public static Message <Accept> ReadAssociationAccept(NetworkBinaryReader dr)
{
var acc = new Accept();
acc.PresentationContexts = new List <PresentationContext>();
dr.Skip(1); //PDU ID and Reserved Null Byte
int length = LengthReader.ReadBigEndian(dr.Take(4));
using (DICOMBinaryReader sub = dr.GetSubStream(length))
{
acc.ProtocolVersion = LengthReader.ReadBigEndian(sub, 2);
sub.Skip(2); //Reserved Null Bytes
acc.CalledEntityTitle = sub.ReadString(16).Trim();
acc.CallingEntityTitle = sub.ReadString(16).Trim();
sub.Skip(32); //Reserved Null Bytes
acc.ApplicationContext = ItemReader.ReadApplicationContext(sub);
while (sub.Peek(1).First() == (byte)ItemType.PRESENTATION_CONTEXT_ACCEPT)
{
PresentationContext context = ItemReader.ReadPresentationCtxAccept(sub);
if (context != null)
{
acc.PresentationContexts.Add(context);
}
}
acc.UserInfo = ItemReader.ReadUserInfo(sub);
}
return(new Message <Accept> {
Payload = acc, Type = MessageType.PDU
});
}
public static Message <Request> ReadAssociationRequest(NetworkBinaryReader dr)
{
var rq = new Request();
rq.PresentationContexts = new List <PresentationContext>();
dr.Skip(1); //PDU ID and Reserved Null Byte
int length = LengthReader.ReadBigEndian(dr.Take(4));
using (DICOMBinaryReader sub = dr.GetSubStream(length))
{
rq.ProtocolVersion = LengthReader.ReadBigEndian(sub, 2);
sub.Skip(2); //Reserved Null Bytes
rq.CalledEntityTitle = sub.ReadString(16).Trim();
rq.CallingEntityTitle = sub.ReadString(16).Trim();
sub.Skip(32); //Reserved Null Bytes
rq.ApplicationContext = ItemReader.ReadApplicationContext(sub);
while (sub.Peek(1)[0] == (byte)ItemType.PRESENTATION_CONTEXT_REQUEST)
{
PresentationContext context = ItemReader.ReadPresentationCtxRequest(sub);
rq.PresentationContexts.Add(context);
}
rq.UserInfo = ItemReader.ReadUserInfo(sub);
}
return(new Message <Request> {
Payload = rq, Type = MessageType.PDU
});
}
private static string ReadUIDItem(DICOMBinaryReader dr, string itemName, ItemType iType)
{
AssertItemType(dr, itemName, iType);
dr.Skip(2); // PDU ID and Reserved Null Byte
var length = LengthReader.ReadBigEndian(dr, 2);
return(dr.ReadString(length).Trim());
}