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