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/*
* Copyright (C) 2024 The Android Open Source Project
*
* Licensed 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.
*/
#ifndef SRC_TRACE_REDACTION_SCRUB_TRACE_PACKET_H_
#define SRC_TRACE_REDACTION_SCRUB_TRACE_PACKET_H_
#include "src/trace_redaction/trace_redaction_framework.h"
namespace perfetto::trace_redaction {
class TracePacketFilter {
public:
virtual ~TracePacketFilter();
// Checks if the context contains all neccessary parameters.
virtual base::Status VerifyContext(const Context& context) const;
// Checks if the field should be pass onto the new packet. Checks are a
// logical AND, so all filters must return true.
virtual bool KeepField(const Context& context,
const protozero::Field& field) const = 0;
};
class ScrubTracePacket : public TransformPrimitive {
public:
base::Status Transform(const Context& context,
std::string* packet) const override;
template <typename T>
void emplace_back() {
filters_.emplace_back(new T());
}
private:
bool KeepEvent(const Context& context, const protozero::Field& field) const;
std::vector<std::unique_ptr<TracePacketFilter>> filters_;
};
} // namespace perfetto::trace_redaction
#endif // SRC_TRACE_REDACTION_SCRUB_TRACE_PACKET_H_
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