/* libs/cutils/socket_network_client.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 #include #include #include #include #include #ifndef HAVE_WINSOCK #include #include #include #include #include #endif /* Connect to port on the IP interface. type is * SOCK_STREAM or SOCK_DGRAM. * return is a file descriptor or -1 on error */ int socket_network_client(const char *host, int port, int type) { struct hostent *hp; struct sockaddr_in addr; socklen_t alen; int s; hp = gethostbyname(host); if(hp == 0) return -1; memset(&addr, 0, sizeof(addr)); addr.sin_family = hp->h_addrtype; addr.sin_port = htons(port); memcpy(&addr.sin_addr, hp->h_addr, hp->h_length); s = socket(hp->h_addrtype, type, 0); if(s < 0) return -1; if(connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { close(s); return -1; } return s; }