bug fixes

veilid-core/src/veilid_api/debug.rs

@@ -541,6 +541,9 @@ impl VeilidAPI {
             NetworkResult::Timeout => {
                 return Ok("Timeout".to_owned());
             }
+            NetworkResult::ServiceUnavailable => {
+                return Ok("ServiceUnavailable".to_owned());
+            }
             NetworkResult::NoConnection(e) => {
                 return Ok(format!("NoConnection({})", e));
             }

veilid-core/src/veilid_api/error.rs

@@ -8,6 +8,14 @@ macro_rules! apibail_timeout {
     };
 }
 
+#[allow(unused_macros)]
+#[macro_export]
+macro_rules! apibail_try_again {
+    () => {
+        return Err(VeilidAPIError::try_again())
+    };
+}
+
 #[allow(unused_macros)]
 #[macro_export]
 macro_rules! apibail_generic {
@@ -95,6 +103,8 @@ pub enum VeilidAPIError {
     AlreadyInitialized,
     #[error("Timeout")]
     Timeout,
+    #[error("TryAgain")]
+    TryAgain,
     #[error("Shutdown")]
     Shutdown,
     #[error("Key not found: {key}")]
@@ -131,6 +141,9 @@ impl VeilidAPIError {
     pub fn timeout() -> Self {
         Self::Timeout
     }
+    pub fn try_again() -> Self {
+        Self::TryAgain
+    }
     pub fn shutdown() -> Self {
         Self::Shutdown
     }

veilid-core/src/veilid_api/routing_context.rs

@@ -153,6 +153,7 @@ impl RoutingContext {
         let answer = match rpc_processor.rpc_call_app_call(dest, request).await {
             Ok(NetworkResult::Value(v)) => v,
             Ok(NetworkResult::Timeout) => apibail_timeout!(),
+            Ok(NetworkResult::ServiceUnavailable) => apibail_try_again!(),
             Ok(NetworkResult::NoConnection(e)) | Ok(NetworkResult::AlreadyExists(e)) => {
                 apibail_no_connection!(e);
             }
@@ -181,6 +182,7 @@ impl RoutingContext {
         match rpc_processor.rpc_call_app_message(dest, message).await {
             Ok(NetworkResult::Value(())) => {}
             Ok(NetworkResult::Timeout) => apibail_timeout!(),
+            Ok(NetworkResult::ServiceUnavailable) => apibail_try_again!(),
             Ok(NetworkResult::NoConnection(e)) | Ok(NetworkResult::AlreadyExists(e)) => {
                 apibail_no_connection!(e);
             }