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mod builder;
use get::Get;
use std::collections::HashMap;
use tokio::{
fs::File,
io::{self, AsyncWrite, AsyncWriteExt},
};
use strum::{Display, EnumString, FromRepr};
use builder::Builder;
#[allow(unreachable_patterns)]
#[derive(Debug, Clone, Copy, Display, EnumString, FromRepr)]
pub enum Status {
#[strum(to_string = "200 OK", serialize = "OK")]
Ok = 200,
#[strum(to_string = "404 Not Found", serialize = "Not Found")]
NotFound = 404,
#[strum(
to_string = "500 Internal Server Error",
serialize = "Internal ServerError"
)]
InternalServerError = 500,
}
#[derive(Debug)]
pub enum Body {
File(File),
Buffer(Vec<u8>),
Empty,
}
#[derive(Debug, Get)]
pub struct Response {
status: Status,
headers: HashMap<String, Vec<u8>>,
body: Body,
}
impl Response {
pub fn builder() -> Builder {
Builder::new()
}
}
impl Response {
pub async fn serialize<W: AsyncWrite + Unpin>(
mut self,
mut writer: W,
) -> Result<(), io::Error> {
writer.write_all(b"HTTP/1.1 ").await?;
writer.write_all(self.status.to_string().as_bytes()).await?;
writer.write_all(b"\r\n").await?;
for (key, value) in &self.headers {
writer.write_all(key.as_bytes()).await?;
writer.write_all(b": ").await?;
writer.write_all(value).await?;
writer.write_all(b"\r\n").await?;
}
writer.write_all(b"\r\n").await?;
match &mut self.body {
Body::File(file) => {
io::copy(file, &mut writer).await?;
}
Body::Buffer(buf) => {
writer.write_all(buf).await?;
}
Body::Empty => (),
}
Ok(())
}
}
|
