mirror of
https://github.com/actix/actix-extras.git
synced 2024-11-24 16:02:59 +01:00
simplify server response type
This commit is contained in:
Nikolay Kim
parent
3a4b16a6d5
commit
f0bd4d868e
@ -74,6 +74,8 @@ impl Default for ResponseHead {
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impl Head for ResponseHead {
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fn clear(&mut self) {
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self.reason = None;
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self.version = None;
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self.headers.clear();
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self.flags = MessageFlags::empty();
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}
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113
src/response.rs
113
src/response.rs
@ -12,6 +12,7 @@ use http::{Error as HttpError, HeaderMap, HttpTryFrom, StatusCode, Version};
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use serde::Serialize;
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use serde_json;
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use message::{Head, ResponseHead, MessageFlags};
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use body::Body;
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use error::Error;
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use header::{ContentEncoding, Header, IntoHeaderValue};
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@ -31,7 +32,7 @@ pub enum ConnectionType {
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}
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/// An HTTP Response
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pub struct Response(Box<InnerResponse>, &'static ResponsePool);
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pub struct Response(Box<InnerResponse>);
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impl Response {
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#[inline]
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@ -92,7 +93,6 @@ impl Response {
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}
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ResponseBuilder {
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pool: self.1,
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response: Some(self.0),
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err: None,
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cookies: jar,
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@ -108,33 +108,33 @@ impl Response {
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/// Get the HTTP version of this response
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#[inline]
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pub fn version(&self) -> Option<Version> {
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self.get_ref().version
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self.get_ref().head.version
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}
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/// Get the headers from the response
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#[inline]
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pub fn headers(&self) -> &HeaderMap {
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&self.get_ref().headers
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&self.get_ref().head.headers
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}
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/// Get a mutable reference to the headers
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#[inline]
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pub fn headers_mut(&mut self) -> &mut HeaderMap {
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&mut self.get_mut().headers
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&mut self.get_mut().head.headers
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}
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/// Get an iterator for the cookies set by this response
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#[inline]
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pub fn cookies(&self) -> CookieIter {
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CookieIter {
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iter: self.get_ref().headers.get_all(header::SET_COOKIE).iter(),
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iter: self.get_ref().head.headers.get_all(header::SET_COOKIE).iter(),
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}
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}
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/// Add a cookie to this response
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#[inline]
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pub fn add_cookie(&mut self, cookie: &Cookie) -> Result<(), HttpError> {
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let h = &mut self.get_mut().headers;
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let h = &mut self.get_mut().head.headers;
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HeaderValue::from_str(&cookie.to_string())
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.map(|c| {
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h.append(header::SET_COOKIE, c);
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@ -145,7 +145,7 @@ impl Response {
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/// the number of cookies removed.
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#[inline]
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pub fn del_cookie(&mut self, name: &str) -> usize {
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let h = &mut self.get_mut().headers;
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let h = &mut self.get_mut().head.headers;
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let vals: Vec<HeaderValue> = h
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.get_all(header::SET_COOKIE)
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.iter()
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@ -171,23 +171,23 @@ impl Response {
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/// Get the response status code
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#[inline]
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pub fn status(&self) -> StatusCode {
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self.get_ref().status
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self.get_ref().head.status
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}
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/// Set the `StatusCode` for this response
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#[inline]
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pub fn status_mut(&mut self) -> &mut StatusCode {
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&mut self.get_mut().status
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&mut self.get_mut().head.status
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}
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/// Get custom reason for the response
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#[inline]
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pub fn reason(&self) -> &str {
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if let Some(reason) = self.get_ref().reason {
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if let Some(reason) = self.get_ref().head.reason {
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reason
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} else {
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self.get_ref()
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.status
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.head.status
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.canonical_reason()
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.unwrap_or("<unknown status code>")
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}
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@ -196,7 +196,7 @@ impl Response {
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/// Set the custom reason for the response
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#[inline]
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pub fn set_reason(&mut self, reason: &'static str) -> &mut Self {
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self.get_mut().reason = Some(reason);
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self.get_mut().head.reason = Some(reason);
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self
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}
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@ -279,7 +279,7 @@ impl Response {
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}
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pub(crate) fn release(self) {
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self.1.release(self.0);
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ResponsePool::release(self.0);
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}
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pub(crate) fn into_parts(self) -> ResponseParts {
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@ -287,10 +287,7 @@ impl Response {
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}
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pub(crate) fn from_parts(parts: ResponseParts) -> Response {
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Response(
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Box::new(InnerResponse::from_parts(parts)),
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ResponsePool::get_pool(),
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)
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Response(Box::new(InnerResponse::from_parts(parts)))
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}
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}
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@ -299,13 +296,13 @@ impl fmt::Debug for Response {
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let res = writeln!(
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f,
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"\nResponse {:?} {}{}",
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self.get_ref().version,
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self.get_ref().status,
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self.get_ref().reason.unwrap_or("")
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self.get_ref().head.version,
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self.get_ref().head.status,
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self.get_ref().head.reason.unwrap_or("")
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);
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let _ = writeln!(f, " encoding: {:?}", self.get_ref().encoding);
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let _ = writeln!(f, " headers:");
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for (key, val) in self.get_ref().headers.iter() {
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for (key, val) in self.get_ref().head.headers.iter() {
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let _ = writeln!(f, " {:?}: {:?}", key, val);
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}
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res
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@ -335,7 +332,6 @@ impl<'a> Iterator for CookieIter<'a> {
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/// This type can be used to construct an instance of `Response` through a
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/// builder-like pattern.
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pub struct ResponseBuilder {
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pool: &'static ResponsePool,
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response: Option<Box<InnerResponse>>,
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err: Option<HttpError>,
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cookies: Option<CookieJar>,
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@ -346,7 +342,7 @@ impl ResponseBuilder {
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#[inline]
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pub fn status(&mut self, status: StatusCode) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.status = status;
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parts.head.status = status;
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}
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self
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}
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@ -357,7 +353,7 @@ impl ResponseBuilder {
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#[inline]
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pub fn version(&mut self, version: Version) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.version = Some(version);
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parts.head.version = Some(version);
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}
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self
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}
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@ -382,7 +378,7 @@ impl ResponseBuilder {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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match hdr.try_into() {
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Ok(value) => {
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parts.headers.append(H::name(), value);
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parts.head.headers.append(H::name(), value);
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}
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Err(e) => self.err = Some(e.into()),
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}
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@ -413,7 +409,7 @@ impl ResponseBuilder {
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match HeaderName::try_from(key) {
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Ok(key) => match value.try_into() {
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Ok(value) => {
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parts.headers.append(key, value);
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parts.head.headers.append(key, value);
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}
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Err(e) => self.err = Some(e.into()),
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},
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@ -427,7 +423,7 @@ impl ResponseBuilder {
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#[inline]
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pub fn reason(&mut self, reason: &'static str) -> &mut Self {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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parts.reason = Some(reason);
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parts.head.reason = Some(reason);
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}
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self
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}
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@ -496,7 +492,7 @@ impl ResponseBuilder {
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if let Some(parts) = parts(&mut self.response, &self.err) {
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match HeaderValue::try_from(value) {
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Ok(value) => {
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parts.headers.insert(header::CONTENT_TYPE, value);
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parts.head.headers.insert(header::CONTENT_TYPE, value);
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}
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Err(e) => self.err = Some(e.into()),
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};
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@ -620,13 +616,13 @@ impl ResponseBuilder {
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if let Some(ref jar) = self.cookies {
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for cookie in jar.delta() {
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match HeaderValue::from_str(&cookie.to_string()) {
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Ok(val) => response.headers.append(header::SET_COOKIE, val),
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Ok(val) => response.head.headers.append(header::SET_COOKIE, val),
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Err(e) => return Error::from(e).into(),
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};
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}
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}
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response.body = body.into();
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Response(response, self.pool)
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Response(response)
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}
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#[inline]
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@ -656,7 +652,7 @@ impl ResponseBuilder {
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Ok(body) => {
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let contains = if let Some(parts) = parts(&mut self.response, &self.err)
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{
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parts.headers.contains_key(header::CONTENT_TYPE)
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parts.head.headers.contains_key(header::CONTENT_TYPE)
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} else {
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true
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};
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@ -681,7 +677,6 @@ impl ResponseBuilder {
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/// This method construct new `ResponseBuilder`
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pub fn take(&mut self) -> ResponseBuilder {
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ResponseBuilder {
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pool: self.pool,
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response: self.response.take(),
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err: self.err.take(),
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cookies: self.cookies.take(),
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@ -765,12 +760,8 @@ impl From<BytesMut> for Response {
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}
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}
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#[derive(Debug)]
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struct InnerResponse {
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version: Option<Version>,
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headers: HeaderMap,
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status: StatusCode,
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reason: Option<&'static str>,
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head: ResponseHead,
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body: Body,
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chunked: Option<bool>,
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encoding: Option<ContentEncoding>,
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@ -778,13 +769,11 @@ struct InnerResponse {
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write_capacity: usize,
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response_size: u64,
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error: Option<Error>,
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pool: &'static ResponsePool,
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}
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pub(crate) struct ResponseParts {
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version: Option<Version>,
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headers: HeaderMap,
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status: StatusCode,
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reason: Option<&'static str>,
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head: ResponseHead,
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body: Option<Bytes>,
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encoding: Option<ContentEncoding>,
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connection_type: Option<ConnectionType>,
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@ -793,13 +782,17 @@ pub(crate) struct ResponseParts {
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impl InnerResponse {
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#[inline]
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fn new(status: StatusCode, body: Body) -> InnerResponse {
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fn new(status: StatusCode, body: Body, pool: &'static ResponsePool) -> InnerResponse {
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InnerResponse {
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head: ResponseHead {
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status,
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body,
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version: None,
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headers: HeaderMap::with_capacity(16),
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reason: None,
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flags: MessageFlags::empty(),
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},
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body,
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pool,
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chunked: None,
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encoding: None,
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connection_type: None,
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@ -822,10 +815,7 @@ impl InnerResponse {
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ResponseParts {
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body,
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version: self.version,
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headers: self.headers,
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status: self.status,
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reason: self.reason,
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head: self.head,
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encoding: self.encoding,
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connection_type: self.connection_type,
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error: self.error,
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@ -841,16 +831,14 @@ impl InnerResponse {
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InnerResponse {
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body,
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status: parts.status,
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version: parts.version,
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headers: parts.headers,
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reason: parts.reason,
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head: parts.head,
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chunked: None,
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encoding: parts.encoding,
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connection_type: parts.connection_type,
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response_size: 0,
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write_capacity: MAX_WRITE_BUFFER_SIZE,
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error: parts.error,
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pool: ResponsePool::pool(),
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}
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}
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}
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@ -876,17 +864,15 @@ impl ResponsePool {
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status: StatusCode,
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) -> ResponseBuilder {
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if let Some(mut msg) = pool.0.borrow_mut().pop_front() {
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msg.status = status;
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msg.head.status = status;
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ResponseBuilder {
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pool,
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response: Some(msg),
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err: None,
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cookies: None,
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}
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} else {
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let msg = Box::new(InnerResponse::new(status, Body::Empty));
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let msg = Box::new(InnerResponse::new(status, Body::Empty, pool));
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ResponseBuilder {
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pool,
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response: Some(msg),
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err: None,
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cookies: None,
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@ -901,12 +887,11 @@ impl ResponsePool {
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body: Body,
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) -> Response {
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if let Some(mut msg) = pool.0.borrow_mut().pop_front() {
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msg.status = status;
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msg.head.status = status;
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msg.body = body;
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Response(msg, pool)
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Response(msg)
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} else {
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let msg = Box::new(InnerResponse::new(status, body));
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Response(msg, pool)
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Response(Box::new(InnerResponse::new(status, body, pool)))
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}
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}
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@ -921,13 +906,11 @@ impl ResponsePool {
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}
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#[inline]
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fn release(&self, mut inner: Box<InnerResponse>) {
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let mut p = self.0.borrow_mut();
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fn release(mut inner: Box<InnerResponse>) {
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let mut p = inner.pool.0.borrow_mut();
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if p.len() < 128 {
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inner.headers.clear();
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inner.version = None;
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inner.head.clear();
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inner.chunked = None;
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inner.reason = None;
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inner.encoding = None;
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inner.connection_type = None;
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inner.response_size = 0;
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