From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 17 Jul 2020 23:20:03 +0000 (+0100)
Subject: impl InstanceGuard::destroy
X-Git-Tag: otter-0.2.0~1314
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=e3a3a4db4766725fef04a61b91451777c5f6219e;p=otter.git

impl InstanceGuard::destroy
---

diff --git a/src/global.rs b/src/global.rs
index c23537c1..59b20bdf 100644
--- a/src/global.rs
+++ b/src/global.rs
@@ -141,6 +141,16 @@ impl InstanceGuard<'_> {
     Id::global_tokens(PRIVATE_Y).write().unwrap().insert(token, iad);
   }
 
+  pub fn destroy(mut self) {
+    Self::forget_all_tokens(&mut self.ig.tokens_players);
+    Self::forget_all_tokens(&mut self.ig.tokens_clients);
+  }
+  fn forget_all_tokens<Id:AccessId>(tokens: &mut TokenRegistry<Id>) {
+    let global : &RwLock<TokenTable<Id>> = AccessId::global_tokens(PRIVATE_Y);
+    let mut global = global.write().unwrap();
+    for t in tokens.tr.drain() { global.remove(&t); }
+  }
+
   #[throws(OE)]
   fn save_game_now(&mut self) { eprintln!("xxx would save!"); }
   #[throws(OE)]