* -cachedir The base directory for the workstation cache.
* -mountdir The directory on which the AFS is to be mounted.
* -confdir The configuration directory .
- * -nosettime Don't keep checking the time to avoid drift.
+ * -nosettime Don't keep checking the time to avoid drift (default).
+ * -settime Keep checking the time to avoid drift.
+ * -rxmaxmtu Set the max mtu to help with VPN issues.
* -verbose Be chatty.
+ * -disable-dynamic-vcaches Disable the use of -stat value as the starting size of
+ * the size of the vcache/stat cache pool,
+ * but increase that pool dynamically as needed.
* -debug Print out additional debugging info.
* -kerndev [OBSOLETE] The kernel device for AFS.
* -dontfork [OBSOLETE] Don't fork off as a new process.
* -dcache The number of data cache entries.
* -biods Number of bkg I/O daemons (AIX3.1 only)
* -prealloc Number of preallocated "small" memory blocks
- * -pininodes Number of inodes which can be spared from inode[] for
- * pointing at Vfiles. If this is set too high, you may have
- * system problems, which can only be ameliorated by changing
- * NINODE (or equivalent) and rebuilding the kernel.
- * This option is now disabled.
- * -logfile Place where to put the logfile (default in <cache>/etc/AFSLog.
+ * -logfile [OBSOLETE] Place where to put the logfile (default in
+ * <cache>/etc/AFSLog.
* -waitclose make close calls always synchronous (slows em down, tho)
* -files_per_subdir [n] number of files per cache subdir. (def=2048)
* -shutdown Shutdown afs daemons
#include <afsconfig.h>
#include <afs/param.h>
-RCSID
- ("$Header$");
+#ifdef IGNORE_SOME_GCC_WARNINGS
+# pragma GCC diagnostic warning "-Wdeprecated-declarations"
+#endif
#define VFS 1
+#include <afs/stds.h>
+
#include <afs/cmd.h>
+#include "afsd.h"
+
#include <assert.h>
#include <potpourri.h>
#include <afs/afsutil.h>
#include <sys/file.h>
#include <errno.h>
#include <sys/time.h>
-#include <dirent.h>
+#include <sys/wait.h>
+
+/* darwin dirent.h doesn't give us the prototypes we want if KERNEL is
+ * defined */
+#if defined(UKERNEL) && defined(AFS_USR_DARWIN_ENV)
+# undef KERNEL
+# include <dirent.h>
+# define KERNEL
+#else
+# include <dirent.h>
+#endif
+
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#include <netinet/in.h>
#include <afs/afs_args.h>
#include <afs/cellconfig.h>
-#include <afs/auth.h>
#include <ctype.h>
#include <afs/afssyscalls.h>
#include <afs/afsutil.h>
+#include <afs/sys_prototypes.h>
#ifdef AFS_SGI61_ENV
#include <unistd.h>
#ifdef AFS_SGI65_ENV
#include <sched.h>
#endif
-#ifdef AFS_LINUX20_ENV
-#include <sys/resource.h>
-#endif
+
#ifdef AFS_DARWIN_ENV
+#ifdef AFS_DARWIN80_ENV
+#include <sys/ioctl.h>
+#include <sys/xattr.h>
+#endif
#include <mach/mach.h>
-/* Symbols from the DiskArbitration framework */
-kern_return_t DiskArbStart(mach_port_t *);
-kern_return_t DiskArbDiskAppearedWithMountpointPing_auto(char *, unsigned int,
- char *);
-#define DISK_ARB_NETWORK_DISK_FLAG 8
-#endif /* AFS_DARWIN_ENV */
+#include <mach/mach_port.h>
+#include <mach/mach_interface.h>
+#include <mach/mach_init.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include <SystemConfiguration/SystemConfiguration.h>
+#include <SystemConfiguration/SCDynamicStore.h>
+
+#include <IOKit/pwr_mgt/IOPMLib.h>
+#include <IOKit/IOMessage.h>
+
+static io_connect_t root_port;
+static IONotificationPortRef notify;
+static io_object_t iterator;
+static CFRunLoopSourceRef source;
-#ifndef MOUNT_AFS
-#define MOUNT_AFS AFS_MOUNT_AFS
-#endif /* MOUNT_AFS */
+static int event_pid;
-#if AFS_HAVE_STATVFS
+#endif /* AFS_DARWIN_ENV */
+
+#if AFS_HAVE_STATVFS || defined(HAVE_SYS_STATVFS_H)
#include <sys/statvfs.h>
#else
#if defined(AFS_SUN_ENV)
#include <sys/vfs.h>
#else
-#if !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
+#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#endif
#undef VIRTUE
#undef VICE
+
#define CACHEINFOFILE "cacheinfo"
-#define AFSLOGFILE "AFSLog"
#define DCACHEFILE "CacheItems"
#define VOLINFOFILE "VolumeItems"
#define CELLINFOFILE "CellItems"
#define MAX_CACHE_LOOPS 4
+
/*
* Internet address (old style... should be updated). This was pulled out of the old 4.2
* version of <netinet/in.h>, since it's still useful.
/*
* Global configuration variables.
*/
-afs_int32 afs_shutdown = 0;
-afs_int32 cacheBlocks; /*Num blocks in the cache */
-afs_int32 cacheFiles = 1000; /*Optimal # of files in workstation cache */
-afs_int32 cacheStatEntries = 300; /*Number of stat cache entries */
-char cacheBaseDir[1024]; /*Where the workstation AFS cache lives */
-char confDir[1024]; /*Where the workstation AFS configuration lives */
-char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE */
-char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE */
-char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE */
-char fullpn_AFSLogFile[1024]; /*Full pathname of AFSLOGFILE */
-char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
-char fullpn_VFile[1024]; /*Full pathname of data cache files */
-char *vFilePtr; /*Ptr to the number part of above pathname */
-int sawCacheMountDir = 0; /* from cmd line */
-int sawCacheBaseDir = 0;
-int sawCacheBlocks = 0;
-int sawDCacheSize = 0;
-int sawBiod = 0;
-char cacheMountDir[1024]; /*Mount directory for AFS */
-char rootVolume[64] = "root.afs"; /*AFS root volume name */
-afs_int32 cacheSetTime = 1; /*Keep checking time to avoid drift? */
-afs_int32 isHomeCell; /*Is current cell info for the home cell? */
+static afs_int32 enable_rxbind = 0;
+static afs_int32 afs_shutdown = 0;
+static afs_int32 cacheBlocks; /*Num blocks in the cache */
+static afs_int32 cacheFiles; /*Optimal # of files in workstation cache */
+static afs_int32 rwpct = 0;
+static afs_int32 ropct = 0;
+static afs_int32 cacheStatEntries; /*Number of stat cache entries */
+static char cacheBaseDir[1024]; /*Where the workstation AFS cache lives */
+static char confDir[1024]; /*Where the workstation AFS configuration lives */
+static char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE */
+static char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE */
+static char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE */
+static char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
+static char fullpn_VFile[1024]; /*Full pathname of data cache files */
+static char *vFilePtr; /*Ptr to the number part of above pathname */
+static int sawCacheMountDir = 0; /* from cmd line */
+static int sawCacheBaseDir = 0;
+static int sawCacheBlocks = 0;
+static int sawDCacheSize = 0;
+#ifdef AFS_AIX32_ENV
+static int sawBiod = 0;
+#endif
+static int sawCacheStatEntries = 0;
+char afsd_cacheMountDir[1024]; /*Mount directory for AFS */
+static char rootVolume[64] = "root.afs"; /*AFS root volume name */
+static afs_int32 cacheSetTime = FALSE; /*Keep checking time to avoid drift? */
#ifdef AFS_XBSD_ENV
-int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open */
+static int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open */
#else
-int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open */
+static int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open */
#endif
-int ownerRWmode = 0600; /*Read/write OK by owner */
+static int ownerRWmode = 0600; /*Read/write OK by owner */
static int filesSet = 0; /*True if number of files explicitly set */
static int nFilesPerDir = 2048; /* # files per cache dir */
-static int nDaemons = 2; /* Number of background daemons */
+#if defined(AFS_CACHE_BYPASS)
+#define AFSD_NDAEMONS 4
+#else
+#define AFSD_NDAEMONS 2
+#endif
+static int nDaemons = AFSD_NDAEMONS; /* Number of background daemons */
static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
-static int dCacheSize = 300; /* # of dcache entries */
-static int vCacheSize = 50; /* # of volume cache entries */
+static int dCacheSize; /* # of dcache entries */
+static int vCacheSize = 200; /* # of volume cache entries */
static int rootVolSet = 0; /*True if root volume name explicitly set */
int addrNum; /*Cell server address index being printed */
static int cacheFlags = 0; /*Flags to cache manager */
+#ifdef AFS_AIX32_ENV
static int nBiods = 5; /* AIX3.1 only */
+#endif
static int preallocs = 400; /* Def # of allocated memory blocks */
static int enable_peer_stats = 0; /* enable rx stats */
static int enable_process_stats = 0; /* enable rx stats */
-#ifdef AFS_AFSDB_ENV
static int enable_afsdb = 0; /* enable AFSDB support */
-#endif
static int enable_dynroot = 0; /* enable dynroot support */
static int enable_fakestat = 0; /* enable fakestat support */
static int enable_backuptree = 0; /* enable backup tree support */
static int enable_nomount = 0; /* do not mount */
-#ifdef notdef
-static int inodes = 60; /* VERY conservative, but has to be */
-#endif
+static int enable_splitcache = 0;
+static int afsd_dynamic_vcaches = 0; /* Enable dynamic-vcache support */
int afsd_verbose = 0; /*Are we being chatty? */
int afsd_debug = 0; /*Are we printing debugging info? */
-int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
+static int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
+static int rxmaxmtu = 0; /* Are we forcing a limit on the mtu? */
#ifdef AFS_SGI62_ENV
#define AFSD_INO_T ino64_t
* -2: file exists in top-level
* >=0: file exists in Dxxx
*/
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
AFSD_INO_T *inode_for_V; /* Array of inodes for desired
* cache files */
+#endif
int missing_DCacheFile = 1; /*Is the DCACHEFILE missing? */
int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing? */
int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing? */
int afsd_rmtsys = 0; /* Default: don't support rmtsys */
struct afs_cacheParams cparams; /* params passed to cache manager */
-static int HandleMTab();
+int PartSizeOverflow(char *path, int cs);
+
+#if defined(AFS_SUN510_ENV) && defined(RXK_LISTENER_ENV)
+static void fork_rx_syscall_wait();
+#endif
+#if defined(AFS_SUN510_ENV) || defined(RXK_LISTENER_ENV)
+static void fork_rx_syscall();
+#endif
+static void fork_syscall();
+
+#ifdef AFS_DARWIN_ENV
+static void
+afsd_sleep_callback(void * refCon, io_service_t service,
+ natural_t messageType, void * messageArgument )
+{
+ switch (messageType) {
+ case kIOMessageCanSystemSleep:
+ /* Idle sleep is about to kick in; can
+ prevent sleep by calling IOCancelPowerChange, otherwise
+ if we don't ack in 30s the system sleeps anyway */
+
+ /* allow it */
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillSleep:
+ /* The system WILL go to sleep. Ack or suffer delay */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillRestart:
+ /* The system WILL restart. Ack or suffer delay */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ case kIOMessageSystemWillPowerOn:
+ case kIOMessageSystemHasPoweredOn:
+ /* coming back from sleep */
+
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+
+ default:
+ IOAllowPowerChange(root_port, (long)messageArgument);
+ break;
+ }
+}
+
+static void
+afsd_update_addresses(CFRunLoopTimerRef timer, void *info)
+{
+ /* parse multihomed address files */
+ afs_uint32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
+ mtubuf[MAXIPADDRS];
+ char reason[1024];
+ afs_int32 code;
+
+ code =
+ parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
+ AFSDIR_CLIENT_NETINFO_FILEPATH,
+ AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
+
+ if (code > 0) {
+ /* Note we're refreshing */
+ code = code | 0x40000000;
+ afsd_call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
+ } else
+ printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
+ reason);
+}
+
+/* This function is called when the system's ip addresses may have changed. */
+static void
+afsd_ipaddr_callback (SCDynamicStoreRef store, CFArrayRef changed_keys, void *info)
+{
+ CFRunLoopTimerRef timer;
+
+ timer = CFRunLoopTimerCreate (NULL, CFAbsoluteTimeGetCurrent () + 1.0,
+ 0.0, 0, 0, afsd_update_addresses, NULL);
+ CFRunLoopAddTimer (CFRunLoopGetCurrent (), timer,
+ kCFRunLoopDefaultMode);
+ CFRelease (timer);
+}
+
+static void
+afsd_event_cleanup(int signo) {
+
+ CFRunLoopRemoveSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
+ CFRelease (source);
+ IODeregisterForSystemPower(&iterator);
+ IOServiceClose(root_port);
+ IONotificationPortDestroy(notify);
+
+ exit(0);
+}
+
+/* Adapted from "Living in a Dynamic TCP/IP Environment" technote. */
+static void
+afsd_install_events(void)
+{
+ SCDynamicStoreContext ctx = {0};
+ SCDynamicStoreRef store;
+
+ root_port = IORegisterForSystemPower(0,¬ify,afsd_sleep_callback,&iterator);
+
+ if (root_port) {
+ CFRunLoopAddSource(CFRunLoopGetCurrent(),
+ IONotificationPortGetRunLoopSource(notify),
+ kCFRunLoopDefaultMode);
+ }
+
+
+ store = SCDynamicStoreCreate (NULL,
+ CFSTR ("AddIPAddressListChangeCallbackSCF"),
+ afsd_ipaddr_callback, &ctx);
+
+ if (store) {
+ const void *keys[1];
+
+ /* Request IPV4 address change notification */
+ keys[0] = (SCDynamicStoreKeyCreateNetworkServiceEntity
+ (NULL, kSCDynamicStoreDomainState,
+ kSCCompAnyRegex, kSCEntNetIPv4));
+
+#if 0
+ /* This should tell us when the hostname(s) change. do we care? */
+ keys[N] = SCDynamicStoreKeyCreateHostNames (NULL);
+#endif
+
+ if (keys[0] != NULL) {
+ CFArrayRef pattern_array;
+
+ pattern_array = CFArrayCreate (NULL, keys, 1,
+ &kCFTypeArrayCallBacks);
+
+ if (pattern_array != NULL)
+ {
+ SCDynamicStoreSetNotificationKeys (store, NULL, pattern_array);
+ source = SCDynamicStoreCreateRunLoopSource (NULL, store, 0);
+
+ CFRelease (pattern_array);
+ }
+
+ if (keys[0] != NULL)
+ CFRelease (keys[0]);
+ }
+
+ CFRelease (store);
+ }
+
+ if (source != NULL) {
+ CFRunLoopAddSource (CFRunLoopGetCurrent(),
+ source, kCFRunLoopDefaultMode);
+ }
+
+ signal(SIGTERM, afsd_event_cleanup);
+
+ CFRunLoopRun();
+}
+#endif
/* ParseArgs is now obsolete, being handled by cmd */
*---------------------------------------------------------------------------*/
int
-ParseCacheInfoFile()
+ParseCacheInfoFile(void)
{
static char rn[] = "ParseCacheInfoFile"; /*This routine's name */
FILE *cachefd; /*Descriptor for cache info file */
tbd++);
/* now copy in the fields not explicitly overridden by cmd args */
if (!sawCacheMountDir)
- strcpy(cacheMountDir, tmd);
+ strcpy(afsd_cacheMountDir, tmd);
if (!sawCacheBaseDir)
strcpy(cacheBaseDir, tbd);
if (!sawCacheBlocks)
("\tcacheMountDir: '%s'\n\tcacheBaseDir: '%s'\n\tcacheBlocks: %d\n",
tmd, tbd, tCacheBlocks);
}
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
- PartSizeOverflow(tbd, cacheBlocks);
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
+ return (PartSizeOverflow(tbd, cacheBlocks));
+ }
return (0);
}
* isn't a mounted partition it's also ignored since we can't guarantee
* what will be stored afterwards. Too many if's. This is now purely
* advisory. ODS with over 2G partition also gives warning message.
+ *
+ * Returns:
+ * 0 if everything went well,
+ * 1 otherwise.
*/
-PartSizeOverflow(path, cs)
- char *path;
- int cs;
+int
+PartSizeOverflow(char *path, int cs)
{
- int bsize = -1, totalblks, mint;
-#if AFS_HAVE_STATVFS
+ int bsize = -1;
+ afs_int64 totalblks, mint;
+#if AFS_HAVE_STATVFS || defined(HAVE_SYS_STATVFS_H)
struct statvfs statbuf;
if (statvfs(path, &statbuf) != 0) {
}
totalblks = statbuf.f_blocks;
bsize = statbuf.f_frsize;
-#else
+#if AFS_AIX51_ENV
+ if (strcmp(statbuf.f_basetype, "jfs")) {
+ fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
+ path, statbuf.f_basetype);
+ return 1;
+ }
+#endif /* AFS_AIX51_ENV */
+
+#else /* AFS_HAVE_STATVFS */
struct statfs statbuf;
if (statfs(path, &statbuf) < 0) {
bsize = statbuf.f_bsize;
#endif
if (bsize == -1)
- return 0; /* sucess */
+ return 0; /* success */
/* now free and totalblks are in fragment units, but we want them in 1K units */
if (bsize >= 1024) {
totalblks /= (1024 / bsize);
}
- mint = totalblks - ((totalblks * 5) / 100);
+ mint = totalblks / 100 * 95;
if (cs > mint) {
printf
- ("Cache size (%d) must be less than 95%% of partition size (which is %d). Lower cache size\n",
+ ("Cache size (%d) must be less than 95%% of partition size (which is %lld). Lower cache size\n",
cs, mint);
+ return 1;
}
+
+ return 0;
}
/*-----------------------------------------------------------------------------
*---------------------------------------------------------------------------*/
static int
-doGetXFileNumber(fname, filechar, maxNum)
- char *fname;
- char filechar;
- int maxNum;
+doGetXFileNumber(char *fname, char filechar, int maxNum)
{
int computedVNumber; /*The computed file number we return */
int filenameLen; /*Number of chars in filename */
}
int
-GetVFileNumber(fname, maxFile)
- char *fname;
- int maxFile;
+GetVFileNumber(char *fname, int maxFile)
{
return doGetXFileNumber(fname, 'V', maxFile);
}
int
-GetDDirNumber(fname, maxDir)
- char *fname;
- int maxDir;
+GetDDirNumber(char *fname, int maxDir)
{
return doGetXFileNumber(fname, 'D', maxDir);
}
*---------------------------------------------------------------------------*/
static int
-CreateCacheSubDir(basename, dirNum)
- char *basename;
- int dirNum;
+CreateCacheSubDir(char *basename, int dirNum)
{
static char rn[] = "CreateCacheSubDir"; /* Routine Name */
char dir[1024];
/* Build the new cache subdirectory */
sprintf(dir, "%s/D%d", basename, dirNum);
- if (afsd_verbose)
+ if (afsd_debug)
printf("%s: Creating cache subdir '%s'\n", rn, dir);
if ((ret = mkdir(dir, 0700)) != 0) {
return (0);
}
+static void
+SetNoBackupAttr(char *fullpn)
+{
+#ifdef AFS_DARWIN80_ENV
+ int ret;
+
+ ret = setxattr(fullpn, "com.apple.metadata:com_apple_backup_excludeItem",
+ "com.apple.backupd", strlen("com.apple.backupd"), 0,
+ XATTR_CREATE);
+ if(ret < 0)
+ {
+ if(errno != EEXIST)
+ fprintf(stderr, "afsd: Warning: failed to set attribute to preclude cache backup: %s\n", strerror(errno));
+ }
+#endif
+ return;
+}
+
static int
-MoveCacheFile(basename, fromDir, toDir, cacheFile, maxDir)
- char *basename;
- int fromDir, toDir, cacheFile, maxDir;
+MoveCacheFile(char *basename, int fromDir, int toDir, int cacheFile,
+ int maxDir)
{
static char rn[] = "MoveCacheFile";
char from[1024], to[1024];
from, to, ret, errno);
return -1;
}
+ SetNoBackupAttr(to);
/* Reset directory pointer; fix file counts */
dir_for_V[cacheFile] = toDir;
}
int
-CreateCacheFile(fname, statp)
- char *fname;
- struct stat *statp;
+CreateCacheFile(char *fname, struct stat *statp)
{
static char rn[] = "CreateCacheFile"; /*Routine name */
int cfd; /*File descriptor to AFS cache file */
int closeResult; /*Result of close() */
- if (afsd_verbose)
+ if (afsd_debug)
printf("%s: Creating cache file '%s'\n", rn, fname);
cfd = open(fname, createAndTrunc, ownerRWmode);
if (cfd <= 0) {
CreateFileIfMissing(char *fullpn, int missing)
{
if (missing) {
- if (afsd_verbose)
- printf("CreateFileIfMissing: Creating '%s'\n", fullpn);
if (CreateCacheFile(fullpn, NULL))
printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
}
}
+static void
+UnlinkUnwantedFile(char *rn, char *fullpn_FileToDelete, char *fileToDelete)
+{
+ if (unlink(fullpn_FileToDelete)) {
+ if ((errno == EISDIR || errno == EPERM) && *fileToDelete == 'D') {
+ if (rmdir(fullpn_FileToDelete)) {
+ printf("%s: Can't rmdir '%s', errno is %d\n", rn,
+ fullpn_FileToDelete, errno);
+ }
+ } else
+ printf("%s: Can't unlink '%s', errno is %d\n", rn,
+ fullpn_FileToDelete, errno);
+ }
+}
+
/*-----------------------------------------------------------------------------
* SweepAFSCache
*
static int
-doSweepAFSCache(vFilesFound, directory, dirNum, maxDir)
- int *vFilesFound;
- char *directory; /* /path/to/cache/directory */
- int dirNum; /* current directory number */
- int maxDir; /* maximum directory number */
+doSweepAFSCache(int *vFilesFound,
+ char *directory, /* /path/to/cache/directory */
+ int dirNum, /* current directory number */
+ int maxDir) /* maximum directory number */
{
static char rn[] = "doSweepAFSCache"; /* Routine Name */
char fullpn_FileToDelete[1024]; /*File to be deleted from cache */
{
if (afsd_debug) {
printf("%s: Current directory entry:\n", rn);
-#ifdef AFS_SGI62_ENV
- printf("\tinode=%lld, reclen=%d, name='%s'\n", currp->d_ino,
+#if defined(AFS_SGI62_ENV) || defined(AFS_DARWIN90_ENV)
+ printf("\tinode=%" AFS_INT64_FMT ", reclen=%d, name='%s'\n", currp->d_ino,
currp->d_reclen, currp->d_name);
+#elif defined(AFS_DFBSD_ENV)
+ printf("\tinode=%ld, name='%s'\n", (long)currp->d_ino, currp->d_name);
#else
- printf("\tinode=%d, reclen=%d, name='%s'\n", currp->d_ino,
+ printf("\tinode=%ld, reclen=%d, name='%s'\n", (long)currp->d_ino,
currp->d_reclen, currp->d_name);
#endif
}
* file's inode, directory, and bump the number of files found
* total and in this directory.
*/
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
inode_for_V[vFileNum] = currp->d_ino;
+#endif
dir_for_V[vFileNum] = dirNum; /* remember this directory */
if (!maxDir) {
* Found the file holding the dcache entries.
*/
missing_DCacheFile = 0;
+ SetNoBackupAttr(fullpn_DCacheFile);
} else if (dirNum < 0 && strcmp(currp->d_name, VOLINFOFILE) == 0) {
/*
* Found the file holding the volume info.
*/
missing_VolInfoFile = 0;
+ SetNoBackupAttr(fullpn_VolInfoFile);
} else if (dirNum < 0 && strcmp(currp->d_name, CELLINFOFILE) == 0) {
/*
* Found the file holding the cell info.
*/
missing_CellInfoFile = 0;
+ SetNoBackupAttr(fullpn_CellInfoFile);
} else if ((strcmp(currp->d_name, ".") == 0)
|| (strcmp(currp->d_name, "..") == 0) ||
#ifdef AFS_DECOSF_ENV
sprintf(fileToDelete, "%s", currp->d_name);
if (afsd_verbose)
printf("%s: Deleting '%s'\n", rn, fullpn_FileToDelete);
- if (unlink(fullpn_FileToDelete)) {
- if (errno == EISDIR && *fileToDelete == 'D') {
- if (rmdir(fullpn_FileToDelete)) {
- printf("%s: Can't rmdir '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
- } else
- printf("%s: Can't unlink '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
+ UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
}
}
vFileNum);
else {
struct stat statb;
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
assert(inode_for_V[vFileNum] == (AFSD_INO_T) 0);
+#endif
sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
if (afsd_verbose)
printf("%s: Creating '%s'\n", rn, fullpn_VFile);
if (CreateCacheFile(fullpn_VFile, &statb))
printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
else {
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
inode_for_V[vFileNum] = statb.st_ino;
+#endif
dir_for_V[vFileNum] = thisDir;
cache_dir_list[thisDir]++;
(*vFilesFound)++;
}
+ SetNoBackupAttr(fullpn_VFile);
}
} else if (dir_for_V[vFileNum] >= maxDir
/* Remove any directories >= maxDir -- they should be empty */
for (; highDir >= maxDir; highDir--) {
sprintf(fileToDelete, "D%d", highDir);
- if (unlink(fullpn_FileToDelete)) {
- if (errno == EISDIR && *fileToDelete == 'D') {
- if (rmdir(fullpn_FileToDelete)) {
- printf("%s: Can't rmdir '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
- } else
- printf("%s: Can't unlink '%s', errno is %d\n", rn,
- fullpn_FileToDelete, errno);
- }
+ UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
}
}
if (res != 0) {
return "unable to statfs cache base directory";
}
+#if !defined(LINUX_USE_FH)
if (statfsbuf.f_type == 0x52654973) { /* REISERFS_SUPER_MAGIC */
return "cannot use reiserfs as cache partition";
+ } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
+ return "cannot use xfs as cache partition";
+ } else if (statfsbuf.f_type == 0x01021994) { /* TMPFS_SUPER_MAGIC */
+ return "cannot use tmpfs as cache partition";
+ } else if (statfsbuf.f_type != 0xEF53) {
+ return "must use ext2 or ext3 for cache partition";
}
+#endif
}
#endif
}
int
-SweepAFSCache(vFilesFound)
- int *vFilesFound;
+SweepAFSCache(int *vFilesFound)
{
static char rn[] = "SweepAFSCache"; /*Routine name */
int maxDir = (cacheFiles + nFilesPerDir - 1) / nFilesPerDir;
return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
}
-static
-ConfigCell(aci, arock, adir)
- register struct afsconf_cell *aci;
- char *arock;
- struct afsconf_dir *adir;
+static int
+ConfigCell(struct afsconf_cell *aci, void *arock, struct afsconf_dir *adir)
{
- register int isHomeCell;
- register int i, code;
+ int isHomeCell;
+ int i, code;
afs_int32 cellFlags = 0;
afs_int32 hosts[MAXHOSTSPERCELL];
* for upwards compatibility */
/* configure one cell */
- code = call_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
+ code = afsd_call_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
aci->name, /* cell name */
cellFlags, /* is this the home cell? */
aci->linkedCell); /* Linked cell, if any */
return 0;
}
-static
-ConfigCellAlias(aca, arock, adir)
- register struct afsconf_cellalias *aca;
- char *arock;
- struct afsconf_dir *adir;
+static int
+ConfigCellAlias(struct afsconf_cellalias *aca,
+ void *arock, struct afsconf_dir *adir)
{
/* push the alias into the kernel */
- call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
+ afsd_call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
return 0;
}
-#ifdef AFS_AFSDB_ENV
-static
-AfsdbLookupHandler()
+static void
+AfsdbLookupHandler(void)
{
afs_int32 kernelMsg[64];
char acellName[128];
kernelMsg[1] = 0;
acellName[0] = '\0';
+#ifdef AFS_DARWIN_ENV
+ /* Fork the event handler also. */
+ code = fork();
+ if (code == 0) {
+ afsd_install_events();
+ return;
+ } else if (code != -1) {
+ event_pid = code;
+ }
+#endif
while (1) {
/* On some platforms you only get 4 args to an AFS call */
int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
code =
- call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
+ afsd_call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
if (code) { /* Something is wrong? */
sleep(1);
continue;
acellName[sizeof(acellName) - 1] = '\0';
}
}
+#ifdef AFS_DARWIN_ENV
+ kill(event_pid, SIGTERM);
+#endif
+}
+
+#ifdef AFS_DARWIN_ENV
+static void
+BkgHandler(void)
+{
+ afs_int32 code;
+ struct afs_uspc_param *uspc;
+ char srcName[256];
+ char dstName[256];
+
+ uspc = (struct afs_uspc_param *)malloc(sizeof(struct afs_uspc_param));
+ memset(uspc, 0, sizeof(struct afs_uspc_param));
+ memset(srcName, 0, sizeof(srcName));
+ memset(dstName, 0, sizeof(dstName));
+
+ /* brscount starts at 0 */
+ uspc->ts = -1;
+
+ while (1) {
+ pid_t child = 0;
+ int status;
+ char srcpath[BUFSIZ];
+ char dstpath[BUFSIZ];
+
+ /* pushing in a buffer this large */
+ uspc->bufSz = 256;
+
+ code = afsd_call_syscall(AFSOP_BKG_HANDLER, uspc, srcName, dstName);
+ if (code) { /* Something is wrong? */
+ if (code == -2) /* shutting down */
+ break;
+
+ sleep(1);
+ uspc->retval = -1;
+ continue;
+ }
+
+ switch (uspc->reqtype) {
+ case AFS_USPC_UMV:
+ snprintf(srcpath, BUFSIZ, "/afs/.:mount/%d:%d:%d:%d/%s",
+ uspc->req.umv.sCell, uspc->req.umv.sVolume,
+ uspc->req.umv.sVnode, uspc->req.umv.sUnique, srcName);
+ snprintf(dstpath, BUFSIZ, "/afs/.:mount/%d:%d:%d:%d/%s",
+ uspc->req.umv.dCell, uspc->req.umv.dVolume,
+ uspc->req.umv.dVnode, uspc->req.umv.dUnique, dstName);
+ if ((child = fork()) == 0) {
+ /* first child does cp; second, rm. mv would re-enter. */
+
+ switch (uspc->req.umv.idtype) {
+ case IDTYPE_UID:
+ if (setuid(uspc->req.umv.id) != 0) {
+ exit(-1);
+ }
+ break;
+ default:
+ exit(-1);
+ break; /* notreached */
+ }
+ execl("/bin/cp", "(afsd EXDEV helper)", "-PRp", "--", srcpath,
+ dstpath, (char *) NULL);
+ }
+ if (child == (pid_t) -1) {
+ uspc->retval = -1;
+ continue;
+ }
+
+ if (waitpid(child, &status, 0) == -1)
+ uspc->retval = EIO;
+ else if (WIFEXITED(status) != 0 && WEXITSTATUS(status) == 0) {
+ if ((child = fork()) == 0) {
+ switch (uspc->req.umv.idtype) {
+ case IDTYPE_UID:
+ if (setuid(uspc->req.umv.id) != 0) {
+ exit(-1);
+ }
+ break;
+ default:
+ exit(-1);
+ break; /* notreached */
+ }
+ execl("/bin/rm", "(afsd EXDEV helper)", "-rf", "--",
+ srcpath, (char *) NULL);
+ }
+ if (child == (pid_t) -1) {
+ uspc->retval = -1;
+ continue;
+ }
+ if (waitpid(child, &status, 0) == -1)
+ uspc->retval = EIO;
+ else if (WIFEXITED(status) != 0) {
+ /* rm exit status */
+ uspc->retval = WEXITSTATUS(status);
+ } else {
+ /* rm signal status */
+ uspc->retval = -(WTERMSIG(status));
+ }
+ } else {
+ /* error from cp: exit or signal status */
+ uspc->retval = (WIFEXITED(status) != 0) ?
+ WEXITSTATUS(status) : -(WTERMSIG(status));
+ }
+ memset(srcName, 0, sizeof(srcName));
+ memset(dstName, 0, sizeof(dstName));
+ break;
- exit(1);
+ default:
+ /* unknown req type */
+ uspc->retval = -1;
+ break;
+ }
+ }
}
#endif
-#ifdef mac2
-#include <sys/ioctl.h>
-#endif /* mac2 */
-
-#ifdef AFS_SGI65_ENV
-#define SET_RTPRI(P) { \
- struct sched_param sp; \
- sp.sched_priority = P; \
- if (sched_setscheduler(0, SCHED_RR, &sp)<0) { \
- perror("sched_setscheduler"); \
- } \
+static void *
+afsdb_thread(void *rock)
+{
+ /* Since the AFSDB lookup handler runs as a user process,
+ * need to drop the controlling TTY, etc.
+ */
+ if (afsd_daemon(0, 0) == -1) {
+ printf("Error starting AFSDB lookup handler: %s\n",
+ strerror(errno));
+ exit(1);
+ }
+ AfsdbLookupHandler();
+ return NULL;
}
-#define SET_AFSD_RTPRI() SET_RTPRI(68)
-#define SET_RX_RTPRI() SET_RTPRI(199)
-#else
-#ifdef AFS_LINUX20_ENV
-#define SET_AFSD_RTPRI()
-#define SET_RX_RTPRI() do { if (setpriority(PRIO_PROCESS, 0, -10)<0) \
- perror("setting rx priority"); \
- } while (0)
+
+static void *
+daemon_thread(void *rock)
+{
+#ifdef AFS_DARWIN80_ENV
+ /* Since the background daemon runs as a user process,
+ * need to drop the controlling TTY, etc.
+ */
+ if (afsd_daemon(0, 0) == -1) {
+ printf("Error starting background daemon: %s\n",
+ strerror(errno));
+ exit(1);
+ }
+ BkgHandler();
+#elif defined(AFS_AIX32_ENV)
+ afsd_call_syscall(AFSOP_START_BKG, 0);
#else
-#define SET_AFSD_RTPRI()
-#define SET_RX_RTPRI()
-#endif
+ afsd_call_syscall(AFSOP_START_BKG);
#endif
+ return NULL;
+}
-mainproc(as, arock)
- register struct cmd_syndesc *as;
- char *arock;
+#ifndef UKERNEL
+static void *
+rmtsysd_thread(void *rock)
{
- static char rn[] = "afsd"; /*Name of this routine */
- register afs_int32 code; /*Result of fork() */
- register int i;
- int currVFile; /*Current AFS cache file number passed in */
- int mountFlags; /*Flags passed to mount() */
- int lookupResult; /*Result of GetLocalCellName() */
- int cacheIteration; /*How many times through cache verification */
- int vFilesFound; /*How many data cache files were found in sweep */
- struct afsconf_dir *cdir; /* config dir */
- FILE *logfd;
- char *fsTypeMsg = NULL;
+ rmtsysd();
+ return NULL;
+}
+#endif /* !UKERNEL */
+
+int
+mainproc(struct cmd_syndesc *as, void *arock)
+{
+ afs_int32 code; /*Result of fork() */
#ifdef AFS_SUN5_ENV
struct stat st;
#endif
- afs_int32 vfs1_type = -1;
#ifdef AFS_SGI65_ENV
struct sched_param sp;
#endif
if (as->parms[3].items) {
/* -stat */
cacheStatEntries = atoi(as->parms[3].items->data);
+ sawCacheStatEntries = 1;
}
if (as->parms[4].items) {
/* -memcache */
cacheBaseDir[0] = '\0';
sawCacheBaseDir = 1;
cacheFlags |= AFSCALL_INIT_MEMCACHE;
- if (chunkSize == 0)
- chunkSize = 13;
}
if (as->parms[5].items) {
/* -cachedir */
}
if (as->parms[6].items) {
/* -mountdir */
- strcpy(cacheMountDir, as->parms[6].items->data);
+ strcpy(afsd_cacheMountDir, as->parms[6].items->data);
sawCacheMountDir = 1;
}
if (as->parms[7].items) {
if (as->parms[10].items) {
/* -rmtsys */
afsd_rmtsys = 1;
+#ifdef UKERNEL
+ printf("-rmtsys not supported for UKERNEL\n");
+ return -1;
+#endif
}
if (as->parms[11].items) {
/* -debug */
/* -chunksize */
chunkSize = atoi(as->parms[12].items->data);
if (chunkSize < 0 || chunkSize > 30) {
- printf("afsd:invalid chunk size spec'd, using default\n");
+ printf
+ ("afsd:invalid chunk size (not in range 0-30), using default\n");
chunkSize = 0;
}
}
/* -prealloc */
preallocs = atoi(as->parms[16].items->data);
}
-#ifdef notdef
- if (as->parms[17].items) {
- /* -pininodes */
- inodes = atoi(as->parms[17].items->data);
- }
-#endif
strcpy(confDir, AFSDIR_CLIENT_ETC_DIRPATH);
if (as->parms[17].items) {
/* -confdir */
strcpy(confDir, as->parms[17].items->data);
}
sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
- sprintf(fullpn_AFSLogFile, "%s/%s", confDir, AFSLOGFILE);
if (as->parms[18].items) {
/* -logfile */
- strcpy(fullpn_AFSLogFile, as->parms[18].items->data);
+ printf("afsd: Ignoring obsolete -logfile flag\n");
}
if (as->parms[19].items) {
/* -waitclose */
* Cold shutdown is the default
*/
printf("afsd: Shutting down all afs processes and afs state\n");
- code = call_syscall(AFSOP_SHUTDOWN, 1);
+ code = afsd_call_syscall(AFSOP_SHUTDOWN, 1);
if (code) {
printf("afsd: AFS still mounted; Not shutting down\n");
exit(1);
}
if (as->parms[23].items) {
/* -mem_alloc_sleep */
- cacheFlags |= AFSCALL_INIT_MEMCACHE_SLEEP;
+ printf("afsd: -mem_alloc_sleep is deprecated -- ignored\n");
}
if (as->parms[24].items) {
/* -afsdb */
-#ifdef AFS_AFSDB_ENV
enable_afsdb = 1;
-#else
- printf("afsd: No AFSDB support; ignoring -afsdb");
-#endif
}
if (as->parms[25].items) {
/* -files_per_subdir */
int res = atoi(as->parms[25].items->data);
- if (res < 10 || res > 2 ^ 30) {
+ if (res < 10 || res > (1 << 30)) {
printf
("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
as->parms[25].items->data);
/* -backuptree */
enable_backuptree = 1;
}
+ if (as->parms[31].items) {
+ /* -rxbind */
+ enable_rxbind = 1;
+ }
+ if (as->parms[32].items) {
+ /* -settime */
+ cacheSetTime = TRUE;
+ }
+
+ /* set rx_extraPackets */
+ if (as->parms[33].items) {
+ /* -rxpck */
+ int rxpck = atoi(as->parms[33].items->data);
+ printf("afsd: set rxpck = %d\n", rxpck);
+ code = afsd_call_syscall(AFSOP_SET_RXPCK, rxpck);
+ if (code) {
+ printf("afsd: failed to set rxpck\n");
+ exit(1);
+ }
+ }
+ if (as->parms[34].items) {
+ char *c;
+ if (!as->parms[34].items->data ||
+ ((c = strchr(as->parms[34].items->data, '/')) == NULL))
+ printf
+ ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
+ else {
+ ropct = atoi((char *)c + 1);
+ *c = '\0';
+ rwpct = atoi((char *)as->parms[30].items->data);
+ if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
+ /* -splitcache */
+ enable_splitcache = 1;
+ }
+ }
+ }
+ if (as->parms[35].items) {
+#ifdef AFS_MAXVCOUNT_ENV
+ /* -disable-dynamic-vcaches */
+ afsd_dynamic_vcaches = FALSE;
+#else
+ printf("afsd: Error toggling flag, dynamically allocated vcaches not supported on your platform\n");
+ exit(1);
+#endif
+ }
+#ifdef AFS_MAXVCOUNT_ENV
+ else {
+ /* -dynamic-vcaches */
+ afsd_dynamic_vcaches = TRUE;
+ }
+
+ if (afsd_verbose)
+ printf("afsd: %s dynamically allocated vcaches\n", ( afsd_dynamic_vcaches ? "enabling" : "disabling" ));
+#endif
+
+ /* set -rxmaxmtu */
+ if (as->parms[36].items) {
+ /* -rxmaxmtu */
+ rxmaxmtu = atoi(as->parms[36].items->data);
+ }
+ return 0;
+}
+
+int
+afsd_run(void)
+{
+ static char rn[] = "afsd"; /*Name of this routine */
+ struct afsconf_dir *cdir; /* config dir */
+ int lookupResult; /*Result of GetLocalCellName() */
+ int i;
+ afs_int32 code; /*Result of fork() */
+ char *fsTypeMsg = NULL;
+ int cacheIteration; /*How many times through cache verification */
+ int vFilesFound; /*How many data cache files were found in sweep */
+ int currVFile; /*Current AFS cache file number passed in */
/*
* Pull out all the configuration info for the workstation's AFS cache and
exit(1);
}
- if ((logfd = fopen(fullpn_AFSLogFile, "r+")) == 0) {
- if (afsd_verbose)
- printf("%s: Creating '%s'\n", rn, fullpn_AFSLogFile);
- if (CreateCacheFile(fullpn_AFSLogFile, NULL)) {
- printf
- ("%s: Can't create '%s' (You may want to use the -logfile option)\n",
- rn, fullpn_AFSLogFile);
- exit(1);
- }
- } else
- fclose(logfd);
-
/* do some random computations in memcache case to get things to work
* reasonably no matter which parameters you set.
*/
/* memory cache: size described either as blocks or dcache entries, but
* not both.
*/
+ if (filesSet) {
+ fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
+ }
if (sawDCacheSize) {
+ if (chunkSize == 0) {
+ chunkSize = 13; /* 8k default chunksize for memcache */
+ }
if (sawCacheBlocks) {
printf
("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
exit(1);
}
/* compute the cache size based on # of chunks times the chunk size */
- i = (chunkSize == 0 ? 13 : chunkSize);
- i = (1 << i); /* bytes per chunk */
+ i = (1 << chunkSize); /* bytes per chunk */
cacheBlocks = i * dCacheSize;
sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
} else {
+ if (chunkSize == 0) {
+ /* Try to autotune the memcache chunksize based on size
+ * of memcache. This is done on the assumption that approx
+ * 1024 chunks is suitable, it's a balance between enough
+ * chunks to be useful and ramping up nicely when using larger
+ * memcache to improve bulk read/write performance
+ */
+ for (i = 14;
+ i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
+ chunkSize = i - 1;
+ }
/* compute the dcache size from overall cache size and chunk size */
- i = (chunkSize == 0 ? 13 : chunkSize);
- /* dCacheSize = (cacheBlocks << 10) / (1<<i); */
- if (i > 10) {
- dCacheSize = (cacheBlocks >> (i - 10));
- } else if (i < 10) {
- dCacheSize = (cacheBlocks << (10 - i));
+ if (chunkSize > 10) {
+ dCacheSize = (cacheBlocks >> (chunkSize - 10));
+ } else if (chunkSize < 10) {
+ dCacheSize = (cacheBlocks << (10 - chunkSize));
} else {
dCacheSize = cacheBlocks;
}
* by ParseCacheInfoFile.
*/
}
- /* kernel computes # of dcache entries as min of cacheFiles and dCacheSize,
- * so we now make them equal.
+ if (afsd_verbose)
+ printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
+
+ /* kernel computes # of dcache entries as min of cacheFiles and
+ * dCacheSize, so we now make them equal.
*/
cacheFiles = dCacheSize;
} else {
* but only if -files isn't given on the command line.
* Don't let # files be so small as to prevent full utilization
* of the cache unless user has explicitly asked for it.
- * average V-file is ~10K, according to tentative empirical studies.
*/
+ if (chunkSize == 0) {
+ /* Set chunksize to 256kB - 1MB depending on cache size */
+ if (cacheBlocks < 500000) {
+ chunkSize = 18;
+ } else if (cacheBlocks < 1000000) {
+ chunkSize = 19;
+ } else {
+ chunkSize = 20;
+ }
+ }
if (!filesSet) {
- cacheFiles = cacheBlocks / 10;
- if (cacheFiles < 100)
- cacheFiles = 100;
+ cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
+
+ cacheFiles = max(cacheFiles, 1000);
+
/* Always allow more files than chunks. Presume average V-file
* is ~67% of a chunk... (another guess, perhaps Honeyman will
* have a grad student write a paper). i is KILOBYTES.
*/
- i = 1 << (chunkSize ==
- 0 ? 6 : (chunkSize < 10 ? 0 : chunkSize - 10));
+ i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
+
/* never permit more files than blocks, while leaving space for
* VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
* CacheItems is 50 Bytes / file (== 1K/20)
*/
-#define VOLINFOSZ 20
#define CACHEITMSZ (cacheFiles / 20)
-#ifdef AFS_AIX_ENV
- cacheFiles =
- min(cacheFiles, (cacheBlocks - VOLINFOSZ - CACHEITMSZ) / 4);
-#else
- cacheFiles =
- min(cacheFiles, cacheBlocks - VOLINFOSZ - CACHEITMSZ);
-#endif
+#define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
+#define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
+#define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
+
+ /* Sanity check: If the obtained number of disk cache files
+ * is larger than the number of available (4k) disk blocks, we're
+ * doing something wrong. Fail hard so we can fix the bug instead
+ * of silently hiding it like before */
+
+ if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
+ fprintf(stderr,
+ "%s: ASSERT: cacheFiles %d diskblocks %d\n",
+ rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
+ exit(1);
+ }
if (cacheFiles < 100)
fprintf(stderr, "%s: WARNING: cache probably too small!\n",
rn);
+
+ if (afsd_verbose)
+ printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
}
+#if 0
+ /* This actually needs to
+ 1) use powers of 2
+ 2) not second-guess when a chunksize comes from the command line
+ 3) be less, um, small. 2^2??
+ */
+ /* Sanity check chunkSize */
+ i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
+ chunkSize = min(chunkSize, i);
+ chunkSize = max(chunkSize, 2);
+ if (afsd_verbose)
+ printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
+#endif
+
if (!sawDCacheSize) {
- if ((cacheFiles / 2) > dCacheSize)
- dCacheSize = cacheFiles / 2;
- if (dCacheSize > 2000)
+ dCacheSize = cacheFiles / 2;
+ if (dCacheSize > 10000) {
+ dCacheSize = 10000;
+ }
+ if (dCacheSize < 2000) {
dCacheSize = 2000;
+ }
+ if (afsd_verbose)
+ printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
}
}
+ if (!sawCacheStatEntries) {
+ if (chunkSize <= 13) {
+ cacheStatEntries = dCacheSize / 4;
+ } else if (chunkSize >= 16) {
+ cacheStatEntries = dCacheSize * 1.5;
+ } else {
+ cacheStatEntries = dCacheSize;
+ }
+ if (afsd_verbose)
+ printf("%s: cacheStatEntries autotuned to %d\n", rn,
+ cacheStatEntries);
+ }
+#if !defined(AFS_CACHE_VNODE_PATH) && !defined(LINUX_USE_FH)
/*
* Create and zero the inode table for the desired cache files.
*/
}
memset(inode_for_V, '\0', (cacheFiles * sizeof(AFSD_INO_T)));
if (afsd_debug)
- printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n", rn,
+ printf("%s: %d inode_for_V entries at 0x%x, %lu bytes\n", rn,
cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
+#endif
/*
* Set up all the pathnames we'll need for later.
sprintf(fullpn_VFile, "%s/", cacheBaseDir);
vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
- if ((fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)
+ && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
+#ifdef AFS_SUN5_ENV
printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
- }
-#if 0
- fputs(AFS_GOVERNMENT_MESSAGE, stdout);
- fflush(stdout);
+#else
+ printf("%s: ERROR: Cache dir check failed (%s)\n", rn, fsTypeMsg);
+ exit(1);
#endif
+ }
/*
* Set up all the kernel processes needed for AFS.
/* initialize the rx random number generator from user space */
{
/* parse multihomed address files */
- afs_int32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
+ afs_uint32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
mtubuf[MAXIPADDRS];
char reason[1024];
code =
parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
AFSDIR_CLIENT_NETINFO_FILEPATH,
AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
- if (code > 0)
- call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
- else
+ if (code > 0) {
+ if (enable_rxbind)
+ code = code | 0x80000000;
+ afsd_call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
+ } else
printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
reason);
}
/* Set realtime priority for most threads to same as for biod's. */
- SET_AFSD_RTPRI();
+ afsd_set_afsd_rtpri();
#ifdef AFS_SGI53_ENV
#ifdef AFS_SGI61_ENV
#else /* AFS_SGI61_ENV */
code = get_nfsstaticaddr();
if (code)
- call_syscall(AFSOP_NFSSTATICADDR, code);
+ afsd_call_syscall(AFSOP_NFSSTATICADDR, code);
#endif /* AFS_SGI61_ENV */
#endif /* AFS_SGI_53_ENV */
#ifdef RXK_LISTENER_ENV
if (afsd_verbose)
printf("%s: Forking rx listener daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- SET_RX_RTPRI(); /* max advised for non-interrupts */
- call_syscall(AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
- enable_process_stats);
- exit(1);
- }
+# ifdef AFS_SUN510_ENV
+ fork_rx_syscall_wait(rn, AFSOP_RXLISTENER_DAEMON, preallocs,
+ enable_peer_stats, enable_process_stats);
+# else /* !AFS_SUN510_ENV */
+ fork_rx_syscall(rn, AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
+ enable_process_stats);
+# endif /* !AFS_SUN510_ENV */
#endif
if (afsd_verbose)
printf("%s: Forking rx callback listener.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- call_syscall(AFSOP_START_RXCALLBACK, preallocs);
- exit(1);
- }
+ fork_syscall(rn, AFSOP_START_RXCALLBACK, preallocs);
#if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
if (afsd_verbose)
printf("%s: Forking rxevent daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- SET_RX_RTPRI(); /* max advised for non-interrupts */
- call_syscall(AFSOP_RXEVENT_DAEMON);
- exit(1);
- }
+ fork_rx_syscall(rn, AFSOP_RXEVENT_DAEMON);
#endif
-#ifdef AFS_AFSDB_ENV
if (enable_afsdb) {
if (afsd_verbose)
printf("%s: Forking AFSDB lookup handler.\n", rn);
- code = fork();
- if (code == 0) {
- AfsdbLookupHandler();
- exit(1);
- }
+ afsd_fork(0, afsdb_thread, NULL);
}
-#endif
- code = call_syscall(AFSOP_BASIC_INIT, 1);
- if (code)
+ code = afsd_call_syscall(AFSOP_BASIC_INIT, 1);
+ if (code) {
printf("%s: Error %d in basic initialization.\n", rn, code);
+ exit(1);
+ }
/*
* Tell the kernel some basic information about the workstation's cache.
cparams.chunkSize = chunkSize;
cparams.setTimeFlag = cacheSetTime;
cparams.memCacheFlag = cacheFlags;
-#ifdef notdef
- cparams.inodes = inodes;
-#endif
- call_syscall(AFSOP_CACHEINIT, &cparams);
+ cparams.dynamic_vcaches = afsd_dynamic_vcaches;
+ afsd_call_syscall(AFSOP_CACHEINIT, &cparams);
+
+ /* do it before we init the cache inodes */
+ if (enable_splitcache) {
+ afsd_call_syscall(AFSOP_BUCKETPCT, 1, rwpct);
+ afsd_call_syscall(AFSOP_BUCKETPCT, 2, ropct);
+ }
+
if (afsd_CloseSynch)
- call_syscall(AFSOP_CLOSEWAIT);
+ afsd_call_syscall(AFSOP_CLOSEWAIT);
/*
* Sweep the workstation AFS cache directory, remembering the inodes of
fullpn_DCacheFile);
/* once again, meaningless for a memory-based cache. */
if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
- call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
+ afsd_call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
/*
* Pass the kernel the name of the workstation cache file holding the
if (afsd_debug)
printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n", rn,
fullpn_CellInfoFile);
- call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
+ afsd_call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
+
+ if (rxmaxmtu) {
+ if (afsd_verbose)
+ printf("%s: Setting rxmaxmtu in kernel = %d\n", rn, rxmaxmtu);
+ code = afsd_call_syscall(AFSOP_SET_RXMAXMTU, rxmaxmtu);
+ if (code)
+ printf("%s: Error seting rxmaxmtu\n", rn);
+ }
if (enable_dynroot) {
if (afsd_verbose)
printf("%s: Enabling dynroot support in kernel.\n", rn);
- code = call_syscall(AFSOP_SET_DYNROOT, 1);
+ code = afsd_call_syscall(AFSOP_SET_DYNROOT, 1);
if (code)
printf("%s: Error enabling dynroot support.\n", rn);
}
if (enable_fakestat) {
if (afsd_verbose)
printf("%s: Enabling fakestat support in kernel.\n", rn);
- code = call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
+ code = afsd_call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
if (code)
printf("%s: Error enabling fakestat support.\n", rn);
}
if (enable_backuptree) {
if (afsd_verbose)
printf("%s: Enabling backup tree support in kernel.\n", rn);
- code = call_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
+ code = afsd_call_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
if (code)
printf("%s: Error enabling backup tree support.\n", rn);
}
/*
* Set the primary cell name.
*/
- call_syscall(AFSOP_SET_THISCELL, LclCellName);
+ afsd_call_syscall(AFSOP_SET_THISCELL, LclCellName);
/* Initialize AFS daemon threads. */
if (afsd_verbose)
printf("%s: Forking AFS daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- call_syscall(AFSOP_START_AFS);
- exit(1);
- }
+ fork_syscall(rn, AFSOP_START_AFS);
if (afsd_verbose)
printf("%s: Forking Check Server Daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- code = call_syscall(AFSOP_START_CS);
- if (code)
- printf("%s: No check server daemon in client.\n", rn);
- exit(1);
- }
+ fork_syscall(rn, AFSOP_START_CS);
if (afsd_verbose)
printf("%s: Forking %d background daemons.\n", rn, nDaemons);
nDaemons++;
#endif
for (i = 0; i < nDaemons; i++) {
- code = fork();
- if (code == 0) {
- /* Child */
-#ifdef AFS_AIX32_ENV
- call_syscall(AFSOP_START_BKG, 0);
-#else
- call_syscall(AFSOP_START_BKG);
-#endif
- exit(1);
- }
+ afsd_fork(0, daemon_thread, NULL);
}
#ifdef AFS_AIX32_ENV
if (!sawBiod)
if (nBiods < 5)
nBiods = 5;
for (i = 0; i < nBiods; i++) {
- code = fork();
- if (code == 0) { /* Child */
- call_syscall(AFSOP_START_BKG, nBiods);
- exit(1);
- }
+ fork_syscall(rn, AFSOP_START_BKG, nBiods);
}
#endif
if (afsd_verbose)
printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn,
rootVolume);
- call_syscall(AFSOP_ROOTVOLUME, rootVolume);
+ afsd_call_syscall(AFSOP_ROOTVOLUME, rootVolume);
}
/*
if (afsd_debug)
printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
fullpn_VolInfoFile);
- call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
-
- /*
- * Pass the kernel the name of the afs logging file holding the volume
- * information.
- */
- if (afsd_debug)
- printf("%s: Calling AFSOP_AFSLOG: volume info file is '%s'\n", rn,
- fullpn_AFSLogFile);
-#if defined(AFS_SGI_ENV)
- /* permit explicit -logfile argument to enable logging on memcache systems */
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE) || as->parms[18].items)
-#else
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... nor this ... */
-#endif
- call_syscall(AFSOP_AFSLOG, fullpn_AFSLogFile);
+ /* once again, meaningless for a memory-based cache. */
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
+ afsd_call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
/*
* Give the kernel the names of the AFS files cached on the workstation's
*/
if (afsd_debug)
printf
- ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
+ ("%s: Calling AFSOP_CACHEFILE for each of the %d files in '%s'\n",
rn, cacheFiles, cacheBaseDir);
- if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... and again ... */
+ if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
+ /* ... and again ... */
+ int nocachefile = 0;
for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
+ if (!nocachefile) {
+ sprintf(fullpn_VFile, "%s/D%d/V%d", cacheBaseDir, dir_for_V[currVFile], currVFile);
+ code = afsd_call_syscall(AFSOP_CACHEFILE, fullpn_VFile);
+ if (code) {
+ if (currVFile == 0) {
+ if (afsd_debug)
+ printf
+ ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
+ rn, cacheFiles, cacheBaseDir);
+ nocachefile = 1;
+ } else {
+ printf
+ ("%s: Error calling AFSOP_CACHEFILE for '%s'\n",
+ rn, fullpn_VFile);
+ exit(1);
+ }
+ } else {
+ continue;
+ }
+ /* fall through to setup-by-inode */
+ }
#ifdef AFS_SGI62_ENV
- call_syscall(AFSOP_CACHEINODE,
+ afsd_call_syscall(AFSOP_CACHEINODE,
(afs_uint32) (inode_for_V[currVFile] >> 32),
(afs_uint32) (inode_for_V[currVFile] & 0xffffffff));
+#elif !(defined(LINUX_USE_FH) || defined(AFS_CACHE_VNODE_PATH))
+ afsd_call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
#else
- call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
+ printf
+ ("%s: Error calling AFSOP_CACHEINODE: not configured\n",
+ rn);
+ exit(1);
#endif
}
-
-
+ }
/*end for */
/*
* All the necessary info has been passed into the kernel to run an AFS
if (afsd_debug)
printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n", rn,
cacheSetTime);
- call_syscall(AFSOP_GO, cacheSetTime);
+ afsd_call_syscall(AFSOP_GO, cacheSetTime);
/*
* At this point, we have finished passing the kernel all the info
if (afsd_verbose)
printf("%s: Forking trunc-cache daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- call_syscall(AFSOP_START_TRUNCDAEMON);
- exit(1);
- }
+ fork_syscall(rn, AFSOP_START_TRUNCDAEMON);
if (!enable_nomount) {
-
- mountFlags = 0; /* Read/write file system, can do setuid() */
-#if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
-#ifdef AFS_SUN5_ENV
- mountFlags |= MS_DATA;
-#else
- mountFlags |= M_NEWTYPE; /* This searches by name in vfs_conf.c so don't need to recompile vfs.c because MOUNT_MAXTYPE has changed; it seems that Sun fixed this at last... */
-#endif
-#endif
-
-#if defined(AFS_HPUX100_ENV)
- mountFlags |= MS_DATA;
-#endif
-
- if (afsd_verbose)
- printf("%s: Mounting the AFS root on '%s', flags: %d.\n", rn,
- cacheMountDir, mountFlags);
-#ifdef AFS_DEC_ENV
- if ((mount("AFS", cacheMountDir, mountFlags, GT_AFS, (caddr_t) 0)) <
- 0) {
-#else
-#ifdef AFS_FBSD_ENV
- if ((mount("AFS", cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
-#else
-#ifdef AFS_AUX_ENV
- if ((fsmount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
-#else
-#ifdef AFS_AIX_ENV
- if (aix_vmount()) {
-#else
-#if defined(AFS_HPUX100_ENV)
- if ((mount("", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
-#else
-#ifdef AFS_HPUX_ENV
-#if defined(AFS_HPUX90_ENV)
- {
- char buffer[80];
- int code;
-
- strcpy(buffer, "afs");
- code = vfsmount(-1, cacheMountDir, mountFlags, (caddr_t) buffer);
- sscanf(buffer, "%d", &vfs1_type);
- if (code < 0) {
- printf
- ("Can't find 'afs' type in the registered filesystem table!\n");
- exit(1);
- }
- sscanf(buffer, "%d", &vfs1_type);
- if (afsd_verbose)
- printf("AFS vfs slot number is %d\n", vfs1_type);
- }
- if ((vfsmount(vfs1_type, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
-#else
- if (call_syscall
- (AFSOP_AFS_VFSMOUNT, MOUNT_AFS, cacheMountDir, mountFlags,
- (caddr_t) NULL) < 0) {
-#endif
-#else
-#ifdef AFS_SUN5_ENV
- if ((mount("AFS", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
-#else
-#if defined(AFS_SGI_ENV)
- mountFlags = MS_FSS;
- if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) MOUNT_AFS))
- < 0) {
-#else
-#ifdef AFS_LINUX20_ENV
- if ((mount("AFS", cacheMountDir, MOUNT_AFS, 0, NULL)) < 0) {
-#else
-/* This is the standard mount used by the suns and rts */
- if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
-#endif /* AFS_LINUX20_ENV */
-#endif /* AFS_SGI_ENV */
-#endif /* AFS_SUN5_ENV */
-#endif /* AFS_HPUX100_ENV */
-#endif /* AFS_HPUX_ENV */
-#endif /* AFS_AIX_ENV */
-#endif /* AFS_AUX_ENV */
-#endif /* AFS_FBSD_ENV */
-#endif /* AFS_DEC_ENV */
- printf("%s: Can't mount AFS on %s(%d)\n", rn, cacheMountDir,
- errno);
- exit(1);
- }
-
- HandleMTab();
-
+ afsd_mount_afs(rn, afsd_cacheMountDir);
}
+#ifndef UKERNEL
if (afsd_rmtsys) {
if (afsd_verbose)
printf("%s: Forking 'rmtsys' daemon.\n", rn);
- code = fork();
- if (code == 0) {
- /* Child */
- rmtsysd();
- exit(1);
- }
+ afsd_fork(0, rmtsysd_thread, NULL);
}
+#endif /* !UKERNEL */
/*
* Exit successfully.
*/
- exit(0);
+ return 0;
}
#include "AFS_component_version_number.c"
-
-
-main(argc, argv)
- int argc;
- char **argv;
+void
+afsd_init(void)
{
- register struct cmd_syndesc *ts;
+ struct cmd_syndesc *ts;
ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
+
+ /* 0 - 10 */
cmd_AddParm(ts, "-blocks", CMD_SINGLE, CMD_OPTIONAL,
"1024 byte blocks in cache");
cmd_AddParm(ts, "-files", CMD_SINGLE, CMD_OPTIONAL, "files in cache");
"display lots of information");
cmd_AddParm(ts, "-rmtsys", CMD_FLAG, CMD_OPTIONAL,
"start NFS rmtsysd program");
+
+ /* 11 - 20 */
cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL, "display debug info");
cmd_AddParm(ts, "-chunksize", CMD_SINGLE, CMD_OPTIONAL,
"log(2) of chunk size");
"number of volume entries");
cmd_AddParm(ts, "-biods", CMD_SINGLE, CMD_OPTIONAL,
"number of bkg I/O daemons (aix vm)");
-
cmd_AddParm(ts, "-prealloc", CMD_SINGLE, CMD_OPTIONAL,
"number of 'small' preallocated blocks");
-#ifdef notdef
- cmd_AddParm(ts, "-pininodes", CMD_SINGLE, CMD_OPTIONAL,
- "number of inodes to hog");
-#endif
cmd_AddParm(ts, "-confdir", CMD_SINGLE, CMD_OPTIONAL,
"configuration directory");
cmd_AddParm(ts, "-logfile", CMD_SINGLE, CMD_OPTIONAL,
"make close calls synchronous");
cmd_AddParm(ts, "-shutdown", CMD_FLAG, CMD_OPTIONAL,
"Shutdown all afs state");
+ /* 21 - 30 */
cmd_AddParm(ts, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
"Collect rpc statistics by peer");
cmd_AddParm(ts, "-enable_process_stats", CMD_FLAG,
"Collect rpc statistics for this process");
cmd_AddParm(ts, "-mem_alloc_sleep", CMD_FLAG, (CMD_OPTIONAL | CMD_HIDE),
"Allow sleeps when allocating memory cache");
- cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL
-#ifndef AFS_AFSDB_ENV
- | CMD_HIDE
-#endif
- ), "Enable AFSDB support");
+ cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL),
+ "Enable AFSDB support");
cmd_AddParm(ts, "-files_per_subdir", CMD_SINGLE, CMD_OPTIONAL,
"log(2) of the number of cache files per cache subdirectory");
cmd_AddParm(ts, "-dynroot", CMD_FLAG, CMD_OPTIONAL,
cmd_AddParm(ts, "-nomount", CMD_FLAG, CMD_OPTIONAL, "Do not mount AFS");
cmd_AddParm(ts, "-backuptree", CMD_FLAG, CMD_OPTIONAL,
"Prefer backup volumes for mointpoints in backup volumes");
- return (cmd_Dispatch(argc, argv));
-}
-
-
-#ifdef AFS_HPUX_ENV
-#define MOUNTED_TABLE MNT_MNTTAB
-#else
-#ifdef AFS_SUN5_ENV
-#define MOUNTED_TABLE MNTTAB
-#else
-#define MOUNTED_TABLE MOUNTED
-#endif
-#endif
-
-static int
-HandleMTab()
-{
-#if (defined (AFS_SUN_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)) && !defined(AFS_SUN58_ENV)
- FILE *tfilep;
-#ifdef AFS_SUN5_ENV
- char tbuf[16];
- struct mnttab tmntent;
-
- memset(&tmntent, '\0', sizeof(struct mnttab));
- if (!(tfilep = fopen(MOUNTED_TABLE, "a+"))) {
- printf("Can't open %s\n", MOUNTED_TABLE);
- perror(MNTTAB);
- exit(-1);
- }
- tmntent.mnt_special = "AFS";
- tmntent.mnt_mountp = cacheMountDir;
- tmntent.mnt_fstype = "xx";
- tmntent.mnt_mntopts = "rw";
- sprintf(tbuf, "%ld", (long)time((time_t *) 0));
- tmntent.mnt_time = tbuf;
- putmntent(tfilep, &tmntent);
- fclose(tfilep);
-#else
-#if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
- struct mntent tmntent;
-
- tfilep = setmntent("/etc/mtab", "a+");
- tmntent.mnt_fsname = "AFS";
- tmntent.mnt_dir = cacheMountDir;
- tmntent.mnt_type = "afs";
- tmntent.mnt_opts = "rw";
- tmntent.mnt_freq = 1;
- tmntent.mnt_passno = 3;
- addmntent(tfilep, &tmntent);
- endmntent(tfilep);
-#else
- struct mntent tmntent;
-
- memset(&tmntent, '\0', sizeof(struct mntent));
- tfilep = setmntent(MOUNTED_TABLE, "a+");
- if (!tfilep) {
- printf("Can't open %s for write; Not adding afs entry to it\n",
- MOUNTED_TABLE);
- return 1;
- }
- tmntent.mnt_fsname = "AFS";
- tmntent.mnt_dir = cacheMountDir;
- tmntent.mnt_type = "xx";
- tmntent.mnt_opts = "rw";
- tmntent.mnt_freq = 1;
- tmntent.mnt_passno = 3;
-#ifdef AFS_HPUX_ENV
- tmntent.mnt_type = "afs";
- tmntent.mnt_time = time(0);
- tmntent.mnt_cnode = 0;
-#endif
- addmntent(tfilep, &tmntent);
- endmntent(tfilep);
-#endif /* AFS_SGI_ENV */
-#endif /* AFS_SUN5_ENV */
-#endif /* unreasonable systems */
-#ifdef AFS_DARWIN_ENV
- mach_port_t diskarb_port;
- kern_return_t status;
-
- status = DiskArbStart(&diskarb_port);
- if (status == KERN_SUCCESS) {
- status =
- DiskArbDiskAppearedWithMountpointPing_auto("AFS",
- DISK_ARB_NETWORK_DISK_FLAG,
- cacheMountDir);
- }
-
- return status;
-#endif /* AFS_DARWIN_ENV */
- return 0;
-}
-
-#if !defined(AFS_SGI_ENV) && !defined(AFS_AIX32_ENV)
-
-call_syscall(param1, param2, param3, param4, param5, param6, param7)
- long param1, param2, param3, param4, param5, param6, param7;
-{
- int error;
-#ifdef AFS_LINUX20_ENV
- long eparm[4];
- struct afsprocdata syscall_data;
- int fd = open(PROC_SYSCALL_FNAME,O_RDWR);
-
- eparm[0] = param4;
- eparm[1] = param5;
- eparm[2] = param6;
- eparm[3] = param7;
-
- param4 = (long)eparm;
-
- syscall_data.syscall = AFSCALL_CALL;
- syscall_data.param1 = param1;
- syscall_data.param2 = param2;
- syscall_data.param3 = param3;
- syscall_data.param4 = param4;
- if(fd > 0) {
- error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
- close(fd);
- }
- else
-#endif
- error =
- syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4,
- param5, param6, param7);
-
- if (afsd_verbose)
- printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1,
- error);
- return (error);
-}
-#else /* AFS_AIX32_ENV */
-#if defined(AFS_SGI_ENV)
-call_syscall(call, parm0, parm1, parm2, parm3, parm4)
-{
-
- int error;
-
- error = afs_syscall(call, parm0, parm1, parm2, parm3, parm4);
- if (afsd_verbose)
- printf("SScall(%d, %d)=%d ", call, parm0, error);
-
- return error;
-}
-#else
-call_syscall(call, parm0, parm1, parm2, parm3, parm4, parm5, parm6)
-{
-
- return syscall(AFSCALL_CALL, call, parm0, parm1, parm2, parm3, parm4,
- parm5, parm6);
-}
-#endif /* AFS_SGI_ENV */
-#endif /* AFS_AIX32_ENV */
-
-
-#ifdef AFS_AIX_ENV
-/* Special handling for AIX's afs mount operation since they require much more miscl. information before making the vmount(2) syscall */
-#include <sys/vfs.h>
-
-#define ROUNDUP(x) (((x) + 3) & ~3)
-
-aix_vmount()
-{
- struct vmount *vmountp;
- int size, error;
-
- size = sizeof(struct vmount) + ROUNDUP(strlen(cacheMountDir) + 1) + 5 * 4;
- /* Malloc the vmount structure */
- if ((vmountp = (struct vmount *)malloc(size)) == (struct vmount *)NULL) {
- printf("Can't allocate space for the vmount structure (AIX)\n");
- exit(1);
- }
-
- /* zero out the vmount structure */
- memset(vmountp, '\0', size);
-
- /* transfer info into the vmount structure */
- vmountp->vmt_revision = VMT_REVISION;
- vmountp->vmt_length = size;
- vmountp->vmt_fsid.fsid_dev = 0;
- vmountp->vmt_fsid.fsid_type = AFS_MOUNT_AFS;
- vmountp->vmt_vfsnumber = 0;
- vmountp->vmt_time = 0; /* We'll put the time soon! */
- vmountp->vmt_flags = VFS_DEVMOUNT; /* read/write permission */
- vmountp->vmt_gfstype = AFS_MOUNT_AFS;
- vmountdata(vmountp, "AFS", cacheMountDir, "", "", "", "rw");
-
- /* Do the actual mount system call */
- error = vmount(vmountp, size);
- free(vmountp);
- return (error);
+ /* 31 - 40 */
+ cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
+ "Bind the Rx socket (one interface only)");
+ cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL, "set the time");
+ cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
+ "set rx_extraPackets to this value");
+ cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL,
+ "Percentage RW versus RO in cache (specify as 60/40)");
+ cmd_AddParm(ts, "-disable-dynamic-vcaches", CMD_FLAG, CMD_OPTIONAL,
+ "disable stat/vcache cache growing as needed");
+ cmd_AddParm(ts, "-rxmaxmtu", CMD_SINGLE, CMD_OPTIONAL, "set rx max MTU to use");
}
-vmountdata(vmtp, obj, stub, host, hostsname, info, args)
- struct vmount *vmtp;
- char *obj, *stub, *host, *hostsname, *info, *args;
+int
+afsd_parse(int argc, char **argv)
{
- register struct data {
- short vmt_off;
- short vmt_size;
- } *vdp, *vdprev;
- register int size;
-
- vdp = (struct data *)vmtp->vmt_data;
- vdp->vmt_off = sizeof(struct vmount);
- size = ROUNDUP(strlen(obj) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_OBJECT), obj);
-
- vdprev = vdp;
- vdp++;
- vdp->vmt_off = vdprev->vmt_off + size;
- size = ROUNDUP(strlen(stub) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_STUB), stub);
-
- vdprev = vdp;
- vdp++;
- vdp->vmt_off = vdprev->vmt_off + size;
- size = ROUNDUP(strlen(host) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_HOST), host);
-
- vdprev = vdp;
- vdp++;
- vdp->vmt_off = vdprev->vmt_off + size;
- size = ROUNDUP(strlen(hostsname) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_HOSTNAME), hostsname);
-
-
- vdprev = vdp;
- vdp++;
- vdp->vmt_off = vdprev->vmt_off + size;
- size = ROUNDUP(strlen(info) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_INFO), info);
-
- vdprev = vdp;
- vdp++;
- vdp->vmt_off = vdprev->vmt_off + size;
- size = ROUNDUP(strlen(args) + 1);
- vdp->vmt_size = size;
- strcpy(vmt2dataptr(vmtp, VMT_ARGS), args);
+ return cmd_Dispatch(argc, argv);
}
-#endif /* AFS_AIX_ENV */
#ifdef AFS_SGI53_ENV
#ifdef AFS_SGI61_ENV
findDwarfStaticAddresses(fileList, AFS_N_FILELISTS);
if (fileList[0].addrList[0].found) {
- call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
+ afsd_call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
fileList[0].addrList[0].addr.low);
} else {
if (afsd_verbose)
free(fileList[0].addrList);
#if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
if (fileList[1].addrList[0].found && fileList[1].addrList[1].found) {
- call_syscall(AFSOP_SBLOCKSTATICADDR2,
+ afsd_call_syscall(AFSOP_SBLOCKSTATICADDR2,
fileList[1].addrList[0].addr.high,
fileList[1].addrList[0].addr.low,
fileList[1].addrList[1].addr.high,
}
#endif /* AFS_SGI61_ENV */
#endif /* AFS_SGI53_ENV */
+
+struct afsd_syscall_args {
+ long syscall;
+ long param1;
+ long param2;
+ long param3;
+ long param4;
+ long param5;
+ const char *rn;
+ int rxpri;
+};
+
+/**
+ * entry point for calling a syscall from another proc/thread.
+ *
+ * @param[in] rock a struct afsd_syscall_args* specifying what syscall to call
+ *
+ * @return unused
+ * @retval NULL always
+ */
+static void *
+call_syscall_thread(void *rock)
+{
+ struct afsd_syscall_args *args = rock;
+ int code;
+
+ if (args->rxpri) {
+ afsd_set_rx_rtpri();
+ }
+
+ code = afsd_call_syscall(args->syscall, args->param1, args->param2,
+ args->param3, args->param4, args->param5);
+ if (code && args->syscall == AFSOP_START_CS) {
+ printf("%s: No check server daemon in client.\n", args->rn);
+ }
+
+ free(args);
+
+ return NULL;
+}
+
+/**
+ * common code for calling a syscall in another proc/thread.
+ *
+ * @param[in] rx 1 if this is a thread for RX stuff, 0 otherwise
+ * @param[in] wait 1 if we should wait for the new proc/thread to finish, 0 to
+ * let it run in the background
+ * @param[in] rn the name of the running program
+ * @param[in] syscall syscall to run
+ */
+static void
+fork_syscall_impl(int rx, int wait, const char *rn, long syscall, long param1,
+ long param2, long param3, long param4, long param5)
+{
+ struct afsd_syscall_args *args;
+
+ args = malloc(sizeof(*args));
+
+ args->syscall = syscall;
+ args->param1 = param1;
+ args->param2 = param2;
+ args->param3 = param3;
+ args->param4 = param4;
+ args->param5 = param5;
+ args->rxpri = rx;
+ args->rn = rn;
+
+ afsd_fork(wait, call_syscall_thread, args);
+}
+
+/**
+ * call a syscall in another process or thread.
+ */
+static void
+fork_syscall(const char *rn, long syscall, long param1, long param2,
+ long param3, long param4, long param5)
+{
+ fork_syscall_impl(0, 0, rn, syscall, param1, param2, param3, param4, param5);
+}
+
+#if defined(AFS_SUN510_ENV) || defined(RXK_LISTENER_ENV)
+/**
+ * call a syscall in another process or thread, and give it RX priority.
+ */
+static void
+fork_rx_syscall(const char *rn, long syscall, long param1, long param2,
+ long param3, long param4, long param5)
+{
+ fork_syscall_impl(1, 0, rn, syscall, param1, param2, param3, param4, param5);
+}
+#endif /* AFS_SUN510_ENV || RXK_LISTENER_ENV */
+
+#if defined(AFS_SUN510_ENV) && defined(RXK_LISTENER_ENV)
+/**
+ * call a syscall in another process or thread, give it RX priority, and wait
+ * for it to finish before returning.
+ */
+static void
+fork_rx_syscall_wait(const char *rn, long syscall, long param1, long param2,
+ long param3, long param4, long param5)
+{
+ fork_syscall_impl(1, 1, rn, syscall, param1, param2, param3, param4, param5);
+}
+#endif /* AFS_SUN510_ENV && RXK_LISTENER_ENV */
git://git.openafs.org / openafs.git / blobdiff