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 */
33int 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