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"
20 #include "../afs/stds.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)
31 #include <netinet/in_var.h>
32 #endif /* ! AFS_HPUX110_ENV */
33 #endif /* !defined(UKERNEL) */
35 #include "../afs/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>
51 extern struct volume *afs_volumes[NVOLS];
53 char *afs_cv2string(char *ttp, afs_uint32 aval)
55 register char *tp = ttp;
59 AFS_STATCNT(afs_cv2string);
74 void print_internet_address(char *preamble, struct srvAddr *sa,
75 char *postamble, int flag)
77 register struct server *aserver = sa->server;
81 AFS_STATCNT(print_internet_address);
82 address = ntohl(sa->sa_ip);
83 if (aserver->flags & SRVR_MULTIHOMED) {
84 if (flag == 1) { /* server down mesg */
85 if (!(aserver->flags & SRVR_ISDOWN))
86 ptr = " (multi-homed address; other same-host interfaces maybe up)\n";
88 ptr = " (all multi-homed ip addresses down for the server)\n";
89 } else if (flag == 2) { /* server up mesg */
90 ptr = " (multi-homed address; other same-host interfaces may still be down)\n";
93 afs_warn("%s%d.%d.%d.%d in cell %s%s%s",
94 preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
95 aserver->cell->cellName, postamble, ptr);
96 afs_warnuser("%s%d.%d.%d.%d in cell %s%s%s",
97 preamble, (address >> 24), (address >> 16) & 0xff, (address >> 8) & 0xff, (address) & 0xff,
98 aserver->cell->cellName, postamble, ptr);
100 } /*print_internet_address*/
105 * this code badly needs to be cleaned up... too many ugly ifdefs.
108 extern afs_int32 afs_showflags;
110 afs_warn(a,b,c,d,e,f,g,h,i,j)
112 long b,c,d,e,f,g,h,i,j;
114 AFS_STATCNT(afs_warn);
116 if (afs_showflags & GAGCONSOLE)
118 #if defined(AFS_AIX_ENV)
121 /* cf. console_printf() in oncplus/kernext/nfs/serv/shared.c */
122 if (fp_open("/dev/console",O_WRONLY|O_NOCTTY|O_NDELAY,
123 0666,0,FP_SYS,&fd) == 0) {
128 sprintf(buf, a,b,c,d,e,f,g,h,i,j);
130 fp_write(fd, buf, len, 0, UIO_SYSSPACE, &count);
134 printf(a,b,c,d,e,f,g,h,i,j);
139 afs_warnuser(a,b,c,d,e,f,g,h,i,j)
141 long b,c,d,e,f,g,h,i,j;
143 AFS_STATCNT(afs_warnuser);
144 if (afs_showflags & GAGUSER)
146 #ifdef AFS_GLOBAL_SUNLOCK
147 int haveGlock = ISAFS_GLOCK();
150 #endif /* AFS_GLOBAL_SUNLOCK */
152 uprintf(a,b,c,d,e,f,g,h,i,j);
154 #ifdef AFS_GLOBAL_SUNLOCK
157 #endif /* AFS_GLOBAL_SUNLOCK */
162 /* run everywhere, checking locks */
163 void afs_CheckLocks()
166 extern afs_rwlock_t afs_xconn, afs_xvolume, afs_xuser, afs_xcell;
167 extern afs_rwlock_t afs_xserver;
168 extern struct server *afs_servers[NSERVERS];
169 extern struct unixuser *afs_users[NUSERS];
170 extern unsigned char *afs_indexFlags;
173 afs_warn("Looking for locked data structures.\n");
174 afs_warn("conn %x, volume %x, user %x, cell %x, server %x\n",
175 afs_xconn, afs_xvolume, afs_xuser, afs_xcell, afs_xserver);
177 register struct vcache *tvc;
178 AFS_STATCNT(afs_CheckLocks);
180 for(i=0;i<VCSIZE;i++) {
181 for(tvc = afs_vhashT[i]; tvc; tvc=tvc->hnext) {
183 if (tvc->vrefCount > 1)
184 #else /* AFS_OSF_ENV */
187 afs_warn("Stat cache entry at %x is held\n", tvc);
188 if (CheckLock(&tvc->lock))
189 afs_warn("Stat entry at %x is locked\n", tvc);
194 register struct dcache *tdc;
195 for (i=0;i<afs_cacheFiles;i++) {
196 tdc = afs_indexTable[i];
199 afs_warn("Disk entry %d at %x is held\n", i, tdc);
201 if (afs_indexFlags[i] & IFDataMod)
202 afs_warn("Disk entry %d at %x has IFDataMod flag set.\n", i, tdc);
209 for (i=0;i<NSERVERS;i++) {
210 for (ts = afs_servers[i]; ts; ts=ts->next) {
211 if (ts->flags & SRVR_ISDOWN)
212 printf("Server entry %x is marked down\n", ts);
213 for (sa = ts->addr; sa; sa = sa->next_sa) {
214 for (tc = sa->conns; tc; tc=tc->next) {
216 afs_warn("conn at %x (server %x) is held\n", tc, sa->sa_ip);
224 for (i=0;i<NVOLS;i++) {
225 for (tv = afs_volumes[i]; tv; tv=tv->next) {
226 if (CheckLock(&tv->lock))
227 afs_warn("volume at %x is locked\n", tv);
229 afs_warn("volume at %x is held\n", tv);
236 for (i=0;i<NUSERS;i++) {
237 for (tu = afs_users[i]; tu; tu=tu->next) {
238 if (tu->refCount) printf("user at %x is held\n", tu);
247 AFS_STATCNT(afs_noop);
256 AFS_STATCNT(afs_badop);
257 osi_Panic("afs bad vnode op");
258 return 0; /* make SGI C compiler happy */
262 * afs_data_pointer_to_int32() - returns least significant afs_int32 of the
263 * given data pointer, without triggering "cast truncates pointer"
264 * warnings. We use this where we explicitly don't care whether a
265 * pointer is truncated -- it loses information where a pointer is
266 * larger than an afs_int32.
270 afs_data_pointer_to_int32(const void *p)
273 afs_int32 i32[sizeof(void *)/sizeof(afs_int32)];
277 int i32_sub; /* subscript of least significant afs_int32 in ip.i32[] */
282 /* used to determine the byte order of the system */
285 char c[sizeof(int)/sizeof(char)];
291 /* little-endian system */
294 /* big-endian system */
295 i32_sub = (sizeof ip.i32 / sizeof ip.i32[0]) - 1;
300 return ip.i32[i32_sub];