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style(rust): Format all Rust code with rustfmt

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Change-Id: Iab7e00cc26a4f9727d3ab98691ef379921a33052
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5240
Tested-by: BuildkiteCI
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: tazjin <tazjin@tvl.su>
This commit is contained in:
Vincent Ambo 2022-02-07 18:49:59 +03:00 • committed by tazjin
parent 3318982f81
commit 3d8ee62087
42 changed files with 1253 additions and 876 deletions
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44
users/Profpatsch/imap-idle.rs
View file

@ -1,16 +1,16 @@
extern crate exec_helpers;
// extern crate arglib_netencode;
// extern crate netencode;
extern crate imap;
extern crate epoll;
extern crate imap;
// use netencode::dec;
use std::convert::TryFrom;
use std::io::{Read, Write};
use std::fs::File;
use std::os::unix::io::{FromRawFd, AsRawFd, RawFd};
use std::time::Duration;
use imap::extensions::idle::SetReadTimeout;
use std::convert::TryFrom;
use std::fs::File;
use std::io::{Read, Write};
use std::os::unix::io::{AsRawFd, FromRawFd, RawFd};
use std::time::Duration;
/// Implements an UCSPI client that wraps fd 6 & 7
/// and implements Write and Read with a timeout.
@ -33,7 +33,7 @@ impl UcspiClient {
read: File::from_raw_fd(6),
read_epoll_fd,
read_timeout: None,
write: File::from_raw_fd(7)
write: File::from_raw_fd(7),
})
}
}
@ -54,21 +54,23 @@ impl SetReadTimeout for UcspiClient {
impl Read for UcspiClient {
// TODO: test the epoll code with a short timeout
fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
const NO_DATA : u64 = 0;
const NO_DATA: u64 = 0;
// in order to implement the read_timeout,
// we use epoll to wait for either data or time out
epoll::ctl(
self.read_epoll_fd,
epoll::ControlOptions::EPOLL_CTL_ADD,
self.read.as_raw_fd(),
epoll::Event::new(epoll::Events::EPOLLIN, NO_DATA)
epoll::Event::new(epoll::Events::EPOLLIN, NO_DATA),
)?;
let UNUSED = epoll::Event::new(epoll::Events::EPOLLIN, NO_DATA);
let wait = epoll::wait(
self.read_epoll_fd,
match self.read_timeout {
Some(duration) => i32::try_from(duration.as_millis()).expect("duration too big for epoll"),
None => -1 // infinite
Some(duration) => {
i32::try_from(duration.as_millis()).expect("duration too big for epoll")
}
None => -1, // infinite
},
// event that was generated; but we don’t care
&mut vec![UNUSED; 1][..],
@ -79,11 +81,14 @@ impl Read for UcspiClient {
self.read_epoll_fd,
epoll::ControlOptions::EPOLL_CTL_DEL,
self.read.as_raw_fd(),
UNUSED
UNUSED,
)?;
match wait {
// timeout happened (0 events)
Ok(0) => Err(std::io::Error::new(std::io::ErrorKind::TimedOut, "ucspi read timeout")),
Ok(0) => Err(std::io::Error::new(
std::io::ErrorKind::TimedOut,
"ucspi read timeout",
)),
// its ready for reading, we can read
Ok(_) => self.read.read(buf),
// error
@ -110,18 +115,21 @@ fn main() {
let username = std::env::var("IMAP_USERNAME").expect("username");
let password = std::env::var("IMAP_PASSWORD").expect("password");
let net = unsafe {
UcspiClient::new_from_6_and_7().expect("no ucspi client for you")
};
let net = unsafe { UcspiClient::new_from_6_and_7().expect("no ucspi client for you") };
let client = imap::Client::new(net);
let mut session = client.login(username, password).map_err(|(err, _)| err).expect("unable to login");
let mut session = client
.login(username, password)
.map_err(|(err, _)| err)
.expect("unable to login");
eprintln!("{:#?}", session);
let list = session.list(None, Some("*"));
eprintln!("{:#?}", list);
let mailbox = session.examine("INBOX");
eprintln!("{:#?}", mailbox);
fn now() -> String {
String::from_utf8_lossy(&std::process::Command::new("date").output().unwrap().stdout).trim_right().to_string()
String::from_utf8_lossy(&std::process::Command::new("date").output().unwrap().stdout)
.trim_right()
.to_string()
}
loop {
eprintln!("{}: idling on INBOX", now());