66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/* libs/cutils/socket_network_client.c
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <cutils/sockets.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stddef.h>
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#ifndef HAVE_WINSOCK
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#include <sys/socket.h>
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#include <sys/select.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#endif
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/* Connect to port on the IP interface. type is
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* SOCK_STREAM or SOCK_DGRAM.
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* return is a file descriptor or -1 on error
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*/
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int socket_network_client(const char *host, int port, int type)
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{
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struct hostent *hp;
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struct sockaddr_in addr;
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socklen_t alen;
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int s;
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hp = gethostbyname(host);
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if(hp == 0) return -1;
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = hp->h_addrtype;
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addr.sin_port = htons(port);
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memcpy(&addr.sin_addr, hp->h_addr, hp->h_length);
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s = socket(hp->h_addrtype, type, 0);
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if(s < 0) return -1;
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if(connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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close(s);
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return -1;
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}
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return s;
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}
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