Fix server trying to match people with disconnected people

src/main.rs

@@ -102,8 +102,12 @@ impl Shared {
 		{
 			let client = self.clients.get_mut(addr).unwrap();
 			client.partner = None;
-			client.send_status("Waiting for another person...".to_owned()).unwrap();
+			if client.send_status("Waiting for another person...".to_owned()).is_err() {
+				// we aren't valid
+				return;
+			}
 		}
+		
 		match self.single {
 			Some(x) => {
 				if x == *addr { return; } // don't match with ourselves
@@ -113,13 +117,20 @@ impl Shared {
 				{
 					let client = self.clients.get_mut(addr).unwrap();
 					client.partner = Some(x);
-					client.send_success(format!("You are now connected to {}.", their_username)).unwrap();
+					if client.send_success(format!("You are now connected to {}.", their_username)).is_err() {
+						// we aren't valid
+						return;
+					}
 				}
 				
 				{
 					let partner = self.clients.get_mut(&x).unwrap();
 					partner.partner = Some(*addr);
-					partner.send_success(format!("You are now connected to {}.", our_username)).unwrap();
+					if partner.send_success(format!("You are now connected to {}.", our_username)).is_err() {
+						// they aren't valid
+						self.single = Some(addr.to_owned());
+						return;
+					}
 				}
 				
 				self.single = None;