1 /*
   2  * Copyright (c) 2000, 2013, 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 "java_net_Inet6Address.h"
  29 #include "net_util.h"
  30 
  31 /************************************************************************
  32  * Inet6Address
  33  */
  34 
  35 jclass ia6_class;
  36 jfieldID ia6_holder6ID;
  37 
  38 jfieldID ia6_ipaddressID;
  39 jfieldID ia6_scopeidID;
  40 jfieldID ia6_cachedscopeidID;
  41 jfieldID ia6_scopeidsetID;
  42 jfieldID ia6_scopeifnameID;
  43 jmethodID ia6_ctrID;
  44 
  45 static int ia6_initialized = 0;
  46 
  47 /*
  48  * Class:     java_net_Inet6Address
  49  * Method:    init
  50  * Signature: ()V
  51  */
  52 JNIEXPORT void JNICALL
  53 Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls) {
  54     if (!ia6_initialized) {
  55         jclass ia6h_class;
  56         jclass c = (*env)->FindClass(env, "java/net/Inet6Address");
  57         CHECK_NULL(c);
  58         ia6_class = (*env)->NewGlobalRef(env, c);
  59         CHECK_NULL(ia6_class);
  60         ia6h_class = (*env)->FindClass(env, "java/net/Inet6Address$Inet6AddressHolder");
  61         CHECK_NULL(ia6h_class);
  62         ia6_holder6ID = (*env)->GetFieldID(env, ia6_class, "holder6", "Ljava/net/Inet6Address$Inet6AddressHolder;");
  63         CHECK_NULL(ia6_holder6ID);
  64         ia6_ipaddressID = (*env)->GetFieldID(env, ia6h_class, "ipaddress", "[B");
  65         CHECK_NULL(ia6_ipaddressID);
  66         ia6_scopeidID = (*env)->GetFieldID(env, ia6h_class, "scope_id", "I");
  67         CHECK_NULL(ia6_scopeidID);
  68         ia6_cachedscopeidID = (*env)->GetFieldID(env, ia6_class, "cached_scope_id", "I");
  69         CHECK_NULL(ia6_cachedscopeidID);
  70         ia6_scopeidsetID = (*env)->GetFieldID(env, ia6h_class, "scope_id_set", "Z");
  71         CHECK_NULL(ia6_scopeidsetID);
  72         ia6_scopeifnameID = (*env)->GetFieldID(env, ia6h_class, "scope_ifname", "Ljava/net/NetworkInterface;");
  73         CHECK_NULL(ia6_scopeifnameID);
  74         ia6_ctrID = (*env)->GetMethodID(env, ia6_class, "<init>", "()V");
  75         CHECK_NULL(ia6_ctrID);
  76         ia6_initialized = 1;
  77     }
  78 }