1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
use futures_util::StreamExt;
use tokio::fs::File;
use std::io::Write;
use tokio::fs::OpenOptions;
use std::task::{Poll, Context};
use std::pin::Pin;
use std::time::{UNIX_EPOCH, SystemTime};
use std::sync::{Arc, Mutex};
#[derive(Clone)]
pub struct VecSink {
body: Arc<Mutex<Vec<u8>>>,
}
impl VecSink {
pub fn new() -> Self {
Self { body: Arc::new(Mutex::new(Vec::new())) }
}
pub fn take_buf(&self) -> Vec<u8> {
std::mem::replace(&mut *self.body.lock().unwrap(), Vec::new())
}
}
impl tokio::io::AsyncWrite for VecSink {
fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context,
buf: &[u8]
) -> Poll<Result<usize, std::io::Error>> {
self.body.lock().unwrap().extend_from_slice(buf);
Poll::Ready(Ok(buf.len()))
}
fn poll_flush(
self: Pin<&mut Self>,
_cx: &mut Context
) -> Poll<Result<(), std::io::Error>> {
Poll::Ready(Ok(()))
}
fn poll_shutdown(
self: Pin<&mut Self>,
_cx: &mut Context
) -> Poll<Result<(), std::io::Error>> {
Poll::Ready(Ok(()))
}
}
pub struct ArtifactStream {
sender: hyper::body::Sender,
}
impl ArtifactStream {
pub fn new(sender: hyper::body::Sender) -> Self {
Self { sender }
}
}
impl tokio::io::AsyncWrite for ArtifactStream {
fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context,
buf: &[u8]
) -> Poll<Result<usize, std::io::Error>> {
match self.get_mut().sender.try_send_data(buf.to_vec().into()) {
Ok(()) => {
Poll::Ready(Ok(buf.len()))
},
_ => {
cx.waker().wake_by_ref();
Poll::Pending
}
}
}
fn poll_flush(
self: Pin<&mut Self>,
_cx: &mut Context
) -> Poll<Result<(), std::io::Error>> {
Poll::Ready(Ok(()))
}
fn poll_shutdown(
self: Pin<&mut Self>,
_cx: &mut Context
) -> Poll<Result<(), std::io::Error>> {
Poll::Ready(Ok(()))
}
}
pub struct ArtifactDescriptor {
job_id: u64,
pub artifact_id: u64,
file: File,
}
impl ArtifactDescriptor {
pub async fn new(job_id: u64, artifact_id: u64) -> Result<Self, String> {
// TODO: jobs should be a configurable path
let path = format!("artifacts/{}/{}", job_id, artifact_id);
let file = OpenOptions::new()
.read(true)
.write(true)
.create_new(true)
.open(&path)
.await
.map_err(|e| format!("couldn't open artifact file {}: {}", path, e))?;
Ok(ArtifactDescriptor {
job_id,
artifact_id,
file,
})
}
pub async fn store_all(&mut self, mut data: axum::extract::BodyStream) -> Result<(), String> {
loop {
let chunk = data.next().await;
let chunk = match chunk {
Some(Ok(chunk)) => chunk,
Some(Err(e)) => {
eprintln!("error: {:?}", e);
return Err(format!("error reading: {:?}", e));
}
None => {
eprintln!("body done?");
return Ok(());
}
};
let chunk = chunk.as_ref();
self.file.write_all(chunk).await
.map_err(|e| format!("failed to write: {:?}", e))?;
}
}
}
pub async fn forward_data(source: &mut (impl AsyncRead + Unpin), dest: &mut (impl AsyncWrite + Unpin)) -> Result<(), String> {
let mut buf = vec![0; 1024 * 1024];
loop {
let n_read = source.read(&mut buf).await
.map_err(|e| format!("failed to read: {:?}", e))?;
if n_read == 0 {
eprintln!("done reading!");
return Ok(());
}
dest.write_all(&buf[..n_read]).await
.map_err(|e| format!("failed to write: {:?}", e))?;
}
}
/*
pub async fn forward_data(source: &mut (impl AsyncRead + Unpin), dest: &mut ArtifactStream) -> Result<(), String> {
let mut buf = vec![0; 1024 * 1024];
loop {
let n_read = source.read(&mut buf).await
.map_err(|e| format!("failed to read: {:?}", e))?;
if n_read == 0 {
eprintln!("done reading!");
return Ok(());
}
dest.sender.send_data(buf[..n_read].to_vec().into()).await
.map_err(|e| format!("failed to write: {:?}", e))?;
}
}
*/
|
