style: pack commandParse and socket server to different packages

socket/server.go

@@ -0,0 +1,55 @@
+package socket
+
+import (
+	"Watchdog_Linux-systemd/command"
+	"Watchdog_Linux-systemd/postLog"
+	"fmt"
+	"net"
+)
+
+func BootSocket(networkType, listenAddr string, listenPort int) error {
+	listen, err := net.Listen(networkType, fmt.Sprintf("%s:%d", listenAddr, listenPort))
+	if err != nil {
+		postLog.Fatal(fmt.Sprintf("[Socket] Failed to listen: %v, err: %v, %v", listenAddr, listenPort, err))
+		return fmt.Errorf("failed to listen: %v, err: %v, %v", listenAddr, listenPort, err)
+	}
+	defer listen.Close()
+
+	postLog.Info(fmt.Sprintf("Server is running on %s:%d", listenAddr, listenPort))
+
+	for {
+		conn, err := listen.Accept()
+		if err != nil {
+			postLog.Error(fmt.Sprintf("Failed to accept: %v, err: %v", conn, err))
+		}
+		go handleRequest(conn)
+	}
+}
+
+func handleRequest(conn net.Conn) {
+	defer conn.Close()
+
+	buffer := make([]byte, 1024)
+	n, err := conn.Read(buffer)
+	if err != nil {
+		postLog.Error(fmt.Sprintf("Failed to read: %v, err: %v", conn, err))
+		return
+	}
+
+	recvMsg := string(buffer[:n])
+	postLog.Debug(fmt.Sprintf("Received: %v", recvMsg))
+	responseMsg := ""
+	if recvMsg == "watchdogAgentConnectionTest" {
+		responseMsg = "success"
+	} else {
+		err := command.ExecuteCommand(recvMsg)
+		if err != nil {
+			responseMsg = fmt.Sprintf("error: %v", err)
+		} else {
+			responseMsg = "success"
+		}
+	}
+	if _, err := conn.Write([]byte(responseMsg + "\n")); err != nil {
+		postLog.Error(fmt.Sprintf("Failed to write: %v, err: %v", conn, err))
+	}
+}