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// // Sysinfo // // Copyright (c) 2017 Guillaume Gomez // use sys::{Component, Disk, DiskType, NetworkData, Process, Processor}; use Pid; use ProcessStatus; use RefreshKind; use std::collections::HashMap; use std::ffi::OsStr; use std::path::Path; /// Contains all the methods of the `Disk` struct. pub trait DiskExt { /// Returns the disk type. fn get_type(&self) -> DiskType; /// Returns the disk name. fn get_name(&self) -> &OsStr; /// Returns the file system used on this disk (so for example: `EXT4`, `NTFS`, etc...). fn get_file_system(&self) -> &[u8]; /// Returns the mount point of the disk (`/` for example). fn get_mount_point(&self) -> &Path; /// Returns the total disk size, in bytes. fn get_total_space(&self) -> u64; /// Returns the available disk size, in bytes. fn get_available_space(&self) -> u64; /// Update the disk' information. fn update(&mut self) -> bool; } /// Contains all the methods of the `Process` struct. pub trait ProcessExt { /// Create a new process only containing the given information. /// /// On windows, the `start_time` argument is ignored. fn new(pid: Pid, parent: Option<Pid>, start_time: u64) -> Self; /// Sends the given `signal` to the process. fn kill(&self, signal: ::Signal) -> bool; /// Returns the name of the process. fn name(&self) -> &str; /// Returns the command line. // /// // /// On Windows, this is always a one element vector. fn cmd(&self) -> &[String]; /// Returns the path to the process. fn exe(&self) -> &Path; /// Returns the pid of the process. fn pid(&self) -> Pid; /// Returns the environment of the process. /// /// Always empty on Windows except for current process. fn environ(&self) -> &[String]; /// Returns the current working directory. /// /// Always empty on Windows. fn cwd(&self) -> &Path; /// Returns the path of the root directory. /// /// Always empty on Windows. fn root(&self) -> &Path; /// Returns the memory usage (in kB). fn memory(&self) -> u64; /// Returns the parent pid. fn parent(&self) -> Option<Pid>; /// Returns the status of the processus. fn status(&self) -> ProcessStatus; /// Returns the time of process launch (in seconds). fn start_time(&self) -> u64; /// Returns the total CPU usage. fn cpu_usage(&self) -> f32; } /// Contains all the methods of the `Processor` struct. pub trait ProcessorExt { /// Returns this processor's usage. /// /// Note: You'll need to refresh it at least twice at first if you want to have a /// non-zero value. fn get_cpu_usage(&self) -> f32; /// Returns this processor's name. fn get_name(&self) -> &str; } /// Contains all the methods of the [`System`] type. pub trait SystemExt: Sized { /// Creates a new [`System`] instance. It only contains the disks' list and the processes list /// at this stage. Use the [`refresh_all`] method to update its internal information (or any of /// the `refresh_` method). /// /// [`refresh_all`]: #method.refresh_all fn new() -> Self { let mut s = Self::new_with_specifics(RefreshKind::new()); s.refresh_disk_list(); s.refresh_all(); s } /// Creates a new [`System`] instance and refresh the data corresponding to the /// given [`RefreshKind`]. /// /// # Example /// /// ``` /// use sysinfo::{RefreshKind, System, SystemExt}; /// /// // We want everything except disks. /// let mut system = System::new_with_specifics(RefreshKind::everything().without_disk_list()); /// /// assert_eq!(system.get_disks().len(), 0); /// assert!(system.get_process_list().len() > 0); /// /// // If you want the disks list afterwards, just call the corresponding /// // "refresh_disk_list": /// system.refresh_disk_list(); /// assert!(system.get_disks().len() > 0); /// ``` fn new_with_specifics(refreshes: RefreshKind) -> Self; /// Refreshes according to the given [`RefreshKind`]. It calls the corresponding /// "refresh_" methods. /// /// # Examples /// /// ``` /// use sysinfo::{RefreshKind, System, SystemExt}; /// /// let mut s = System::new(); /// /// // Let's just update network data and processes: /// s.refresh_specifics(RefreshKind::new().with_network().with_processes()); /// ``` fn refresh_specifics(&mut self, refreshes: RefreshKind) { if refreshes.system() { self.refresh_system(); } if refreshes.network() { self.refresh_network(); } if refreshes.processes() { self.refresh_processes(); } if refreshes.disk_list() { self.refresh_disk_list(); } if refreshes.disks() { self.refresh_disks(); } } /// Refresh system information (such as memory, swap, CPU usage and components' temperature). fn refresh_system(&mut self); /// Get all processes and update their information. fn refresh_processes(&mut self); /// Refresh *only* the process corresponding to `pid`. Returns `false` if the process doesn't /// exist. fn refresh_process(&mut self, pid: Pid) -> bool; /// Refreshes the listed disks' information. fn refresh_disks(&mut self); /// The disk list will be emptied then completely recomputed. fn refresh_disk_list(&mut self); /// Refresh data network. fn refresh_network(&mut self); /// Refreshes all system, processes and disks information. fn refresh_all(&mut self) { self.refresh_system(); self.refresh_processes(); self.refresh_disks(); self.refresh_network(); } /// Returns the process list. fn get_process_list(&self) -> &HashMap<Pid, Process>; /// Returns the process corresponding to the given pid or `None` if no such process exists. fn get_process(&self, pid: Pid) -> Option<&Process>; /// Returns a list of process containing the given `name`. fn get_process_by_name(&self, name: &str) -> Vec<&Process> { let mut ret = vec!(); for val in self.get_process_list().values() { if val.name().contains(name) { ret.push(val); } } ret } /// The first processor in the array is the "main" one (aka the addition of all the others). fn get_processor_list(&self) -> &[Processor]; /// Returns total RAM size in KiB. fn get_total_memory(&self) -> u64; /// Returns free RAM size in KiB. fn get_free_memory(&self) -> u64; /// Returns used RAM size in KiB. fn get_used_memory(&self) -> u64; /// Returns SWAP size in KiB. fn get_total_swap(&self) -> u64; /// Returns free SWAP size in KiB. fn get_free_swap(&self) -> u64; /// Returns used SWAP size in KiB. fn get_used_swap(&self) -> u64; /// Returns components list. fn get_components_list(&self) -> &[Component]; /// Returns disks' list. fn get_disks(&self) -> &[Disk]; /// Returns network data. fn get_network(&self) -> &NetworkData; /// Returns system uptime. fn get_uptime(&self) -> u64; } /// Getting volume of incoming and outgoing data. pub trait NetworkExt { /// Returns the number of incoming bytes. fn get_income(&self) -> u64; /// Returns the number of outgoing bytes. fn get_outcome(&self) -> u64; } /// Getting a component temperature information. pub trait ComponentExt { /// Returns the component's temperature (in celsius degree). fn get_temperature(&self) -> f32; /// Returns the maximum temperature of this component. fn get_max(&self) -> f32; /// Returns the highest temperature before the computer halts. fn get_critical(&self) -> Option<f32>; /// Returns component's label. fn get_label(&self) -> &str; }