use ioutil.ReadAll instead of just a plain read"

main.go

@@ -7,6 +7,7 @@ import (
 	"flag"
 	"github.com/elliotchance/phpserialize"
 	_ "github.com/go-sql-driver/mysql"
+	"io/ioutil"
 	"log"
 	"net"
 	"os"
@@ -193,7 +194,7 @@ func handleConnection(conn net.Conn, UC MetadataCache, PC MetadataCache) {
 	log.Println("handleConnection started")
 	var buf []byte
 	var m *MetadataCache
-	_, err := conn.Read(buf)
+	buf, err := ioutil.ReadAll(conn)
 	var c cachecommand
 	err = json.Unmarshal(buf, &c)
 	if err != nil {