From dd04ec0ef462670cc3b3cba02957a85e01f32e9c Mon Sep 17 00:00:00 2001
From: Anthony Ramine <nox@nox.paris>
Date: Tue, 6 Apr 2021 10:04:46 +0200
Subject: [PATCH] Provide access to inner I/O error during handshake

---
 tokio-boring/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tokio-boring/src/lib.rs b/tokio-boring/src/lib.rs
index 1ed5c25a..35b9dac9 100644
--- a/tokio-boring/src/lib.rs
+++ b/tokio-boring/src/lib.rs
@@ -292,6 +292,14 @@ impl<S> HandshakeError<S> {
             _ => None,
         }
     }
+
+    /// Returns a reference to the inner I/O error, if any.
+    pub fn as_io_error(&self) -> Option<&io::Error> {
+        match &self.0 {
+            ssl::HandshakeError::Failure(s) => s.error().io_error(),
+            _ => None,
+        }
+    }
 }
 
 impl<S> fmt::Debug for HandshakeError<S>