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Add a --byhash switch to the locate command to search by content.

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This is mostly to demonstrate the new task classes.
This commit is contained in:
King_DuckZ 2016-03-12 00:32:15 +01:00
parent 34ead94c8d
commit e95cd6cc44
8 changed files with 195 additions and 14 deletions
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28
src/machinery/scantask/hashing.cpp
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@ -145,6 +145,9 @@ namespace mchlib {
void Hashing::on_data_fill() {
std::vector<FileRecordData>& file_list = m_file_tree_task->get_or_create();
if (file_list.empty()) {
return;
}
ProgressInfo progr_info;
progr_info.callback = m_progress_callback;
@ -153,8 +156,29 @@ namespace mchlib {
progr_info.total_bytes_read = 0;
progr_info.file_num = 0;
MutableSetListingView recordlist(file_list.begin(), file_list.end(), 0);
hash_dir(file_list.front(), recordlist, m_ignore_errors, progr_info);
if (file_list.front().is_directory) {
MutableSetListingView recordlist(file_list.begin(), file_list.end(), 0);
hash_dir(file_list.front(), recordlist, m_ignore_errors, progr_info);
}
else {
assert(1 == file_list.size());
auto& curr_file_rec = file_list.front();
TigerHash dummy {};
try {
tiger_file(curr_file_rec.abs_path, curr_file_rec.hash, dummy, curr_file_rec.size);
curr_file_rec.hash_valid = true;
}
catch (const std::ios_base::failure& e) {
if (m_ignore_errors) {
curr_file_rec.unreadable = true;
curr_file_rec.hash = TigerHash {};
}
else {
throw e;
}
}
}
}
void Hashing::set_progress_callback (ProgressCallback parFunc) {