Github user bgaff commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/776#discussion_r69248038
--- Diff: plugins/experimental/brotli_transform/brotli_transform.cc ---
@@ -0,0 +1,248 @@
+/**
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#include <iostream>
+#include <vector>
+#include <zlib.h>
+#include <atscppapi/GlobalPlugin.h>
+#include <atscppapi/TransformationPlugin.h>
+#include <atscppapi/PluginInit.h>
+#include <atscppapi/Logger.h>
+#include <brotli/enc/encode.h>
+
+using namespace atscppapi;
+using namespace std;
+
+#define TAG "brotli_transformation"
+
+namespace
+{
+const int WINDOW_BITS = 31; // Always use 31 for gzip.
+unsigned int INFLATE_SCALE_FACTOR = 6;
+unsigned int BROTLI_QUALITY = 9;
+}
+
+class GzipInflateTransformationState : noncopyable
--- End diff --
In fact it looks like you guys moved the existing gzip code into here, you
can always just extend GzipInflateTransformation if you need to extend the
behavior
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