v01

thirdparty/ros/ros_comm/tools/rosconsole/examples/example.cpp

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+/*********************************************************************
+* Software License Agreement (BSD License)
+*
+*  Copyright (c) 2008, Willow Garage, Inc.
+*  All rights reserved.
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions
+*  are met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*   * Neither the name of Willow Garage, Inc. nor the names of its
+*     contributors may be used to endorse or promote products derived
+*     from this software without specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+*  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+*  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+*  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+*  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+*  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+*  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+*  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+*  POSSIBILITY OF SUCH DAMAGE.
+********************************************************************/
+
+#include "ros/console.h"
+#include <log4cxx/logger.h>
+
+void print(ros::console::Level level, const std::string& s)
+{
+  ROS_LOG(level, ROSCONSOLE_DEFAULT_NAME, "%s", s.c_str());
+}
+
+int main(int /*argc*/, char** /*argv*/)
+{
+  // This needs to happen before we start fooling around with logger levels.  Otherwise the level we set may be overwritten by
+  // a configuration file
+  ROSCONSOLE_AUTOINIT;
+
+  log4cxx::LoggerPtr my_logger = log4cxx::Logger::getLogger(ROSCONSOLE_DEFAULT_NAME);
+
+  // Set the logger for this package to output all statements
+  my_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Debug]);
+
+  // All these should print
+  ROS_DEBUG("This is a debug statement, and should print");
+  ROS_INFO("This is an info statement, and should print");
+  ROS_WARN("This is a warn statement, and should print");
+  ROS_ERROR("This is an error statement, and should print");
+  ROS_FATAL("This is a fatal statement, and should print");
+
+  // This should also print
+  print(ros::console::levels::Debug, "Hello, this should print");
+
+  my_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Error]);
+  // This will STILL print, because the logger's enabled state has been cached
+  print(ros::console::levels::Debug, "Hello, this will also print");
+
+  // Calling notifyLoggerLevelsChanged() will force a reevaluation of which logging statements are enabled
+  ros::console::notifyLoggerLevelsChanged();
+  // Which will cause this to not print
+  print(ros::console::levels::Debug, "Hello, this will NOT print");
+
+  log4cxx::LoggerPtr ros_logger = log4cxx::Logger::getLogger(ROSCONSOLE_ROOT_LOGGER_NAME);
+
+  my_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Debug]);
+  ros_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Error]);
+  ROS_DEBUG("This will still print, because the child logger's level overrides its ancestor loggers' levels");
+
+  log4cxx::LoggerPtr test_logger = log4cxx::Logger::getLogger(ROSCONSOLE_DEFAULT_NAME".test");
+  test_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Error]);
+  ROS_INFO_NAMED("test", "This will not print, because the ros.rosconsole.test logger has been set to Error verbosity");
+  test_logger->setLevel(ros::console::g_level_lookup[ros::console::levels::Debug]);
+  ROS_INFO_NAMED("test", "Now everything sent to the ros.rosconsole.test logger will be printed (including this)");
+
+  return 0;
+}