protected override async Task InitializeAsync()
{
FrameReader reader = Reader;
ResultOpcode = (ResultOpcode)await reader.ReadIntAsync().ConfigureAwait(false);
switch (ResultOpcode)
{
case ResultOpcode.Void:
break;
case ResultOpcode.Rows:
Schema = await ReadCqlSchemaAsync().ConfigureAwait(false);
_count = await reader.ReadIntAsync().ConfigureAwait(false);
break;
case ResultOpcode.SetKeyspace:
Keyspace = await reader.ReadStringAsync().ConfigureAwait(false);
break;
case ResultOpcode.SchemaChange:
Change = await reader.ReadStringAsync().ConfigureAwait(false);
Keyspace = await reader.ReadStringAsync().ConfigureAwait(false);
Table = await reader.ReadStringAsync().ConfigureAwait(false);
break;
case ResultOpcode.Prepared:
PreparedQueryId = await reader.ReadShortBytesAsync().ConfigureAwait(false);
Schema = await ReadCqlSchemaAsync().ConfigureAwait(false);
break;
default:
throw new ArgumentException("Unexpected ResultOpcode");
}
//_readLock = new SemaphoreSlim(1);
}
protected override async Task InitializeAsync()
{
FrameReader stream = Reader;
var code = (ErrorCode)await stream.ReadIntAsync().ConfigureAwait(false);
string msg = await stream.ReadStringAsync().ConfigureAwait(false);
switch (code)
{
case ErrorCode.Unavailable:
{
var cl = (CqlConsistency)await stream.ReadShortAsync().ConfigureAwait(false);
int required = await stream.ReadIntAsync().ConfigureAwait(false);
int alive = await stream.ReadIntAsync().ConfigureAwait(false);
Exception = new UnavailableException(msg, cl, required, alive);
break;
}
case ErrorCode.WriteTimeout:
{
var cl = (CqlConsistency)await stream.ReadShortAsync().ConfigureAwait(false);
int received = await stream.ReadIntAsync().ConfigureAwait(false);
int blockFor = await stream.ReadIntAsync().ConfigureAwait(false);
string writeType = await stream.ReadStringAsync().ConfigureAwait(false);
Exception = new WriteTimeOutException(msg, cl, received, blockFor, writeType);
break;
}
case ErrorCode.ReadTimeout:
{
var cl = (CqlConsistency)await stream.ReadShortAsync().ConfigureAwait(false);
int received = await stream.ReadIntAsync().ConfigureAwait(false);
int blockFor = await stream.ReadIntAsync().ConfigureAwait(false);
bool dataPresent = 0 != await stream.ReadByteAsync().ConfigureAwait(false);
Exception = new ReadTimeOutException(msg, cl, received, blockFor, dataPresent);
break;
}
case ErrorCode.Syntax:
Exception = new SyntaxException(msg);
break;
case ErrorCode.Unauthorized:
Exception = new UnauthorizedException(msg);
break;
case ErrorCode.Invalid:
Exception = new InvalidException(msg);
break;
case ErrorCode.AlreadyExists:
string keyspace = await stream.ReadStringAsync().ConfigureAwait(false);
string table = await stream.ReadStringAsync().ConfigureAwait(false);
Exception = new AlreadyExistsException(msg, keyspace, table);
break;
case ErrorCode.Unprepared:
byte[] unknownId = await stream.ReadShortBytesAsync().ConfigureAwait(false);
Exception = new UnpreparedException(msg, unknownId);
break;
default:
Exception = new ProtocolException(code, msg);
break;
}
}
