2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
11 * afs_util.c - miscellaneous AFS client utility functions
15 #include <afsconfig.h>
16 #include "afs/param.h"
21 #include "afs/sysincludes.h" /* Standard vendor system headers */
25 #include <netinet/in.h>
28 #include "h/hashing.h"
30 #if !defined(AFS_HPUX110_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN60_ENV)
31 #include <netinet/in_var.h>
32 #endif /* ! AFS_HPUX110_ENV */
33 #endif /* !defined(UKERNEL) */
35 #include "afsincludes.h" /* Afs-based standard headers */
36 #include "afs/afs_stats.h" /* afs statistics */
38 #if defined(AFS_SUN56_ENV)
40 #include <inet/common.h>
41 #if defined(AFS_SUN58_ENV)
42 #include <netinet/ip6.h>
47 #if defined(AFS_AIX_ENV)
48 #include <sys/fp_io.h>
52 char *afs_cv2string(char *ttp, afs_uint32 aval)
54 register char *tp = ttp;
58 AFS_STATCNT(afs_cv2string);
74 #ifndef afs_strcasecmp
75 int afs_strcasecmp(char *s1, char *s2)
82 if (c1 >= 'A' && c1 <= 'Z') c1 += 0x20;
83 if (c2 >= 'A' && c2 <= 'Z') c2 += 0x20;
93 char *afs_strcat(char *s1, char *s2)
101 while ((*s1++ = *s2++))
108 char *afs_strchr(char *s, int c)
119 char *afs_strdup(char *s)
125 n = (char *) afs_osi_Alloc(cc);
132 void print_internet_address(char *preamble, struct srvAddr *sa,
133 char *postamble, int flag)
135 register struct server *aserver = sa->server;
139 AFS_STATCNT(print_internet_address);
140 address = ntohl(sa->sa_ip);
141 if (aserver->flags & SRVR_MULTIHOMED) {
142 if (flag == 1) { /* server down mesg */
143 if (!(aserver->flags & SRVR_ISDOWN))
144 ptr = " (multi-homed address; other same-host interfaces maybe up)\n";
146 ptr = " (all multi-homed ip addresses down for the server)\n";
147 } else if (flag == 2) { /* server up mesg */
148 ptr = " (multi-homed address; other same-host interfaces may still be down)\n";
151 afs_warn("%s%d.%d.%d.%d in cell %s%s%s",
152 preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
153 aserver->cell->cellName, postamble, ptr);
154 afs_warnuser("%s%d.%d.%d.%d in cell %s%s%s",
155 preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
156 aserver->cell->cellName, postamble, ptr);
158 } /*print_internet_address*/
163 * this code badly needs to be cleaned up... too many ugly ifdefs.
167 void afs_warn(char *a, long b, long c, long d, long e, long f,
168 long g, long h, long i, long j)
170 void afs_warn(a,b,c,d,e,f,g,h,i,j)
172 #if defined( AFS_USE_VOID_PTR)
173 void *b, *c, *d, *e, *f, *g, *h, *i, *j;
175 long b,c,d,e,f,g,h,i,j;
179 AFS_STATCNT(afs_warn);
181 if (afs_showflags & GAGCONSOLE)
183 #if defined(AFS_AIX_ENV)
186 /* cf. console_printf() in oncplus/kernext/nfs/serv/shared.c */
187 if (fp_open("/dev/console",O_WRONLY|O_NOCTTY|O_NDELAY,
188 0666,0,FP_SYS,&fd) == 0) {
193 sprintf(buf, a,b,c,d,e,f,g,h,i,j);
195 fp_write(fd, buf, len, 0, UIO_SYSSPACE, &count);
199 printf(a,b,c,d,e,f,g,h,i,j);
205 void afs_warnuser(char *a, long b, long c, long d, long e, long f,
206 long g, long h, long i, long j)
208 void afs_warnuser(a,b,c,d,e,f,g,h,i,j)
210 long b,c,d,e,f,g,h,i,j;
213 AFS_STATCNT(afs_warnuser);
214 if (afs_showflags & GAGUSER)
216 #ifdef AFS_GLOBAL_SUNLOCK
217 int haveGlock = ISAFS_GLOCK();
220 #endif /* AFS_GLOBAL_SUNLOCK */
222 uprintf(a,b,c,d,e,f,g,h,i,j);
224 #ifdef AFS_GLOBAL_SUNLOCK
227 #endif /* AFS_GLOBAL_SUNLOCK */
232 /* run everywhere, checking locks */
233 void afs_CheckLocks(void)
237 afs_warn("Looking for locked data structures.\n");
238 afs_warn("conn %x, volume %x, user %x, cell %x, server %x\n",
239 afs_xconn, afs_xvolume, afs_xuser, afs_xcell, afs_xserver);
241 register struct vcache *tvc;
242 AFS_STATCNT(afs_CheckLocks);
244 for(i=0;i<VCSIZE;i++) {
245 for(tvc = afs_vhashT[i]; tvc; tvc=tvc->hnext) {
247 if (VREFCOUNT(tvc) > 1)
248 #else /* AFS_OSF_ENV */
251 afs_warn("Stat cache entry at %x is held\n", tvc);
252 if (CheckLock(&tvc->lock))
253 afs_warn("Stat entry at %x is locked\n", tvc);
258 register struct dcache *tdc;
259 for (i=0;i<afs_cacheFiles;i++) {
260 tdc = afs_indexTable[i];
263 afs_warn("Disk entry %d at %x is held\n", i, tdc);
265 if (afs_indexFlags[i] & IFDataMod)
266 afs_warn("Disk entry %d at %x has IFDataMod flag set.\n", i, tdc);
273 for (i=0;i<NSERVERS;i++) {
274 for (ts = afs_servers[i]; ts; ts=ts->next) {
275 if (ts->flags & SRVR_ISDOWN)
276 printf("Server entry %x is marked down\n", ts);
277 for (sa = ts->addr; sa; sa = sa->next_sa) {
278 for (tc = sa->conns; tc; tc=tc->next) {
280 afs_warn("conn at %x (server %x) is held\n", tc, sa->sa_ip);
288 for (i=0;i<NVOLS;i++) {
289 for (tv = afs_volumes[i]; tv; tv=tv->next) {
290 if (CheckLock(&tv->lock))
291 afs_warn("volume at %x is locked\n", tv);
293 afs_warn("volume at %x is held\n", tv);
300 for (i=0;i<NUSERS;i++) {
301 for (tu = afs_users[i]; tu; tu=tu->next) {
302 if (tu->refCount) printf("user at %x is held\n", tu);
312 AFS_STATCNT(afs_noop);
322 AFS_STATCNT(afs_badop);
323 osi_Panic("afs bad vnode op");
328 * afs_data_pointer_to_int32() - returns least significant afs_int32 of the
329 * given data pointer, without triggering "cast truncates pointer"
330 * warnings. We use this where we explicitly don't care whether a
331 * pointer is truncated -- it loses information where a pointer is
332 * larger than an afs_int32.
335 afs_int32 afs_data_pointer_to_int32(const void *p)
338 afs_int32 i32[sizeof(void *)/sizeof(afs_int32)];
342 int i32_sub; /* subscript of least significant afs_int32 in ip.i32[] */
347 /* used to determine the byte order of the system */
350 char c[sizeof(int)/sizeof(char)];
356 /* little-endian system */
359 /* big-endian system */
360 i32_sub = (sizeof ip.i32 / sizeof ip.i32[0]) - 1;
365 return ip.i32[i32_sub];