add retry options

example/object/get_with_retry.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/agin719/cos-go-sdk-v5"
+	"github.com/tencentyun/cos-go-sdk-v5/debug"
+)
+
+func log_status(err error) {
+	if err == nil {
+		return
+	}
+	if cos.IsNotFoundError(err) {
+		// WARN
+		fmt.Println("WARN: Resource is not existed")
+	} else if e, ok := cos.IsCOSError(err); ok {
+		fmt.Printf("ERROR: Code: %v\n", e.Code)
+		fmt.Printf("ERROR: Message: %v\n", e.Message)
+		fmt.Printf("ERROR: Resource: %v\n", e.Resource)
+		fmt.Printf("ERROR: RequestId: %v\n", e.RequestID)
+		// ERROR
+	} else {
+		fmt.Printf("ERROR: %v\n", err)
+		// ERROR
+	}
+}
+
+func main() {
+	u, _ := url.Parse("https://test-1259654469.cos.ap-guangzhou.myqcloud.com")
+	b := &cos.BaseURL{BucketURL: u}
+	c := cos.NewClient(b, &http.Client{
+		Transport: &cos.AuthorizationTransport{
+			SecretID:  os.Getenv("COS_SECRETID"),
+			SecretKey: os.Getenv("COS_SECRETKEY"),
+			Transport: &debug.DebugRequestTransport{
+				RequestHeader: true,
+				// Notice when put a large file and set need the request body, might happend out of memory error.
+				RequestBody:    false,
+				ResponseHeader: true,
+				ResponseBody:   false,
+			},
+		},
+	})
+	// Get 请求配置重试
+	c.Conf.RetryOpt.Count = 3                   // 错误重试次数，默认重试3次
+	c.Conf.RetryOpt.Interval = time.Millisecond // 错误重试间隔时间，默认0
+	c.Conf.RetryOpt.StatusCode = []int{200}     // 默认5xx都会重试，该参数配置其余需要重试的响应码
+
+	name := "exampleobject"
+	_, err := c.Object.Get(context.Background(), name, nil)
+	log_status(err)
+}