/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "logging/logConfiguration.hpp"

#include "logging/logDiagnosticCommand.hpp"

#include "memory/resourceArea.hpp"

#include "runtime/mutexLocker.hpp"

#include "utilities/globalDefinitions.hpp"

LogDiagnosticCommand::LogDiagnosticCommand(outputStream* output, bool heap_allocated)

  : DCmdWithParser(output, heap_allocated),

    _output("output", "The name or index (#<index>) of output to configure.", "STRING", false),

    _output_options("output_options", "Options for the output.", "STRING", false),

    _what("what", "Configures what tags to log.", "STRING", false),

    _decorators("decorators", "Configures which decorators to use. Use 'none' or an empty value to remove all.", "STRING", false),

    _disable("disable", "Turns off all logging and clears the log configuration.", "BOOLEAN", false),

    _list("list", "Lists current log configuration.", "BOOLEAN", false) {

  _dcmdparser.add_dcmd_option(&_output);

  _dcmdparser.add_dcmd_option(&_output_options);

  _dcmdparser.add_dcmd_option(&_what);

  _dcmdparser.add_dcmd_option(&_decorators);

  _dcmdparser.add_dcmd_option(&_disable);

  _dcmdparser.add_dcmd_option(&_list);

}

int LogDiagnosticCommand::num_arguments() {

  ResourceMark rm;

  LogDiagnosticCommand* dcmd = new LogDiagnosticCommand(NULL, false);

  if (dcmd != NULL) {

    DCmdMark mark(dcmd);

    return dcmd->_dcmdparser.num_arguments();

  } else {

    return 0;

  }

}

void LogDiagnosticCommand::registerCommand() {

  uint32_t full_visibility = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean;

  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<LogDiagnosticCommand>(full_visibility, true, false));

}

void LogDiagnosticCommand::execute(DCmdSource source, TRAPS) {

  bool any_command = false;

  if (_disable.has_value()) {

    MutexLocker ml(LogConfiguration_lock);

    LogConfiguration::disable_logging();

    any_command = true;

  }

  if (_output.has_value() || _what.has_value() || _decorators.has_value()) {

    MutexLocker ml(LogConfiguration_lock);

    if (!LogConfiguration::parse_log_arguments(_output.value(),

                                               _what.value(),

                                               _decorators.value(),

                                               _output_options.value(),

                                               output())) {

      return;

    }

    any_command = true;

  }

  if (_list.has_value()) {

    MutexLocker ml(LogConfiguration_lock);

    LogConfiguration::describe(output());

    any_command = true;

  }

  if (!any_command) {

    // If no argument was provided, print usage

    print_help(LogDiagnosticCommand::name());

  }

}