public void ValidateUadpPubSubConnectionCreateNetworkMessage()
{
Assert.IsNotNull(m_uadpPublisherConnection, "The UADP connection from standard configuration is invalid.");
//Arrange
WriterGroupDataType writerGroup0 = m_uadpPublisherConnection.PubSubConnectionConfiguration.WriterGroups[0];
UadpWriterGroupMessageDataType messageSettings = ExtensionObject.ToEncodeable(writerGroup0.MessageSettings)
as UadpWriterGroupMessageDataType;
//Act
m_uadpPublisherConnection.ResetSequenceNumber();
UadpNetworkMessage networkMessage0 = m_uadpPublisherConnection.CreateNetworkMessage(writerGroup0) as UadpNetworkMessage;
//Assert
Assert.IsNotNull(networkMessage0, "CreateNetworkMessage did not return an UadpNetworkMessage.");
Assert.AreEqual(networkMessage0.DataSetClassId, Guid.Empty, "UadpNetworkMessage.DataSetClassId is invalid.");
Assert.AreEqual(networkMessage0.WriterGroupId, writerGroup0.WriterGroupId, "UadpNetworkMessage.WriterGroupId is invalid.");
Assert.AreEqual(networkMessage0.UADPVersion, 1, "UadpNetworkMessage.UADPVersion is invalid.");
Assert.AreEqual(networkMessage0.SequenceNumber, 1, "UadpNetworkMessage.SequenceNumber is not 1.");
Assert.AreEqual(networkMessage0.GroupVersion, messageSettings.GroupVersion, "UadpNetworkMessage.GroupVersion is not valid.");
Assert.AreEqual(networkMessage0.PublisherId, m_uadpPublisherConnection.PubSubConnectionConfiguration.PublisherId.Value,
"UadpNetworkMessage.PublisherId is not valid.");
Assert.IsNotNull(networkMessage0.UadpDataSetMessages, "UadpNetworkMessage.UadpDataSetMessages is null.");
Assert.AreEqual(networkMessage0.UadpDataSetMessages.Count, 3, "UadpNetworkMessage.UadpDataSetMessages.Count is not 3.");
//validate flags
Assert.AreEqual((uint)networkMessage0.NetworkMessageContentMask, messageSettings.NetworkMessageContentMask,
"UadpNetworkMessage.messageSettings.NetworkMessageContentMask is not valid.");
}
public void ValidateUadpPubSubConnectionNetworkMessagePublishMulticast()
{
//Arrange
var localhost = GetFirstNic();
Assert.IsNotNull(localhost, "localhost is null");
Assert.IsNotNull(localhost.Address, "localhost.Address is null");
//create publisher configuration object with modified port
PubSubConfigurationDataType publisherConfiguration = UaPubSubConfigurationHelper.LoadConfiguration(PublisherConfigurationFileName);
Assert.IsNotNull(publisherConfiguration, "publisherConfiguration is null");
IPAddress multicastIPAddress = new IPAddress(new byte[4] {
239, 0, 0, 1
});
Assert.IsNotNull(multicastIPAddress, "multicastIPAddress is null");
NetworkAddressUrlDataType publisherAddress = new NetworkAddressUrlDataType();
publisherAddress.Url = "opc.udp://" + multicastIPAddress.ToString() + ":4840";
publisherConfiguration.Connections[0].Address = new ExtensionObject(publisherAddress);
//create publisher UaPubSubApplication with changed configuration settings
UaPubSubApplication publisherApplication = UaPubSubApplication.Create(publisherConfiguration);
Assert.IsNotNull(publisherApplication, "publisherApplication is null");
UadpPubSubConnection publisherConnection = publisherApplication.PubSubConnections[0] as UadpPubSubConnection;
Assert.IsNotNull(publisherConnection, "publisherConnection is null");
// will signal that the uadp message was received from local ip
m_shutdownEvent = new ManualResetEvent(false);
//setup uadp client for receiving from multicast (simulate a subscriber multicast)
UdpClient udpMulticastClient = new UdpClientMulticast(localhost.Address, multicastIPAddress, 4840);
udpMulticastClient.BeginReceive(new AsyncCallback(OnReceive), udpMulticastClient);
// prepare a network message
WriterGroupDataType writerGroup0 = publisherConnection.PubSubConnectionConfiguration.WriterGroups[0];
UaNetworkMessage networkMessage = publisherConnection.CreateNetworkMessage(writerGroup0);
//Act
publisherConnection.Start();
publisherConnection.PublishNetworkMessage(networkMessage);
//Assert
if (!m_shutdownEvent.WaitOne(EstimatedPublishingTime))
{
Assert.Fail("The UADP message was not received");
}
publisherConnection.Stop();
udpMulticastClient.Close();
udpMulticastClient.Dispose();
}
/// <summary>
/// Prepare data
/// </summary>
/// <param name="publisherConnection"></param>
/// <returns></returns>
private byte[] PrepareData(UadpPubSubConnection publisherConnection)
{
try
{
WriterGroupDataType writerGroup0 = publisherConnection.PubSubConnectionConfiguration.WriterGroups[0];
UaNetworkMessage message = publisherConnection.CreateNetworkMessage(writerGroup0);
ServiceMessageContext messageContext = new ServiceMessageContext();
BinaryEncoder encoder = new BinaryEncoder(messageContext);
message.Encode(encoder);
byte[] bytes = ReadBytes(encoder.BaseStream);
encoder.Dispose();
return(bytes);
}
catch (Exception)
{
}
return(new byte[0]);
}
