/// <summary>
/// 元数据转换成第三方数据
/// </summary>
/// <param name="metadataObject">元数据集合</param>
/// <param name="id">属性对应key</param>
/// <param name="data">属性对应byte数组</param>
/// <param name="offsetStart">属性在数组中的偏移值</param>
/// <param name="length">属性在byte数组中的长度</param>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
public void DataProcessor(MetadataContainer metadataObject, byte id, byte[] data, int offsetStart, uint length)
{
if (metadataObject == null)
{
throw new ArgumentNullException("metadataObject");
}
uint arrayLength = BitConverter.ToUInt32(data, offsetStart);
ResourceBlock[] resourceBlocks = new ResourceBlock[arrayLength];
offsetStart += 4;
for (int j = 0; j < arrayLength; j++)
{
uint resouceBlockLength = BitConverter.ToUInt32(data, offsetStart);
if (resouceBlockLength == 0)
{
resourceBlocks[j] = null;
offsetStart += 4;
}
else
{
resourceBlocks[j] = MetadataObjectEngine.GetObject(data, (uint)offsetStart, resouceBlockLength);
offsetStart += (int)resouceBlockLength;
}
}
metadataObject.SetAttribute(id, new ResourceBlockArrayStored(resourceBlocks));
}
/// <summary>
/// 解析元数据
/// </summary>
/// <param name="data">总BUFF长度</param>
/// <param name="offset">可用偏移量</param>
/// <param name="count">可用长度</param>
/// <returns>
/// 返回能否解析的一个标示
/// </returns>
public override List <T> Parse <T>(byte[] data, int offset, int count)
{
int totalLength;
List <T> messages = new List <T>();
try
{
while (count > 0)
{
totalLength = BitConverter.ToInt32(data, offset);
if (totalLength > data.Length)
{
_tracing.Error("#Parse message failed, illegal total length. #length: " + totalLength);
return(messages);
}
int markRangeCount = BitConverter.ToUInt16(data, offset + 4);
int markRangeLength = markRangeCount * 5 + offset;
int protocolId = data[markRangeLength + 6];
int serviceId = data[markRangeLength + 7];
int detailsId = data[markRangeLength + 8];
MetadataContainer message;
try
{
message = MetadataObjectEngine.GetObject(data, (uint)offset, (uint)totalLength);
if (message == null)
{
_tracing.Error(
"#Parse message failed, parse result = null. #protocol id={0}, service id={1}, detalis id={2}: ",
protocolId, serviceId, detailsId);
return(messages);
}
}
catch (System.Exception ex)
{
_tracing.Error(ex, "#Parse message failed.");
continue;
}
finally
{
offset += totalLength;
count -= totalLength;
}
messages.Add((T)(object)message);
if (data.Length - offset < 4)
{
break;
}
}
return(messages);
}
catch (System.Exception ex)
{
_tracing.Error(ex, "#Parse message failed.");
return(messages);
}
}
/// <summary>
/// 初始化普通类型元数据转第三方数据的处理器
/// </summary>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
private static unsafe void InitializeDataProcessorDictionary()
{
DataActions.Add((byte)PropertyTypes.Boolean,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new BooleanValueStored(DefaultValue.Boolean));
}
else
{
metadataObject.SetAttribute(id, new BooleanValueStored(BitConverter.ToBoolean(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Byte,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new ByteValueStored(DefaultValue.Byte));
}
else
{
metadataObject.SetAttribute(id, new ByteValueStored(byteData[offsetStart]));
}
});
DataActions.Add((byte)PropertyTypes.SByte,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new SByteValueStored(DefaultValue.SByte));
}
else
{
fixed(byte *pByte = (&byteData[offsetStart]))
metadataObject.SetAttribute(id, new SByteValueStored(*(sbyte *)pByte));
}
});
DataActions.Add((byte)PropertyTypes.Char,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new CharValueStored(DefaultValue.Char));
}
else
{
metadataObject.SetAttribute(id, new CharValueStored(BitConverter.ToChar(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Int16,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new Int16ValueStored(DefaultValue.Int16));
}
else
{
metadataObject.SetAttribute(id, new Int16ValueStored(BitConverter.ToInt16(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.UInt16,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new UInt16ValueStored(DefaultValue.UInt16));
}
else
{
metadataObject.SetAttribute(id, new UInt16ValueStored(BitConverter.ToUInt16(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Int32,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new Int32ValueStored(DefaultValue.Int32));
}
else
{
metadataObject.SetAttribute(id, new Int32ValueStored(BitConverter.ToInt32(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.UInt32,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new UInt32ValueStored(DefaultValue.UInt32));
}
else
{
metadataObject.SetAttribute(id, new UInt32ValueStored(BitConverter.ToUInt32(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Int64,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new Int64ValueStored(DefaultValue.Int64));
}
else
{
metadataObject.SetAttribute(id, new Int64ValueStored(BitConverter.ToInt64(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.UInt64,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new UInt64ValueStored(DefaultValue.UInt64));
}
else
{
metadataObject.SetAttribute(id, new UInt64ValueStored(BitConverter.ToUInt64(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Float,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new FloatValueStored(DefaultValue.Float));
}
else
{
metadataObject.SetAttribute(id, new FloatValueStored(BitConverter.ToSingle(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Double,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new DoubleValueStored(DefaultValue.Double));
}
else
{
metadataObject.SetAttribute(id, new DoubleValueStored(BitConverter.ToDouble(byteData, offsetStart)));
}
});
DataActions.Add((byte)PropertyTypes.Decimal,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new DecimalValueStored(DefaultValue.Decimal));
}
else
{
fixed(byte *pByte = (&byteData[offsetStart]))
metadataObject.SetAttribute(id, new DecimalValueStored(*(decimal *)pByte));
}
});
DataActions.Add((byte)PropertyTypes.String,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new StringValueStored(null));
}
else
{
metadataObject.SetAttribute(id, new StringValueStored(Encoding.UTF8.GetString(byteData, offsetStart, (int)offsetLength)));
}
});
DataActions.Add((byte)PropertyTypes.DateTime,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new DateTimeValueStored(DefaultValue.DateTime));
}
else
{
metadataObject.SetAttribute(id, new DateTimeValueStored(new DateTime(BitConverter.ToInt64(byteData, offsetStart))));
}
});
DataActions.Add((byte)PropertyTypes.Guid,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new GuidValueStored(DefaultValue.Guid));
}
else
{
fixed(byte *pByte = (&byteData[offsetStart]))
metadataObject.SetAttribute(id, new GuidValueStored(*(Guid *)pByte));
}
});
DataActions.Add((byte)PropertyTypes.IPEndPoint,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
fixed(byte *pData = (&byteData[offsetStart]))
{
IPEndPoint iep = new IPEndPoint(new IPAddress(BitConverter.GetBytes(*(int *)pData)), *(int *)(pData + 4));
metadataObject.SetAttribute(id, new IPEndPointValueStored(iep));
}
});
DataActions.Add((byte)PropertyTypes.IntPtr,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new IntPtrValueStored(DefaultValue.IntPtr));
}
else
{
metadataObject.SetAttribute(id, new IntPtrValueStored(new IntPtr(BitConverter.ToInt32(byteData, offsetStart))));
}
});
DataActions.Add((byte)PropertyTypes.ResourceBlock,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
metadataObject.SetAttribute(id, new ResourceBlockStored(MetadataObjectEngine.GetObject(byteData, (uint)offsetStart, offsetLength)));
});
DataActions.Add((byte)PropertyTypes.TimeSpan,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
if (offsetLength == 0)
{
metadataObject.SetAttribute(id, new TimeSpanValueStored(DefaultValue.TimeSpan));
}
else
{
fixed(byte *pData = (&byteData[offsetStart]))
metadataObject.SetAttribute(id, new TimeSpanValueStored(new TimeSpan(*(long *)pData)));
}
});
DataActions.Add((byte)PropertyTypes.BitFlag,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
metadataObject.SetAttribute(id, new BitFlagValueStored(new BitFlag(byteData[offsetStart])));
});
DataActions.Add((byte)PropertyTypes.Blob,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
metadataObject.SetAttribute(id, new BlobValueStored(new Blob(byteData, offsetStart, (int)offsetLength)));
});
DataActions.Add((byte)PropertyTypes.Null,
delegate(ResourceBlock metadataObject, byte id, byte[] byteData, int offsetStart, uint offsetLength)
{
metadataObject.SetAttribute(id, new NullValueStored());
});
}
