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Diffstat (limited to 'libcutils/socket_inaddr_any_server.c')
-rw-r--r--libcutils/socket_inaddr_any_server.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/libcutils/socket_inaddr_any_server.c b/libcutils/socket_inaddr_any_server.c
new file mode 100644
index 000000000..7d5dab4c8
--- /dev/null
+++ b/libcutils/socket_inaddr_any_server.c
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1/* libs/cutils/socket_inaddr_any_server.c
2**
3** Copyright 2006, The Android Open Source Project
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#include <cutils/sockets.h>
19
20#include <stdlib.h>
21#include <string.h>
22#include <unistd.h>
23#include <errno.h>
24#include <stddef.h>
25
26#ifndef HAVE_WINSOCK
27#include <sys/socket.h>
28#include <sys/select.h>
29#include <sys/types.h>
30#include <netinet/in.h>
31#endif
32
33#define LISTEN_BACKLOG 4
34
35/* open listen() port on any interface */
36int socket_inaddr_any_server(int port, int type)
37{
38 struct sockaddr_in addr;
39 size_t alen;
40 int s, n;
41
42 memset(&addr, 0, sizeof(addr));
43 addr.sin_family = AF_INET;
44 addr.sin_port = htons(port);
45 addr.sin_addr.s_addr = htonl(INADDR_ANY);
46
47 s = socket(AF_INET, type, 0);
48 if(s < 0) return -1;
49
50 n = 1;
51 setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n));
52
53 if(bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
54 close(s);
55 return -1;
56 }
57
58 if (type == SOCK_STREAM) {
59 int ret;
60
61 ret = listen(s, LISTEN_BACKLOG);
62
63 if (ret < 0) {
64 close(s);
65 return -1;
66 }
67 }
68
69 return s;
70}