private RawResult ReadBulkString(byte[] buffer, ref int offset, ref int count)
{
var prefix = ReadLineTerminatedString(ResultType.Integer, buffer, ref offset, ref count);
if (prefix.HasValue)
{
long i64;
if (!prefix.TryGetInt64(out i64))
{
throw ExceptionFactory.ConnectionFailure(Multiplexer.IncludeDetailInExceptions, ConnectionFailureType.ProtocolFailure, "Invalid bulk string length", Bridge.ServerEndPoint);
}
int bodySize = checked ((int)i64);
if (bodySize < 0)
{
return(new RawResult(ResultType.BulkString, null, 0, 0));
}
else if (count >= bodySize + 2)
{
if (buffer[offset + bodySize] != '\r' || buffer[offset + bodySize + 1] != '\n')
{
throw ExceptionFactory.ConnectionFailure(Multiplexer.IncludeDetailInExceptions, ConnectionFailureType.ProtocolFailure, "Invalid bulk string terminator", Bridge.ServerEndPoint);
}
var result = new RawResult(ResultType.BulkString, buffer, offset, bodySize);
offset += bodySize + 2;
count -= bodySize + 2;
return(result);
}
}
return(RawResult.Nil);
}
private RawResult ReadArray(byte[] buffer, ref int offset, ref int count)
{
var itemCount = ReadLineTerminatedString(ResultType.Integer, buffer, ref offset, ref count);
if (itemCount.HasValue)
{
long i64;
if (!itemCount.TryGetInt64(out i64))
{
throw ExceptionFactory.ConnectionFailure(Multiplexer.IncludeDetailInExceptions, ConnectionFailureType.ProtocolFailure, "Invalid array length", Bridge.ServerEndPoint);
}
int itemCountActual = checked ((int)i64);
if (itemCountActual < 0)
{
//for null response by command like EXEC, RESP array: *-1\r\n
return(new RawResult(ResultType.SimpleString, null, 0, 0));
}
else if (itemCountActual == 0)
{
//for zero array response by command like SCAN, Resp array: *0\r\n
return(RawResult.EmptyArray);
}
var arr = new RawResult[itemCountActual];
for (int i = 0; i < itemCountActual; i++)
{
if (!(arr[i] = TryParseResult(buffer, ref offset, ref count)).HasValue)
{
return(RawResult.Nil);
}
}
return(new RawResult(arr));
}
return(RawResult.Nil);
}