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use std::fmt::Display;
use crate::tasks::{IntoTaskErr, Task as BaseTask, TaskOutput};
use serde::Deserialize;
use tokio::net::TcpStream;
#[derive(Clone, Copy)]
pub struct ServerCtx<'a> {
pub stream: &'a TcpStream,
}
pub struct Task<'a>(pub BaseTask<Name, ServerCtx<'a>>);
#[derive(Debug, Deserialize, Clone, Copy, PartialEq)]
pub enum Name {
GetIp,
}
impl Display for Name {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "{:?}", self)
}
}
pub const TASKS: &[Task] = &[Task(BaseTask { name: Name::GetIp, exec: get_ip })];
fn get_ip(_: &[&str], ctx: &ServerCtx) -> TaskOutput {
match ctx.stream.peer_addr() {
Ok(addr) => Ok(addr.ip().to_string()),
Err(e) => Err(e.to_string()),
}
}
impl<'a> TryFrom<Name> for &'static Task<'a> {
type Error = IntoTaskErr;
fn try_from(value: Name) -> Result<Self, Self::Error> {
for task in TASKS {
if task.0.name == value {
return Ok(task);
}
}
Err(IntoTaskErr::NotFound(value.to_string()))
}
}
impl<'a> From<Task<'a>> for BaseTask<Name, ServerCtx<'a>> {
fn from(value: Task<'a>) -> Self {
value.0
}
}
impl<'a> AsRef<BaseTask<Name, ServerCtx<'a>>> for Task<'a> {
fn as_ref(&self) -> &BaseTask<Name, ServerCtx<'a>> {
&self.0
}
}
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