2021-06-20 00:57:27 +12:00
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/* Copyright 2021 Aristocratos (jakob@qvantnet.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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indent = tab
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tab-size = 4
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*/
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#include <cmath>
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#include <iostream>
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#include <fstream>
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#include <chrono>
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#include <ctime>
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#include <sstream>
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#include <iomanip>
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#include <utility>
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#include <robin_hood.h>
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#include <thread>
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#include <unistd.h>
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#include <termios.h>
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#include <sys/ioctl.h>
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2021-06-20 10:49:13 +12:00
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#include <btop_shared.hpp>
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2021-06-20 08:48:31 +12:00
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#include <btop_tools.hpp>
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2021-06-20 00:57:27 +12:00
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using std::string_view, std::array, std::regex, std::max, std::to_string, std::cin,
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std::atomic, robin_hood::unordered_flat_map;
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namespace fs = std::filesystem;
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namespace rng = std::ranges;
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//? ------------------------------------------------- NAMESPACES ------------------------------------------------------
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//* Collection of escape codes for text style and formatting
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namespace Fx {
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const string e = "\x1b[";
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const string b = e + "1m";
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const string ub = e + "22m";
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const string d = e + "2m";
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const string ud = e + "22m";
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const string i = e + "3m";
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const string ui = e + "23m";
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const string ul = e + "4m";
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const string uul = e + "24m";
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const string bl = e + "5m";
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const string ubl = e + "25m";
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const string s = e + "9m";
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const string us = e + "29m";
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const string reset_base = e + "0m";
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string reset = reset_base;
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const regex escape_regex("\033\\[\\d+;?\\d?;?\\d*;?\\d*;?\\d*(m|f|s|u|C|D|A|B){1}");
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const regex color_regex("\033\\[\\d+;?\\d?;?\\d*;?\\d*;?\\d*(m){1}");
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string uncolor(string& s){
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return regex_replace(s, color_regex, "");
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}
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}
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//* Collection of escape codes and functions for cursor manipulation
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namespace Mv {
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const string to(int line, int col){ return Fx::e + to_string(line) + ";" + to_string(col) + "f";}
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const string r(int x){ return Fx::e + to_string(x) + "C";}
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const string l(int x){ return Fx::e + to_string(x) + "D";}
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const string u(int x){ return Fx::e + to_string(x) + "A";}
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const string d(int x) { return Fx::e + to_string(x) + "B";}
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const string save = Fx::e + "s";
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const string restore = Fx::e + "u";
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}
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//* Collection of escape codes and functions for terminal manipulation
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namespace Term {
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bool initialized = false;
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bool resized = false;
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uint width = 0;
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uint height = 0;
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string fg, bg, current_tty;
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const string hide_cursor = Fx::e + "?25l";
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const string show_cursor = Fx::e + "?25h";
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const string alt_screen = Fx::e + "?1049h";
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const string normal_screen = Fx::e + "?1049l";
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const string clear = Fx::e + "2J" + Fx::e + "0;0f";
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const string clear_end = Fx::e + "0J";
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const string clear_begin = Fx::e + "1J";
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const string mouse_on = Fx::e + "?1002h" + Fx::e + "?1015h" + Fx::e + "?1006h";
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const string mouse_off = Fx::e + "?1002l";
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const string mouse_direct_on = Fx::e + "?1003h";
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const string mouse_direct_off = Fx::e + "?1003l";
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namespace {
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struct termios initial_settings;
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//* Toggle terminal input echo
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bool echo(bool on=true){
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struct termios settings;
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if (tcgetattr(STDIN_FILENO, &settings)) return false;
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if (on) settings.c_lflag |= ECHO;
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else settings.c_lflag &= ~(ECHO);
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return 0 == tcsetattr(STDIN_FILENO, TCSANOW, &settings);
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}
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//* Toggle need for return key when reading input
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bool linebuffered(bool on=true){
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struct termios settings;
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if (tcgetattr(STDIN_FILENO, &settings)) return false;
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if (on) settings.c_lflag |= ICANON;
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else settings.c_lflag &= ~(ICANON);
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if (tcsetattr(STDIN_FILENO, TCSANOW, &settings)) return false;
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if (on) setlinebuf(stdin);
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else setbuf(stdin, NULL);
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return true;
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}
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}
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bool refresh(){
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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if (width != w.ws_col || height != w.ws_row) {
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width = w.ws_col;
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height = w.ws_row;
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resized = true;
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}
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return resized;
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}
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bool init(){
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if (!initialized){
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initialized = (bool)isatty(STDIN_FILENO);
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if (initialized) {
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tcgetattr(STDIN_FILENO, &initial_settings);
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current_tty = (string)ttyname(STDIN_FILENO);
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cin.sync_with_stdio(false);
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cin.tie(NULL);
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echo(false);
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linebuffered(false);
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refresh();
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resized = false;
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}
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}
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return initialized;
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}
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void restore(){
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if (initialized) {
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echo(true);
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linebuffered(true);
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tcsetattr(STDIN_FILENO, TCSANOW, &initial_settings);
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initialized = false;
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}
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}
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}
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//? --------------------------------------------------- FUNCTIONS -----------------------------------------------------
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namespace Tools {
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namespace {
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//? Units for floating_humanizer function
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const array<string, 11> Units_bit = {"bit", "Kib", "Mib", "Gib", "Tib", "Pib", "Eib", "Zib", "Yib", "Bib", "GEb"};
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const array<string, 11> Units_byte = {"Byte", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", "BiB", "GEB"};
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}
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size_t ulen(string str, const bool escape){
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if (escape) str = std::regex_replace(str, Fx::escape_regex, "");
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return rng::count_if(str, [](char c) { return (static_cast<unsigned char>(c) & 0xC0) != 0x80; } );
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}
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string uresize(string str, const size_t len){
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if (str.size() < 1) return str;
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if (len < 1) return "";
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for (size_t x = 0, i = 0; i < str.size(); i++) {
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if ((static_cast<unsigned char>(str.at(i)) & 0xC0) != 0x80) x++;
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if (x == len + 1) {
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str.resize(i);
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str.shrink_to_fit();
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break;
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}
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}
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return str;
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}
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uint64_t time_s(){
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return std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now().time_since_epoch()).count();
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}
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uint64_t time_ms(){
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return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
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}
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uint64_t time_micros(){
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return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
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}
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bool isbool(string& str){
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return (str == "true") || (str == "false") || (str == "True") || (str == "False");
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}
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bool stobool(string& str){
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return (str == "true" || str == "True");
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}
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bool isint(string& str){
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if (str.empty()) return false;
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size_t offset = (str[0] == '-' ? 1 : 0);
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return all_of(str.begin() + offset, str.end(), ::isdigit);
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}
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string ltrim(const string& str, const string t_str){
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string_view str_v = str;
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while (str_v.starts_with(t_str)) str_v.remove_prefix(t_str.size());
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return (string)str_v;
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}
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string rtrim(const string& str, const string t_str){
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string_view str_v = str;
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while (str_v.ends_with(t_str)) str_v.remove_suffix(t_str.size());
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return (string)str_v;
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}
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string trim(const string& str, const string t_str){
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return ltrim(rtrim(str, t_str), t_str);
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}
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vector<string> ssplit(const string& str, const char delim){
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vector<string> out;
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for (const auto& s : str | rng::views::split(delim)
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| rng::views::transform([](auto &&rng) {
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return string_view(&*rng.begin(), rng::distance(rng));
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})) {
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if (!s.empty()) out.emplace_back(s);
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}
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return out;
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}
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void sleep_ms(const uint& ms) {
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std::this_thread::sleep_for(std::chrono::milliseconds(ms));
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}
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string ljust(string str, const size_t x, bool utf, bool escape, bool lim){
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if (utf || escape) {
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if (!escape && lim && ulen(str) > x) str = uresize(str, x);
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return str + string(max((int)(x - ulen(str, escape)), 0), ' ');
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}
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else {
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if (lim && str.size() > x) str.resize(x);
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return str + string(max((int)(x - str.size()), 0), ' ');
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}
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}
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string rjust(string str, const size_t x, bool utf, bool escape, bool lim){
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if (utf || escape) {
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if (!escape && lim && ulen(str) > x) str = uresize(str, x);
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return string(max((int)(x - ulen(str, escape)), 0), ' ') + str;
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}
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else {
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if (lim && str.size() > x) str.resize(x);
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return string(max((int)(x - str.size()), 0), ' ') + str;
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}
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}
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string trans(const string& str){
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size_t pos;
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string_view oldstr = str;
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string newstr;
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newstr.reserve(str.size());
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while ((pos = oldstr.find(' ')) != string::npos){
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newstr.append(oldstr.substr(0, pos));
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size_t x = 0;
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while (pos + x < oldstr.size() && oldstr.at(pos + x) == ' ') x++;
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newstr.append(Mv::r(x));
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oldstr.remove_prefix(pos + x);
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2021-06-20 00:57:27 +12:00
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}
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return (newstr.empty()) ? str : newstr + (string)oldstr;
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}
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string sec_to_dhms(uint sec){
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string out;
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uint d, h, m;
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d = sec / (3600 * 24);
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sec %= 3600 * 24;
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h = sec / 3600;
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sec %= 3600;
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m = sec / 60;
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sec %= 60;
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if (d>0) out = to_string(d) + "d ";
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out += ((h<10) ? "0" : "") + to_string(h) + ":";
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out += ((m<10) ? "0" : "") + to_string(m) + ":";
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out += ((sec<10) ? "0" : "") + to_string(sec);
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return out;
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}
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string floating_humanizer(uint64_t value, bool shorten, uint start, bool bit, bool per_second){
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string out;
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uint mult = (bit) ? 8 : 1;
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auto& units = (bit) ? Units_bit : Units_byte;
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value *= 100 * mult;
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while (value >= 102400){
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value >>= 10;
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if (value < 100){
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out = to_string(value);
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break;
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}
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start++;
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}
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if (out.empty()) {
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out = to_string(value);
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if (out.size() == 4 && start > 0) { out.pop_back(); out.insert(2, ".");}
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else if (out.size() == 3 && start > 0) out.insert(1, ".");
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else if (out.size() >= 2) out.resize(out.size() - 2);
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}
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if (shorten){
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if (out.find('.') != string::npos) out = to_string((int)round(stof(out)));
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if (out.size() > 3) { out = to_string((int)(out[0] - '0') + 1); start++;}
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out.push_back(units[start][0]);
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}
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else out += " " + units[start];
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if (per_second) out += (bit) ? "ps" : "/s";
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return out;
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}
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std::string operator*(string str, size_t n){
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string out;
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out.reserve(str.size() * n);
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while (n-- > 0) out += str;
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return out;
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}
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string strf_time(string strf){
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auto now = std::chrono::system_clock::now();
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auto in_time_t = std::chrono::system_clock::to_time_t(now);
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std::tm bt {};
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std::stringstream ss;
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ss << std::put_time(localtime_r(&in_time_t, &bt), strf.c_str());
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return ss.str();
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}
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#if (__GNUC__ > 10)
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//* Redirects to atomic wait
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void atomic_wait(atomic<bool>& atom, bool val){
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atom.wait(val);
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}
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#else
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//* Crude implementation of atomic wait for GCC 10
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void atomic_wait(atomic<bool>& atom, bool val){
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while (atom.load() == val) sleep_ms(1);
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}
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#endif
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void atomic_wait_set(atomic<bool>& atom, bool val){
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atomic_wait(atom, val);
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atom.store(val);
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}
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}
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namespace Logger {
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|
using namespace Tools;
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|
namespace {
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|
std::atomic<bool> busy (false);
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|
bool first = true;
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|
|
string tdf = "%Y/%m/%d (%T) | ";
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|
|
}
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|
|
|
|
|
|
|
vector<string> log_levels = {
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|
|
"DISABLED",
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|
|
"ERROR",
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|
"WARNING",
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|
"INFO",
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|
"DEBUG",
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|
};
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|
|
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|
|
size_t loglevel;
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|
|
fs::path logfile;
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|
|
|
|
|
|
void set(string level){
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|
|
loglevel = v_index(log_levels, level);
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|
|
}
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|
|
|
|
|
|
void log_write(uint level, string& msg){
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|
|
|
if (loglevel < level || logfile.empty()) return;
|
|
|
|
atomic_wait_set(busy, true);
|
|
|
|
std::error_code ec;
|
|
|
|
if (fs::exists(logfile) && fs::file_size(logfile, ec) > 1024 << 10 && !ec) {
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|
|
|
auto old_log = logfile;
|
|
|
|
old_log += ".1";
|
|
|
|
if (fs::exists(old_log)) fs::remove(old_log, ec);
|
|
|
|
if (!ec) fs::rename(logfile, old_log, ec);
|
|
|
|
}
|
|
|
|
if (!ec) {
|
|
|
|
std::ofstream lwrite(logfile, std::ios::app);
|
|
|
|
if (first) { first = false; lwrite << "\n" << strf_time(tdf) << "===> btop++ v." << Global::Version << "\n";}
|
|
|
|
lwrite << strf_time(tdf) << log_levels.at(level) << ": " << msg << "\n";
|
|
|
|
lwrite.close();
|
|
|
|
}
|
|
|
|
else logfile.clear();
|
|
|
|
busy.store(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
void error(string msg){
|
|
|
|
log_write(1, msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
void warning(string msg){
|
|
|
|
log_write(2, msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
void info(string msg){
|
|
|
|
log_write(3, msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
void debug(string msg){
|
|
|
|
log_write(4, msg);
|
|
|
|
}
|
|
|
|
}
|