Add http api for debugging

crates/librqbit/src/http_api.rs

@@ -0,0 +1,13 @@
+use std::sync::Arc;
+
+use warp::Filter;
+
+use crate::torrent_state::TorrentState;
+
+// This is just a stub for debugging, nothing useful here.
+pub async fn make_and_run_http_api(state: Arc<TorrentState>) -> anyhow::Result<()> {
+    let dump_haves = warp::path("haves")
+        .map(move || format!("{:?}", state.locked.read().chunks.get_have_pieces()));
+    warp::serve(dump_haves).run(([127, 0, 0, 1], 3030)).await;
+    Ok(())
+}