private void EnqueueAndroidNotification(Device device, PushNotification notification)
{
var config = PushServiceConfiguration.GetSection();
string json = string.Format(@"{{""message"":""{0}"",""msgcnt"":""{1}"",""regid"":""{2}""", notification.Message, device.Badge, device.RegistrationID);
if (notification.Module != PushModule.Unknown && notification.Item != null)
{
var itemType = notification.Item.Type;
var itemId = notification.Item.ID;
if (notification.Item.Type == PushItemType.Subtask && notification.ParentItem != null)
{
itemType = notification.ParentItem.Type;
itemId = notification.ParentItem.ID;
}
json += string.Format(@",""itemid"":""{0}"",""itemtype"":""{1}""", itemId, itemType.ToString().ToLower());
}
json += "}";
var gcmNotification = new GcmNotification()
.ForDeviceRegistrationId(device.Token)
.WithJson(json);
if (config.IsDebug || !config.Gcm.ElementInformation.IsPresent)
{
_log.DebugFormat("notification ({0}) prevented from sending to device {1}", gcmNotification, device.ID);
return;
}
PushBrokerProvider.Instance.QueueNotification(gcmNotification);
}
private static void RegisterApnsService(PushBroker pushBroker, PushServiceConfiguration config)
{
if (!config.Apns.ElementInformation.IsPresent)
{
return;
}
try
{
Log.Debug("registering apns service");
string certPath = config.Apns.CertificatePath;
if (!Path.IsPathRooted(certPath))
{
certPath = Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), certPath);
}
var appleCert = File.ReadAllBytes(certPath);
pushBroker.RegisterAppleService(
new ApplePushChannelSettings(!config.Apns.IsDevelopmentMode, appleCert, config.Apns.CertificatePassword)
{
FeedbackIntervalMinutes = config.Apns.FeedbackIntervalMinutes
});
}
catch (Exception error)
{
Log.Error("couldn't register apns service", error);
}
}
public void Start()
{
XmlConfigurator.Configure();
_notificationCleaner = new NotificationCleaner(PushServiceConfiguration.GetSection().FeedLifetime);
_notificationCleaner.Start();
_serviceHost = new ServiceHost(typeof(PushService));
_serviceHost.Open();
}
private static PushBroker CreateInstance()
{
Log.Info("initializing PushBroker instance");
var config = PushServiceConfiguration.GetSection();
var pushBroker = new PushBroker();
SubscribeOnEvents(pushBroker, config);
RegisterApnsService(pushBroker, config);
RegisterGcmService(pushBroker, config);
return(pushBroker);
}
private static void SubscribeOnEvents(PushBroker pushBroker, PushServiceConfiguration config)
{
pushBroker.OnChannelCreated += (sender, channel) => Log.DebugFormat("channel ({0}) created", channel);
pushBroker.OnChannelDestroyed += sender => Log.Debug("channel destroyed");
pushBroker.OnChannelException += (sender, channel, exception) => Log.ErrorFormat("channel ({0}) exception: {1}", channel, exception);
pushBroker.OnServiceException += (sender, error) => Log.Error("service exception", error);
pushBroker.OnNotificationRequeue += (sender, args) => Log.DebugFormat("notification ({0}) requeue: cancel = {1}", args.Notification, args.Cancel);
pushBroker.OnNotificationSent += (sender, notification) => Log.DebugFormat("notification ({0}) sent", notification);
pushBroker.OnNotificationFailed += (sender, notification, error) =>
{
Log.ErrorFormat("notification ({0}) failed: {1}", notification, error);
if (error is MaxSendAttemptsReachedException)
{
if (Monitor.TryEnter(Lock))
{
try
{
if (_lastRestartTime + config.RestartInterval < DateTime.UtcNow)
{
_instance.StopAllServices(false);
_instance = null;
_lastRestartTime = DateTime.UtcNow;
}
}
catch (Exception restartError)
{
Log.Error("can't restart service", restartError);
}
finally
{
Monitor.Exit(Lock);
}
}
}
};
pushBroker.OnDeviceSubscriptionChanged += (sender, id, subscriptionId, notification) =>
{
Log.DebugFormat("device ({0}) subscription changed to {1}. notification is ({2})", id, subscriptionId, notification);
new DeviceDao().UpdateToken(id, subscriptionId);
};
pushBroker.OnDeviceSubscriptionExpired += (sender, id, utc, notification) =>
{
Log.DebugFormat("device ({0}) subscription expired. notification is ({1}) and utc is ({2})", id, notification, utc);
new DeviceDao().Delete(id);
};
}
private static void SubscribeOnEvents(PushBroker pushBroker, PushServiceConfiguration config)
{
pushBroker.OnChannelCreated += (sender, channel) => Log.DebugFormat("channel ({0}) created", channel);
pushBroker.OnChannelDestroyed += sender => Log.Debug("channel destroyed");
pushBroker.OnChannelException += (sender, channel, exception) => Log.ErrorFormat("channel ({0}) exception: {1}", channel, exception);
pushBroker.OnServiceException += (sender, error) => Log.Error("service exception", error);
pushBroker.OnNotificationRequeue += (sender, args) => Log.DebugFormat("notification ({0}) requeue: cancel = {1}", args.Notification, args.Cancel);
pushBroker.OnNotificationSent += (sender, notification) => Log.DebugFormat("notification ({0}) sent", notification);
pushBroker.OnNotificationFailed += (sender, notification, error) =>
{
Log.ErrorFormat("notification ({0}) failed: {1}", notification, error);
if (error is MaxSendAttemptsReachedException)
{
if (Monitor.TryEnter(Lock))
{
try
{
if (_lastRestartTime + config.RestartInterval < DateTime.UtcNow)
{
_instance.StopAllServices(false);
_instance = null;
_lastRestartTime = DateTime.UtcNow;
}
}
catch (Exception restartError)
{
Log.Error("can't restart service", restartError);
}
finally
{
Monitor.Exit(Lock);
}
}
}
};
pushBroker.OnDeviceSubscriptionChanged += (sender, id, subscriptionId, notification) =>
{
Log.DebugFormat("device ({0}) subscription changed to {1}. notification is ({2})", id, subscriptionId, notification);
new DeviceDao().UpdateToken(id, subscriptionId);
};
pushBroker.OnDeviceSubscriptionExpired += (sender, id, utc, notification) =>
{
Log.DebugFormat("device ({0}) subscription expired. notification is ({1}) and utc is ({2})", id, notification, utc);
new DeviceDao().Delete(id);
};
}
private void EnqueueApnsNotification(Device device, PushNotification notification)
{
var config = PushServiceConfiguration.GetSection();
string message = notification.Message;
if (message != null && message.Length > config.Apns.MaxMessageLength)
{
message = notification.ShortMessage ?? notification.Message;
}
if (message != null && message.Length > config.Apns.MaxMessageLength)
{
_log.WarnFormat("message is larger than maximum allowed length of {0}", config.Apns.MaxMessageLength);
return;
}
var apnsNotification = new AppleNotification()
.ForDeviceToken(device.Token)
.WithAlert(message)
.WithBadge(device.Badge)
.WithCustomItem("regid", device.RegistrationID);
if (notification.Module != PushModule.Unknown && notification.Item != null)
{
var itemType = notification.Item.Type;
var itemId = notification.Item.ID;
if (notification.Item.Type == PushItemType.Subtask && notification.ParentItem != null)
{
itemType = notification.ParentItem.Type;
itemId = notification.ParentItem.ID;
}
apnsNotification.WithCustomItem("itemid", itemId);
apnsNotification.WithCustomItem("itemtype", itemType.ToString().ToLower());
}
if (config.IsDebug || !config.Apns.ElementInformation.IsPresent)
{
_log.DebugFormat("notification ({0}) prevented from sending to device {1}", apnsNotification, device.ID);
return;
}
PushBrokerProvider.Instance.QueueNotification(apnsNotification);
}
private static void RegisterGcmService(PushBroker pushBroker, PushServiceConfiguration config)
{
if (!config.Gcm.ElementInformation.IsPresent)
{
return;
}
try
{
Log.Debug("registering gcm service");
pushBroker.RegisterGcmService(new GcmPushChannelSettings(config.Gcm.AuthorizationKey));
}
catch (Exception error)
{
Log.Error("couldn't register gcm service", error);
}
}
private static void RegisterGcmService(PushBroker pushBroker, PushServiceConfiguration config)
{
if (!config.Gcm.ElementInformation.IsPresent)
return;
try
{
Log.Debug("registering gcm service");
pushBroker.RegisterGcmService(new GcmPushChannelSettings(config.Gcm.AuthorizationKey));
}
catch (Exception error)
{
Log.Error("couldn't register gcm service", error);
}
}
private static void RegisterApnsService(PushBroker pushBroker, PushServiceConfiguration config)
{
if (!config.Apns.ElementInformation.IsPresent)
return;
try
{
Log.Debug("registering apns service");
string certPath = config.Apns.CertificatePath;
if (!Path.IsPathRooted(certPath))
certPath = Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), certPath);
var appleCert = File.ReadAllBytes(certPath);
pushBroker.RegisterAppleService(
new ApplePushChannelSettings(!config.Apns.IsDevelopmentMode, appleCert, config.Apns.CertificatePassword)
{
FeedbackIntervalMinutes = config.Apns.FeedbackIntervalMinutes
});
}
catch (Exception error)
{
Log.Error("couldn't register apns service", error);
}
}