1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <cutils/sockets.h>
30
31 extern bool initialize_windows_sockets();
32
socket_network_client(const char * host,int port,int type)33 SOCKET socket_network_client(const char* host, int port, int type) {
34 if (!initialize_windows_sockets()) {
35 return INVALID_SOCKET;
36 }
37
38 // First resolve the host and port parameters into a usable network address.
39 struct addrinfo hints;
40 memset(&hints, 0, sizeof(hints));
41 hints.ai_socktype = type;
42
43 struct addrinfo* address = NULL;
44 char port_str[16];
45 snprintf(port_str, sizeof(port_str), "%d", port);
46 if (getaddrinfo(host, port_str, &hints, &address) != 0 || address == NULL) {
47 if (address != NULL) {
48 freeaddrinfo(address);
49 }
50 return INVALID_SOCKET;
51 }
52
53 // Now create and connect the socket.
54 SOCKET sock = socket(address->ai_family, address->ai_socktype,
55 address->ai_protocol);
56 if (sock == INVALID_SOCKET) {
57 freeaddrinfo(address);
58 return INVALID_SOCKET;
59 }
60
61 if (connect(sock, address->ai_addr, address->ai_addrlen) == SOCKET_ERROR) {
62 closesocket(sock);
63 freeaddrinfo(address);
64 return INVALID_SOCKET;
65 }
66
67 freeaddrinfo(address);
68 return sock;
69 }
70