public void CreateByConstructor()
{
// Only 2 standard properties/arguments to specify for this type of packet.
Ssm2InitRequest p = new Ssm2InitRequest(Ssm2Device.Engine10, Ssm2Device.DiagnosticToolF0);
AssertProperties1(p);
}
public void CreateByProperties()
{
// Ssm2InitRequest p = new Ssm2InitRequest ();
// p.Destination = Ssm2Device.Engine10;
// p.Source = Ssm2Device.DiagnosticToolF0;
// same effect, using object initializer syntax:
Ssm2InitRequest p = new Ssm2InitRequest {
Destination = Ssm2Device.Engine10, Source = Ssm2Device.DiagnosticToolF0
};
// Important: packet is still invalid at this point!
// don't depend on Size yet even though it is correct for this type
// Assert.AreEqual (packetData.Length, p.Size, "Size");
// No checksum yet so check will fail.
Assert.AreEqual(false, p.Check(), "Check()");
// Important: as with default constructor
// the object does not know when all properties have been set.
// This call will calculate the checksum, making packet complete.
p.Finish();
// packet is now complete
AssertProperties1(p);
}
public void CreateByConstructor()
{
// Only 2 standard properties/arguments to specify for this type of packet.
Ssm2InitRequest p = new Ssm2InitRequest (Ssm2Device.Engine10, Ssm2Device.DiagnosticToolF0);
AssertProperties1 (p);
}
/// <summary>
/// Returns a specific Ssm2Packet type based on given content.
/// Does not validate the packet, so manually call the Check method afterwards!
/// </summary>
/// <param name="bytes">
/// A <see cref="System.Byte[]"/> containing the packet.
/// The packet must start at index 0 though the array may be larger than needed.
/// </param>
/// <returns>
/// A <see cref="Ssm2Packet"/> subclass or null if the packet type could not be recognized.
/// </returns>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public static Ssm2Packet NewFromBytes(byte[] bytes)
{
if (bytes == null)
{
throw new ArgumentNullException();
}
// check generic minimum size in order to get command byte
if (bytes.Length < PacketSizeMin)
{
throw new ArgumentOutOfRangeException("bytes.Length < Minimum (6)");
}
Ssm2Packet p;
// Read type directly from command byte (5th byte).
// Each derived class constructor checks its requirements.
switch ((Ssm2Command)bytes[(int)Ssm2PacketIndex.Command])
{
case Ssm2Command.ReadAddressesRequestA8:
p = new Ssm2ReadAddressesRequest(bytes);
break;
case Ssm2Command.ReadAddressesResponseE8:
p = new Ssm2ReadAddressesResponse(bytes);
break;
case Ssm2Command.WriteAddressRequestB8:
p = new Ssm2WriteAddressRequest(bytes);
break;
case Ssm2Command.WriteAddressResponseF8:
p = new Ssm2WriteAddressResponse(bytes);
break;
case Ssm2Command.InitRequestBF:
p = new Ssm2InitRequest(bytes);
break;
case Ssm2Command.InitResponseFF:
p = new Ssm2InitResponse(bytes);
break;
case Ssm2Command.ReadBlockRequestA0:
p = new Ssm2ReadBlockRequest(bytes);
break;
case Ssm2Command.ReadBlockResponseE0:
p = new Ssm2ReadBlockResponse(bytes);
break;
default:
return(null);
}
p.FromBytes(bytes);
return(p);
}
public void NewFromBytesBase()
{
// same results as casting to specific type (Ssm2InitRequest)
// sufficient to use base type here since this packet type has no specific data
var p = Ssm2InitRequest.NewFromBytes(EcuInit1);
// object reference gets type Ssm2Packet
AssertProperties1(p);
}
public void FromBytes()
{
byte[] packetData = EcuInit1;
// inefficient for parsing, since constructor allocates a buffer
Ssm2InitRequest p = new Ssm2InitRequest ();
// take given buffer, discarding previous implicit buffer
p.FromBytes (packetData);
AssertProperties1 (p);
}
public void FromBytes()
{
byte[] packetData = EcuInit1;
// inefficient for parsing, since constructor allocates a buffer
Ssm2InitRequest p = new Ssm2InitRequest();
// take given buffer, discarding previous implicit buffer
p.FromBytes(packetData);
AssertProperties1(p);
}
public void NewFromBytes()
{
byte[] packetData = EcuInit1;
// best for parsing as it does not allocate anything
Ssm2InitRequest p = (Ssm2InitRequest)Ssm2Packet.NewFromBytes(packetData);
// Same static method can also be accessed like this:
// Ssm2InitRequest.NewFromBytes (...)
AssertProperties1(p);
}
public void CreateByProperties()
{
// Ssm2InitRequest p = new Ssm2InitRequest ();
// p.Destination = Ssm2Device.Engine10;
// p.Source = Ssm2Device.DiagnosticToolF0;
// same effect, using object initializer syntax:
Ssm2InitRequest p = new Ssm2InitRequest { Destination = Ssm2Device.Engine10, Source = Ssm2Device.DiagnosticToolF0 };
// Important: packet is still invalid at this point!
// don't depend on Size yet even though it is correct for this type
// Assert.AreEqual (packetData.Length, p.Size, "Size");
// No checksum yet so check will fail.
Assert.AreEqual (false, p.Check (), "Check()");
// Important: as with default constructor
// the object does not know when all properties have been set.
// This call will calculate the checksum, making packet complete.
p.Finish ();
// packet is now complete
AssertProperties1 (p);
}
/// <summary>
/// Returns a specific Ssm2Packet type based on given content.
/// Does not validate the packet, so manually call the Check method afterwards!
/// </summary>
/// <param name="bytes">
/// A <see cref="System.Byte[]"/> containing the packet.
/// The packet must start at index 0 though the array may be larger than needed.
/// </param>
/// <returns>
/// A <see cref="Ssm2Packet"/> subclass or null if the packet type could not be recognized.
/// </returns>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public static Ssm2Packet NewFromBytes(byte[] bytes)
{
if (bytes == null)
throw new ArgumentNullException ();
// check generic minimum size in order to get command byte
if (bytes.Length < PacketSizeMin)
throw new ArgumentOutOfRangeException ("bytes.Length < Minimum (6)");
Ssm2Packet p;
// Read type directly from command byte (5th byte).
// Each derived class constructor checks its requirements.
switch ((Ssm2Command)bytes[(int)Ssm2PacketIndex.Command]) {
case Ssm2Command.ReadAddressesRequestA8:
p = new Ssm2ReadAddressesRequest (bytes);
break;
case Ssm2Command.ReadAddressesResponseE8:
p = new Ssm2ReadAddressesResponse (bytes);
break;
case Ssm2Command.WriteAddressRequestB8:
p = new Ssm2WriteAddressRequest (bytes);
break;
case Ssm2Command.WriteAddressResponseF8:
p = new Ssm2WriteAddressResponse (bytes);
break;
case Ssm2Command.InitRequestBF:
p = new Ssm2InitRequest (bytes);
break;
case Ssm2Command.InitResponseFF:
p = new Ssm2InitResponse (bytes);
break;
case Ssm2Command.ReadBlockRequestA0:
p = new Ssm2ReadBlockRequest (bytes);
break;
case Ssm2Command.ReadBlockResponseE0:
p = new Ssm2ReadBlockResponse (bytes);
break;
default:
return null;
}
p.FromBytes (bytes);
return p;
}
