we can start & stop a thread. so that's nice.

zeroidc/Cargo.toml

@@ -14,4 +14,4 @@ crate-type = ["staticlib"]
 openidconnect = "2.1.0"
 
 [build-dependencies]
-cbindgen = "0.20.0"
+cbindgen = "0.20.0"

zeroidc/src/lib.rs

@@ -1,22 +1,68 @@
+use std::sync::{Arc, Mutex};
+use std::thread::{sleep, spawn, JoinHandle};
+use std::time::Duration;
 
-#[repr(C)]
-pub struct ZeroIDC {}
+pub struct ZeroIDC {
+    inner: Arc<Mutex<Inner>>,
+}
+
+struct Inner {
+    running: bool,
+    oidc_thread: Option<JoinHandle<()>>,
+}
+
+impl ZeroIDC {
+    fn new() -> ZeroIDC {
+        ZeroIDC {
+            inner: Arc::new(Mutex::new(Inner {
+                running: false,
+                oidc_thread: None,
+            })),
+        }
+    }
+
+    fn start(&mut self) {
+        let local = Arc::clone(&self.inner);
+
+        if !(*local.lock().unwrap()).running {
+            let inner_local = Arc::clone(&self.inner);
+            (*local.lock().unwrap()).oidc_thread = Some(spawn(move || {
+                (*inner_local.lock().unwrap()).running = true;
+
+                while (*inner_local.lock().unwrap()).running {
+                    println!("tick");
+                    sleep(Duration::from_secs(1));
+                }
+
+                println!("thread done!")
+            }));
+        }
+    }
+
+    fn stop(&mut self) {
+        let local = self.inner.clone();
+        if (*local.lock().unwrap()).running {
+            if let Some(u) = (*local.lock().unwrap()).oidc_thread.take() {
+                u.join().expect("join failed");
+            }
+        }
+    }
+}
 
 #[no_mangle]
 pub extern "C" fn zeroidc_new() -> Box<ZeroIDC> {
-    Box::new(ZeroIDC{})
+    Box::new(ZeroIDC::new())
 }
 
 #[no_mangle]
 pub extern "C" fn zeroidc_delete(_: Option<Box<ZeroIDC>>) {}
 
 #[no_mangle]
-pub extern "C" fn zeroidc_start(idc: &mut ZeroIDC) {
-
+pub extern "C" fn zeroidc_start(idc: &'static mut ZeroIDC) {
+    idc.start();
 }
 
 #[no_mangle]
-pub extern "C" fn zeroidc_stop(idc: &mut ZeroIDC) {
-
+pub extern "C" fn zeroidc_stop(idc: &'static mut ZeroIDC) {
+    idc.stop();
 }
-