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fix of #6588 - using same copy function for updating presets as for exporting gcode

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This commit is contained in:
David Kocik 2021-06-15 16:12:55 +02:00
parent f60f08fc64
commit 4146f1a62e
2 changed files with 7 additions and 30 deletions
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22
src/libslic3r/utils.cpp
View file

@ -490,8 +490,6 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
ec.clear();
int err = 0;
BOOST_LOG_TRIVIAL(trace) << "copy_file_linux("<<from<<", "<<to<< ")";
// Note: Declare fd_wrappers here so that errno is not clobbered by close() that may be called in fd_wrapper destructors
fd_wrapper infile, outfile;
@ -507,8 +505,6 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
}
break;
}
BOOST_LOG_TRIVIAL(trace) << "infile.fd " << infile.fd;
struct ::stat from_stat;
if (::fstat(infile.fd, &from_stat) != 0) {
@ -517,16 +513,12 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
goto fail;
}
BOOST_LOG_TRIVIAL(trace) << "from_stat";
const mode_t from_mode = from_stat.st_mode;
if (!S_ISREG(from_mode)) {
err = ENOSYS;
goto fail;
}
BOOST_LOG_TRIVIAL(trace) << "from_mode";
// Enable writing for the newly created files. Having write permission set is important e.g. for NFS,
// which checks the file permission on the server, even if the client's file descriptor supports writing.
mode_t to_mode = from_mode | S_IWUSR;
@ -542,29 +534,22 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
}
break;
}
BOOST_LOG_TRIVIAL(trace) << "outfile.fd " << outfile.fd;
struct ::stat to_stat;
if (::fstat(outfile.fd, &to_stat) != 0)
goto fail_errno;
BOOST_LOG_TRIVIAL(trace) << "to_stat";
to_mode = to_stat.st_mode;
if (!S_ISREG(to_mode)) {
err = ENOSYS;
goto fail;
}
BOOST_LOG_TRIVIAL(trace) << "to_mode";
if (from_stat.st_dev == to_stat.st_dev && from_stat.st_ino == to_stat.st_ino) {
err = EEXIST;
goto fail;
}
BOOST_LOG_TRIVIAL(trace) << "from / to compare";
//! copy_file implementation that uses sendfile loop. Requires sendfile to support file descriptors.
//FIXME Vojtech: This is a copy loop valid for Linux 2.6.33 and newer.
// copy_file_data_copy_file_range() supports cross-filesystem copying since 5.3, but Vojtech did not want to polute this
@ -579,9 +564,7 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
std::size_t size_to_copy = max_send_size;
if (size_left < static_cast<uintmax_t>(max_send_size))
size_to_copy = static_cast<std::size_t>(size_left);
BOOST_LOG_TRIVIAL(trace) << "sendfile " << outfile.fd << "; " << infile.fd << "; " << size_to_copy;
ssize_t sz = ::sendfile(outfile.fd, infile.fd, nullptr, size_to_copy);
BOOST_LOG_TRIVIAL(trace) << sz;
if (sz < 0) {
err = errno;
if (offset == 0u) {
@ -606,9 +589,6 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
offset += sz;
}
}
BOOST_LOG_TRIVIAL(trace) << "sendfile loop";
// If we created a new file with an explicitly added S_IWUSR permission,
// we may need to update its mode bits to match the source file.
if (to_mode != from_mode && ::fchmod(outfile.fd, from_mode) != 0) {
@ -632,8 +612,6 @@ bool copy_file_linux(const boost::filesystem::path &from, const boost::filesyste
if (err != 0)
goto fail_errno;
BOOST_LOG_TRIVIAL(trace) << "copy_file_linux success";
return true;
}
#endif // __linux__

15
src/slic3r/Utils/PresetUpdater.cpp
View file

@ -56,16 +56,15 @@ static const char *TMP_EXTENSION = ".download";
void copy_file_fix(const fs::path &source, const fs::path &target)
{
static const auto perms = fs::owner_read | fs::owner_write | fs::group_read | fs::others_read; // aka 644
BOOST_LOG_TRIVIAL(debug) << format("PresetUpdater: Copying %1% -> %2%", source, target);
// Make sure the file has correct permission both before and after we copy over it
if (fs::exists(target)) {
fs::permissions(target, perms);
std::string error_message;
CopyFileResult cfr = copy_file(source.string(), target.string(), error_message, false);
if (cfr != CopyFileResult::SUCCESS) {
BOOST_LOG_TRIVIAL(error) << "Copying failed(" << cfr << "): " << error_message;
throw Slic3r::CriticalException(GUI::format(
_L("Copying of file %1% to %2% failed: %3%"),
source, target, error_message));
}
fs::copy_file(source, target, fs::copy_option::overwrite_if_exists);
fs::permissions(target, perms);
}
struct Update