/// <summary>
/// For creating outgoing frames
/// </summary>
/// <param name="sendCounter"></param>
/// <param name="receiveCounter"></param>
/// <param name="payload"></param>
public FrameTcp(uint sendCounter, uint receiveCounter, ushort keyNumber, InformationId informationId, params FrameVdS[] payload)
{
// AES frames must be blocks of 16 bytes
//var tmpLen = (payload.Sum(p => p.GetByteCount()) + 13) / 16.0;
//var aesLength = (int)(Math.Ceiling(tmpLen) * 16);
var aesLength = 160;
this.FillByteCount = aesLength - payload.Sum(p => p.GetByteCount() + 13);
// K + SL + aesBuffer
this.buffer = new byte[2 + 2 + aesLength];
// copy payload into buffer
var payloadBytes = payload.SelectMany(p => p.Serialize()).ToArray();
Array.Copy(payloadBytes, 0, this.buffer, 0 + 2 + 2 + 4 + 2 + 4 + 1 + 1 + 1, payloadBytes.Length);
this.KeyNumber = keyNumber;
this.FrameLength = (ushort)(this.buffer.Length - 4);
this.SendCounter = sendCounter;
this.ReceiveCounter = receiveCounter;
this.InformationId = informationId;
this.ProtocolId = ProtocolId.VdS2465;
this.PayloadLength = (byte)payloadBytes.Length;
// set CRC
this.Checksum = this.CalculateCrc();
}
public ActionResult DeleteConfirmed(int id)
{
InformationId informationid = db.InformationIds.Find(id);
db.InformationIds.Remove(informationid);
db.SaveChanges();
return(RedirectToAction("Index"));
}
//
// GET: /InformationIdAdmin/Details/5
public ActionResult Details(int id = 0)
{
InformationId informationid = db.InformationIds.Find(id);
if (informationid == null)
{
return(HttpNotFound());
}
return(View(informationid));
}
public ActionResult Edit(InformationId informationid)
{
if (ModelState.IsValid)
{
db.Entry(informationid).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(informationid));
}
public static FrameVdS CreateEmpty(InformationId informationId)
{
if (informationId != InformationId.PollReqRes)
{
throw new ArgumentException("informationId");
}
var buff = new byte[0];
return(new FrameVdS(buff, 0, informationId));
}
public ActionResult Create(InformationId informationid)
{
if (ModelState.IsValid)
{
db.InformationIds.Add(informationid);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(informationid));
}
public static FrameVdS CreateSyncRequestResponse(InformationId informationId)
{
if (informationId != InformationId.SyncReq && informationId != InformationId.SyncRes)
{
throw new ArgumentException("informationId");
}
// Window size
var buff = new byte[] { 0x01 };
return(new FrameVdS(buff, 0, informationId));
}
public void SendRequest(InformationId informationId)
{
switch (informationId)
{
case InformationId.SyncReq:
var syncReq = new FrameTcp(
this.MySendCounter,
this.OtherSendCounter,
this.KeyNumber,
informationId,
FrameVdS.CreateSyncRequestResponse(InformationId.SyncReq));
Log.Info("{0} >> {1}", this.Type, syncReq);
var syncReqbuff = syncReq.Serialize();
this.stream.Write(syncReqbuff, 0, syncReqbuff.Length);
this.IncrementMySendCounter();
break;
case InformationId.SyncRes:
break;
case InformationId.PollReqRes:
var pollReq = new FrameTcp(
this.MySendCounter,
this.OtherSendCounter,
this.KeyNumber,
informationId,
FrameVdS.CreateEmpty(InformationId.PollReqRes));
Log.Info("{0} >> {1}", this.Type, pollReq);
var polReqBuff = pollReq.Serialize();
this.stream.Write(polReqBuff, 0, polReqBuff.Length);
this.IncrementMySendCounter();
break;
case InformationId.Payload:
break;
case InformationId.ErrorInformationIdUnknown:
break;
case InformationId.ErrorProtocolIdUnknown:
break;
default:
throw new ArgumentOutOfRangeException("intInformationId");
}
}
public FrameVdS(byte[] bytes, int start, InformationId informationId = InformationId.Payload)
{
this.InformationId = informationId;
if (this.InformationId == InformationId.Payload)
{
var vdsLength = bytes[start];
this.buffer = new byte[vdsLength + 1 + 1];
Array.Copy(bytes, start, this.buffer, 0, this.buffer.Length);
}
else if (informationId == InformationId.SyncReq || informationId == InformationId.SyncRes)
{
this.buffer = new byte[1];
this.buffer[0] = bytes[start];
}
else
{
this.buffer = new byte[0];
}
}
public FrameVdS_04(byte[] bytes, int start, InformationId informationId = InformationId.Payload)
: base(bytes, start, informationId)
{
}