3 * Copyright 2017 gRPC authors.
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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #ifndef GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H
20 #define GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H
22 #include <grpc/support/port_platform.h>
24 #include <grpc/impl/codegen/grpc_types.h>
25 #include <grpc/support/sync.h>
26 #include "src/core/lib/iomgr/resolve_address.h"
28 /** The virtual table of grpc_socket_factory */
30 /** Replacement for socket(2) */
31 int (*socket)(grpc_socket_factory* factory, int domain, int type,
33 /** Replacement for bind(2) */
34 int (*bind)(grpc_socket_factory* factory, int sockfd,
35 const grpc_resolved_address* addr);
36 /** Compare socket factory \a a and \a b */
37 int (*compare)(grpc_socket_factory* a, grpc_socket_factory* b);
38 /** Destroys the socket factory instance */
39 void (*destroy)(grpc_socket_factory* factory);
40 } grpc_socket_factory_vtable;
42 /** The Socket Factory interface allows changes on socket options */
43 struct grpc_socket_factory {
44 const grpc_socket_factory_vtable* vtable;
45 gpr_refcount refcount;
48 /** called by concrete implementations to initialize the base struct */
49 void grpc_socket_factory_init(grpc_socket_factory* factory,
50 const grpc_socket_factory_vtable* vtable);
52 /** Wrap \a factory as a grpc_arg */
53 grpc_arg grpc_socket_factory_to_arg(grpc_socket_factory* factory);
55 /** Perform the equivalent of a socket(2) operation using \a factory */
56 int grpc_socket_factory_socket(grpc_socket_factory* factory, int domain,
57 int type, int protocol);
59 /** Perform the equivalent of a bind(2) operation using \a factory */
60 int grpc_socket_factory_bind(grpc_socket_factory* factory, int sockfd,
61 const grpc_resolved_address* addr);
63 /** Compare if \a a and \a b are the same factory or have same settings */
64 int grpc_socket_factory_compare(grpc_socket_factory* a, grpc_socket_factory* b);
66 grpc_socket_factory* grpc_socket_factory_ref(grpc_socket_factory* factory);
67 void grpc_socket_factory_unref(grpc_socket_factory* factory);
69 #endif /* GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H */