/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_
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#define TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_
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#include <map>
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <google/protobuf/descriptor.h>
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#include "src/traced/probes/ftrace/format_parser.h"
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namespace perfetto {
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class VerifyStream : public std::ostringstream {
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public:
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VerifyStream(std::string filename);
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virtual ~VerifyStream();
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private:
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std::string filename_;
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std::string expected_;
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};
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class FtraceEventName {
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public:
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explicit FtraceEventName(const std::string& full_name);
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bool valid() const;
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const std::string& name() const;
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const std::string& group() const;
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private:
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bool valid_;
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std::string name_;
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std::string group_;
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};
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struct ProtoType {
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enum Type { INVALID, NUMERIC, STRING };
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Type type;
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uint16_t size;
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bool is_signed;
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ProtoType GetSigned() const;
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std::string ToString() const;
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static ProtoType Invalid();
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static ProtoType String();
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static ProtoType Numeric(uint16_t size, bool is_signed);
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static ProtoType FromDescriptor(google::protobuf::FieldDescriptor::Type type);
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};
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struct Proto {
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Proto() = default;
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Proto(std::string evt_name, const google::protobuf::Descriptor& desc);
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struct Field {
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ProtoType type;
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std::string name;
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uint32_t number;
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};
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std::string name;
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std::string event_name;
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std::map<std::string, Field> fields;
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std::string ToString();
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void MergeFrom(const Proto& other);
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void AddField(Proto::Field field);
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std::vector<const Field*> SortedFields();
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uint32_t max_id = 0;
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};
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std::string ToCamelCase(const std::string& s);
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ProtoType GetCommon(ProtoType one, ProtoType other);
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std::string ProtoHeader();
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bool GenerateProto(const FtraceEvent& format, Proto* proto_out);
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ProtoType InferProtoType(const FtraceEvent::Field& field);
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} // namespace perfetto
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#endif // TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_
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