public MatchmakingRequestCompletionArgs(string ticketId, MatchmakingRequestState state, Assignment assignment, string error)
{
this.TicketId = ticketId;
this.State = state;
this.Assignment = assignment;
this.Error = error;
}
/// <summary>
/// <para>Dispose the MatchmakingRequest and release resources. All in-flight web requests will be disposed regardless of state.
/// Object methods will no-op after disposal.</para>
/// <para>Best practice is to ensure that Cancel() has been called and completed before calling Dispose().</para>
/// </summary>
public void Dispose()
{
if (!m_Disposed)
{
// Dispose any leftover web requests; most of these should be disposed of elsewhere
// This is just a catch-all in case we Dispose() in the middle of a request
var createInFlight = false;
var getInFlight = false;
var deleteInFlight = false;
if (m_CreateTicketAsyncOperation != null)
{
createInFlight = MatchmakingClient.IsWebRequestSent(m_CreateTicketAsyncOperation);
m_CreateTicketAsyncOperation.completed -= OnCreateTicketAsyncCompleted;
m_CreateTicketAsyncOperation.webRequest?.Dispose();
m_CreateTicketAsyncOperation = null;
}
if (m_GetTicketAsyncOperation != null)
{
getInFlight = State == MatchmakingRequestState.Polling;
m_GetTicketAsyncOperation.completed -= OnGetTicketAsyncCompleted;
m_GetTicketAsyncOperation.webRequest?.Dispose();
m_GetTicketAsyncOperation = null;
}
if (m_DeleteTicketAsyncOperation != null)
{
deleteInFlight = !m_DeleteTicketAsyncOperation.isDone;
m_DeleteTicketAsyncOperation.completed -= OnDeleteTicketAsyncCompleted;
m_DeleteTicketAsyncOperation.webRequest?.Dispose();
m_DeleteTicketAsyncOperation = null;
}
if ((createInFlight || getInFlight) && State != MatchmakingRequestState.Canceled)
{
Debug.LogWarning(logPre +
$"{nameof(MatchmakingRequest)} was terminated without being deleted." +
" This may cause ghost tickets in the matchmaker.");
}
if (deleteInFlight)
{
Debug.LogWarning(logPre +
$"{nameof(MatchmakingRequest)} was terminated while a Delete request was in flight" +
"; Delete may not be processed by the matchmaker.");
}
if (!IsDone)
{
State = MatchmakingRequestState.Disposed;
SetTerminalState();
}
m_Disposed = true;
}
}
public async Task FindMatch(RequestContext <IScenePeerClient> request)
{
_logger.Log(LogLevel.Trace, "matchmaker", "received a matchmaking request", new { });
var group = new Group();
var provider = request.ReadObject <string>();
var currentUser = await _sessions.GetUser(request.RemotePeer);
foreach (var extractor in _extractors)
{
if (await extractor.ExtractData(provider, request, group))
{
break;
}
}
_logger.Log(LogLevel.Trace, "matchmaker", "data extracted from the matchmaking request", new { group });
foreach (var p in group.Players)
{
if (_usersToGroup.ContainsKey(p.UserId))
{
throw new ClientException($"'{p.UserId} is already waiting for a match.");
}
}
var state = new MatchmakingRequestState(group);
_waitingGroups[group] = state;
foreach (var user in group.Players)
{
_usersToGroup[user.UserId] = group;
}
request.CancellationToken.Register(() =>
{
state.Tcs.TrySetCanceled();
});
var memStream = new MemoryStream();
request.InputStream.Seek(0, SeekOrigin.Begin);
request.InputStream.CopyTo(memStream);
await BroadcastToPlayers(group, UPDATE_FINDMATCH_REQUEST_PARAMS_ROUTE, (s, sz) =>
{
memStream.Seek(0, System.IO.SeekOrigin.Begin);
memStream.CopyTo(s);
});
await BroadcastToPlayers(group, UPDATE_NOTIFICATION_ROUTE, (s, sz) =>
{
s.WriteByte((byte)MatchmakingStatusUpdate.SearchStart);
});
state.State = RequestState.Ready;
IMatchResolverContext resolutionContext;
try
{
resolutionContext = await state.Tcs.Task;
}
catch (TaskCanceledException)
{
await BroadcastToPlayers(group, UPDATE_NOTIFICATION_ROUTE, (s, sz) => s.WriteByte((byte)MatchmakingStatusUpdate.Cancelled));
}
finally //Always remove group from list.
{
MatchmakingRequestState _;
foreach (var player in group.Players)
{
Group grp1;
_usersToGroup.TryRemove(player.UserId, out grp1);
}
_waitingGroups.TryRemove(group, out _);
if (_.Candidate != null)
{
MatchReadyCheck rc;
if (_pendingReadyChecks.TryGetValue(_.Candidate.Id, out rc))
{
if (!rc.RanToCompletion)
{
rc.Cancel(currentUser.Id);
}
}
}
}
}
public async Task FindMatch(RequestContext <IScenePeerClient> request)
{
var group = new Group();
var provider = request.ReadObject <string>();
var currentUser = await _sessions.GetUser(request.RemotePeer);
var dataExtracted = false;
foreach (var extractor in _extractors)
{
if (await extractor.ExtractData(provider, request, group))
{
dataExtracted = true;
break;
}
}
if (!dataExtracted)
{
throw new ClientException($"Unkown matchmaking provider '{provider}'.");
}
var peersInGroup = await Task.WhenAll(group.Players.Select(async p => new { Peer = await _sessions.GetPeer(p.UserId), Player = p }));
foreach (var p in peersInGroup)
{
if (p.Peer == null)
{
throw new ClientException($"'{p.Player.UserId} has disconnected.");
}
if (_peersToGroup.ContainsKey(p.Peer.Id))
{
throw new ClientException($"'{p.Player.UserId} is already waiting for a match.");
}
}
var state = new MatchmakingRequestState(group);
_waitingGroups[group] = state;
foreach (var p in peersInGroup)
{
_peersToGroup[p.Peer.Id] = group;
}
request.CancellationToken.Register(() =>
{
state.Tcs.TrySetCanceled();
});
var memStream = new MemoryStream();
request.InputStream.Seek(0, SeekOrigin.Begin);
request.InputStream.CopyTo(memStream);
await BroadcastToPlayers(group, UPDATE_FINDMATCH_REQUEST_PARAMS_ROUTE, (s, sz) =>
{
memStream.Seek(0, System.IO.SeekOrigin.Begin);
memStream.CopyTo(s);
});
await BroadcastToPlayers(group, UPDATE_NOTIFICATION_ROUTE, (s, sz) =>
{
s.WriteByte((byte)MatchmakingStatusUpdate.SearchStart);
});
state.State = RequestState.Ready;
IMatchResolverContext resolutionContext;
try
{
resolutionContext = await state.Tcs.Task;
}
catch (TaskCanceledException)
{
_scene.Send(new MatchArrayFilter(peersInGroup.Select(p => p.Peer.Id)), UPDATE_NOTIFICATION_ROUTE, s => s.WriteByte((byte)MatchmakingStatusUpdate.Cancelled), PacketPriority.MEDIUM_PRIORITY, PacketReliability.RELIABLE);
}
finally //Always remove group from list.
{
MatchmakingRequestState _;
foreach (var p in peersInGroup)
{
Group grp1;
_peersToGroup.TryRemove(p.Peer.Id, out grp1);
}
_waitingGroups.TryRemove(group, out _);
if (_.Candidate != null)
{
MatchReadyCheck rc;
if (_pendingReadyChecks.TryGetValue(_.Candidate.Id, out rc))
{
if (!rc.RanToCompletion)
{
rc.Cancel(currentUser.Id);
}
}
}
}
}
