/// <summary>
/// Updates the service data.
/// </summary>
/// <param name="systemId">The system identifier.</param>
/// <param name="serviceData">The service data.</param>
public void UpdateServiceData(string systemId, ServiceInfoData serviceData)
{
ServiceInfoData clonedService = serviceData.Clone();
int serviceIndex = Array.IndexOf(SupportedServices, serviceData.serviceId);
if (serviceIndex >= 0)
{
lock (_serviceDataLock)
{
ServiceInfoData existingService;
if (_serviceData[serviceIndex].TryGetValue(systemId, out existingService))
{
if (existingService.Equals(serviceData))
{
clonedService = null;
}
}
if (clonedService != null)
{
_serviceData[serviceIndex][systemId] = clonedService;
}
}
string notificationUrl;
bool subscribed;
lock (_serviceSubscriptionLock)
{
subscribed = _serviceSubscriptions[serviceIndex] == true;
notificationUrl = _serviceNotificationUrl;
}
if (subscribed)
{
bool isOnline = _identificationService.IsSystemOnline(systemId);
DataPackageTests.T2GServiceInterface.Notification.serviceList serviceList = new DataPackageTests.T2GServiceInterface.Notification.serviceList();
serviceList.Capacity = 1;
if (isOnline || clonedService.isAvailable == false)
{
serviceList.Add(clonedService);
}
else
{
serviceList.Add(clonedService.Clone());
serviceList[0].isAvailable = false;
}
EndpointAddress address = new EndpointAddress(notificationUrl);
using (NotificationClient client = new NotificationClient("NotificationClient", address))
{
try
{
client.Open();
client.onServiceNotification(systemId, isOnline, serviceIndex + 1, serviceList);
}
finally
{
if (client.State == CommunicationState.Faulted)
{
client.Abort();
}
}
}
}
}
}
public subscribeToServiceNotificationsOutput subscribeToServiceNotifications(subscribeToServiceNotificationsInput request)
{
if (!_identificationService.IsSessionValid(request.Body.sessionId))
{
throw FaultExceptionFactory.CreateInvalidSessionIdentifierFault();
}
string notificationUrl = _identificationService.GetNotificationUrl(request.Body.sessionId);
if (string.IsNullOrEmpty(notificationUrl))
{
throw FaultExceptionFactory.CreateNoNotificationUrlFault();
}
if (request.Body.systemIdList.Count != 0)
{
throw FaultExceptionFactory.CreateOnlySubscriptionToAllSystemIsSupportedFault();
}
int serviceIndex = Array.IndexOf(SupportedServices, (ushort)request.Body.serviceId);
if (serviceIndex < 0)
{
throw FaultExceptionFactory.CreateInvalidServiceIdentifierFault();
}
lock (_serviceSubscriptionLock)
{
_serviceSubscriptions[serviceIndex] = true;
_serviceNotificationUrl = notificationUrl;
}
Dictionary <string, ServiceInfoData> serviceData;
lock (_serviceDataLock)
{
serviceData = new Dictionary <string, ServiceInfoData>(_serviceData[serviceIndex]);
}
// Notify the subscribers
if (serviceData.Count > 0)
{
DataPackageTests.T2GServiceInterface.Notification.serviceList serviceList = new DataPackageTests.T2GServiceInterface.Notification.serviceList();
serviceList.Capacity = 1;
EndpointAddress address = new EndpointAddress(notificationUrl);
using (NotificationClient client = new NotificationClient("NotificationClient", address))
{
try
{
client.Open();
foreach (KeyValuePair <string, ServiceInfoData> notification in serviceData)
{
if (serviceList.Count == 0)
{
serviceList.Add(notification.Value);
}
else
{
serviceList[0] = notification.Value;
}
client.onServiceNotification(notification.Key, _identificationService.IsSystemOnline(notification.Key), serviceIndex + 1, serviceList);
}
}
finally
{
if (client.State == CommunicationState.Faulted)
{
client.Abort();
}
}
}
}
subscribeToServiceNotificationsOutputBody body = new subscribeToServiceNotificationsOutputBody(serviceIndex + 1);
subscribeToServiceNotificationsOutput result = new subscribeToServiceNotificationsOutput(body);
return(result);
}
/// <summary>
/// Called when online status on a train changed.
/// </summary>
/// <param name="systemId">The system identifier.</param>
/// <param name="isOnline">true if system became online, false if it became offline.</param>
private void OnlineStatusChangedLogic(string systemId, bool isOnline)
{
ServiceInfoData[] data = (ServiceInfoData[])Array.CreateInstance(typeof(ServiceInfoData), SupportedServices.Length);
lock (_serviceDataLock)
{
for (int i = 0; i < SupportedServices.Length; ++i)
{
ServiceInfoData serviceInfo;
if (_serviceData[i].TryGetValue(systemId, out serviceInfo))
{
data[i] = serviceInfo.Clone();
data[i].isAvailable = data[i].isAvailable && isOnline;
}
}
}
bool[] subscribed;
string notificationUrl;
lock (_serviceSubscriptionLock)
{
notificationUrl = _serviceNotificationUrl;
subscribed = (bool[])_serviceSubscriptions.Clone();
}
if (!string.IsNullOrEmpty(notificationUrl))
{
using (NotificationClient client = new NotificationClient("NotificationClient", notificationUrl))
{
try
{
DataPackageTests.T2GServiceInterface.Notification.serviceList serviceList = new DataPackageTests.T2GServiceInterface.Notification.serviceList();
serviceList.Capacity = 1;
for (int i = 0; i < subscribed.Length; ++i)
{
if (subscribed[i] && data[i] != null)
{
if (client.State == CommunicationState.Closed)
{
client.Open();
}
serviceList.Add(data[i]);
client.onServiceNotification(systemId, isOnline, i + 1, serviceList);
serviceList.Clear();
}
}
if (client.State == CommunicationState.Opened)
{
client.Close();
}
}
finally
{
if (client.State == CommunicationState.Faulted)
{
client.Abort();
}
}
}
}
}