public static byte[] BuildInvalidResponse(InvalidCommand command)
{
BinaryResponseStatus status;
if (command!=null && command.Opcode == Opcode.unknown_command)
status = BinaryResponseStatus.unknown_commnad;
else
status = BinaryResponseStatus.invalid_arguments;
return BuildResposne(command.Opcode, status, command.Opaque, 0, null, null, null);
}
public void CreateInvalidCommand()
{
_command = new InvalidCommand();
}
private void CreateInvalidCommand()
{
_command = new InvalidCommand(null);
this.State = ParserState.ReadyToDispatch;
return;
}
private void CreateInvalidCommand(string error)
{
_command = new InvalidCommand(error);
this.State = ParserState.ReadyToDispatch;
return;
}
private void CreateRetrievalCommand(string arguments, Opcode cmdType)
{
if (arguments == null)
{
CreateInvalidCommand();
return;
}
string[] argumentsArray = arguments.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (argumentsArray.Length == 0)
{
_command = new InvalidCommand();
}
else
{
GetCommand getCommand = new GetCommand(cmdType);
getCommand.Keys = argumentsArray;
_command = getCommand;
}
this.State = ParserState.ReadyToDispatch;
}
/// <summary>
/// Parses an <see cref="Alachisoft.NCache.Integrations.Memcached.ProxyServer.Commands.AbstractCommand"/> from string
/// </summary>
/// <param name="command">string command to pe parsed</param>
public void Parse(string command)
{
string[] commandParts = command.Split(new char[] { ' ' }, 2, StringSplitOptions.RemoveEmptyEntries);
if (commandParts == null || commandParts.Length == 0)
{
_command = new InvalidCommand();
this.State = ParserState.ReadyToDispatch;
return;
}
string arguments = null;
if (commandParts.Length > 1)
arguments = commandParts[1];
switch (commandParts[0])
{
case "get":
CreateRetrievalCommand(arguments, Opcode.Get);
break;
case "gets":
CreateRetrievalCommand(arguments, Opcode.Gets);
break;
case "set":
CreateStorageCommand(arguments, Opcode.Set);
break;
case "add":
CreateStorageCommand(arguments, Opcode.Add);
break;
case "replace":
CreateStorageCommand(arguments, Opcode.Replace);
break;
case "append":
CreateStorageCommand(arguments, Opcode.Append);
break;
case "prepend":
CreateStorageCommand(arguments, Opcode.Prepend);
break;
case "cas":
CreateStorageCommand(arguments, Opcode.CAS);
break;
case "delete":
CreateDeleteCommand(arguments);
break;
case "incr":
CreateCounterCommand(arguments, Opcode.Increment);
break;
case "decr":
CreateCounterCommand(arguments, Opcode.Decrement);
break;
case "touch":
CreateTouchCommand(arguments);
break;
case "flush_all":
CreateFlushCommand(arguments);
break;
case "stats":
CreateStatsCommand(arguments);
break;
case "slabs":
break;
case "version":
CreateVersionCommand(arguments);
break;
case "verbosity":
CreateVerbosityCommand(arguments);
break;
case "quit":
CreateQuitCommand();
break;
default:
CreateInvalidCommand();
break;
}
}
private void CreateSlabsCommand(string arguments)
{
if (string.IsNullOrEmpty(arguments))
{
CreateInvalidCommand();
return;
}
string[] argumentsArray;
argumentsArray = arguments.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (argumentsArray.Length > 3 || argumentsArray.Length < 2)
{
CreateInvalidCommand();
return;
}
try
{
bool noreply = false;
switch (argumentsArray[0])
{
case "reasign":
int sourceClass = int.Parse(argumentsArray[1]);
int destClass = int.Parse(argumentsArray[2]);
noreply = argumentsArray.Length > 2 && argumentsArray[3] == "noreply";
_command = new SlabsReassignCommand(sourceClass, destClass);
_command.NoReply = noreply;
break;
case "automove":
int option = int.Parse(argumentsArray[1]);
noreply = argumentsArray.Length > 2 && argumentsArray[2] == "noreply";
_command = new SlabsAuomoveCommand(option);
_command.NoReply = noreply;
break;
default:
_command = new InvalidCommand();
break;
}
this.State = ParserState.ReadyToDispatch;
}
catch (Exception)
{
CreateInvalidCommand();
}
}