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- /* libs/cutils/socket_inaddr_any_server.c
- **
- ** Copyright 2006, The Android Open Source Project
- **
- ** Licensed under the Apache License, Version 2.0 (the "License");
- ** you may not use this file except in compliance with the License.
- ** You may obtain a copy of the License at
- **
- ** http://www.apache.org/licenses/LICENSE-2.0
- **
- ** Unless required by applicable law or agreed to in writing, software
- ** distributed under the License is distributed on an "AS IS" BASIS,
- ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- ** See the License for the specific language governing permissions and
- ** limitations under the License.
- */
- #include <cutils/sockets.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <errno.h>
- #include <stddef.h>
- #ifndef HAVE_WINSOCK
- #include <sys/socket.h>
- #include <sys/select.h>
- #include <sys/types.h>
- #include <netinet/in.h>
- #endif
- #define LISTEN_BACKLOG 4
- /* open listen() port on any interface */
- int socket_inaddr_any_server(int port, int type)
- {
- struct sockaddr_in addr;
- size_t alen;
- int s, n;
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(port);
- addr.sin_addr.s_addr = htonl(INADDR_ANY);
- s = socket(AF_INET, type, 0);
- if(s < 0) return -1;
- n = 1;
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n));
- if(bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- close(s);
- return -1;
- }
- if (type == SOCK_STREAM) {
- int ret;
- ret = listen(s, LISTEN_BACKLOG);
- if (ret < 0) {
- close(s);
- return -1;
- }
- }
- return s;
- }
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