diff options
Diffstat (limited to 'src/app/data_harvester/processes/unix/process_ext.rs')
-rw-r--r-- | src/app/data_harvester/processes/unix/process_ext.rs | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/app/data_harvester/processes/unix/process_ext.rs b/src/app/data_harvester/processes/unix/process_ext.rs new file mode 100644 index 00000000..1048fd2d --- /dev/null +++ b/src/app/data_harvester/processes/unix/process_ext.rs @@ -0,0 +1,147 @@ +//! Shared process data harvesting code from macOS and FreeBSD via sysinfo. + +use std::io; +use std::time::Duration; + +use hashbrown::HashMap; +use sysinfo::{CpuExt, PidExt, ProcessExt, ProcessStatus, System, SystemExt}; + +use super::ProcessHarvest; +use crate::{data_harvester::processes::UserTable, utils::error, Pid}; + +pub(crate) trait UnixProcessExt { + fn sysinfo_process_data( + sys: &System, use_current_cpu_total: bool, unnormalized_cpu: bool, total_memory: u64, + user_table: &mut UserTable, + ) -> error::Result<Vec<ProcessHarvest>> { + let mut process_vector: Vec<ProcessHarvest> = Vec::new(); + let process_hashmap = sys.processes(); + let cpu_usage = sys.global_cpu_info().cpu_usage() as f64 / 100.0; + let num_processors = sys.cpus().len() as f64; + + for process_val in process_hashmap.values() { + let name = if process_val.name().is_empty() { + let process_cmd = process_val.cmd(); + if process_cmd.len() > 1 { + process_cmd[0].clone() + } else { + let process_exe = process_val.exe().file_stem(); + if let Some(exe) = process_exe { + let process_exe_opt = exe.to_str(); + if let Some(exe_name) = process_exe_opt { + exe_name.to_string() + } else { + "".to_string() + } + } else { + "".to_string() + } + } + } else { + process_val.name().to_string() + }; + let command = { + let command = process_val.cmd().join(" "); + if command.is_empty() { + name.to_string() + } else { + command + } + }; + + let pcu = { + let usage = process_val.cpu_usage() as f64; + if unnormalized_cpu || num_processors == 0.0 { + usage + } else { + usage / num_processors + } + }; + let process_cpu_usage = if use_current_cpu_total && cpu_usage > 0.0 { + pcu / cpu_usage + } else { + pcu + }; + + let disk_usage = process_val.disk_usage(); + let process_state = { + let ps = process_val.status(); + (ps.to_string(), convert_process_status_to_char(ps)) + }; + let uid = process_val.user_id().map(|u| **u); + let pid = process_val.pid().as_u32() as Pid; + process_vector.push(ProcessHarvest { + pid, + parent_pid: Self::parent_pid(process_val), + name, + command, + mem_usage_percent: if total_memory > 0 { + process_val.memory() as f64 * 100.0 / total_memory as f64 + } else { + 0.0 + }, + mem_usage_bytes: process_val.memory(), + cpu_usage_percent: process_cpu_usage, + read_bytes_per_sec: disk_usage.read_bytes, + write_bytes_per_sec: disk_usage.written_bytes, + total_read_bytes: disk_usage.total_read_bytes, + total_write_bytes: disk_usage.total_written_bytes, + process_state, + uid, + user: uid + .and_then(|uid| { + user_table + .get_uid_to_username_mapping(uid) + .map(Into::into) + .ok() + }) + .unwrap_or_else(|| "N/A".into()), + time: Duration::from_secs(process_val.run_time()), + }); + } + + if Self::has_backup_proc_cpu_fn() { + let unknown_state = ProcessStatus::Unknown(0).to_string(); + let cpu_usage_unknown_pids: Vec<Pid> = process_vector + .iter() + .filter(|process| process.process_state.0 == unknown_state) + .map(|process| process.pid) + .collect(); + let cpu_usages = Self::backup_proc_cpu(&cpu_usage_unknown_pids)?; + for process in &mut process_vector { + if cpu_usages.contains_key(&process.pid) { + process.cpu_usage_percent = if unnormalized_cpu || num_processors == 0.0 { + *cpu_usages.get(&process.pid).unwrap() + } else { + *cpu_usages.get(&process.pid).unwrap() / num_processors + }; + } + } + } + + Ok(process_vector) + } + + #[inline] + fn has_backup_proc_cpu_fn() -> bool { + false + } + + fn backup_proc_cpu(_pids: &[Pid]) -> io::Result<HashMap<Pid, f64>> { + Ok(HashMap::default()) + } + + fn parent_pid(process_val: &sysinfo::Process) -> Option<Pid> { + process_val.parent().map(|p| p.as_u32() as _) + } +} + +fn convert_process_status_to_char(status: ProcessStatus) -> char { + match status { + ProcessStatus::Run => 'R', + ProcessStatus::Sleep => 'S', + ProcessStatus::Idle => 'D', + ProcessStatus::Zombie => 'Z', + _ => '?', + } +} |