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#[macro_use]
extern crate log;
pub mod protocol;
pub mod service;
pub mod model {
pub use samotop_model::*;
}
pub mod common {
pub use crate::model::io::Bytes;
pub use crate::model::{Error, Result};
pub use futures::{
future, ready, stream, AsyncRead as Read, AsyncReadExt as ReadExt, AsyncWrite as Write,
AsyncWriteExt as WriteExt, Future, FutureExt, Sink, Stream, StreamExt, TryFutureExt,
};
pub use pin_project::pin_project;
pub use std::pin::Pin;
pub use std::sync::Arc;
pub use std::task::{Context, Poll};
}
pub mod test_util {
pub use crate::common::*;
use crate::protocol::tls::MayBeTls;
use std::collections::VecDeque;
pub fn cx() -> Context<'static> {
std::task::Context::from_waker(futures::task::noop_waker_ref())
}
pub fn b(bytes: impl AsRef<[u8]>) -> Bytes {
Bytes::copy_from_slice(bytes.as_ref())
}
#[pin_project]
pub struct TestStream<I> {
items: VecDeque<Poll<Option<I>>>,
}
impl<T: IntoIterator<Item = Poll<Option<I>>>, I> From<T> for TestStream<I> {
fn from(from: T) -> Self {
TestStream {
items: from.into_iter().collect(),
}
}
}
impl<I> Stream for TestStream<I> {
type Item = I;
fn poll_next(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
if let Some(item) = self.project().items.pop_front() {
item
} else {
Poll::Ready(None)
}
}
}
#[pin_project]
pub struct TestIO {
pub input: Vec<u8>,
pub output: Vec<u8>,
pub read: usize,
pub read_chunks: VecDeque<usize>,
}
impl TestIO {
pub fn written(&self) -> &[u8] {
&self.output[..]
}
pub fn read(&self) -> &[u8] {
&self.input[..self.read]
}
pub fn unread(&self) -> &[u8] {
&self.input[self.read..]
}
pub fn new() -> Self {
TestIO {
output: vec![],
input: vec![],
read: 0,
read_chunks: vec![].into(),
}
}
pub fn add_read_chunk(mut self, chunk: impl AsRef<[u8]>) -> Self {
self.input.extend_from_slice(chunk.as_ref());
self.read_chunks.push_back(chunk.as_ref().len());
self
}
}
impl<T: AsRef<[u8]>> From<T> for TestIO {
fn from(data: T) -> Self {
Self::new().add_read_chunk(data)
}
}
impl Read for TestIO {
fn poll_read(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<std::io::Result<usize>> {
let proj = self.project();
match proj.read_chunks.pop_front() {
None => Poll::Ready(Ok(0)),
Some(max) => {
let len = usize::min(max, proj.input.len() - *proj.read);
let len = usize::min(len, buf.len());
if len != max {
proj.read_chunks.push_front(max - len);
}
if len == 0 {
Poll::Pending
} else {
(&mut buf[..len])
.copy_from_slice(&proj.input[*proj.read..*proj.read + len]);
*proj.read += len;
Poll::Ready(Ok(len))
}
}
}
}
}
impl Write for TestIO {
fn poll_write(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<std::io::Result<usize>> {
let proj = self.project();
proj.output.extend_from_slice(buf);
Poll::Ready(Ok(buf.len()))
}
fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
Poll::Ready(Ok(()))
}
fn poll_close(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
Poll::Ready(Ok(()))
}
}
impl MayBeTls for TestIO {
fn start_tls(self: Pin<&mut Self>) -> std::io::Result<()> {
Err(std::io::Error::new(
std::io::ErrorKind::BrokenPipe,
"TLS not supported",
))
}
fn supports_tls(&self) -> bool {
false
}
}
}