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Run tunnels as singleton process (for a --cli-data-dir) (#177002)

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* wip on singleton

* wip

* windows support

* wip

* wip

* fix clippy
This commit is contained in:
Connor Peet
2023-03-14 08:09:47 -07:00
committed by GitHub
parent bed3a7761e
commit 1b5fd140fb
36 changed files with 1283 additions and 311 deletions
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26
cli/src/util/io.rs
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@@ -15,6 +15,8 @@ use tokio::{
time::sleep,
};
use super::ring_buffer::RingBuffer;
pub trait ReportCopyProgress {
fn report_progress(&mut self, bytes_so_far: u64, total_bytes: u64);
}
@@ -132,8 +134,7 @@ pub fn tailf(file: File, n: usize) -> mpsc::UnboundedReceiver<TailEvent> {
// Read the initial "n" lines back from the request. initial_lines
// is a small ring buffer.
let mut initial_lines = Vec::with_capacity(n);
let mut initial_lines_i = 0;
let mut initial_lines = RingBuffer::new(n);
loop {
let mut line = String::new();
let bytes_read = match reader.read_line(&mut line) {
@@ -151,26 +152,11 @@ pub fn tailf(file: File, n: usize) -> mpsc::UnboundedReceiver<TailEvent> {
}
pos += bytes_read as u64;
if initial_lines.len() < initial_lines.capacity() {
initial_lines.push(line)
} else {
initial_lines[initial_lines_i] = line;
}
initial_lines_i = (initial_lines_i + 1) % n;
initial_lines.push(line);
}
// remove tail lines...
if initial_lines_i < initial_lines.len() {
for line in initial_lines.drain((initial_lines_i)..) {
tx.send(TailEvent::Line(line)).ok();
}
}
// then the remaining lines
if !initial_lines.is_empty() {
for line in initial_lines.drain(0..) {
tx.send(TailEvent::Line(line)).ok();
}
for line in initial_lines.into_iter() {
tx.send(TailEvent::Line(line)).ok();
}
// now spawn the poll process to keep reading new lines