drone/internal/gitrpc/lock/example/main.go

74 lines
1.5 KiB
Go

package main
import (
"context"
"log"
"sync"
"time"
"github.com/harness/gitness/internal/gitrpc/lock"
)
func main() {
c := &lock.Mutex{}
wg := sync.WaitGroup{}
wg.Add(2)
go func() {
defer wg.Done()
log.Printf("1. Try to lock key: simple")
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
lock, err := c.AcquireLock(ctx, "simple")
if err != nil {
log.Println(err)
return
}
log.Printf("1. Lock key: simple")
time.Sleep(time.Second * 10)
lock.Release()
log.Printf("1. Release key: simple")
}()
go func() {
defer wg.Done()
log.Printf("2. Try to lock key: simple")
lock, err := c.AcquireLock(context.Background(), "simple")
if err != nil {
log.Println(err)
return
}
log.Printf("2. Lock key: simple")
time.Sleep(time.Second * 20)
lock.Release()
log.Printf("2. Release key: simple")
}()
go func() {
defer wg.Done()
log.Printf("3. Try to lock key: simple")
lock, err := c.AcquireLock(context.Background(), "simple")
if err != nil {
log.Println(err)
return
}
log.Printf("4. Try to lock key: simple")
lck, err := c.AcquireLock(context.Background(), "simple")
if err != nil {
log.Println(err)
return
}
log.Printf("4. Lock key: simple")
time.Sleep(time.Second * 10)
lck.Release()
log.Printf("4. Release key: simple")
log.Printf("3. Lock key: simple")
time.Sleep(time.Second * 20)
lock.Release()
log.Printf("3. Release key: simple")
}()
wg.Wait()
}