1/* 2 * Copyright (c) 1997, 2016, 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_InetAddress.h" 29#include "net_util.h" 30 31/************************************************************************ 32 * InetAddress 33 */ 34 35jclass ia_class; 36jclass iac_class; 37jfieldID ia_holderID; 38jfieldID iac_addressID; 39jfieldID iac_familyID; 40jfieldID iac_hostNameID; 41jfieldID iac_origHostNameID; 42jfieldID ia_preferIPv6AddressID; 43 44static int ia_initialized = 0; 45 46/* 47 * Class: java_net_InetAddress 48 * Method: init 49 * Signature: ()V 50 */ 51JNIEXPORT void JNICALL 52Java_java_net_InetAddress_init(JNIEnv *env, jclass cls) { 53 if (!ia_initialized) { 54 jclass c = (*env)->FindClass(env,"java/net/InetAddress"); 55 CHECK_NULL(c); 56 ia_class = (*env)->NewGlobalRef(env, c); 57 CHECK_NULL(ia_class); 58 c = (*env)->FindClass(env,"java/net/InetAddress$InetAddressHolder"); 59 CHECK_NULL(c); 60 iac_class = (*env)->NewGlobalRef(env, c); 61 CHECK_NULL(iac_class); 62 ia_holderID = (*env)->GetFieldID(env, ia_class, "holder", "Ljava/net/InetAddress$InetAddressHolder;"); 63 CHECK_NULL(ia_holderID); 64 ia_preferIPv6AddressID = (*env)->GetStaticFieldID(env, ia_class, "preferIPv6Address", "I"); 65 CHECK_NULL(ia_preferIPv6AddressID); 66 67 iac_addressID = (*env)->GetFieldID(env, iac_class, "address", "I"); 68 CHECK_NULL(iac_addressID); 69 iac_familyID = (*env)->GetFieldID(env, iac_class, "family", "I"); 70 CHECK_NULL(iac_familyID); 71 iac_hostNameID = (*env)->GetFieldID(env, iac_class, "hostName", "Ljava/lang/String;"); 72 CHECK_NULL(iac_hostNameID); 73 iac_origHostNameID = (*env)->GetFieldID(env, iac_class, "originalHostName", "Ljava/lang/String;"); 74 CHECK_NULL(iac_origHostNameID); 75 ia_initialized = 1; 76 } 77} 78