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optimize encode headers and body split

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This commit is contained in:
Nikolay Kim 2019-04-07 10:03:38 -07:00
parent 68d2203dd6
commit ec09d6fbe6
2 changed files with 15 additions and 16 deletions
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2
actix-http/src/body.rs
View file

@ -153,7 +153,7 @@ impl MessageBody for Body {
if len == 0 {
Ok(Async::Ready(None))
} else {
Ok(Async::Ready(Some(bin.split_to(len))))
Ok(Async::Ready(Some(mem::replace(bin, Bytes::new()))))
}
}
Body::Message(ref mut body) => body.poll_next(),

29
actix-http/src/h1/encoder.rs
View file

@ -9,8 +9,7 @@ use bytes::{BufMut, Bytes, BytesMut};
use crate::body::BodySize;
use crate::config::ServiceConfig;
use crate::header::map;
use crate::header::ContentEncoding;
use crate::header::{map, ContentEncoding};
use crate::helpers;
use crate::http::header::{
HeaderValue, ACCEPT_ENCODING, CONNECTION, CONTENT_LENGTH, DATE, TRANSFER_ENCODING,
@ -75,32 +74,31 @@ pub(crate) trait MessageType: Sized {
match length {
BodySize::Stream => {
if chunked {
dst.extend_from_slice(b"\r\ntransfer-encoding: chunked\r\n")
dst.put_slice(b"\r\ntransfer-encoding: chunked\r\n")
} else {
skip_len = false;
dst.extend_from_slice(b"\r\n");
dst.put_slice(b"\r\n");
}
}
BodySize::Empty => {
dst.extend_from_slice(b"\r\ncontent-length: 0\r\n");
dst.put_slice(b"\r\ncontent-length: 0\r\n");
}
BodySize::Sized(len) => helpers::write_content_length(len, dst),
BodySize::Sized64(len) => {
dst.extend_from_slice(b"\r\ncontent-length: ");
write!(dst.writer(), "{}", len)?;
dst.extend_from_slice(b"\r\n");
dst.put_slice(b"\r\ncontent-length: ");
write!(dst.writer(), "{}\r\n", len)?;
}
BodySize::None => dst.extend_from_slice(b"\r\n"),
BodySize::None => dst.put_slice(b"\r\n"),
}
// Connection
match ctype {
ConnectionType::Upgrade => dst.extend_from_slice(b"connection: upgrade\r\n"),
ConnectionType::Upgrade => dst.put_slice(b"connection: upgrade\r\n"),
ConnectionType::KeepAlive if version < Version::HTTP_11 => {
dst.extend_from_slice(b"connection: keep-alive\r\n")
dst.put_slice(b"connection: keep-alive\r\n")
}
ConnectionType::Close if version >= Version::HTTP_11 => {
dst.extend_from_slice(b"connection: close\r\n")
dst.put_slice(b"connection: close\r\n")
}
_ => (),
}
@ -129,7 +127,7 @@ pub(crate) trait MessageType: Sized {
dst.advance_mut(pos);
}
pos = 0;
dst.reserve(len);
dst.reserve(len * 2);
remaining = dst.remaining_mut();
unsafe {
buf = &mut *(dst.bytes_mut() as *mut _);
@ -154,7 +152,7 @@ pub(crate) trait MessageType: Sized {
dst.advance_mut(pos);
}
pos = 0;
dst.reserve(len);
dst.reserve(len * 2);
remaining = dst.remaining_mut();
unsafe {
buf = &mut *(dst.bytes_mut() as *mut _);
@ -209,7 +207,7 @@ impl MessageType for Response<()> {
// status line
helpers::write_status_line(head.version, head.status.as_u16(), dst);
dst.extend_from_slice(reason);
dst.put_slice(reason);
Ok(())
}
}
@ -228,6 +226,7 @@ impl MessageType for RequestHead {
}
fn encode_status(&mut self, dst: &mut BytesMut) -> io::Result<()> {
dst.reserve(256 + self.headers.len() * AVERAGE_HEADER_SIZE);
write!(
Writer(dst),
"{} {} {}",