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fix tests

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This commit is contained in:
Nikolay Kim 2017-12-25 19:42:55 -08:00
parent 465a87a7cf
commit ffb5742b71
2 changed files with 79 additions and 45 deletions
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14
src/h1writer.rs
View file

@ -161,14 +161,12 @@ impl<T: AsyncWrite> Writer for H1Writer<T> {
buffer.extend_from_slice(msg.reason().as_bytes());
match body {
Body::Empty => {
buffer.extend_from_slice(b"\r\ncontent-length: 0\r\n");
}
Body::Binary(ref bytes) => {
buffer.extend_from_slice(b"\r\ncontent-length: ");
helpers::convert_usize(bytes.len(), &mut buffer);
}
_ => buffer.extend_from_slice(b"\r\n"),
Body::Empty =>
buffer.extend_from_slice(b"\r\ncontent-length: 0\r\n"),
Body::Binary(ref bytes) =>
helpers::write_content_length(bytes.len(), &mut buffer),
_ =>
buffer.extend_from_slice(b"\r\n"),
}
// write headers

110
src/helpers.rs
View file

@ -5,7 +5,7 @@ use std::rc::Rc;
use std::ops::{Deref, DerefMut};
use std::collections::VecDeque;
use time;
use bytes::BytesMut;
use bytes::{BufMut, BytesMut};
use http::Version;
use httprequest::HttpMessage;
@ -240,8 +240,8 @@ const DEC_DIGITS_LUT: &[u8] =
8081828384858687888990919293949596979899";
pub(crate) fn write_status_line(version: Version, mut n: u16, bytes: &mut BytesMut) {
let mut buf: [u8; 14] = [b'H', b'T', b'T', b'P', b'/', b'1', b'.', b'1',
b' ', b' ', b' ', b' ', b' ', b' '];
let mut buf: [u8; 13] = [b'H', b'T', b'T', b'P', b'/', b'1', b'.', b'1',
b' ', b' ', b' ', b' ', b' '];
match version {
Version::HTTP_2 => buf[5] = b'2',
Version::HTTP_10 => buf[7] = b'0',
@ -249,33 +249,17 @@ pub(crate) fn write_status_line(version: Version, mut n: u16, bytes: &mut BytesM
_ => (),
}
let mut curr: isize = 13;
let mut curr: isize = 12;
let buf_ptr = buf.as_mut_ptr();
let lut_ptr = DEC_DIGITS_LUT.as_ptr();
let four = n > 999;
unsafe {
// eagerly decode 4 characters at a time
while n >= 10_000 {
let rem = (n % 10_000) as isize;
n /= 10_000;
let d1 = (rem / 100) << 1;
let d2 = (rem % 100) << 1;
curr -= 4;
ptr::copy_nonoverlapping(lut_ptr.offset(d1), buf_ptr.offset(curr), 2);
ptr::copy_nonoverlapping(lut_ptr.offset(d2), buf_ptr.offset(curr + 2), 2);
}
// if we reach here numbers are <= 9999, so at most 4 chars long
let mut n = n as isize; // possibly reduce 64bit math
// decode 2 more chars, if > 2 chars
if n >= 100 {
let d1 = (n % 100) << 1;
n /= 100;
curr -= 2;
ptr::copy_nonoverlapping(lut_ptr.offset(d1), buf_ptr.offset(curr), 2);
}
let d1 = (n % 100) << 1;
n /= 100;
curr -= 2;
ptr::copy_nonoverlapping(lut_ptr.offset(d1 as isize), buf_ptr.offset(curr), 2);
// decode last 1 or 2 chars
if n < 10 {
@ -284,11 +268,57 @@ pub(crate) fn write_status_line(version: Version, mut n: u16, bytes: &mut BytesM
} else {
let d1 = n << 1;
curr -= 2;
ptr::copy_nonoverlapping(lut_ptr.offset(d1), buf_ptr.offset(curr), 2);
ptr::copy_nonoverlapping(lut_ptr.offset(d1 as isize), buf_ptr.offset(curr), 2);
}
}
bytes.extend_from_slice(&buf);
if four {
bytes.put(b' ');
}
}
pub(crate) fn write_content_length(mut n: usize, bytes: &mut BytesMut) {
if n < 10 {
let mut buf: [u8; 21] = [b'\r',b'\n',b'c',b'o',b'n',b't',b'e',
b'n',b't',b'-',b'l',b'e',b'n',b'g',
b't',b'h',b':',b' ',b'0',b'\r',b'\n'];
buf[18] = (n as u8) + b'0';
bytes.extend_from_slice(&buf);
} else if n < 100 {
let mut buf: [u8; 22] = [b'\r',b'\n',b'c',b'o',b'n',b't',b'e',
b'n',b't',b'-',b'l',b'e',b'n',b'g',
b't',b'h',b':',b' ',b'0',b'0',b'\r',b'\n'];
let d1 = n << 1;
unsafe {
ptr::copy_nonoverlapping(
DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(18), 2);
}
bytes.extend_from_slice(&buf);
} else if n < 1000 {
let mut buf: [u8; 23] = [b'\r',b'\n',b'c',b'o',b'n',b't',b'e',
b'n',b't',b'-',b'l',b'e',b'n',b'g',
b't',b'h',b':',b' ',b'0',b'0',b'0',b'\r',b'\n'];
// decode 2 more chars, if > 2 chars
let d1 = (n % 100) << 1;
n /= 100;
unsafe {ptr::copy_nonoverlapping(
DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(18), 2)};
// decode last 1 or 2 chars
if n < 10 {
buf[20] = (n as u8) + b'0';
} else {
let d1 = n << 1;
unsafe {ptr::copy_nonoverlapping(
DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(17), 2)};
}
bytes.extend_from_slice(&buf);
} else {
bytes.extend_from_slice(b"\r\ncontent-length: ");
convert_usize(n, bytes);
}
}
pub(crate) fn convert_usize(mut n: usize, bytes: &mut BytesMut) {
@ -340,16 +370,22 @@ pub(crate) fn convert_usize(mut n: usize, bytes: &mut BytesMut) {
}
}
#[test]
fn test_date_len() {
assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
}
#[test]
fn test_date() {
let mut buf1 = BytesMut::new();
date(&mut buf1);
let mut buf2 = BytesMut::new();
date(&mut buf2);
assert_eq!(buf1, buf2);
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_date_len() {
assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
}
#[test]
fn test_date() {
let mut buf1 = BytesMut::new();
date(&mut buf1);
let mut buf2 = BytesMut::new();
date(&mut buf2);
assert_eq!(buf1, buf2);
}
}