[agent] - bastion mode init

agent-go/a_init/BastionInitializaion.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"strings"
 	"wdd.io/agent-go/a_agent"
+	"wdd.io/agent-go/a_init/bastion_init"
 )
 
 /*
@@ -74,17 +75,14 @@ func BastionModeInit() {
 	reader := bufio.NewReader(os.Stdin)
 
 	for {
-		fmt.Print("> ")
+		fmt.Print("enter ==> ")
 		text, _ := reader.ReadString('\n')
 		text = strings.TrimSpace(text)
 
 		if text == "quit" {
 			break
 		} else if text == "help" {
-			fmt.Println("Available commands:")
-			fmt.Println("- help: show this help message")
-			fmt.Println("- quit: exit the program")
-			fmt.Println("- [command name]: execute a command")
+			bastion_init.PrintBastionHelp()
 		} else {
 			// Execute the command
 			fmt.Println("Executing command:", text)

agent-go/a_init/bastion_init/config.go

@@ -0,0 +1,26 @@
+package bastion_init
+
+import (
+	"fmt"
+	"io"
+	"os"
+)
+
+// getStandardOutPutLength 获取到标准输出终端的长度
+func getStandardOutPutLength() (int, error) {
+	buffer := make([]byte, 0)
+	_, err := io.ReadFull(os.Stdout, buffer)
+	if err != nil {
+		return 0, err
+	}
+	return len(buffer), nil
+}
+
+func PrintBastionHelp() {
+	length, err := getStandardOutPutLength()
+	if err == nil {
+		fmt.Printf("标准输出终端的长度: %d 字节\n", length)
+	} else {
+		fmt.Println("获取标准输出终端长度时发生错误:", err)
+	}
+}