summaryrefslogtreecommitdiff
path: root/sal/osl/unx/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'sal/osl/unx/util.c')
-rw-r--r--sal/osl/unx/util.c350
1 files changed, 350 insertions, 0 deletions
diff --git a/sal/osl/unx/util.c b/sal/osl/unx/util.c
new file mode 100644
index 000000000000..5ba04db56021
--- /dev/null
+++ b/sal/osl/unx/util.c
@@ -0,0 +1,350 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+
+#include <unistd.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+
+#ifdef SOLARIS
+#include <sys/sockio.h>
+#endif
+
+#include "osl/util.h"
+
+
+
+/*****************************************************************************/
+/* Static Module Functions */
+/*****************************************************************************/
+
+static int osl_getHWAddr(const char *ifname, char* hard_addr);
+static int osl_checkAddr(const char* addr);
+
+
+/*****************************************************************************/
+/* osl_getEthernetAddress */
+/*****************************************************************************/
+
+sal_Bool SAL_CALL osl_getEthernetAddress( sal_uInt8 * pAddr )
+{
+ char buff[1024];
+ char hard_addr[64];
+ struct ifconf ifc;
+ struct ifreq *ifr;
+ int i;
+ int so;
+
+#ifdef SOLARIS
+ /** algorithm doesn't work on solaris */
+ return sal_False;
+#else
+
+ if ( pAddr == 0 )
+ {
+ return sal_False;
+ }
+
+
+ /*
+ * All we need is ... a network file descriptor.
+ * Normally, this is a very socket.
+ */
+
+ so = socket(AF_INET, SOCK_DGRAM, 0);
+
+
+ /*
+ * The first thing we have to do, get the interface configuration.
+ * It is a list of attached/configured interfaces
+ */
+
+ ifc.ifc_len = sizeof(buff);
+ ifc.ifc_buf = buff;
+ if ( ioctl(so, SIOCGIFCONF, &ifc) < 0 )
+ {
+/* fprintf(stderr, "SIOCGIFCONF: %s\n", strerror(errno));*/
+ close(so);
+ return sal_False;
+ }
+
+ close(so);
+
+ /*
+ * For each of the interfaces in the interface list,
+ * try to get the hardware address
+ */
+
+ ifr = ifc.ifc_req;
+ for ( i = ifc.ifc_len / sizeof(struct ifreq) ; --i >= 0 ; ifr++ )
+ {
+ int nRet=0;
+ nRet = osl_getHWAddr(ifr->ifr_name,hard_addr);
+ if ( nRet > 0 )
+ {
+ memcpy( pAddr , hard_addr, 6 );
+ return sal_True;
+ }
+ }
+
+ return sal_False;
+#endif
+}
+
+
+/*****************************************************************************/
+/* osl_getHWAddr */
+/*****************************************************************************/
+
+static int osl_getHWAddr(const char *ifname, char* hard_addr)
+{
+ int ret=0;
+ struct ifreq ifr;
+ int so = socket(AF_INET, SOCK_DGRAM, 0);
+
+ strcpy(ifr.ifr_name, ifname);
+
+ /*
+ * First, get the Interface-FLAGS
+ */
+
+ ret=ioctl(so, SIOCGIFFLAGS, &ifr) ;
+
+ if ( ret < 0 )
+ {
+/* fprintf(stderr, "SIOCGIFFLAGS: %s\n", strerror(errno)); */
+ close(so);
+ return ret;
+ }
+
+
+ /*
+ * If it is the loopback device, do not consider it any further
+ */
+
+ if (ifr.ifr_flags & IFF_LOOPBACK)
+ {
+/* fprintf(stderr, "SIOCGIFFLAGS : is LOOPBACK : %s\n", strerror(errno));*/
+ close(so);
+ return 0;
+ }
+
+
+ /*
+ * And now, the real thing: the get address
+ */
+
+#ifdef SIOCGIFHWADDR
+ ret=ioctl(so, SIOCGIFHWADDR, &ifr);
+#else
+ ret=ioctl(so, SIOCGIFADDR, &ifr);
+#endif
+
+ if (ret < 0) {
+/* fprintf(stderr, "SIOCGIFADDR: %s\n", strerror(errno));*/
+ memset(hard_addr, 0, 32);
+ close(so);
+ return ret;
+ }
+
+ close(so);
+
+#ifdef SIOCGIFHWADDR
+ memcpy(hard_addr,ifr.ifr_hwaddr.sa_data,8);
+#else
+ memcpy(hard_addr,ifr.ifr_ifru.ifru_addr.sa_data,8);
+#endif
+
+
+ /*
+ * Check, if no real, i.e. 00:00:00:00:00:00, address was retrieved.
+ * The Linux dummy device has this kind of behaviour
+ */
+
+ ret=osl_checkAddr(hard_addr);
+
+ if (ret < 0) {
+/* fprintf(stderr, "SIOCGIFADDR got '00:00:00:00:00:00'\n"); */
+ return ret;
+ }
+
+/* fprintf(stderr,"interface : %s -- ",ifname);*/
+/* fprintf(stderr,"HWaddr : %s\n", print_ether(hard_addr));*/
+
+ return 1;
+}
+
+
+/*****************************************************************************/
+/* osl_checkAddr */
+/*****************************************************************************/
+
+static int osl_checkAddr(const char* addr)
+{
+ if (addr[0]==0 && addr[1]==0 &&
+ addr[2]==0 && addr[3]==0 &&
+ addr[4]==0 && addr[5]==0)
+ {
+ return -1;
+ }
+ return 0;
+}
+
+
+#if defined (SPARC)
+
+#if defined (SOLARIS) && !defined(__sparcv8plus) && !defined(__sparcv9)
+#include <sys/types.h>
+#include <sys/processor.h>
+
+/*****************************************************************************/
+/* osl_InitSparcV9 */
+/*****************************************************************************/
+
+void osl_InterlockedCountSetV9(sal_Bool bV9);
+
+/*
+ * osl_InitSparcV9() should be executed as early as possible. We place it in the
+ * .init section of sal
+ */
+#if defined ( __SUNPRO_C ) || defined ( __SUNPRO_CC )
+void osl_InitSparcV9(void);
+#pragma init (osl_InitSparcV9)
+#elif defined ( __GNUC__ )
+void osl_InitSparcV9(void) __attribute__((constructor));
+#endif
+
+void osl_InitSparcV9(void)
+{
+ /* processor_info() identifies SPARCV8 (ie sun4c machines) simply as "sparc"
+ * and SPARCV9 (ie ultra sparcs, sun4u) as "sparcv9". Since we know that we
+ * run at least on a SPARCV8 architecture or better, any processor type != "sparc"
+ * and != "i386" is considered to be SPARCV9 or better
+ *
+ * This way we are certain that this will still work if someone names SPARCV10
+ * "foobar"
+ */
+ processor_info_t aInfo;
+ int rc;
+
+ rc = processor_info(0, &aInfo);
+
+ if ( rc != -1 ) {
+ if ( !strcmp( "sparc", aInfo.pi_processor_type ) /* SPARCV8 */
+ || !strcmp( "i386", aInfo.pi_processor_type ) ) /* can't happen, but ... */
+ return;
+ /* we are reasonably certain to be on sparcv9/sparcv8plus or better */
+ osl_InterlockedCountSetV9(sal_True);
+ }
+}
+
+#endif /* SOLARIS */
+
+#if defined(NETBSD) && defined(GCC) && !defined(__sparcv9) && !defined(__sparc_v9__)
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+void osl_InitSparcV9(void) __attribute__((constructor));
+void osl_InterlockedCountSetV9(sal_Bool bV9);
+
+/* Determine which processor we are running on (sparc v8 or v9)
+ * The approach is very similar to Solaris.
+ */
+
+void osl_InitSparcV9(void)
+{
+ int mib[2]={CTL_HW,HW_MACHINE};
+ char processorname[256];
+ size_t len=256;
+
+ /* get the machine name */
+ sysctl(mib, 2, processorname, &len, NULL, 0);
+ if (!strncmp("sparc64",processorname, len)) {
+ osl_InterlockedCountSetV9(sal_True);
+ }
+}
+
+#endif /* NETBSD */
+
+#endif /* SPARC */
+
+#if defined ( LINUX ) && defined ( SPARC )
+#include <sys/utsname.h>
+void osl_InitSparcV9(void) __attribute__((constructor));
+void osl_InterlockedCountSetV9(sal_Bool bV9);
+/* Determine which processor we are running on (sparc v8 or v9)
+ * The approach is very similar to Solaris.
+ */
+void osl_InitSparcV9(void)
+{
+ struct utsname name;
+ int rc;
+ rc = uname(&name);
+ if ( rc != -1 ) {
+ if ( !strcmp( "sparc", name.machine ))
+ return;
+ osl_InterlockedCountSetV9(sal_True);
+ }
+}
+#endif
+
+#if ( defined(__GNUC__) && (defined(X86) || defined(X86_64)) )\
+ || ( defined(SOLARIS) && defined (__SUNPRO_C) && defined(__i386) )
+
+/* Safe default */
+int osl_isSingleCPU = 0;
+
+/* Determine if we are on a multiprocessor/multicore/HT x86/x64 system
+ *
+ * The lock prefix for atomic operations in osl_[inc|de]crementInterlockedCount()
+ * comes with a cost and is especially expensive on pre HT x86 single processor
+ * systems, where it isn't needed at all.
+ *
+ * This should be run as early as possible, thus it's placed in the init section
+ */
+#if defined(_SC_NPROCESSORS_CONF) /* i.e. MACOSX for Intel doesn't have this */
+#if defined(__GNUC__)
+void osl_interlockedCountCheckForSingleCPU(void) __attribute__((constructor));
+#elif defined(__SUNPRO_C)
+void osl_interlockedCountCheckForSingleCPU(void);
+#pragma init (osl_interlockedCountCheckForSingleCPU)
+#endif
+
+void osl_interlockedCountCheckForSingleCPU(void)
+{
+ /* In case sysconfig fails be on the safe side,
+ * consider it a multiprocessor/multicore/HT system */
+ if ( sysconf(_SC_NPROCESSORS_CONF) == 1 ) {
+ osl_isSingleCPU = 1;
+ }
+}
+#endif /* defined(_SC_NPROCESSORS_CONF) */
+#endif