use std::io;
use std::net::IpAddr;
use clap::{CommandFactory, Parser};
use clap_complete::{Shell, generate};
pub fn print_cyberpunk_help() {
let v = env!("CARGO_PKG_VERSION");
print!("\
\x1b[36m ██╗███████╗████████╗ ██████╗ ██████╗ ██████╗ ███████╗\x1b[0m
\x1b[36m ██║██╔════╝╚══██╔══╝██╔═══██╗██╔══██╗██╔══██╗██╔════╝\x1b[0m
\x1b[35m ██║█████╗ ██║ ██║ ██║██████╔╝██████╔╝╚█████╗\x1b[0m
\x1b[35m ██║██╔══╝ ██║ ██║ ██║██╔═══╝ ██╔══██╗ ╚═══██╗\x1b[0m
\x1b[31m ██║██║ ██║ ╚██████╔╝██║ ██║ ██║██████╔╝\x1b[0m
\x1b[31m ╚═╝╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝╚═════╝\x1b[0m
\x1b[36m ┌──────────────────────────────────────────────────────┐\x1b[0m
\x1b[36m │\x1b[0m STATUS: \x1b[32mONLINE\x1b[0m // SIGNAL: \x1b[32m████████\x1b[31m░░\x1b[0m // \x1b[35mv{v}\x1b[0m \x1b[36m│\x1b[0m
\x1b[36m └──────────────────────────────────────────────────────┘\x1b[0m
\x1b[33m >> REAL-TIME BANDWIDTH MONITOR // PACKET SNIFFER <<\x1b[0m
Real-time bandwidth monitor (iftop clone in Rust)
\x1b[33m USAGE:\x1b[0m iftoprs [OPTIONS]
\x1b[36m ── CAPTURE ────────────────────────────────────────────\x1b[0m
-c, --config <FILE> \x1b[32m//\x1b[0m Path to config file (default: ~/.iftoprs.conf)
-i, --interface <INTERFACE> \x1b[32m//\x1b[0m Network interface to jack into
-f, --filter <FILTER> \x1b[32m//\x1b[0m BPF filter expression (e.g., \"tcp port 80\")
-F, --net-filter <NET_FILTER> \x1b[32m//\x1b[0m IPv4 network filter in CIDR (e.g., \"192.168.1.0/24\")
-n, --no-dns \x1b[32m//\x1b[0m Kill DNS hostname resolution
-N, --no-port-names \x1b[32m//\x1b[0m Kill port-to-service name resolution
-p, --promiscuous \x1b[32m//\x1b[0m Enable promiscuous mode ── sniff all traffic on segment
-b, --no-bars \x1b[32m//\x1b[0m Flatline the bar graph display
-B, --bytes \x1b[32m//\x1b[0m Display bandwidth in bytes instead of bits
-P, --hide-ports \x1b[32m//\x1b[0m Ghost the port numbers from host display
-Z, --no-processes \x1b[32m//\x1b[0m Hide owning process column (shown by default)
-l, --list-interfaces \x1b[32m//\x1b[0m Enumerate available interfaces and disconnect
--list-colors \x1b[32m//\x1b[0m Preview all 31 color themes
-h, --help Print help
-V, --version Print version
\x1b[36m ── KEYBINDS ───────────────────────────────────────────\x1b[0m
\x1b[33m h\x1b[0m ── help HUD \x1b[33mn\x1b[0m ── toggle DNS \x1b[33mb\x1b[0m ── bars
\x1b[33m B\x1b[0m ── bytes/bits \x1b[33mp\x1b[0m ── ports \x1b[33mZ\x1b[0m ── processes
\x1b[33m t\x1b[0m ── line mode \x1b[33mT\x1b[0m ── cumulative \x1b[33mP\x1b[0m ── pause
\x1b[33m x\x1b[0m ── border \x1b[33mc\x1b[0m ── themes \x1b[33m/\x1b[0m ── filter
\x1b[33m g\x1b[0m ── header bar \x1b[33mf\x1b[0m ── refresh rate
\x1b[33m 1/2/3\x1b[0m ── sort by 2s/10s/40s average
\x1b[33m < / >\x1b[0m ── sort by src/dst \x1b[33mo\x1b[0m ── freeze order
\x1b[33m j/k\x1b[0m ── scroll \x1b[33mq\x1b[0m ── disconnect
\x1b[36m ── SYSTEM ─────────────────────────────────────────\x1b[0m
\x1b[35m v{v}\x1b[0m // \x1b[33m(c) MenkeTechnologies\x1b[0m
\x1b[35m The packets flow through the wire like neon rain.\x1b[0m
\x1b[33m >>> JACK IN. SNIFF THE STREAM. OWN YOUR NETWORK. <<<\x1b[0m
\x1b[36m ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░\x1b[0m
");
}
#[derive(Parser, Debug, Clone)]
#[command(
name = "iftoprs",
version,
about = "Real-time bandwidth monitor (iftop clone in Rust)",
disable_help_flag = true,
disable_version_flag = true,
)]
pub struct Args {
#[arg(short = 'c', long = "config")]
pub config: Option<String>,
#[arg(short = 'i', long)]
pub interface: Option<String>,
#[arg(short = 'f', long)]
pub filter: Option<String>,
#[arg(short = 'F', long = "net-filter")]
pub net_filter: Option<String>,
#[arg(short = 'n', long = "no-dns")]
pub no_dns: bool,
#[arg(short = 'N', long = "no-port-names")]
pub no_port_names: bool,
#[arg(short = 'p', long)]
pub promiscuous: bool,
#[arg(short = 'b', long = "no-bars")]
pub no_bars: bool,
#[arg(short = 'B', long = "bytes")]
pub bytes: bool,
#[arg(short = 'P', long = "hide-ports")]
pub hide_ports: bool,
#[arg(short = 'Z', long = "no-processes")]
pub no_processes: bool,
#[arg(short = 'l', long = "list-interfaces")]
pub list_interfaces: bool,
#[arg(long = "list-colors")]
pub list_colors: bool,
#[arg(long = "completions", value_name = "SHELL")]
pub completions: Option<Shell>,
#[arg(short = 'h', long = "help")]
pub help: bool,
#[arg(short = 'V', long = "version")]
pub version: bool,
}
impl Args {
pub fn print_colors() {
use crate::config::theme::ThemeName;
const RST: &str = "\x1b[0m";
const B_CYAN: &str = "\x1b[1;36m";
const B_GREEN: &str = "\x1b[1;32m";
const B_MAGENTA: &str = "\x1b[1;35m";
const B_YELLOW: &str = "\x1b[1;33m";
println!("\n{B_CYAN} ── BUILTIN COLOR SCHEMES ────────────────────────{RST}\n");
for &name in ThemeName::ALL {
let swatch: String = crate::config::theme::Theme::swatch(name)
.iter()
.map(|(color, _)| {
let idx = match color {
ratatui::style::Color::Indexed(n) => *n,
_ => 0,
};
format!("\x1b[48;5;{idx}m {RST}")
})
.collect();
let flag: String = format!("{:?}", name).to_lowercase();
println!(
" {B_GREEN}{flag:<16}{RST} {B_MAGENTA}{name:<16}{RST} {swatch}",
name = name.display_name(),
);
}
println!("\n {B_YELLOW}Usage:{RST} iftoprs then press {B_GREEN}c{RST} for theme chooser");
println!(" {B_YELLOW}Cycle:{RST} press {B_GREEN}c{RST} in the TUI\n");
}
pub fn generate_completions(shell: Shell) {
let mut cmd = Args::command();
generate(shell, &mut cmd, "iftoprs", &mut io::stdout());
}
pub fn parse_net_filter(&self) -> Option<(IpAddr, u8)> {
let filter = self.net_filter.as_ref()?;
let parts: Vec<&str> = filter.split('/').collect();
if parts.len() != 2 {
eprintln!("Warning: invalid net filter '{}', expected CIDR notation", filter);
return None;
}
let addr: IpAddr = parts[0].parse().ok()?;
let prefix: u8 = parts[1].parse().ok()?;
Some((addr, prefix))
}
}
#[cfg(test)]
mod tests {
use super::*;
fn args_with_net_filter(filter: &str) -> Args {
Args {
config: None,
interface: None,
filter: None,
net_filter: Some(filter.to_string()),
no_dns: false,
no_port_names: false,
promiscuous: false,
no_bars: false,
bytes: false,
hide_ports: false,
no_processes: false,
list_interfaces: false,
list_colors: false,
completions: None,
help: false,
version: false,
}
}
#[test]
fn parse_valid_cidr_v4() {
let args = args_with_net_filter("192.168.1.0/24");
let (addr, prefix) = args.parse_net_filter().unwrap();
assert_eq!(addr, "192.168.1.0".parse::<IpAddr>().unwrap());
assert_eq!(prefix, 24);
}
#[test]
fn parse_valid_cidr_v4_slash8() {
let args = args_with_net_filter("10.0.0.0/8");
let (addr, prefix) = args.parse_net_filter().unwrap();
assert_eq!(addr, "10.0.0.0".parse::<IpAddr>().unwrap());
assert_eq!(prefix, 8);
}
#[test]
fn parse_invalid_cidr_no_slash() {
let args = args_with_net_filter("192.168.1.0");
assert!(args.parse_net_filter().is_none());
}
#[test]
fn parse_invalid_cidr_bad_ip() {
let args = args_with_net_filter("not.an.ip/24");
assert!(args.parse_net_filter().is_none());
}
#[test]
fn parse_invalid_cidr_bad_prefix() {
let args = args_with_net_filter("10.0.0.0/abc");
assert!(args.parse_net_filter().is_none());
}
#[test]
fn parse_no_net_filter() {
let args = Args {
config: None,
interface: None,
filter: None,
net_filter: None,
no_dns: false,
no_port_names: false,
promiscuous: false,
no_bars: false,
bytes: false,
hide_ports: false,
no_processes: false,
list_interfaces: false,
list_colors: false,
completions: None,
help: false,
version: false,
};
assert!(args.parse_net_filter().is_none());
}
#[test]
fn clap_command_builds() {
let cmd = Args::command();
assert_eq!(cmd.get_name(), "iftoprs");
}
}