fix(proxy): check if proxy port is in use #5891

src-tauri/src/cmd/network.rs

@@ -4,6 +4,7 @@ use clash_verge_logging::{Type, logging};
 use gethostname::gethostname;
 use network_interface::NetworkInterface;
 use serde_yaml_ng::Mapping;
+use std::net::TcpListener;
 use sysproxy::{Autoproxy, Sysproxy};
 use tauri_plugin_clash_verge_sysinfo;
 
@@ -95,3 +96,11 @@ pub fn get_network_interfaces_info() -> CmdResult<Vec<NetworkInterface>> {
 
     Ok(result)
 }
+
+#[tauri::command]
+pub fn is_port_in_use(port: u16) -> bool {
+    match TcpListener::bind(("127.0.0.1", port)) {
+        Ok(_listener) => false,
+        Err(_) => true,
+    }
+}

src-tauri/src/lib.rs

@@ -137,6 +137,7 @@ mod app_init {
             tauri_plugin_clash_verge_sysinfo::commands::get_app_uptime,
             tauri_plugin_clash_verge_sysinfo::commands::app_is_admin,
             tauri_plugin_clash_verge_sysinfo::commands::export_diagnostic_info,
+            cmd::is_port_in_use,
             cmd::get_sys_proxy,
             cmd::get_auto_proxy,
             cmd::open_app_dir,