lnav/src/file_collection.hh

98 lines
3.3 KiB
C++

/**
* Copyright (c) 2020, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @file file_collection.hh
*/
#ifndef lnav_file_collection_hh
#define lnav_file_collection_hh
#include <map>
#include <string>
#include "safe/safe.h"
#include "base/future_util.hh"
#include "logfile.hh"
#include "archive_manager.hh"
#include "lnav_util.hh"
struct scan_progress {
std::list<archive_manager::extract_progress> sp_extractions;
};
using safe_scan_progress = safe::Safe<scan_progress>;
struct file_collection {
bool fc_recursive{false};
bool fc_rotated{false};
std::map<std::string, std::string> fc_name_to_errors;
std::map<std::string, logfile_open_options> fc_file_names;
std::vector<std::shared_ptr<logfile>> fc_files;
int fc_files_generation{0};
std::vector<std::pair<std::shared_ptr<logfile>, std::string>>
fc_renamed_files;
std::set<std::string> fc_closed_files;
std::map<std::string, file_format_t> fc_other_files;
std::shared_ptr<safe_scan_progress> fc_progress;
size_t fc_largest_path_length{0};
file_collection()
: fc_progress(std::make_shared<safe::Safe<scan_progress>>())
{}
void clear()
{
this->fc_name_to_errors.clear();
this->fc_file_names.clear();
this->fc_files.clear();
this->fc_closed_files.clear();
this->fc_other_files.clear();
}
file_collection rescan_files(bool required = false);
void
expand_filename(future_queue<file_collection> &fq, const std::string &path,
logfile_open_options &loo, bool required);
std::future<file_collection>
watch_logfile(const std::string &filename, logfile_open_options &loo,
bool required);
void merge(const file_collection &other);
void close_file(const std::shared_ptr<logfile> &lf);
void regenerate_unique_file_names();
};
#endif