SVSim/SVSimServer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix(battle-node): harden SIO parse + narrow Matched OppoId/Seed to int

Browse Source 
#3: SocketIoFrame.Parse now range-checks the packet type char (was
unchecked cast — any char outside 0-6 produced an undefined enum
value) and uses int.TryParse for ack-id (was int.Parse — a >10-digit
ack-id threw OverflowException, tearing down the WS mid-game). Both
now throw ArgumentException consistently. The read loop in
RealParticipant wraps both EIO and SIO parse calls with try-catch so
a malformed frame is logged and skipped instead of killing the battle.

#4: MatchedSelfInfo/MatchedOppoInfo OppoId and Seed narrowed from
long to int. The client reads both with Convert.ToInt32 inside a
swallowing try/catch — any value > int.MaxValue silently dropped the
Matched event, preventing the battle from starting. Seed was already
int-range (BattleSeeds.Stable returns int); OppoId (viewer ID) is
~847M in captures, well under int.MaxValue. The narrowing cast now
happens explicitly in ServerBattleFrames.BuildMatched at the wire
boundary.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-06-04 21:57:29 -04:00
parent e9af7af1b8
commit 99129c786c
9 changed files with 65 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
SVSim.UnitTests/BattleNode/Sessions/BattleSessionDispatchTests.cs
View File

@@ -99,8 +99,8 @@ public class BattleSessionDispatchTests
var routes = s.ComputeFrames(a, NewEnvelope(NetworkBattleUri.InitBattle));
var body = (MatchedBody)routes[0].Frame.Body;
Assert.That(body.SelfInfo.Seed, Is.EqualTo((long)BattleSeeds.Stable(s.MasterSeed)));
Assert.That(body.OppoInfo.Seed, Is.EqualTo((long)BattleSeeds.Stable(s.MasterSeed)));
Assert.That(body.SelfInfo.Seed, Is.EqualTo(BattleSeeds.Stable(s.MasterSeed)));
Assert.That(body.OppoInfo.Seed, Is.EqualTo(BattleSeeds.Stable(s.MasterSeed)));
}
[Test]