| // |
| // Copyright 2022 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_SRC_CORE_EXT_XDS_XDS_CLIENT_GRPC_H |
| #define GRPC_SRC_CORE_EXT_XDS_XDS_CLIENT_GRPC_H |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <memory> |
| |
| #include "absl/status/statusor.h" |
| #include "absl/strings/string_view.h" |
| |
| #include <grpc/grpc.h> |
| |
| #include "src/core/ext/xds/certificate_provider_store.h" |
| #include "src/core/ext/xds/xds_bootstrap_grpc.h" |
| #include "src/core/ext/xds/xds_client.h" |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/gpr/useful.h" |
| #include "src/core/lib/gprpp/orphanable.h" |
| #include "src/core/lib/gprpp/ref_counted_ptr.h" |
| #include "src/core/lib/iomgr/iomgr_fwd.h" |
| |
| namespace grpc_core { |
| |
| class GrpcXdsClient : public XdsClient { |
| public: |
| // Factory function to get or create the global XdsClient instance. |
| static absl::StatusOr<RefCountedPtr<GrpcXdsClient>> GetOrCreate( |
| const ChannelArgs& args, const char* reason); |
| |
| // Do not instantiate directly -- use GetOrCreate() instead. |
| GrpcXdsClient(std::unique_ptr<GrpcXdsBootstrap> bootstrap, |
| const ChannelArgs& args); |
| ~GrpcXdsClient() override; |
| |
| // Helpers for encoding the XdsClient object in channel args. |
| static absl::string_view ChannelArgName() { |
| return "grpc.internal.xds_client"; |
| } |
| static int ChannelArgsCompare(const XdsClient* a, const XdsClient* b) { |
| return QsortCompare(a, b); |
| } |
| |
| grpc_pollset_set* interested_parties() const; |
| |
| CertificateProviderStore& certificate_provider_store() const { |
| return *certificate_provider_store_; |
| } |
| |
| private: |
| OrphanablePtr<CertificateProviderStore> certificate_provider_store_; |
| }; |
| |
| namespace internal { |
| void SetXdsChannelArgsForTest(grpc_channel_args* args); |
| void UnsetGlobalXdsClientForTest(); |
| // Sets bootstrap config to be used when no env var is set. |
| // Does not take ownership of config. |
| void SetXdsFallbackBootstrapConfig(const char* config); |
| } // namespace internal |
| |
| } // namespace grpc_core |
| |
| #endif // GRPC_SRC_CORE_EXT_XDS_XDS_CLIENT_GRPC_H |