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/* Copyright (c) 2003, 2005 MySQL AB
   Use is subject to license terms

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1335  USA */

#ifndef TEST_ORD_H
#define TEST_ORD_H

#include "SignalData.hpp"

/**
 * Send by API to preform TEST ON / TEST OFF
 *
 * SENDER:  API
 * RECIVER: SimBlockCMCtrBlck
 */
class TestOrd {
  friend class Ndb;
  friend class Cmvmi;
  friend class MgmtSrvr;
public:

  enum Command {
    KeepUnchanged = 0,
    On            = 1,
    Off           = 2,
    Toggle        = 3,
    COMMAND_MASK  = 3
  };
  
  enum SignalLoggerSpecification {
    InputSignals       = 1,
    OutputSignals      = 2,
    InputOutputSignals = 3,
    LOG_MASK           = 3
  };

  enum TraceSpecification {
    TraceALL              = 0,
    TraceAPI              = 1,
    TraceGlobalCheckpoint = 2,
    TraceLocalCheckpoint  = 4,
    TraceDisconnect       = 8,
    TRACE_MASK            = 15
  };

private:
  STATIC_CONST( SignalLength = 25 );

  /**
   * Clear Signal
   */
  void clear();

  /**
   * Set/Get test command
   */
  void setTestCommand(Command);
  void getTestCommand(Command&) const;
  
  /**
   * Set trace command
   */
  void setTraceCommand(Command, TraceSpecification);
  
  /**
   * Get trace command
   */
  void getTraceCommand(Command&, TraceSpecification&) const;
  
  /**
   * Return no of signal logger commands 
   *
   * -1 Means apply command(0) to all blocks
   * 
   */
  UintR getNoOfSignalLoggerCommands() const;

  /**
   * Add a signal logger command to a specific block
   */
  void addSignalLoggerCommand(BlockNumber, Command, SignalLoggerSpecification);
  
  /**
   * Add a signal logger command to all blocks
   *
   * Note removes all previously added commands
   *
   */
  void addSignalLoggerCommand(Command, SignalLoggerSpecification);
			  
  /**
   * Get Signal logger command
   */
  void getSignalLoggerCommand(int no, BlockNumber&, Command&, SignalLoggerSpecification&) const;
  
  UintR testCommand;              // DATA 0 
  UintR traceCommand;             // DATA 1
  UintR noOfSignalLoggerCommands; // DATA 2
  UintR signalLoggerCommands[22]; // DATA 3 - 25
};

#define COMMAND_SHIFT  (0)
#define TRACE_SHIFT    (2)
#define LOG_SHIFT      (2)

#define BLOCK_NO_SHIFT (16)
#define BLOCK_NO_MASK  65535

/**
 * Clear Signal
 */
inline
void
TestOrd::clear(){
  setTestCommand(KeepUnchanged);
  setTraceCommand(KeepUnchanged, TraceAPI); // 
  noOfSignalLoggerCommands = 0;
}

/**
 * Set/Get test command
 */
inline
void
TestOrd::setTestCommand(Command cmd){
  ASSERT_RANGE(cmd, 0, COMMAND_MASK, "TestOrd::setTestCommand");
  testCommand = cmd;
}

inline
void
TestOrd::getTestCommand(Command & cmd) const{
  cmd = (Command)(testCommand >> COMMAND_SHIFT);
}

/**
 * Set trace command
 */
inline
void
TestOrd::setTraceCommand(Command cmd, TraceSpecification spec){
  ASSERT_RANGE(cmd, 0, COMMAND_MASK, "TestOrd::setTraceCommand");
  ASSERT_RANGE(spec, 0, TRACE_MASK, "TestOrd::setTraceCommand");
  traceCommand = (cmd << COMMAND_SHIFT) | (spec << TRACE_SHIFT);
}

/**
 * Get trace command
 */
inline
void
TestOrd::getTraceCommand(Command & cmd, TraceSpecification & spec) const{
  cmd  = (Command)((traceCommand >> COMMAND_SHIFT) & COMMAND_MASK);
  spec = (TraceSpecification)((traceCommand >> TRACE_SHIFT) & TRACE_MASK);
}

/**
 * Return no of signal logger commands 
 *
 * -1 Means apply command(0) to all blocks
 * 
 */
inline
UintR
TestOrd::getNoOfSignalLoggerCommands() const{
  return noOfSignalLoggerCommands;
}

/**
 * Add a signal logger command to a specific block
 */
inline
void
TestOrd::addSignalLoggerCommand(BlockNumber bnr, 
				Command cmd, SignalLoggerSpecification spec){
  ASSERT_RANGE(cmd, 0, COMMAND_MASK, "TestOrd::addSignalLoggerCommand");
  ASSERT_RANGE(spec, 0, LOG_MASK, "TestOrd::addSignalLoggerCommand");
  //ASSERT_MAX(bnr, BLOCK_NO_MASK, "TestOrd::addSignalLoggerCommand");

  signalLoggerCommands[noOfSignalLoggerCommands] =
    (bnr << BLOCK_NO_SHIFT) | (cmd << COMMAND_SHIFT) | (spec << LOG_SHIFT);
  noOfSignalLoggerCommands ++;
}

/**
 * Add a signal logger command to all blocks
 *
 * Note removes all previously added commands
 *
 */
inline
void
TestOrd::addSignalLoggerCommand(Command cmd, SignalLoggerSpecification spec){
  ASSERT_RANGE(cmd, 0, COMMAND_MASK, "TestOrd::addSignalLoggerCommand");
  ASSERT_RANGE(spec, 0, LOG_MASK, "TestOrd::addSignalLoggerCommand");

  noOfSignalLoggerCommands = ~0;
  signalLoggerCommands[0] = (cmd << COMMAND_SHIFT) | (spec << LOG_SHIFT);
}

/**
 * Get Signal logger command
 */
inline
void
TestOrd::getSignalLoggerCommand(int no, BlockNumber & bnr, 
				Command & cmd, 
				SignalLoggerSpecification & spec) const{
  bnr  = (BlockNumber)((signalLoggerCommands[no] >> BLOCK_NO_SHIFT) 
		       & BLOCK_NO_MASK);
  cmd  = (Command)((signalLoggerCommands[no] >> COMMAND_SHIFT)  
		   & COMMAND_MASK);
  spec = (SignalLoggerSpecification)((signalLoggerCommands[no] >> LOG_SHIFT) 
				     & LOG_MASK);
}

#endif