private void WriteMetricMetadataIndex(BinaryWriter writer, IMetricMetadata value)
{
uint index;
if (!this.metadataIndexes.TryGetValue(value, out index))
{
index = this.nextMetadataIndex++;
this.metadataIndexes.Add(value, index);
this.metadatas.Add(value);
if (this.estimatePacketSize)
{
// In versions 0-2 Metric Namespace was part of the Metric data, from version 3 it became a part of Metric Metadata
if (this.version >= 3)
{
this.currentMetadataDictionaryBlockSize += SerializationUtils.EstimateUInt32InBase128Size(this.RegisterString(value.MetricNamespace));
}
this.currentMetadataDictionaryBlockSize += SerializationUtils.EstimateUInt32InBase128Size(this.RegisterString(value.MetricName));
this.currentMetadataDictionaryBlockSize += SerializationUtils.EstimateUInt32InBase128Size((uint)value.DimensionsCount);
for (int i = 0; i < value.DimensionsCount; ++i)
{
this.currentMetadataDictionaryBlockSize += SerializationUtils.EstimateUInt32InBase128Size(this.RegisterString(value.GetDimensionName(i)));
}
}
}
SerializationUtils.WriteUInt32AsBase128(writer, index);
}
private long EstimateStringSize(string value)
{
// Assuming 50 % characters are non-ascii
return((int)(value.Length * this.stringCharEstimatedSizeInBytes) + SerializationUtils.EstimateUInt32InBase128Size((uint)value.Length));
}