author | xdono |
Thu, 02 Oct 2008 19:58:32 -0700 | |
changeset 1247 | b4c26443dee5 |
parent 1152 | 29d6145d1097 |
child 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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#ifndef NET_UTILS_H |
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#define NET_UTILS_H |
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#include "jvm.h" |
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#include "jni_util.h" |
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#include "net_util_md.h" |
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/************************************************************************ |
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* Macros and misc constants |
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*/ |
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#define MAX_PACKET_LEN 65536 |
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#define IPv4 1 |
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#define IPv6 2 |
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#define NET_ERROR(env, ex, msg) \ |
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{ if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) } |
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#define CHECK_NULL(x) if ((x) == NULL) return; |
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#define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y; |
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/************************************************************************ |
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* Cached field IDs |
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* |
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* The naming convention for field IDs is |
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* <class abbrv>_<fieldName>ID |
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* i.e. psi_timeoutID is PlainSocketImpl's timeout field's ID. |
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*/ |
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extern jclass ia_class; |
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extern jfieldID ia_addressID; |
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extern jfieldID ia_familyID; |
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extern jfieldID ia_preferIPv6AddressID; |
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extern jclass ia4_class; |
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extern jmethodID ia4_ctrID; |
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/* NetworkInterface fields */ |
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extern jclass ni_class; |
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extern jfieldID ni_nameID; |
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extern jfieldID ni_indexID; |
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extern jfieldID ni_addrsID; |
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extern jfieldID ni_descID; |
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extern jmethodID ni_ctrID; |
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/* PlainSocketImpl fields */ |
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extern jfieldID psi_timeoutID; |
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extern jfieldID psi_fdID; |
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extern jfieldID psi_addressID; |
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extern jfieldID psi_portID; |
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extern jfieldID psi_localportID; |
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/* DatagramPacket fields */ |
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extern jfieldID dp_addressID; |
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extern jfieldID dp_portID; |
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extern jfieldID dp_bufID; |
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extern jfieldID dp_offsetID; |
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extern jfieldID dp_lengthID; |
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extern jfieldID dp_bufLengthID; |
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/* Inet6Address fields */ |
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extern jclass ia6_class; |
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extern jfieldID ia6_ipaddressID; |
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extern jfieldID ia6_scopeidID; |
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extern jfieldID ia6_cachedscopeidID; |
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extern jfieldID ia6_scopeidsetID; |
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extern jfieldID ia6_scopeifnameID; |
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extern jfieldID ia6_scopeifnamesetID; |
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extern jmethodID ia6_ctrID; |
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/************************************************************************ |
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* Utilities |
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*/ |
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JNIEXPORT void JNICALL Java_java_net_InetAddress_init(JNIEnv *env, jclass cls); |
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JNIEXPORT void JNICALL Java_java_net_Inet4Address_init(JNIEnv *env, jclass cls); |
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JNIEXPORT void JNICALL Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls); |
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JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls); |
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JNIEXPORT void JNICALL NET_ThrowNew(JNIEnv *env, int errorNum, char *msg); |
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int NET_GetError(); |
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void NET_ThrowCurrent(JNIEnv *env, char *msg); |
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jfieldID NET_GetFileDescriptorID(JNIEnv *env); |
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JNIEXPORT jint JNICALL ipv6_available() ; |
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void |
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NET_AllocSockaddr(struct sockaddr **him, int *len); |
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JNIEXPORT int JNICALL |
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NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port, struct sockaddr *him, int *len, jboolean v4MappedAddress); |
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JNIEXPORT jobject JNICALL |
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NET_SockaddrToInetAddress(JNIEnv *env, struct sockaddr *him, int *port); |
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void initLocalAddrTable (); |
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void |
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NET_SetTrafficClass(struct sockaddr *him, int trafficClass); |
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JNIEXPORT jint JNICALL |
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NET_GetPortFromSockaddr(struct sockaddr *him); |
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JNIEXPORT jint JNICALL |
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NET_SockaddrEqualsInetAddress(JNIEnv *env,struct sockaddr *him, jobject iaObj); |
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int |
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NET_IsIPv4Mapped(jbyte* caddr); |
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int |
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NET_IPv4MappedToIPv4(jbyte* caddr); |
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int |
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NET_IsEqual(jbyte* caddr1, jbyte* caddr2); |
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/* Socket operations |
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* |
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* These work just like the JVM_* procedures, except that they may do some |
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* platform-specific pre/post processing of the arguments and/or results. |
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*/ |
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JNIEXPORT int JNICALL |
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NET_GetSockOpt(int fd, int level, int opt, void *result, int *len); |
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JNIEXPORT int JNICALL |
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NET_SetSockOpt(int fd, int level, int opt, const void *arg, int len); |
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JNIEXPORT int JNICALL |
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NET_Bind(int fd, struct sockaddr *him, int len); |
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JNIEXPORT int JNICALL |
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NET_MapSocketOption(jint cmd, int *level, int *optname); |
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JNIEXPORT int JNICALL |
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NET_MapSocketOptionV6(jint cmd, int *level, int *optname); |
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int getScopeID (struct sockaddr *); |
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int cmpScopeID (unsigned int, struct sockaddr *); |
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unsigned short in_cksum(unsigned short *addr, int len); |
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#endif /* NET_UTILS_H */ |