/// <summary>
/// Receive push notification on the specified port.
/// </summary>
/// <param name="addressFamily">Specifies which IP family to use.</param>
/// <returns>The opaque data received from server.</returns>
private string GetPushNotification(Add_Families addressFamily)
{
string opaque = null;
int port = int.Parse(Common.GetConfigurationPropertyValue("NotificationPort", this.Site));
using (UdpClient udpClient = new UdpClient(port, addressFamily == Add_Families.AF_INET ? System.Net.Sockets.AddressFamily.InterNetwork : System.Net.Sockets.AddressFamily.InterNetworkV6))
{
udpClient.Client.ReceiveTimeout = int.Parse(Common.GetConfigurationPropertyValue("ReceiveTimeout", this.Site));
IPEndPoint remote = new IPEndPoint(IPAddress.Any, 0);
byte[] data;
try
{
data = udpClient.Receive(ref remote);
opaque = System.Text.Encoding.ASCII.GetString(data).Replace("\0", string.Empty);
return opaque;
}
catch (SocketException exception)
{
Site.Assert.Fail("Failed to receive the push notification. The error message is {0}.", exception.Message);
return string.Empty;
}
}
}
/// <summary>
/// The method EcRRegisterPushNotification registers a callback address with the server for a Session Context.
/// </summary>
/// <param name="pcxh">A unique value to be used as a CXH.</param>
/// <param name="rgbContext">This parameter contains opaque client-generated context data that is sent back to the client at the callback address.</param>
/// <param name="addType">The type of the cbCallbackAddress.</param>
/// <param name="ip">The client IP used in this method.</param>
/// <param name="notificationHandle">If the call completes successfully, this output parameter will contain a handle to the notification callback on the server.</param>
/// <returns>If success, it returns 0, else returns the error code.</returns>
public uint EcRRegisterPushNotification(ref IntPtr pcxh, byte[] rgbContext, Add_Families addType, string ip, out uint notificationHandle)
{
notificationHandle = 0;
uint retValue = 0;
ushort clientContextSize = (ushort)(rgbContext == null ? 0 : rgbContext.Length);
try
{
ushort port = ushort.Parse(Common.GetConfigurationPropertyValue("NotificationPort", this.Site));
IntPtr oldPcxh = pcxh;
retValue = NativeMethods.EcRRegisterPushNotificationWrap(
ref pcxh,
(short)addType,
ip,
port,
rgbContext,
clientContextSize,
out notificationHandle);
this.VerifyEcRRegisterPushNotification(pcxh, retValue, oldPcxh);
}
catch (SEHException e)
{
retValue = NativeMethods.RpcExceptionCode(e);
}
return retValue;
}
