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FileManager+FileOperation: Report Errors when doing an file operation

Report back errors from the FileOperation to the FileManager and
display them in the MessageBox
This commit is contained in:
Tobias Christiansen 2021-04-14 20:15:28 +02:00 committed by Andreas Kling
parent 7d60164d93
commit a8915ecd61
3 changed files with 35 additions and 10 deletions

View file

@ -63,12 +63,23 @@ FileOperationProgressWidget::FileOperationProgressWidget(NonnullRefPtr<Core::Fil
m_notifier->on_ready_to_read = [this] {
auto line = m_helper_pipe->read_line();
if (line.is_null()) {
did_error();
did_error("Read from pipe returned null.");
return;
}
auto parts = line.split_view(' ');
VERIFY(!parts.is_empty());
if (parts[0] == "ERROR"sv) {
did_error(line.substring(6));
return;
}
if (parts[0] == "WARN"sv) {
did_error(line.substring(5));
return;
}
if (parts[0] == "FINISH"sv) {
did_finish();
return;
@ -101,11 +112,11 @@ void FileOperationProgressWidget::did_finish()
window()->close();
}
void FileOperationProgressWidget::did_error()
void FileOperationProgressWidget::did_error(const String message)
{
// FIXME: Communicate more with the user about errors.
close_pipe();
GUI::MessageBox::show(window(), "An error occurred", "Error", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK);
GUI::MessageBox::show(window(), String::formatted("An error occurred: {}", message), "Error", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK);
window()->close();
}

View file

@ -41,7 +41,7 @@ private:
explicit FileOperationProgressWidget(NonnullRefPtr<Core::File> helper_pipe);
void did_finish();
void did_error();
void did_error(String message);
void did_progress(off_t bytes_done, off_t total_byte_count, size_t files_done, size_t total_file_count, off_t current_file_done, off_t current_file_size, const StringView& current_file_name);
void close_pipe();

View file

@ -33,6 +33,8 @@
#include <sys/stat.h>
static int perform_copy(const String& source, const String& destination);
static void report_error(String message);
static void report_warning(String message);
int main(int argc, char** argv)
{
@ -49,7 +51,7 @@ int main(int argc, char** argv)
if (operation == "Copy")
return perform_copy(source, destination);
warnln("Unknown operation '{}'", operation);
report_warning(String::formatted("Unknown operation '{}'", operation));
return 0;
}
@ -64,11 +66,22 @@ struct WorkItem {
off_t size;
};
static void report_error(String message)
{
outln("ERROR {}", message);
}
static void report_warning(String message)
{
outln("WARN {}", message);
}
static bool collect_work_items(const String& source, const String& destination, Vector<WorkItem>& items)
{
struct stat st = {};
if (stat(source.characters(), &st) < 0) {
perror("stat");
auto original_errno = errno;
report_error(String::formatted("stat: {}", strerror(original_errno)));
return false;
}
@ -127,7 +140,8 @@ int perform_copy(const String& source, const String& destination)
if (item.type == WorkItem::Type::CreateDirectory) {
outln("MKDIR {}", item.destination);
if (mkdir(item.destination.characters(), 0755) < 0 && errno != EEXIST) {
perror("mkdir");
auto original_errno = errno;
report_error(String::formatted("mkdir: {}", strerror(original_errno)));
return 1;
}
continue;
@ -135,12 +149,12 @@ int perform_copy(const String& source, const String& destination)
VERIFY(item.type == WorkItem::Type::CopyFile);
auto source_file_or_error = Core::File::open(item.source, Core::File::ReadOnly);
if (source_file_or_error.is_error()) {
warnln("Failed to open {} for reading: {}", item.source, source_file_or_error.error());
report_warning(String::formatted("Failed to open {} for reading: {}", item.source, source_file_or_error.error()));
return 1;
}
auto destination_file_or_error = Core::File::open(item.destination, (Core::IODevice::OpenMode)(Core::File::WriteOnly | Core::File::Truncate));
if (destination_file_or_error.is_error()) {
warnln("Failed to open {} for write: {}", item.destination, destination_file_or_error.error());
report_warning(String::formatted("Failed to open {} for write: {}", item.destination, destination_file_or_error.error()));
return 1;
}
auto& source_file = *source_file_or_error.value();
@ -152,7 +166,7 @@ int perform_copy(const String& source, const String& destination)
if (buffer.is_null())
break;
if (!destination_file.write(buffer)) {
warnln("Failed to write to destination file: {}", destination_file.error_string());
report_warning(String::formatted("Failed to write to destination file: {}", destination_file.error_string()));
return 1;
}
item_done += buffer.size();