void Test_Real2()
{
var encoded = new byte[] { 0xC0, 0x04, 0xDF };
var input = new BerMemoryInput(encoded);
var decoded = BerEncoding.DecodeReal(input, encoded.Length);
Console.WriteLine("decoded={0}", decoded);
var output = new BerMemoryOutput();
var reencoded = BerEncoding.EncodeReal(output, decoded);
var bytes = output.ToArray();
Console.WriteLine("reencoded={0}", BytesToString(bytes));
}
void Test_Real()
{
var values = new[] { 32.1, 32.125, 32.123, 100, 200, 300, -1000, 5.5005005, 777777777.123456789 };
foreach (var value in values)
{
var output = new BerMemoryOutput();
BerEncoding.EncodeReal(output, value);
var input = new BerMemoryInput(output.Memory);
var decodedValue = BerEncoding.DecodeReal(input, output.Length);
Console.WriteLine("value={0} decoded={1}", value, decodedValue);
}
}
void AssertCodecSanity(EmberNode ember)
{
var originalXml = GetXml(ember);
var output = new BerMemoryOutput();
ember.Encode(output);
var input = new BerMemoryInput(output.Memory);
var reader = new EmberReader(input);
var decoded = EmberNode.Decode(reader, new GlowApplicationInterface());
var decodedXml = GetXml(decoded);
if (originalXml != decodedXml)
{
throw new Exception("Codec error!");
}
}
private void AssertEqual <T>(
Action <EmberWriter, EmberId, T> write, Func <EmberLib.EmberReader, T> read, T value, Action <T, T> assertEqual)
{
var number = this.Random.Next();
var outer = EmberId.CreateApplication(number);
var tag = new BerTag(BerClass.Application, (uint)number);
MemoryStream output;
using (output = new MemoryStream())
using (var writer = new EmberWriter(output, 1))
{
write(writer, outer, value);
}
var input = new BerMemoryInput(output.ToArray());
var reader = new EmberLib.EmberReader(input);
Assert.IsTrue(reader.Read());
Assert.AreEqual(tag, reader.Tag);
assertEqual(value, read(reader));
}
bool ReadByte_Length(byte b)
{
if (_bytesExpected == 0)
{
if ((b & 0x80) != 0)
{
_bytesExpected = (b & 0x7F) + 1;
}
else
{
_bytesExpected = 1;
}
if (_bytesExpected > 5)
{
ThrowError(104, "Number of length octets out of bounds");
}
}
_bytesRead++;
if (_bytesRead == _bytesExpected)
{
var input = new BerMemoryInput(_buffer);
if (Type == 0)
{
OuterLength = BerEncoding.DecodeLength(input);
if (OuterLength == 0)
{
ThrowError(102, "Zero outer length encountered");
}
ResetState(DecodeState.Tag);
}
else
{
Length = BerEncoding.DecodeLength(input);
var isEofOK = Length == 0;
if (IsContainer)
{
ResetState(DecodeState.Tag);
OnNewContainer();
PushContainer();
DisposeCurrentTlv();
return(isEofOK);
}
if (Length == 0)
{
OnValueReady();
}
else
{
ResetState(DecodeState.Value);
_buffer.Capacity = (int)Length;
}
return(isEofOK);
}
}
return(false);
}
bool ReadByte_Tag(byte b)
{
if (b == 0 && _bytesRead == 0)
{
ResetState(DecodeState.Terminator);
return(false);
}
if (_bytesRead > 12)
{
ThrowError(103, "Number of tag octets out of bounds");
}
if (_bytesRead == 0 && (b & 0x1F) != 0x1F ||
_bytesRead > 0 && (b & 0x80) == 0)
{
var input = new BerMemoryInput(_buffer);
if (Tag.IsZero)
{
// no outer tag read yet -> read outer tag
var tag = BerEncoding.DecodeTag(input);
if (tag.Class == BerClass.Universal)
{
ThrowError(107, "Universal outer tag encountered");
}
if (tag.IsContainer == false)
{
ThrowError(108, "Primitive outer tag encountered");
}
Tag = tag.ToPrimitive(); // clear container flag
}
else
{
// outer tag already read -> read inner tag (type tag)
var typeTag = BerEncoding.DecodeTag(input);
var type = typeTag.NumberAsType;
if (BerType.IsApplicationDefined(type) == false)
{
if (typeTag.Class != BerClass.Universal)
{
ThrowError(110, "Non-universal inner tag encountered");
}
if (type == 0 || type >= BerType.LastUniversal)
{
ThrowError(109, "Invalid BER type encountered");
}
}
IsContainer = typeTag.IsContainer;
Type = type;
}
ResetState(DecodeState.Length);
return(false);
}
_bytesRead++;
return(false);
}
void Test_DOM()
{
Console.WriteLine("\r\n------------------------ DOM");
EmberContainer container1;
EmberContainer frame = new EmberFrame();
container1 = new EmberSet(new BerTag(DefaultClass, 0));
container1.Insert(new BerTag(DefaultClass, 0), -1);
container1.Insert(new BerTag(DefaultClass, 1), 128);
container1.Insert(new BerTag(DefaultClass, 2), -128);
container1.Insert(new BerTag(DefaultClass, 3), 255);
container1.Insert(new BerTag(DefaultClass, 4), -255);
container1.Insert(new BerTag(DefaultClass, 5), 12345);
container1.Insert(new BerTag(DefaultClass, 6), -12345);
container1.Insert(new BerTag(DefaultClass, 7), 16384);
container1.Insert(new BerTag(DefaultClass, 8), -16384);
container1.Insert(new BerTag(DefaultClass, 9), 65535);
container1.Insert(new BerTag(DefaultClass, 10), -65535);
container1.Insert(new BerTag(DefaultClass, 11), 0);
container1.Insert(new BerTag(DefaultClass, 12), 127);
container1.Insert(new BerTag(DefaultClass, 13), -127);
container1.Insert(new BerTag(DefaultClass, 1111222), 0xFFFFFFFF);
container1.InsertOid(new BerTag(DefaultClass, 14), new int[] { 1, 3, 6, 0 });
container1.InsertOid(new BerTag(DefaultClass, 15), new int[] { 1 });
container1.InsertRelativeOid(new BerTag(DefaultClass, 16), new int[] { 1, 2, 3, 4, 5, 6 });
frame.Insert(container1);
container1 = new EmberSequence(new BerTag(DefaultClass, 1));
container1.Insert(new BerTag(DefaultClass, 3), -0.54321);
container1.Insert(new BerTag(DefaultClass, 5), "Wuppdich");
var appDefined = EmberApplicationInterface.CreateApplicationDefinedSequence(new BerTag(BerClass.Application, 889), 2, container1);
appDefined.Insert(new BerTag(DefaultClass, 100), true);
frame.Insert(container1);
var xml1 = GetXml(frame);
var output = new BerMemoryOutput();
frame.Encode(output);
var memory = output.ToArray();
using (var stream = new FileStream(@"N:\Temp\test.ber", FileMode.Create, FileAccess.Write))
stream.Write(memory, 0, memory.Length);
var input = new BerMemoryInput(memory);
var stopwatch = new Stopwatch();
stopwatch.Start();
var asyncReader = new AsyncFrameReader(this);
asyncReader.ReadBytes(output.Memory);
var loadedFrame = asyncReader.DetachRoot();
stopwatch.Stop();
Console.WriteLine("load tree: {0}ms", stopwatch.ElapsedMilliseconds);
var xml2 = GetXml(loadedFrame);
Console.WriteLine(xml1);
Console.WriteLine(xml2);
Debug.Assert(xml1 == xml2);
}