refactor: project code arch; feat: cancel operation anytime

internal/opt/opt.go

@@ -8,7 +8,7 @@ type args struct {
 	Max       int
 	Type      string
 	Timeout   int
-	Source    string
+	Field     string
 	Sort      string
 	Query     string
 	QueryFile string

internal/opt/var.go

@@ -1,5 +1,11 @@
 package opt
 
+import (
+	"crypto/tls"
+
+	"github.com/go-resty/resty/v2"
+)
+
 const (
 	ScrollDurationSeconds = 10 * 60
 	DefaultSize           = 100
@@ -11,4 +17,6 @@ var (
 
 	BuffSize    = 5 * 1024 * 1024   // 5M
 	MaxBuffSize = 100 * 1024 * 1024 // 100M, default elastic_search doc max size
+
+	HttpClient = resty.New().SetTLSClientConfig(&tls.Config{InsecureSkipVerify: true})
 )