Add ResponseError impl for SendRequestError

src/client/mod.rs

@@ -12,3 +12,20 @@ pub use self::response::ClientResponse;
 pub use self::connector::{Connect, Connection, ClientConnector, ClientConnectorError};
 pub(crate) use self::writer::HttpClientWriter;
 pub(crate) use self::parser::{HttpResponseParser, HttpResponseParserError};
+
+
+use httpcodes;
+use httpresponse::HttpResponse;
+use error::ResponseError;
+
+
+/// Convert `SendRequestError` to a `HttpResponse`
+impl ResponseError for SendRequestError {
+
+    fn error_response(&self) -> HttpResponse {
+        match *self {
+            SendRequestError::Connector(_) => httpcodes::HttpBadGateway.into(),
+            _ => httpcodes::HttpInternalServerError.into(),
+        }
+    }
+}