J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #ifndef NET_UTILS_H |
| 27 | #define NET_UTILS_H |
| 28 | |
| 29 | #include "jvm.h" |
| 30 | #include "jni_util.h" |
| 31 | #include "net_util_md.h" |
| 32 | |
| 33 | /************************************************************************ |
| 34 | * Macros and misc constants |
| 35 | */ |
| 36 | |
| 37 | #define MAX_PACKET_LEN 65536 |
| 38 | |
| 39 | #define IPv4 1 |
| 40 | #define IPv6 2 |
| 41 | |
| 42 | #define NET_ERROR(env, ex, msg) \ |
| 43 | { if (!(*env)->ExceptionOccurred(env)) JNU_ThrowByName(env, ex, msg) } |
| 44 | |
| 45 | #define CHECK_NULL(x) if ((x) == NULL) return; |
| 46 | #define CHECK_NULL_RETURN(x, y) if ((x) == NULL) return y; |
| 47 | |
| 48 | /************************************************************************ |
| 49 | * Cached field IDs |
| 50 | * |
| 51 | * The naming convention for field IDs is |
| 52 | * <class abbrv>_<fieldName>ID |
| 53 | * i.e. psi_timeoutID is PlainSocketImpl's timeout field's ID. |
| 54 | */ |
| 55 | extern jclass ia_class; |
| 56 | extern jfieldID ia_addressID; |
| 57 | extern jfieldID ia_familyID; |
| 58 | extern jfieldID ia_preferIPv6AddressID; |
| 59 | |
| 60 | extern jclass ia4_class; |
| 61 | extern jmethodID ia4_ctrID; |
| 62 | |
| 63 | /* NetworkInterface fields */ |
| 64 | extern jclass ni_class; |
| 65 | extern jfieldID ni_nameID; |
| 66 | extern jfieldID ni_indexID; |
| 67 | extern jfieldID ni_addrsID; |
| 68 | extern jfieldID ni_descID; |
| 69 | extern jmethodID ni_ctrID; |
| 70 | |
| 71 | /* PlainSocketImpl fields */ |
| 72 | extern jfieldID psi_timeoutID; |
| 73 | extern jfieldID psi_fdID; |
| 74 | extern jfieldID psi_addressID; |
| 75 | extern jfieldID psi_portID; |
| 76 | extern jfieldID psi_localportID; |
| 77 | |
| 78 | /* DatagramPacket fields */ |
| 79 | extern jfieldID dp_addressID; |
| 80 | extern jfieldID dp_portID; |
| 81 | extern jfieldID dp_bufID; |
| 82 | extern jfieldID dp_offsetID; |
| 83 | extern jfieldID dp_lengthID; |
| 84 | extern jfieldID dp_bufLengthID; |
| 85 | |
| 86 | /* Inet6Address fields */ |
| 87 | extern jclass ia6_class; |
| 88 | extern jfieldID ia6_ipaddressID; |
| 89 | extern jfieldID ia6_scopeidID; |
| 90 | extern jfieldID ia6_cachedscopeidID; |
| 91 | extern jfieldID ia6_scopeidsetID; |
| 92 | extern jfieldID ia6_scopeifnameID; |
| 93 | extern jfieldID ia6_scopeifnamesetID; |
| 94 | extern jmethodID ia6_ctrID; |
| 95 | |
| 96 | /************************************************************************ |
| 97 | * Utilities |
| 98 | */ |
| 99 | JNIEXPORT void JNICALL Java_java_net_InetAddress_init(JNIEnv *env, jclass cls); |
| 100 | JNIEXPORT void JNICALL Java_java_net_Inet4Address_init(JNIEnv *env, jclass cls); |
| 101 | JNIEXPORT void JNICALL Java_java_net_Inet6Address_init(JNIEnv *env, jclass cls); |
| 102 | JNIEXPORT void JNICALL Java_java_net_NetworkInterface_init(JNIEnv *env, jclass cls); |
| 103 | |
| 104 | JNIEXPORT void JNICALL NET_ThrowNew(JNIEnv *env, int errorNum, char *msg); |
| 105 | int NET_GetError(); |
| 106 | |
| 107 | void NET_ThrowCurrent(JNIEnv *env, char *msg); |
| 108 | |
| 109 | jfieldID NET_GetFileDescriptorID(JNIEnv *env); |
| 110 | |
| 111 | JNIEXPORT jint JNICALL ipv6_available() ; |
| 112 | |
| 113 | void |
| 114 | NET_AllocSockaddr(struct sockaddr **him, int *len); |
| 115 | |
| 116 | JNIEXPORT int JNICALL |
| 117 | NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port, struct sockaddr *him, int *len, jboolean v4MappedAddress); |
| 118 | |
| 119 | jobject |
| 120 | NET_SockaddrToInetAddress(JNIEnv *env, struct sockaddr *him, int *port); |
| 121 | |
| 122 | void initLocalAddrTable (); |
| 123 | |
| 124 | void |
| 125 | NET_SetTrafficClass(struct sockaddr *him, int trafficClass); |
| 126 | |
| 127 | jint |
| 128 | NET_GetPortFromSockaddr(struct sockaddr *him); |
| 129 | |
| 130 | jint |
| 131 | NET_SockaddrEqualsInetAddress(JNIEnv *env,struct sockaddr *him, jobject iaObj); |
| 132 | |
| 133 | int |
| 134 | NET_IsIPv4Mapped(jbyte* caddr); |
| 135 | |
| 136 | int |
| 137 | NET_IPv4MappedToIPv4(jbyte* caddr); |
| 138 | |
| 139 | int |
| 140 | NET_IsEqual(jbyte* caddr1, jbyte* caddr2); |
| 141 | |
| 142 | /* Socket operations |
| 143 | * |
| 144 | * These work just like the JVM_* procedures, except that they may do some |
| 145 | * platform-specific pre/post processing of the arguments and/or results. |
| 146 | */ |
| 147 | |
| 148 | JNIEXPORT int JNICALL |
| 149 | NET_GetSockOpt(int fd, int level, int opt, void *result, int *len); |
| 150 | |
| 151 | JNIEXPORT int JNICALL |
| 152 | NET_SetSockOpt(int fd, int level, int opt, const void *arg, int len); |
| 153 | |
| 154 | JNIEXPORT int JNICALL |
| 155 | NET_Bind(int fd, struct sockaddr *him, int len); |
| 156 | |
| 157 | JNIEXPORT int JNICALL |
| 158 | NET_MapSocketOption(jint cmd, int *level, int *optname); |
| 159 | |
| 160 | JNIEXPORT int JNICALL |
| 161 | NET_MapSocketOptionV6(jint cmd, int *level, int *optname); |
| 162 | |
| 163 | int getScopeID (struct sockaddr *); |
| 164 | |
| 165 | int cmpScopeID (unsigned int, struct sockaddr *); |
| 166 | |
| 167 | unsigned short in_cksum(unsigned short *addr, int len); |
| 168 | #endif /* NET_UTILS_H */ |