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xpc: refactor, less chatty logging

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This commit is contained in:
James Magahern
2025-08-24 15:34:05 -07:00
parent a93a773071
commit 73508bea9e
1 changed files with 47 additions and 49 deletions
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34
kordophoned/src/xpc/agent.rs
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@@ -6,7 +6,6 @@ use std::ffi::CString;
use std::os::raw::c_char;
use std::ptr;
use std::sync::Arc;
use std::thread;
use tokio::sync::{mpsc, oneshot, Mutex};
use xpc_connection::{message_to_xpc_object, xpc_object_to_message, Message, MessageError};
use xpc_connection_sys as xpc_sys;
@@ -20,6 +19,8 @@ struct XpcConn(pub xpc_sys::xpc_connection_t);
unsafe impl Send for XpcConn {}
unsafe impl Sync for XpcConn {}
type Subscribers = Arc<std::sync::Mutex<Vec<XpcConn>>>;
/// XPC IPC agent that forwards daemon events and signals over libxpc.
#[derive(Clone)]
pub struct XpcAgent {
@@ -37,9 +38,6 @@ impl XpcAgent {
pub async fn run(self) {
use block::ConcreteBlock;
use std::ops::Deref;
use std::sync::Mutex as StdMutex;
log::info!(target: LOG_TARGET, "XPCAgent running");
// Construct the Mach service name without a trailing NUL for CString.
let service_name = SERVICE_NAME.trim_end_matches('\0');
@@ -67,7 +65,7 @@ impl XpcAgent {
};
// Shared list of connected clients for signal fanout
let connections: Arc<StdMutex<Vec<XpcConn>>> = Arc::new(StdMutex::new(Vec::new()));
let connections: Subscribers = Arc::new(std::sync::Mutex::new(Vec::new()));
// Forward daemon signals to all connected clients
{
let receiver_arc = self.signal_receiver.clone();
@@ -79,13 +77,13 @@ impl XpcAgent {
.take()
.expect("Signal receiver already taken");
while let Some(signal) = receiver.recv().await {
log::info!(target: LOG_TARGET, "Broadcasting signal: {:?}", signal);
log::trace!(target: LOG_TARGET, "Broadcasting signal: {:?}", signal);
let msg = signal_to_message(signal);
let xobj = unsafe { message_to_xpc_object(msg) };
let xobj = message_to_xpc_object(msg);
let list = conns.lock().unwrap();
log::info!(target: LOG_TARGET, "Active XPC clients: {}", list.len());
log::trace!(target: LOG_TARGET, "Active XPC clients: {}", list.len());
for c in list.iter() {
log::info!(target: LOG_TARGET, "Sending signal to client");
log::trace!(target: LOG_TARGET, "Sending signal to client");
unsafe { xpc_sys::xpc_connection_send_message(c.0, xobj) };
}
unsafe { xpc_sys::xpc_release(xobj) };
@@ -111,7 +109,7 @@ impl XpcAgent {
// Treat incoming events as connections; ignore others
// We detect connections by trying to set a per-connection handler.
let client = event as xpc_sys::xpc_connection_t;
log::info!(target: LOG_TARGET, "New XPC connection accepted");
log::trace!(target: LOG_TARGET, "New XPC connection accepted");
// Do not register for signals until the client explicitly subscribes
// Per-connection handler
@@ -119,26 +117,27 @@ impl XpcAgent {
let rt_conn = rt_accept.clone();
let conns_for_handler = conns_accept.clone();
let conn_handler = ConcreteBlock::new(move |msg: xpc_sys::xpc_object_t| {
unsafe {
// Convert to higher-level Message for type matching
match xpc_object_to_message(msg) {
Message::Dictionary(map) => {
// Trace inbound method
let method = dict_get_str(&map, "method").or_else(|| dict_get_str(&map, "type")).unwrap_or_else(|| "<unknown>".to_string());
log::info!(target: LOG_TARGET, "XPC request received: {}", method);
log::trace!(target: LOG_TARGET, "XPC request received: {}", method);
let response = rt_conn.block_on(dispatch(&agent_conn, &conns_for_handler, client, &map));
let reply = xpc_sys::xpc_dictionary_create_reply(msg);
let reply = unsafe { xpc_sys::xpc_dictionary_create_reply(msg) };
if !reply.is_null() {
let payload = message_to_xpc_object(response);
let apply_block = ConcreteBlock::new(move |key: *const c_char, value: xpc_sys::xpc_object_t| {
xpc_sys::xpc_dictionary_set_value(reply, key, value);
unsafe { xpc_sys::xpc_dictionary_set_value(reply, key, value); }
})
.copy();
unsafe {
xpc_sys::xpc_dictionary_apply(payload, apply_block.deref() as *const _ as *mut _);
xpc_sys::xpc_connection_send_message(client, reply);
xpc_sys::xpc_release(payload);
xpc_sys::xpc_release(reply);
log::info!(target: LOG_TARGET, "XPC reply sent for method: {}", method);
}
log::trace!(target: LOG_TARGET, "XPC reply sent for method: {}", method);
} else {
log::warn!(target: LOG_TARGET, "No reply port for method: {}", method);
}
@@ -152,7 +151,7 @@ impl XpcAgent {
list.retain(|c| c.0 != client);
let after = list.len();
if after < before {
log::info!(target: LOG_TARGET, "Removed closed XPC client from subscribers ({} -> {})", before, after);
log::trace!(target: LOG_TARGET, "Removed closed XPC client from subscribers ({} -> {})", before, after);
} else {
log::debug!(target: LOG_TARGET, "XPC connection closed (no subscription)");
}
@@ -164,7 +163,6 @@ impl XpcAgent {
}
_ => {}
}
}
})
.copy();
@@ -616,7 +614,7 @@ async fn dispatch(
// Avoid duplicates
if !list.iter().any(|c| c.0 == current_client) {
list.push(XpcConn(current_client));
log::info!(target: LOG_TARGET, "Client subscribed to signals (total subscribers: {})", list.len());
log::trace!(target: LOG_TARGET, "Client subscribed to signals (total subscribers: {})", list.len());
}
make_ok_reply()
},