use hippotat::prelude::*;
use hippotat_macros::into_crlfs;
-const MAX_BATCH_DOWN_RESP_OVERHEAD: usize = 10_000;
-
#[derive(StructOpt,Debug)]
pub struct Opts {
- /// Increase debug level
- #[structopt(long, short="D", parse(from_occurrences))]
- debug: usize,
+ #[structopt(flatten)]
+ log: LogOpts,
#[structopt(flatten)]
config: config::Opts,
reporter: &'c parking_lot::Mutex<Reporter<'c>>,
}
+#[derive(Debug)]
+struct TxQueued {
+ expires: Instant,
+ data: Box<[u8]>,
+}
+
#[throws(AE)]
fn submit_request<'r, 'c:'r, C:HCC>(
c: &'c ClientContext<C>,
.saturating_add(Duration::from_nanos(999_999_999))
.as_secs();
- let time_t = SystemTime::now()
- .duration_since(UNIX_EPOCH)
- .unwrap_or_else(|_| Duration::default()) // clock is being weird
- .as_secs();
+ let time_t = time_t_now();
let time_t = format!("{:x}", time_t);
let hmac = token_hmac(c.ic.secret.0.as_bytes(), time_t.as_bytes());
+ //dbg!(DumpHex(&hmac));
let mut token = time_t;
write!(token, " ").unwrap();
base64::encode_config_buf(&hmac, BASE64_CONFIG, &mut token);
{}
{}
{}
+ {}
+ {}
{}"#),
&c.ic.link.client,
token,
c.ic.target_requests_outstanding,
show_timeout,
+ c.ic.mtu,
c.ic.max_batch_down,
+ c.ic.max_batch_up,
);
let prefix2 = format!(into_crlfs!(
as_ref,
).map(|b| b.len()).sum();
- trace!("{} #{}: req; tx bytes={} frames={}",
+ trace!("{} #{}: req; tx body_len={} frames={}",
&c.ic, req_num, body_len, upbound.len());
let body = hyper::body::Body::wrap_stream(
let r = async { tokio::time::timeout( c.ic.effective_http_timeout, async {
let resp = resp.await.context("make request")?;
let status = resp.status();
- let resp = resp.into_body();
- let max_body = c.ic.max_batch_down.sat() + MAX_BATCH_DOWN_RESP_OVERHEAD;
- let resp = read_limited_body(max_body, resp).await?;
+ let mut resp = resp.into_body();
+ let max_body = c.ic.max_batch_down.sat() + MAX_OVERHEAD;
+ let resp = read_limited_bytes(
+ max_body, default(), default(), &mut resp
+ ).await
+ .discard_data().context("fetching response body")?;
if ! status.is_success() {
throw!(anyhow!("HTTP error status={} body={:?}",
ic: &ic,
};
- let mut ipif = tokio::process::Command::new("sh")
- .args(&["-c", &ic.ipif])
- .stdin (process::Stdio::piped())
- .stdout(process::Stdio::piped())
- .stderr(process::Stdio::piped())
- .kill_on_drop(true)
- .spawn().context("spawn ipif")?;
-
- let stderr = ipif.stderr.take().unwrap();
- let ic_name = ic.to_string();
- let _ = task::spawn(async move {
- let mut stderr = tokio::io::BufReader::new(stderr).lines();
- while let Some(l) = stderr.next_line().await? {
- error!("{}: ipif stderr: {}", &ic_name, l.trim_end());
- }
- Ok::<_,io::Error>(())
- });
+ let mut ipif = Ipif::start(&ic.ipif, Some(ic.to_string()))?;
let mut req_num: ReqNum = 0;
- let tx_stream = ipif.stdout.take().unwrap();
- let mut rx_stream = ipif.stdin .take().unwrap();
-
- let mut tx_stream = tokio::io::BufReader::new(tx_stream).split(SLIP_END);
- let mut packets: VecDeque<Box<[u8]>> = default();
+ let mut tx_queue: VecDeque<TxQueued> = default();
let mut upbound = Frames::default();
let mut reqs: Vec<OutstandingRequest>
let mut rx_queue: FrameQueue = default();
- // xxx check that ic settings are all honoured
-
- async {
+ let trouble = async {
loop {
let rx_queue_space =
if rx_queue.remaining() < ic.max_batch_down.sat() {
};
select! {
- y = rx_stream.write_all_buf(&mut rx_queue),
+ biased;
+
+ y = ipif.rx.write_all_buf(&mut rx_queue),
if ! rx_queue.is_empty() =>
{
let () = y.context("write rx data to ipif")?;
},
- data = tx_stream.next_segment(),
- if packets.is_empty() =>
+ () = async {
+ let expires = tx_queue.front().unwrap().expires;
+ tokio::time::sleep_until(expires).await
+ },
+ if ! tx_queue.is_empty() =>
{
- let data =
- data.context("read from ipif")?
- .ok_or_else(|| io::Error::from(io::ErrorKind::UnexpectedEof))?;
+ let _ = tx_queue.pop_front();
+ },
+
+ data = ipif.tx.next_segment(),
+ if tx_queue.is_empty() =>
+ {
+ let data = (||{
+ data?.ok_or_else(|| io::Error::from(io::ErrorKind::UnexpectedEof))
+ })().context("read from ipif")?;
//eprintln!("data={:?}", DumpHex(&data));
match check1(Slip2Mime, ic.mtu, &data, |header| {
- let addr = ip_packet_addr::<false>(header)?;
- if addr != ic.link.client.0 { throw!(PE::Src(addr)) }
+ let saddr = ip_packet_addr::<false>(header)?;
+ if saddr != ic.link.client.0 { throw!(PE::Src(saddr)) }
Ok(())
}) {
- Ok(packet) => packets.push_back(packet),
+ Ok((data, ())) => tx_queue.push_back(TxQueued {
+ data,
+ expires: Instant::now() + ic.max_queue_time
+ }),
Err(PE::Empty) => { },
Err(e@ PE::Src(_)) => debug!("{}: tx discarding: {}", &ic, e),
Err(e) => error!("{}: tx discarding: {}", &ic, e),
_ = async { },
if ! upbound.tried_full() &&
- ! packets.is_empty() =>
+ ! tx_queue.is_empty() =>
{
- while let Some(packet) = packets.pop_front() {
- match upbound.add(ic.max_batch_up, packet.into()/*todo:504*/) {
- Err(packet) => { packets.push_front(packet.into()/*todo:504*/); break; }
+ while let Some(TxQueued { data, expires }) = tx_queue.pop_front() {
+ match upbound.add(ic.max_batch_up, data.into()/*todo:504*/) {
+ Err(data) => {
+ tx_queue.push_front(TxQueued { data: data.into(), expires });
+ break;
+ }
Ok(()) => { },
}
}
reqs.swap_remove(goti);
if let Some(got) = got {
- reporter.lock().success();
+
//eprintln!("got={:?}", DumpHex(&got));
- checkn(SlipNoConv,ic.mtu, &got, &mut rx_queue, |header| {
+ match checkn(SlipNoConv,ic.mtu, &got, |header| {
let addr = ip_packet_addr::<true>(header)?;
if addr != ic.link.client.0 { throw!(PE::Dst(addr)) }
Ok(())
- }, |e| error!("{} #{}: rx discarding: {}", &ic, req_num, e));
-
+ }, |o| Ok({ rx_queue.push(o); }),
+ |e| error!("{} #{}: rx discarding: {}", &ic, req_num, e))
+ {
+ Ok(()) => reporter.lock().success(),
+ Err(ErrorOnlyBad) => {
+ reqs.push(Box::pin(async {
+ tokio::time::sleep(ic.http_retry).await;
+ None
+ }));
+ },
+ }
}
},
},
}
}
- }.await
+ }.await;
+
+ ipif.quitting(Some(&ic)).await;
+ trouble
}
#[tokio::main]
-async fn main() -> Result<(), AE> {
+async fn main() {
let opts = Opts::from_args();
-
- let ics = config::read(&opts.config, LinkEnd::Client)?;
- if ics.is_empty() { throw!(anyhow!("no associations with server(s)")); }
-
- {
- let env = env_logger::Env::new()
- .filter("HIPPOTAT_LOG")
- .write_style("HIPPOTAT_LOG_STYLE");
-
- let mut logb = env_logger::Builder::new();
- logb.filter(Some("hippotat"),
- *[ log::LevelFilter::Info,
- log::LevelFilter::Debug ]
- .get(opts.debug)
- .unwrap_or(
- &log::LevelFilter::Trace
- ));
- logb.parse_env(env);
- logb.init();
- }
+ let (ics,) = config::startup("hippotat", LinkEnd::Client,
+ &opts.config, &opts.log, |ics|Ok((ics,)));
let https = HttpsConnector::new();
- let hclient = hyper::Client::builder().build::<_, hyper::Body>(https);
+ let hclient = hyper::Client::builder()
+ .http1_preserve_header_case(true)
+ .build::<_, hyper::Body>(https);
let hclient = Arc::new(hclient);
info!("starting");
});
match join.await {
Ok(e) => {
- error!("{} failed: {:?}", &assocname, e);
+ error!("{} failed: {}", &assocname, e);
},
Err(je) => {
error!("{} panicked!", &assocname);