12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364 |
- /* 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 <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>
- #include <netdb.h>
- #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;
- }
|