🐛 Fix a bug in the backoff and update todo.

Video streaming and seeking is working pretty well now behind Caddy, but
I'm still seeing some lag when Firefox first starts a request.

build.bash

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+sudo docker build -t ptth .

src/server/mod.rs

@@ -42,7 +42,7 @@ fn status_reply (c: http_serde::StatusCode, body: &str) -> http_serde::Response
 async fn handle_req_resp <'a> (
 	state: &Arc <ServerState>,
 	req_resp: reqwest::Response
-) {
+) -> Result <(), ()> {
 	//println! ("Step 1");
 	
 	let body = req_resp.bytes ().await.unwrap ();
@@ -51,7 +51,7 @@ async fn handle_req_resp <'a> (
 		Ok (x) => x,
 		Err (e) => {
 			error! ("Can't parse wrapped requests: {:?}", e);
-			return;
+			return Err (());
 		},
 	};
 	
@@ -118,6 +118,8 @@ async fn handle_req_resp <'a> (
 			
 		});
 	}
+	
+	Ok (())
 }
 
 #[derive (Default, Deserialize)]
@@ -204,10 +206,6 @@ pub async fn run_server (
 			Err (e) => {
 				if e.is_timeout () {
 					error! ("Client-side timeout. Is an overly-aggressive firewall closing long-lived connections? Is the network flakey?");
-					if backoff_delay != 0 {
-						debug! ("backoff_delay = 0");
-						backoff_delay = 0;
-					}
 				}
 				else {
 					error! ("Err: {:?}", e);
@@ -219,10 +217,6 @@ pub async fn run_server (
 				continue;
 			},
 			Ok (r) => {
-				if backoff_delay != 0 {
-					debug! ("backoff_delay = 0");
-					backoff_delay = 0;
-				}
 				r
 			},
 		};
@@ -246,7 +240,15 @@ pub async fn run_server (
 		// Unpack the requests, spawn them into new tasks, then loop back
 		// around.
 		
-		handle_req_resp (&state, req_resp).await;
+		if handle_req_resp (&state, req_resp).await.is_err () {
+			backoff_delay = err_backoff_delay;
+			continue;
+		}
+		
+		if backoff_delay != 0 {
+			debug! ("backoff_delay = 0");
+			backoff_delay = 0;
+		}
 	}
 	
 	info! ("Exiting");

todo.md

@@ -1,7 +1,6 @@
-- Not working behind Nginx
-- Try sending the http_response "OK" _after_ the request body is received
+- Not working behind Nginx (Works okay behind Caddy)
+- Still getting the slow request turtle in FF - 500-900 ms wait time
 
-- Sort directory listings
 - ".." from server to server list is broken
 - Redirect to add trailing slashes
 - Add file size in directory listing