chromium/third_party/grpc/src/src/core/ext/filters/server_config_selector/server_config_selector_filter.cc

// Copyright 2021 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/server_config_selector/server_config_selector_filter.h"

#include <functional>
#include <memory>
#include <utility>

#include "absl/base/thread_annotations.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/types/optional.h"

#include <grpc/support/log.h>

#include "src/core/ext/filters/server_config_selector/server_config_selector.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/channel/context.h"
#include "src/core/lib/channel/promise_based_filter.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/gprpp/status_helper.h"
#include "src/core/lib/gprpp/sync.h"
#include "src/core/lib/promise/arena_promise.h"
#include "src/core/lib/promise/context.h"
#include "src/core/lib/promise/promise.h"
#include "src/core/lib/resource_quota/arena.h"
#include "src/core/lib/service_config/service_config_call_data.h"
#include "src/core/lib/transport/transport.h"

namespace grpc_core {

namespace {

class ServerConfigSelectorFilter final : public ChannelFilter { … };

absl::StatusOr<ServerConfigSelectorFilter> ServerConfigSelectorFilter::Create(
    const ChannelArgs& args, ChannelFilter::Args) { … }

ServerConfigSelectorFilter::ServerConfigSelectorFilter(
    RefCountedPtr<ServerConfigSelectorProvider> server_config_selector_provider)
    : … { … }

ServerConfigSelectorFilter::~ServerConfigSelectorFilter() { … }

ArenaPromise<ServerMetadataHandle> ServerConfigSelectorFilter::MakeCallPromise(
    CallArgs call_args, NextPromiseFactory next_promise_factory) { … }

}  // namespace

const grpc_channel_filter kServerConfigSelectorFilter = …;

}  // namespace grpc_core