1 /*
2  * Copyright (c) 1997, 2002, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include <string.h>
27 
28 #include "net_util.h"
29 #include <nativehelper/JNIHelp.h>
30 
31 #define NATIVE_METHOD(className, functionName, signature) \
32 { #functionName, signature, (void*)(className ## _ ## functionName) }
33 
34 /************************************************************************
35  * InetAddress
36  */
37 
38 jclass ia_class;
39 jclass iac_class;
40 jfieldID ia_holderID;
41 jfieldID iac_addressID;
42 jfieldID iac_familyID;
43 jfieldID iac_hostNameID;
44 jfieldID iac_origHostNameID;
45 
InetAddress_init(JNIEnv * env)46 static void InetAddress_init(JNIEnv *env) {
47     jclass c = (*env)->FindClass(env,"java/net/InetAddress");
48     CHECK_NULL(c);
49     ia_class = (*env)->NewGlobalRef(env, c);
50     CHECK_NULL(ia_class);
51     c = (*env)->FindClass(env,"java/net/InetAddress$InetAddressHolder");
52     CHECK_NULL(c);
53     iac_class = (*env)->NewGlobalRef(env, c);
54     ia_holderID = (*env)->GetFieldID(env, ia_class, "holder", "Ljava/net/InetAddress$InetAddressHolder;");
55     CHECK_NULL(ia_holderID);
56 
57     iac_addressID = (*env)->GetFieldID(env, iac_class, "address", "I");
58     CHECK_NULL(iac_addressID);
59     iac_familyID = (*env)->GetFieldID(env, iac_class, "family", "I");
60     CHECK_NULL(iac_familyID);
61     iac_hostNameID = (*env)->GetFieldID(env, iac_class, "hostName", "Ljava/lang/String;");
62     CHECK_NULL(iac_hostNameID);
63     iac_origHostNameID = (*env)->GetFieldID(env, iac_class, "originalHostName", "Ljava/lang/String;");
64     CHECK_NULL(iac_origHostNameID);
65 }
66 
register_java_net_InetAddress(JNIEnv * env)67 void register_java_net_InetAddress(JNIEnv* env) {
68   InetAddress_init(env);
69 }
70