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//! Process data collection for Windows. Uses sysinfo.
use super::ProcessHarvest;
use sysinfo::{ProcessExt, ProcessorExt, System, SystemExt};
pub fn get_process_data(
sys: &System, use_current_cpu_total: bool, mem_total_kb: u64,
) -> crate::utils::error::Result<Vec<ProcessHarvest>> {
let mut process_vector: Vec<ProcessHarvest> = Vec::new();
let process_hashmap = sys.get_processes();
let cpu_usage = sys.get_global_processor_info().get_cpu_usage() as f64 / 100.0;
let num_processors = sys.get_processors().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 p = process_val.cpu_usage() as f64 / num_processors;
if p.is_nan() {
process_val.cpu_usage() as f64
} else {
p
}
};
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();
process_vector.push(ProcessHarvest {
pid: process_val.pid(),
parent_pid: process_val.parent(),
name,
command,
mem_usage_percent: if mem_total_kb > 0 {
process_val.memory() as f64 * 100.0 / mem_total_kb as f64
} else {
0.0
},
mem_usage_bytes: process_val.memory() * 1024,
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: process_val.status().to_string(),
process_state_char: 'R',
});
}
Ok(process_vector)
}
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