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126 行
3.8 KiB
126 行
3.8 KiB
#pragma once
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#include "gp/algorithms/min_of.hpp"
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#include "gp/containers/dynarray.hpp"
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#include "gp/containers/vector.hpp"
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#include "gp/functional/optional.hpp"
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#include <stdint.h>
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struct segment{
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int16_t priority = 0;
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gp::dynarray<char, 32> name;
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gp::dynarray<char, gp_config::limits::loggers_segment_size> text;
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};
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struct virtual_logging_segment{
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virtual size_t push_segment(gp::buffer<char> name, gp::buffer<char> text, int16_t prio = 0) = 0;
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virtual void set_segment(gp::buffer<char> name, gp::buffer<char> text, int16_t prio = 0) = 0;
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virtual gp::optional<gp::reference_wrapper<segment>> get_segment(gp::buffer<char> name) = 0;
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virtual size_t size() = 0;
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virtual segment& get_segment_by_idx(size_t) = 0;
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virtual void clear() = 0;
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};
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template<size_t capacity>
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struct static_logging_segment : virtual_logging_segment{
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gp::dynarray<segment, capacity> data;
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gp::optional<size_t> wrap_around;
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gp::function<void(virtual_logging_segment&)> on_destruct = +[](virtual_logging_segment&){};
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~static_logging_segment() {
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on_destruct(*this);
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}
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segment prepare_segment(gp::buffer<char> name, gp::buffer<char> text, int prio = 0) {
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segment prepared;
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prepared.priority = prio;
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{
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auto it = name.begin();
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auto end = name.begin()+gp::min(name.size(), prepared.name.capacity());
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while(it != end) {
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prepared.name.push_back(*it);
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++it;
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}
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}
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{
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auto it = text.begin();
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auto end = text.begin()+gp::min(text.size(), prepared.text.capacity());
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while(it != end) {
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prepared.text.push_back(*it);
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++it;
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}
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if(text.size()>prepared.text.capacity()) {
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auto it = prepared.text.rbegin();
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*it = '.'; ++it;
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*it = '.'; ++it;
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*it = '.';
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}
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}
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return prepared;
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}
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virtual size_t push_segment(gp::buffer<char> name, gp::buffer<char> text, int16_t prio = 0) {
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auto prepared = prepare_segment(name, text, prio);
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if(wrap_around.has_value()) {
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size_t idx = wrap_around.value();
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size_t override_prio = gp::min_of(data.begin(), data.end(), [](auto v){ return v.priority; });
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while(true) {
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if(data[idx].priority == override_prio) {
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data[idx] = prepared;
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break;
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}
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idx = (++idx) % data.size();
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}
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idx = (++idx) % data.size();
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wrap_around = idx;
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return idx-1;
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} else {
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data.push_back(prepared);
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return data.size()-1;
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}
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}
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virtual void set_segment(gp::buffer<char> name, gp::buffer<char> text, int16_t prio = 0) {
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auto prepared = prepare_segment(name, text, prio);
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if(auto seg = get_segment(name); seg.has_value()) {
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seg.value() = prepared;
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} else {
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data.push_back(prepared);
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}
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}
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virtual gp::optional<gp::reference_wrapper<segment>> get_segment(gp::buffer<char> name) {
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decltype(segment{}.name) tname;
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auto it = name.begin();
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auto end = name.begin()+gp::min(name.size(), tname.capacity());
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while(it != end) {
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tname.push_back(*it);
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++it;
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}
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for(auto& elem : data) {
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if(elem.name == tname) {
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return gp::reference_wrapper<segment>(elem);
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}
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}
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return gp::nullopt;
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}
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virtual size_t size() {
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return data.size();
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}
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virtual segment& get_segment_by_idx(size_t idx) {
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return data[idx];
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}
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virtual void clear() {
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data.~dynarray();
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new(&data) decltype(data){};
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}
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};
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/*struct dynamic_logging_segment{
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};*/
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