacketSize maximum packet size of any QUIC packet, based on
|
|
// ethernet's max size, minus the IP and UDP headers. IPv6 has a 40 byte header,
|
|
// UDP adds an additional 8 bytes. This is a total overhead of 48 bytes.
|
|
// Ethernet's max packet size is 1500 bytes, 1500 - 48 = 1452.
|
|
const MaxReceivePacketSize ByteCount = 1452
|
|
|
|
// DefaultTCPMSS is the default maximum packet size used in the Linux TCP implementation.
|
|
// Used in QUIC for congestion window computations in bytes.
|
|
const DefaultTCPMSS ByteCount = 1460
|
|
|
|
// MinClientHelloSize is the minimum size the server expects an inchoate CHLO to have (in gQUIC)
|
|
const MinClientHelloSize = 1024
|
|
|
|
// MinInitialPacketSize is the minimum size an Initial packet (in IETF QUIC) is required to have.
|
|
const MinInitialPacketSize = 1200
|
|
|
|
// MaxClientHellos is the maximum number of times we'll send a client hello
|
|
// The value 3 accounts for:
|
|
// * one failure due to an incorrect or missing source-address token
|
|
// * one failure due the server's certificate chain being unavailable and the server being unwilling to send it without a valid source-address token
|
|
const MaxClientHellos = 3
|
|
|
|
// ConnectionIDLenGQUIC is the length of the source Connection ID used on gQUIC QUIC packets.
|
|
const ConnectionIDLenGQUIC = 8
|
|
|
|
// MinConnectionIDLenInitial is the minimum length of the destination connection ID on an Initial packet.
|
|
const MinConnectionIDLenInitial = 8
|