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use crate::{header::HeaderValue, Headers, Method};
#[derive(Debug, PartialEq)]
pub struct Request<'a> {
method: Method,
path: &'a str,
protocol: &'a str,
headers: Headers<'a>,
body: &'a [u8],
}
impl<'a> Request<'a> {
pub fn new(
protocol: &'a str,
method: Method,
path: &'a str,
headers: Headers<'a>,
body: &'a [u8],
) -> Self {
Self {
method,
path,
protocol,
headers,
body,
}
}
pub fn serialize(&self) -> (Vec<u8>, &[u8]) {
let method = self.method.serialize();
let capacity = method.len() + 1 + self.path.len() + 1 + self.protocol.len() + 4;
let mut result = Vec::with_capacity(capacity);
result.extend_from_slice(method.as_bytes());
result.push(b' ');
result.extend_from_slice(self.path.as_bytes());
result.push(b' ');
result.extend_from_slice(self.protocol.as_bytes());
result.extend_from_slice("\r\n".as_bytes());
self.headers.serialize(&mut result);
result.extend_from_slice("\r\n".as_bytes());
(result, self.body)
}
pub fn protocol(&self) -> &'a str {
&self.protocol
}
pub fn method(&self) -> &Method {
&self.method
}
pub fn path(&self) -> &'a str {
&self.path
}
pub fn headers(&self) -> &Headers<'a> {
&self.headers
}
pub fn header_mut(&mut self) -> &mut Headers<'a> {
&mut self.headers
}
pub fn body(&self) -> &[u8] {
self.body
}
pub fn is_keep_alive(&self) -> bool {
match self.headers.get("Connection") {
None => false,
Some(value) => value.eq_ignore_case(&HeaderValue::StrRef("Keep-Alive")),
}
}
pub fn set_path(&'a mut self, n_path: &'a str) {
self.path = n_path;
}
}
impl std::fmt::Display for Request<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "[{}] Path: '{}'", self.method, self.path)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn serialize_valid() {
let mut headers = Headers::new();
headers.set("test-1", "value-1");
let req = Request::new("HTTP/1.1", Method::GET, "/test", headers, "body".as_bytes());
let raw_header = "GET /test HTTP/1.1\r\ntest-1: value-1\r\n\r\n";
let header_resp = raw_header.as_bytes().to_vec();
let body_resp = "body".as_bytes();
assert_eq!(req.serialize(), (header_resp, body_resp));
}
#[test]
fn serialize_valid_no_body() {
let mut headers = Headers::new();
headers.set("test-1", "value-1");
let req = Request::new("HTTP/1.1", Method::GET, "/test", headers, "".as_bytes());
let raw_header = "GET /test HTTP/1.1\r\ntest-1: value-1\r\n\r\n";
let resp_header = raw_header.as_bytes().to_vec();
let resp_body = "".as_bytes();
assert_eq!(req.serialize(), (resp_header, resp_body));
}
#[test]
fn is_keep_alive_not_set() {
let mut headers = Headers::new();
headers.set("test-1", "value-1");
let req = Request::new("HTTP/1.1", Method::GET, "/test", headers, "".as_bytes());
assert_eq!(false, req.is_keep_alive());
}
#[test]
fn is_keep_alive_is_set() {
let mut headers = Headers::new();
headers.set("Connection", "Keep-Alive");
let req = Request::new("HTTP/1.1", Method::GET, "/test", headers, "".as_bytes());
assert_eq!(true, req.is_keep_alive());
}
#[test]
fn is_keep_alive_is_set_to_off() {
let mut headers = Headers::new();
headers.set("Connection", "Close");
let req = Request::new("HTTP/1.1", Method::GET, "/test", headers, "".as_bytes());
assert_eq!(false, req.is_keep_alive());
}
}