private void ProcessMessage(BrokeredMessage message)
{
try
{
using (var s = message.GetBody <Stream>())
{
using (var tr = new StreamReader(s))
{
using (var jr = new JsonTextReader(tr))
{
var obj = JObject.ReadFrom(jr);
var msg = obj.ToObject <Message>();
var room = msg.Room;
log.Debug($"Got notification for {room.RoomAddress} as {room.Id} @ {room.OrganizationId}");
_meetingCacheService.ClearUpcomingAppointmentsForRoom(room.RoomAddress);
_broadcastService.BroadcastUpdate(new OrganizationEntity()
{
Id = room.OrganizationId
}, room);
}
}
}
}
catch (Exception ex)
{
log.Warn($"Failed to handle incoming message: {ex}");
}
}
private void BroadcastUpdate(IRoom room)
{
_meetingCacheService.ClearUpcomingAppointmentsForRoom(room.RoomAddress);
_broadcastService.BroadcastUpdate(_contextService.CurrentOrganization, room);
}
private void BroadcastUpdate(string roomAddress)
{
_meetingCacheService.ClearUpcomingAppointmentsForRoom(roomAddress);
_broadcastService.BroadcastUpdate(roomAddress);
}
private async Task DoWork()
{
while (true)
{
log.DebugFormat("Starting RestChangeNotification loop: {0}", _container);
try
{
_cancellationTokenSource = new CancellationTokenSource();
var token = _cancellationTokenSource.Token;
using (var cn = _container.CreateChildContainer())
{
var orgTask = cn.Resolve <IOrganizationRepository>().GetAsync(_organizationId);
var roomTask = cn.Resolve <IRoomMetadataRepository>().GetRoomInfosForOrganizationAsync(_organizationId);
var org = await orgTask;
var rooms = (await roomTask).ToList();
cn.RegisterInstance((IContextService) new CustomOrganizationContextService(org));
rooms.ForEach(r => _meetingCacheService.ClearUpcomingAppointmentsForRoom(r.RoomAddress));
var exch = cn.Resolve <ExchangeRestWrapper>();
log.DebugFormat("Creating {0} tasks", rooms.Count);
var subTasks = rooms.Select(r => new { Room = r, Task = exch.CreateNotification(r.RoomAddress) }).ToList();
await Task.WhenAll(subTasks.Select(_ => _.Task));
log.DebugFormat("Completed {0} tasks", rooms.Count);
var subscriptions = subTasks.Where(i => i.Task.IsCompleted).ToDictionary(i => i.Task.Result.Id, i => i.Room);
log.DebugFormat("Created {0} subscriptions", subscriptions.Count);
foreach (var room in subscriptions.Values)
{
_meetingCacheService.ClearUpcomingAppointmentsForRoom(room.RoomAddress);
}
try
{
var tasks = new List <Task>();
foreach (var keys in subscriptions.Keys.Chunk(20))
{
log.DebugFormat("Waiting for notifications from {0} subscriptions", keys.Length);
// stream subscriptions
var req = new NotificationRequest()
{
ConnectionTimeoutInMinutes = 120,
KeepAliveNotificationIntervalInSeconds = 30,
SubscriptionIds = keys,
};
tasks.Add(Task.Run(async() =>
{
await exch.GetNotifications(req, resp =>
{
var room = subscriptions.TryGetValue(resp.SubscriptionId);
log.DebugFormat("Processing {0} for {1} on {2}", resp.ChangeType, room.RoomAddress, resp.SubscriptionId);
_meetingCacheService.ClearUpcomingAppointmentsForRoom(room.RoomAddress);
_broadcastService.BroadcastUpdate(org, room);
}, _cancellationTokenSource.Token);
}));
}
try
{
await Task.WhenAny(tasks);
}
catch (Exception ex)
{
log.DebugFormat("WhenAny got error: {0}", ex.Message);
}
log.DebugFormat("Cancelling outstanding work");
_cancellationTokenSource.Cancel();
await Task.WhenAll(tasks);
}
catch (Exception ex)
{
log.DebugFormat("DoWork got error: {0}", ex.Message);
}
_cancellationTokenSource.Cancel();
}
}
catch (Exception ex)
{
log.DebugFormat("Issue from main change-detect loop: {0}", ex);
await Task.Delay(1000);
}
}
}
private void OnNotificationEvent(object sender, NotificationEventArgs args)
{
_meetingCacheService.ClearUpcomingAppointmentsForRoom(_room.RoomAddress);
_broadcastService.BroadcastUpdate(_organization, _room);
}