171 lines
2.8 KiB
Go
171 lines
2.8 KiB
Go
package utils
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import (
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"math"
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"time"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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)
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// InfDuration is a duration of infinite length
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const InfDuration = time.Duration(math.MaxInt64)
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// Max returns the maximum of two Ints
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func Max(a, b int) int {
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if a < b {
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return b
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}
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return a
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}
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// MaxUint32 returns the maximum of two uint32
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func MaxUint32(a, b uint32) uint32 {
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if a < b {
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return b
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}
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return a
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}
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// MaxUint64 returns the maximum of two uint64
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func MaxUint64(a, b uint64) uint64 {
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if a < b {
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return b
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}
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return a
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}
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// MinUint64 returns the maximum of two uint64
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func MinUint64(a, b uint64) uint64 {
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if a < b {
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return a
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}
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return b
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}
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// Min returns the minimum of two Ints
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func Min(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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// MinUint32 returns the maximum of two uint32
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func MinUint32(a, b uint32) uint32 {
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if a < b {
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return a
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}
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return b
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}
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// MinInt64 returns the minimum of two int64
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func MinInt64(a, b int64) int64 {
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if a < b {
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return a
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}
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return b
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}
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// MaxInt64 returns the minimum of two int64
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func MaxInt64(a, b int64) int64 {
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if a > b {
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return a
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}
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return b
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}
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// MinByteCount returns the minimum of two ByteCounts
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func MinByteCount(a, b protocol.ByteCount) protocol.ByteCount {
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if a < b {
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return a
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}
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return b
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}
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// MaxByteCount returns the maximum of two ByteCounts
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func MaxByteCount(a, b protocol.ByteCount) protocol.ByteCount {
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if a < b {
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return b
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}
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return a
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}
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// MaxDuration returns the max duration
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func MaxDuration(a, b time.Duration) time.Duration {
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if a > b {
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return a
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}
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return b
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}
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// MinDuration returns the minimum duration
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func MinDuration(a, b time.Duration) time.Duration {
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if a > b {
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return b
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}
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return a
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}
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// MinNonZeroDuration return the minimum duration that's not zero.
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func MinNonZeroDuration(a, b time.Duration) time.Duration {
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if a == 0 {
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return b
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}
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if b == 0 {
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return a
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}
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return MinDuration(a, b)
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}
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// AbsDuration returns the absolute value of a time duration
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func AbsDuration(d time.Duration) time.Duration {
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if d >= 0 {
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return d
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}
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return -d
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}
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// MinTime returns the earlier time
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func MinTime(a, b time.Time) time.Time {
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if a.After(b) {
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return b
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}
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return a
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}
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// MinNonZeroTime returns the earlist time that is not time.Time{}
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// If both a and b are time.Time{}, it returns time.Time{}
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func MinNonZeroTime(a, b time.Time) time.Time {
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if a.IsZero() {
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return b
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}
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if b.IsZero() {
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return a
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}
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return MinTime(a, b)
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}
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// MaxTime returns the later time
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func MaxTime(a, b time.Time) time.Time {
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if a.After(b) {
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return a
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}
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return b
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}
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// MaxPacketNumber returns the max packet number
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func MaxPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber {
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if a > b {
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return a
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}
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return b
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}
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// MinPacketNumber returns the min packet number
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func MinPacketNumber(a, b protocol.PacketNumber) protocol.PacketNumber {
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if a < b {
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return a
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}
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return b
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}
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