public async Task DelayRemoveTargetAsync(HubConnectionContext connection, RouteTarget target)
{
if (_options.EnableStickySession && connection.TryGetUid(out var uid))
{
await _cache.SetStringAsync(uid, target.ToString(), ExpireIn30Min);
}
}
public bool TryGetTarget(HubConnectionContext connection, out RouteTarget target)
{
var targetValue = _options.EnableStickySession && connection.TryGetUid(out var uid)
? _cache.GetString(uid)
: null;
target = RouteTarget.FromString(targetValue);
return(target != null);
}
public static bool TryGetRouteTarget(this HubConnectionContext connection, out RouteTarget target)
{
target = null;
if (connection.Metadata.TryGetValue("Target", out var value))
{
target = (RouteTarget)value;
}
return(target != null);
}
private void UpdateConnectionCount(string hubName, RouteTarget target, Func <int, int> updateFactory)
{
if (_serverStatus.TryGetValue(hubName, out var serverStatus))
{
serverStatus.TryUpdate(target.ServerId, updateFactory);
}
if (_connectionStatus.TryGetValue($"{hubName}:{target.ServerId}", out var connectionStatus))
{
connectionStatus.TryUpdate(target.ConnectionId, updateFactory);
}
}
public static void AddRouteTarget(this HubConnectionContext connection, RouteTarget target)
{
connection.Metadata.Add("Target", target);
}