/// <summary>
/// Serialize the <see cref="StateManagerFileProperties"/> into the given stream.
/// </summary>
/// <param name="writer">Stream to write to.</param>
public override void Write(BinaryWriter writer)
{
// Allow the base class to write first.
base.Write(writer);
// 'metadata' - BlockHandle
writer.Write(MetadataHandlePropertyName);
VarInt.Write(writer, (int)BlockHandle.SerializedSize);
this.MetadataHandle.Write(writer);
// 'blocks' - BlockHandle
writer.Write(BlocksHandlePropertyName);
VarInt.Write(writer, (int)BlockHandle.SerializedSize);
this.BlocksHandle.Write(writer);
// 'count' - uint
writer.Write(StateProviderCountPropertyName);
VarInt.Write(writer, (int)sizeof(uint));
writer.Write(this.StateProviderCount);
// 'roots' - uint
writer.Write(RootStateProviderCountPropertyName);
VarInt.Write(writer, (int)sizeof(uint));
writer.Write(this.RootStateProviderCount);
// 'partitionid' - Guid
writer.Write(PartitionIdPropertyName);
var partitionIdBytes = this.PartitionId.ToByteArray();
VarInt.Write(writer, (int)partitionIdBytes.Length);
writer.Write(partitionIdBytes);
// 'replicaid' - long
writer.Write(ReplicaIdPropertyName);
VarInt.Write(writer, (int)sizeof(long));
writer.Write(this.ReplicaId);
// #12249219: Without the "allowPrepareCheckpointLSNToBeInvalid" being set to true in the backup code path,
// It is possible for all backups before the first checkpoint after the upgrade to fail.
if (this.doNotWritePrepareCheckpointLSN == false && this.test_Ignore == false)
{
// 'checkpointlsn' - long
writer.Write(PrepareCheckpointLSNPropertyName);
VarInt.Write(writer, (int)sizeof(long));
writer.Write(this.PrepareCheckpointLSN);
}
}
/// <summary>
/// Deserialize the <see cref="FileProperties"/> from the given stream.
/// </summary>
/// <param name="reader">The stream to read from.</param>
/// <param name="handle">Starting offset and size within the stream for the file properties.</param>
/// <returns>The deserialized <see cref="FileProperties"/> section.</returns>
public static TProperties Read <TProperties>(BinaryReader reader, BlockHandle handle)
where TProperties : FileProperties, new()
{
var properties = new TProperties();
if (handle.Size == 0)
{
return(properties);
}
// The FileProperties start at the given 'offset' within the stream, and contains properties up to 'offset' + 'size'.
reader.BaseStream.Position = handle.Offset;
while (reader.BaseStream.Position < handle.EndOffset)
{
// Read the property name.
var property = reader.ReadString();
// Read the size in bytes of the property's value.
var valueSize = VarInt.ReadInt32(reader);
if (valueSize < 0)
{
throw new InvalidDataException(string.Format(SR.Error_FileProperties_Corrupt, SR.Error_FileProperties_NegativeSize));
}
if (reader.BaseStream.Position + valueSize > handle.EndOffset)
{
throw new InvalidDataException(
string.Format(SR.Error_FileProperties_Corrupt, SR.Error_FileProperties_LargeSize));
}
// Read the property's value.
properties.ReadProperty(reader, property, valueSize);
}
// Validate the properties section ended exactly where expected.
if (reader.BaseStream.Position != handle.EndOffset)
{
throw new InvalidDataException(string.Format(SR.Error_FileProperties_Corrupt, SR.Error_FileProperties_SectionSize));
}
return(properties);
}
/// <summary>
/// Serialize the <see cref="BackupLogFileProperties"/> into the given stream.
/// </summary>
/// <param name="writer">Stream to write to.</param>
public override void Write(BinaryWriter writer)
{
// Allow the base class to write first.
base.Write(writer);
// 'records' - BlockHandle
writer.Write(RecordsHandlePropertyName);
VarInt.Write(writer, (int)BlockHandle.SerializedSize);
this.RecordsHandle.Write(writer);
// 'count' - uint
writer.Write(CountPropertyName);
VarInt.Write(writer, (int)sizeof(uint));
writer.Write(this.Count);
// 'indexepoch' - Epoch
writer.Write(IndexingRecordEpochPropertyName);
VarInt.Write(writer, (int)(sizeof(long) * 2));
writer.Write(this.IndexingRecordEpoch.DataLossNumber);
writer.Write(this.IndexingRecordEpoch.ConfigurationNumber);
// 'indexlsn' - long
writer.Write(IndexingRecordLsnPropertyName);
VarInt.Write(writer, (int)sizeof(long));
writer.Write(this.IndexingRecordLsn.LSN);
// 'backupepoch' - Epoch
writer.Write(LastBackedUpEpochPropertyName);
VarInt.Write(writer, (int)(sizeof(long) * 2));
writer.Write(this.LastBackedUpEpoch.DataLossNumber);
writer.Write(this.LastBackedUpEpoch.ConfigurationNumber);
// 'backuplsn' - long
writer.Write(LastBackedUpLsnPropertyName);
VarInt.Write(writer, (int)sizeof(long));
writer.Write(this.LastBackedUpLsn.LSN);
}