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55 } + diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..6e3610d --- /dev/null +++ b/src/main.rs @@ -0,0 +1,127 @@ +//#![windows_subsystem = "windows"] + +use chrono::prelude::*; +use chrono::{DateTime, Local, TimeZone}; +use serde::Deserialize; +use std::path::Path; +use std::{thread, time::Duration}; +use sysinfo::{System, SystemExt}; + +use std::{env, fs, path::PathBuf, process::Command}; + +#[derive(Deserialize, Default, PartialEq, Eq, PartialOrd, Ord, Copy, Clone, Debug)] +struct TimeHM { + hour: u8, + minute: u8, +} + +impl From> for TimeHM { + fn from(value: DateTime) -> TimeHM { + TimeHM { + hour: value.hour() as u8, + minute: value.minute() as u8, + } + } +} + +#[derive(Deserialize, Default)] +struct Config { + command: String, + target: String, + workdir: String, + args: Option>, + start: TimeHM, + end: TimeHM, + delay: u32, +} + +impl Config { + fn read>(path: P) -> Result { + let data = fs::read_to_string(path).map_err(|e| format!("can't read config: {:?}", e))?; + toml::from_str(&data).map_err(|e| format!("can't parse config: {:?}", e)) + } + fn file_location() -> Result { + let res = env::current_exe() + .map_err(|e| format!("can't get current exe path: {:?}", e))? + .with_extension("toml"); + Ok(res) + } + fn get() -> Self { + let path = Config::file_location(); + if let Err(_e) = path { + //println!("{}", _e); + return Config::default(); + } + + let path = path.unwrap(); + let cfg = Config::read(path); + match cfg { + Err(_e) => { + //println!("{}", _e); + Config::default() + } + Ok(cfg) => cfg, + } + } + fn target_name(&self) -> String { + if !self.target.is_empty() { + self.target.clone() + } else { + PathBuf::from(self.command.clone()) + .file_name() + .unwrap() + .to_os_string() + .into_string() + .unwrap() + } + } + fn is_in_time(&self, value: TimeHM) -> bool { + dbg!(value); + dbg!(self.start <= value && value <= self.end); + self.start <= value && value <= self.end + } + fn is_active(&self) -> bool { + let now: DateTime = Local::now(); + self.is_in_time(now.into()) + } + fn sleep(&self) { + thread::sleep(Duration::from_secs(self.delay.into())); + } + fn is_target_alive(&self) -> bool { + let name = self.target_name(); + dbg!(&name); + let sp = System::new_all(); + let procs = sp.processes_by_exact_name(&name); + let count = procs.count(); + dbg!(count); + count > 0 + } + fn relaunch_target(&self) { + dbg!(&self.command); + let mut cmd = Command::new(&self.command); + cmd.current_dir(&self.workdir); + if let Some(args) = &self.args { + cmd.args(args); + } + let _res = cmd.spawn(); + } + fn is_valid(&self) -> bool { + (!self.command.is_empty()) && self.delay > 0 + } + fn main_loop(self) { + dbg!(self.is_valid()); + if !self.is_valid() { + return; + } + loop { + if self.is_active() && !self.is_target_alive() { + self.relaunch_target(); + } + self.sleep(); + } + } +} + +fn main() { + Config::get().main_loop() +}