59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package rest
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import (
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"crypto/md5"
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"github.com/bradfitz/gomemcache/memcache"
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"strings"
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)
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// Memcached connection settings
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type MC struct {
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Enabled bool `json:"enabled"`
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Hosts []string `json:"hosts"`
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Prefix string `json:"prefix"`
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Client *memcache.Client
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}
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// InitConnection to memcached cluster
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func (mc MC) InitConnection() *memcache.Client {
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client := memcache.New(mc.Hosts...)
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return client
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}
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// StoreToCache save data to memecache
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func (mc MC) StoreToCache(key string, data []byte) error {
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prefixed_key := strings.Join([]string{mc.Prefix, key}, "_")
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var item memcache.Item
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// item.Key = hashKey(prefixed_key)
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item.Key = prefixed_key
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item.Value = data
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// store
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err := mc.Client.Set(&item)
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return err
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}
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// (mc MC) GetFromCache ...
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func (mc MC) GetFromCache(key string) ([]byte, error) {
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var data *memcache.Item
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prefixed_key := strings.Join([]string{mc.Prefix, key}, "_")
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// data, err := mc.Client.Get(hashKey(prefixed_key))
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data, err := mc.Client.Get(prefixed_key)
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if err != nil {
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return []byte(""), err
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}
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return data.Value, err
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}
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// hashKey return md5sum of prefixed_key
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func hashKey(key string) string {
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h := md5.New()
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sum := h.Sum([]byte(key))
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return string(sum)
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}
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