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#ifndef HAVE_WINSOCK 24#include <sys/socket.h> 25#include <sys/select.h> 26#include <sys/types.h> 27#include <netinet/in.h> 28#endif 29 30#include <cutils/sockets.h> 31 32#define LISTEN_BACKLOG 4 33 34/* open listen() port on any interface */ 35int socket_inaddr_any_server(int port, int type) 36{ 37 struct sockaddr_in addr; 38 int s, n; 39 40 memset(&addr, 0, sizeof(addr)); 41 addr.sin_family = AF_INET; 42 addr.sin_port = htons(port); 43 addr.sin_addr.s_addr = htonl(INADDR_ANY); 44 45 s = socket(AF_INET, type, 0); 46 if(s < 0) return -1; 47 48 n = 1; 49 setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *) &n, sizeof(n)); 50 51 if(bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 52 close(s); 53 return -1; 54 } 55 56 if (type == SOCK_STREAM) { 57 int ret; 58 59 ret = listen(s, LISTEN_BACKLOG); 60 61 if (ret < 0) { 62 close(s); 63 return -1; 64 } 65 } 66 67 return s; 68} 69