1 /* 2 * 3 * Copyright 2018 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H 20 #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H 21 22 #include <grpc/support/port_platform.h> 23 24 /** Channel arg indicating if a target corresponding to the address is grpclb 25 * loadbalancer. The type of this arg is an integer and the value is treated as 26 * a bool. */ 27 #define GRPC_ARG_ADDRESS_IS_GRPCLB_LOAD_BALANCER \ 28 "grpc.address_is_grpclb_load_balancer" 29 /** Channel arg indicating if a target corresponding to the address is a backend 30 * received from a balancer. The type of this arg is an integer and the value is 31 * treated as a bool. */ 32 #define GRPC_ARG_ADDRESS_IS_BACKEND_FROM_GRPCLB_LOAD_BALANCER \ 33 "grpc.address_is_backend_from_grpclb_load_balancer" 34 35 namespace grpc_core { 36 37 extern const char kGrpcLbClientStatsMetadataKey[]; 38 extern const char kGrpcLbLbTokenMetadataKey[]; 39 40 } // namespace grpc_core 41 42 #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H \ 43 */ 44