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 * Information Technology Center
15 * The Andrew File System startup process. It is responsible for
16 * reading and parsing the various configuration files, starting up
17 * the kernel processes required by AFS and feeding the configuration
18 * information to the kernel.
20 * Recognized flags are:
21 * -blocks The number of blocks available in the workstation cache.
22 * -files The target number of files in the workstation cache (Default:
24 * -rootvol The name of the root volume to use.
25 * -stat The number of stat cache entries.
26 * -hosts List of servers to check for volume location info FOR THE
28 * -memcache Use an in-memory cache rather than disk.
29 * -cachedir The base directory for the workstation cache.
30 * -mountdir The directory on which the AFS is to be mounted.
31 * -confdir The configuration directory .
32 * -nosettime Don't keep checking the time to avoid drift (default).
33 * -settime Keep checking the time to avoid drift.
34 * -rxmaxmtu Set the max mtu to help with VPN issues.
36 * -disable-dynamic-vcaches Disable the use of -stat value as the starting size of
37 * the size of the vcache/stat cache pool,
38 * but increase that pool dynamically as needed.
39 * -debug Print out additional debugging info.
40 * -kerndev [OBSOLETE] The kernel device for AFS.
41 * -dontfork [OBSOLETE] Don't fork off as a new process.
42 * -daemons The number of background daemons to start (Default: 2).
43 * -rmtsys Also fires up an afs remote sys call (e.g. pioctl, setpag)
45 * -chunksize [n] 2^n is the chunksize to be used. 0 is default.
46 * -dcache The number of data cache entries.
47 * -biods Number of bkg I/O daemons (AIX3.1 only)
48 * -prealloc Number of preallocated "small" memory blocks
49 * -logfile [OBSOLETE] Place where to put the logfile (default in
51 * -waitclose make close calls always synchronous (slows em down, tho)
52 * -files_per_subdir [n] number of files per cache subdir. (def=2048)
53 * -shutdown Shutdown afs daemons
54 *---------------------------------------------------------------------------*/
56 #include <afsconfig.h>
57 #include <afs/param.h>
64 #include <afs/opr_assert.h>
70 #include <afs/afsutil.h>
75 /* darwin dirent.h doesn't give us the prototypes we want if KERNEL is
77 #if defined(UKERNEL) && defined(AFS_USR_DARWIN_ENV)
85 #ifdef HAVE_SYS_FS_TYPES_H
86 #include <sys/fs_types.h>
89 #if defined(HAVE_SYS_MOUNT_H) && !defined(AFS_ARM_DARWIN_ENV)
90 #include <sys/mount.h>
93 #ifdef HAVE_SYS_FCNTL_H
94 #include <sys/fcntl.h>
97 #ifdef HAVE_SYS_MNTTAB_H
98 #include <sys/mnttab.h>
101 #ifdef HAVE_SYS_MNTENT_H
102 #include <sys/mntent.h>
109 #ifdef HAVE_SYS_VFS_H
113 #ifdef HAVE_SYS_FSTYP_H
114 #include <sys/fstyp.h>
119 #include <afs/afs_args.h>
120 #include <afs/cellconfig.h>
121 #include <afs/afssyscalls.h>
122 #include <afs/afsutil.h>
123 #include <afs/sys_prototypes.h>
125 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
127 #include <symconst.h>
133 #ifdef AFS_DARWIN_ENV
134 #ifdef AFS_DARWIN80_ENV
135 #include <sys/xattr.h>
137 #include <CoreFoundation/CoreFoundation.h>
139 #include <SystemConfiguration/SystemConfiguration.h>
140 #include <SystemConfiguration/SCDynamicStore.h>
142 #ifndef AFS_ARM_DARWIN_ENV
143 #include <IOKit/pwr_mgt/IOPMLib.h>
144 #include <IOKit/IOMessage.h>
146 static io_connect_t root_port;
147 static IONotificationPortRef notify;
148 static io_object_t iterator;
151 static CFRunLoopSourceRef source;
153 static int event_pid;
155 #endif /* AFS_DARWIN_ENV */
157 #if AFS_HAVE_STATVFS || defined(HAVE_SYS_STATVFS_H)
158 #include <sys/statvfs.h>
160 #if defined(AFS_SUN_ENV)
163 #ifdef HAVE_SYS_STATFS_H
164 #include <sys/statfs.h>
173 #define CACHEINFOFILE "cacheinfo"
174 #define DCACHEFILE "CacheItems"
175 #define VOLINFOFILE "VolumeItems"
176 #define CELLINFOFILE "CellItems"
178 #define MAXIPADDRS 1024
180 char LclCellName[64];
182 #define MAX_CACHE_LOOPS 4
186 * Internet address (old style... should be updated). This was pulled out of the old 4.2
187 * version of <netinet/in.h>, since it's still useful.
192 u_char s_b1, s_b2, s_b3, s_b4;
201 #define mPrintIPAddr(ipaddr) printf("[%d.%d.%d.%d] ", \
202 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b1, \
203 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b2, \
204 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b3, \
205 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b4)
208 * Global configuration variables.
210 static int enable_rxbind = 0;
211 static int afs_shutdown = 0;
212 static int cacheBlocks; /*Num blocks in the cache */
213 static int cacheFiles; /*Optimal # of files in workstation cache */
214 static int rwpct = 0;
215 static int ropct = 0;
216 static int cacheStatEntries; /*Number of stat cache entries */
217 static char *cacheBaseDir; /*Where the workstation AFS cache lives */
218 static char *confDir; /*Where the workstation AFS configuration lives */
219 static char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE */
220 static char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE */
221 static char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE */
222 static char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
223 static char fullpn_VFile[1024]; /*Full pathname of data cache files */
224 static char *vFilePtr; /*Ptr to the number part of above pathname */
225 static int sawCacheMountDir = 0; /* from cmd line */
226 static int sawCacheBaseDir = 0;
227 static int sawCacheBlocks = 0;
228 static int sawDCacheSize = 0;
230 static int sawBiod = 0;
232 static int sawCacheStatEntries = 0;
233 char *afsd_cacheMountDir;
234 static char *rootVolume = NULL;
236 static int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open */
238 static int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open */
240 static int ownerRWmode = 0600; /*Read/write OK by owner */
241 static int filesSet = 0; /*True if number of files explicitly set */
242 static int nFilesPerDir = 2048; /* # files per cache dir */
243 #if defined(AFS_CACHE_BYPASS)
244 #define AFSD_NDAEMONS 4
246 #define AFSD_NDAEMONS 2
248 static int nDaemons = AFSD_NDAEMONS; /* Number of background daemons */
249 static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
250 static int dCacheSize; /* # of dcache entries */
251 static int vCacheSize = 200; /* # of volume cache entries */
252 static int rootVolSet = 0; /*True if root volume name explicitly set */
253 int addrNum; /*Cell server address index being printed */
254 static int cacheFlags = 0; /*Flags to cache manager */
256 static int nBiods = 5; /* AIX3.1 only */
258 static int preallocs = 400; /* Def # of allocated memory blocks */
259 static int enable_peer_stats = 0; /* enable rx stats */
260 static int enable_process_stats = 0; /* enable rx stats */
261 static int enable_afsdb = 0; /* enable AFSDB support */
262 static int enable_dynroot = 0; /* enable dynroot support */
263 static int enable_fakestat = 0; /* enable fakestat support */
264 static int enable_backuptree = 0; /* enable backup tree support */
265 static int enable_nomount = 0; /* do not mount */
266 static int enable_splitcache = 0;
267 static int afsd_dynamic_vcaches = 0; /* Enable dynamic-vcache support */
268 int afsd_verbose = 0; /*Are we being chatty? */
269 int afsd_debug = 0; /*Are we printing debugging info? */
270 static int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
271 static int rxmaxmtu = 0; /* Are we forcing a limit on the mtu? */
272 static int rxmaxfrags = 0; /* Are we forcing a limit on frags? */
275 #define AFSD_INO_T ino64_t
277 #define AFSD_INO_T afs_uint32
279 struct afsd_file_list {
281 struct afsd_file_list *next;
283 struct afsd_file_list **cache_dir_filelist = NULL;
284 int *cache_dir_list = NULL; /* Array of cache subdirs */
285 int *dir_for_V = NULL; /* Array: dir of each cache file.
286 * -1: file does not exist
287 * -2: file exists in top-level
288 * >=0: file exists in Dxxx
290 #if !defined(AFS_CACHE_VNODE_PATH) && !defined(AFS_LINUX26_ENV)
291 AFSD_INO_T *inode_for_V; /* Array of inodes for desired
294 int missing_DCacheFile = 1; /*Is the DCACHEFILE missing? */
295 int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing? */
296 int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing? */
297 int afsd_rmtsys = 0; /* Default: don't support rmtsys */
298 struct afs_cacheParams cparams; /* params passed to cache manager */
300 int PartSizeOverflow(char *path, int cs);
302 static int afsd_syscall(int code, ...);
304 #if defined(AFS_SUN510_ENV) && defined(RXK_LISTENER_ENV)
305 static void fork_rx_syscall_wait(const char *rn, int syscall, ...);
307 static void fork_rx_syscall(const char *rn, int syscall, ...);
308 static void fork_syscall(const char *rn, int syscall, ...);
352 #if defined(AFS_DARWIN_ENV) && !defined(AFS_ARM_DARWIN_ENV)
354 afsd_sleep_callback(void * refCon, io_service_t service,
355 natural_t messageType, void * messageArgument )
357 switch (messageType) {
358 case kIOMessageCanSystemSleep:
359 /* Idle sleep is about to kick in; can
360 prevent sleep by calling IOCancelPowerChange, otherwise
361 if we don't ack in 30s the system sleeps anyway */
364 IOAllowPowerChange(root_port, (long)messageArgument);
367 case kIOMessageSystemWillSleep:
368 /* The system WILL go to sleep. Ack or suffer delay */
370 IOAllowPowerChange(root_port, (long)messageArgument);
373 case kIOMessageSystemWillRestart:
374 /* The system WILL restart. Ack or suffer delay */
376 IOAllowPowerChange(root_port, (long)messageArgument);
379 case kIOMessageSystemWillPowerOn:
380 case kIOMessageSystemHasPoweredOn:
381 /* coming back from sleep */
383 IOAllowPowerChange(root_port, (long)messageArgument);
387 IOAllowPowerChange(root_port, (long)messageArgument);
393 afsd_update_addresses(CFRunLoopTimerRef timer, void *info)
395 /* parse multihomed address files */
396 afs_uint32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
402 parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
403 AFSDIR_CLIENT_NETINFO_FILEPATH,
404 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
407 /* Note we're refreshing */
408 code = code | 0x40000000;
409 afsd_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
411 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
414 /* Since it's likely this means our DNS server changed, reinit now */
419 /* This function is called when the system's ip addresses may have changed. */
421 afsd_ipaddr_callback (SCDynamicStoreRef store, CFArrayRef changed_keys, void *info)
423 CFRunLoopTimerRef timer;
425 timer = CFRunLoopTimerCreate (NULL, CFAbsoluteTimeGetCurrent () + 1.0,
426 0.0, 0, 0, afsd_update_addresses, NULL);
427 CFRunLoopAddTimer (CFRunLoopGetCurrent (), timer,
428 kCFRunLoopDefaultMode);
433 afsd_event_cleanup(int signo) {
435 CFRunLoopRemoveSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
437 IODeregisterForSystemPower(&iterator);
438 IOServiceClose(root_port);
439 IONotificationPortDestroy(notify);
443 /* Adapted from "Living in a Dynamic TCP/IP Environment" technote. */
445 afsd_install_events(void)
447 SCDynamicStoreContext ctx = {0};
448 SCDynamicStoreRef store;
450 root_port = IORegisterForSystemPower(0,¬ify,afsd_sleep_callback,&iterator);
453 CFRunLoopAddSource(CFRunLoopGetCurrent(),
454 IONotificationPortGetRunLoopSource(notify),
455 kCFRunLoopDefaultMode);
459 store = SCDynamicStoreCreate (NULL,
460 CFSTR ("AddIPAddressListChangeCallbackSCF"),
461 afsd_ipaddr_callback, &ctx);
466 /* Request IPV4 address change notification */
467 keys[0] = (SCDynamicStoreKeyCreateNetworkServiceEntity
468 (NULL, kSCDynamicStoreDomainState,
469 kSCCompAnyRegex, kSCEntNetIPv4));
472 /* This should tell us when the hostname(s) change. do we care? */
473 keys[N] = SCDynamicStoreKeyCreateHostNames (NULL);
476 if (keys[0] != NULL) {
477 CFArrayRef pattern_array;
479 pattern_array = CFArrayCreate (NULL, keys, 1,
480 &kCFTypeArrayCallBacks);
482 if (pattern_array != NULL)
484 SCDynamicStoreSetNotificationKeys (store, NULL, pattern_array);
485 source = SCDynamicStoreCreateRunLoopSource (NULL, store, 0);
487 CFRelease (pattern_array);
497 if (source != NULL) {
498 CFRunLoopAddSource (CFRunLoopGetCurrent(),
499 source, kCFRunLoopDefaultMode);
502 signal(SIGTERM, afsd_event_cleanup);
508 /* ParseArgs is now obsolete, being handled by cmd */
510 /*------------------------------------------------------------------------------
514 * Open the file containing the description of the workstation's AFS cache
515 * and pull out its contents. The format of this file is as follows:
517 * cacheMountDir:cacheBaseDir:cacheBlocks
523 * 0 if everything went well,
527 * Nothing interesting.
531 *---------------------------------------------------------------------------*/
534 ParseCacheInfoFile(void)
536 static char rn[] = "ParseCacheInfoFile"; /*This routine's name */
537 FILE *cachefd; /*Descriptor for cache info file */
538 int parseResult; /*Result of our fscanf() */
540 char tCacheBaseDir[1024], *tbd, tCacheMountDir[1024], *tmd;
543 printf("%s: Opening cache info file '%s'...\n", rn, fullpn_CacheInfo);
545 cachefd = fopen(fullpn_CacheInfo, "r");
547 printf("%s: Can't read cache info file '%s'\n", rn, fullpn_CacheInfo);
552 * Parse the contents of the cache info file. All chars up to the first
553 * colon are the AFS mount directory, all chars to the next colon are the
554 * full path name of the workstation cache directory and all remaining chars
555 * represent the number of blocks in the cache.
557 tCacheMountDir[0] = tCacheBaseDir[0] = '\0';
559 fscanf(cachefd, "%1024[^:]:%1024[^:]:%d", tCacheMountDir,
560 tCacheBaseDir, &tCacheBlocks);
563 * Regardless of how the parse went, we close the cache info file.
567 if (parseResult == EOF || parseResult < 3) {
568 printf("%s: Format error in cache info file!\n", rn);
569 if (parseResult == EOF)
570 printf("\tEOF encountered before any field parsed.\n");
572 printf("\t%d out of 3 fields successfully parsed.\n",
578 for (tmd = tCacheMountDir; *tmd == '\n' || *tmd == ' ' || *tmd == '\t';
580 for (tbd = tCacheBaseDir; *tbd == '\n' || *tbd == ' ' || *tbd == '\t';
582 /* now copy in the fields not explicitly overridden by cmd args */
583 if (!sawCacheMountDir)
584 afsd_cacheMountDir = strdup(tmd);
585 if (!sawCacheBaseDir)
586 cacheBaseDir = strdup(tbd);
588 cacheBlocks = tCacheBlocks;
591 printf("%s: Cache info file successfully parsed:\n", rn);
593 ("\tcacheMountDir: '%s'\n\tcacheBaseDir: '%s'\n\tcacheBlocks: %d\n",
594 tmd, tbd, tCacheBlocks);
596 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
597 return (PartSizeOverflow(tbd, cacheBlocks));
604 * All failures to open the partition are ignored. Also if the cache dir
605 * isn't a mounted partition it's also ignored since we can't guarantee
606 * what will be stored afterwards. Too many if's. This is now purely
607 * advisory. ODS with over 2G partition also gives warning message.
610 * 0 if everything went well,
614 PartSizeOverflow(char *path, int cs)
617 afs_int64 totalblks, mint;
618 #if AFS_HAVE_STATVFS || defined(HAVE_SYS_STATVFS_H)
619 struct statvfs statbuf;
621 if (statvfs(path, &statbuf) != 0) {
624 ("statvfs failed on %s; skip checking for adequate partition space\n",
628 totalblks = statbuf.f_blocks;
629 bsize = statbuf.f_frsize;
631 if (strcmp(statbuf.f_basetype, "jfs")) {
632 fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
633 path, statbuf.f_basetype);
636 #endif /* AFS_AIX51_ENV */
638 #else /* AFS_HAVE_STATVFS */
639 struct statfs statbuf;
641 if (statfs(path, &statbuf) < 0) {
644 ("statfs failed on %s; skip checking for adequate partition space\n",
648 totalblks = statbuf.f_blocks;
649 bsize = statbuf.f_bsize;
652 return 0; /* success */
654 /* now free and totalblks are in fragment units, but we want them in 1K units */
656 totalblks *= (bsize / 1024);
658 totalblks /= (1024 / bsize);
661 mint = totalblks / 100 * 95;
664 ("Cache size (%d) must be less than 95%% of partition size (which is %lld). Lower cache size\n",
672 /*-----------------------------------------------------------------------------
676 * Given the final component of a filename expected to be a data cache file,
677 * return the integer corresponding to the file. Note: we reject names that
678 * are not a ``V'' followed by an integer. We also reject those names having
679 * the right format but lying outside the range [0..cacheFiles-1].
682 * fname : Char ptr to the filename to parse.
683 * max : integer for the highest number to accept
686 * >= 0 iff the file is really a data cache file numbered from 0 to cacheFiles-1, or
690 * Nothing interesting.
694 *---------------------------------------------------------------------------*/
697 doGetXFileNumber(char *fname, char filechar, int maxNum)
699 int computedVNumber; /*The computed file number we return */
700 int filenameLen; /*Number of chars in filename */
701 int currDigit; /*Current digit being processed */
704 * The filename must have at least two characters, the first of which must be a ``filechar''
705 * and the second of which cannot be a zero unless the file is exactly two chars long.
707 filenameLen = strlen(fname);
710 if (fname[0] != filechar)
712 if ((filenameLen > 2) && (fname[1] == '0'))
716 * Scan through the characters in the given filename, failing immediately if a non-digit
719 for (currDigit = 1; currDigit < filenameLen; currDigit++)
720 if (isdigit(fname[currDigit]) == 0)
724 * All relevant characters are digits. Pull out the decimal number they represent.
725 * Reject it if it's out of range, otherwise return it.
727 computedVNumber = atoi(++fname);
728 if (computedVNumber < cacheFiles)
729 return (computedVNumber);
735 GetVFileNumber(char *fname, int maxFile)
737 return doGetXFileNumber(fname, 'V', maxFile);
741 GetDDirNumber(char *fname, int maxDir)
743 return doGetXFileNumber(fname, 'D', maxDir);
747 /*-----------------------------------------------------------------------------
751 * Given a full pathname for a file we need to create for the workstation AFS
752 * cache, go ahead and create the file.
755 * fname : Full pathname of file to create.
756 * statp : A pointer to a stat buffer which, if NON-NULL, will be
760 * 0 iff the file was created,
764 * The given cache file has been found to be missing.
768 *---------------------------------------------------------------------------*/
771 CreateCacheSubDir(char *basename, int dirNum)
773 static char rn[] = "CreateCacheSubDir"; /* Routine Name */
777 /* Build the new cache subdirectory */
778 sprintf(dir, "%s/D%d", basename, dirNum);
781 printf("%s: Creating cache subdir '%s'\n", rn, dir);
783 if ((ret = mkdir(dir, 0700)) != 0) {
784 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, dir,
790 /* Mark this directory as created */
791 cache_dir_list[dirNum] = 0;
793 /* And return success */
798 SetNoBackupAttr(char *fullpn)
800 #ifdef AFS_DARWIN80_ENV
803 ret = setxattr(fullpn, "com.apple.metadata:com_apple_backup_excludeItem",
804 "com.apple.backupd", strlen("com.apple.backupd"), 0,
809 fprintf(stderr, "afsd: Warning: failed to set attribute to preclude cache backup: %s\n", strerror(errno));
816 MoveCacheFile(char *basename, int fromDir, int toDir, int cacheFile,
819 static char rn[] = "MoveCacheFile";
820 char from[1024], to[1024];
823 if (cache_dir_list[toDir] < 0
824 && (ret = CreateCacheSubDir(basename, toDir))) {
825 printf("%s: Can't create directory '%s/D%d'\n", rn, basename, toDir);
829 /* Build the from,to dir */
831 /* old-style location */
832 snprintf(from, sizeof(from), "%s/V%d", basename, cacheFile);
834 snprintf(from, sizeof(from), "%s/D%d/V%d", basename, fromDir,
838 snprintf(to, sizeof(from), "%s/D%d/V%d", basename, toDir, cacheFile);
841 printf("%s: Moving cacheFile from '%s' to '%s'\n", rn, from, to);
843 if ((ret = rename(from, to)) != 0) {
844 printf("%s: Can't rename '%s' to '%s', error return is %d (%d)\n", rn,
845 from, to, ret, errno);
850 /* Reset directory pointer; fix file counts */
851 dir_for_V[cacheFile] = toDir;
852 cache_dir_list[toDir]++;
853 if (fromDir < maxDir && fromDir >= 0)
854 cache_dir_list[fromDir]--;
860 CreateCacheFile(char *fname, struct stat *statp)
862 static char rn[] = "CreateCacheFile"; /*Routine name */
863 int cfd; /*File descriptor to AFS cache file */
864 int closeResult; /*Result of close() */
867 printf("%s: Creating cache file '%s'\n", rn, fname);
868 cfd = open(fname, createAndTrunc, ownerRWmode);
870 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, fname,
875 closeResult = fstat(cfd, statp);
878 ("%s: Can't stat newly-created AFS cache file '%s' (code %d)\n",
883 closeResult = close(cfd);
886 ("%s: Can't close newly-created AFS cache file '%s' (code %d)\n",
895 CreateFileIfMissing(char *fullpn, int missing)
898 if (CreateCacheFile(fullpn, NULL))
899 printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
904 UnlinkUnwantedFile(char *rn, char *fullpn_FileToDelete, char *fileToDelete)
906 if (unlink(fullpn_FileToDelete)) {
907 if ((errno == EISDIR || errno == EPERM) && *fileToDelete == 'D') {
908 if (rmdir(fullpn_FileToDelete)) {
909 printf("%s: Can't rmdir '%s', errno is %d\n", rn,
910 fullpn_FileToDelete, errno);
913 printf("%s: Can't unlink '%s', errno is %d\n", rn,
914 fullpn_FileToDelete, errno);
918 /*-----------------------------------------------------------------------------
922 * Sweep through the AFS cache directory, recording the inode number for
923 * each valid data cache file there. Also, delete any file that doesn't belong
924 * in the cache directory during this sweep, and remember which of the other
925 * residents of this directory were seen. After the sweep, we create any data
926 * cache files that were missing.
929 * vFilesFound : Set to the number of data cache files found.
932 * 0 if everything went well,
936 * This routine may be called several times. If the number of data cache files
937 * found is less than the global cacheFiles, then the caller will need to call it
938 * again to record the inodes of the missing zero-length data cache files created
939 * in the previous call.
942 * Fills up the global inode_for_V array, may create and/or delete files as
944 *---------------------------------------------------------------------------*/
948 doSweepAFSCache(int *vFilesFound,
949 char *directory, /* /path/to/cache/directory */
950 int dirNum, /* current directory number */
951 int maxDir) /* maximum directory number */
953 static char rn[] = "doSweepAFSCache"; /* Routine Name */
954 char fullpn_FileToDelete[1024]; /*File to be deleted from cache */
955 char *fileToDelete; /*Ptr to last component of above */
956 DIR *cdirp; /*Ptr to cache directory structure */
958 struct dirent64 *currp; /*Current directory entry */
960 struct dirent *currp; /*Current directory entry */
962 int vFileNum; /*Data cache file's associated number */
963 int thisDir; /* A directory number */
967 printf("%s: Opening cache directory '%s'\n", rn, directory);
969 if (chmod(directory, 0700)) { /* force it to be 700 */
970 printf("%s: Can't 'chmod 0700' the cache dir, '%s'.\n", rn,
974 cdirp = opendir(directory);
975 if (cdirp == (DIR *) 0) {
976 printf("%s: Can't open AFS cache directory, '%s'.\n", rn, directory);
981 * Scan the directory entries, remembering data cache file inodes
982 * and the existance of other important residents. Recurse into
983 * the data subdirectories.
985 * Delete all files and directories that don't belong here.
987 sprintf(fullpn_FileToDelete, "%s/", directory);
988 fileToDelete = fullpn_FileToDelete + strlen(fullpn_FileToDelete);
991 for (currp = readdir64(cdirp); currp; currp = readdir64(cdirp))
993 for (currp = readdir(cdirp); currp; currp = readdir(cdirp))
997 printf("%s: Current directory entry:\n", rn);
998 #if defined(AFS_SGI62_ENV) || defined(AFS_DARWIN90_ENV)
999 printf("\tinode=%" AFS_INT64_FMT ", reclen=%d, name='%s'\n", currp->d_ino,
1000 currp->d_reclen, currp->d_name);
1001 #elif defined(AFS_DFBSD_ENV) || defined(AFS_USR_DFBSD_ENV)
1002 printf("\tinode=%ld, name='%s'\n", (long)currp->d_ino, currp->d_name);
1004 printf("\tinode=%ld, reclen=%d, name='%s'\n", (long)currp->d_ino,
1005 currp->d_reclen, currp->d_name);
1010 * If dirNum < 0, we are a top-level cache directory and should
1011 * only contain sub-directories and other sundry files. Therefore,
1012 * V-files are valid only if dirNum >= 0, and Directories are only
1013 * valid if dirNum < 0.
1016 if (*(currp->d_name) == 'V'
1017 && ((vFileNum = GetVFileNumber(currp->d_name, cacheFiles)) >=
1020 * Found a valid data cache filename. Remember this
1021 * file's inode, directory, and bump the number of files found
1022 * total and in this directory.
1024 #if !defined(AFS_CACHE_VNODE_PATH) && !defined(AFS_LINUX26_ENV)
1025 inode_for_V[vFileNum] = currp->d_ino;
1027 dir_for_V[vFileNum] = dirNum; /* remember this directory */
1030 /* If we're in a real subdir, mark this file to be moved
1031 * if we've already got too many files in this directory
1033 assert(dirNum >= 0);
1034 cache_dir_list[dirNum]++; /* keep directory's file count */
1035 if (cache_dir_list[dirNum] > nFilesPerDir) {
1036 /* Too many files -- add to filelist */
1037 struct afsd_file_list *tmp = malloc(sizeof(*tmp));
1040 ("%s: MALLOC FAILED allocating file_list entry\n",
1043 tmp->fileNum = vFileNum;
1044 tmp->next = cache_dir_filelist[dirNum];
1045 cache_dir_filelist[dirNum] = tmp;
1050 } else if (dirNum < 0 && (*(currp->d_name) == 'D')
1051 && GetDDirNumber(currp->d_name, 1 << 30) >= 0) {
1053 if ((vFileNum = GetDDirNumber(currp->d_name, maxDir)) >= 0) {
1054 /* Found a valid cachefile sub-Directory. Remember this number
1055 * and recurse into it. Note that subdirs cannot have subdirs.
1058 } else if ((vFileNum = GetDDirNumber(currp->d_name, 1 << 30)) >=
1060 /* This directory is going away, but figure out if there
1061 * are any cachefiles in here that should be saved by
1062 * moving them to other cache directories. This directory
1063 * will be removed later.
1068 /* Save the highest directory number we've seen */
1069 if (vFileNum > highDir)
1072 /* If this directory is staying, be sure to mark it as 'found' */
1074 cache_dir_list[vFileNum] = 0;
1076 /* Print the dirname for recursion */
1077 sprintf(fileToDelete, "%s", currp->d_name);
1079 /* Note: vFileNum is the directory number */
1081 doSweepAFSCache(vFilesFound, fullpn_FileToDelete, vFileNum,
1082 (retval == 1 ? 0 : -1));
1084 printf("%s: Recursive sweep failed on directory %s\n", rn,
1088 } else if (dirNum < 0 && strcmp(currp->d_name, DCACHEFILE) == 0) {
1090 * Found the file holding the dcache entries.
1092 missing_DCacheFile = 0;
1093 SetNoBackupAttr(fullpn_DCacheFile);
1094 } else if (dirNum < 0 && strcmp(currp->d_name, VOLINFOFILE) == 0) {
1096 * Found the file holding the volume info.
1098 missing_VolInfoFile = 0;
1099 SetNoBackupAttr(fullpn_VolInfoFile);
1100 } else if (dirNum < 0 && strcmp(currp->d_name, CELLINFOFILE) == 0) {
1102 * Found the file holding the cell info.
1104 missing_CellInfoFile = 0;
1105 SetNoBackupAttr(fullpn_CellInfoFile);
1106 } else if ((strcmp(currp->d_name, ".") == 0)
1107 || (strcmp(currp->d_name, "..") == 0) ||
1108 #ifdef AFS_DECOSF_ENV
1109 /* these are magic AdvFS files */
1110 (strcmp(currp->d_name, ".tags") == 0)
1111 || (strcmp(currp->d_name, "quota.user") == 0)
1112 || (strcmp(currp->d_name, "quota.group") == 0) ||
1114 #ifdef AFS_LINUX22_ENV
1115 /* this is the ext3 journal file */
1116 (strcmp(currp->d_name, ".journal") == 0) ||
1118 (strcmp(currp->d_name, "lost+found") == 0)) {
1120 * Don't do anything - this file is legit, and is to be left alone.
1124 * This file/directory doesn't belong in the cache. Nuke it.
1126 sprintf(fileToDelete, "%s", currp->d_name);
1128 printf("%s: Deleting '%s'\n", rn, fullpn_FileToDelete);
1129 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
1136 * Create all the cache files that are missing.
1138 CreateFileIfMissing(fullpn_DCacheFile, missing_DCacheFile);
1139 CreateFileIfMissing(fullpn_VolInfoFile, missing_VolInfoFile);
1140 CreateFileIfMissing(fullpn_CellInfoFile, missing_CellInfoFile);
1142 /* ADJUST CACHE FILES */
1144 /* First, let's walk through the list of files and figure out
1145 * if there are any leftover files in extra directories or
1146 * missing files. Move the former and create the latter in
1147 * subdirs with extra space.
1150 thisDir = 0; /* Keep track of which subdir has space */
1152 for (vFileNum = 0; vFileNum < cacheFiles; vFileNum++) {
1153 if (dir_for_V[vFileNum] == -1) {
1154 /* This file does not exist. Create it in the first
1155 * subdir that still has extra space.
1157 while (thisDir < maxDir
1158 && cache_dir_list[thisDir] >= nFilesPerDir)
1160 if (thisDir >= maxDir)
1161 printf("%s: can't find directory to create V%d\n", rn,
1165 #if !defined(AFS_CACHE_VNODE_PATH) && !defined(AFS_LINUX26_ENV)
1166 assert(inode_for_V[vFileNum] == (AFSD_INO_T) 0);
1168 sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
1170 printf("%s: Creating '%s'\n", rn, fullpn_VFile);
1171 if (cache_dir_list[thisDir] < 0
1172 && CreateCacheSubDir(directory, thisDir))
1173 printf("%s: Can't create directory for '%s'\n", rn,
1175 if (CreateCacheFile(fullpn_VFile, &statb))
1176 printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
1178 #if !defined(AFS_CACHE_VNODE_PATH) && !defined(AFS_LINUX26_ENV)
1179 inode_for_V[vFileNum] = statb.st_ino;
1181 dir_for_V[vFileNum] = thisDir;
1182 cache_dir_list[thisDir]++;
1185 SetNoBackupAttr(fullpn_VFile);
1188 } else if (dir_for_V[vFileNum] >= maxDir
1189 || dir_for_V[vFileNum] == -2) {
1190 /* This file needs to move; move it to the first subdir
1191 * that has extra space. (-2 means it's in the toplevel)
1193 while (thisDir < maxDir
1194 && cache_dir_list[thisDir] >= nFilesPerDir)
1196 if (thisDir >= maxDir)
1197 printf("%s: can't find directory to move V%d\n", rn,
1201 (directory, dir_for_V[vFileNum], thisDir, vFileNum,
1203 /* Cannot move. Ignore this file??? */
1210 /* At this point, we've moved all of the valid cache files
1211 * into the valid subdirs, and created all the extra
1212 * cachefiles we need to create. Next, rebalance any subdirs
1213 * with too many cache files into the directories with not
1214 * enough cache files. Note that thisDir currently sits at
1215 * the lowest subdir that _may_ have room.
1218 for (dirNum = 0; dirNum < maxDir; dirNum++) {
1219 struct afsd_file_list *thisFile;
1221 for (thisFile = cache_dir_filelist[dirNum];
1222 thisFile && cache_dir_list[dirNum] >= nFilesPerDir;
1223 thisFile = thisFile->next) {
1224 while (thisDir < maxDir
1225 && cache_dir_list[thisDir] >= nFilesPerDir)
1227 if (thisDir >= maxDir)
1228 printf("%s: can't find directory to move V%d\n", rn,
1232 (directory, dirNum, thisDir, thisFile->fileNum,
1234 /* Cannot move. Ignore this file??? */
1238 } /* for each file to move */
1239 } /* for each directory */
1241 /* Remove any directories >= maxDir -- they should be empty */
1242 for (; highDir >= maxDir; highDir--) {
1243 sprintf(fileToDelete, "D%d", highDir);
1244 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
1250 * Close the directory, return success.
1253 printf("%s: Closing cache directory.\n", rn);
1259 CheckCacheBaseDir(char *dir)
1261 struct stat statbuf;
1264 return "cache base dir not specified";
1266 if (stat(dir, &statbuf) != 0) {
1267 return "unable to stat cache base directory";
1270 /* might want to check here for anything else goofy, like cache pointed at a non-dedicated directory, etc */
1272 #ifdef AFS_LINUX24_ENV
1275 struct statfs statfsbuf;
1277 res = statfs(dir, &statfsbuf);
1279 return "unable to statfs cache base directory";
1281 #if !defined(AFS_LINUX26_ENV)
1282 if (statfsbuf.f_type == 0x52654973) { /* REISERFS_SUPER_MAGIC */
1283 return "cannot use reiserfs as cache partition";
1284 } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
1285 return "cannot use xfs as cache partition";
1286 } else if (statfsbuf.f_type == 0x01021994) { /* TMPFS_SUPER_MAGIC */
1287 return "cannot use tmpfs as cache partition";
1288 } else if (statfsbuf.f_type != 0xEF53) {
1289 return "must use ext2 or ext3 for cache partition";
1298 struct statfs statfsbuf;
1301 res = statfs(dir, &statfsbuf);
1303 return "unable to statfs cache base directory";
1306 if (sysfs(GETFSTYP, statfsbuf.f_fsid[1], name) != 0) {
1307 return "unable to determine filesystem type for cache base dir";
1310 if (strcmp(name, "hfs")) {
1311 return "can only use hfs filesystem for cache partition on hpux";
1320 struct stat statmnt, statci;
1322 if ((stat(dir, &statci) == 0)
1323 && ((vfstab = fopen(MNTTAB, "r")) != NULL)) {
1324 while (getmntent(vfstab, &mnt) == 0) {
1325 if (strcmp(dir, mnt.mnt_mountp) != 0) {
1329 if (cp = hasmntopt(&mnt, "dev="))
1331 (int)strtol(cp + strlen("dev="), (char **)NULL,
1334 if ((rdev == 0) && (stat(mnt.mnt_mountp, &statmnt) == 0))
1335 rdev = statmnt.st_dev;
1337 if ((rdev == statci.st_dev)
1338 && (hasmntopt(&mnt, "logging") != NULL)) {
1342 "mounting a multi-use partition which contains the AFS cache with the\n\"logging\" option may deadlock your system.\n\n";
1356 SweepAFSCache(int *vFilesFound)
1358 static char rn[] = "SweepAFSCache"; /*Routine name */
1359 int maxDir = (cacheFiles + nFilesPerDir - 1) / nFilesPerDir;
1364 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1366 printf("%s: Memory Cache, no cache sweep done\n", rn);
1370 if (cache_dir_list == NULL) {
1371 cache_dir_list = malloc(maxDir * sizeof(*cache_dir_list));
1372 if (cache_dir_list == NULL) {
1373 printf("%s: Malloc Failed!\n", rn);
1376 for (i = 0; i < maxDir; i++)
1377 cache_dir_list[i] = -1; /* Does not exist */
1380 if (cache_dir_filelist == NULL) {
1381 cache_dir_filelist = calloc(maxDir, sizeof(*cache_dir_filelist));
1382 if (cache_dir_filelist == NULL) {
1383 printf("%s: Malloc Failed!\n", rn);
1388 if (dir_for_V == NULL) {
1389 dir_for_V = malloc(cacheFiles * sizeof(*dir_for_V));
1390 if (dir_for_V == NULL) {
1391 printf("%s: Malloc Failed!\n", rn);
1394 for (i = 0; i < cacheFiles; i++)
1395 dir_for_V[i] = -1; /* Does not exist */
1398 /* Note, setting dirNum to -2 here will cause cachefiles found in
1399 * the toplevel directory to be marked in directory "-2". This
1400 * allows us to differentiate between 'file not seen' (-1) and
1401 * 'file seen in top-level' (-2). Then when we try to move the
1402 * file into a subdirectory, we know it's in the top-level instead
1403 * of some other cache subdir.
1405 return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
1409 ConfigCell(struct afsconf_cell *aci, void *arock, struct afsconf_dir *adir)
1414 afs_int32 hosts[MAXHOSTSPERCELL];
1416 /* figure out if this is the home cell */
1417 isHomeCell = (strcmp(aci->name, LclCellName) == 0);
1419 cellFlags = 2; /* not home, suid is forbidden */
1420 if (enable_dynroot == 2)
1421 cellFlags |= 8; /* don't display foreign cells until looked up */
1423 /* build address list */
1424 for (i = 0; i < MAXHOSTSPERCELL; i++)
1425 memcpy(&hosts[i], &aci->hostAddr[i].sin_addr, sizeof(afs_int32));
1427 if (aci->linkedCell)
1428 cellFlags |= 4; /* Flag that linkedCell arg exists,
1429 * for upwards compatibility */
1431 /* configure one cell */
1432 code = afsd_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
1433 aci->name, /* cell name */
1434 cellFlags, /* is this the home cell? */
1435 aci->linkedCell); /* Linked cell, if any */
1437 printf("Adding cell '%s': error %d\n", aci->name, code);
1442 ConfigCellAlias(struct afsconf_cellalias *aca,
1443 void *arock, struct afsconf_dir *adir)
1445 /* push the alias into the kernel */
1446 afsd_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
1451 AfsdbLookupHandler(void)
1453 afs_int32 kernelMsg[64];
1454 char acellName[128];
1456 struct afsconf_cell acellInfo;
1461 acellName[0] = '\0';
1463 #if defined(AFS_DARWIN_ENV) && !defined(AFS_ARM_DARWIN_ENV)
1464 /* Fork the event handler also. */
1467 afsd_install_events();
1469 } else if (code != -1) {
1474 /* On some platforms you only get 4 args to an AFS call */
1475 int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
1477 afsd_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
1478 if (code) { /* Something is wrong? */
1483 if (*acellName == 1) /* Shutting down */
1486 code = afsconf_GetAfsdbInfo(acellName, 0, &acellInfo);
1491 kernelMsg[0] = acellInfo.numServers;
1492 if (acellInfo.timeout)
1493 kernelMsg[1] = acellInfo.timeout - time(0);
1496 for (i = 0; i < acellInfo.numServers; i++)
1497 kernelMsg[i + 2] = acellInfo.hostAddr[i].sin_addr.s_addr;
1498 strncpy(acellName, acellInfo.name, sizeof(acellName));
1499 acellName[sizeof(acellName) - 1] = '\0';
1502 #ifdef AFS_DARWIN_ENV
1503 kill(event_pid, SIGTERM);
1512 struct afs_uspc_param *uspc;
1516 uspc = calloc(1, sizeof(struct afs_uspc_param));
1517 memset(srcName, 0, sizeof(srcName));
1518 memset(dstName, 0, sizeof(dstName));
1520 /* brscount starts at 0 */
1526 char srcpath[BUFSIZ];
1527 char dstpath[BUFSIZ];
1529 /* pushing in a buffer this large */
1532 code = afsd_syscall(AFSOP_BKG_HANDLER, uspc, srcName, dstName);
1533 if (code) { /* Something is wrong? */
1534 if (code == -2) /* shutting down */
1542 switch (uspc->reqtype) {
1544 snprintf(srcpath, BUFSIZ, "/afs/.:mount/%d:%d:%d:%d/%s",
1545 uspc->req.umv.sCell, uspc->req.umv.sVolume,
1546 uspc->req.umv.sVnode, uspc->req.umv.sUnique, srcName);
1547 snprintf(dstpath, BUFSIZ, "/afs/.:mount/%d:%d:%d:%d/%s",
1548 uspc->req.umv.dCell, uspc->req.umv.dVolume,
1549 uspc->req.umv.dVnode, uspc->req.umv.dUnique, dstName);
1550 if ((child = fork()) == 0) {
1551 /* first child does cp; second, rm. mv would re-enter. */
1553 switch (uspc->req.umv.idtype) {
1555 if (setuid(uspc->req.umv.id) != 0) {
1561 break; /* notreached */
1563 execl("/bin/cp", "(afsd EXDEV helper)", "-PRp", "--", srcpath,
1564 dstpath, (char *) NULL);
1566 if (child == (pid_t) -1) {
1571 if (waitpid(child, &status, 0) == -1)
1573 else if (WIFEXITED(status) != 0 && WEXITSTATUS(status) == 0) {
1574 if ((child = fork()) == 0) {
1575 switch (uspc->req.umv.idtype) {
1577 if (setuid(uspc->req.umv.id) != 0) {
1583 break; /* notreached */
1585 execl("/bin/rm", "(afsd EXDEV helper)", "-rf", "--",
1586 srcpath, (char *) NULL);
1588 if (child == (pid_t) -1) {
1592 if (waitpid(child, &status, 0) == -1)
1594 else if (WIFEXITED(status) != 0) {
1595 /* rm exit status */
1596 uspc->retval = WEXITSTATUS(status);
1598 /* rm signal status */
1599 uspc->retval = -(WTERMSIG(status));
1602 /* error from cp: exit or signal status */
1603 uspc->retval = (WIFEXITED(status) != 0) ?
1604 WEXITSTATUS(status) : -(WTERMSIG(status));
1606 memset(srcName, 0, sizeof(srcName));
1607 memset(dstName, 0, sizeof(dstName));
1611 /* unknown req type */
1620 afsdb_thread(void *rock)
1622 /* Since the AFSDB lookup handler runs as a user process,
1623 * need to drop the controlling TTY, etc.
1625 if (afsd_daemon(0, 0) == -1) {
1626 printf("Error starting AFSDB lookup handler: %s\n",
1630 AfsdbLookupHandler();
1635 daemon_thread(void *rock)
1638 /* Since the background daemon runs as a user process,
1639 * need to drop the controlling TTY, etc.
1641 if (afsd_daemon(0, 0) == -1) {
1642 printf("Error starting background daemon: %s\n",
1648 afsd_syscall(AFSOP_START_BKG, 0);
1655 rmtsysd_thread(void *rock)
1660 #endif /* !UKERNEL */
1663 mainproc(struct cmd_syndesc *as, void *arock)
1665 afs_int32 code; /*Result of fork() */
1669 #ifdef AFS_SGI65_ENV
1670 struct sched_param sp;
1673 #ifdef AFS_SGI_VNODE_GLUE
1674 if (afs_init_kernel_config(-1) < 0) {
1675 printf("Can't determine NUMA configuration, not starting AFS.\n");
1680 /* call atoi on the appropriate parsed results */
1681 if (cmd_OptionAsInt(as, OPT_blocks, &cacheBlocks) == 0)
1684 if (cmd_OptionAsInt(as, OPT_files, &cacheFiles) == 0)
1687 if (cmd_OptionAsString(as, OPT_rootvol, &rootVolume) == 0)
1690 if (cmd_OptionAsInt(as, OPT_stat, &cacheStatEntries) == 0)
1691 sawCacheStatEntries = 1;
1693 if (cmd_OptionPresent(as, OPT_memcache)) {
1694 cacheBaseDir = NULL;
1695 sawCacheBaseDir = 1;
1696 cacheFlags |= AFSCALL_INIT_MEMCACHE;
1699 if (cmd_OptionAsString(as, OPT_cachedir, &cacheBaseDir) == 0)
1700 sawCacheBaseDir = 1;
1702 if (cmd_OptionAsString(as, OPT_mountdir, &afsd_cacheMountDir) == 0)
1703 sawCacheMountDir = 1;
1705 cmd_OptionAsInt(as, OPT_daemons, &nDaemons);
1707 afsd_verbose = cmd_OptionPresent(as, OPT_verbose);
1709 if (cmd_OptionPresent(as, OPT_rmtsys)) {
1712 printf("-rmtsys not supported for UKERNEL\n");
1717 if (cmd_OptionPresent(as, OPT_debug)) {
1722 if (cmd_OptionAsInt(as, OPT_chunksize, &chunkSize) == 0) {
1723 if (chunkSize < 0 || chunkSize > 30) {
1725 ("afsd:invalid chunk size (not in range 0-30), using default\n");
1730 if (cmd_OptionAsInt(as, OPT_dcache, &dCacheSize) == 0)
1733 cmd_OptionAsInt(as, OPT_volumes, &vCacheSize);
1735 if (cmd_OptionPresent(as, OPT_biods)) {
1737 #ifndef AFS_AIX32_ENV
1739 ("afsd: [-biods] currently only enabled for aix3.x VM supported systems\n");
1741 cmd_OptionAsInt(as, OPT_biods, &nBiods);
1744 cmd_OptionAsInt(as, OPT_prealloc, &preallocs);
1746 if (cmd_OptionAsString(as, OPT_confdir, &confDir) == CMD_MISSING) {
1747 confDir = strdup(AFSDIR_CLIENT_ETC_DIRPATH);
1749 sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
1751 if (cmd_OptionPresent(as, OPT_logfile)) {
1752 printf("afsd: Ignoring obsolete -logfile flag\n");
1755 afsd_CloseSynch = cmd_OptionPresent(as, OPT_waitclose);
1757 if (cmd_OptionPresent(as, OPT_shutdown)) {
1761 * Cold shutdown is the default
1763 printf("afsd: Shutting down all afs processes and afs state\n");
1764 code = afsd_syscall(AFSOP_SHUTDOWN, 1);
1766 printf("afsd: AFS still mounted; Not shutting down\n");
1772 enable_peer_stats = cmd_OptionPresent(as, OPT_peerstats);
1773 enable_process_stats = cmd_OptionPresent(as, OPT_processstats);
1775 if (cmd_OptionPresent(as, OPT_memallocsleep)) {
1776 printf("afsd: -mem_alloc_sleep is deprecated -- ignored\n");
1779 enable_afsdb = cmd_OptionPresent(as, OPT_afsdb);
1780 if (cmd_OptionPresent(as, OPT_filesdir)) {
1781 /* -files_per_subdir */
1783 cmd_OptionAsInt(as, OPT_filesdir, &res);
1784 if (res < 10 || res > (1 << 30)) {
1786 ("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
1787 as->parms[25].items->data);
1792 enable_dynroot = cmd_OptionPresent(as, OPT_dynroot);
1794 if (cmd_OptionPresent(as, OPT_fakestat)) {
1795 enable_fakestat = 2;
1797 if (cmd_OptionPresent(as, OPT_fakestatall)) {
1798 enable_fakestat = 1;
1800 if (cmd_OptionPresent(as, OPT_settime)) {
1802 printf("afsd: -settime ignored\n");
1803 printf("afsd: the OpenAFS client no longer sets the system time; "
1804 "please use NTP or\n");
1805 printf("afsd: another such system to synchronize client time\n");
1808 enable_nomount = cmd_OptionPresent(as, OPT_nomount);
1809 enable_backuptree = cmd_OptionPresent(as, OPT_backuptree);
1810 enable_rxbind = cmd_OptionPresent(as, OPT_rxbind);
1812 /* set rx_extraPackets */
1813 if (cmd_OptionPresent(as, OPT_rxpck)) {
1816 cmd_OptionAsInt(as, OPT_rxpck, &rxpck);
1817 printf("afsd: set rxpck = %d\n", rxpck);
1818 code = afsd_syscall(AFSOP_SET_RXPCK, rxpck);
1820 printf("afsd: failed to set rxpck\n");
1824 if (cmd_OptionPresent(as, OPT_splitcache)) {
1828 cmd_OptionAsString(as, OPT_splitcache, &var);
1830 if (var == NULL || ((c = strchr(var, '/')) == NULL))
1832 ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
1834 ropct = atoi(c + 1);
1837 if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
1839 enable_splitcache = 1;
1844 if (cmd_OptionPresent(as, OPT_nodynvcache)) {
1845 #ifdef AFS_MAXVCOUNT_ENV
1846 afsd_dynamic_vcaches = 0;
1848 printf("afsd: Error toggling flag, dynamically allocated vcaches not supported on your platform\n");
1852 #ifdef AFS_MAXVCOUNT_ENV
1854 /* -dynamic-vcaches */
1855 afsd_dynamic_vcaches = 1;
1859 printf("afsd: %s dynamically allocated vcaches\n", ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
1862 cmd_OptionAsInt(as, OPT_rxmaxmtu, &rxmaxmtu);
1864 if (cmd_OptionPresent(as, OPT_dynrootsparse)) {
1868 cmd_OptionAsInt(as, OPT_rxmaxfrags, &rxmaxfrags);
1870 /* parse cacheinfo file if this is a diskcache */
1871 if (ParseCacheInfoFile()) {
1881 static char rn[] = "afsd"; /*Name of this routine */
1882 struct afsconf_dir *cdir; /* config dir */
1883 int lookupResult; /*Result of GetLocalCellName() */
1885 int code; /*Result of fork() */
1886 char *fsTypeMsg = NULL;
1887 int cacheIteration; /*How many times through cache verification */
1888 int vFilesFound; /*How many data cache files were found in sweep */
1889 int currVFile; /*Current AFS cache file number passed in */
1892 * Pull out all the configuration info for the workstation's AFS cache and
1893 * the cellular community we're willing to let our users see.
1895 cdir = afsconf_Open(confDir);
1897 printf("afsd: some file missing or bad in %s\n", confDir);
1902 afsconf_GetLocalCell(cdir, LclCellName, sizeof(LclCellName));
1904 printf("%s: Can't get my home cell name! [Error is %d]\n", rn,
1908 printf("%s: My home cell is '%s'\n", rn, LclCellName);
1911 if (!enable_nomount) {
1912 if (afsd_check_mount(rn, afsd_cacheMountDir)) {
1917 /* do some random computations in memcache case to get things to work
1918 * reasonably no matter which parameters you set.
1920 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1921 /* memory cache: size described either as blocks or dcache entries, but
1925 fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
1927 if (sawDCacheSize) {
1928 if (chunkSize == 0) {
1929 chunkSize = 13; /* 8k default chunksize for memcache */
1931 if (sawCacheBlocks) {
1933 ("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
1937 /* compute the cache size based on # of chunks times the chunk size */
1938 i = (1 << chunkSize); /* bytes per chunk */
1939 cacheBlocks = i * dCacheSize;
1940 sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
1942 if (chunkSize == 0) {
1943 /* Try to autotune the memcache chunksize based on size
1944 * of memcache. This is done on the assumption that approx
1945 * 1024 chunks is suitable, it's a balance between enough
1946 * chunks to be useful and ramping up nicely when using larger
1947 * memcache to improve bulk read/write performance
1950 i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
1953 /* compute the dcache size from overall cache size and chunk size */
1954 if (chunkSize > 10) {
1955 dCacheSize = (cacheBlocks >> (chunkSize - 10));
1956 } else if (chunkSize < 10) {
1957 dCacheSize = (cacheBlocks << (10 - chunkSize));
1959 dCacheSize = cacheBlocks;
1961 /* don't have to set sawDCacheSize here since it isn't overwritten
1962 * by ParseCacheInfoFile.
1966 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1968 /* kernel computes # of dcache entries as min of cacheFiles and
1969 * dCacheSize, so we now make them equal.
1971 cacheFiles = dCacheSize;
1974 * Compute the number of cache files based on cache size,
1975 * but only if -files isn't given on the command line.
1976 * Don't let # files be so small as to prevent full utilization
1977 * of the cache unless user has explicitly asked for it.
1979 if (chunkSize == 0) {
1980 /* Set chunksize to 256kB - 1MB depending on cache size */
1981 if (cacheBlocks < 500000) {
1983 } else if (cacheBlocks < 1000000) {
1991 cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
1993 cacheFiles = max(cacheFiles, 1000);
1995 /* Always allow more files than chunks. Presume average V-file
1996 * is ~67% of a chunk... (another guess, perhaps Honeyman will
1997 * have a grad student write a paper). i is KILOBYTES.
1999 i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
2000 cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
2002 /* never permit more files than blocks, while leaving space for
2003 * VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
2004 * CacheItems is 50 Bytes / file (== 1K/20)
2006 #define CACHEITMSZ (cacheFiles / 20)
2007 #define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
2008 #define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
2009 #define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
2011 /* Sanity check: If the obtained number of disk cache files
2012 * is larger than the number of available (4k) disk blocks, we're
2013 * doing something wrong. Fail hard so we can fix the bug instead
2014 * of silently hiding it like before */
2016 if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
2018 "%s: ASSERT: cacheFiles %d diskblocks %d\n",
2019 rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
2022 if (cacheFiles < 100)
2023 fprintf(stderr, "%s: WARNING: cache probably too small!\n",
2027 printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
2030 /* This actually needs to
2032 2) not second-guess when a chunksize comes from the command line
2033 3) be less, um, small. 2^2??
2035 /* Sanity check chunkSize */
2036 i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
2037 chunkSize = min(chunkSize, i);
2038 chunkSize = max(chunkSize, 2);
2040 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
2043 if (!sawDCacheSize) {
2044 dCacheSize = cacheFiles / 2;
2045 if (dCacheSize > 10000) {
2048 if (dCacheSize < 2000) {
2052 printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
2055 if (!sawCacheStatEntries) {
2056 if (chunkSize <= 13) {
2057 cacheStatEntries = dCacheSize / 4;
2058 } else if (chunkSize >= 16) {
2059 cacheStatEntries = dCacheSize * 1.5;
2061 cacheStatEntries = dCacheSize;
2064 printf("%s: cacheStatEntries autotuned to %d\n", rn,
2068 #if !defined(AFS_CACHE_VNODE_PATH) && !defined(AFS_LINUX26_ENV)
2070 * Create and zero the inode table for the desired cache files.
2072 inode_for_V = calloc(cacheFiles, sizeof(AFSD_INO_T));
2073 if (inode_for_V == (AFSD_INO_T *) 0) {
2075 ("%s: malloc() failed for cache file inode table with %d entries.\n",
2080 printf("%s: %d inode_for_V entries at 0x%x, %lu bytes\n", rn,
2081 cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
2084 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
2086 * Set up all the pathnames we'll need for later.
2088 sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
2089 sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
2090 sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
2091 sprintf(fullpn_VFile, "%s/", cacheBaseDir);
2092 vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
2094 fsTypeMsg = CheckCacheBaseDir(cacheBaseDir);
2097 printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
2099 printf("%s: ERROR: Cache dir check failed (%s)\n", rn, fsTypeMsg);
2106 * Set up all the kernel processes needed for AFS.
2109 setpgrp(getpid(), 0);
2113 * Set the primary cell name.
2115 afsd_syscall(AFSOP_SET_THISCELL, LclCellName);
2117 /* Initialize RX daemons and services */
2119 /* initialize the rx random number generator from user space */
2121 /* parse multihomed address files */
2122 afs_uint32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
2126 parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
2127 AFSDIR_CLIENT_NETINFO_FILEPATH,
2128 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
2131 code = code | 0x80000000;
2132 afsd_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
2134 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
2138 /* Set realtime priority for most threads to same as for biod's. */
2139 afsd_set_afsd_rtpri();
2141 /* Start listener, then callback listener. Lastly, start rx event daemon.
2142 * Change in ordering is so that Linux port has socket fd in listener
2144 * preallocs are passed for both listener and callback server. Only
2145 * the one which actually does the initialization uses them though.
2147 if (preallocs < cacheStatEntries + 50)
2148 preallocs = cacheStatEntries + 50;
2149 #ifdef RXK_LISTENER_ENV
2151 printf("%s: Forking rx listener daemon.\n", rn);
2152 # ifdef AFS_SUN510_ENV
2153 fork_rx_syscall_wait(rn, AFSOP_RXLISTENER_DAEMON, preallocs,
2154 enable_peer_stats, enable_process_stats);
2155 # else /* !AFS_SUN510_ENV */
2156 fork_rx_syscall(rn, AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
2157 enable_process_stats);
2158 # endif /* !AFS_SUN510_ENV */
2161 printf("%s: Forking rx callback listener.\n", rn);
2162 #ifndef RXK_LISTENER_ENV
2163 fork_rx_syscall(rn, AFSOP_START_RXCALLBACK, preallocs, enable_peer_stats,
2164 enable_process_stats);
2166 fork_syscall(rn, AFSOP_START_RXCALLBACK, preallocs, 0, 0);
2168 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV) || defined(RXK_UPCALL_ENV)
2170 printf("%s: Forking rxevent daemon.\n", rn);
2171 fork_rx_syscall(rn, AFSOP_RXEVENT_DAEMON);
2176 printf("%s: Forking AFSDB lookup handler.\n", rn);
2177 afsd_fork(0, afsdb_thread, NULL);
2179 code = afsd_syscall(AFSOP_BASIC_INIT, 1);
2181 printf("%s: Error %d in basic initialization.\n", rn, code);
2186 * Tell the kernel some basic information about the workstation's cache.
2190 ("%s: Calling AFSOP_CACHEINIT: %d stat cache entries, %d optimum cache files, %d blocks in the cache, flags = 0x%x, dcache entries %d\n",
2191 rn, cacheStatEntries, cacheFiles, cacheBlocks, cacheFlags,
2193 memset(&cparams, '\0', sizeof(cparams));
2194 cparams.cacheScaches = cacheStatEntries;
2195 cparams.cacheFiles = cacheFiles;
2196 cparams.cacheBlocks = cacheBlocks;
2197 cparams.cacheDcaches = dCacheSize;
2198 cparams.cacheVolumes = vCacheSize;
2199 cparams.chunkSize = chunkSize;
2200 cparams.setTimeFlag = 0;
2201 cparams.memCacheFlag = cacheFlags;
2202 cparams.dynamic_vcaches = afsd_dynamic_vcaches;
2203 afsd_syscall(AFSOP_CACHEINIT, &cparams);
2205 /* do it before we init the cache inodes */
2206 if (enable_splitcache) {
2207 afsd_syscall(AFSOP_BUCKETPCT, 1, rwpct);
2208 afsd_syscall(AFSOP_BUCKETPCT, 2, ropct);
2211 if (afsd_CloseSynch)
2212 afsd_syscall(AFSOP_CLOSEWAIT);
2215 * Sweep the workstation AFS cache directory, remembering the inodes of
2216 * valid files and deleting extraneous files. Keep sweeping until we
2217 * have the right number of data cache files or we've swept too many
2220 * This also creates files in the cache directory like VolumeItems and
2221 * CellItems, and thus must be ran before those are sent to the kernel.
2224 printf("%s: Sweeping workstation's AFS cache directory.\n", rn);
2226 /* Memory-cache based system doesn't need any of this */
2227 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
2230 if (SweepAFSCache(&vFilesFound)) {
2231 printf("%s: Error on sweep %d of workstation AFS cache \
2232 directory.\n", rn, cacheIteration);
2237 ("%s: %d out of %d data cache files found in sweep %d.\n",
2238 rn, vFilesFound, cacheFiles, cacheIteration);
2239 } while ((vFilesFound < cacheFiles)
2240 && (cacheIteration < MAX_CACHE_LOOPS));
2241 } else if (afsd_verbose)
2242 printf("%s: Using memory cache, not swept\n", rn);
2245 * Pass the kernel the name of the workstation cache file holding the
2249 printf("%s: Calling AFSOP_CACHEINFO: dcache file is '%s'\n", rn,
2251 /* once again, meaningless for a memory-based cache. */
2252 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
2253 afsd_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
2256 * Pass the kernel the name of the workstation cache file holding the
2259 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
2261 printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n", rn,
2262 fullpn_CellInfoFile);
2263 afsd_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
2268 printf("%s: Setting rxmaxfrags in kernel = %d\n", rn, rxmaxfrags);
2269 code = afsd_syscall(AFSOP_SET_RXMAXFRAGS, rxmaxfrags);
2271 printf("%s: Error seting rxmaxfrags\n", rn);
2276 printf("%s: Setting rxmaxmtu in kernel = %d\n", rn, rxmaxmtu);
2277 code = afsd_syscall(AFSOP_SET_RXMAXMTU, rxmaxmtu);
2279 printf("%s: Error seting rxmaxmtu\n", rn);
2282 if (enable_dynroot) {
2284 printf("%s: Enabling dynroot support in kernel%s.\n", rn,
2285 (enable_dynroot==2)?", not showing cells.":"");
2286 code = afsd_syscall(AFSOP_SET_DYNROOT, 1);
2288 printf("%s: Error enabling dynroot support.\n", rn);
2291 if (enable_fakestat) {
2293 printf("%s: Enabling fakestat support in kernel%s.\n", rn,
2294 (enable_fakestat==1)?" for all mountpoints."
2295 :" for crosscell mountpoints");
2296 code = afsd_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
2298 printf("%s: Error enabling fakestat support.\n", rn);
2301 if (enable_backuptree) {
2303 printf("%s: Enabling backup tree support in kernel.\n", rn);
2304 code = afsd_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
2306 printf("%s: Error enabling backup tree support.\n", rn);
2310 * Tell the kernel about each cell in the configuration.
2312 afsconf_CellApply(cdir, ConfigCell, NULL);
2313 afsconf_CellAliasApply(cdir, ConfigCellAlias, NULL);
2315 /* Initialize AFS daemon threads. */
2317 printf("%s: Forking AFS daemon.\n", rn);
2318 fork_syscall(rn, AFSOP_START_AFS);
2321 printf("%s: Forking Check Server Daemon.\n", rn);
2322 fork_syscall(rn, AFSOP_START_CS);
2325 printf("%s: Forking %d background daemons.\n", rn, nDaemons);
2326 #if defined(AFS_SGI_ENV) && defined(AFS_SGI_SHORTSTACK)
2327 /* Add one because for sgi we always "steal" the first daemon for a
2328 * different task if we only have a 4K stack.
2332 for (i = 0; i < nDaemons; i++) {
2333 afsd_fork(0, daemon_thread, NULL);
2335 #ifdef AFS_AIX32_ENV
2337 nBiods = nDaemons * 2;
2340 for (i = 0; i < nBiods; i++) {
2341 fork_syscall(rn, AFSOP_START_BKG, nBiods);
2346 * If the root volume has been explicitly set, tell the kernel.
2350 printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn,
2352 afsd_syscall(AFSOP_ROOTVOLUME, rootVolume);
2356 * Pass the kernel the name of the workstation cache file holding the
2357 * volume information.
2360 printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
2361 fullpn_VolInfoFile);
2362 /* once again, meaningless for a memory-based cache. */
2363 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
2364 afsd_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
2367 * Give the kernel the names of the AFS files cached on the workstation's
2370 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
2371 int nocachefile = 0;
2374 ("%s: Calling AFSOP_CACHEFILE for each of the %d files in '%s'\n",
2375 rn, cacheFiles, cacheBaseDir);
2376 /* ... and again ... */
2377 for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
2379 sprintf(fullpn_VFile, "%s/D%d/V%d", cacheBaseDir, dir_for_V[currVFile], currVFile);
2380 code = afsd_syscall(AFSOP_CACHEFILE, fullpn_VFile);
2382 if (currVFile == 0) {
2385 ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
2386 rn, cacheFiles, cacheBaseDir);
2390 ("%s: Error calling AFSOP_CACHEFILE for '%s'\n",
2397 /* fall through to setup-by-inode */
2399 #if defined(AFS_SGI62_ENV) || !(defined(AFS_LINUX26_ENV) || defined(AFS_CACHE_VNODE_PATH))
2400 afsd_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
2403 ("%s: Error calling AFSOP_CACHEINODE: not configured\n",
2411 * All the necessary info has been passed into the kernel to run an AFS
2412 * system. Give the kernel our go-ahead.
2415 printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n", rn,
2417 afsd_syscall(AFSOP_GO, 0);
2420 * At this point, we have finished passing the kernel all the info
2421 * it needs to set up the AFS. Mount the AFS root.
2423 printf("%s: All AFS daemons started.\n", rn);
2426 printf("%s: Forking trunc-cache daemon.\n", rn);
2427 fork_syscall(rn, AFSOP_START_TRUNCDAEMON);
2429 if (!enable_nomount) {
2430 afsd_mount_afs(rn, afsd_cacheMountDir);
2436 printf("%s: Forking 'rmtsys' daemon.\n", rn);
2437 afsd_fork(0, rmtsysd_thread, NULL);
2439 #endif /* !UKERNEL */
2441 * Exit successfully.
2446 #include "AFS_component_version_number.c"
2451 struct cmd_syndesc *ts;
2453 ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
2456 cmd_AddParmAtOffset(ts, OPT_blocks, "-blocks", CMD_SINGLE,
2457 CMD_OPTIONAL, "1024 byte blocks in cache");
2458 cmd_AddParmAtOffset(ts, OPT_files, "-files", CMD_SINGLE,
2459 CMD_OPTIONAL, "files in cache");
2460 cmd_AddParmAtOffset(ts, OPT_rootvol, "-rootvol", CMD_SINGLE,
2461 CMD_OPTIONAL, "name of AFS root volume");
2462 cmd_AddParmAtOffset(ts, OPT_stat, "-stat", CMD_SINGLE,
2463 CMD_OPTIONAL, "number of stat entries");
2464 cmd_AddParmAtOffset(ts, OPT_memcache, "-memcache", CMD_FLAG,
2465 CMD_OPTIONAL, "run diskless");
2466 cmd_AddParmAtOffset(ts, OPT_cachedir, "-cachedir", CMD_SINGLE,
2467 CMD_OPTIONAL, "cache directory");
2468 cmd_AddParmAtOffset(ts, OPT_mountdir, "-mountdir", CMD_SINGLE,
2469 CMD_OPTIONAL, "mount location");
2470 cmd_AddParmAtOffset(ts, OPT_daemons, "-daemons", CMD_SINGLE,
2471 CMD_OPTIONAL, "number of daemons to use");
2472 cmd_AddParmAtOffset(ts, OPT_nosettime, "-nosettime", CMD_FLAG,
2473 CMD_OPTIONAL, "don't set the time");
2474 cmd_AddParmAtOffset(ts, OPT_verbose, "-verbose", CMD_FLAG,
2475 CMD_OPTIONAL, "display lots of information");
2476 cmd_AddParmAtOffset(ts, OPT_rmtsys, "-rmtsys", CMD_FLAG,
2477 CMD_OPTIONAL, "start NFS rmtsysd program");
2478 cmd_AddParmAtOffset(ts, OPT_debug, "-debug", CMD_FLAG,
2479 CMD_OPTIONAL, "display debug info");
2480 cmd_AddParmAtOffset(ts, OPT_chunksize, "-chunksize", CMD_SINGLE,
2481 CMD_OPTIONAL, "log(2) of chunk size");
2482 cmd_AddParmAtOffset(ts, OPT_dcache, "-dcache", CMD_SINGLE,
2483 CMD_OPTIONAL, "number of dcache entries");
2484 cmd_AddParmAtOffset(ts, OPT_volumes, "-volumes", CMD_SINGLE,
2485 CMD_OPTIONAL, "number of volume entries");
2486 cmd_AddParmAtOffset(ts, OPT_biods, "-biods", CMD_SINGLE,
2487 CMD_OPTIONAL, "number of bkg I/O daemons (aix vm)");
2488 cmd_AddParmAtOffset(ts, OPT_prealloc, "-prealloc", CMD_SINGLE,
2489 CMD_OPTIONAL, "number of 'small' preallocated blocks");
2490 cmd_AddParmAtOffset(ts, OPT_confdir, "-confdir", CMD_SINGLE,
2491 CMD_OPTIONAL, "configuration directory");
2492 cmd_AddParmAtOffset(ts, OPT_logfile, "-logfile", CMD_SINGLE,
2493 CMD_OPTIONAL, "Place to keep the CM log");
2494 cmd_AddParmAtOffset(ts, OPT_waitclose, "-waitclose", CMD_FLAG,
2495 CMD_OPTIONAL, "make close calls synchronous");
2496 cmd_AddParmAtOffset(ts, OPT_shutdown, "-shutdown", CMD_FLAG,
2497 CMD_OPTIONAL, "Shutdown all afs state");
2498 cmd_AddParmAtOffset(ts, OPT_peerstats, "-enable_peer_stats", CMD_FLAG,
2499 CMD_OPTIONAL | CMD_HIDE,
2500 "Collect rpc statistics by peer");
2501 cmd_AddParmAtOffset(ts, OPT_processstats, "-enable_process_stats",
2502 CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
2503 "Collect rpc statistics for this process");
2504 cmd_AddParmAtOffset(ts, OPT_memallocsleep, "-mem_alloc_sleep",
2505 CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
2506 "Allow sleeps when allocating memory cache");
2507 cmd_AddParmAtOffset(ts, OPT_afsdb, "-afsdb", CMD_FLAG,
2508 CMD_OPTIONAL, "Enable AFSDB support");
2509 cmd_AddParmAtOffset(ts, OPT_filesdir, "-files_per_subdir", CMD_SINGLE,
2511 "log(2) of the number of cache files per "
2512 "cache subdirectory");
2513 cmd_AddParmAtOffset(ts, OPT_dynroot, "-dynroot", CMD_FLAG,
2514 CMD_OPTIONAL, "Enable dynroot support");
2515 cmd_AddParmAtOffset(ts, OPT_fakestat, "-fakestat", CMD_FLAG,
2517 "Enable fakestat support for cross-cell mounts");
2518 cmd_AddParmAtOffset(ts, OPT_fakestatall, "-fakestat-all", CMD_FLAG,
2520 "Enable fakestat support for all mounts");
2521 cmd_AddParmAtOffset(ts, OPT_nomount, "-nomount", CMD_FLAG,
2522 CMD_OPTIONAL, "Do not mount AFS");
2523 cmd_AddParmAtOffset(ts, OPT_backuptree, "-backuptree", CMD_FLAG,
2525 "Prefer backup volumes for mointpoints in backup "
2527 cmd_AddParmAtOffset(ts, OPT_rxbind, "-rxbind", CMD_FLAG,
2529 "Bind the Rx socket (one interface only)");
2530 cmd_AddParmAtOffset(ts, OPT_settime, "-settime", CMD_FLAG,
2531 CMD_OPTIONAL, "set the time");
2532 cmd_AddParmAtOffset(ts, OPT_rxpck, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
2533 "set rx_extraPackets to this value");
2534 cmd_AddParmAtOffset(ts, OPT_splitcache, "-splitcache", CMD_SINGLE,
2536 "Percentage RW versus RO in cache (specify as 60/40)");
2537 cmd_AddParmAtOffset(ts, OPT_nodynvcache, "-disable-dynamic-vcaches",
2538 CMD_FLAG, CMD_OPTIONAL,
2539 "disable stat/vcache cache growing as needed");
2540 cmd_AddParmAtOffset(ts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
2541 CMD_OPTIONAL, "set rx max MTU to use");
2542 cmd_AddParmAtOffset(ts, OPT_dynrootsparse, "-dynroot-sparse", CMD_FLAG,
2544 "Enable dynroot support with minimal cell list");
2545 cmd_AddParmAtOffset(ts, OPT_rxmaxfrags, "-rxmaxfrags", CMD_SINGLE,
2547 "Set the maximum number of UDP fragments Rx should "
2548 "send/receive per Rx packet");
2552 afsd_parse(int argc, char **argv)
2554 return cmd_Dispatch(argc, argv);
2558 * entry point for calling a syscall from another proc/thread.
2560 * @param[in] rock a struct afsd_syscall_args* specifying what syscall to call
2563 * @retval NULL always
2566 call_syscall_thread(void *rock)
2568 struct afsd_syscall_args *args = rock;
2572 afsd_set_rx_rtpri();
2575 code = afsd_call_syscall(args);
2576 if (code && args->syscall == AFSOP_START_CS) {
2577 printf("%s: No check server daemon in client.\n", args->rn);
2586 afsd_syscall_populate(struct afsd_syscall_args *args, int syscall, va_list ap)
2588 afsd_syscall_param_t *params;
2590 memset(args, 0, sizeof(struct afsd_syscall_args));
2592 args->syscall = syscall;
2593 params = args->params;
2596 case AFSOP_RXEVENT_DAEMON:
2598 case AFSOP_START_BKG:
2599 case AFSOP_SHUTDOWN:
2600 case AFSOP_SET_RXPCK:
2601 case AFSOP_BASIC_INIT:
2602 case AFSOP_SET_RXMAXFRAGS:
2603 case AFSOP_SET_RXMAXMTU:
2604 case AFSOP_SET_DYNROOT:
2605 case AFSOP_SET_FAKESTAT:
2606 case AFSOP_SET_BACKUPTREE:
2608 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2610 case AFSOP_SET_THISCELL:
2611 case AFSOP_ROOTVOLUME:
2612 case AFSOP_VOLUMEINFO:
2613 case AFSOP_CACHEFILE:
2614 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2616 case AFSOP_ADDCELLALIAS:
2617 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2618 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2620 case AFSOP_AFSDB_HANDLER:
2621 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2622 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2623 params[2] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2625 case AFSOP_BKG_HANDLER:
2626 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2627 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2628 params[2] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2630 case AFSOP_RXLISTENER_DAEMON:
2631 case AFSOP_START_RXCALLBACK:
2632 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2633 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2634 params[2] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2636 case AFSOP_ADVISEADDR:
2637 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, int)));
2638 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2639 params[2] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2640 params[3] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2642 case AFSOP_ADDCELL2:
2643 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2644 params[1] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2645 params[2] = CAST_SYSCALL_PARAM((va_arg(ap, afs_int32)));
2646 params[3] = CAST_SYSCALL_PARAM((va_arg(ap, void *)));
2648 case AFSOP_CACHEINODE:
2649 #if defined AFS_SGI62_ENV
2651 afs_int64 tmp = va_arg(ap, afs_int64);
2652 params[0] = CAST_SYSCALL_PARAM((afs_uint32)(tmp >> 32));
2653 params[1] = CAST_SYSCALL_PARAM((afs_uint32)(tmp & 0xffffffff));
2656 params[0] = CAST_SYSCALL_PARAM((va_arg(ap, afs_uint32)));
2660 printf("Unknown syscall enountered: %d\n", syscall);
2666 * common code for calling a syscall in another proc/thread.
2668 * @param[in] rx 1 if this is a thread for RX stuff, 0 otherwise
2669 * @param[in] wait 1 if we should wait for the new proc/thread to finish, 0 to
2670 * let it run in the background
2671 * @param[in] rn the name of the running program
2672 * @param[in] syscall syscall to run
2675 fork_syscall_impl(int rx, int wait, const char *rn, int syscall, va_list ap)
2677 struct afsd_syscall_args *args;
2679 args = malloc(sizeof(*args));
2680 afsd_syscall_populate(args, syscall, ap);
2684 afsd_fork(wait, call_syscall_thread, args);
2688 * call a syscall in another process or thread.
2691 fork_syscall(const char *rn, int syscall, ...)
2695 va_start(ap, syscall);
2696 fork_syscall_impl(0, 0, rn, syscall, ap);
2701 * call a syscall in another process or thread, and give it RX priority.
2704 fork_rx_syscall(const char *rn, int syscall, ...)
2708 va_start(ap, syscall);
2709 fork_syscall_impl(1, 0, rn, syscall, ap);
2713 #if defined(AFS_SUN510_ENV) && defined(RXK_LISTENER_ENV)
2715 * call a syscall in another process or thread, give it RX priority, and wait
2716 * for it to finish before returning.
2719 fork_rx_syscall_wait(const char *rn, int syscall, ...)
2723 va_start(ap, syscall);
2724 fork_syscall_impl(1, 1, rn, syscall, ap);
2727 #endif /* AFS_SUN510_ENV && RXK_LISTENER_ENV */
2730 afsd_syscall(int syscall, ...)
2733 struct afsd_syscall_args args;
2735 va_start(ap, syscall);
2736 afsd_syscall_populate(&args, syscall, ap);
2739 return afsd_call_syscall(&args);