/// <nodoc />
public static QueryJournalRequest Read(ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
var response = new QueryJournalRequest(reader.ReadVolumeGuidPath());
return(response);
}
/// <nodoc />
public static ReadJournalResponse Read(ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
var response = new ReadJournalResponse(
status: reader.ReadUsnJournalReadStatus(),
nextUsn: new Usn(reader.ReadUInt64()),
timeout: reader.ReadBoolean());
return(response);
}
/// <nodoc />
public static ReadJournalRequest Read(ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
return(new ReadJournalRequest(
reader.ReadVolumeGuidPath(),
journalId: reader.ReadUInt64(),
startUsn: new Usn(reader.ReadUInt64()),
endUsn: reader.ReadBoolean() ? new Usn(reader.ReadUInt64()) : (Usn?)null,
extraReadCount: reader.ReadBoolean() ? reader.ReadInt32() : (int?)null,
timeLimit: reader.ReadBoolean() ? TimeSpan.FromTicks(reader.ReadInt64()) : (TimeSpan?)null));
}
public static VolumeGuidPath ReadVolumeGuidPath(this ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
string maybePath = reader.ReadString();
VolumeGuidPath path;
if (!VolumeGuidPath.TryCreate(maybePath, out path))
{
throw new BuildXLException("Expected a volume GUID path");
}
return(path);
}
public static ReadUsnJournalStatus ReadUsnJournalReadStatus(this ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
var readStatusValue = reader.ReadByte();
ReadUsnJournalStatus readStatus;
if (!EnumTraits <ReadUsnJournalStatus> .TryConvert(readStatusValue, out readStatus))
{
throw new BuildXLException("Invalid ReadUsnJournalStatus");
}
return(readStatus);
}
public static QueryUsnJournalData ReadUsnJournalData(this ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
var data = new QueryUsnJournalData
{
UsnJournalId = reader.ReadUInt64(),
FirstUsn = new Usn(reader.ReadUInt64()),
NextUsn = new Usn(reader.ReadUInt64()),
LowestValidUsn = new Usn(reader.ReadUInt64()),
MaxUsn = new Usn(reader.ReadUInt64()),
MaximumSize = reader.ReadUInt64(),
AllocationDelta = reader.ReadUInt64()
};
return(data);
}
public static QueryUsnJournalResult ReadQueryUsnJournalResult(this ChangeJournalServiceProtocolReader reader)
{
Contract.Requires(reader != null);
var queryStatusValue = reader.ReadInt32();
QueryUsnJournalStatus queryStatus;
if (!EnumTraits <QueryUsnJournalStatus> .TryConvert(queryStatusValue, out queryStatus))
{
throw new BuildXLException("Invalid QueryUsnJournalStatus");
}
if (queryStatus == QueryUsnJournalStatus.Success)
{
QueryUsnJournalData data = reader.ReadUsnJournalData();
return(new QueryUsnJournalResult(queryStatus, data));
}
return(new QueryUsnJournalResult(queryStatus, data: null));
}
