commit d20ec967c429e1bc0314aff03c70079cca6a0e56
parent 40f91d052c1bbdd3121c8fd2bde687853a7bed5a
Author: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com>
Date: Fri, 22 Jul 2022 11:43:34 +0100
[bugfix] update go-cache library to fix critical bug during cache sweep scheduling (#725)
* update go-cache library to fix critical bug regarding cache sweep scheduling
Signed-off-by: kim <grufwub@gmail.com>
* update go-sched
Signed-off-by: kim <grufwub@gmail.com>
Diffstat:
6 files changed, 61 insertions(+), 37 deletions(-)
diff --git a/go.mod b/go.mod
@@ -6,13 +6,13 @@ require (
codeberg.org/gruf/go-atomics v1.1.0
codeberg.org/gruf/go-bytesize v0.2.1
codeberg.org/gruf/go-byteutil v1.0.2
- codeberg.org/gruf/go-cache/v2 v2.1.1
+ codeberg.org/gruf/go-cache/v2 v2.1.2
codeberg.org/gruf/go-debug v1.2.0
codeberg.org/gruf/go-errors/v2 v2.0.2
codeberg.org/gruf/go-kv v1.3.2
codeberg.org/gruf/go-logger/v2 v2.0.6
codeberg.org/gruf/go-mutexes v1.1.2
- codeberg.org/gruf/go-runners v1.2.1
+ codeberg.org/gruf/go-runners v1.2.2
codeberg.org/gruf/go-store v1.3.8
github.com/buckket/go-blurhash v1.1.0
github.com/coreos/go-oidc/v3 v3.1.0
@@ -62,7 +62,7 @@ require (
codeberg.org/gruf/go-fastpath v1.0.3 // indirect
codeberg.org/gruf/go-hashenc v1.0.2 // indirect
codeberg.org/gruf/go-pools v1.1.0 // indirect
- codeberg.org/gruf/go-sched v1.0.1 // indirect
+ codeberg.org/gruf/go-sched v1.0.4 // indirect
github.com/aymerick/douceur v0.2.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/dsoprea/go-exif/v3 v3.0.0-20210625224831-a6301f85c82b // indirect
diff --git a/go.sum b/go.sum
@@ -50,8 +50,8 @@ codeberg.org/gruf/go-byteutil v1.0.0/go.mod h1:cWM3tgMCroSzqoBXUXMhvxTxYJp+TbCr6
codeberg.org/gruf/go-byteutil v1.0.2 h1:OesVyK5VKWeWdeDR00zRJ+Oy8hjXx1pBhn7WVvcZWVE=
codeberg.org/gruf/go-byteutil v1.0.2/go.mod h1:cWM3tgMCroSzqoBXUXMhvxTxYJp+TbCr6ioISRY5vSU=
codeberg.org/gruf/go-cache v1.1.2/go.mod h1:/Dbc+xU72Op3hMn6x2PXF3NE9uIDFeS+sXPF00hN/7o=
-codeberg.org/gruf/go-cache/v2 v2.1.1 h1:Ate0URlO6dVTYGxcIST9sDKtwOqrqBmlm73zy3Bq1+k=
-codeberg.org/gruf/go-cache/v2 v2.1.1/go.mod h1:XstSofaENTH3PNBoMrBcowFJ339OcJfTwO0PCOp5lKQ=
+codeberg.org/gruf/go-cache/v2 v2.1.2 h1:MjnnsrZit4WYN4E6pZhcw3YY2QXNBRG5Ijz7z3r6z2o=
+codeberg.org/gruf/go-cache/v2 v2.1.2/go.mod h1:bFZSpjN9cszV3ArmHW7IwvcDDn/SklfECv0U1FMRMdU=
codeberg.org/gruf/go-ctx v1.0.2/go.mod h1:iMyid3m2Rr1wSWL+snliBK5qE51b4pLY5CozVUrb/QU=
codeberg.org/gruf/go-debug v1.2.0 h1:WBbTMnK1ArFKUmgv04aO2JiC/daTOB8zQGi521qb7OU=
codeberg.org/gruf/go-debug v1.2.0/go.mod h1:N+vSy9uJBQgpQcJUqjctvqFz7tBHJf+S/PIjLILzpLg=
@@ -80,10 +80,11 @@ codeberg.org/gruf/go-nowish v1.1.2/go.mod h1:70nvICNcqQ9OHpF07N614Dyk7cpL5ToWU1K
codeberg.org/gruf/go-pools v1.1.0 h1:LbYP24eQLl/YI1fSU2pafiwhGol1Z1zPjRrMsXpF88s=
codeberg.org/gruf/go-pools v1.1.0/go.mod h1:ZMYpt/DjQWYC3zFD3T97QWSFKs62zAUGJ/tzvgB9D68=
codeberg.org/gruf/go-runners v1.1.1/go.mod h1:9gTrmMnO3d+50C+hVzcmGBf+zTuswReS278E2EMvnmw=
-codeberg.org/gruf/go-runners v1.2.1 h1:eXXofOMkLTkrdqI0qFYm00hP9IW42JZbc+IRKgVyQ28=
codeberg.org/gruf/go-runners v1.2.1/go.mod h1:9gTrmMnO3d+50C+hVzcmGBf+zTuswReS278E2EMvnmw=
-codeberg.org/gruf/go-sched v1.0.1 h1:+EAXSVI4orY5lMNX2Vrke/UxF2qjmEy6gHcyySZg/3k=
-codeberg.org/gruf/go-sched v1.0.1/go.mod h1:LFzosJL0yrCNtXg9Vq9iwr4q6ANuRirO2cVwKYH7CLs=
+codeberg.org/gruf/go-runners v1.2.2 h1:o0u8ggAeT5j8R0oaND961OeWEZOzW9wqwhmnVEeteqs=
+codeberg.org/gruf/go-runners v1.2.2/go.mod h1:rl0EdZNozkRMb21DAtOL5L4oTfmslYQdZgq2RMMc/H4=
+codeberg.org/gruf/go-sched v1.0.4 h1:gEfbDQbPUhCE+JPTo28l3eTaNilP+YXMjXS2e3KOtDQ=
+codeberg.org/gruf/go-sched v1.0.4/go.mod h1:5C2IQtzxSPR0Q5+EWTAY5HcxZIIFr5B6MtFwL9FtsoA=
codeberg.org/gruf/go-store v1.3.8 h1:7Hzzsa8gaOc6spuGWXJVUWRAyKiOR/m60/jNYrD8cT0=
codeberg.org/gruf/go-store v1.3.8/go.mod h1:Fy5pXEHiIVFRWDx8DfILwXS1ulrj/jLdSK2C2oElz3I=
codeberg.org/gruf/go-ulid v1.0.0/go.mod h1:dVNsZJpVTge8+jfBTjAMpnscYSiCqk+g32ZgtorCAMs=
diff --git a/vendor/codeberg.org/gruf/go-runners/run.go b/vendor/codeberg.org/gruf/go-runners/run.go
@@ -4,8 +4,9 @@ import (
"context"
"errors"
"fmt"
- "sync"
"time"
+
+ "codeberg.org/gruf/go-atomics"
)
// FuncRunner provides a means of managing long-running functions e.g. main logic loops.
@@ -17,9 +18,8 @@ type FuncRunner struct {
// provided function. This can be used both for logging, and for error filtering
ErrorHandler func(err error) error
- svc Service // underlying service to manage start/stop
- err error // last-set error
- mu sync.Mutex // protects err
+ svc Service // underlying service to manage start/stop
+ err atomics.Error
}
// Go will attempt to run 'fn' asynchronously. The provided context is used to propagate requested
@@ -28,22 +28,20 @@ type FuncRunner struct {
// time before considering the function as handed off. Returned bool is success state, i.e. returns true
// if function is successfully handed off or returns within hand off time with nil error.
func (r *FuncRunner) Go(fn func(ctx context.Context) error) bool {
+ var has bool
+
done := make(chan struct{})
go func() {
var cancelled bool
- has := r.svc.Run(func(ctx context.Context) {
+ has = r.svc.Run(func(ctx context.Context) {
// reset error
- r.mu.Lock()
- r.err = nil
- r.mu.Unlock()
+ r.err.Store(nil)
// Run supplied func and set errror if returned
if err := Run(func() error { return fn(ctx) }); err != nil {
- r.mu.Lock()
- r.err = err
- r.mu.Unlock()
+ r.err.Store(err)
}
// signal done
@@ -61,19 +59,18 @@ func (r *FuncRunner) Go(fn func(ctx context.Context) error) bool {
switch has {
// returned after starting
case true:
- r.mu.Lock()
+ // Load set error
+ err := r.err.Load()
// filter out errors due FuncRunner.Stop() being called
- if cancelled && errors.Is(r.err, context.Canceled) {
+ if cancelled && errors.Is(err, context.Canceled) {
// filter out errors from FuncRunner.Stop() being called
- r.err = nil
- } else if r.err != nil && r.ErrorHandler != nil {
+ r.err.Store(nil)
+ } else if err != nil && r.ErrorHandler != nil {
// pass any non-nil error to set handler
- r.err = r.ErrorHandler(r.err)
+ r.err.Store(r.ErrorHandler(err))
}
- r.mu.Unlock()
-
// already running
case false:
close(done)
@@ -93,7 +90,7 @@ func (r *FuncRunner) Go(fn func(ctx context.Context) error) bool {
// 'fn' returned, check error
case <-done:
- return (r.Err() == nil)
+ return has
}
}
@@ -104,10 +101,7 @@ func (r *FuncRunner) Stop() bool {
// Err returns the last-set error value.
func (r *FuncRunner) Err() error {
- r.mu.Lock()
- err := r.err
- r.mu.Unlock()
- return err
+ return r.err.Load()
}
// Run will execute the supplied 'fn' catching any panics. Returns either function-returned error or formatted panic.
diff --git a/vendor/codeberg.org/gruf/go-sched/job.go b/vendor/codeberg.org/gruf/go-sched/job.go
@@ -1,6 +1,9 @@
package sched
import (
+ "reflect"
+ "strconv"
+ "strings"
"time"
"codeberg.org/gruf/go-atomics"
@@ -97,3 +100,19 @@ func (job *Job) Run(now time.Time) {
}()
job.call(now)
}
+
+// String provides a debuggable string representation of Job including ID, next time and Timing type.
+func (job *Job) String() string {
+ var buf strings.Builder
+ buf.WriteByte('{')
+ buf.WriteString("id=")
+ buf.WriteString(strconv.FormatUint(job.id, 10))
+ buf.WriteByte(' ')
+ buf.WriteString("next=")
+ buf.WriteString(job.next.Load().Format(time.StampMicro))
+ buf.WriteByte(' ')
+ buf.WriteString("timing=")
+ buf.WriteString(reflect.TypeOf(job.timing).String())
+ buf.WriteByte('}')
+ return buf.String()
+}
diff --git a/vendor/codeberg.org/gruf/go-sched/scheduler.go b/vendor/codeberg.org/gruf/go-sched/scheduler.go
@@ -132,7 +132,13 @@ func (sch *Scheduler) run(ctx context.Context) {
// Get next job time
next := sch.jobs[0].Next()
- if until := next.Sub(now); until <= 0 {
+ // If this job is _just_ about to be ready, we
+ // don't bother sleeping. It's wasted cycles only
+ // sleeping for some obscenely tiny amount of time
+ // we can't guarantee precision for.
+ const precision = time.Millisecond
+
+ if until := next.Sub(now); until <= precision/1e3 {
// This job is behind schedule,
// set timer to always tick
tch = alwaysticks
@@ -155,6 +161,10 @@ func (sch *Scheduler) run(ctx context.Context) {
// Timer ticked, run scheduled
case now := <-tch:
+ if !timerset {
+ // alwaysticks returns zero times
+ now = time.Now()
+ }
sch.schedule(now)
// Received update, handle job/id
@@ -213,7 +223,7 @@ func (sch *Scheduler) schedule(now time.Time) {
// Run this job async!
go job.Run(now)
- if job.Next().IsZero() {
+ if next.IsZero() {
// Zero time, this job is done and can be dropped
sch.jobs = append(sch.jobs[:i], sch.jobs[i+1:]...)
continue
diff --git a/vendor/modules.txt b/vendor/modules.txt
@@ -13,7 +13,7 @@ codeberg.org/gruf/go-bytesize
# codeberg.org/gruf/go-byteutil v1.0.2
## explicit; go 1.16
codeberg.org/gruf/go-byteutil
-# codeberg.org/gruf/go-cache/v2 v2.1.1
+# codeberg.org/gruf/go-cache/v2 v2.1.2
## explicit; go 1.18
codeberg.org/gruf/go-cache/v2
# codeberg.org/gruf/go-debug v1.2.0
@@ -44,11 +44,11 @@ codeberg.org/gruf/go-mutexes
# codeberg.org/gruf/go-pools v1.1.0
## explicit; go 1.16
codeberg.org/gruf/go-pools
-# codeberg.org/gruf/go-runners v1.2.1
+# codeberg.org/gruf/go-runners v1.2.2
## explicit; go 1.14
codeberg.org/gruf/go-runners
-# codeberg.org/gruf/go-sched v1.0.1
-## explicit; go 1.18
+# codeberg.org/gruf/go-sched v1.0.4
+## explicit; go 1.16
codeberg.org/gruf/go-sched
# codeberg.org/gruf/go-store v1.3.8
## explicit; go 1.14