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//! This is the main file to house data collection functions.
use crate::{constants, utils::error::Result};
use std::{collections::HashMap, time::Instant};
use sysinfo::{System, SystemExt};
pub mod cpu;
pub mod disks;
pub mod mem;
pub mod network;
pub mod processes;
pub mod temperature;
fn set_if_valid<T: std::clone::Clone>(result: &Result<T>, value_to_set: &mut T) {
if let Ok(result) = result {
*value_to_set = (*result).clone();
}
}
fn push_if_valid<T: std::clone::Clone>(result: &Result<T>, vector_to_push: &mut Vec<T>) {
if let Ok(result) = result {
vector_to_push.push(result.clone());
}
}
#[derive(Debug, Default, Clone)]
pub struct Data {
pub list_of_cpu_packages: Vec<cpu::CPUPackage>,
pub list_of_io: Vec<disks::IOPackage>,
pub list_of_physical_io: Vec<disks::IOPackage>,
pub memory: Vec<mem::MemData>,
pub swap: Vec<mem::MemData>,
pub list_of_temperature_sensor: Vec<temperature::TempData>,
pub network: Vec<network::NetworkData>,
pub list_of_processes: Vec<processes::ProcessData>, // Only need to keep a list of processes...
pub list_of_disks: Vec<disks::DiskData>, // Only need to keep a list of disks and their data
}
pub struct DataState {
pub data: Data,
first_run: bool,
sys: System,
stale_max_seconds: u64,
prev_pid_stats: HashMap<String, (f64, Instant)>,
prev_idle: f64,
prev_non_idle: f64,
prev_net_rx_bytes: u64,
prev_net_tx_bytes: u64,
prev_net_access_time: Instant,
temperature_type: temperature::TemperatureType,
last_clean: Instant, // Last time stale data was cleared
use_current_cpu_total: bool,
}
impl Default for DataState {
fn default() -> Self {
DataState {
data: Data::default(),
first_run: true,
sys: System::new(),
stale_max_seconds: constants::STALE_MAX_MILLISECONDS / 1000,
prev_pid_stats: HashMap::new(),
prev_idle: 0_f64,
prev_non_idle: 0_f64,
prev_net_rx_bytes: 0,
prev_net_tx_bytes: 0,
prev_net_access_time: Instant::now(),
temperature_type: temperature::TemperatureType::Celsius,
last_clean: Instant::now(),
use_current_cpu_total: false,
}
}
}
impl DataState {
pub fn set_temperature_type(&mut self, temperature_type: temperature::TemperatureType) {
self.temperature_type = temperature_type;
}
pub fn set_use_current_cpu_total(&mut self, use_current_cpu_total: bool) {
self.use_current_cpu_total = use_current_cpu_total;
}
pub fn init(&mut self) {
self.sys.refresh_all();
}
pub async fn update_data(&mut self) {
self.sys.refresh_system();
if !cfg!(target_os = "linux") {
// For now, might be just windows tbh
self.sys.refresh_processes();
self.sys.refresh_network();
}
// What we want to do: For timed data, if there is an error, just do not add. For other data, just don't update!
push_if_valid(
&network::get_network_data(
&self.sys,
&mut self.prev_net_rx_bytes,
&mut self.prev_net_tx_bytes,
&mut self.prev_net_access_time,
)
.await,
&mut self.data.network,
);
push_if_valid(&cpu::get_cpu_data_list(&self.sys), &mut self.data.list_of_cpu_packages);
push_if_valid(&mem::get_mem_data_list().await, &mut self.data.memory);
push_if_valid(&mem::get_swap_data_list().await, &mut self.data.swap);
set_if_valid(
&processes::get_sorted_processes_list(
&self.sys,
&mut self.prev_idle,
&mut self.prev_non_idle,
&mut self.prev_pid_stats,
self.use_current_cpu_total,
),
&mut self.data.list_of_processes,
);
set_if_valid(&disks::get_disk_usage_list().await, &mut self.data.list_of_disks);
push_if_valid(&disks::get_io_usage_list(false).await, &mut self.data.list_of_io);
set_if_valid(
&temperature::get_temperature_data(&self.sys, &self.temperature_type).await,
&mut self.data.list_of_temperature_sensor,
);
if self.first_run {
self.data = Data::default();
self.first_run = false;
}
// Filter out stale timed entries
let current_instant = std::time::Instant::now();
if current_instant.duration_since(self.last_clean).as_secs() > self.stale_max_seconds {
let stale_list: Vec<_> = self
.prev_pid_stats
.iter()
.filter(|&(_, &v)| current_instant.duration_since(v.1).as_secs() > self.stale_max_seconds)
.map(|(k, _)| k.clone())
.collect();
for stale in stale_list {
self.prev_pid_stats.remove(&stale);
}
self.data.list_of_cpu_packages = self
.data
.list_of_cpu_packages
.iter()
.cloned()
.filter(|entry| current_instant.duration_since(entry.instant).as_secs() <= self.stale_max_seconds)
.collect::<Vec<_>>();
self.data.memory = self
.data
.memory
.iter()
.cloned()
.filter(|entry| current_instant.duration_since(entry.instant).as_secs() <= self.stale_max_seconds)
.collect::<Vec<_>>();
self.data.swap = self
.data
.swap
.iter()
.cloned()
.filter(|entry| current_instant.duration_since(entry.instant).as_secs() <= self.stale_max_seconds)
.collect::<Vec<_>>();
self.data.network = self
.data
.network
.iter()
.cloned()
.filter(|entry| current_instant.duration_since(entry.instant).as_secs() <= self.stale_max_seconds)
.collect::<Vec<_>>();
self.data.list_of_io = self
.data
.list_of_io
.iter()
.cloned()
.filter(|entry| current_instant.duration_since(entry.instant).as_secs() <= self.stale_max_seconds)
.collect::<Vec<_>>();
self.last_clean = current_instant;
}
}
}
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