mod.rs
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mod.rs
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	use crate::{
	config, file, helpers,
	service::{run, stop, ProcessMetadata},
	};

	use chrono::serde::ts_milliseconds;
	use chrono::{DateTime, Utc};
	use global_placeholders::global;
	use macros_rs::{crashln, string, ternary, then};
	use psutil::process::{self, MemoryInfo};
	use serde::{Deserialize, Serialize};
	use serde_json::{json, Value};
	use std::collections::{BTreeMap, HashMap};
	use std::{env, path::PathBuf};
	use utoipa::ToSchema;

	#[derive(Serialize, ToSchema)]
	pub struct ItemSingle {
	info: Info,
	stats: Stats,
	watch: Watch,
	log: Log,
	raw: Raw,
	}

	#[derive(Serialize, ToSchema)]
	pub struct Info {
	id: usize,
	pid: i64,
	name: String,
	status: String,
	#[schema(value_type = String, example = "/path")]
	path: PathBuf,
	uptime: String,
	command: String,
	}

	#[derive(Serialize, ToSchema)]
	pub struct Stats {
	restarts: u64,
	start_time: i64,
	cpu_percent: Option<f32>,
	memory_usage: Option<MemoryInfo>,
	}

	#[derive(Serialize, ToSchema)]
	pub struct Log {
	out: String,
	error: String,
	}

	#[derive(Serialize, ToSchema)]
	pub struct Raw {
	running: bool,
	crashed: bool,
	crashes: u64,
	}

	#[derive(Serialize, ToSchema)]
	pub struct ProcessItem {
	pid: i64,
	id: usize,
	cpu: String,
	mem: String,
	name: String,
	restarts: u64,
	status: String,
	uptime: String,
	#[schema(example = "/path")]
	watch_path: String,
	#[schema(value_type = String, example = "2000-01-01T01:00:00.000Z")]
	start_time: DateTime<Utc>,
	}

	#[derive(Clone, Debug, Deserialize, Serialize)]
	pub struct Process {
	pub id: usize,
	pub pid: i64,
	pub name: String,
	pub path: PathBuf,
	pub script: String,
	pub env: HashMap<String, String>,
	#[serde(with = "ts_milliseconds")]
	pub started: DateTime<Utc>,
	pub restarts: u64,
	pub running: bool,
	pub crash: Crash,
	pub watch: Watch,
	}

	#[derive(Clone, Debug, Deserialize, Serialize)]
	pub struct Crash {
	pub crashed: bool,
	pub value: u64,
	}

	#[derive(Clone, Debug, Deserialize, Serialize, ToSchema)]
	pub struct Watch {
	pub enabled: bool,
	#[schema(example = "/path")]
	pub path: String,
	pub hash: String,
	}

	#[derive(Clone, Debug, Deserialize, Serialize)]
	pub struct Runner {
	pub id: id::Id,
	pub list: BTreeMap<usize, Process>,
	}

	pub enum Status {
	Offline,
	Running,
	}

	impl Status {
	pub fn to_bool(&self) -> bool {
	match self {
	Status::Offline => false,
	Status::Running => true,
	}
	}
	}

	impl Runner {
	pub fn new() -> Self { dump::read() }

	pub fn start(&mut self, name: &String, command: &String, watch: &Option<String>) -> &mut Self {
	let id = self.id.next();
	let config = config::read().runner;
	let crash = Crash { crashed: false, value: 0 };

	let watch = match watch {
	Some(watch) => Watch {
	enabled: true,
	path: string!(watch),
	hash: hash::create(file::cwd().join(watch)),
	},
	None => {
	Watch {
	enabled: false,
	path: string!(""),
	hash: string!(""),
	}
	}
	};

	let pid = run(ProcessMetadata {
	args: config.args,
	name: name.clone(),
	shell: config.shell,
	command: command.clone(),
	log_path: config.log_path,
	});

	self.list.insert(
	id,
	Process {
	id,
	pid,
	watch,
	crash,
	restarts: 0,
	running: true,
	path: file::cwd(),
	name: name.clone(),
	started: Utc::now(),
	script: command.clone(),
	env: env::vars().collect(),
	},
	);

	return self;
	}

	pub fn restart(&mut self, id: usize, dead: bool) -> &mut Self {
	let item = self.get(id);
	let Process { path, script, name, .. } = item.clone();

	if let Err(err) = std::env::set_current_dir(&item.path) {
	crashln!("{} Failed to set working directory {:?}\nError: {:#?}", *helpers::FAIL, path, err);
	};

	item.stop();

	let config = config::read().runner;

	item.crash.crashed = false;
	item.pid = run(ProcessMetadata {
	command: script,
	args: config.args,
	name: name.clone(),
	shell: config.shell,
	log_path: config.log_path,
	});

	item.running = true;
	item.started = Utc::now();
	then!(dead, item.restarts += 1);

	return self;
	}

	pub fn remove(&mut self, id: usize) {
	self.stop(id);
	self.list.remove(&id);
	dump::write(&self);
	}

	pub fn set_id(&mut self, id: id::Id) {
	self.id = id;
	self.id.next();
	dump::write(&self);
	}

	pub fn set_status(&mut self, id: usize, status: Status) {
	self.get(id).running = status.to_bool();
	dump::write(&self);
	}

	pub fn save(&self) { dump::write(&self); }
	pub fn count(&mut self) -> usize { self.list().count() }
	pub fn is_empty(&self) -> bool { self.list.is_empty() }
	pub fn items(&mut self) -> &mut BTreeMap<usize, Process> { &mut self.list }
	pub fn exists(&mut self, id: usize) -> bool { self.list.contains_key(&id) }
	pub fn info(&mut self, id: usize) -> Option<&Process> { self.list.get(&id) }
	pub fn list<'a>(&'a mut self) -> impl Iterator<Item = (&'a usize, &'a mut Process)> { self.list.iter_mut().map(\|(k, v)\| (k, v)) }
	pub fn get(&mut self, id: usize) -> &mut Process { self.list.get_mut(&id).unwrap_or_else(\|\| crashln!("{} Process ({id}) not found", *helpers::FAIL)) }

	pub fn set_crashed(&mut self, id: usize) -> &mut Self {
	self.get(id).crash.crashed = true;
	return self;
	}

	pub fn new_crash(&mut self, id: usize) -> &mut Self {
	self.get(id).crash.value += 1;
	return self;
	}

	pub fn stop(&mut self, id: usize) -> &mut Self {
	let item = self.get(id);
	stop(item.pid);

	item.running = false;
	item.crash.crashed = false;
	item.crash.value = 0;

	return self;
	}

	pub fn rename(&mut self, id: usize, name: String) -> &mut Self {
	self.get(id).name = name;
	return self;
	}

	pub fn watch(&mut self, id: usize, path: &str, enabled: bool) -> &mut Self {
	let item = self.get(id);
	item.watch = Watch {
	enabled,
	path: string!(path),
	hash: ternary!(enabled, hash::create(item.path.join(path)), string!("")),
	};

	return self;
	}

	pub fn json(&mut self) -> Value {
	let mut processes: Vec<ProcessItem> = Vec::new();

	for (id, item) in self.items() {
	let mut memory_usage: Option<MemoryInfo> = None;
	let mut cpu_percent: Option<f32> = None;

	if let Ok(mut process) = process::Process::new(item.pid as u32) {
	memory_usage = process.memory_info().ok();
	cpu_percent = process.cpu_percent().ok();
	}

	let cpu_percent = match cpu_percent {
	Some(percent) => format!("{:.2}%", percent),
	None => string!("0.00%"),
	};

	let memory_usage = match memory_usage {
	Some(usage) => helpers::format_memory(usage.rss()),
	None => string!("0b"),
	};

	let status =
	if item.running {
	string!("online")
	} else {
	match item.crash.crashed {
	true => string!("crashed"),
	false => string!("stopped"),
	}
	};

	processes.push(ProcessItem {
	status,
	id: *id,
	pid: item.pid,
	cpu: cpu_percent,
	mem: memory_usage,
	restarts: item.restarts,
	name: item.name.clone(),
	start_time: item.started,
	watch_path: item.watch.path.clone(),
	uptime: helpers::format_duration(item.started),
	});
	}

	json!(processes)
	}
	}

	impl Process {
	pub fn stop(&mut self) { Runner::new().stop(self.id).save(); }
	pub fn watch(&mut self, path: &str) { Runner::new().watch(self.id, path, true).save(); }
	pub fn disable_watch(&mut self) { Runner::new().watch(self.id, "", false).save(); }
	pub fn rename(&mut self, name: String) { Runner::new().rename(self.id, name).save(); }
	pub fn restart(&mut self) { Runner::new().restart(self.id, false).save(); }

	pub fn crashed(&mut self) -> &mut Process {
	Runner::new().new_crash(self.id).save();
	Runner::new().restart(self.id, true).save();
	return self;
	}

	pub fn json(&mut self) -> Value {
	let config = config::read().runner;

	let mut memory_usage: Option<MemoryInfo> = None;
	let mut cpu_percent: Option<f32> = None;

	if let Ok(mut process) = process::Process::new(self.pid as u32) {
	memory_usage = process.memory_info().ok();
	cpu_percent = process.cpu_percent().ok();
	}

	let status = if self.running {
	string!("online")
	} else {
	match self.crash.crashed {
	true => string!("crashed"),
	false => string!("stopped"),
	}
	};

	json!(ItemSingle {
	info: Info {
	status,
	id: self.id,
	pid: self.pid,
	name: self.name.clone(),
	path: self.path.clone(),
	uptime: helpers::format_duration(self.started),
	command: format!("{} {} '{}'", config.shell, config.args.join(" "), self.script.clone()),
	},
	stats: Stats {
	cpu_percent,
	memory_usage,
	restarts: self.restarts,
	start_time: self.started.timestamp_millis(),
	},
	watch: Watch {
	enabled: self.watch.enabled,
	hash: self.watch.hash.clone(),
	path: self.watch.path.clone(),
	},
	log: Log {
	out: global!("pmc.logs.out", self.name.as_str()),
	error: global!("pmc.logs.error", self.name.as_str()),
	},
	raw: Raw {
	running: self.running,
	crashed: self.crash.crashed,
	crashes: self.crash.value,
	}
	})
	}
	}

	pub mod dump;
	pub mod hash;
	pub mod id;

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