From 368b018f567a804cf02e3fea4246a5c082f8c616 Mon Sep 17 00:00:00 2001
From: natrixaeria <janng@gmx.de>
Date: Mon, 20 May 2019 20:04:35 +0200
Subject: Remove users from server, if not reachable

---
 game_server/src/scribble_group.rs | 12 +++++++++---
 game_server/src/ws_test.html      |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'game_server')

diff --git a/game_server/src/scribble_group.rs b/game_server/src/scribble_group.rs
index e68c6df..01090de 100644
--- a/game_server/src/scribble_group.rs
+++ b/game_server/src/scribble_group.rs
@@ -35,15 +35,21 @@ impl Group for ScribbleGroup {
         let self_uid = id;
         std::thread::spawn(move || {
             loop {
-                let message = rec.recv_message().unwrap();
-                info!("got message: '{:?}'", message);
+                let message = match rec.recv_message() {
+                    Ok(x) => x,
+                    _ => break
+                };
+                //trace!("got message: '{:?}'", message);
                 let mut senders = senders_mutex.lock().unwrap();
                 for (uid, sender) in senders.iter_mut() {
                     if self_uid != *uid {
-                        sender.send_message(&message);
+                        sender.send_message(&message)
+                            .unwrap_or_else(|_| debug!("tried to send message to {}, but failed", *uid));
                     }
                 }
             }
+            senders_mutex.lock().unwrap().remove(&self_uid);
+            info!("client {} has left", self_uid);
         });
     }
 }
diff --git a/game_server/src/ws_test.html b/game_server/src/ws_test.html
index ee60b65..44b6eb0 100644
--- a/game_server/src/ws_test.html
+++ b/game_server/src/ws_test.html
@@ -12,7 +12,7 @@
         <div id='cons'>connected</div><br>
         <button onclick='test_connection()'>Launch</button><br>
         <span>Server address: </span><input id='addr'></input>
-        <span>Message</span><input id='msg'></input><button onclick='send_text()'>Send</button>
+        <span>Message</span><input id='msg'></input> <button onclick='send_text()'>Send</button>
         <div id='chat' style='background: rgb(20, 20, 20); padding-left: 20px; margin: 40px' />
     </body>
     <script>
-- 
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