func workerGetSetRand(client *memcache.Client, wg *sync.WaitGroup, ch <-chan int) {
defer wg.Done()
var item memcache.Item
itemsCount := *requestsCount / *workersCount
for _ = range ch {
n := rand.Intn(itemsCount)
item.Key = []byte(fmt.Sprintf("%s_%d", *key, n))
v := []byte(fmt.Sprintf("%s_%d", *value, n))
if rand.Float32() < 0.5 {
err := client.Get(&item)
if err == memcache.ErrCacheMiss {
continue
}
if err != nil {
log.Fatalf("Error in Client.Get(): [%s]", err)
}
if !bytes.Equal(item.Value, v) {
log.Fatalf("Unexpected value=[%s] obtained. Expected [%s]", item.Value, v)
}
} else {
item.Value = v
if err := client.Set(&item); err != nil {
log.Fatalf("Error in Client.Set(): [%s]", err)
}
}
}
}
func workerGetMiss(client *memcache.Client, wg *sync.WaitGroup, ch <-chan int) {
defer wg.Done()
item := memcache.Item{
Key: []byte(*key),
}
for _ = range ch {
if err := client.Get(&item); err != memcache.ErrCacheMiss {
log.Fatalf("Error in Client.Get(): [%s]", err)
}
}
}
func workerGetHit(client *memcache.Client, wg *sync.WaitGroup, ch <-chan int) {
defer wg.Done()
item := memcache.Item{
Key: []byte(*key),
Value: []byte(*value),
}
valueOrig := item.Value
item.Value = nil
for _ = range ch {
if err := client.Get(&item); err != nil {
log.Fatalf("Error in Client.Get(): [%s]", err)
}
if !bytes.Equal(valueOrig, item.Value) {
log.Fatalf("Unexpected value read=[%s]. Expected=[%s]", item.Value, valueOrig)
}
}
}