write_text

src/server.rs

@@ -95,7 +95,7 @@ impl Request {
     fn respond(&mut self) -> Result<()> {
         let md = fs::metadata(self.path()?)?;
         if md.is_file() {
-            self.send_text()
+            write_text(&self.stream, self.path()?)
         } else if md.is_dir() {
             self.send_dir()
         } else {
@@ -123,10 +123,13 @@ impl Request {
         menu.end()?;
         Ok(())
     }
+}
 
-    /// Send a text document to the client.
+/// Send a text file to the client.
-    fn send_text(&mut self) -> Result<()> {
+fn write_text<'a, W>(mut w: &'a W, path: PathBuf) -> Result<()>
-        let path = self.path()?;
+where
+    &'a W: Write,
+{
     let md = fs::metadata(&path)?;
     let mut f = fs::File::open(&path)?;
     let mut buf = [0; 1024];
@@ -134,20 +137,18 @@ impl Request {
     while bytes > 0 {
         let n = f.read(&mut buf[..])?;
         bytes -= n as u64;
-            self.stream.write_all(&buf[..n])?;
+        w.write_all(&buf[..n])?;
     }
-        self.stream.write_all(b"\r\n.\r\n")?; // end gopher response
+    w.write_all(b"\r\n.\r\n")?; // end gopher response
     Ok(())
 }
-}
 
 /// Determine the gopher type for a DirEntry on disk.
 fn file_type(dir: &fs::DirEntry) -> ItemType {
-    let metadata = dir.metadata();
+    let metadata = match dir.metadata() {
-    if metadata.is_err() {
+        Err(_) => return ItemType::Error,
-        return ItemType::Error;
+        Ok(md) => md,
-    }
+    };
-    let metadata = metadata.unwrap();
 
     if metadata.is_file() {
         if let Ok(file) = fs::File::open(&dir.path()) {