feat: support static server

apps/recorder/src/utils/http.rs

@@ -1,18 +1,23 @@
 use std::ops::Bound;
 
-pub fn bound_range_to_content_range(
-    r: &(Bound<u64>, Bound<u64>),
-    l: u64,
-) -> Result<String, String> {
+use http::HeaderValue;
+
+pub fn build_no_satisfiable_content_range(len: u64) -> HeaderValue {
+    HeaderValue::from_str(&format!("bytes */{len}"))
+        .unwrap_or_else(|e| unreachable!("Invalid content range: {e}"))
+}
+
+pub fn bound_range_to_content_range(r: &(Bound<u64>, Bound<u64>), l: u64) -> Option<HeaderValue> {
     match r {
-        (Bound::Included(start), Bound::Included(end)) => Ok(format!("bytes {start}-{end}/{l}")),
+        (Bound::Included(start), Bound::Included(end)) => Some(format!("bytes {start}-{end}/{l}")),
         (Bound::Included(start), Bound::Excluded(end)) => {
-            Ok(format!("bytes {start}-{}/{l}", end - 1))
+            Some(format!("bytes {start}-{}/{l}", end - 1))
         }
-        (Bound::Included(start), Bound::Unbounded) => Ok(format!(
+        (Bound::Included(start), Bound::Unbounded) => Some(format!(
             "bytes {start}-{}/{l}",
             if l > 0 { l - 1 } else { 0 }
         )),
-        _ => Err(format!("bytes */{l}")),
+        _ => None,
     }
+    .and_then(|s| HeaderValue::from_str(&s).ok())
 }