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 #include <grpc/support/port_platform.h>
20
21 #include "src/core/lib/iomgr/port.h"
22
23 #ifdef GRPC_POSIX_SOCKET_SOCKET_FACTORY
24
25 #include "src/core/lib/channel/channel_args.h"
26 #include "src/core/lib/gpr/useful.h"
27 #include "src/core/lib/iomgr/socket_factory_posix.h"
28
29 #include <grpc/impl/codegen/grpc_types.h>
30 #include <grpc/support/sync.h>
31
grpc_socket_factory_init(grpc_socket_factory * factory,const grpc_socket_factory_vtable * vtable)32 void grpc_socket_factory_init(grpc_socket_factory* factory,
33 const grpc_socket_factory_vtable* vtable) {
34 factory->vtable = vtable;
35 gpr_ref_init(&factory->refcount, 1);
36 }
37
grpc_socket_factory_socket(grpc_socket_factory * factory,int domain,int type,int protocol)38 int grpc_socket_factory_socket(grpc_socket_factory* factory, int domain,
39 int type, int protocol) {
40 return factory->vtable->socket(factory, domain, type, protocol);
41 }
42
grpc_socket_factory_bind(grpc_socket_factory * factory,int sockfd,const grpc_resolved_address * addr)43 int grpc_socket_factory_bind(grpc_socket_factory* factory, int sockfd,
44 const grpc_resolved_address* addr) {
45 return factory->vtable->bind(factory, sockfd, addr);
46 }
47
grpc_socket_factory_compare(grpc_socket_factory * a,grpc_socket_factory * b)48 int grpc_socket_factory_compare(grpc_socket_factory* a,
49 grpc_socket_factory* b) {
50 int c = GPR_ICMP(a, b);
51 if (c != 0) {
52 grpc_socket_factory* sma = a;
53 grpc_socket_factory* smb = b;
54 c = GPR_ICMP(sma->vtable, smb->vtable);
55 if (c == 0) {
56 c = sma->vtable->compare(sma, smb);
57 }
58 }
59 return c;
60 }
61
grpc_socket_factory_ref(grpc_socket_factory * factory)62 grpc_socket_factory* grpc_socket_factory_ref(grpc_socket_factory* factory) {
63 gpr_ref(&factory->refcount);
64 return factory;
65 }
66
grpc_socket_factory_unref(grpc_socket_factory * factory)67 void grpc_socket_factory_unref(grpc_socket_factory* factory) {
68 if (gpr_unref(&factory->refcount)) {
69 factory->vtable->destroy(factory);
70 }
71 }
72
socket_factory_arg_copy(void * p)73 static void* socket_factory_arg_copy(void* p) {
74 return grpc_socket_factory_ref(static_cast<grpc_socket_factory*>(p));
75 }
76
socket_factory_arg_destroy(void * p)77 static void socket_factory_arg_destroy(void* p) {
78 grpc_socket_factory_unref(static_cast<grpc_socket_factory*>(p));
79 }
80
socket_factory_cmp(void * a,void * b)81 static int socket_factory_cmp(void* a, void* b) {
82 return grpc_socket_factory_compare(static_cast<grpc_socket_factory*>(a),
83 static_cast<grpc_socket_factory*>(b));
84 }
85
86 static const grpc_arg_pointer_vtable socket_factory_arg_vtable = {
87 socket_factory_arg_copy, socket_factory_arg_destroy, socket_factory_cmp};
88
grpc_socket_factory_to_arg(grpc_socket_factory * factory)89 grpc_arg grpc_socket_factory_to_arg(grpc_socket_factory* factory) {
90 return grpc_channel_arg_pointer_create((char*)GRPC_ARG_SOCKET_FACTORY,
91 factory, &socket_factory_arg_vtable);
92 }
93
94 #endif
95