fixed mishandle of ping-pong packets leaded to longer delays in response time

This commit is contained in:
Nickiel12 2024-07-02 20:19:00 -07:00
parent 8a997a3d4c
commit 58546e8432
10 changed files with 625 additions and 64 deletions

524
Cargo.lock generated
View file

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version = "0.11.0+wasi-snapshot-preview1"

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@ -27,3 +27,5 @@ tracing = "0.1.40"
tracing-subscriber = { version = "0.3.18", features = ["tracing-log"] }
tracing-appender = "0.2.3"
snafu = "0.8.2"
console-subscriber = "0.3.0"
async-recursion = "1.1.1"

View file

@ -193,7 +193,7 @@ pub async fn start_coordinator(
y_adj = y;
}
Err(e) => {
error!("Could not calculate the tracking!: {e}");
info!("Could not calculate the tracking!: {e}");
}
}

View file

@ -1,7 +1,7 @@
use std::{collections::VecDeque, time::Duration};
use async_channel::Sender;
use tracing::error;
use tracing::{error, info};
use crate::ui::GuiUpdate;

View file

@ -1,13 +1,15 @@
use std::{
sync::{atomic::Ordering, Arc, Mutex},
sync::{atomic::Ordering, Arc},
time::{Duration, Instant},
};
use async_recursion::async_recursion;
use async_channel::Sender;
use futures_util::{SinkExt, StreamExt, TryStreamExt};
use futures_util::{stream::SplitStream, SinkExt, StreamExt, TryStreamExt};
use gstreamer_app::AppSink;
use tokio::time::sleep_until;
use tokio_tungstenite::{connect_async, tungstenite::Message};
use tokio::{net::TcpStream, sync::Mutex, time::sleep_until};
use tokio_tungstenite::{connect_async, tungstenite::Message, MaybeTlsStream, WebSocketStream};
use tracing::{error, info, instrument, warn};
use super::{
@ -48,13 +50,7 @@ pub async fn remote_video_loop(
last_iter = Instant::now();
// Do this in an encloser to not keep a lock on the appsink
let image_message = match {
let appsnk = match appsink.lock() {
Ok(e) => e,
Err(e) => {
error!("Unrecoverable error: Could not get a lock on the appsink in remote video loop {e}");
return;
}
};
let appsnk = appsink.lock().await;
get_video_frame(&appsnk)
} {
@ -79,37 +75,10 @@ pub async fn remote_video_loop(
break;
}
match recvr.try_next().await {
Ok(Some(message)) => {
match process_incoming_string(message.to_string()) {
Ok(v) => {
if let Err(e) = to_mec
.send(ApplicationEvent::TrackerUpdate(TrackerUpdate::Update(
TrackerUpdatePackage {
boxes: v,
time: Instant::now(),
request_duration: Instant::now() - last_iter,
},
)))
.await
{
error!("Could not send to MEC! {e}");
break;
}
}
Err(e) => {
error!("Could not parse incoming string! {e}");
}
};
}
Ok(None) => {
info!("Recieved an empty message from the remote computer: Aborting");
break;
}
Err(e) => {
error!("Got an error on while recieving from remote computer: {e}");
}
}
let do_not_break = handle_message(&mut recvr, &to_mec, last_iter).await;
if !do_not_break { break; }
if !socket_state.stay_connected.load(Ordering::SeqCst) {
info!("Shutting down remote video loop");
@ -117,7 +86,6 @@ pub async fn remote_video_loop(
}
// rate limit updates
// prevent starving the GUI thread's lock on the tracker state
sleep_until(tokio::time::Instant::now() + Duration::from_millis(10)).await;
}
}
@ -159,3 +127,69 @@ fn get_video_frame(appsink: &AppSink) -> Result<Message, String> {
.map_err(|e| format!("Could not get readable map: {e}"))?;
Ok(Message::binary(map.to_vec()))
}
#[async_recursion]
async fn handle_message(
recvr: &mut SplitStream<WebSocketStream<MaybeTlsStream<TcpStream>>>,
to_mec: &Sender<ApplicationEvent>,
last_iter: Instant,
) -> bool {
match recvr.try_next().await {
Ok(Some(message)) => {
match message {
Message::Close(_) => {
info!("Close packet received from remote computer: {:?}", message);
return false;
}
Message::Pong(_) | Message::Frame(_) | Message::Text(_) => {
warn!("There was an unhandled message type from the camera: {}\n{}", message, message.to_string());
// this was not the expected response, recursion!
return handle_message(recvr, to_mec, last_iter).await;
}
Message::Ping(content) => {
if let Err(e) = to_mec.send(ApplicationEvent::SocketMessage(Message::Pong(content))).await {
error!("Video processor could not send message to MEC, exiting: {e}");
return false;
}
// this was not the expected response, recursion!
return handle_message(recvr, to_mec, last_iter).await;
}
Message::Binary(bin) => {
let message = std::str::from_utf8(&bin);
if let Err(e) = message {
error!("Could not decode binary message! Assuming corrupted response! {e}");
}
match process_incoming_string(message.unwrap().to_string()) {
Ok(v) => {
if let Err(e) = to_mec
.send(ApplicationEvent::TrackerUpdate(TrackerUpdate::Update(
TrackerUpdatePackage {
boxes: v,
time: Instant::now(),
request_duration: Instant::now() - last_iter,
},
)))
.await
{
error!("Could not send to MEC! {e}");
return false;
}
}
Err(e) => {
error!("Could not parse incoming string! {}\n{}", e, message.unwrap());
}
};
}
}
}
Ok(None) => {
info!("Recieved an empty message from the remote computer: Aborting");
return false;
}
Err(e) => {
error!("Got an error on while recieving from remote computer: {e}");
}
}
return true;
}

View file

@ -38,6 +38,8 @@ impl TrackerState {
self.identity_boxes = new_boxes;
}
// TODO: have a return type that says "highlighted ID not found" and "no highlighted id selected"
// It's not really worth logging...
pub fn calculate_tracking(&mut self) -> core::result::Result<(i32, i32, bool), String> {
if let Some(target_box) = self
.identity_boxes

View file

@ -4,7 +4,8 @@ use gstreamer_app::AppSink;
use gtk::glib::BoolError;
use snafu::prelude::*;
use std::str::FromStr;
use std::sync::{Arc, Mutex};
use std::sync::Arc;
use tokio::sync::Mutex;
#[derive(Debug)]
pub struct WebcamPipeline {
@ -88,7 +89,7 @@ impl WebcamPipeline {
let sink_frame = AppSink::builder()
.name("frame_appsink")
.sync(false)
.max_buffers(3u32)
.max_buffers(1u32)
.drop(true)
.caps(&appsrc_caps)
.build();

View file

@ -3,6 +3,8 @@ use gtk::{glib, Application};
use std::{env, sync::Arc};
use tokio::{runtime, sync::RwLock};
use tracing::{self, info, Level};
#[cfg(not(debug_assertions))]
use tracing_subscriber;
use crate::config::{load_config, AppConfig};
@ -19,14 +21,20 @@ fn main() -> glib::ExitCode {
// set the environment var to make gtk use window's default action bar
env::set_var("gtk_csd", "0");
// #[cfg(not(debug_assertions))]
let file_appender = tracing_appender::rolling::daily(".\\logs", "camera-controller");
let (non_blocking, _gaurd) = tracing_appender::non_blocking(file_appender);
tracing_subscriber::fmt()
.with_writer(non_blocking)
.with_max_level(tracing::Level::DEBUG)
.with_ansi(false)
.init();
#[cfg(not(debug_assertions))]
{
let file_appender = tracing_appender::rolling::daily(".\\logs", "camera-controller");
let (non_blocking, _gaurd) = tracing_appender::non_blocking(file_appender);
tracing_subscriber::fmt()
.with_writer(non_blocking)
.with_max_level(tracing::Level::DEBUG)
.with_ansi(false)
.init();
}
#[cfg(debug_assertions)]
{
console_subscriber::init();
}
let span = tracing::span!(Level::TRACE, "main");
let _enter = span.enter();

View file

@ -1,6 +1,6 @@
use std::{
net::SocketAddr,
sync::{atomic::Ordering, Arc, Mutex},
sync::{atomic::Ordering, Arc},
};
use async_channel::Sender;

View file

@ -3,7 +3,7 @@ use std::sync::Arc;
use gtk::glib::{self, clone};
use gtk::{
prelude::{BoxExt, ButtonExt, EditableExt, GtkWindowExt},
Application, ApplicationWindow, Box, Button, Entry, Label, Window,
Application, ApplicationWindow, Button, Entry, Label, Window,
};
use log::{error, info};
use tokio::runtime::Handle;
@ -13,8 +13,6 @@ use crate::config::{save_config, AppConfig};
pub struct ConnectionsModal {
pub window: Window,
pub top_level: Box,
}
impl ConnectionsModal {
@ -158,8 +156,6 @@ impl ConnectionsModal {
ConnectionsModal {
window,
top_level: main_box,
}
}
}