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|
pub struct Task {
pub name: Name,
pub exec: fn(&[&str]) -> Result<String, String>,
}
#[derive(Debug)]
pub enum Name {
Nop,
Exec,
Network,
}
impl std::fmt::Display for Name {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "{:?}", self)
}
}
pub const TASKS: &[Task] = &[Task { name: Name::Nop, exec: no_op }, Task { name: Name::Exec, exec: exec }, NETWORK_T];
pub const NETWORK_T: Task = Task { name: Name::Network, exec: network };
fn no_op(_: &[&str]) -> Result<String, String> {
Ok("".to_string())
}
fn exec(cmds: &[&str]) -> Result<String, String> {
use std::process::Command;
// TODO: fmt and add exit code, and add support for both stdout and stderr, and
// support for no output
match Command::new(cmds[0]).args(&cmds[1..]).output() {
Ok(o) => {
if o.status.success() {
Ok(String::from_utf8_lossy(&o.stdout).to_string())
} else {
Err(String::from_utf8_lossy(&o.stderr).to_string())
}
}
Err(e) => Err(e.to_string()),
}
}
fn network(switch: &[&str]) -> Result<String, String> {
use std::process::{Command, Stdio};
let switch: bool = switch[0].parse::<bool>().map_err(|e| e.to_string())?;
// TODO: windows and linux
// todo let .. = Command::new('networksetup')
#[cfg(target_os = "macos")]
{
use std::io::Read;
match Command::new("networksetup").arg("-listallhardwareports").stdout(Stdio::piped()).spawn() {
Ok(devs) => {
match Command::new("awk")
.arg(r#"/Wi-Fi|AirPort/{getline; print $2}"#)
.stdin(Stdio::from(match devs.stdout {
Some(s) => s,
None => match devs.stderr {
Some(mut e) => {
let mut reason = String::new();
if let Err(e) = e.read_to_string(&mut reason) {
return Err(format!("networksetup failed to list hardware: {e}"));
}
return Err(format!("networksetup failed to list hardware: {reason}"));
}
None => Err("networksetup failed to list hardware".to_string())?,
},
}))
.stdout(Stdio::piped())
.spawn()
{
Ok(dev) => match Command::new("networksetup")
.arg("-setairportpower")
.arg(match dev.stdout {
Some(mut o) => {
let mut output = String::new();
if let Err(e) = o.read_to_string(&mut output) {
return Err(format!("awk failed to get device from networksetup list hardware: {e}"));
};
output
}
None => match dev.stderr {
Some(mut e) => {
let mut reason = String::new();
if let Err(e) = e.read_to_string(&mut reason) {
return Err(format!("awk failed to get device from networksetup list hardware: {e}"));
}
return Err(format!("awk failed to get device from networksetup list hardware: {reason}"));
}
None => Err("awk failed to get device from networksetup list hardware".to_string())?,
},
})
.arg(if switch { "on" } else { "off" })
.output()
{
Ok(o) => {
if o.status.success() {
Ok(String::from_utf8_lossy(&o.stdout).to_string())
} else {
Err(String::from_utf8_lossy(&o.stderr).to_string())
}
}
Err(e) => Err(e.to_string()),
},
Err(e) => Err(e.to_string()),
}
}
Err(e) => Err(e.to_string()),
}
}
#[cfg(not(target_os = "macos"))]
Err("not implemented".to_string())
}
#[derive(Debug)]
pub enum IntoTaskErr {
NotFound(String),
}
impl TryFrom<&str> for &'static Task {
type Error = IntoTaskErr;
fn try_from(value: &str) -> Result<Self, Self::Error> {
for task in TASKS {
if task.name.to_string() == value {
return Ok(task);
}
}
Err(IntoTaskErr::NotFound(value.to_string()))
}
}
|
