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Switch to string crate (#6)

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This commit is contained in:
Carl Lerche
2017-07-26 13:20:26 -07:00
committed by GitHub
parent 0f13836504
commit a203365d79
9 changed files with 75 additions and 119 deletions
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15
src/client.rs
View File

@@ -78,20 +78,7 @@ impl Peer for Client {
// Build the set pseudo header set. All requests will include `method`
// and `path`.
let mut pseudo = frame::Pseudo::request(method, uri.path().into());
// If the URI includes a scheme component, add it to the pseudo headers
//
// TODO: Scheme must be set...
if let Some(scheme) = uri.scheme() {
pseudo.set_scheme(scheme.into());
}
// If the URI includes an authority component, add it to the pseudo
// headers
if let Some(authority) = uri.authority() {
pseudo.set_authority(authority.into());
}
let pseudo = frame::Pseudo::request(method, uri);
// Create the HEADERS frame
let mut frame = frame::Headers::new(id, pseudo, headers);

51
src/frame/headers.rs
View File

@@ -1,13 +1,13 @@
use super::StreamId;
use hpack;
use frame::{self, Frame, Head, Kind, Error};
use util::byte_str::ByteStr;
use http::{request, response, version, uri, Method, StatusCode};
use http::{request, response, version, uri, Method, StatusCode, Uri};
use http::header::{self, HeaderMap, HeaderName, HeaderValue};
use bytes::{BytesMut, Bytes};
use byteorder::{BigEndian, ByteOrder};
use string::String;
use std::io::Cursor;
@@ -84,9 +84,9 @@ pub struct StreamDependency {
pub struct Pseudo {
// Request
method: Option<Method>,
scheme: Option<ByteStr>,
authority: Option<ByteStr>,
path: Option<ByteStr>,
scheme: Option<String<Bytes>>,
authority: Option<String<Bytes>>,
path: Option<String<Bytes>>,
// Response
status: Option<StatusCode>,
@@ -225,17 +225,17 @@ impl Headers {
if let Some(scheme) = self.pseudo.scheme {
// TODO: Don't unwrap
parts.scheme = Some(uri::Scheme::try_from_shared(scheme.into()).unwrap());
parts.scheme = Some(uri::Scheme::try_from_shared(scheme.into_inner()).unwrap());
}
if let Some(authority) = self.pseudo.authority {
// TODO: Don't unwrap
parts.authority = Some(uri::Authority::try_from_shared(authority.into()).unwrap());
parts.authority = Some(uri::Authority::try_from_shared(authority.into_inner()).unwrap());
}
if let Some(path) = self.pseudo.path {
// TODO: Don't unwrap
parts.origin_form = Some(uri::OriginForm::try_from_shared(path.into()).unwrap());
parts.origin_form = Some(uri::OriginForm::try_from_shared(path.into_inner()).unwrap());
}
request.uri = parts.into();
@@ -297,14 +297,39 @@ impl From<Headers> for Frame {
// ===== impl Pseudo =====
impl Pseudo {
pub fn request(method: Method, path: ByteStr) -> Self {
Pseudo {
pub fn request(method: Method, uri: Uri) -> Self {
let parts = uri::Parts::from(uri);
fn to_string(src: Bytes) -> String<Bytes> {
unsafe { String::from_utf8_unchecked(src) }
}
let path = parts.origin_form
.map(|v| v.into())
.unwrap_or_else(|| Bytes::from_static(b"/"));
let mut pseudo = Pseudo {
method: Some(method),
scheme: None,
authority: None,
path: Some(path),
path: Some(to_string(path)),
status: None,
};
// If the URI includes a scheme component, add it to the pseudo headers
//
// TODO: Scheme must be set...
if let Some(scheme) = parts.scheme {
pseudo.set_scheme(to_string(scheme.into()));
}
// If the URI includes an authority component, add it to the pseudo
// headers
if let Some(authority) = parts.authority {
pseudo.set_authority(to_string(authority.into()));
}
pseudo
}
pub fn response(status: StatusCode) -> Self {
@@ -317,11 +342,11 @@ impl Pseudo {
}
}
pub fn set_scheme(&mut self, scheme: ByteStr) {
pub fn set_scheme(&mut self, scheme: String<Bytes>) {
self.scheme = Some(scheme);
}
pub fn set_authority(&mut self, authority: ByteStr) {
pub fn set_authority(&mut self, authority: String<Bytes>) {
self.authority = Some(authority);
}
}

22
src/hpack/decoder.rs
View File

@@ -1,13 +1,14 @@
use super::{huffman, Header};
use frame;
use util::byte_str::FromUtf8Error;
use http::{method, header, status};
use bytes::{Buf, Bytes, BytesMut};
use string::String;
use std::cmp;
use std::io::Cursor;
use std::collections::VecDeque;
use std::str::Utf8Error;
/// Decodes headers using HPACK
#[derive(Debug)]
@@ -487,8 +488,8 @@ impl Table {
// ===== impl DecoderError =====
impl From<FromUtf8Error> for DecoderError {
fn from(_: FromUtf8Error) -> DecoderError {
impl From<Utf8Error> for DecoderError {
fn from(_: Utf8Error) -> DecoderError {
// TODO: Better error?
DecoderError::InvalidUtf8
}
@@ -532,16 +533,15 @@ impl From<DecoderError> for frame::Error {
pub fn get_static(idx: usize) -> Header {
use http::{status, method, header};
use http::header::HeaderValue;
use util::byte_str::ByteStr;
match idx {
1 => Header::Authority(ByteStr::from_static("")),
1 => Header::Authority(from_static("")),
2 => Header::Method(method::GET),
3 => Header::Method(method::POST),
4 => Header::Path(ByteStr::from_static("/")),
5 => Header::Path(ByteStr::from_static("/index.html")),
6 => Header::Scheme(ByteStr::from_static("http")),
7 => Header::Scheme(ByteStr::from_static("https")),
4 => Header::Path(from_static("/")),
5 => Header::Path(from_static("/index.html")),
6 => Header::Scheme(from_static("http")),
7 => Header::Scheme(from_static("https")),
8 => Header::Status(status::OK),
9 => Header::Status(status::NO_CONTENT),
10 => Header::Status(status::PARTIAL_CONTENT),
@@ -740,3 +740,7 @@ pub fn get_static(idx: usize) -> Header {
_ => unreachable!(),
}
}
fn from_static(s: &'static str) -> String<Bytes> {
unsafe { String::from_utf8_unchecked(Bytes::from_static(s.as_bytes())) }
}

21
src/hpack/header.rs
View File

@@ -1,9 +1,9 @@
use super::DecoderError;
use util::byte_str::ByteStr;
use http::{Method, StatusCode};
use http::header::{HeaderName, HeaderValue};
use bytes::Bytes;
use string::{String, TryFrom};
/// HTTP/2.0 Header
#[derive(Debug, Clone, Eq, PartialEq)]
@@ -12,10 +12,11 @@ pub enum Header<T = HeaderName> {
name: T,
value: HeaderValue,
},
Authority(ByteStr),
// TODO: Change these types to `http::uri` types.
Authority(String<Bytes>),
Method(Method),
Scheme(ByteStr),
Path(ByteStr),
Scheme(String<Bytes>),
Path(String<Bytes>),
Status(StatusCode),
}
@@ -56,7 +57,7 @@ impl Header {
if name[0] == b':' {
match &name[1..] {
b"authority" => {
let value = try!(ByteStr::from_utf8(value));
let value = try!(String::try_from(value));
Ok(Header::Authority(value))
}
b"method" => {
@@ -64,11 +65,11 @@ impl Header {
Ok(Header::Method(method))
}
b"scheme" => {
let value = try!(ByteStr::from_utf8(value));
let value = try!(String::try_from(value));
Ok(Header::Scheme(value))
}
b"path" => {
let value = try!(ByteStr::from_utf8(value));
let value = try!(String::try_from(value));
Ok(Header::Path(value))
}
b"status" => {
@@ -231,16 +232,16 @@ impl<'a> Name<'a> {
})
}
Name::Authority => {
Ok(Header::Authority(try!(ByteStr::from_utf8(value))))
Ok(Header::Authority(try!(String::try_from(value))))
}
Name::Method => {
Ok(Header::Method(try!(Method::from_bytes(&*value))))
}
Name::Scheme => {
Ok(Header::Scheme(try!(ByteStr::from_utf8(value))))
Ok(Header::Scheme(try!(String::try_from(value))))
}
Name::Path => {
Ok(Header::Path(try!(ByteStr::from_utf8(value))))
Ok(Header::Path(try!(String::try_from(value))))
}
Name::Status => {
match StatusCode::from_bytes(&value) {

13
src/hpack/test/fuzz.rs
View File

@@ -6,7 +6,7 @@ use hpack::{Header, Decoder, Encoder, Encode};
use http::header::{HeaderName, HeaderValue};
use self::bytes::BytesMut;
use self::bytes::{BytesMut, Bytes};
use self::quickcheck::{QuickCheck, Arbitrary, Gen, TestResult};
use self::rand::{StdRng, Rng, SeedableRng};
@@ -183,7 +183,7 @@ fn gen_header(g: &mut StdRng) -> Header<Option<HeaderName>> {
match g.next_u32() % 5 {
0 => {
let value = gen_string(g, 4, 20);
Header::Authority(value.into())
Header::Authority(to_shared(value))
}
1 => {
let method = match g.next_u32() % 6 {
@@ -212,7 +212,7 @@ fn gen_header(g: &mut StdRng) -> Header<Option<HeaderName>> {
_ => unreachable!(),
};
Header::Scheme(value.into())
Header::Scheme(to_shared(value.to_string()))
}
3 => {
let value = match g.next_u32() % 100 {
@@ -221,7 +221,7 @@ fn gen_header(g: &mut StdRng) -> Header<Option<HeaderName>> {
_ => gen_string(g, 2, 20),
};
Header::Path(value.into())
Header::Path(to_shared(value))
}
4 => {
let status = (g.gen::<u16>() % 500) + 100;
@@ -346,3 +346,8 @@ fn gen_string(g: &mut StdRng, min: usize, max: usize) -> String {
String::from_utf8(bytes).unwrap()
}
fn to_shared(src: String) -> ::string::String<Bytes> {
let b: Bytes = src.into();
unsafe { ::string::String::from_utf8_unchecked(b) }
}

4
src/lib.rs
View File

@@ -25,6 +25,8 @@ extern crate byteorder;
#[macro_use]
extern crate log;
extern crate string;
pub mod client;
pub mod error;
mod hpack;
@@ -32,8 +34,6 @@ mod proto;
mod frame;
pub mod server;
mod util;
pub use error::{ConnectionError, Reason};
pub use frame::StreamId;
pub use proto::Connection;

66
src/util/byte_str.rs
View File

@@ -1,66 +0,0 @@
use bytes::Bytes;
use std::{ops, str};
use std::str::Utf8Error;
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ByteStr {
bytes: Bytes,
}
#[derive(Debug)]
pub struct FromUtf8Error {
err: Utf8Error,
}
impl ByteStr {
#[inline]
pub fn from_static(val: &'static str) -> ByteStr {
ByteStr { bytes: Bytes::from_static(val.as_bytes()) }
}
#[inline]
pub unsafe fn from_utf8_unchecked(bytes: Bytes) -> ByteStr {
ByteStr { bytes: bytes }
}
pub fn from_utf8(bytes: Bytes) -> Result<ByteStr, FromUtf8Error> {
if let Err(e) = str::from_utf8(&bytes[..]) {
return Err(FromUtf8Error {
err: e,
});
}
Ok(ByteStr { bytes: bytes })
}
}
impl ops::Deref for ByteStr {
type Target = str;
#[inline]
fn deref(&self) -> &str {
let b: &[u8] = self.bytes.as_ref();
unsafe { str::from_utf8_unchecked(b) }
}
}
impl From<String> for ByteStr {
#[inline]
fn from(src: String) -> ByteStr {
ByteStr { bytes: Bytes::from(src) }
}
}
impl<'a> From<&'a str> for ByteStr {
#[inline]
fn from(src: &'a str) -> ByteStr {
ByteStr { bytes: Bytes::from(src) }
}
}
impl From<ByteStr> for Bytes {
fn from(src: ByteStr) -> Self {
src.bytes
}
}

1
src/util/mod.rs
View File

@@ -1 +0,0 @@
pub mod byte_str;