1 // 2 // Copyright 2023 gRPC authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef GRPC_SRC_CORE_LOAD_BALANCING_PICK_FIRST_PICK_FIRST_H 18 #define GRPC_SRC_CORE_LOAD_BALANCING_PICK_FIRST_PICK_FIRST_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include "src/core/resolver/endpoint_addresses.h" 23 24 // Internal channel arg to enable health checking in pick_first. 25 // Intended to be used by petiole policies (e.g., round_robin) that 26 // delegate to pick_first. 27 #define GRPC_ARG_INTERNAL_PICK_FIRST_ENABLE_HEALTH_CHECKING \ 28 GRPC_ARG_NO_SUBCHANNEL_PREFIX "pick_first_enable_health_checking" 29 30 // Internal channel arg to tell pick_first to omit the prefix it normally 31 // adds to error status messages. Intended to be used by petiole policies 32 // (e.g., round_robin) that want to add their own prefixes. 33 #define GRPC_ARG_INTERNAL_PICK_FIRST_OMIT_STATUS_MESSAGE_PREFIX \ 34 GRPC_ARG_NO_SUBCHANNEL_PREFIX "pick_first_omit_status_message_prefix" 35 36 #endif // GRPC_SRC_CORE_LOAD_BALANCING_PICK_FIRST_PICK_FIRST_H 37