private SipRegistration(String contact_prefs, List<Destination> destination_list, UsageManager manager) {
if (contact_prefs == null || destination_list == null || destination_list.Count == 0)
throw new ArgumentException("SipRegistration does not allow null parameter or destination list < 1");
type = SipRegistrationType.sip_registration_route;
codePoint = Usage_Code_Point.SIP_REGISTRATION;
length = (UInt16)(contact_prefs.Length + 2);
length += (UInt16)(ReloadMessage.GetDestListNetLength(destination_list) + 2); // + 2 destList preceeding "length" value
data = new SipRegistrationData(contact_prefs, destination_list);
myManager = manager;
}
/// <summary>
/// This method reads deserializes a SipRegistration datagramm from incomming bytes.
/// </summary>
/// <param name="rm">The ReloadMessage helper class</param>
/// <param name="reader">The incomming byte stream reader</param>
/// <param name="usage_size">Size of the Usage datagramm.</param>
/// <returns></returns>
public IUsage FromReader(ReloadMessage rm, BinaryReader reader, long usage_size) {
try {
type = (SipRegistrationType)reader.ReadByte();
this.length = (UInt16)(IPAddress.HostToNetworkOrder(
(short)reader.ReadInt16()));
switch (type) {
case SipRegistrationType.sip_registration_uri:
UInt16 len = (UInt16)(IPAddress.HostToNetworkOrder((short)reader.ReadInt16()));
data = new SipRegistrationData(Encoding.UTF8.GetString(reader.ReadBytes(len), 0, len));
break;
case SipRegistrationType.sip_registration_route:
len = (UInt16)(IPAddress.HostToNetworkOrder((short)reader.ReadInt16()));
string contact_prefs = Encoding.UTF8.GetString(reader.ReadBytes(len), 0, len);
len = (UInt16)(IPAddress.HostToNetworkOrder((short)reader.ReadInt16()));
data = new SipRegistrationData(contact_prefs, rm.ReadDestList(reader, len));
break;
default:
throw new SystemException(String.Format("Invalid SipRegistrationType {0}!", type));
}
usage_size = usage_size - (length);
}
catch (Exception ex) {
throw ex;
}
return this;
}
/// <summary>
/// If the registration is of type "sip_registration_uri", then the
/// contents are an opaque string containing the URI.
/// </summary>
/// <param name="sip_uri">The SIP URI to be stored</param>
private SipRegistration(String sip_uri, UsageManager manager) {
if (sip_uri == null || sip_uri.Length == 0)
throw new ArgumentNullException("SIP URI can not be null or size = 0");
codePoint = Usage_Code_Point.SIP_REGISTRATION;
type = SipRegistrationType.sip_registration_uri;
data = new SipRegistrationData(sip_uri);
length = (UInt16)(sip_uri.Length + 2); // +2 for preceding length value (short)
myManager = manager;
}