Notify a game opponent when a departing guest's game ends

api/src/lib.rs

@@ -2465,8 +2465,11 @@ pub trait Service: Send {
     }
     // A user left the network (QUIT / KILL / netsplit). Lets a service drop any
     // per-connection state it keyed on that departing uid before the uid is recycled
-    // to a new connection. Default: nothing to do.
+    // to a new connection, and return any notices to emit as a result (e.g. telling
-    fn on_user_quit(&mut self, _uid: &str) {}
+    // an opponent their game just ended). Default: nothing to do.
+    fn on_user_quit(&mut self, _uid: &str, _net: &dyn NetView, _store: &dyn Store) -> Vec<NetAction> {
+        Vec::new()
+    }
 
     fn on_command(&mut self, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, net: &dyn NetView, store: &mut dyn Store);
 }

lang/de.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Syntax: \u0002LOGIN <Nick> <Passwort>\u0002\nMeldet dich beim Konto von <Nick> an und setzt dich auf diesen Nick, wobei jede Sitzung, die ihn belegt, freigegeben wird.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nÜberträgt den Gründer oder ändert eine Kanaleinstellung.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "Dein Konto ist ausstehend. Bitte ein bestehendes Mitglied, mit \u0002/msg NickServ VOUCH {account}\u0002 für dich zu bürgen.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Du hast für \u0002{account}\u0002 gebürgt; das Konto ist jetzt aktiv."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Du hast für \u0002{account}\u0002 gebürgt; das Konto ist jetzt aktiv.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "Dein Gegner hat die Verbindung getrennt. Spiel \u0002#{id}\u0002 ist vorbei."
 }

lang/es-ar.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Sintaxis: \u0002LOGIN <apodo> <contraseña>\u0002\nInicia sesión en la cuenta de <apodo> y te mueve a ese apodo, liberando cualquier sesión que ya lo esté usando.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Sintaxis: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfiere el fundador o cambia un ajuste del canal.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "Tu cuenta está pendiente. Pedile a un miembro existente que te avale con \u0002/msg NickServ VOUCH {account}\u0002.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Avalaste a \u0002{account}\u0002; su cuenta ya está activa."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Avalaste a \u0002{account}\u0002; su cuenta ya está activa.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "Tu oponente se fue. La partida \u0002#{id}\u0002 terminó."
 }

lang/es.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Sintaxis: \u0002LOGIN <apodo> <contraseña>\u0002\nInicia sesión en la cuenta de <apodo> y te mueve a ese apodo, liberando cualquier sesión que ya lo ocupe.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Sintaxis: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfiere el fundador o cambia un ajuste del canal.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "Tu cuenta está pendiente. Pide a un miembro existente que te avale con \u0002/msg NickServ VOUCH {account}\u0002.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Avalaste a \u0002{account}\u0002; su cuenta ya está activa."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Avalaste a \u0002{account}\u0002; su cuenta ya está activa.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "Tu oponente se fue. La partida \u0002#{id}\u0002 terminó."
 }

lang/fr.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Syntaxe : \u0002LOGIN <pseudo> <mot de passe>\u0002\nVous connecte au compte de <pseudo> et vous place sur ce pseudo, en libérant toute session qui l'occupe déjà.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Syntaxe : \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfère le fondateur ou modifie un réglage du salon.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "Votre compte est en attente. Demandez à un membre existant de vous parrainer avec \u0002/msg NickServ VOUCH {account}\u0002.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Vous avez parrainé \u0002{account}\u0002 ; son compte est maintenant actif."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Vous avez parrainé \u0002{account}\u0002 ; son compte est maintenant actif.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "Ton adversaire est parti. La partie \u0002#{id}\u0002 est terminée."
 }

lang/pt-br.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Sintaxe: \u0002LOGIN <apelido> <senha>\u0002\nEntra na conta de <apelido> e move você para esse apelido, liberando qualquer sessão que já o ocupe.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Sintaxe: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfere o fundador ou altera uma configuração do canal.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "Sua conta está pendente. Peça a um membro existente para avalizar você com \u0002/msg NickServ VOUCH {account}\u0002.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Você avalizou \u0002{account}\u0002; a conta agora está ativa."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Você avalizou \u0002{account}\u0002; a conta agora está ativa.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "Seu oponente saiu. O jogo \u0002#{id}\u0002 acabou."
 }

lang/pt.json

@@ -1372,5 +1372,6 @@
  "Syntax: \u0002LOGIN <nick> <password>\u0002\nLogs you in to <nick>'s account and moves you onto that nick, freeing any session already holding it.": "Sintaxe: \u0002LOGIN <alcunha> <palavra-passe>\u0002\nInicia sessão na conta de <alcunha> e move-o para essa alcunha, libertando qualquer sessão que já a ocupe.",
  "Syntax: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfers the founder or changes a channel setting.": "Sintaxe: \u0002SET <#channel> FOUNDER <account> | DESC <text> | URL [address] | EMAIL [address] | SUCCESSOR <account>|OFF | SIGNKICK|PRIVATE|PEACE|SECUREOPS|SECUREVOICES|RESTRICTED|AUTOOP|KEEPTOPIC|TOPICLOCK {ON|OFF}\u0002\nTransfere o fundador ou altera uma definição do canal.",
  "Your account is pending. Ask an existing member to vouch for you with \u0002/msg NickServ VOUCH {account}\u0002.": "A sua conta está pendente. Peça a um membro existente que o avalize com \u0002/msg NickServ VOUCH {account}\u0002.",
- "You vouched for \u0002{account}\u0002; their account is now active.": "Avalizou \u0002{account}\u0002; a conta está agora ativa."
+ "You vouched for \u0002{account}\u0002; their account is now active.": "Avalizou \u0002{account}\u0002; a conta está agora ativa.",
+ "Your opponent left. Game \u0002#{id}\u0002 is over.": "O teu adversário saiu. O jogo \u0002#{id}\u0002 acabou."
 }

modules/gameserv/src/lib.rs

@@ -499,8 +499,30 @@ impl Service for GameServ {
         (BLURB, TOPICS)
     }
 
-    fn on_user_quit(&mut self, uid: &str) {
+    fn on_user_quit(&mut self, uid: &str, net: &dyn NetView, store: &dyn Store) -> Vec<NetAction> {
+        // Tell each still-online opponent of an ACTIVE game that the departing guest
+        // ended it (in the opponent's language), then drop the guest's games.
+        let me = self.uid.clone();
+        let mut out = Vec::new();
+        for g in self.games.values() {
+            if g.status != Status::Active {
+                continue;
+            }
+            let opp = if g.acc_a == uid {
+                &g.nick_b
+            } else if g.acc_b == uid {
+                &g.nick_a
+            } else {
+                continue;
+            };
+            if let Some(ouid) = net.uid_by_nick(opp).map(str::to_string) {
+                let lang = net.account_of(&ouid).and_then(|a| store.language_of(a)).unwrap_or_else(|| store.default_language());
+                let text = echo_api::render(&lang, "Your opponent left. Game \x02#{id}\x02 is over.", &[("id", g.id.to_string())]);
+                out.push(NetAction::Notice { from: me.clone(), to: ouid, text });
+            }
+        }
         self.drop_guest_games(uid);
+        out
     }
 
     fn on_command(&mut self, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, net: &dyn NetView, _store: &mut dyn Store) {

src/engine/mod.rs

@@ -736,11 +736,16 @@ impl Engine {
 
     // Forget a user who left the network (QUIT or KILL): drop their membership,
     // any half-finished SASL exchange, and their pending nick-protection timer.
-    fn forget_user(&mut self, uid: &str) {
+    fn forget_user(&mut self, uid: &str) -> Vec<NetAction> {
         // Let services drop state keyed on this uid (e.g. GamesServ guest games)
-        // before the uid can be recycled to a new connection.
+        // before the uid can be recycled to a new connection; collect any notices
-        for svc in self.services.iter_mut() {
+        // they hand back (e.g. telling an opponent their game just ended).
-            svc.on_user_quit(uid);
+        let mut notices = Vec::new();
+        {
+            let Self { services, network, db, .. } = self;
+            for svc in services.iter_mut() {
+                notices.extend(svc.on_user_quit(uid, &*network, &*db));
+            }
         }
         let chans = self.network.channels_of(uid);
         self.network.user_quit(uid);
@@ -751,6 +756,7 @@ impl Engine {
         self.sasl_source.remove(uid); // the captured SASL host/IP dies with the connection too
         self.pending_enforce.retain(|p| p.uid != uid);
         self.forget_chatter_everywhere(uid);
+        notices
     }
 
     // Forget a channel once it's truly gone on the ircd — no members AND no resident
@@ -1607,8 +1613,8 @@ impl Engine {
             NetEvent::Quit { uid, reason } => {
                 // Match before we forget them, so their identity is still resolvable.
                 let what = if reason.is_empty() { "disconnected".to_string() } else { format!("disconnected ({reason})") };
-                let out: Vec<NetAction> = self.notify_line('d', &uid, None, &what).into_iter().collect();
+                let mut out: Vec<NetAction> = self.notify_line('d', &uid, None, &what).into_iter().collect();
-                self.forget_user(&uid);
+                out.extend(self.forget_user(&uid));
                 out
             }
             NetEvent::UserMode { uid, modes } => {
@@ -1641,8 +1647,7 @@ impl Engine {
                     let bots = self.reconcile_bots();
                     return self.finish(out, bots);
                 }
-                self.forget_user(&uid);
+                self.forget_user(&uid)
-                Vec::new()
             }
             NetEvent::ServerLink { sid, parent } => {
                 self.network.server_link(&sid, &parent);
@@ -1653,7 +1658,9 @@ impl Engine {
                 // forget every user behind the departed server and its descendants.
                 for sid in self.network.server_split(&server) {
                     for uid in self.network.uids_on_server(&sid) {
-                        self.forget_user(&uid);
+                        // Drop guest games as usual, but swallow the opponent notices:
+                        // a netsplit is a mass event and must not spray "opponent left".
+                        let _ = self.forget_user(&uid);
                     }
                 }
                 Vec::new()