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cool-mist
2026-09-01 23:05:28 +05:30
parent 0c3b9cce91
commit 4f16028f04
9 changed files with 284 additions and 18 deletions
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Cargo.lock
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Cargo.toml
+3
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@@ -3,3 +3,6 @@ members = [
"crates/*"
]
resolver = "2"
[workspace.dependencies]
tracing = "0.1.44"
crates/hd-bus/Cargo.toml
+2
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@@ -4,3 +4,5 @@ version = "0.1.0"
edition = "2024"
[dependencies]
tracing = { workspace = true }
tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
crates/hd-bus/src/bin/server.rs
+19 -3
View File
@@ -1,10 +1,26 @@
use std::{sync::Arc, thread, time::Duration};
use hd_bus::{TcpEventBus, bus::EventData, error::HError};
use tracing::info_span;
fn main() -> Result<(), HError> {
let server = TcpEventBus::new();
tracing_subscriber::fmt()
.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
.init();
let addr = "0.0.0.0:21368";
let _scope = info_span!("example_server").entered();
let server = Arc::new(TcpEventBus::new());
server.publish(EventData::new(1, "Hello"))?;
server.publish(EventData::new(1, "World"))?;
let addr = "0.0.0.0:21368";
server.start(addr)
let server_clone = server.clone();
thread::spawn(move || server.start(addr));
for i in 0..255 {
thread::sleep(Duration::from_secs(5));
server_clone.publish(EventData::new(i, "asd"))?;
}
Ok(())
}
crates/hd-bus/src/bus.rs
+6 -3
View File
@@ -1,3 +1,5 @@
use tracing::{info, info_span};
use crate::error::HError;
use std::{
sync::{
@@ -91,7 +93,7 @@ impl EventBus {
for s in &bus.subscription_handles {
if let Err(e) = s.new_event_signal.send(1) {
eprintln!("Failed to notify subscription with id {} - {}", s.id, e);
tracing::error!("Failed to notify {}", e);
}
}
@@ -191,11 +193,12 @@ impl Subscription {
fn start_delivery(mut subscription: Subscription, bus: EventBus) -> JoinHandle<Result<(), HError>> {
thread::spawn(move || {
loop {
let _scope = info_span!("subscription_delivery", subscription.id).entered();
loop {
if let Ok(evt) = bus.get_next_event(subscription.cursor) {
eprintln!("Delivering event {} to subscription {}", evt.id, subscription.id);
info!("Delivering event {} ", evt.id);
if let Err(e) = subscription.client.send(evt) {
eprintln!("Subscription delivery for id {} failed {}", subscription.id, e);
tracing::error!("Event delivery for id {} failed {}", subscription.id, e);
return Ok(());
}
crates/hd-bus/src/connection.rs
+15 -8
View File
@@ -5,6 +5,8 @@ use std::{
time::Duration,
};
use tracing::{Span, info, info_span};
use crate::{
bus::{Event, EventBus},
error::HError,
@@ -56,18 +58,27 @@ pub fn handle_event_bus_client(thread_pool: &ThreadPool, bus: EventBus, stream:
thread_pool.execute(move || {
let mut client = EventBusClientConnection::new(bus, stream)?;
let _scope = info_span!(
"handle_event_bus_client",
addr = client.addr,
state = %client.state
)
.entered();
loop {
if let EventBusClientConnectionState::Disconnect = client.state {
eprintln!("[{}] Closing connection due to invalid input", client.addr);
info!("Closing connection due to invalid input");
return Ok(());
}
let prev_state = client.state;
handle_event_bus_client_state(&mut client)
.inspect_err(|e| eprintln!("[{}] Closing connection due to error {}", client.addr, e))?;
.inspect_err(|e| info!("Closing connection due to error {}", e))?;
if prev_state != client.state {
println!("[{}] State change {} -> {}", client.addr, prev_state, client.state);
info!("State change {} -> {}", prev_state, client.state);
}
Span::current().record("state", format!("{}", client.state));
}
})
}
@@ -118,11 +129,7 @@ fn handle_state_send_event(client: &mut EventBusClientConnection) -> Result<Even
buf[i] = evt.data.data_utf8[i - 17];
}
print!("Sending message : ");
for i in &buf {
print!("{} ", i);
}
println!("End");
info!("SEND => ID: {} TYPE: {} LEN: {} <=", evt.id, evt.data.event_type, data_len);
let stream = &mut client.stream;
stream.write(&mut buf).map_err(HError::TcpPeerError)?;
crates/hd-bus/src/lib.rs
+4 -2
View File
@@ -3,6 +3,8 @@ mod connection;
pub mod error;
mod thread_pool;
use tracing::{Level, event, info, span};
use crate::{
bus::{EventBus, EventData},
connection::handle_event_bus_client,
@@ -33,11 +35,11 @@ impl TcpEventBus {
impl TcpEventBus {
pub fn start(&self, addr: &'static str) -> Result<(), HError> {
let listener = TcpListener::bind(addr).map_err(HError::TcpSocketBindError)?;
println!("EventBus listening for TCP packets at {}", addr);
info!("Heimdall listening at {}", addr);
for stream in listener.incoming() {
match stream {
Ok(stream) => handle_event_bus_client(&self.pool, self.bus.clone(), stream)?,
Err(e) => eprintln!("{}", e),
Err(e) => tracing::error!("TCP connection failed {}", e),
}
}
crates/hd-bus/src/thread_pool.rs
+6 -2
View File
@@ -6,6 +6,8 @@ use std::{
thread::{self, JoinHandle},
};
use tracing::{Level, event, info, span};
use crate::error::HError;
pub struct ThreadPool {
@@ -47,11 +49,13 @@ impl ThreadPool {
fn worker_thread(id: usize, rx: Arc<Mutex<Receiver<Job>>>) -> Worker {
let handle = thread::spawn(move || {
let s = span!(Level::INFO, "worker_thread", id = 1);
let _scope = s.enter();
loop {
let job = rx.lock().unwrap().recv().unwrap(); // Lock is released here
println!("Worker [{}] received a new job, executing", id);
info!("Received a new job, executing");
(job.f)().unwrap(); // TODO: Panic recovery
println!("Worker [{}] finished executing job", id);
info!("Finished executing job");
}
});
crates/hd-client/Cargo.toml
+1
View File
@@ -4,3 +4,4 @@ version = "0.1.0"
edition = "2024"
[dependencies]
tracing = { workspace = true }