1 /*
2 ** Copyright 2006, The Android Open Source Project
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 #include <errno.h>
18 #include <stddef.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <unistd.h>
22
23 #include <sys/socket.h>
24 #include <sys/select.h>
25 #include <sys/types.h>
26 #include <netinet/in.h>
27
28 #include <cutils/sockets.h>
29
30 #define LISTEN_BACKLOG 4
31
32 /* open listen() port on any interface */
socket_inaddr_any_server(int port,int type)33 int socket_inaddr_any_server(int port, int type)
34 {
35 struct sockaddr_in6 addr;
36 int s, n;
37
38 memset(&addr, 0, sizeof(addr));
39 addr.sin6_family = AF_INET6;
40 addr.sin6_port = htons(port);
41 addr.sin6_addr = in6addr_any;
42
43 s = socket(AF_INET6, type, 0);
44 if (s < 0) return -1;
45
46 n = 1;
47 setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *) &n, sizeof(n));
48
49 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
50 close(s);
51 return -1;
52 }
53
54 if (type == SOCK_STREAM) {
55 int ret;
56
57 ret = listen(s, LISTEN_BACKLOG);
58
59 if (ret < 0) {
60 close(s);
61 return -1;
62 }
63 }
64
65 return s;
66 }
67