public static byte[] BuildCounterResponse(CounterCommand command)
{
byte[] value = null;
BinaryResponseStatus status = BinaryResponseStatus.no_error;
ulong cas = 0;
if (command.ExceptionOccured)
status = BinaryResponseStatus.item_not_stored;
else
{
switch (command.OperationResult.ReturnResult)
{
case Result.ITEM_TYPE_MISMATCHED:
status = BinaryResponseStatus.incr_decr_on_nonnumeric_value;
value = MemcachedEncoding.BinaryConverter.GetBytes("Increment or decrement on non-numeric value");
break;
case Result.ITEM_NOT_FOUND:
status = BinaryResponseStatus.key_not_found;
value = MemcachedEncoding.BinaryConverter.GetBytes("NOT_FOUND");
break;
case Result.SUCCESS:
if (command.NoReply == true)
return null;
cas = (ulong)command.OperationResult.Value;
ulong response = (command.OperationResult as MutateOpResult).MutateResult;
value = MemcachedEncoding.BinaryConverter.GetBytes(response);
break;
case Result.ITEM_MODIFIED:
status = BinaryResponseStatus.key_exists;
break;
}
}
return BuildResposne(command.Opcode, status, command.Opaque, cas, null, value, null);
}
private void CreateCounterCommand(Opcode cmdType, bool noreply)
{
CounterCommand cmd = new CounterCommand(cmdType);
cmd.Delta = MemcachedEncoding.BinaryConverter.ToUInt64(_rawData, 0);
cmd.InitialValue = MemcachedEncoding.BinaryConverter.ToUInt64(_rawData, 8);
cmd.ExpirationTimeInSeconds = (long)MemcachedEncoding.BinaryConverter.ToUInt32(_rawData, 16);
cmd.Key = MemcachedEncoding.BinaryConverter.GetString(_rawData, 20, _requestHeader.KeyLength);
cmd.CAS = _requestHeader.CAS;
cmd.NoReply = noreply;
_command = cmd;
}
private void CreateCounterCommand(string arguments, Opcode cmdType)
{
string[] argumentsArray = arguments.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (argumentsArray.Length > 3 || argumentsArray.Length < 2)
{
CreateInvalidCommand();
return;
}
CounterCommand command = new CounterCommand(cmdType);
try
{
command.Key = argumentsArray[0];
command.Delta = ulong.Parse(argumentsArray[1]);
if (argumentsArray.Length > 2 && argumentsArray[2] == "noreply")
command.NoReply = true;
}
catch (Exception)
{
command.ErrorMessage = "CLIENT_ERROR bad command line format";
}
_command = command;
this.State = ParserState.ReadyToDispatch;
}