Implement native AgentManager services (#59)

crates/libremetaverse/src/client_core.rs

@@ -117,6 +117,7 @@ struct ClientRuntime {
     http_caps_client: Mutex<crate::caps_http::HttpCapsClient>,
     caps_rate_limiter: Mutex<crate::caps_http::CapsRateLimiter>,
     network_manager: Mutex<std::sync::Weak<crate::network_manager::NetworkManagerInner>>,
+    agent_manager: Mutex<std::sync::Weak<crate::agent_manager::AgentManagerInner>>,
     shutdown_complete: Condvar,
     shutdown_wait: Mutex<()>,
 }
@@ -144,6 +145,7 @@ impl ClientRuntime {
             http_caps_client: Mutex::new(http_caps_client),
             caps_rate_limiter: Mutex::new(caps_rate_limiter),
             network_manager: Mutex::new(std::sync::Weak::new()),
+            agent_manager: Mutex::new(std::sync::Weak::new()),
             shutdown_complete: Condvar::new(),
             shutdown_wait: Mutex::new(()),
         }
@@ -242,11 +244,24 @@ impl ClientRuntime {
 /// Construction is side-effect free: it creates no runtime, task, socket, or
 /// HTTP request. Network-facing services are attached explicitly and are owned
 /// until ordered shutdown or drop.
-#[derive(Clone)]
 pub struct GridClient {
     pub(crate) settings: Settings,
     pub(crate) time_provider: TimeProvider,
     runtime: Arc<ClientRuntime>,
+    network_manager: Option<crate::NetworkManager>,
+    agent_manager: Option<Box<crate::agent_manager::AgentManager>>,
+}
+
+impl Clone for GridClient {
+    fn clone(&self) -> Self {
+        Self {
+            settings: self.settings.clone(),
+            time_provider: self.time_provider.clone(),
+            runtime: Arc::clone(&self.runtime),
+            network_manager: self.network_manager.clone(),
+            agent_manager: None,
+        }
+    }
 }
 
 #[cfg(test)]
@@ -353,6 +368,9 @@ impl GridClient {
     }
 
     pub(crate) fn native_network(&self) -> Result<crate::NetworkManager, crate::Error> {
+        if let Some(manager) = &self.network_manager {
+            return Ok(manager.clone());
+        }
         let mut cached = self
             .runtime
             .network_manager
@@ -369,12 +387,44 @@ impl GridClient {
     }
 
     #[allow(clippy::needless_pass_by_value)] // The mapped C# property setter owns its value.
-    pub(crate) fn native_set_network(&self, value: crate::NetworkManager) {
+    pub(crate) fn native_set_network(&mut self, value: crate::NetworkManager) {
         *self
             .runtime
             .network_manager
             .lock()
             .unwrap_or_else(std::sync::PoisonError::into_inner) = value.native_inner_weak();
+        self.network_manager = Some(value);
+    }
+
+    pub(crate) fn native_self(&mut self) -> &mut crate::agent_manager::AgentManager {
+        if self.agent_manager.is_none() {
+            let client = Arc::new(self.clone());
+            let manager = crate::agent_manager::AgentManager::native_new(Some(client))
+                .unwrap_or_else(|_| panic!("failed to construct AgentManager"));
+            self.agent_manager = Some(Box::new(manager));
+        }
+        self.agent_manager.as_deref_mut().expect("agent manager")
+    }
+
+    pub(crate) fn cached_agent_manager_inner(
+        &self,
+    ) -> Option<Arc<crate::agent_manager::AgentManagerInner>> {
+        self.runtime
+            .agent_manager
+            .lock()
+            .unwrap_or_else(std::sync::PoisonError::into_inner)
+            .upgrade()
+    }
+
+    pub(crate) fn cache_agent_manager_inner(
+        &self,
+        inner: &Arc<crate::agent_manager::AgentManagerInner>,
+    ) {
+        *self
+            .runtime
+            .agent_manager
+            .lock()
+            .unwrap_or_else(std::sync::PoisonError::into_inner) = Arc::downgrade(inner);
     }
 
     pub(crate) fn native_set_caps_rate_limiter(
@@ -416,7 +466,7 @@ impl fmt::Debug for GridClient {
             .field("lifecycle_state", &self.lifecycle_state())
             .field("services", &service_names)
             .field("time_provider", &self.time_provider)
-            .finish()
+            .finish_non_exhaustive()
     }
 }
 
@@ -527,6 +577,8 @@ impl GridClientBuilder {
                 http_caps_client,
                 caps_rate_limiter,
             )),
+            network_manager: None,
+            agent_manager: None,
         })
     }
 }