return a HTTP 503 error when there are too many connections

sozu-proxy · Jul 13, 2022 · a82a83f · a82a83f
1 parent 4806fa1
commit a82a83f
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diff --git a/lib/src/http.rs b/lib/src/http.rs
@@ -1096,6 +1096,7 @@ impl Session {
                 >= self.proxy.borrow().sessions.borrow().slab_capacity()
             {
                 error!("not enough memory, cannot connect to backend");
+                self.set_answer(DefaultAnswerStatus::Answer503, None);
                 return Err(ConnectionError::TooManyConnections);
             }
 

diff --git a/lib/src/https_openssl.rs b/lib/src/https_openssl.rs
@@ -1227,6 +1227,7 @@ impl Session {
                 >= self.proxy.borrow().sessions.borrow().slab_capacity()
             {
                 error!("not enough memory, cannot connect to backend");
+                self.set_answer(DefaultAnswerStatus::Answer503, None);
                 return Err(ConnectionError::TooManyConnections);
             }
 

diff --git a/lib/src/https_rustls/session.rs b/lib/src/https_rustls/session.rs
@@ -1177,6 +1177,7 @@ impl Session {
                 >= self.proxy.borrow().sessions.borrow().slab_capacity()
             {
                 error!("not enough memory, cannot connect to backend");
+                self.set_answer(DefaultAnswerStatus::Answer503, None);
                 return Err(ConnectionError::TooManyConnections);
             }