mirror of
https://github.com/openjdk/jdk.git
synced 2026-01-29 12:38:24 +00:00
2ca4ff87b7
Co-authored-by: Chris Hegarty <chegar@openjdk.org> Co-authored-by: Daniel Fuchs <dfuchs@openjdk.org> Co-authored-by: Alan Bateman <alanb@openjdk.org> Reviewed-by: dfuchs, alanb, michaelm, chegar
199 lines
6.6 KiB
C
199 lines
6.6 KiB
C
/*
|
|
* Copyright (c) 1997, 2021, Oracle and/or its affiliates. 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. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.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 NET_WAIT_READ 0x01
|
|
#define NET_WAIT_WRITE 0x02
|
|
#define NET_WAIT_CONNECT 0x04
|
|
|
|
/************************************************************************
|
|
* Cached field IDs
|
|
*
|
|
* The naming convention for field IDs is
|
|
* <class abbrv>_<fieldName>ID
|
|
*/
|
|
extern jclass ia_class;
|
|
extern jfieldID iac_addressID;
|
|
extern jfieldID iac_familyID;
|
|
extern jfieldID iac_hostNameID;
|
|
extern jfieldID iac_origHostNameID;
|
|
|
|
JNIEXPORT void JNICALL initInetAddressIDs(JNIEnv *env);
|
|
|
|
/** (Inet6Address accessors)
|
|
* set_ methods return JNI_TRUE on success JNI_FALSE on error
|
|
* get_ methods that return int/boolean, return -1 on error
|
|
* get_ methods that return objects return NULL on error.
|
|
*/
|
|
extern jboolean setInet6Address_scopeifname(JNIEnv *env, jobject ia6Obj, jobject scopeifname);
|
|
extern unsigned int getInet6Address_scopeid(JNIEnv *env, jobject ia6Obj);
|
|
extern jboolean setInet6Address_scopeid(JNIEnv *env, jobject ia6Obj, int scopeid);
|
|
extern jboolean getInet6Address_ipaddress(JNIEnv *env, jobject ia6Obj, char *dest);
|
|
extern jboolean setInet6Address_ipaddress(JNIEnv *env, jobject ia6Obj, char *address);
|
|
|
|
extern void setInetAddress_addr(JNIEnv *env, jobject iaObj, int address);
|
|
extern void setInetAddress_family(JNIEnv *env, jobject iaObj, int family);
|
|
extern void setInetAddress_hostName(JNIEnv *env, jobject iaObj, jobject h);
|
|
extern int getInetAddress_addr(JNIEnv *env, jobject iaObj);
|
|
extern int getInetAddress_family(JNIEnv *env, jobject iaObj);
|
|
|
|
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;
|
|
|
|
/* 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_holder6ID;
|
|
extern jfieldID ia6_ipaddressID;
|
|
extern jfieldID ia6_scopeidID;
|
|
extern jfieldID ia6_scopeidsetID;
|
|
extern jfieldID ia6_scopeifnameID;
|
|
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);
|
|
|
|
void NET_ThrowCurrent(JNIEnv *env, char *msg);
|
|
|
|
jfieldID NET_GetFileDescriptorID(JNIEnv *env);
|
|
|
|
JNIEXPORT jint JNICALL ipv4_available();
|
|
JNIEXPORT jint JNICALL ipv6_available();
|
|
|
|
JNIEXPORT jint JNICALL reuseport_available();
|
|
|
|
/**
|
|
* This function will fill a SOCKETADDRESS structure from an InetAddress
|
|
* object.
|
|
*
|
|
* The parameter 'sa' must point to valid storage of size
|
|
* 'sizeof(SOCKETADDRESS)'.
|
|
*
|
|
* The parameter 'len' is a pointer to an int and is used for returning
|
|
* the actual sockaddr length, e.g. 'sizeof(struct sockaddr_in)' or
|
|
* 'sizeof(struct sockaddr_in6)'.
|
|
*
|
|
* If the type of the InetAddress object is IPv6, the function will fill a
|
|
* sockaddr_in6 structure. IPv6 must be available in that case, otherwise an
|
|
* exception is thrown.
|
|
* In the case of an IPv4 InetAddress, when IPv6 is available and
|
|
* v4MappedAddress is TRUE, this method will fill a sockaddr_in6 structure
|
|
* containing an IPv4 mapped IPv6 address. Otherwise a sockaddr_in
|
|
* structure will be filled.
|
|
*/
|
|
JNIEXPORT int JNICALL
|
|
NET_InetAddressToSockaddr(JNIEnv *env, jobject iaObj, int port,
|
|
SOCKETADDRESS *sa, int *len,
|
|
jboolean v4MappedAddress);
|
|
|
|
JNIEXPORT jobject JNICALL
|
|
NET_SockaddrToInetAddress(JNIEnv *env, SOCKETADDRESS *sa, int *port);
|
|
|
|
void platformInit();
|
|
|
|
JNIEXPORT jint JNICALL NET_GetPortFromSockaddr(SOCKETADDRESS *sa);
|
|
|
|
JNIEXPORT jboolean JNICALL
|
|
NET_SockaddrEqualsInetAddress(JNIEnv *env, SOCKETADDRESS *sa, jobject iaObj);
|
|
|
|
int NET_IsIPv4Mapped(jbyte* caddr);
|
|
|
|
int NET_IPv4MappedToIPv4(jbyte* caddr);
|
|
|
|
int NET_IsEqual(jbyte* caddr1, jbyte* caddr2);
|
|
|
|
int NET_IsZeroAddr(jbyte* caddr);
|
|
|
|
/* Socket operations
|
|
*
|
|
* These work just like the system calls, except that they may do some
|
|
* platform-specific pre/post processing of the arguments and/or results.
|
|
*/
|
|
|
|
JNIEXPORT int JNICALL
|
|
NET_SocketAvailable(int fd, int *pbytes);
|
|
|
|
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, SOCKETADDRESS *sa, int len);
|
|
|
|
JNIEXPORT int JNICALL
|
|
NET_MapSocketOption(jint cmd, int *level, int *optname);
|
|
|
|
JNIEXPORT int JNICALL
|
|
NET_MapSocketOptionV6(jint cmd, int *level, int *optname);
|
|
|
|
JNIEXPORT jint JNICALL
|
|
NET_EnableFastTcpLoopback(int fd);
|
|
|
|
unsigned short in_cksum(unsigned short *addr, int len);
|
|
|
|
jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout);
|
|
|
|
int lookupCharacteristicsToAddressFamily(int characteristics);
|
|
|
|
int addressesInSystemOrder(int characteristics);
|
|
|
|
#endif /* NET_UTILS_H */
|