修改中转站

src-tauri/src/commands/mod.rs

@@ -15,3 +15,4 @@ pub mod filesystem;
 pub mod git;
 pub mod terminal;
 pub mod ccr;
+pub mod system;

src-tauri/src/commands/system.rs

@@ -0,0 +1,62 @@
+use std::process::{Command, Stdio};
+
+/// Flush system DNS cache across platforms
+#[tauri::command]
+pub async fn flush_dns() -> Result<String, String> {
+    #[cfg(target_os = "windows")]
+    {
+        let output = Command::new("ipconfig")
+            .arg("/flushdns")
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .map_err(|e| format!("Failed to execute ipconfig: {}", e))?;
+        if output.status.success() {
+            return Ok("DNS cache flushed".into());
+        } else {
+            let err = String::from_utf8_lossy(&output.stderr).to_string();
+            return Err(if err.is_empty() { "ipconfig /flushdns failed".into() } else { err });
+        }
+    }
+
+    #[cfg(target_os = "macos")]
+    {
+        let output = Command::new("dscacheutil")
+            .arg("-flushcache")
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .map_err(|e| format!("Failed to execute dscacheutil: {}", e))?;
+        if output.status.success() {
+            return Ok("DNS cache flushed".into());
+        } else {
+            let err = String::from_utf8_lossy(&output.stderr).to_string();
+            return Err(if err.is_empty() { "dscacheutil -flushcache failed".into() } else { err });
+        }
+    }
+
+    #[cfg(target_os = "linux")]
+    {
+        // Try common Linux methods in order
+        let attempts: Vec<(&str, Vec<&str>)> = vec![
+            ("resolvectl", vec!["flush-caches"]),
+            ("systemd-resolve", vec!["--flush-caches"]),
+            ("sh", vec!["-c", "service nscd restart || service dnsmasq restart || rc-service nscd restart"]),
+        ];
+
+        for (cmd, args) in attempts {
+            if let Ok(output) = Command::new(cmd)
+                .args(&args)
+                .stdout(Stdio::piped())
+                .stderr(Stdio::piped())
+                .output()
+            {
+                if output.status.success() {
+                    return Ok("DNS cache flushed".into());
+                }
+            }
+        }
+        Err("No supported DNS flush method succeeded on this Linux system".into())
+    }
+}
+

src-tauri/src/main.rs

@@ -83,6 +83,7 @@ use commands::ccr::{
     check_ccr_installation, get_ccr_version, get_ccr_service_status, start_ccr_service,
     stop_ccr_service, restart_ccr_service, open_ccr_ui, get_ccr_config_path,
 };
+use commands::system::flush_dns;
 use process::ProcessRegistryState;
 use file_watcher::FileWatcherState;
 use std::sync::Mutex;
@@ -431,6 +432,9 @@ fn main() {
             restart_ccr_service,
             open_ccr_ui,
             get_ccr_config_path,
+            
+            // System utilities
+            flush_dns,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");