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mirror of https://github.com/fafhrd91/actix-web synced 2025-08-31 17:07:01 +02:00

various optimizations

This commit is contained in:
Nikolay Kim
2017-12-13 16:44:35 -08:00
parent 81f8da03ae
commit 96f598f2c4
13 changed files with 328 additions and 232 deletions

View File

@@ -47,8 +47,9 @@ impl HttpResponse {
#[inline]
pub fn build(status: StatusCode) -> HttpResponseBuilder {
HttpResponseBuilder {
parts: Some(Parts::new(status)),
response: Some(HttpResponse::new(status, Body::Empty)),
err: None,
cookies: None,
}
}
@@ -57,7 +58,7 @@ impl HttpResponse {
pub fn new(status: StatusCode, body: Body) -> HttpResponse {
HttpResponse {
version: None,
headers: Default::default(),
headers: HeaderMap::with_capacity(8),
status: status,
reason: None,
body: body,
@@ -213,49 +214,22 @@ impl fmt::Debug for HttpResponse {
}
}
#[derive(Debug)]
struct Parts {
version: Option<Version>,
headers: HeaderMap,
status: StatusCode,
reason: Option<&'static str>,
chunked: bool,
encoding: ContentEncoding,
connection_type: Option<ConnectionType>,
cookies: Option<CookieJar>,
}
impl Parts {
fn new(status: StatusCode) -> Self {
Parts {
version: None,
headers: HeaderMap::with_capacity(8),
status: status,
reason: None,
chunked: false,
encoding: ContentEncoding::Auto,
connection_type: None,
cookies: None,
}
}
}
/// An HTTP response builder
///
/// This type can be used to construct an instance of `HttpResponse` through a
/// builder-like pattern.
#[derive(Debug)]
pub struct HttpResponseBuilder {
parts: Option<Parts>,
response: Option<HttpResponse>,
err: Option<HttpError>,
cookies: Option<CookieJar>,
}
impl HttpResponseBuilder {
/// Set the HTTP version of this response.
#[inline]
pub fn version(&mut self, version: Version) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.version = Some(version);
}
self
@@ -264,7 +238,7 @@ impl HttpResponseBuilder {
/// Set the `StatusCode` for this response.
#[inline]
pub fn status(&mut self, status: StatusCode) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.status = status;
}
self
@@ -276,7 +250,7 @@ impl HttpResponseBuilder {
where HeaderName: HttpTryFrom<K>,
HeaderValue: HttpTryFrom<V>
{
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
match HeaderName::try_from(key) {
Ok(key) => {
match HeaderValue::try_from(value) {
@@ -293,7 +267,7 @@ impl HttpResponseBuilder {
/// Set the custom reason for the response.
#[inline]
pub fn reason(&mut self, reason: &'static str) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.reason = Some(reason);
}
self
@@ -306,7 +280,7 @@ impl HttpResponseBuilder {
/// To enforce specific encoding, use specific ContentEncoding` value.
#[inline]
pub fn content_encoding(&mut self, enc: ContentEncoding) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.encoding = enc;
}
self
@@ -315,7 +289,7 @@ impl HttpResponseBuilder {
/// Set connection type
#[inline]
pub fn connection_type(&mut self, conn: ConnectionType) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.connection_type = Some(conn);
}
self
@@ -336,7 +310,7 @@ impl HttpResponseBuilder {
/// Enables automatic chunked transfer encoding
#[inline]
pub fn enable_chunked(&mut self) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
parts.chunked = true;
}
self
@@ -347,7 +321,7 @@ impl HttpResponseBuilder {
pub fn content_type<V>(&mut self, value: V) -> &mut Self
where HeaderValue: HttpTryFrom<V>
{
if let Some(parts) = parts(&mut self.parts, &self.err) {
if let Some(parts) = parts(&mut self.response, &self.err) {
match HeaderValue::try_from(value) {
Ok(value) => { parts.headers.insert(header::CONTENT_TYPE, value); },
Err(e) => self.err = Some(e.into()),
@@ -358,25 +332,23 @@ impl HttpResponseBuilder {
/// Set a cookie
pub fn cookie<'c>(&mut self, cookie: Cookie<'c>) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if parts.cookies.is_none() {
let mut jar = CookieJar::new();
jar.add(cookie.into_owned());
parts.cookies = Some(jar)
} else {
parts.cookies.as_mut().unwrap().add(cookie.into_owned());
}
if self.cookies.is_none() {
let mut jar = CookieJar::new();
jar.add(cookie.into_owned());
self.cookies = Some(jar)
} else {
self.cookies.as_mut().unwrap().add(cookie.into_owned());
}
self
}
/// Remote cookie, cookie has to be cookie from `HttpRequest::cookies()` method.
pub fn del_cookie<'a>(&mut self, cookie: &Cookie<'a>) -> &mut Self {
if let Some(parts) = parts(&mut self.parts, &self.err) {
if parts.cookies.is_none() {
parts.cookies = Some(CookieJar::new())
{
if self.cookies.is_none() {
self.cookies = Some(CookieJar::new())
}
let mut jar = parts.cookies.as_mut().unwrap();
let jar = self.cookies.as_mut().unwrap();
let cookie = cookie.clone().into_owned();
jar.add_original(cookie.clone());
jar.remove(cookie);
@@ -397,36 +369,26 @@ impl HttpResponseBuilder {
/// Set a body and generate `HttpResponse`.
/// `HttpResponseBuilder` can not be used after this call.
pub fn body<B: Into<Body>>(&mut self, body: B) -> Result<HttpResponse, HttpError> {
let mut parts = self.parts.take().expect("cannot reuse response builder");
if let Some(e) = self.err.take() {
return Err(e)
}
if let Some(jar) = parts.cookies {
let mut response = self.response.take().expect("cannot reuse response builder");
if let Some(ref jar) = self.cookies {
for cookie in jar.delta() {
parts.headers.append(
response.headers.append(
header::SET_COOKIE,
HeaderValue::from_str(&cookie.to_string())?);
}
}
Ok(HttpResponse {
version: parts.version,
headers: parts.headers,
status: parts.status,
reason: parts.reason,
body: body.into(),
chunked: parts.chunked,
encoding: parts.encoding,
connection_type: parts.connection_type,
response_size: 0,
error: None,
})
response.body = body.into();
Ok(response)
}
/// Set a json body and generate `HttpResponse`
pub fn json<T: Serialize>(&mut self, value: T) -> Result<HttpResponse, Error> {
let body = serde_json::to_string(&value)?;
let contains = if let Some(parts) = parts(&mut self.parts, &self.err) {
let contains = if let Some(parts) = parts(&mut self.response, &self.err) {
parts.headers.contains_key(header::CONTENT_TYPE)
} else {
true
@@ -444,7 +406,8 @@ impl HttpResponseBuilder {
}
}
fn parts<'a>(parts: &'a mut Option<Parts>, err: &Option<HttpError>) -> Option<&'a mut Parts>
fn parts<'a>(parts: &'a mut Option<HttpResponse>, err: &Option<HttpError>)
-> Option<&'a mut HttpResponse>
{
if err.is_some() {
return None