Initial v2 version, better testing, updates

driver/memcache/memcache.go

@@ -0,0 +1,68 @@
+package memcache
+
+import (
+	"github.com/bradfitz/gomemcache/memcache"
+	"meow.tf/go/cacheinterface/v2/encoder"
+	"time"
+)
+
+type Options struct {
+	Encoder encoder.Encoder `query:"encoder" default:"msgpack"`
+	Servers []string        `default:"127.0.0.1:11211"`
+}
+
+type Cache struct {
+	options Options
+	servers []string
+	client  *memcache.Client
+}
+
+func New(options Options) (*Cache, error) {
+	client := memcache.New(options.Servers...)
+
+	return &Cache{
+		options: options,
+		servers: options.Servers,
+		client:  client,
+	}, nil
+}
+
+func (mc *Cache) Has(key string) bool {
+	_, err := mc.client.Get(key)
+
+	return err != nil
+}
+
+func (mc *Cache) Get(key string, dst any) error {
+	item, err := mc.client.Get(key)
+
+	if err != nil {
+		return err
+	}
+
+	return encoder.DecodeValue(mc.options.Encoder, item.Value, dst)
+}
+
+func (mc *Cache) GetBytes(key string) ([]byte, error) {
+	item, err := mc.client.Get(key)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return item.Value, nil
+}
+
+func (mc *Cache) Set(key string, val any, ttl time.Duration) error {
+	v, err := encoder.EncodeValue(mc.options.Encoder, val)
+
+	if err != nil {
+		return err
+	}
+
+	return mc.client.Set(&memcache.Item{Key: key, Value: v, Expiration: int32(ttl.Seconds())})
+}
+
+func (mc *Cache) Del(key string) error {
+	return mc.client.Delete(key)
+}