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refactor(battle-node): cut handler over to BattleSessionV2 + participants

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Production WS path now constructs RealParticipant + ScriptedBotParticipant
and hands them to BattleSessionV2 instead of the old single-WS
BattleSession. Wire behaviour preserved end-to-end (BattleNodeFlowTests
still pass).

Also fixes a RunAsync bug uncovered by the cutover: WhenAny would
terminate the session as soon as the scripted bot's no-op RunAsync
resolved, killing the live WS read loop before any traffic arrived.
Phase 1 semantics are simpler — wait for ALL participants. Phase 2's
Pvp disconnect propagation will revisit this.
This commit is contained in:
gamer147
2026-06-01 20:07:45 -04:00
parent bbc3a47f7a
commit 91472df6fc
2 changed files with 23 additions and 10 deletions
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14
SVSim.BattleNode/Sessions/BattleSessionV2.cs
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@@ -42,13 +42,13 @@ public sealed class BattleSessionV2
public async Task RunAsync(CancellationToken cancellation)
{
// Run both participants' inbound loops in parallel. First to complete cancels
// the session via the outer cancellation token.
using var cts = CancellationTokenSource.CreateLinkedTokenSource(cancellation);
var aTask = A.RunAsync(cts.Token);
var bTask = B.RunAsync(cts.Token);
await Task.WhenAny(aTask, bTask);
cts.Cancel();
// Run both participants' inbound loops in parallel and wait for them all to
// complete. NoOp/Scripted bots return immediately; Real returns when the WS
// closes. Using WhenAny here would have killed the session as soon as the
// scripted bot's no-op RunAsync resolved. Phase 2's Pvp/Bot cases will need
// disconnect propagation; that's wired in their own task.
var aTask = A.RunAsync(cancellation);
var bTask = B.RunAsync(cancellation);
try { await Task.WhenAll(aTask, bTask); } catch { /* swallow cancellation */ }
await Task.WhenAll(