public void ByteStringToValueType ()
{
// From Google's protobuf documentation, varint encoding example:
// 300 = 1010 1100 0000 0010 = 0xAC 0x02
byte[] bytes = { 0xAC, 0x02 };
var codedStream = new CodedInputStream (bytes);
uint value = codedStream.ReadUInt32 ();
Assert.AreEqual (300, value);
}
/// <summary>
/// Decode a value of the given type.
/// Should not be called directly. This interface is used by service client stubs.
/// </summary>
public static object Decode(ByteString value, Type type, Connection client)
{
var stream = new CodedInputStream (value.ToByteArray ());
if (type == typeof(double))
return stream.ReadDouble ();
else if (type == typeof(float))
return stream.ReadFloat ();
else if (type == typeof(int))
return stream.ReadInt32 ();
else if (type == typeof(long))
return stream.ReadInt64 ();
else if (type == typeof(uint))
return stream.ReadUInt32 ();
else if (type == typeof(ulong))
return stream.ReadUInt64 ();
else if (type == typeof(bool))
return stream.ReadBool ();
else if (type == typeof(string))
return stream.ReadString ();
else if (type == typeof(byte[]))
return stream.ReadBytes ().ToByteArray ();
else if (type.IsEnum)
return stream.ReadInt32 ();
else if (typeof(RemoteObject).IsAssignableFrom (type)) {
if (client == null)
throw new ArgumentException ("Client not passed when decoding remote object");
var id = stream.ReadUInt64 ();
if (id == 0)
return null;
return (RemoteObject)Activator.CreateInstance (type, client, id);
} else if (typeof(IMessage).IsAssignableFrom (type)) {
IMessage message = (IMessage)Activator.CreateInstance (type);
message.MergeFrom (stream);
return message;
} else if (type.IsGenericType && type.GetGenericTypeDefinition () == typeof(IList<>))
return DecodeList (value, type, client);
else if (type.IsGenericType && type.GetGenericTypeDefinition () == typeof(IDictionary<,>))
return DecodeDictionary (value, type, client);
else if (type.IsGenericType && type.GetGenericTypeDefinition () == typeof(ISet<>))
return DecodeSet (value, type, client);
else if (type.IsGenericType &&
(type.GetGenericTypeDefinition () == typeof(Tuple<>) ||
type.GetGenericTypeDefinition () == typeof(Tuple<,>) ||
type.GetGenericTypeDefinition () == typeof(Tuple<,,>) ||
type.GetGenericTypeDefinition () == typeof(Tuple<,,,>) ||
type.GetGenericTypeDefinition () == typeof(Tuple<,,,,>) ||
type.GetGenericTypeDefinition () == typeof(Tuple<,,,,,>)))
return DecodeTuple (value, type, client); // TODO: ugly handing of tuple types
throw new ArgumentException (type + " is not a serializable type");
}
protected override int Read (ref Request request, byte[] data, int offset, int length)
{
try {
var codedStream = new CodedInputStream (data, offset, length);
// Get the protobuf message size
int size = (int)codedStream.ReadUInt32 ();
int totalSize = (int)codedStream.Position + size;
// Check if enough data is available, if not then delay the decoding
if (length < totalSize)
return 0;
// Decode the request
request = Schema.KRPC.Request.Parser.ParseFrom (codedStream).ToMessage ();
return totalSize;
} catch (InvalidProtocolBufferException e) {
throw new MalformedRequestException (e.Message);
}
}
internal uint <ForUInt32> b__7_0(CodedInputStream input)
{
return(input.ReadUInt32());
}
/// <summary>
/// Convert a Protocol Buffer value type, encoded as a byte string, to a C# value.
/// </summary>
public static object ReadValue(ByteString value, Type type)
{
if (value.Length == 0)
throw new ArgumentException ("Value is empty");
var stream = new CodedInputStream (value.ToByteArray ());
if (type == typeof(double)) {
return stream.ReadDouble ();
} else if (type == typeof(float)) {
return stream.ReadFloat ();
} else if (type == typeof(int)) {
return stream.ReadInt32 ();
} else if (type == typeof(long)) {
return stream.ReadInt64 ();
} else if (type == typeof(uint)) {
return stream.ReadUInt32 ();
} else if (type == typeof(ulong)) {
return stream.ReadUInt64 ();
} else if (type == typeof(bool)) {
return stream.ReadBool ();
} else if (type == typeof(string)) {
return stream.ReadString ();
} else if (type == typeof(byte[])) {
return stream.ReadBytes ().ToByteArray();
}
throw new ArgumentException (type + " is not a Protocol Buffer value type");
}
