--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/java/net/net_util.h	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,168 @@
+/*
+ * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#ifndef NET_UTILS_H
+#define NET_UTILS_H
+
+#include "jvm.h"
+#include "jni_util.h"
+#include "net_util_md.h"
+
+/************************************************************************
+ * Macros and misc constants
+ */
+
+#define MAX_PACKET_LEN 65536
+
+#define IPv4 1
+#define IPv6 2
+
+#define NET_ERROR(env, ex, msg) \
+{ if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) }
+
+#define CHECK_NULL(x) if ((x) == NULL) return;
+#define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y;
+
+/************************************************************************
+ * Cached field IDs
+ *
+ * The naming convention for field IDs is
+ *      <class abbrv>_<fieldName>ID
+ * i.e. psi_timeoutID is PlainSocketImpl's timeout field's ID.
+ */
+extern jclass ia_class;
+extern jfieldID ia_addressID;
+extern jfieldID ia_familyID;
+extern jfieldID ia_preferIPv6AddressID;
+
+extern jclass ia4_class;
+extern jmethodID ia4_ctrID;
+
+/* NetworkInterface fields */
+extern jclass ni_class;
+extern jfieldID ni_nameID;
+extern jfieldID ni_indexID;
+extern jfieldID ni_addrsID;
+extern jfieldID ni_descID;
+extern jmethodID ni_ctrID;
+
+/* PlainSocketImpl fields */
+extern jfieldID psi_timeoutID;
+extern jfieldID psi_fdID;
+extern jfieldID psi_addressID;
+extern jfieldID psi_portID;
+extern jfieldID psi_localportID;
+
+/* DatagramPacket fields */
+extern jfieldID dp_addressID;
+extern jfieldID dp_portID;
+extern jfieldID dp_bufID;
+extern jfieldID dp_offsetID;
+extern jfieldID dp_lengthID;
+extern jfieldID dp_bufLengthID;
+
+/* Inet6Address fields */
+extern jclass ia6_class;
+extern jfieldID ia6_ipaddressID;
+extern jfieldID ia6_scopeidID;
+extern jfieldID ia6_cachedscopeidID;
+extern jfieldID ia6_scopeidsetID;
+extern jfieldID ia6_scopeifnameID;
+extern jfieldID ia6_scopeifnamesetID;
+extern jmethodID ia6_ctrID;
+
+/************************************************************************
+ *  Utilities
+ */
+JNIEXPORT void JNICALL Java_java_net_InetAddress_init(JNIEnv *env, jclass cls);
+JNIEXPORT void JNICALL Java_java_net_Inet4Address_init(JNIEnv *env, jclass cls);
+JNIEXPORT void JNICALL Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls);
+JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls);
+
+JNIEXPORT void JNICALL NET_ThrowNew(JNIEnv *env, int errorNum, char *msg);
+int NET_GetError();
+
+void NET_ThrowCurrent(JNIEnv *env, char *msg);
+
+jfieldID NET_GetFileDescriptorID(JNIEnv *env);
+
+JNIEXPORT jint JNICALL ipv6_available() ;
+
+void
+NET_AllocSockaddr(struct sockaddr **him, int *len);
+
+JNIEXPORT int JNICALL
+NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port, struct sockaddr *him, int *len, jboolean v4MappedAddress);
+
+jobject
+NET_SockaddrToInetAddress(JNIEnv *env, struct sockaddr *him, int *port);
+
+void initLocalAddrTable ();
+
+void
+NET_SetTrafficClass(struct sockaddr *him, int trafficClass);
+
+jint
+NET_GetPortFromSockaddr(struct sockaddr *him);
+
+jint
+NET_SockaddrEqualsInetAddress(JNIEnv *env,struct sockaddr *him, jobject iaObj);
+
+int
+NET_IsIPv4Mapped(jbyte* caddr);
+
+int
+NET_IPv4MappedToIPv4(jbyte* caddr);
+
+int
+NET_IsEqual(jbyte* caddr1, jbyte* caddr2);
+
+/* Socket operations
+ *
+ * These work just like the JVM_* procedures, except that they may do some
+ * platform-specific pre/post processing of the arguments and/or results.
+ */
+
+JNIEXPORT int JNICALL
+NET_GetSockOpt(int fd, int level, int opt, void *result, int *len);
+
+JNIEXPORT int JNICALL
+NET_SetSockOpt(int fd, int level, int opt, const void *arg, int len);
+
+JNIEXPORT int JNICALL
+NET_Bind(int fd, struct sockaddr *him, int len);
+
+JNIEXPORT int JNICALL
+NET_MapSocketOption(jint cmd, int *level, int *optname);
+
+JNIEXPORT int JNICALL
+NET_MapSocketOptionV6(jint cmd, int *level, int *optname);
+
+int getScopeID (struct sockaddr *);
+
+int cmpScopeID (unsigned int, struct sockaddr *);
+
+unsigned short in_cksum(unsigned short *addr, int len);
+#endif /* NET_UTILS_H */