inspect node for debugging

2 files changed, 44 insertions, 0 deletions

diff --git a/src/modules/inspect.rs b/src/modules/inspect.rs
new file mode 100644
index 0000000..1ad6522
--- /dev/null
+++ b/src/modules/inspect.rs
@@ -0,0 +1,42 @@
+use super::{Node, NodeContext, NodeKind, NodeRequest, NodeResponse};
+use crate::{config::DynNode, error::ServiceError};
+use anyhow::Result;
+use futures::Future;
+use log::debug;
+use serde::Deserialize;
+use std::{pin::Pin, sync::Arc};
+
+pub struct InspectKind;
+
+#[derive(Deserialize)]
+pub struct Inspect {
+    next: DynNode,
+}
+
+impl NodeKind for InspectKind {
+    fn name(&self) -> &'static str {
+        "inspect"
+    }
+    fn instanciate(&self, config: serde_yml::Value) -> Result<Arc<dyn Node>> {
+        Ok(Arc::new(serde_yml::from_value::<Inspect>(config)?))
+    }
+}
+
+impl Node for Inspect {
+    fn handle<'a>(
+        &'a self,
+        context: &'a mut NodeContext,
+        request: NodeRequest,
+    ) -> Pin<Box<dyn Future<Output = Result<NodeResponse, ServiceError>> + Send + Sync + 'a>> {
+        Box::pin(async move {
+            debug!(
+                "address: {:?}\nversion: {:?}\nuri: {:?}\nheaders: {:#?}",
+                context.addr,
+                request.version(),
+                request.uri(),
+                request.headers(),
+            );
+            Ok(self.next.handle(context, request).await?)
+        })
+    }
+}
diff --git a/src/modules/mod.rs b/src/modules/mod.rs
index 7470725..6f945af 100644
--- a/src/modules/mod.rs
+++ b/src/modules/mod.rs
@@ -17,6 +17,7 @@ mod file;
 mod files;
 mod headers;
 mod hosts;
+mod inspect;
 mod loadbalance;
 mod paths;
 mod proxy;
@@ -46,6 +47,7 @@ pub static MODULES: &[&dyn NodeKind] = &[
     &cache::CacheKind,
     &loadbalance::LoadBalanceKind,
     &upgrade_insecure::UpgradeInsecureKind,
+    &inspect::InspectKind,
 ];
 
 pub struct NodeContext {