Send messages to syslog on init and device registration

Cargo.lock

@@ -64,6 +64,7 @@ dependencies = [
  "devfs_rpc",
  "fs_rpc",
  "parking_lot",
+ "syslog_rpc",
  "vfs_rpc",
 ]
 
@@ -265,6 +266,22 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syslog_rpc"
+version = "0.1.0"
+dependencies = [
+ "parking_lot",
+ "postcard",
+ "syslog_structs",
+]
+
+[[package]]
+name = "syslog_structs"
+version = "0.1.0"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"

Cargo.toml

@@ -8,6 +8,7 @@ dev_driver_rpc = { version = "0.1.0", path = "../dev_driver_rpc" }
 devfs_rpc = { version = "0.1.0", path = "devfs_rpc" }
 fs_rpc = { version = "0.1.0", path = "../fs_rpc" }
 parking_lot = "0.12.3"
+syslog_rpc = { version = "0.1.0", path = "../syslog/syslog_rpc" }
 vfs_rpc = { version = "0.1.0", path = "../vfs/vfs_rpc" }
 
 [workspace]

src/main.rs

@@ -5,6 +5,7 @@ use parking_lot::RwLock;
 #[derive(Debug, Clone)]
 struct Serv {
     devices: Arc<RwLock<HashMap<String, u64>>>,
+    syslog_client: syslog_rpc::Client,
 }
 
 impl fs_rpc::Server for Serv {
@@ -23,13 +24,28 @@ impl fs_rpc::Server for Serv {
 impl devfs_rpc::Server for Serv {
     fn register_dev(&self, from: u64, name: &str) -> Result<(), ()> {
         self.devices.write().insert(name.to_owned(), from);
+        self.syslog_client.send_text_binary_message(
+            "devfs", 
+            format!("PID {} registered device {}", from, name), 
+            1, 
+            name.as_bytes().to_vec()
+            ).unwrap();
         Ok(())
     }
 }
 
 fn main() {
+    let syslog_pid;
+    loop {
+        if let Some(pid) = syscalls::try_get_registered(2) {
+            syslog_pid = pid;
+            break;
+        }
+    }
+    let syslog_client = syslog_rpc::Client::new(syslog_pid);
     let serv = Serv {
-        devices: Arc::new(RwLock::new(HashMap::new()))
+        devices: Arc::new(RwLock::new(HashMap::new())),
+        syslog_client,
     };
     fs_rpc::register_server(Box::new(serv.clone()));
     devfs_rpc::register_server(Box::new(serv));
@@ -42,6 +58,7 @@ fn main() {
     }
     vfs_rpc::Client::new(vfs_pid).register_fs("devfs").unwrap();
     syscalls::register(1);
+    syslog_client.send_text_binary_message("devfs", "Devfs initialized", 0, &[]).unwrap();
     loop {
         ipc::process_messages()
     }