Merge branch 'custom_error'

This commit is contained in:
Tangent 128 2019-07-07 20:46:45 -04:00
commit 1ff8d10c10
10 changed files with 74 additions and 155 deletions

7
Cargo.lock generated
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@ -149,6 +149,11 @@ dependencies = [
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "custom_error"
version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "digest"
version = "0.8.1"
@ -1197,6 +1202,7 @@ version = "0.2.0"
dependencies = [
"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
"clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
"custom_error 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
"futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
"http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
"hyper 0.12.31 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1265,6 +1271,7 @@ dependencies = [
"checksum crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "04c9e3102cc2d69cd681412141b390abd55a362afc1540965dad0ad4d34280b4"
"checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
"checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
"checksum custom_error 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c189751d60563837f66c7ebf87f6a6e4c101e937d54521e88620e89c79b8a2ad"
"checksum digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
"checksum dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea57b42383d091c85abcc2706240b94ab2a8fa1fc81c10ff23c4de06e2a90b5e"
"checksum either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5527cfe0d098f36e3f8839852688e63c8fff1c90b2b405aef730615f9a7bcf7b"

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@ -7,6 +7,7 @@ edition = "2018"
[dependencies]
bytes = "0.4.12"
clap = "2.33.0"
custom_error = "1.6.0"
futures = "0.1.28"
http = "0.1.17"
hyper = "0.12.31"

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@ -39,6 +39,6 @@ pub fn run(args: &ArgMatches) -> Result<(), WebmetroError> {
}
Runtime::new().unwrap().block_on(chunk_stream.for_each(|chunk| {
io::stdout().write_all(chunk.as_ref()).map_err(WebmetroError::IoError)
io::stdout().write_all(chunk.as_ref()).map_err(WebmetroError::from)
}))
}

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@ -23,5 +23,5 @@ pub mod send;
pub fn stdin_stream() -> impl Stream<Item = impl Buf, Error = WebmetroError> {
FramedRead::new(AllowStdIo::new(stdin()), BytesCodec::new())
.map(|bytes| bytes.into_buf())
.map_err(WebmetroError::IoError)
.map_err(WebmetroError::from)
}

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@ -1,4 +1,3 @@
use std::error::Error;
use std::net::ToSocketAddrs;
use std::sync::{
Arc,
@ -53,9 +52,9 @@ fn get_stream(channel: Handle) -> impl Stream<Item = Bytes, Error = WebmetroErro
.map_err(|err| match err {})
}
fn post_stream(channel: Handle, stream: impl Stream<Item = impl Buf, Error = impl Error + Send + Sync + 'static>) -> impl Stream<Item = Bytes, Error = WebmetroError> {
fn post_stream(channel: Handle, stream: impl Stream<Item = impl Buf, Error = warp::Error>) -> impl Stream<Item = Bytes, Error = WebmetroError> {
let source = stream
.map_err(WebmetroError::from_err)
.map_err(WebmetroError::from)
.parse_ebml().with_soft_limit(BUFFER_LIMIT)
.chunk_webm().with_soft_limit(BUFFER_LIMIT);
let sink = Transmitter::new(channel);

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@ -46,7 +46,7 @@ pub fn run(args: &ArgMatches) -> Result<(), WebmetroError> {
let url_str = match args.value_of("url") {
Some(url) => String::from(url),
_ => return Err(WebmetroError::from_str("Listen address wasn't provided"))
_ => return Err("Listen address wasn't provided".into())
};
if args.is_present("throttle") {
@ -63,7 +63,7 @@ pub fn run(args: &ArgMatches) -> Result<(), WebmetroError> {
let request = Request::put(url_str)
.body(request_payload)
.map_err(WebmetroError::from_err)?;
.map_err(WebmetroError::from)?;
let client = Client::builder().build(HttpConnector::new(1));
let future = client.request(request)
@ -72,7 +72,7 @@ pub fn run(args: &ArgMatches) -> Result<(), WebmetroError> {
Ok(())
})
})
.map_err(WebmetroError::from_err);
.map_err(WebmetroError::from);
Runtime::new().unwrap().block_on(future)
}

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@ -1,6 +1,5 @@
use bytes::{BigEndian, ByteOrder, BufMut};
use std::error::Error as ErrorTrait;
use std::fmt::{Display, Formatter, Result as FmtResult};
use custom_error::custom_error;
use std::io::{Cursor, Error as IoError, ErrorKind, Result as IoResult, Write, Seek, SeekFrom};
use futures::Async;
@ -8,46 +7,15 @@ pub const EBML_HEAD_ID: u64 = 0x0A45DFA3;
pub const DOC_TYPE_ID: u64 = 0x0282;
pub const VOID_ID: u64 = 0x6C;
#[derive(Debug, PartialEq)]
pub enum EbmlError {
CorruptVarint,
UnknownElementId,
UnknownElementLength,
CorruptPayload,
}
impl Display for EbmlError {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
write!(f, "{}", self.description())
}
}
impl ErrorTrait for EbmlError {
fn description(&self) -> &str {
match self {
&EbmlError::CorruptVarint => "EBML Varint could not be parsed",
&EbmlError::UnknownElementId => "EBML element ID was \"unknown\"",
&EbmlError::UnknownElementLength => "EBML element length was \"unknown\" for an element not allowing that",
&EbmlError::CorruptPayload => "EBML element payload could not be parsed",
}
}
custom_error!{pub EbmlError
CorruptVarint = r#"EBML Varint could not be parsed"#,
UnknownElementId = r#"EBML element ID was "unknown"#,
UnknownElementLength = r#"EBML element length was "unknown" for an element not allowing that"#,
CorruptPayload = r#"EBML element payload could not be parsed"#,
}
#[derive(Debug, PartialEq)]
pub enum WriteError {
OutOfRange
}
impl Display for WriteError {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
match self {
&WriteError::OutOfRange => write!(f, "EBML Varint out of range")
}
}
}
impl ErrorTrait for WriteError {
fn description(&self) -> &str {
match self {
&WriteError::OutOfRange => "EBML Varint out of range"
}
}
custom_error!{pub WriteError
OutOfRange = "EBML Varint out of range"
}
#[derive(Debug, PartialEq)]
@ -313,27 +281,27 @@ mod tests {
#[test]
fn fail_corrupted_varints() {
assert_eq!(decode_varint(&[0]), Err(CorruptVarint));
assert_eq!(decode_varint(&[0, 0, 0]), Err(CorruptVarint));
if let Err(CorruptVarint) = decode_varint(&[0]) {} else {assert!(false)}
if let Err(CorruptVarint) = decode_varint(&[0, 0, 0]) {} else {assert!(false)}
}
#[test]
fn incomplete_varints() {
assert_eq!(decode_varint(&[]), Ok(None));
assert_eq!(decode_varint(&[0x40]), Ok(None));
assert_eq!(decode_varint(&[0x01, 0, 0]), Ok(None));
assert!(decode_varint(&[]).unwrap().is_none());
assert!(decode_varint(&[0x40]).unwrap().is_none());
assert!(decode_varint(&[0x01, 0, 0]).unwrap().is_none());
}
#[test]
fn parse_varints() {
assert_eq!(decode_varint(&[0xFF]), Ok(Some((Unknown, 1))));
assert_eq!(decode_varint(&[0x7F, 0xFF]), Ok(Some((Unknown, 2))));
assert_eq!(decode_varint(&[0x80]), Ok(Some((Value(0), 1))));
assert_eq!(decode_varint(&[0x81]), Ok(Some((Value(1), 1))));
assert_eq!(decode_varint(&[0x40, 52]), Ok(Some((Value(52), 2))));
if let Ok(Some((Unknown, 1))) = decode_varint(&[0xFF]) {} else {assert!(false)}
if let Ok(Some((Unknown, 2))) = decode_varint(&[0x7F, 0xFF]) {} else {assert!(false)}
if let Ok(Some((Value(0), 1))) = decode_varint(&[0x80]) {} else {assert!(false)}
if let Ok(Some((Value(1), 1))) = decode_varint(&[0x81]) {} else {assert!(false)}
if let Ok(Some((Value(52), 2))) = decode_varint(&[0x40, 52]) {} else {assert!(false)}
// test extra data in buffer
assert_eq!(decode_varint(&[0x83, 0x11]), Ok(Some((Value(3), 1))));
if let Ok(Some((Value(3), 1))) = decode_varint(&[0x83, 0x11]) {} else {assert!(false)}
}
#[test]
@ -405,45 +373,45 @@ mod tests {
#[test]
fn fail_corrupted_tags() {
assert_eq!(decode_tag(&[0]), Err(CorruptVarint));
assert_eq!(decode_tag(&[0x80, 0]), Err(CorruptVarint));
assert_eq!(decode_tag(&[0xFF, 0x80]), Err(UnknownElementId));
assert_eq!(decode_tag(&[0x7F, 0xFF, 0x40, 0]), Err(UnknownElementId));
if let Err(CorruptVarint) = decode_tag(&[0]) {} else {assert!(false)}
if let Err(CorruptVarint) = decode_tag(&[0x80, 0]) {} else {assert!(false)}
if let Err(UnknownElementId) = decode_tag(&[0xFF, 0x80]) {} else {assert!(false)}
if let Err(UnknownElementId) = decode_tag(&[0x7F, 0xFF, 0x40, 0]) {} else {assert!(false)}
}
#[test]
fn incomplete_tags() {
assert_eq!(decode_tag(&[]), Ok(None));
assert_eq!(decode_tag(&[0x80]), Ok(None));
assert_eq!(decode_tag(&[0x40, 0, 0x40]), Ok(None));
assert!(decode_tag(&[]).unwrap().is_none());
assert!(decode_tag(&[0x80]).unwrap().is_none());
assert!(decode_tag(&[0x40, 0, 0x40]).unwrap().is_none());
}
#[test]
fn parse_tags() {
assert_eq!(decode_tag(&[0x80, 0x80]), Ok(Some((0, Value(0), 2))));
assert_eq!(decode_tag(&[0x81, 0x85]), Ok(Some((1, Value(5), 2))));
assert_eq!(decode_tag(&[0x80, 0xFF]), Ok(Some((0, Unknown, 2))));
assert_eq!(decode_tag(&[0x80, 0x7F, 0xFF]), Ok(Some((0, Unknown, 3))));
assert_eq!(decode_tag(&[0x85, 0x40, 52]), Ok(Some((5, Value(52), 3))));
if let Ok(Some((0, Value(0), 2))) = decode_tag(&[0x80, 0x80]) {} else {assert!(false)}
if let Ok(Some((1, Value(5), 2))) = decode_tag(&[0x81, 0x85]) {} else {assert!(false)}
if let Ok(Some((0, Unknown, 2))) = decode_tag(&[0x80, 0xFF]) {} else {assert!(false)}
if let Ok(Some((0, Unknown, 3))) = decode_tag(&[0x80, 0x7F, 0xFF]) {} else {assert!(false)}
if let Ok(Some((5, Value(52), 3))) = decode_tag(&[0x85, 0x40, 52]) {} else {assert!(false)}
}
#[test]
fn bad_uints() {
assert_eq!(decode_uint(&[]), Err(EbmlError::CorruptPayload));
assert_eq!(decode_uint(&[0; 9]), Err(EbmlError::CorruptPayload));
if let Err(EbmlError::CorruptPayload) = decode_uint(&[]) {} else {assert!(false)}
if let Err(EbmlError::CorruptPayload) = decode_uint(&[0; 9]) {} else {assert!(false)}
}
#[test]
fn parse_uints() {
assert_eq!(decode_uint(&[0]), Ok(0));
assert_eq!(decode_uint(&[0; 8]), Ok(0));
assert_eq!(decode_uint(&[1]), Ok(1));
assert_eq!(decode_uint(&[0,0,0,0,0,0,0,1]), Ok(1));
assert_eq!(decode_uint(&[38]), Ok(38));
assert_eq!(decode_uint(&[0,0,0,0,0,0,0,38]), Ok(38));
assert_eq!(decode_uint(&[0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]), Ok(9223372036854775807));
assert_eq!(decode_uint(&[0x80,0,0,0,0,0,0,0]), Ok(9223372036854775808));
assert_eq!(decode_uint(&[0x80,0,0,0,0,0,0,1]), Ok(9223372036854775809));
assert_eq!(decode_uint(&[0]).unwrap(), 0);
assert_eq!(decode_uint(&[0; 8]).unwrap(), 0);
assert_eq!(decode_uint(&[1]).unwrap(), 1);
assert_eq!(decode_uint(&[0,0,0,0,0,0,0,1]).unwrap(), 1);
assert_eq!(decode_uint(&[38]).unwrap(), 38);
assert_eq!(decode_uint(&[0,0,0,0,0,0,0,38]).unwrap(), 38);
assert_eq!(decode_uint(&[0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]).unwrap(), 9223372036854775807);
assert_eq!(decode_uint(&[0x80,0,0,0,0,0,0,0]).unwrap(), 9223372036854775808);
assert_eq!(decode_uint(&[0x80,0,0,0,0,0,0,1]).unwrap(), 9223372036854775809);
}
#[derive(Debug, PartialEq)]
@ -466,6 +434,6 @@ mod tests {
#[test]
fn decode_sanity_test() {
let decoded = GenericElement::decode_element(TEST_FILE);
assert_eq!(decoded, Ok(Some((GenericElement(0x0A45DFA3, 31), 43))));
if let Ok(Some((GenericElement(0x0A45DFA3, 31), 43))) = decoded {} else {assert!(false)}
}
}

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@ -1,75 +1,19 @@
use std::{
error::Error,
fmt::{
Display,
Formatter,
Result as FmtResult
},
io::Error as IoError
};
use crate::ebml::EbmlError;
use custom_error::custom_error;
#[derive(Debug)]
pub enum WebmetroError {
ResourcesExceeded,
EbmlError(EbmlError),
IoError(IoError),
Unknown(Box<Error + Send + Sync>)
custom_error!{pub WebmetroError
ResourcesExceeded = "resources exceeded",
EbmlError{source: crate::ebml::EbmlError} = "EBML error",
HttpError{source: http::Error} = "HTTP error",
HyperError{source: hyper::Error} = "Hyper error",
IoError{source: std::io::Error} = "IO error",
TimerError{source: tokio::timer::Error} = "Timer error",
WarpError{source: warp::Error} = "Warp error",
ApplicationError{message: String} = "{message}"
}
impl WebmetroError {
pub fn from_str(string: &str) -> WebmetroError {
string.into()
}
pub fn from_err<E: Error + Send + Sync + 'static>(err: E) -> WebmetroError {
WebmetroError::Unknown(Box::new(err))
}
}
impl Display for WebmetroError {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
match self {
&WebmetroError::ResourcesExceeded => write!(f, "resources exceeded"),
&WebmetroError::EbmlError(ref err) => err.fmt(f),
&WebmetroError::IoError(ref err) => err.fmt(f),
&WebmetroError::Unknown(ref err) => err.fmt(f),
}
}
}
impl Error for WebmetroError {
fn description(&self) -> &str {
match self {
&WebmetroError::ResourcesExceeded => "resources exceeded",
&WebmetroError::EbmlError(ref err) => err.description(),
&WebmetroError::IoError(ref err) => err.description(),
&WebmetroError::Unknown(ref err) => err.description(),
}
}
}
impl From<EbmlError> for WebmetroError {
fn from(err: EbmlError) -> WebmetroError {
WebmetroError::EbmlError(err)
}
}
impl From<IoError> for WebmetroError {
fn from(err: IoError) -> WebmetroError {
WebmetroError::IoError(err)
}
}
impl From<Box<Error + Send + Sync>> for WebmetroError {
fn from(err: Box<Error + Send + Sync>) -> WebmetroError {
WebmetroError::Unknown(err)
}
}
impl<'a> From<&'a str> for WebmetroError {
fn from(err: &'a str) -> WebmetroError {
let error: Box<Error + Send + Sync> = err.into();
WebmetroError::Unknown(error)
impl From<&str> for WebmetroError {
fn from(message: &str) -> WebmetroError {
WebmetroError::ApplicationError{message: message.into()}
}
}

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@ -98,7 +98,7 @@ impl<S: Stream<Item = Chunk, Error = WebmetroError>> Stream for Throttle<S>
fn poll(&mut self) -> Result<Async<Option<Self::Item>>, WebmetroError> {
match self.sleep.poll() {
Err(err) => return Err(WebmetroError::Unknown(Box::new(err))),
Err(err) => return Err(err.into()),
Ok(Async::NotReady) => return Ok(Async::NotReady),
Ok(Async::Ready(())) => { /* can continue */ }
}

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@ -55,9 +55,9 @@ impl<I: Buf, S: Stream<Item = I, Error = WebmetroError>> EbmlStreamingParser<S>
Ok(None) => {
// need to refill buffer, below
},
other => return other.map_err(WebmetroError::EbmlError).and_then(move |_| {
other => return other.map_err(WebmetroError::from).and_then(move |_| {
match T::decode_element(&self.buffer) {
Err(err) => Err(WebmetroError::EbmlError(err)),
Err(err) => Err(err.into()),
Ok(None) => panic!("Buffer was supposed to have enough data to parse element, somehow did not."),
Ok(Some((element, element_size))) => {
self.last_read = element_size;