Files
ar_basalt/thirdparty/ros/ros_comm/tools/rosout/rosout.cpp
2022-04-05 11:42:28 +03:00

237 lines
7.2 KiB
C++

/*
* 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 <cstring>
#include <cstdlib>
#include "ros/ros.h"
#include "ros/file_log.h"
#ifdef WIN32
#ifdef ERROR
// ach, windows.h polluting everything again,
// clashes with autogenerated rosgraph_msgs/Log.h
#undef ERROR
#endif
#endif
#include "rosgraph_msgs/Log.h"
/**
* @mainpage
*
* @htmlinclude manifest.html
*
* @b rosout logs messages sent to the /rosout topic,
* which is a system-wide string logging mechanism.
*/
/**
* the rosout node subscribes to /rosout, logs the messages to file, and re-broadcasts the messages to /rosout_agg
*/
class Rosout
{
public:
std::string log_file_name_;
FILE* handle_;
size_t max_file_size_;
size_t current_file_size_;
size_t max_backup_index_;
size_t current_backup_index_;
ros::NodeHandle node_;
ros::Subscriber rosout_sub_;
ros::Publisher agg_pub_;
Rosout()
{
init();
}
void init()
{
max_file_size_ = 100*1024*1024;
current_file_size_ = 0;
max_backup_index_ = 10;
current_backup_index_ = 0;
log_file_name_ = ros::file_log::getLogDirectory() + "/rosout.log";
handle_ = fopen(log_file_name_.c_str(), "w");
if (handle_ == 0)
{
std::cerr << "Error opening rosout log file '" << log_file_name_.c_str() << "': " << strerror(errno);
}
else
{
std::cout << "logging to " << log_file_name_.c_str() << std::endl;
std::stringstream ss;
ss << "\n\n" << ros::Time::now() << " Node Startup\n";
int written = fprintf(handle_, "%s", ss.str().c_str());
if (written < 0)
{
std::cerr << "Error writting to rosout log file '" << log_file_name_.c_str() << "': " << strerror(ferror(handle_)) << std::endl;
}
else if (written > 0)
{
current_file_size_ += written;
if (fflush(handle_))
{
std::cerr << "Error flushing rosout log file '" << log_file_name_.c_str() << "': " << strerror(ferror(handle_));
}
}
}
agg_pub_ = node_.advertise<rosgraph_msgs::Log>("/rosout_agg", 0);
std::cout << "re-publishing aggregated messages to /rosout_agg" << std::endl;
rosout_sub_ = node_.subscribe("/rosout", 0, &Rosout::rosoutCallback, this);
std::cout << "subscribed to /rosout" << std::endl;
}
void rosoutCallback(const rosgraph_msgs::Log::ConstPtr& msg)
{
agg_pub_.publish(msg);
std::stringstream ss;
ss << msg->header.stamp << " ";
switch (msg->level)
{
case rosgraph_msgs::Log::FATAL:
ss << "FATAL ";
break;
case rosgraph_msgs::Log::ERROR:
ss << "ERROR ";
break;
case rosgraph_msgs::Log::WARN:
ss << "WARN ";
break;
case rosgraph_msgs::Log::DEBUG:
ss << "DEBUG ";
break;
case rosgraph_msgs::Log::INFO:
ss << "INFO ";
break;
default:
ss << msg->level << " ";
}
ss << "[" << msg->file << ":" << msg->line << "(" << msg->function << ") ";
ss << "[topics: ";
std::vector<std::string>::const_iterator it = msg->topics.begin();
std::vector<std::string>::const_iterator end = msg->topics.end();
for ( ; it != end; ++it )
{
const std::string& topic = *it;
if ( it != msg->topics.begin() )
{
ss << ", ";
}
ss << topic;
}
ss << "] ";
ss << msg->msg;
ss << "\n";
int written = fprintf(handle_, "%s", ss.str().c_str());
if (written < 0)
{
std::cerr << "Error writting to rosout log file '" << log_file_name_.c_str() << "': " << strerror(ferror(handle_)) << std::endl;
}
else if (written > 0)
{
current_file_size_ += written;
if (fflush(handle_))
{
std::cerr << "Error flushing rosout log file '" << log_file_name_.c_str() << "': " << strerror(ferror(handle_));
}
// check for rolling
if (current_file_size_ > max_file_size_)
{
if (fclose(handle_))
{
std::cerr << "Error closing rosout log file '" << log_file_name_.c_str() << "': " << strerror(ferror(handle_)) << std::endl;
}
current_backup_index_++;
if (current_backup_index_ <= max_backup_index_)
{
std::stringstream backup_file_name;
backup_file_name << log_file_name_ << "." << current_backup_index_;
int rc = rename(log_file_name_.c_str(), backup_file_name.str().c_str());
if (rc != 0)
{
rc = remove(backup_file_name.str().c_str());
if (rc == 0)
{
rc = rename(log_file_name_.c_str(), backup_file_name.str().c_str());
if (rc)
{
std::cerr << "Error rotating rosout log file '" << log_file_name_.c_str() << "' to '" << backup_file_name.str().c_str() << "': " << strerror(errno);
}
}
}
if (rc)
{
std::cerr << "Error rotating rosout log file '" << log_file_name_.c_str() << "'' to '" << backup_file_name.str().c_str() << "'" << std::endl;
}
else
{
std::cout << "rosout log file " << log_file_name_.c_str() << " reached max size, back up data to " << backup_file_name.str().c_str() << std::endl;
}
if (current_backup_index_ == max_backup_index_)
{
current_backup_index_ = 0;
}
}
handle_ = fopen(log_file_name_.c_str(), "w");
if (handle_ == 0)
{
std::cerr << "Error opening rosout log file '" << log_file_name_.c_str() << "': " << strerror(errno);
}
current_file_size_ = 0;
}
}
}
};
int main(int argc, char **argv)
{
ros::init(argc, argv, "rosout", ros::init_options::NoRosout);
ros::NodeHandle n;
Rosout r;
ros::spin();
return 0;
}