chromium/third_party/grpc/src/src/core/lib/load_balancing/lb_policy_registry.cc

//
// 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/lib/load_balancing/lb_policy_registry.h"

#include <algorithm>
#include <initializer_list>
#include <map>
#include <string>
#include <utility>
#include <vector>

#include "absl/status/status.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/str_format.h"
#include "absl/strings/str_join.h"
#include "absl/strings/string_view.h"

#include <grpc/support/log.h>

#include "src/core/lib/load_balancing/lb_policy.h"

namespace grpc_core {

//
// LoadBalancingPolicyRegistry::Builder
//

void LoadBalancingPolicyRegistry::Builder::RegisterLoadBalancingPolicyFactory(
    std::unique_ptr<LoadBalancingPolicyFactory> factory) { … }

LoadBalancingPolicyRegistry LoadBalancingPolicyRegistry::Builder::Build() { … }

//
// LoadBalancingPolicyRegistry
//

LoadBalancingPolicyFactory*
LoadBalancingPolicyRegistry::GetLoadBalancingPolicyFactory(
    absl::string_view name) const { … }

OrphanablePtr<LoadBalancingPolicy>
LoadBalancingPolicyRegistry::CreateLoadBalancingPolicy(
    absl::string_view name, LoadBalancingPolicy::Args args) const { … }

bool LoadBalancingPolicyRegistry::LoadBalancingPolicyExists(
    absl::string_view name, bool* requires_config) const { … }

// Returns the JSON node of policy (with both policy name and config content)
// given the JSON node of a LoadBalancingConfig array.
absl::StatusOr<Json::Object::const_iterator>
LoadBalancingPolicyRegistry::ParseLoadBalancingConfigHelper(
    const Json& lb_config_array) const { … }

absl::StatusOr<RefCountedPtr<LoadBalancingPolicy::Config>>
LoadBalancingPolicyRegistry::ParseLoadBalancingConfig(const Json& json) const { … }

}  // namespace grpc_core