public void UdpBroadcastMessage_Serialize()
{
// Verify that we can serialize and deserialize a message.
UdpBroadcastMessage msg;
byte[] buffer;
IPAddress address = Helper.ParseIPAddress("10.1.2.3");
msg = new UdpBroadcastMessage(UdpBroadcastMessageType.ClientRegister, address, 5, new byte[] { 0, 1, 2, 3, 4 });
msg.TimeStampUtc = new DateTime(2010, 3, 19);
Assert.AreEqual(UdpBroadcastMessageType.ClientRegister, msg.MessageType);
Assert.AreEqual(5, msg.BroadcastGroup);
CollectionAssert.AreEqual(new byte[] { 0, 1, 2, 3, 4 }, msg.Payload);
Assert.AreEqual(address, msg.SourceAddress);
buffer = msg.ToArray(sharedKey);
msg = new UdpBroadcastMessage(buffer, sharedKey);
Assert.AreEqual(UdpBroadcastMessageType.ClientRegister, msg.MessageType);
Assert.AreEqual(new DateTime(2010, 3, 19), msg.TimeStampUtc);
Assert.AreEqual(5, msg.BroadcastGroup);
CollectionAssert.AreEqual(new byte[] { 0, 1, 2, 3, 4 }, msg.Payload);
Assert.AreEqual(address, msg.SourceAddress);
// Verify that the message envelope size constant is correct.
Assert.IsTrue(UdpBroadcastMessage.EnvelopeSize >= buffer.Length - msg.Payload.Length);
}
/// <summary>
/// Constructs a <see cref="UdpBroadcastMessage"/> from the parameters passed and
/// serializes it into the wire format.
/// </summary>
/// <param name="messageType">The message type.</param>
/// <param name="sourceAddress">The IP address of the message source.</param>
/// <param name="broadcastGroup">The broadcast group.</param>
/// <param name="payload">The broadcast packet payload.</param>
/// <returns>The packet bytes.</returns>
private byte[] GetMessageBytes(UdpBroadcastMessageType messageType, IPAddress sourceAddress, int broadcastGroup, byte[] payload)
{
var message = new UdpBroadcastMessage(messageType, sourceAddress, broadcastGroup, payload);
if (FixedTimestampUtc > DateTime.MinValue)
{
message.TimeStampUtc = FixedTimestampUtc;
}
return(message.ToArray(settings.SharedKey));
}