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Diffstat (limited to 'libcutils/socket_inaddr_any_server.c')
-rw-r--r-- | libcutils/socket_inaddr_any_server.c | 70 |
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 | |||
@@ -0,0 +1,70 @@ | |||
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 */ | ||
36 | int 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 | } | ||