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|
pub struct Task {
pub name: &'static str,
pub exec: fn(&[String]) -> Result<String, String>,
}
impl PartialEq for &Task {
fn eq(&self, other: &Self) -> bool {
self.name == other.name
}
}
pub const TASKS: &[Task] = &[
Task {
name: "nop",
exec: no_op,
},
Task {
name: "exec",
exec: exec,
},
NETWORK_T,
];
pub const NETWORK_T: Task = Task {
name: "network",
exec: network,
};
fn no_op(_: &[String]) -> Result<String, String> {
Ok("".to_string())
}
fn exec(cmds: &[String]) -> 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].as_str()).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: &[String]) -> Result<String, String> {
use std::process::{Command, Stdio};
let switch: bool = match switch[0].parse() {
Ok(s) => s,
Err(e) => return Err(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();
match e.read_to_string(&mut reason) {
Ok(_) => {}
Err(e) => 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();
match o.read_to_string(&mut output) {
Ok(_) => (),
Err(e) => 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();
match e.read_to_string(&mut reason) {
Ok(_) => {}
Err(e) => 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),
}
pub trait IntoTask {
fn into_task<'a>(self) -> Result<&'a Task, IntoTaskErr>;
}
impl IntoTask for String {
fn into_task<'a>(self) -> Result<&'a Task, IntoTaskErr> {
for task in TASKS {
if task.name == self {
return Ok(task);
}
}
Err(IntoTaskErr::NotFound(self))
}
}
impl IntoTask for &str {
fn into_task<'a>(self) -> Result<&'a Task, IntoTaskErr> {
for task in TASKS {
if task.name == self {
return Ok(task);
}
}
Err(IntoTaskErr::NotFound(self.to_string()))
}
}
impl IntoTask for &Task {
fn into_task<'a>(self) -> Result<&'a Task, IntoTaskErr> {
for task in TASKS {
if task == self {
return Ok(task);
}
}
Err(IntoTaskErr::NotFound(self.name.to_string()))
}
}
|
