public VanillaDataStorageReceiver(VanillaDataStorage dataStorage,
string name, IEndianAwareReader reader,
ISerializer serializer, RequestResponseMapper mapper)
{
Validate.Require(dataStorage != null, "You must supply a valid dataStorage");
Validate.Require(name.Length > 0, "You must supply a valid name");
Validate.Require(reader != null, "A reader object is required");
Validate.Require(serializer != null, "A serializer object is required");
Validate.Require(mapper != null, "A mapper object is required");
this.dataStorage = dataStorage;
this.Name = name;
this.reader = reader;
this.serializer = serializer;
this.mapper = mapper;
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
var success = reader.ReadIntAsBool();
var journalSize = new Offset(reader.ReadInt32());
return new CommitResponseState(success, journalSize);
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
throw new InvalidOperationException("Header " + header.ToString()
+ " is not mapped to a valid response parser.");
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
var success = reader.ReadBool();
return new RollbackResponseState(success);
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
// How many bytes will we read from the stream?
var numBytes = reader.ReadInt32();
// Fill the byte array with bytes left from the previous read.
// This is neccessary when reading chunks of data
var writer = new IntrusiveByteArrayWriter();
writer.Insert(previousState.BytesLeft);
// Read the bytes into the intrusive byte array
reader.ReadBytes(numBytes, writer);
if (writer.Length > 0)
{
if (header.IsMultipart)
return ReadJournal(new InputStreamBytes(writer), false);
else
return ReadJournal(new InputStreamBytes(writer), true);
}
else
return new ReadJournalResponseState(0, new List<Event>(), true, new byte[0]);
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
var journalSize = new Offset(reader.ReadInt32());
var transactionUID = new TransactionUID(reader.ReadInt32());
return new NewTransactionResponseState(journalSize, transactionUID);
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
var exists = reader.ReadBool();
return new JournalExistsResponseState(exists);
}
public IResponseState Parse(Header header, IEndianAwareReader reader)
{
var errorId = reader.ReadInt32();
throw new EverstoreException(ErrorToString(errorId));
}