legacy-libs/grpc/deps/grpc/src/core/ext/filters/client_channel/backup_poller.h

   1 /*
   2  *
   3  * Copyright 2017 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_BACKUP_POLLER_H
  20 #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_BACKUP_POLLER_H
  21
  22 #include <grpc/support/port_platform.h>
  23
  24 #include <grpc/grpc.h>
  25 #include "src/core/lib/channel/channel_stack.h"
  26 #include "src/core/lib/gprpp/global_config.h"
  27
  28 GPR_GLOBAL_CONFIG_DECLARE_INT32(grpc_client_channel_backup_poll_interval_ms);
  29
  30 /* Initializes backup polling. */
  31 void grpc_client_channel_global_init_backup_polling();
  32
  33 /* Starts polling \a interested_parties periodically in the timer thread. */
  34 void grpc_client_channel_start_backup_polling(
  35     grpc_pollset_set* interested_parties);
  36
  37 /* Stops polling \a interested_parties. */
  38 void grpc_client_channel_stop_backup_polling(
  39     grpc_pollset_set* interested_parties);
  40
  41 #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_BACKUP_POLLER_H */