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111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/**
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* Copyright (c) 2023, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lnav_piper_file_hh
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#define lnav_piper_file_hh
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#include <filesystem>
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#include <map>
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#include <optional>
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#include <set>
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#include <string>
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#include <sys/time.h>
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#include "auto_mem.hh"
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#include "base/intern_string.hh"
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#include "lnav.console.hh"
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#include "mapbox/variant_io.hpp"
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#include "time_util.hh"
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namespace lnav {
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namespace piper {
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enum class demux_output_t {
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not_applicable,
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signal,
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invalid,
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};
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struct header {
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timeval h_ctime{};
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std::string h_name;
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std::string h_cwd;
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std::map<std::string, std::string> h_env;
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std::string h_timezone;
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std::string h_mux_id;
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demux_output_t h_demux_output{demux_output_t::not_applicable};
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std::map<std::string, std::string> h_demux_meta;
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bool operator<(const header& rhs) const
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{
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if (this->h_ctime < rhs.h_ctime) {
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return true;
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}
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if (this->h_ctime == rhs.h_ctime) {
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return this->h_name < rhs.h_name;
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}
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return false;
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}
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};
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const std::filesystem::path& storage_path();
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constexpr size_t HEADER_SIZE = 8;
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extern const char HEADER_MAGIC[4];
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std::optional<auto_buffer> read_header(int fd, const char* first8);
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class multiplex_matcher {
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public:
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struct found {
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std::string f_id;
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};
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struct partial {};
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struct not_found {};
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using match_result = mapbox::util::variant<found, partial, not_found>;
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match_result match(const string_fragment& line);
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std::vector<lnav::console::user_message> mm_details;
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private:
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std::set<std::string> mm_partial_match_ids;
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size_t mm_line_count{0};
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};
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} // namespace piper
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} // namespace lnav
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#endif
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