2.0.0

README.md

@@ -11,21 +11,21 @@ Analyzing memory of redis is to find the keys(prefix) which used a lot of memory
 //cd your-root-folder-of-project
 //Create the file glide.yaml if not exist
 //touch glide.yaml
-glide get github.com/hhxsv5/go-redis-memory-analysis#~1.1.0
+glide get github.com/hhxsv5/go-redis-memory-analysis#~2.0.0
 //glide: THANK GO15VENDOREXPERIMENT
 ```
 
 2. Run
 
 ```Go
-redis, err := NewRedisClient("127.0.0.1", 6379, "")
+analysis := NewAnalysis()
+//Open redis: 127.0.0.1:6379 without password
+err := analysis.Open("127.0.0.1", 6379, "")
+defer analysis.Close()
 if err != nil {
-    fmt.Println("connect redis fail", err)
+    fmt.Println("something wrong:", err)
     return
 }
-defer redis.Close()
-
-analysis := NewAnalysis(redis)
 
 //Scan the keys which can be split by '#' ':'
 //Special pattern characters need to escape by '\'

analysis.go

@@ -40,8 +40,23 @@ func (sr SortReports) Swap(i, j int) {
 	sr[i], sr[j] = sr[j], sr[i]
 }
 
-func NewAnalysis(redis *RedisClient) *Analysis {
-	return &Analysis{redis, DBReports{}}
+func NewAnalysis() *Analysis {
+	return &Analysis{nil, DBReports{}}
+}
+
+func (analysis *Analysis) Open(host string, port uint16, password string) error {
+	redis, err := NewRedisClient(host, port, password)
+	if err != nil {
+		return err
+	}
+	analysis.redis = redis
+	return nil
+}
+
+func (analysis *Analysis) Close() {
+	if analysis.redis != nil {
+		analysis.redis.Close()
+	}
 }
 
 func (analysis Analysis) Start(delimiters []string) {

examples/main.go

@@ -3,18 +3,17 @@ package main
 import (
 	"fmt"
 	. "github.com/hhxsv5/go-redis-memory-analysis"
-	. "github.com/hhxsv5/go-redis-memory-analysis/storages"
 )
 
 func main() {
-	redis, err := NewRedisClient("127.0.0.1", 6379, "")
+	analysis := NewAnalysis()
+	//Open redis: 127.0.0.1:6379 without password
+	err := analysis.Open("127.0.0.1", 6379, "")
+	defer analysis.Close()
 	if err != nil {
-		fmt.Println("connect redis fail", err)
+		fmt.Println("something wrong:", err)
 		return
 	}
-	defer redis.Close()
-
-	analysis := NewAnalysis(redis)
 
 	//Scan the keys which can be split by '#' ':'
 	//Special pattern characters need to escape by '\'