Refactor and more unit tests.

1 files changed, 33 insertions, 0 deletions

diff --git a/app/cache.go b/app/cache.go
new file mode 100644
index 0000000..f75f317
--- /dev/null
+++ b/app/cache.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"encoding/json"
+	"github.com/garyburd/redigo/redis"
+	"log"
+)
+
+const (
+	cache_prefix = "status_"
+)
+
+func CacheHosts(prefix string, h []Host) error {
+	c := pool.Get()
+	js, err := json.Marshal(h)
+	if err != nil {
+		log.Println("Serizaling to JSON failed.")
+		return err
+	}
+	c.Do("SET", prefix, js)
+	return nil
+}
+
+func GetCache(key string) (string, error) {
+	c := pool.Get()
+	return redis.String(c.Do("GET", key))
+}
+
+func DelCache(key string) error {
+	c := pool.Get()
+	_, err := c.Do("DEL", key)
+	return err
+}