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//
// Copyright 2015 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.
//
#include <grpc/support/port_platform.h>
#include "src/core/ext/filters/client_channel/service_config_parser.h"
#include <grpc/support/log.h>
namespace grpc_core {
namespace {
typedef absl::InlinedVector<std::unique_ptr<ServiceConfigParser::Parser>,
ServiceConfigParser::kNumPreallocatedParsers>
ServiceConfigParserList;
ServiceConfigParserList* g_registered_parsers;
} // namespace
void ServiceConfigParser::Init() {
GPR_ASSERT(g_registered_parsers == nullptr);
g_registered_parsers = new ServiceConfigParserList();
}
void ServiceConfigParser::Shutdown() {
delete g_registered_parsers;
g_registered_parsers = nullptr;
}
size_t ServiceConfigParser::RegisterParser(std::unique_ptr<Parser> parser) {
g_registered_parsers->push_back(std::move(parser));
return g_registered_parsers->size() - 1;
}
ServiceConfigParser::ParsedConfigVector
ServiceConfigParser::ParseGlobalParameters(const grpc_channel_args* args,
const Json& json,
grpc_error_handle* error) {
ParsedConfigVector parsed_global_configs;
std::vector<grpc_error_handle> error_list;
for (size_t i = 0; i < g_registered_parsers->size(); i++) {
grpc_error_handle parser_error = GRPC_ERROR_NONE;
auto parsed_config = (*g_registered_parsers)[i]->ParseGlobalParams(
args, json, &parser_error);
if (parser_error != GRPC_ERROR_NONE) {
error_list.push_back(parser_error);
}
parsed_global_configs.push_back(std::move(parsed_config));
}
if (!error_list.empty()) {
*error = GRPC_ERROR_CREATE_FROM_VECTOR("Global Params", &error_list);
}
return parsed_global_configs;
}
ServiceConfigParser::ParsedConfigVector
ServiceConfigParser::ParsePerMethodParameters(const grpc_channel_args* args,
const Json& json,
grpc_error_handle* error) {
ParsedConfigVector parsed_method_configs;
std::vector<grpc_error_handle> error_list;
for (size_t i = 0; i < g_registered_parsers->size(); i++) {
grpc_error_handle parser_error = GRPC_ERROR_NONE;
auto parsed_config = (*g_registered_parsers)[i]->ParsePerMethodParams(
args, json, &parser_error);
if (parser_error != GRPC_ERROR_NONE) {
error_list.push_back(parser_error);
}
parsed_method_configs.push_back(std::move(parsed_config));
}
if (!error_list.empty()) {
*error = GRPC_ERROR_CREATE_FROM_VECTOR("methodConfig", &error_list);
}
return parsed_method_configs;
}
} // namespace grpc_core
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