feat: Implement LdapStream, begin event loop

src/ldap/handler.rs

@@ -0,0 +1,37 @@
+use ldap3_proto::LdapMsg;
+
+use crate::ldap::{LdapStream, LdapStreamError};
+
+#[tracing::instrument(name = "ldap", skip(s), fields(session = %s.session))]
+pub async fn ldap_handler(mut s: LdapStream) {
+    tracing::info! {
+        remote_addr = ?s.remote_addr,
+        "New client connection"
+    };
+
+    loop {
+        match s.next().await {
+            Ok(msg) => {
+                if let Err(e) = ldap_handler_inner(msg).await {
+                    tracing::debug!(
+                        reason = ?e,
+                        "Failed to respond"
+                    );
+                    return;
+                }
+            }
+            Err(e) => {
+                tracing::debug!(
+                    reason = ?e,
+                    "Closing connection"
+                );
+                return;
+            }
+        }
+    }
+}
+
+pub async fn ldap_handler_inner(msg: LdapMsg) -> Result<(), LdapStreamError> {
+    tracing::debug!(msg = ?msg, "Received LDAP message");
+    Ok(())
+}