mirror of
https://github.com/hanzoai/tasks.git
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## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.
## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
copyrights to the root `LICENSE` file and removed header from all other
files. Also updated tools and `Makefile`.
116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
package quotas
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import (
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"sync"
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"time"
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"go.temporal.io/server/common/clock"
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"golang.org/x/time/rate"
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)
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type (
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// RateLimiterImpl is a wrapper around the golang rate limiter
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RateLimiterImpl struct {
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sync.RWMutex
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rps float64
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burst int
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timeSource clock.TimeSource
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ClockedRateLimiter
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}
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)
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var _ RateLimiter = (*RateLimiterImpl)(nil)
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// NewRateLimiter returns a new rate limiter that can handle dynamic
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// configuration updates
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func NewRateLimiter(newRPS float64, newBurst int) *RateLimiterImpl {
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limiter := rate.NewLimiter(rate.Limit(newRPS), newBurst)
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ts := clock.NewRealTimeSource()
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rl := &RateLimiterImpl{
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rps: newRPS,
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burst: newBurst,
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timeSource: ts,
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ClockedRateLimiter: NewClockedRateLimiter(limiter, ts),
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}
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return rl
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}
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// SetRPS sets the rate of the rate limiter
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func (rl *RateLimiterImpl) SetRPS(rps float64) {
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rl.refreshInternalRateLimiterImpl(&rps, nil)
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}
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// SetBurst sets the burst of the rate limiter
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func (rl *RateLimiterImpl) SetBurst(burst int) {
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rl.refreshInternalRateLimiterImpl(nil, &burst)
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}
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func (rl *RateLimiterImpl) Reserve() Reservation {
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return rl.ClockedRateLimiter.Reserve()
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}
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func (rl *RateLimiterImpl) ReserveN(now time.Time, n int) Reservation {
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return rl.ClockedRateLimiter.ReserveN(now, n)
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}
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// SetRateBurst sets the rps & burst of the rate limiter
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func (rl *RateLimiterImpl) SetRateBurst(rps float64, burst int) {
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rl.refreshInternalRateLimiterImpl(&rps, &burst)
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}
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// Rate returns the rps for this rate limiter
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func (rl *RateLimiterImpl) Rate() float64 {
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rl.Lock()
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defer rl.Unlock()
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return rl.rps
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}
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// Burst returns the burst for this rate limiter
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func (rl *RateLimiterImpl) Burst() int {
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rl.Lock()
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defer rl.Unlock()
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return rl.burst
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}
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// TokensAt returns the number of tokens that will be available at time t
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func (rl *RateLimiterImpl) TokensAt(t time.Time) int {
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rl.Lock()
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defer rl.Unlock()
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return rl.ClockedRateLimiter.TokensAt(t)
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}
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func (rl *RateLimiterImpl) refreshInternalRateLimiterImpl(
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newRate *float64,
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newBurst *int,
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) {
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rl.Lock()
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defer rl.Unlock()
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refresh := false
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if newRate != nil && rl.rps != *newRate {
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rl.rps = *newRate
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refresh = true
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}
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if newBurst != nil && rl.burst != *newBurst {
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rl.burst = *newBurst
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refresh = true
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}
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if refresh {
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now := rl.timeSource.Now()
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rl.SetLimitAt(now, rate.Limit(rl.rps))
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rl.SetBurstAt(now, rl.burst)
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}
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}
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// RecycleToken returns a token to the rate limiter
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func (rl *RateLimiterImpl) RecycleToken() {
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rl.ClockedRateLimiter.RecycleToken()
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}
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