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ejecting sd card/flash drives with boost::process::child on mac/linux

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This commit is contained in:
David Kocik 2020-03-10 08:28:27 +01:00
parent 0836df93e1
commit e6035542fa
1 changed files with 21 additions and 9 deletions
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30
src/slic3r/GUI/RemovableDriveManager.cpp
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@ -21,6 +21,7 @@
#include <pwd.h>
#include <boost/filesystem.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/process.hpp>
#endif
namespace Slic3r {
@ -329,29 +330,40 @@ void RemovableDriveManager::eject_drive()
auto it_drive_data = this->find_last_save_path_drive_data();
if (it_drive_data != m_current_drives.end()) {
std::string correct_path(m_last_save_path);
for (size_t i = 0; i < correct_path.size(); ++i)
#ifndef __APPLE__
for (size_t i = 0; i < correct_path.size(); ++i)
if (correct_path[i]==' ') {
correct_path = correct_path.insert(i,1,'\\');
++ i;
}
#endif
//std::cout<<"Ejecting "<<(*it).name<<" from "<< correct_path<<"\n";
// there is no usable command in c++ so terminal command is used instead
// but neither triggers "succesful safe removal messege"
std::string command =
BOOST_LOG_TRIVIAL(info) << "Ejecting started";
boost::process::ipstream istd_err;
boost::process::child child(
#if __APPLE__
"diskutil unmount ";
boost::process::search_path("diskutil"), "eject", correct_path.c_str(), (boost::process::std_out & boost::process::std_err) > istd_err);
//Another option how to eject at mac. Currently not working.
//used insted of system() command;
//this->eject_device(correct_path);
#else
"umount ";
boost::process::search_path("umount"), correct_path.c_str(), (boost::process::std_out & boost::process::std_err) > istd_err);
#endif
command += correct_path;
int err = system(command.c_str());
if (err) {
BOOST_LOG_TRIVIAL(error) << "Ejecting " << m_last_save_path << " failed";
return;
std::string line;
while (child.running() && std::getline(istd_err, line)) {
BOOST_LOG_TRIVIAL(trace) << line;
}
// wait for command to finnish (blocks ui thread)
child.wait();
int err = child.exit_code();
if(err)
{
BOOST_LOG_TRIVIAL(error) << "Ejecting failed";
return;
}
BOOST_LOG_TRIVIAL(info) << "Ejecting finished";
assert(m_callback_evt_handler);
if (m_callback_evt_handler)