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/*
*
* Copyright 2016 gRPC authors.
*
* 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 GRPC_TEST_CPP_UTIL_PROTO_FILE_PARSER_H
#define GRPC_TEST_CPP_UTIL_PROTO_FILE_PARSER_H
#include <memory>
#include <grpcpp/channel.h>
#include "test/cpp/util/config_grpc_cli.h"
#include "test/cpp/util/proto_reflection_descriptor_database.h"
namespace grpc {
namespace testing {
class ErrorPrinter;
// Find method and associated request/response types.
class ProtoFileParser {
public:
// The parser will search proto files using the server reflection service
// provided on the given channel. The given protofiles in a source tree rooted
// from proto_path will also be searched.
ProtoFileParser(const std::shared_ptr<grpc::Channel>& channel,
const TString& proto_path, const TString& protofiles);
~ProtoFileParser();
// The input method name in the following four functions could be a partial
// string such as Service.Method or even just Method. It will log an error if
// there is ambiguity.
// Full method name is in the form of Service.Method, it's good to be used in
// descriptor database queries.
TString GetFullMethodName(const TString& method);
// Formatted method name is in the form of /Service/Method, it's good to be
// used as the argument of Stub::Call()
TString GetFormattedMethodName(const TString& method);
/// Converts a text or json string to its binary proto representation for the
/// given method's input or return type.
/// \param method the name of the method (does not need to be fully qualified
/// name)
/// \param formatted_proto the text- or json-formatted proto string
/// \param is_request if \c true the resolved type is that of the input
/// parameter of the method, otherwise it is the output type
/// \param is_json_format if \c true the \c formatted_proto is treated as a
/// json-formatted proto, otherwise it is treated as a text-formatted
/// proto
/// \return the serialised binary proto representation of \c formatted_proto
TString GetSerializedProtoFromMethod(const TString& method,
const TString& formatted_proto,
bool is_request,
bool is_json_format);
/// Converts a text or json string to its proto representation for the given
/// message type.
/// \param formatted_proto the text- or json-formatted proto string
/// \return the serialised binary proto representation of \c formatted_proto
TString GetSerializedProtoFromMessageType(
const TString& message_type_name, const TString& formatted_proto,
bool is_json_format);
/// Converts a binary proto string to its text or json string representation
/// for the given method's input or return type.
/// \param method the name of the method (does not need to be a fully
/// qualified name)
/// \param the serialised binary proto representation of type
/// \c message_type_name
/// \return the text- or json-formatted proto string of \c serialized_proto
TString GetFormattedStringFromMethod(const TString& method,
const TString& serialized_proto,
bool is_request,
bool is_json_format);
/// Converts a binary proto string to its text or json string representation
/// for the given message type.
/// \param the serialised binary proto representation of type
/// \c message_type_name
/// \return the text- or json-formatted proto string of \c serialized_proto
TString GetFormattedStringFromMessageType(
const TString& message_type_name, const TString& serialized_proto,
bool is_json_format);
bool IsStreaming(const TString& method, bool is_request);
bool HasError() const { return has_error_; }
void LogError(const TString& error_msg);
private:
TString GetMessageTypeFromMethod(const TString& method,
bool is_request);
bool has_error_;
TString request_text_;
protobuf::compiler::DiskSourceTree source_tree_;
std::unique_ptr<ErrorPrinter> error_printer_;
std::unique_ptr<protobuf::compiler::Importer> importer_;
std::unique_ptr<grpc::ProtoReflectionDescriptorDatabase> reflection_db_;
std::unique_ptr<protobuf::DescriptorPoolDatabase> file_db_;
std::unique_ptr<protobuf::DescriptorDatabase> desc_db_;
std::unique_ptr<protobuf::DescriptorPool> desc_pool_;
std::unique_ptr<protobuf::DynamicMessageFactory> dynamic_factory_;
std::unique_ptr<grpc::protobuf::Message> request_prototype_;
std::unique_ptr<grpc::protobuf::Message> response_prototype_;
std::unordered_map<TString, TString> known_methods_;
std::vector<const protobuf::ServiceDescriptor*> service_desc_list_;
};
} // namespace testing
} // namespace grpc
#endif // GRPC_TEST_CPP_UTIL_PROTO_FILE_PARSER_H
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