bf5d810ff1
* java/net/NetworkInterface.java (static): Removed. (NetworkInterface(String,InetAddress)): Made package-private. (NetworkInterface(String,InetAddress[])): New constructor. (getRealNetworkInterfaces): Removed. (getByName): Use VMNetworkInterface.getInterfaces(). (getByInetAddress): Likewise. (getNetworkInterfaces): Likewise. * java/net/VMNetworkInterface.java, java/net/natVMNetworkInterfaceNoNet.cc, java/net/natVMNetworkInterfacePosix.c,c java/net/natVMNetworkInterfaceWin32.cc: New files. * java/net/natNetworkInterfaceNoNet.cc, java/net/natNetworkInterfacePosix.cc, java/net/natNetworkInterfaceWin32.cc: Removed. * configure.ac * Makefile.am * configure, Makefile.in: Regenerated. From-SVN: r99021
117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/* Copyright (C) 2003, 2005 Free Software Foundation
|
|
|
|
This file is part of libgcj.
|
|
|
|
This software is copyrighted work licensed under the terms of the
|
|
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
details. */
|
|
|
|
#include <config.h>
|
|
#include <platform.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#ifdef HAVE_ARPA_INET_H
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
#ifdef HAVE_NETDB_H
|
|
#include <netdb.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_IOCTL_H
|
|
#define BSD_COMP /* Get FIONREAD on Solaris2. */
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
#ifdef HAVE_NET_IF_H
|
|
#include <net/if.h>
|
|
#endif
|
|
|
|
#include <gcj/cni.h>
|
|
#include <jvm.h>
|
|
#include <java/net/Inet4Address.h>
|
|
#include <java/net/NetworkInterface.h>
|
|
#include <java/net/SocketException.h>
|
|
#include <java/net/VMNetworkInterface.h>
|
|
#include <java/util/Vector.h>
|
|
|
|
::java::util::Vector*
|
|
java::net::VMNetworkInterface::getInterfaces ()
|
|
{
|
|
int fd;
|
|
int num_interfaces = 0;
|
|
struct ifconf if_data;
|
|
struct ifreq* if_record;
|
|
::java::util::Vector* ht = new ::java::util::Vector ();
|
|
|
|
if_data.ifc_len = 0;
|
|
if_data.ifc_buf = NULL;
|
|
|
|
// Open a (random) socket to have a file descriptor for the ioctl calls.
|
|
fd = _Jv_socket (PF_INET, SOCK_DGRAM, htons (IPPROTO_IP));
|
|
|
|
if (fd < 0)
|
|
throw new ::java::net::SocketException;
|
|
|
|
// Get all interfaces. If not enough buffers are available try it
|
|
// with a bigger buffer size.
|
|
do
|
|
{
|
|
num_interfaces += 16;
|
|
|
|
if_data.ifc_len = sizeof (struct ifreq) * num_interfaces;
|
|
if_data.ifc_buf =
|
|
(char*) _Jv_Realloc (if_data.ifc_buf, if_data.ifc_len);
|
|
|
|
// Try to get all local interfaces.
|
|
if (::ioctl (fd, SIOCGIFCONF, &if_data) < 0)
|
|
throw new java::net::SocketException;
|
|
}
|
|
while (if_data.ifc_len >= (sizeof (struct ifreq) * num_interfaces));
|
|
|
|
// Get addresses of all interfaces.
|
|
if_record = if_data.ifc_req;
|
|
|
|
for (int n = 0; n < if_data.ifc_len; n += sizeof (struct ifreq))
|
|
{
|
|
struct ifreq ifr;
|
|
|
|
memset (&ifr, 0, sizeof (ifr));
|
|
strcpy (ifr.ifr_name, if_record->ifr_name);
|
|
|
|
// Try to get the IPv4-address of the local interface
|
|
if (::ioctl (fd, SIOCGIFADDR, &ifr) < 0)
|
|
throw new java::net::SocketException;
|
|
|
|
int len = 4;
|
|
struct sockaddr_in sa = *((sockaddr_in*) &(ifr.ifr_addr));
|
|
|
|
jbyteArray baddr = JvNewByteArray (len);
|
|
memcpy (elements (baddr), &(sa.sin_addr), len);
|
|
jstring if_name = JvNewStringLatin1 (if_record->ifr_name);
|
|
Inet4Address* address =
|
|
new java::net::Inet4Address (baddr, JvNewStringLatin1 (""));
|
|
ht->add (new NetworkInterface (if_name, address));
|
|
if_record++;
|
|
}
|
|
|
|
#ifdef HAVE_INET6
|
|
// FIXME: read /proc/net/if_inet6 (on Linux 2.4)
|
|
#endif
|
|
|
|
_Jv_Free (if_data.ifc_buf);
|
|
|
|
if (fd >= 0)
|
|
_Jv_close (fd);
|
|
|
|
return ht;
|
|
}
|