Add Network Tools And Nested Command Completion

src/network_console.h

@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-3.0-only */
+
+#pragma once
+
+#include <stdbool.h>
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Register ping, nslookup, and traceroute as root-level console commands. */
+esp_err_t network_console_register_root_commands(void);
+
+/* Return true only for a root command handled by network_console_execute(). */
+bool network_console_is_command(const char *name);
+
+/* Execute ping, nslookup, or traceroute; argv[0] selects the operation. */
+int network_console_execute(int argc, char **argv);
+
+#ifdef __cplusplus
+}
+#endif