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// Copyright (c) 2014 Baidu, Inc.
//
// 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.
#include <base/logging.h>
#include "pb_util.h"
using google::protobuf::ServiceDescriptor;
using google::protobuf::Descriptor;
using google::protobuf::DescriptorPool;
using google::protobuf::MessageFactory;
using google::protobuf::Message;
using google::protobuf::MethodDescriptor;
using google::protobuf::compiler::Importer;
using google::protobuf::DynamicMessageFactory;
using google::protobuf::DynamicMessageFactory;
using std::string;
namespace pbrpcframework {
const MethodDescriptor* find_method_by_name(const string& service_name,
const string& method_name,
Importer* importer) {
const ServiceDescriptor* descriptor =
importer->pool()->FindServiceByName(service_name);
if (NULL == descriptor) {
LOG(FATAL) << "Fail to find service=" << service_name;
return NULL;
}
return descriptor->FindMethodByName(method_name);
}
const Message* get_prototype_by_method_descriptor(
const MethodDescriptor* descripter,
bool is_input,
DynamicMessageFactory* factory) {
if (NULL == descripter) {
LOG(FATAL) <<"Param[descripter] is NULL";
return NULL;
}
const Descriptor* message_descriptor = NULL;
if (is_input) {
message_descriptor = descripter->input_type();
} else {
message_descriptor = descripter->output_type();
}
return factory->GetPrototype(message_descriptor);
}
const Message* get_prototype_by_name(const string& service_name,
const string& method_name, bool is_input,
Importer* importer,
DynamicMessageFactory* factory){
const MethodDescriptor* descripter = find_method_by_name(
service_name, method_name, importer);
return get_prototype_by_method_descriptor(descripter, is_input, factory);
}
} // pbrpcframework