| /* |
| * |
| * Copyright 2015 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_CORE_LIB_IOMGR_SOCKET_MUTATOR_H |
| #define GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H |
| |
| #include <grpc/impl/codegen/grpc_types.h> |
| #include <grpc/support/sync.h> |
| |
| #include <stdbool.h> |
| |
| |
| |
| /** The virtual table of grpc_socket_mutator */ |
| typedef struct { |
| /** Mutates the socket opitons of \a fd */ |
| bool (*mutate_fd)(int fd, grpc_socket_mutator* mutator); |
| /** Compare socket mutator \a a and \a b */ |
| int (*compare)(grpc_socket_mutator* a, grpc_socket_mutator* b); |
| /** Destroys the socket mutator instance */ |
| void (*destory)(grpc_socket_mutator* mutator); |
| } grpc_socket_mutator_vtable; |
| |
| /** The Socket Mutator interface allows changes on socket options */ |
| struct grpc_socket_mutator { |
| const grpc_socket_mutator_vtable* vtable; |
| gpr_refcount refcount; |
| }; |
| |
| /** called by concrete implementations to initialize the base struct */ |
| void grpc_socket_mutator_init(grpc_socket_mutator* mutator, |
| const grpc_socket_mutator_vtable* vtable); |
| |
| /** Wrap \a mutator as a grpc_arg */ |
| grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator* mutator); |
| |
| /** Perform the file descriptor mutation operation of \a mutator on \a fd */ |
| bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator* mutator, int fd); |
| |
| /** Compare if \a a and \a b are the same mutator or have same settings */ |
| int grpc_socket_mutator_compare(grpc_socket_mutator* a, grpc_socket_mutator* b); |
| |
| grpc_socket_mutator* grpc_socket_mutator_ref(grpc_socket_mutator* mutator); |
| void grpc_socket_mutator_unref(grpc_socket_mutator* mutator); |
| |
| |
| |
| #endif /* GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H */ |