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Add command line option to log process id to file. (#4685)

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clemahieu 2024-07-22 11:50:08 +01:00 • committed by GitHub
commit c9ba8f5b6d
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1 changed files with 41 additions and 2 deletions
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43
nano/nano_node/entry.cpp
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@ -20,6 +20,7 @@
#include <boost/dll/runtime_symbol_info.hpp>
#include <boost/format.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/process.hpp>
#include <boost/program_options.hpp>
#include <boost/range/adaptor/reversed.hpp>
#ifdef _WIN32
@ -55,7 +56,38 @@ public:
bool operator< (const address_library_pair & other) const;
bool operator== (const address_library_pair & other) const;
};
std::filesystem::path pid_file;
void remove_pid_file ()
{
std::error_code ec;
std::filesystem::remove (pid_file, ec);
if (ec)
{
std::cerr << "Unable to remove pid file: " << ec.message ();
}
}
void register_pid_file ()
{
std::error_code ec;
auto pid = boost::this_process::get_id ();
std::filesystem::create_directories (pid_file.parent_path (), ec);
if (ec)
{
std::cerr << "Unable to access PID file path" << std::endl;
return;
}
std::ofstream pid_file_stream (pid_file, std::ios::out | std::ios::trunc);
if (pid_file_stream.is_open ())
{
pid_file_stream << std::to_string (pid) << std::endl;
pid_file_stream.close ();
std::atexit (remove_pid_file);
}
else
{
std::cerr << "Unable to open PID file for writing." << std::endl;
}
}
}
int main (int argc, char * const * argv)
@ -113,7 +145,8 @@ int main (int argc, char * const * argv)
("count", boost::program_options::value<std::string> (), "Defines <count> for various commands")
("pow_sleep_interval", boost::program_options::value<std::string> (), "Defines the amount to sleep inbetween each pow calculation attempt")
("address_column", boost::program_options::value<std::string> (), "Defines which column the addresses are located, 0 indexed (check --debug_output_last_backtrace_dump output)")
("silent", "Silent command execution");
("silent", "Silent command execution")
("pid_file", boost::program_options::value<std::string> (), "If present, node will write its process id to the specified file and delete the file upon exit");
// clang-format on
nano::add_node_options (description);
nano::add_node_flag_options (description);
@ -141,6 +174,12 @@ int main (int argc, char * const * argv)
}
}
if (auto existing = vm.find ("pid_file"); existing != vm.end ())
{
pid_file = existing->second.as<std::string> ();
register_pid_file ();
}
nano::network_params network_params{ nano::network_constants::active_network };
auto data_path_it = vm.find ("data_path");
std::filesystem::path data_path ((data_path_it != vm.end ()) ? std::filesystem::path (data_path_it->second.as<std::string> ()) : nano::working_path ());