admin/kubesphere
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix application bug

Browse Source
This commit is contained in:
Jeff
2019-05-13 11:19:18 +08:00
committed by zryfish
parent 996d6fe4c5
commit 5462f51e65
717 changed files with 87703 additions and 53426 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
vendor/github.com/lucas-clemente/quic-go/internal/protocol/packet_number.go generated vendored
View File

@@ -1,24 +1,37 @@
package protocol
// InferPacketNumber calculates the packet number based on the received packet number, its length and the last seen packet number
func InferPacketNumber(
// 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
// PacketNumberLen3 is a packet number length of 3 bytes
PacketNumberLen3 PacketNumberLen = 3
// PacketNumberLen4 is a packet number length of 4 bytes
PacketNumberLen4 PacketNumberLen = 4
)
// DecodePacketNumber calculates the packet number based on the received packet number, its length and the last seen packet number
func DecodePacketNumber(
packetNumberLength PacketNumberLen,
lastPacketNumber PacketNumber,
wirePacketNumber PacketNumber,
version VersionNumber,
) PacketNumber {
var epochDelta PacketNumber
if version.UsesVarintPacketNumbers() {
switch packetNumberLength {
case PacketNumberLen1:
epochDelta = PacketNumber(1) << 7
case PacketNumberLen2:
epochDelta = PacketNumber(1) << 14
case PacketNumberLen4:
epochDelta = PacketNumber(1) << 30
}
} else {
epochDelta = PacketNumber(1) << (uint8(packetNumberLength) * 8)
switch packetNumberLength {
case PacketNumberLen1:
epochDelta = PacketNumber(1) << 8
case PacketNumberLen2:
epochDelta = PacketNumber(1) << 16
case PacketNumberLen3:
epochDelta = PacketNumber(1) << 24
case PacketNumberLen4:
epochDelta = PacketNumber(1) << 32
}
epoch := lastPacketNumber & ^(epochDelta - 1)
prevEpochBegin := epoch - epochDelta
@@ -46,12 +59,14 @@ func delta(a, b PacketNumber) PacketNumber {
// GetPacketNumberLengthForHeader gets the length of the packet number for the public header
// it never chooses a PacketNumberLen of 1 byte, since this is too short under certain circumstances
func GetPacketNumberLengthForHeader(packetNumber, leastUnacked PacketNumber, version VersionNumber) PacketNumberLen {
func GetPacketNumberLengthForHeader(packetNumber, leastUnacked PacketNumber) PacketNumberLen {
diff := uint64(packetNumber - leastUnacked)
if version.UsesVarintPacketNumbers() && diff < (1<<(14-1)) ||
!version.UsesVarintPacketNumbers() && diff < (1<<(16-1)) {
if diff < (1 << (16 - 1)) {
return PacketNumberLen2
}
if diff < (1 << (24 - 1)) {
return PacketNumberLen3
}
return PacketNumberLen4
}
@@ -63,8 +78,8 @@ func GetPacketNumberLength(packetNumber PacketNumber) PacketNumberLen {
if packetNumber < (1 << (uint8(PacketNumberLen2) * 8)) {
return PacketNumberLen2
}
if packetNumber < (1 << (uint8(PacketNumberLen4) * 8)) {
return PacketNumberLen4
if packetNumber < (1 << (uint8(PacketNumberLen3) * 8)) {
return PacketNumberLen3
}
return PacketNumberLen6
return PacketNumberLen4
}