nghttp: Don't request already pushed resources

685dabc2 · Tatsuhiro Tsujikawa · 4cafdb76 · 685dabc2
Commit 685dabc2 authored Feb 15, 2015 by Tatsuhiro Tsujikawa
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src/nghttp.cc src/nghttp.cc +12 -0

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--- a/src/nghttp.cc
+++ b/src/nghttp.cc
@@ -1807,6 +1807,18 @@ int on_frame_recv_callback2(nghttp2_session *session,
    }
    req->uri = uri;
    req->u = u;
+
+    if (client->path_cache.count(uri)) {
+      nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE,
+                                frame->push_promise.promised_stream_id,
+                                NGHTTP2_CANCEL);
+      break;
+    }
+
+    if (config.multiply == 1) {
+      client->path_cache.insert(uri);
+    }
+
    break;
  }
  }