1/*
2 * Copyright (C) 2011 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
17package android.system;
18
19import java.net.InetAddress;
20import libcore.util.Objects;
21
22/**
23 * Information returned/taken by getaddrinfo(3). Corresponds to C's {@code struct addrinfo} from
24 * <a href="http://pubs.opengroup.org/onlinepubs/009695399/basedefs/netdb.h.html">&lt;netdb.h&gt;</a>
25 *
26 * TODO: we currently only _take_ a StructAddrinfo; getaddrinfo returns an InetAddress[].
27 *
28 * @hide
29 */
30public final class StructAddrinfo {
31  /** Flags describing the kind of lookup to be done. (Such as AI_ADDRCONFIG.) */
32  public int ai_flags;
33
34  /** Desired address family for results. (Such as AF_INET6 for IPv6. AF_UNSPEC means "any".) */
35  public int ai_family;
36
37  /** Socket type. (Such as SOCK_DGRAM. 0 means "any".) */
38  public int ai_socktype;
39
40  /** Protocol. (Such as IPPROTO_IPV6 IPv6. 0 means "any".) */
41  public int ai_protocol;
42
43  /** Address length. (Not useful in Java.) */
44  // public int ai_addrlen;
45
46  /** Address. */
47  public InetAddress ai_addr;
48
49  /** Canonical name of service location (if AI_CANONNAME provided in ai_flags). */
50  // public String ai_canonname;
51
52  /** Next element in linked list. */
53  public StructAddrinfo ai_next;
54
55  @Override public String toString() {
56    return Objects.toString(this);
57  }
58}
59