Fixed import issue in tcp_connection_keepalive

src/config/parser.rs

@@ -42,6 +42,8 @@ pub struct Config {
     /// It stores the level of safe search to be used for restricting content in the
     /// search results.
     pub safe_search: u8,
+    /// It stores the TCP connection keepalive duration in seconds.
+    pub tcp_connection_keepalive: u64,
 }
 
 impl Config {
@@ -131,6 +133,7 @@ impl Config {
             upstream_search_engines: globals
                 .get::<_, HashMap<String, bool>>("upstream_search_engines")?,
             request_timeout: globals.get::<_, u8>("request_timeout")?,
+            tcp_connection_keepalive: globals.get::<_, u64>("tcp_connection_keepalive")?,
             threads,
             rate_limiter: RateLimiter {
                 number_of_requests: rate_limiter["number_of_requests"],

src/server/routes/search.rs

@@ -216,7 +216,6 @@ async fn results(
                             .filter_map(|engine| EngineHandler::new(engine).ok())
                             .collect::<Vec<EngineHandler>>(),
                         safe_search_level,
-                        30,
                     )
                     .await?
                 }