//
// Sysinfo
//
// Copyright (c) 2017 Guillaume Gomez
//
use sys::{Component, Disk, Networks, Process, Processor};
use DiskType;
use DiskUsage;
use LoadAvg;
use NetworksIter;
use Pid;
use ProcessStatus;
use RefreshKind;
use User;
use std::collections::HashMap;
use std::ffi::OsStr;
use std::fmt::Debug;
use std::path::Path;
/// Contains all the methods of the [`Disk`][crate::Disk] struct.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{:?}: {:?}", disk.get_name(), disk.get_type());
/// }
/// ```
pub trait DiskExt: Debug {
/// Returns the disk type.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{:?}", disk.get_type());
/// }
/// ```
fn get_type(&self) -> DiskType;
/// Returns the disk name.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{:?}", disk.get_name());
/// }
/// ```
fn get_name(&self) -> &OsStr;
/// Returns the file system used on this disk (so for example: `EXT4`, `NTFS`, etc...).
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{:?}", disk.get_file_system());
/// }
/// ```
fn get_file_system(&self) -> &[u8];
/// Returns the mount point of the disk (`/` for example).
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{:?}", disk.get_mount_point());
/// }
/// ```
fn get_mount_point(&self) -> &Path;
/// Returns the total disk size, in bytes.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{}", disk.get_total_space());
/// }
/// ```
fn get_total_space(&self) -> u64;
/// Returns the available disk size, in bytes.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new();
/// for disk in s.get_disks() {
/// println!("{}", disk.get_available_space());
/// }
/// ```
fn get_available_space(&self) -> u64;
/// Updates the disk' information.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// for disk in s.get_disks_mut() {
/// disk.refresh();
/// }
/// ```
fn refresh(&mut self) -> bool;
}
/// Contains all the methods of the [`Process`][crate::Process] struct.
pub trait ProcessExt: Debug {
/// Creates a new process only containing the given information.
///
/// On windows, the `start_time` argument is ignored.
#[doc(hidden)]
fn new(pid: Pid, parent: Option<Pid>, start_time: u64) -> Self;
/// Sends the given `signal` to the process.
///
/// ```no_run
/// use sysinfo::{ProcessExt, Signal, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// process.kill(Signal::Kill);
/// }
/// ```
fn kill(&self, signal: ::Signal) -> bool;
/// Returns the name of the process.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.name());
/// }
/// ```
fn name(&self) -> &str;
/// Returns the command line.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{:?}", process.cmd());
/// }
/// ```
fn cmd(&self) -> &[String];
/// Returns the path to the process.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.exe().display());
/// }
/// ```
fn exe(&self) -> &Path;
/// Returns the pid of the process.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.pid());
/// }
/// ```
fn pid(&self) -> Pid;
/// Returns the environment of the process.
///
/// Always empty on Windows, except for current process.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{:?}", process.environ());
/// }
/// ```
fn environ(&self) -> &[String];
/// Returns the current working directory.
///
/// Always empty on Windows.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.cwd().display());
/// }
/// ```
fn cwd(&self) -> &Path;
/// Returns the path of the root directory.
///
/// Always empty on Windows.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.root().display());
/// }
/// ```
fn root(&self) -> &Path;
/// Returns the memory usage (in kB).
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{} kB", process.memory());
/// }
/// ```
fn memory(&self) -> u64;
/// Returns the virtual memory usage (in kB).
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{} kB", process.virtual_memory());
/// }
/// ```
fn virtual_memory(&self) -> u64;
/// Returns the parent pid.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{:?}", process.parent());
/// }
/// ```
fn parent(&self) -> Option<Pid>;
/// Returns the status of the processus.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{:?}", process.status());
/// }
/// ```
fn status(&self) -> ProcessStatus;
/// Returns the time of process launch (in seconds).
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("Running since {} seconds", process.start_time());
/// }
/// ```
fn start_time(&self) -> u64;
/// Returns the total CPU usage (in %).
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}%", process.cpu_usage());
/// }
/// ```
fn cpu_usage(&self) -> f32;
/// Returns number of bytes read and written to disk.
///
/// /!\\ On Windows, this method actually returns **ALL** I/O read and written bytes.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new();
/// if let Some(process) = s.get_process(1337) {
/// let disk_usage = process.disk_usage();
/// println!("read bytes : new/total => {}/{}",
/// disk_usage.read_bytes,
/// disk_usage.total_read_bytes,
/// );
/// println!("written bytes: new/total => {}/{}",
/// disk_usage.written_bytes,
/// disk_usage.total_written_bytes,
/// );
/// }
/// ```
fn disk_usage(&self) -> DiskUsage;
}
/// Contains all the methods of the [`Processor`][crate::Processor] struct.
pub trait ProcessorExt: Debug {
/// Returns this processor's usage.
///
/// Note: You'll need to refresh it at least twice (diff between the first and the second is
/// how CPU usage is computed) at first if you want to have a non-zero value.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}%", processor.get_cpu_usage());
/// }
/// ```
fn get_cpu_usage(&self) -> f32;
/// Returns this processor's name.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}", processor.get_name());
/// }
/// ```
fn get_name(&self) -> &str;
/// Returns the processor's vendor id.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}", processor.get_vendor_id());
/// }
/// ```
fn get_vendor_id(&self) -> &str;
/// Returns the processor's brand.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}", processor.get_brand());
/// }
/// ```
fn get_brand(&self) -> &str;
/// Returns the processor's frequency.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}", processor.get_frequency());
/// }
/// ```
fn get_frequency(&self) -> u64;
}
/// Contains all the methods of the [`System`][crate::System] type.
pub trait SystemExt: Sized + Debug + Default {
/// Creates a new [`System`] instance with nothing loaded except the processors list. If you
/// want to load components, network interfaces or the disks, you'll have to use the
/// `refresh_*_list` methods. [`SystemExt::refresh_networks_list`] for example.
///
/// Use the [`refresh_all`] method to update its internal information (or any of the `refresh_`
/// method).
///
/// [`System`]: crate::System
/// [`refresh_all`]: #method.refresh_all
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new();
/// ```
fn new() -> Self {
Self::new_with_specifics(RefreshKind::new())
}
/// Creates a new [`System`] instance with everything loaded.
///
/// It is an equivalent of [`SystemExt::new_with_specifics`]`(`[`RefreshKind::everything`]`())`.
///
/// [`System`]: crate::System
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// ```
fn new_all() -> Self {
Self::new_with_specifics(RefreshKind::everything())
}
/// Creates a new [`System`] instance and refresh the data corresponding to the
/// given [`RefreshKind`].
///
/// [`System`]: crate::System
///
/// ```
/// use sysinfo::{RefreshKind, System, SystemExt};
///
/// // We want everything except disks.
/// let mut system = System::new_with_specifics(RefreshKind::everything().without_disks_list());
///
/// assert_eq!(system.get_disks().len(), 0);
/// assert!(system.get_processes().len() > 0);
///
/// // If you want the disks list afterwards, just call the corresponding
/// // "refresh_disks_list":
/// system.refresh_disks_list();
/// let disks = system.get_disks();
/// ```
fn new_with_specifics(refreshes: RefreshKind) -> Self;
/// Refreshes according to the given [`RefreshKind`]. It calls the corresponding
/// "refresh_" methods.
///
/// ```
/// use sysinfo::{RefreshKind, System, SystemExt};
///
/// let mut s = System::new_all();
///
/// // Let's just update networks and processes:
/// s.refresh_specifics(RefreshKind::new().with_networks().with_processes());
/// ```
fn refresh_specifics(&mut self, refreshes: RefreshKind) {
if refreshes.memory() {
self.refresh_memory();
}
if refreshes.cpu() {
self.refresh_cpu();
}
if refreshes.components_list() {
self.refresh_components_list();
} else if refreshes.components() {
self.refresh_components();
}
if refreshes.networks_list() {
self.refresh_networks_list();
} else if refreshes.networks() {
self.refresh_networks();
}
if refreshes.processes() {
self.refresh_processes();
}
if refreshes.disks_list() {
self.refresh_disks_list();
} else if refreshes.disks() {
self.refresh_disks();
}
if refreshes.users_list() {
self.refresh_users_list();
}
}
/// Refreshes system information (RAM, swap, CPU usage and components' temperature).
///
/// If you want some more specific refreshes, you might be interested into looking at
/// [`refresh_memory`], [`refresh_cpu`] and [`refresh_components`].
///
/// [`refresh_memory`]: SystemExt::refresh_memory
/// [`refresh_cpu`]: SystemExt::refresh_memory
/// [`refresh_components`]: SystemExt::refresh_components
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_system();
/// ```
fn refresh_system(&mut self) {
self.refresh_memory();
self.refresh_cpu();
self.refresh_components();
}
/// Refreshes RAM and SWAP usage.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_memory();
/// ```
fn refresh_memory(&mut self);
/// Refreshes CPU usage.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_cpu();
/// ```
fn refresh_cpu(&mut self);
/// Refreshes components' temperature.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_components();
/// ```
fn refresh_components(&mut self) {
for component in self.get_components_mut() {
component.refresh();
}
}
/// Refreshes components list.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new();
/// s.refresh_components_list();
/// ```
fn refresh_components_list(&mut self);
/// Gets all processes and updates their information.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_processes();
/// ```
fn refresh_processes(&mut self);
/// Refreshes *only* the process corresponding to `pid`. Returns `false` if the process doesn't
/// exist. If it isn't listed yet, it'll be added.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_process(1337);
/// ```
fn refresh_process(&mut self, pid: Pid) -> bool;
/// Refreshes the listed disks' information.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_disks();
/// ```
fn refresh_disks(&mut self) {
for disk in self.get_disks_mut() {
disk.refresh();
}
}
/// The disk list will be emptied then completely recomputed.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_disks_list();
/// ```
fn refresh_disks_list(&mut self);
/// Refreshes users list.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_users_list();
/// ```
fn refresh_users_list(&mut self);
/// Refreshes networks data.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_networks();
/// ```
///
/// It is a shortcut for:
///
/// ```no_run
/// use sysinfo::{NetworksExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// let networks = s.get_networks_mut();
/// networks.refresh();
/// ```
fn refresh_networks(&mut self) {
self.get_networks_mut().refresh();
}
/// The network list will be updated: removing not existing anymore interfaces and adding new
/// ones.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_networks_list();
/// ```
///
/// This is a shortcut for:
///
/// ```no_run
/// use sysinfo::{NetworksExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// let networks = s.get_networks_mut();
/// networks.refresh_networks_list();
/// ```
fn refresh_networks_list(&mut self) {
self.get_networks_mut().refresh_networks_list();
}
/// Refreshes all system, processes, disks and network interfaces information.
///
/// Please note that it doesn't recompute disks list, components list, network interfaces
/// list nor users list.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let mut s = System::new_all();
/// s.refresh_all();
/// ```
fn refresh_all(&mut self) {
self.refresh_system();
self.refresh_processes();
self.refresh_disks();
self.refresh_networks();
}
/// Returns the process list.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new_all();
/// for (pid, process) in s.get_processes() {
/// println!("{} {}", pid, process.name());
/// }
/// ```
fn get_processes(&self) -> &HashMap<Pid, Process>;
/// Returns the process corresponding to the given pid or `None` if no such process exists.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new_all();
/// if let Some(process) = s.get_process(1337) {
/// println!("{}", process.name());
/// }
/// ```
fn get_process(&self, pid: Pid) -> Option<&Process>;
/// Returns a list of process containing the given `name`.
///
/// ```no_run
/// use sysinfo::{ProcessExt, System, SystemExt};
///
/// let s = System::new_all();
/// for process in s.get_process_by_name("htop") {
/// println!("{} {}", process.pid(), process.name());
/// }
/// ```
fn get_process_by_name(&self, name: &str) -> Vec<&Process> {
let mut ret = vec![];
for val in self.get_processes().values() {
if val.name().contains(name) {
ret.push(val);
}
}
ret
}
/// Returns "global" processors information (aka the addition of all the processors).
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// println!("{}%", s.get_global_processor_info().get_cpu_usage());
/// ```
fn get_global_processor_info(&self) -> &Processor;
/// Returns the list of the processors.
///
/// ```no_run
/// use sysinfo::{ProcessorExt, System, SystemExt};
///
/// let s = System::new();
/// for processor in s.get_processors() {
/// println!("{}%", processor.get_cpu_usage());
/// }
/// ```
fn get_processors(&self) -> &[Processor];
/// Returns the RAM size in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_total_memory());
/// ```
fn get_total_memory(&self) -> u64;
/// Returns the amount of free RAM in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_free_memory());
/// ```
fn get_free_memory(&self) -> u64;
/// Returns the amound of used RAM in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_used_memory());
/// ```
fn get_used_memory(&self) -> u64;
/// Returns the SWAP size in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_total_swap());
/// ```
fn get_total_swap(&self) -> u64;
/// Returns the amount of free SWAP in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_free_swap());
/// ```
fn get_free_swap(&self) -> u64;
/// Returns the amount of used SWAP in kB.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("{} kB", s.get_used_swap());
/// ```
fn get_used_swap(&self) -> u64;
/// Returns the components list.
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let s = System::new_all();
/// for component in s.get_components() {
/// println!("{}: {}°C", component.get_label(), component.get_temperature());
/// }
/// ```
fn get_components(&self) -> &[Component];
/// Returns a mutable components list.
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// for component in s.get_components_mut() {
/// component.refresh();
/// }
/// ```
fn get_components_mut(&mut self) -> &mut [Component];
/// Returns the disks list.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let s = System::new_all();
/// for disk in s.get_disks() {
/// println!("{:?}", disk.get_name());
/// }
/// ```
fn get_disks(&self) -> &[Disk];
/// Returns the users list.
///
/// ```no_run
/// use sysinfo::{System, SystemExt, UserExt};
///
/// let mut s = System::new_all();
/// for user in s.get_users() {
/// println!("{} is in {} groups", user.get_name(), user.get_groups().len());
/// }
/// ```
fn get_users(&self) -> &[User];
/// Returns the disks list.
///
/// ```no_run
/// use sysinfo::{DiskExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// for disk in s.get_disks_mut() {
/// disk.refresh();
/// }
/// ```
fn get_disks_mut(&mut self) -> &mut [Disk];
/// Returns the network interfaces object.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, data) in networks {
/// println!("[{}] in: {}, out: {}", interface_name, data.get_received(), data.get_transmitted());
/// }
/// ```
fn get_networks(&self) -> &Networks;
/// Returns a mutable access to network interfaces.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// let networks = s.get_networks_mut();
/// networks.refresh_networks_list();
/// ```
fn get_networks_mut(&mut self) -> &mut Networks;
/// Returns system uptime (in seconds).
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// println!("System running since {} seconds", s.get_uptime());
/// ```
fn get_uptime(&self) -> u64;
/// Returns the time (in seconds) when the system booted since UNIX epoch.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new();
/// println!("System booted at {} seconds", s.get_boot_time());
/// ```
fn get_boot_time(&self) -> u64;
/// Returns the system load average value.
///
/// ```no_run
/// use sysinfo::{System, SystemExt};
///
/// let s = System::new_all();
/// let load_avg = s.get_load_average();
/// println!(
/// "one minute: {}%, five minutes: {}%, fifteen minutes: {}%",
/// load_avg.one,
/// load_avg.five,
/// load_avg.fifteen,
/// );
/// ```
fn get_load_average(&self) -> LoadAvg;
}
/// Getting volume of received and transmitted data.
pub trait NetworkExt: Debug {
/// Returns the number of received bytes since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {} B", network.get_received());
/// }
/// ```
fn get_received(&self) -> u64;
/// Returns the total number of received bytes.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {} B", network.get_total_received());
/// }
/// ```
fn get_total_received(&self) -> u64;
/// Returns the number of transmitted bytes since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {} B", network.get_transmitted());
/// }
/// ```
fn get_transmitted(&self) -> u64;
/// Returns the total number of transmitted bytes.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {} B", network.get_total_transmitted());
/// }
/// ```
fn get_total_transmitted(&self) -> u64;
/// Returns the number of incoming packets since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {}", network.get_packets_received());
/// }
/// ```
fn get_packets_received(&self) -> u64;
/// Returns the total number of incoming packets.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {}", network.get_total_packets_received());
/// }
/// ```
fn get_total_packets_received(&self) -> u64;
/// Returns the number of outcoming packets since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {}", network.get_packets_transmitted());
/// }
/// ```
fn get_packets_transmitted(&self) -> u64;
/// Returns the total number of outcoming packets.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {}", network.get_total_packets_transmitted());
/// }
/// ```
fn get_total_packets_transmitted(&self) -> u64;
/// Returns the number of incoming errors since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {}", network.get_errors_on_received());
/// }
/// ```
fn get_errors_on_received(&self) -> u64;
/// Returns the total number of incoming errors.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {}", network.get_total_errors_on_received());
/// }
/// ```
fn get_total_errors_on_received(&self) -> u64;
/// Returns the number of outcoming errors since the last refresh.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {}", network.get_errors_on_transmitted());
/// }
/// ```
fn get_errors_on_transmitted(&self) -> u64;
/// Returns the total number of outcoming errors.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("out: {}", network.get_total_errors_on_transmitted());
/// }
/// ```
fn get_total_errors_on_transmitted(&self) -> u64;
}
/// Interacting with network interfaces.
pub trait NetworksExt: Debug {
/// Returns an iterator over the network interfaces.
///
/// ```no_run
/// use sysinfo::{NetworkExt, NetworksExt, System, SystemExt};
///
/// let s = System::new_all();
/// let networks = s.get_networks();
/// for (interface_name, network) in networks {
/// println!("in: {} B", network.get_received());
/// }
/// ```
fn iter(&self) -> NetworksIter;
/// Refreshes the network interfaces list.
///
/// ```no_run
/// use sysinfo::{NetworksExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// let networks = s.get_networks_mut();
/// networks.refresh_networks_list();
/// ```
fn refresh_networks_list(&mut self);
/// Refreshes the network interfaces' content.
///
/// ```no_run
/// use sysinfo::{NetworksExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// let networks = s.get_networks_mut();
/// networks.refresh();
/// ```
fn refresh(&mut self);
}
/// Getting a component temperature information.
pub trait ComponentExt: Debug {
/// Returns the temperature of the component (in celsius degree).
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let s = System::new_all();
/// for component in s.get_components() {
/// println!("{}°C", component.get_temperature());
/// }
/// ```
fn get_temperature(&self) -> f32;
/// Returns the maximum temperature of the component (in celsius degree).
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let s = System::new_all();
/// for component in s.get_components() {
/// println!("{}°C", component.get_max());
/// }
/// ```
fn get_max(&self) -> f32;
/// Returns the highest temperature before the component halts (in celsius degree).
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let s = System::new_all();
/// for component in s.get_components() {
/// println!("{:?}°C", component.get_critical());
/// }
/// ```
fn get_critical(&self) -> Option<f32>;
/// Returns the label of the component.
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let s = System::new_all();
/// for component in s.get_components() {
/// println!("{}", component.get_label());
/// }
/// ```
fn get_label(&self) -> &str;
/// Refreshes component.
///
/// ```no_run
/// use sysinfo::{ComponentExt, System, SystemExt};
///
/// let mut s = System::new_all();
/// for component in s.get_components_mut() {
/// component.refresh();
/// }
/// ```
fn refresh(&mut self);
}
/// Getting information for a user.
///
/// It is returned from [`SystemExt::get_users`].
///
/// ```no_run
/// use sysinfo::{System, SystemExt, UserExt};
///
/// let mut s = System::new_all();
/// for user in s.get_users() {
/// println!("{} is in {} groups", user.get_name(), user.get_groups().len());
/// }
/// ```
pub trait UserExt: Debug {
/// Returns the name of the user.
///
/// ```no_run
/// use sysinfo::{System, SystemExt, UserExt};
///
/// let mut s = System::new_all();
/// for user in s.get_users() {
/// println!("{}", user.get_name());
/// }
/// ```
fn get_name(&self) -> &str;
/// Returns the groups of the user.
///
/// ```no_run
/// use sysinfo::{System, SystemExt, UserExt};
///
/// let mut s = System::new_all();
/// for user in s.get_users() {
/// println!("{} is in {:?}", user.get_name(), user.get_groups());
/// }
/// ```
fn get_groups(&self) -> &[String];
}