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/*
* Copyright (C) 2018 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 TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_
#define TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <google/protobuf/descriptor.h>
#include "src/traced/probes/ftrace/format_parser.h"
namespace perfetto {
class VerifyStream : public std::ostringstream {
public:
VerifyStream(std::string filename);
virtual ~VerifyStream();
private:
std::string filename_;
std::string expected_;
};
class FtraceEventName {
public:
explicit FtraceEventName(const std::string& full_name);
bool valid() const;
const std::string& name() const;
const std::string& group() const;
private:
bool valid_;
std::string name_;
std::string group_;
};
struct ProtoType {
enum Type { INVALID, NUMERIC, STRING };
Type type;
uint16_t size;
bool is_signed;
ProtoType GetSigned() const;
std::string ToString() const;
static ProtoType Invalid();
static ProtoType String();
static ProtoType Numeric(uint16_t size, bool is_signed);
static ProtoType FromDescriptor(google::protobuf::FieldDescriptor::Type type);
};
struct Proto {
Proto() = default;
Proto(std::string evt_name, const google::protobuf::Descriptor& desc);
struct Field {
ProtoType type;
std::string name;
uint32_t number;
};
std::string name;
std::string event_name;
std::map<std::string, Field> fields;
std::string ToString();
void MergeFrom(const Proto& other);
void AddField(Proto::Field field);
std::vector<const Field*> SortedFields();
uint32_t max_id = 0;
};
std::string ToCamelCase(const std::string& s);
ProtoType GetCommon(ProtoType one, ProtoType other);
std::string ProtoHeader();
bool GenerateProto(const FtraceEvent& format, Proto* proto_out);
ProtoType InferProtoType(const FtraceEvent::Field& field);
} // namespace perfetto
#endif // TOOLS_FTRACE_PROTO_GEN_PROTO_GEN_UTILS_H_