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//! `proc list` - List processes
//!
//! Examples:
//! proc list # List all processes
//! proc list node # Filter by name
//! proc list --in # Processes in current directory
//! proc list --in /project # Processes in /project
//! proc list --min-cpu 10 # Processes using >10% CPU
use crate::core::{resolve_in_dir, sort_processes, Process, ProcessStatus, SortKey};
use crate::error::Result;
use crate::ui::Printer;
use clap::Args;
use std::path::PathBuf;
/// List processes
#[derive(Args, Debug)]
pub struct ListCommand {
/// Process name or pattern to filter by
pub name: Option<String>,
/// Filter by directory (defaults to current directory if no path given)
#[arg(long = "in", short = 'i', num_args = 0..=1, default_missing_value = ".")]
pub in_dir: Option<String>,
/// Filter by executable path
#[arg(long, short = 'p')]
pub path: Option<String>,
/// Only show processes using more than this CPU %
#[arg(long)]
pub min_cpu: Option<f32>,
/// Only show processes using more than this memory (MB)
#[arg(long)]
pub min_mem: Option<f64>,
/// Filter by status: running, sleeping, stopped, zombie
#[arg(long)]
pub status: Option<String>,
/// Only show processes running longer than this (seconds)
#[arg(long)]
pub min_uptime: Option<u64>,
/// Only show children of this parent PID
#[arg(long)]
pub parent: Option<u32>,
/// Output as JSON
#[arg(long, short = 'j')]
pub json: bool,
/// Show verbose output with command line, cwd, and parent PID
#[arg(long, short = 'v')]
pub verbose: bool,
/// Limit the number of results
#[arg(long, short = 'n')]
pub limit: Option<usize>,
/// Sort by: cpu, mem, pid, name
#[arg(long, short = 's', value_enum, default_value_t = SortKey::Cpu)]
pub sort: SortKey,
}
impl ListCommand {
/// Executes the list command, displaying processes matching the filters.
pub fn execute(&self) -> Result<()> {
let printer = Printer::from_flags(self.json, self.verbose);
// Get base process list (supports comma-separated names)
let mut processes = if let Some(ref name) = self.name {
let names: Vec<String> = name
.split(',')
.map(|s| s.trim().to_string())
.filter(|s| !s.is_empty())
.collect();
let mut all = Vec::new();
let mut seen = std::collections::HashSet::new();
for n in &names {
if let Ok(found) = Process::find_by_name(n) {
for p in found {
if seen.insert(p.pid) {
all.push(p);
}
}
}
}
all
} else {
Process::find_all()?
};
// Resolve --in filter path
let in_dir_filter = resolve_in_dir(&self.in_dir);
// Resolve path filter
let path_filter: Option<PathBuf> = self.path.as_ref().map(|p| {
let path = PathBuf::from(p);
if path.is_relative() {
std::env::current_dir()
.unwrap_or_else(|_| PathBuf::from("."))
.join(path)
} else {
path
}
});
// Apply filters
processes.retain(|p| {
// Directory filter (--in)
if let Some(ref dir_path) = in_dir_filter {
if let Some(ref proc_cwd) = p.cwd {
let proc_path = PathBuf::from(proc_cwd);
if !proc_path.starts_with(dir_path) {
return false;
}
} else {
return false;
}
}
// Path filter (executable path)
if let Some(ref exe_path) = path_filter {
if let Some(ref proc_exe) = p.exe_path {
let proc_path = PathBuf::from(proc_exe);
if !proc_path.starts_with(exe_path) {
return false;
}
} else {
return false;
}
}
// CPU filter
if let Some(min_cpu) = self.min_cpu {
if p.cpu_percent < min_cpu {
return false;
}
}
// Memory filter
if let Some(min_mem) = self.min_mem {
if p.memory_mb < min_mem {
return false;
}
}
// Status filter
if let Some(ref status) = self.status {
let status_match = match status.to_lowercase().as_str() {
"running" => matches!(p.status, ProcessStatus::Running),
"sleeping" | "sleep" => matches!(p.status, ProcessStatus::Sleeping),
"stopped" | "stop" => matches!(p.status, ProcessStatus::Stopped),
"zombie" => matches!(p.status, ProcessStatus::Zombie),
_ => true,
};
if !status_match {
return false;
}
}
// Uptime filter
if let Some(min_uptime) = self.min_uptime {
if let Some(start_time) = p.start_time {
let now = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.map(|d| d.as_secs())
.unwrap_or(0);
if now.saturating_sub(start_time) < min_uptime {
return false;
}
} else {
return false;
}
}
// Parent PID filter
if let Some(ppid) = self.parent {
if p.parent_pid != Some(ppid) {
return false;
}
}
true
});
// Sort processes
sort_processes(&mut processes, self.sort);
// Apply limit if specified
if let Some(limit) = self.limit {
processes.truncate(limit);
}
// Build context string for output (e.g., "in /path/to/dir")
let context = in_dir_filter
.as_ref()
.map(|p| format!("in {}", p.display()));
printer.print_processes_with_context(&processes, context.as_deref());
Ok(())
}
}