/* * Copyright 2000, International Business Machines Corporation and others. * All Rights Reserved. * * This software has been released under the terms of the IBM Public * License. For details, see the LICENSE file in the top-level source * directory or online at http://www.openafs.org/dl/license10.html * * Portions Copyright (c) 2006 Sine Nomine Associates */ /* viced.c - File Server main loop */ /* */ /* Date: 5/1/85 */ /* */ /* Function - This routine has the initialization code for */ /* FileServer II */ /* */ /* ********************************************************************** */ #include #include #include #include #include #ifdef AFS_NT40_ENV # include # include #endif #ifdef HAVE_SYS_FILE_H # include #endif #ifdef HAVE_SYS_RESOURCE_H # include #endif #undef SHARED #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "viced_prototypes.h" #include "viced.h" #include "host.h" #if defined(AFS_SGI_ENV) # include "sys/schedctl.h" # include "sys/lock.h" #endif #include extern int etext; static void ClearXStatValues(void); static void PrintCounters(void); static afs_int32 Do_VLRegisterRPC(void); int eventlog = 0, rxlog = 0; FILE *debugFile; static struct logOptions logopts; pthread_mutex_t fsync_glock_mutex; pthread_cond_t fsync_cond; #ifdef AFS_NT40_ENV # define NT_OPEN_MAX 1024 /* This is an arbitrary no. we came up with for * now. We hope this will be replaced by a more * intelligent estimate later. */ #endif int SystemId; /* ViceID of "Administrators" */ int SystemAnyUser; /* Viceid of "System:AnyUser" */ prlist SystemAnyUserCPS; /* CPS for "system:AnyUser */ int AnonymousID = 0; /* ViceId of "Anonymous" */ prlist AnonCPS; /* CPS for "Anonymous" */ struct afsconf_dir *confDir; /* Configuration dir object */ int restartMode = RESTART_ORDINARY; /* * Home for the performance statistics. */ struct afs_PerfStats afs_perfstats; extern int Statistics; int busyonrst = 1; int timeout = 30; int printBanner = 0; int rxJumbograms = 0; /* default is to not send and receive jumbograms. */ int rxBind = 0; /* don't bind */ int rxkadDisableDotCheck = 0; /* disable check for dot in principal name */ int rxMaxMTU = -1; afs_int32 implicitAdminRights = PRSFS_LOOKUP; /* The ADMINISTER right is * already implied */ afs_int32 readonlyServer = 0; afs_int32 adminwriteServer = 0; int stackSize = 24000; int fiveminutes = 300; /* 5 minutes. Change this for debugging only */ int CurrentConnections = 0; int hostaclRefresh = 7200; /* refresh host clients' acls every 2 hrs */ #if defined(AFS_SGI_ENV) int SawLock; #endif time_t StartTime; /** * seconds to wait until forcing a panic during ShutDownAndCore(PANIC) * in case we get stuck. */ #ifdef AFS_DEMAND_ATTACH_FS static int panic_timeout = 2 * 60; #else static int panic_timeout = 30 * 60; #endif static int host_thread_quota; int rxpackets = 150; /* 100 */ int nSmallVns = 400; /* 200 */ int large = 400; /* 200 */ int volcache = 400; /* 400 */ int numberofcbs = 60000; /* 60000 */ int lwps = 9; /* 6 */ int buffs = 90; /* 70 */ int novbc = 0; /* Enable Volume Break calls */ int busy_threshold = 600; int abort_threshold = 10; int udpBufSize = 0; /* UDP buffer size for receive */ int sendBufSize = 16384; /* send buffer size */ int saneacls = 0; /* Sane ACLs Flag */ static int unsafe_attach = 0; /* avoid inUse check on vol attach? */ static int offline_timeout = -1; /* -offline-timeout option */ static int offline_shutdown_timeout = -1; /* -offline-shutdown-timeout option */ struct timeval tp; pthread_key_t viced_uclient_key; /* * FileServer's name and IP address, both network byte order and * host byte order. */ #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */ char FS_HostName[128] = "localhost"; char *FS_configPath = NULL; afs_uint32 FS_HostAddr_NBO; afs_uint32 FS_HostAddr_HBO; afs_uint32 FS_HostAddrs[ADDRSPERSITE], FS_HostAddr_cnt = 0, FS_registered = 0; /* All addresses in FS_HostAddrs are in NBO */ afsUUID FS_HostUUID; #ifdef AFS_DEMAND_ATTACH_FS /* * demand attach fs * fileserver mode support * * during fileserver shutdown, we have to track the graceful shutdown of * certain background threads before we are allowed to dump state to * disk */ # if !defined(PTHREAD_RWLOCK_INITIALIZER) && defined(AFS_DARWIN80_ENV) # define PTHREAD_RWLOCK_INITIALIZER {0x2DA8B3B4, {0}} # endif # ifndef AFS_NT40_ENV struct fs_state fs_state = { FS_MODE_NORMAL, 0, 0, 0, 0, { 1,1,1,1 }, PTHREAD_COND_INITIALIZER, PTHREAD_RWLOCK_INITIALIZER }; # else /* AFS_NT40_ENV */ struct fs_state fs_state; static int fs_stateInit(void) { fs_state.mode = FS_MODE_NORMAL; fs_state.FiveMinuteLWP_tranquil = 0; fs_state.HostCheckLWP_tranquil = 0; fs_state.FsyncCheckLWP_tranquil = 0; fs_state.salvsync_fatal_error = 0; fs_state.options.fs_state_save = 1; fs_state.options.fs_state_restore = 1; fs_state.options.fs_state_verify_before_save = 1; fs_state.options.fs_state_verify_after_restore = 1; opr_cv_init(&fs_state.worker_done_cv, "worker done"); opr_Verify(pthread_rwlock_init(&fs_state.state_lock, NULL) == 0); } # endif /* AFS_NT40_ENV */ #endif /* AFS_DEMAND_ATTACH_FS */ /* * Home for the performance statistics. */ /* DEBUG HACK */ #ifndef AFS_NT40_ENV void CheckDescriptors_Signal(int signo) { struct afs_stat status; int tsize = getdtablesize(); int i; for (i = 0; i < tsize; i++) { if (afs_fstat(i, &status) != -1) { printf("%d: dev %x, inode %u, length %u, type/mode %x\n", i, (unsigned int) status.st_dev, (unsigned int) status.st_ino, (unsigned int) status.st_size, status.st_mode); } } fflush(stdout); } #endif /* Signal number for dumping debug info is platform dependent. */ #if defined(AFS_HPUX_ENV) # define AFS_SIG_CHECK SIGPOLL #elif defined(AFS_NT40_ENV) # define AFS_SIG_CHECK SIGUSR2 #else # define AFS_SIG_CHECK SIGXCPU #endif void CheckSignal_Signal(int x) { if (FS_registered > 0) { /* * We have proper ip addresses; tell the vlserver what we got; the following * routine will do the proper reporting for us */ Do_VLRegisterRPC(); } h_DumpHosts(); h_PrintClients(); DumpCallBackState(); PrintCounters(); } void ShutDown_Signal(int x) { ShutDownAndCore(DONTPANIC); } /* check whether caller is authorized to perform admin operations */ int viced_SuperUser(struct rx_call *call) { return afsconf_SuperUser(confDir, call, NULL); } /** * Return true if this name is a member of the local realm. */ int fs_IsLocalRealmMatch(void *rock, char *name, char *inst, char *cell) { struct afsconf_dir *dir = (struct afsconf_dir *)rock; afs_int32 islocal = 0; /* default to no */ int code; code = afsconf_IsLocalRealmMatch(dir, &islocal, name, inst, cell); if (code) { ViceLog(0, ("Failed local realm check; code=%d, name=%s, inst=%s, cell=%s\n", code, name, inst, cell)); } return islocal; } #if defined(AFS_NT40_ENV) /* no viced_syscall */ #elif defined(AFS_DARWIN160_ENV) /* no viced_syscall */ #elif !defined(AFS_SYSCALL) int viced_syscall(afs_uint32 a3, afs_uint32 a4, void *a5) { errno = ENOSYS; return -1; } #else int viced_syscall(afs_uint32 a3, afs_uint32 a4, void *a5) { afs_uint32 rcode; # ifndef AFS_LINUX20_ENV void (*old) (int); old = (void (*)(int))signal(SIGSYS, SIG_IGN); # endif rcode = syscall(AFS_SYSCALL, 28 /* AFSCALL_CALL */ , a3, a4, a5); # ifndef AFS_LINUX20_ENV signal(SIGSYS, old); # endif return rcode; } #endif #if !defined(AFS_NT40_ENV) # include "AFS_component_version_number.c" #endif /* !AFS_NT40_ENV */ #define MAXADMINNAME 64 char adminName[MAXADMINNAME]; static void CheckAdminName(void) { int fd = -1; struct afs_stat status; if ((afs_stat("/AdminName", &status)) || /* if file does not exist */ (status.st_size <= 0) || /* or it is too short */ (status.st_size >= (MAXADMINNAME)) || /* or it is too long */ (fd = afs_open("/AdminName", O_RDONLY, 0)) < 0 || /* or open fails */ read(fd, adminName, status.st_size) != status.st_size) { /* or read */ strcpy(adminName, "System:Administrators"); /* use the default name */ } if (fd >= 0) close(fd); /* close fd if it was opened */ } /*CheckAdminName */ static void setThreadId(char *s) { #if !defined(AFS_NT40_ENV) int threadId; /* set our 'thread-id' so that the host hold table works */ threadId = rx_SetThreadNum(); opr_threadname_set(s); ViceLog(0, ("Set thread id 0x%x for '%s'\n", threadId, s)); #endif } /* This LWP does things roughly every 5 minutes */ static void * FiveMinuteCheckLWP(void *unused) { static int msg = 0; char tbuffer[32]; ViceLog(1, ("Starting five minute check process\n")); setThreadId("FiveMinuteCheckLWP"); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; while (fs_state.mode == FS_MODE_NORMAL) { fs_state.FiveMinuteLWP_tranquil = 1; FS_STATE_UNLOCK; #else while (1) { #endif sleep(fiveminutes); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; if (fs_state.mode != FS_MODE_NORMAL) { break; } fs_state.FiveMinuteLWP_tranquil = 0; FS_STATE_UNLOCK; #endif /* close the log so it can be removed */ ReOpenLog(); /* don't trunc, just append */ ViceLog(2, ("Cleaning up timed out callbacks\n")); if (CleanupTimedOutCallBacks()) ViceLog(5, ("Timed out callbacks deleted\n")); ViceLog(2, ("Set disk usage statistics\n")); VSetDiskUsage(); if (FS_registered == 1) Do_VLRegisterRPC(); /* Force wakeup in case we missed something; pthreads does timedwait */ if (printBanner && (++msg & 1)) { /* Every 10 minutes */ time_t now = time(NULL); struct tm tm; strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y", localtime_r(&now, &tm)); ViceLog(2, ("File server is running at %s\n", tbuffer)); } #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; #endif } #ifdef AFS_DEMAND_ATTACH_FS fs_state.FiveMinuteLWP_tranquil = 1; FS_LOCK; opr_cv_broadcast(&fs_state.worker_done_cv); FS_UNLOCK; FS_STATE_UNLOCK; return NULL; #else AFS_UNREACHED(return(NULL)); #endif } /*FiveMinuteCheckLWP */ /* This LWP does host checks every 5 minutes: it should not be used for * other 5 minute activities because it may be delayed by timeouts when * it probes the workstations */ static void * HostCheckLWP(void *unused) { ViceLog(1, ("Starting Host check process\n")); setThreadId("HostCheckLWP"); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; while (fs_state.mode == FS_MODE_NORMAL) { fs_state.HostCheckLWP_tranquil = 1; FS_STATE_UNLOCK; #else while(1) { #endif sleep(fiveminutes); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; if (fs_state.mode != FS_MODE_NORMAL) { break; } fs_state.HostCheckLWP_tranquil = 0; FS_STATE_UNLOCK; #endif ViceLog(2, ("Checking for dead venii & clients\n")); h_CheckHosts(); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; #endif } #ifdef AFS_DEMAND_ATTACH_FS fs_state.HostCheckLWP_tranquil = 1; FS_LOCK; opr_cv_broadcast(&fs_state.worker_done_cv); FS_UNLOCK; FS_STATE_UNLOCK; return NULL; #else AFS_UNREACHED(return(NULL)); #endif } /*HostCheckLWP */ /* This LWP does fsync checks every 5 minutes: it should not be used for * other 5 minute activities because it may be delayed by timeouts when * it probes the workstations */ static void * FsyncCheckLWP(void *unused) { afs_int32 code; struct timespec fsync_next; ViceLog(1, ("Starting fsync check process\n")); setThreadId("FsyncCheckLWP"); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; while (fs_state.mode == FS_MODE_NORMAL) { fs_state.FsyncCheckLWP_tranquil = 1; FS_STATE_UNLOCK; #else while(1) { #endif FSYNC_LOCK; /* rounding is fine */ fsync_next.tv_nsec = 0; fsync_next.tv_sec = time(0) + fiveminutes; code = opr_cv_timedwait(&fsync_cond, &fsync_glock_mutex, &fsync_next); FSYNC_UNLOCK; #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; if (fs_state.mode != FS_MODE_NORMAL) { break; } fs_state.FsyncCheckLWP_tranquil = 0; FS_STATE_UNLOCK; #endif /* AFS_DEMAND_ATTACH_FS */ ViceLog(2, ("Checking for fsync events\n")); do { code = BreakLaterCallBacks(); } while (code != 0); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; #endif } #ifdef AFS_DEMAND_ATTACH_FS fs_state.FsyncCheckLWP_tranquil = 1; FS_LOCK; opr_cv_broadcast(&fs_state.worker_done_cv); FS_UNLOCK; FS_STATE_UNLOCK; return NULL; #else AFS_UNREACHED(return(NULL)); #endif /* !AFS_DEMAND_ATTACH_FS */ } /*------------------------------------------------------------------------ * PRIVATE ClearXStatValues * * Description: * Initialize all of the values collected via the xstat * interface. * * Arguments: * None. * * Returns: * Nothing. * * Environment: * Must be called during File Server initialization. * * Side Effects: * As advertised. *------------------------------------------------------------------------*/ static void ClearXStatValues(void) { /*ClearXStatValues */ struct fs_stats_opTimingData *opTimeP; /*Ptr to timing struct */ struct fs_stats_xferData *opXferP; /*Ptr to xfer struct */ int i; /*Loop counter */ /* * Zero all xstat-related structures. */ memset((&afs_perfstats), 0, sizeof(struct afs_PerfStats)); memset((&afs_FullPerfStats), 0, sizeof(struct fs_stats_FullPerfStats)); /* * That's not enough. We have to set reasonable minima for * time and xfer values in the detailed stats. */ opTimeP = &(afs_FullPerfStats.det.rpcOpTimes[0]); for (i = 0; i < FS_STATS_NUM_RPC_OPS; i++, opTimeP++) opTimeP->minTime.tv_sec = 999999; opXferP = &(afs_FullPerfStats.det.xferOpTimes[0]); for (i = 0; i < FS_STATS_NUM_XFER_OPS; i++, opXferP++) { opXferP->minTime.tv_sec = 999999; opXferP->minBytes = 999999999; } /* * There's more. We have to set our unique system identifier, as * declared in param.h. If such a thing is not defined, we bitch * and declare ourselves to be an unknown system type. */ # ifdef SYS_NAME_ID afs_perfstats.sysname_ID = SYS_NAME_ID; # else # ifndef AFS_NT40_ENV ViceLog(0, ("Sys name ID constant not defined in param.h!!\n")); ViceLog(0, ("[Choosing ``undefined'' sys name ID.\n")); # endif afs_perfstats.sysname_ID = SYS_NAME_ID_UNDEFINED; # endif /* SYS_NAME_ID */ } /*ClearXStatValues */ int CopyOnWrite_calls = 0, CopyOnWrite_off0 = 0, CopyOnWrite_size0 = 0; afs_fsize_t CopyOnWrite_maxsize = 0; static void PrintCounters(void) { int dirbuff, dircall, dirio; struct timeval tpl; int workstations, activeworkstations, delworkstations; int processSize = 0; char tbuffer[32]; struct tm tm; #ifdef AFS_DEMAND_ATTACH_FS int stats_flags = 0; #endif gettimeofday(&tpl, 0); Statistics = 1; strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y", localtime_r(&StartTime, &tm)); ViceLog(0, ("Vice was last started at %s\n", tbuffer)); #ifdef AFS_DEMAND_ATTACH_FS if (GetLogLevel() >= 125) { stats_flags = VOL_STATS_PER_CHAIN2; } else if (GetLogLevel() >= 25) { stats_flags = VOL_STATS_PER_CHAIN; } VPrintExtendedCacheStats(stats_flags); #endif VPrintCacheStats(); VPrintDiskStats(); DStat(&dirbuff, &dircall, &dirio); ViceLog(0, ("With %d directory buffers; %d reads resulted in %d read I/Os\n", dirbuff, dircall, dirio)); rx_PrintStats(stderr); audit_PrintStats(stderr); h_PrintStats(); PrintCallBackStats(); processSize = opr_procsize(); ViceLog(0, ("There are %d connections, process size %d\n", CurrentConnections, processSize)); h_GetWorkStats(&workstations, &activeworkstations, &delworkstations, tpl.tv_sec - 15 * 60); ViceLog(0, ("There are %d workstations, %d are active (req in < 15 mins), %d marked \"down\"\n", workstations, activeworkstations, delworkstations)); ViceLog(0, ("CopyOnWrite: calls %d off0 %d size0 %d maxsize 0x%llx\n", CopyOnWrite_calls, CopyOnWrite_off0, CopyOnWrite_size0, CopyOnWrite_maxsize)); Statistics = 0; } /*PrintCounters */ static void * ShutdownWatchdogLWP(void *unused) { opr_threadname_set("ShutdownWatchdog"); sleep(panic_timeout); ViceLogThenPanic(0, ("ShutdownWatchdogLWP: Failed to shutdown and panic " "within %d seconds; forcing panic\n", panic_timeout)); return NULL; } void ShutDownAndCore(int dopanic) { time_t now = time(NULL); struct tm tm; char tbuffer[32]; if (dopanic) { pthread_t watchdogPid; pthread_attr_t tattr; opr_Verify(pthread_attr_init(&tattr) == 0); opr_Verify(pthread_create(&watchdogPid, &tattr, ShutdownWatchdogLWP, NULL) == 0); } /* do not allows new reqests to be served from now on, all new requests * are returned with an error code of RX_RESTARTING ( transient failure ) */ rx_SetRxTranquil(); /* dhruba */ VSetTranquil(); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_WRLOCK; if (fs_state.mode == FS_MODE_SHUTDOWN) { /* it is possible for at least fs_stateSave() (called below) to call * ShutDownAndCore if there's host list corruption; prevent * deinitializing some stuff twice */ ViceLog(0, ("ShutDownAndCore called during shutdown? Skipping volume " "and host package shutdown\n")); FS_STATE_UNLOCK; goto done_vol_host; } fs_state.mode = FS_MODE_SHUTDOWN; FS_STATE_UNLOCK; #endif strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y", localtime_r(&now, &tm)); ViceLog(0, ("Shutting down file server at %s\n", tbuffer)); if (dopanic) ViceLog(0, ("ABNORMAL SHUTDOWN, see core file.\n")); DFlush(); if (!dopanic) PrintCounters(); /* allow audit interfaces to shutdown */ osi_audit_close(); /* shut down volume package */ VShutdown(); #ifdef AFS_DEMAND_ATTACH_FS if (fs_state.options.fs_state_save) { /* * demand attach fs * save fileserver state to disk */ if (dopanic) { ViceLog(0, ("Not saving fileserver state; abnormal shutdown\n")); } else { /* make sure background threads have finished all of their asynchronous * work on host and callback structures */ FS_STATE_RDLOCK; while (!fs_state.FiveMinuteLWP_tranquil || !fs_state.HostCheckLWP_tranquil || !fs_state.FsyncCheckLWP_tranquil) { FS_LOCK; FS_STATE_UNLOCK; ViceLog(0, ("waiting for background host/callback threads to quiesce before saving fileserver state...\n")); opr_cv_wait(&fs_state.worker_done_cv, &fileproc_glock_mutex); FS_UNLOCK; FS_STATE_RDLOCK; } FS_STATE_UNLOCK; /* ok. it should now be fairly safe. let's do the state dump */ fs_stateSave(); } } done_vol_host: #endif /* AFS_DEMAND_ATTACH_FS */ if (debugFile) { rx_PrintStats(debugFile); fflush(debugFile); } now = time(0); strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y", localtime_r(&now, &tm)); if (dopanic) { ViceLog(0, ("File server has terminated abnormally at %s\n", tbuffer)); } else { ViceLog(0, ("File server has terminated normally at %s\n", tbuffer)); } if (dopanic) /* XXX pass in file and line? */ osi_Panic("Panic requested\n"); exit(0); } static afs_int32 ParseRights(char *arights) { afs_int32 mode = 0; int i, len; char tc; if (!arights || !strcmp(arights, "")) { printf("Missing list of mode bits on -implicit option\n"); return -1; } if (!strcmp(arights, "none")) mode = 0; else if (!strcmp(arights, "read")) mode = PRSFS_READ | PRSFS_LOOKUP; else if (!strcmp(arights, "write")) mode = PRSFS_READ | PRSFS_LOOKUP | PRSFS_INSERT | PRSFS_DELETE | PRSFS_WRITE | PRSFS_LOCK; else if (!strcmp(arights, "all")) mode = PRSFS_READ | PRSFS_LOOKUP | PRSFS_INSERT | PRSFS_DELETE | PRSFS_WRITE | PRSFS_LOCK | PRSFS_ADMINISTER; else { len = strlen(arights); for (i = 0; i < len; i++) { tc = *arights++; if (tc == 'r') mode |= PRSFS_READ; else if (tc == 'l') mode |= PRSFS_LOOKUP; else if (tc == 'i') mode |= PRSFS_INSERT; else if (tc == 'd') mode |= PRSFS_DELETE; else if (tc == 'w') mode |= PRSFS_WRITE; else if (tc == 'k') mode |= PRSFS_LOCK; else if (tc == 'a') mode |= PRSFS_ADMINISTER; else if (tc == 'A') mode |= PRSFS_USR0; else if (tc == 'B') mode |= PRSFS_USR1; else if (tc == 'C') mode |= PRSFS_USR2; else if (tc == 'D') mode |= PRSFS_USR3; else if (tc == 'E') mode |= PRSFS_USR4; else if (tc == 'F') mode |= PRSFS_USR5; else if (tc == 'G') mode |= PRSFS_USR6; else if (tc == 'H') mode |= PRSFS_USR7; else { printf("Illegal -implicit rights character '%c'.\n", tc); return -1; } } } return mode; } /* * Limit MAX_FILESERVER_THREAD by the system limit on the number of * pthreads (sysconf(_SC_THREAD_THREADS_MAX)), if applicable and * available. * * AIX: sysconf() limit is real * HP-UX: sysconf() limit is real * IRIX: sysconf() limit is apparently NOT real -- too small * Linux: sysconf() limit is apparently NOT real -- too big * Solaris: no sysconf() limit */ static int max_fileserver_thread(void) { #if defined(AFS_AIX_ENV) || defined(AFS_HPUX_ENV) long ans; ans = sysconf(_SC_THREAD_THREADS_MAX); if (0 < ans && ans < MAX_FILESERVER_THREAD) return (int)ans; #endif return MAX_FILESERVER_THREAD; } /* from ihandle.c */ extern ih_init_params vol_io_params; enum optionsList { OPT_large, OPT_small, OPT_banner, OPT_implicit, OPT_lock, OPT_readonly, OPT_adminwrite, OPT_saneacls, OPT_buffers, OPT_callbacks, OPT_vcsize, OPT_lvnodes, OPT_svnodes, OPT_sendsize, OPT_minspare, OPT_spare, OPT_pctspare, OPT_hostcpsrefresh, OPT_vattachthreads, OPT_abortthreshold, OPT_busyat, OPT_nobusy, OPT_offline_timeout, OPT_offline_shutdown_timeout, OPT_vhandle_setaside, OPT_vhandle_max_cachesize, OPT_vhandle_initial_cachesize, OPT_fs_state_dont_save, OPT_fs_state_dont_restore, OPT_fs_state_verify, OPT_vhashsize, OPT_vlrudisable, OPT_vlruthresh, OPT_vlruinterval, OPT_vlrumax, OPT_unsafe_nosalvage, OPT_cbwait, OPT_novbc, OPT_auditlog, OPT_auditiface, OPT_config, OPT_debug, OPT_logfile, OPT_mrafslogs, OPT_threads, #ifdef HAVE_SYSLOG OPT_syslog, #endif OPT_peer, OPT_process, OPT_nojumbo, OPT_jumbo, OPT_rxbind, OPT_rxdbg, OPT_rxdbge, OPT_rxpck, OPT_rxmaxmtu, OPT_udpsize, OPT_dotted, OPT_realm, OPT_sync, OPT_transarc_logs }; static int ParseArgs(int argc, char *argv[]) { int code; int optval; char *optstring = NULL; struct cmd_item *optlist; struct cmd_syndesc *opts; int lwps_max; char *auditIface = NULL; struct cmd_item *auditLogList = NULL; char *sync_behavior = NULL; #if defined(AFS_AIX32_ENV) extern int aixlow_water; #endif opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL); /* fileserver options */ cmd_AddParmAtOffset(opts, OPT_large, "-L", CMD_FLAG, CMD_OPTIONAL, "defaults for a 'large' server"); cmd_AddParmAtOffset(opts, OPT_small, "-S", CMD_FLAG, CMD_OPTIONAL, "defaults for a 'small' server"); cmd_AddParmAtOffset(opts, OPT_banner, "-banner", CMD_FLAG, CMD_OPTIONAL, "print regular banners to log"); cmd_AddParmAtOffset(opts, OPT_implicit, "-implicit", CMD_SINGLE, CMD_OPTIONAL, "implicit admin access bits"); #if defined(AFS_SGI_ENV) cmd_AddParmAtOffset(opts, OPT_lock, "-lock", CMD_FLAG, CMD_OPTIONAL, "lock filserver binary in memory"); #endif cmd_AddParmAtOffset(opts, OPT_readonly, "-readonly", CMD_FLAG, CMD_OPTIONAL, "be a readonly fileserver"); cmd_AddParmAtOffset(opts, OPT_adminwrite, "-admin-write", CMD_FLAG, CMD_OPTIONAL, "if read-only, allow writes for users " "from system:administrators"); cmd_AddParmAtOffset(opts, OPT_saneacls, "-saneacls", CMD_FLAG, CMD_OPTIONAL, "set the saneacls capability bit"); cmd_AddParmAtOffset(opts, OPT_buffers, "-b", CMD_SINGLE, CMD_OPTIONAL, "buffers"); cmd_AddParmAtOffset(opts, OPT_callbacks, "-cb", CMD_SINGLE, CMD_OPTIONAL, "number of callbacks"); cmd_AddParmAtOffset(opts, OPT_vcsize, "-vc", CMD_SINGLE, CMD_OPTIONAL, "volume cachesize"); cmd_AddParmAtOffset(opts, OPT_lvnodes, "-l", CMD_SINGLE, CMD_OPTIONAL, "large vnodes"); cmd_AddParmAtOffset(opts, OPT_svnodes, "-s", CMD_SINGLE, CMD_OPTIONAL, "small vnodes"); cmd_AddParmAtOffset(opts, OPT_sendsize, "-sendsize", CMD_SINGLE, CMD_OPTIONAL, "size of send buffer in bytes"); #if defined(AFS_AIX32_ENV) cmd_AddParmAtOffset(opts, OPT_minspare, "-m", CMD_SINGLE, CMD_OPTIONAL, "minimum percentage spare in partition"); #endif cmd_AddParmAtOffset(opts, OPT_spare, "-spare", CMD_SINGLE, CMD_OPTIONAL, "kB overage on volume quota"); cmd_AddParmAtOffset(opts, OPT_pctspare, "-pctspare", CMD_SINGLE, CMD_OPTIONAL, "percentage overage on volume quota"); cmd_AddParmAtOffset(opts, OPT_hostcpsrefresh, "-hr", CMD_SINGLE, CMD_OPTIONAL, "hours between host CPS refreshes"); cmd_AddParmAtOffset(opts, OPT_vattachthreads, "-vattachpar", CMD_SINGLE, CMD_OPTIONAL, "# of volume attachment threads"); cmd_AddParmAtOffset(opts, OPT_abortthreshold, "-abortthreshold", CMD_SINGLE, CMD_OPTIONAL, "abort threshold"); cmd_AddParmAtOffset(opts, OPT_busyat, "-busyat", CMD_SINGLE, CMD_OPTIONAL, "# of queued entries after which server is busy"); cmd_AddParmAtOffset(opts, OPT_nobusy, "-nobusy", CMD_FLAG, CMD_OPTIONAL, "send VRESTARTING while restarting the server"); cmd_AddParmAtOffset(opts, OPT_offline_timeout, "-offline-timeout", CMD_SINGLE, CMD_OPTIONAL, "timeout for offlining volumes"); cmd_AddParmAtOffset(opts, OPT_offline_shutdown_timeout, "-offline-shutdown-timeout", CMD_SINGLE, CMD_OPTIONAL, "timeout offlining volumes during shutdown"); cmd_AddParmAtOffset(opts, OPT_vhandle_setaside, "-vhandle-setaside", CMD_SINGLE, CMD_OPTIONAL, "# fds reserved for non-cache IO"); cmd_AddParmAtOffset(opts, OPT_vhandle_max_cachesize, "-vhandle-max-cachesize", CMD_SINGLE, CMD_OPTIONAL, "max open files"); cmd_AddParmAtOffset(opts, OPT_vhandle_initial_cachesize, "-vhandle-initial-cachesize", CMD_SINGLE, CMD_OPTIONAL, "# fds reserved for cache IO"); cmd_AddParmAtOffset(opts, OPT_vhashsize, "-vhashsize", CMD_SINGLE, CMD_OPTIONAL, "log(2) of # of volume hash buckets"); #ifdef AFS_DEMAND_ATTACH_FS /* dafs options */ cmd_AddParmAtOffset(opts, OPT_fs_state_dont_save, "-fs-state-dont-save", CMD_FLAG, CMD_OPTIONAL, "disable state save during shutdown"); cmd_AddParmAtOffset(opts, OPT_fs_state_dont_restore, "-fs-state-dont-restore", CMD_FLAG, CMD_OPTIONAL, "disable state restore during startup"); cmd_AddParmAtOffset(opts, OPT_fs_state_verify, "-fs-state-verify", CMD_SINGLE, CMD_OPTIONAL, "none|save|restore|both"); cmd_AddParmAtOffset(opts, OPT_vlrudisable, "-vlrudisable", CMD_FLAG, CMD_OPTIONAL, "disable VLRU functionality"); cmd_AddParmAtOffset(opts, OPT_vlruthresh, "-vlruthresh", CMD_SINGLE, CMD_OPTIONAL, "mins before unused vols become eligible for detach"); cmd_AddParmAtOffset(opts, OPT_vlruinterval, "-vlruinterval", CMD_SINGLE, CMD_OPTIONAL, "secs between VLRU scans"); cmd_AddParmAtOffset(opts, OPT_vlrumax, "-vlrumax", CMD_SINGLE, CMD_OPTIONAL, "max volumes to detach in one scan"); cmd_AddParmAtOffset(opts, OPT_unsafe_nosalvage, "-unsafe-nosalvage", CMD_FLAG, CMD_OPTIONAL, "bypass safety checks on volume attach"); #endif /* unrecommend options - should perhaps be CMD_HIDE */ cmd_AddParmAtOffset(opts, OPT_cbwait, "-w", CMD_SINGLE, CMD_OPTIONAL, "callback wait interval"); cmd_AddParmAtOffset(opts, OPT_novbc, "-novbc", CMD_FLAG, CMD_OPTIONAL, "disable callback breaks on reattach"); /* general options */ cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_LIST, CMD_OPTIONAL, "[interface:]path[:options]"); cmd_AddParmAtOffset(opts, OPT_auditiface, "-audit-interface", CMD_SINGLE, CMD_OPTIONAL, "default interface"); cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL, "debug level"); cmd_AddParmAtOffset(opts, OPT_mrafslogs, "-mrafslogs", CMD_FLAG, CMD_OPTIONAL, "enable MRAFS style logging"); cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG, CMD_OPTIONAL, "enable Transarc style logging"); cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL, "number of threads"); #ifdef HAVE_SYSLOG cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG, CMD_OPTIONAL, "log to syslog"); #endif /* rx options */ cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL, "enable RX RPC statistics by peer"); cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG, CMD_OPTIONAL, "enable RX RPC statistics"); cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG, CMD_OPTIONAL, "disable jumbograms"); cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL, "enable jumbograms"); cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL, "bind only to the primary interface"); cmd_AddParmAtOffset(opts, OPT_rxdbg, "-rxdbg", CMD_FLAG, CMD_OPTIONAL, "enable rx debugging"); cmd_AddParmAtOffset(opts, OPT_rxdbge, "-rxdbge", CMD_FLAG, CMD_OPTIONAL, "enable rx event debugging"); cmd_AddParmAtOffset(opts, OPT_rxpck, "-rxpck", CMD_SINGLE, CMD_OPTIONAL, "# of extra rx packets"); cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE, CMD_OPTIONAL, "maximum MTU for RX"); cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE, CMD_OPTIONAL, "size of socket buffer in bytes"); /* rxkad options */ cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals", CMD_FLAG, CMD_OPTIONAL, "permit Kerberos 5 principals with dots"); cmd_AddParmAtOffset(opts, OPT_realm, "-realm", CMD_LIST, CMD_OPTIONAL, "local realm"); cmd_AddParmAtOffset(opts, OPT_sync, "-sync", CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never"); /* testing options */ cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE, CMD_OPTIONAL, "location of log file"); cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE, CMD_OPTIONAL, "configuration location"); code = cmd_Parse(argc, argv, &opts); if (code == CMD_HELP) { exit(0); } if (code) return -1; cmd_OpenConfigFile(AFSDIR_SERVER_CONFIG_FILE_FILEPATH); cmd_SetCommandName("fileserver"); if (cmd_OptionPresent(opts, OPT_large) && cmd_OptionPresent(opts, OPT_small)) { printf("Only one of -L or -S must be specified\n"); return -1; } if (cmd_OptionPresent(opts, OPT_spare) && cmd_OptionPresent(opts, OPT_pctspare)) { printf("Both -spare and -pctspare specified, exiting.\n"); return -1; } if (cmd_OptionPresent(opts, OPT_large)) { rxpackets = 200; nSmallVns = 600; large = 600; numberofcbs = 64000; lwps = 128; buffs = 120; volcache = 600; } if (cmd_OptionPresent(opts, OPT_small)) { rxpackets = 100; nSmallVns = 200; large = 200; numberofcbs = 20000; lwps = 6; buffs = 70; volcache = 200; } cmd_OptionAsFlag(opts, OPT_banner, &printBanner); if (cmd_OptionAsString(opts, OPT_implicit, &optstring) == 0) { implicitAdminRights = ParseRights(optstring); free(optstring); optstring = NULL; if (implicitAdminRights < 0) return implicitAdminRights; } #if defined(AFS_SGI_ENV) cmd_OptionAsFlag(opts, OPT_lock, &SawLock); #endif cmd_OptionAsFlag(opts, OPT_readonly, &readonlyServer); cmd_OptionAsFlag(opts, OPT_adminwrite, &adminwriteServer); cmd_OptionAsFlag(opts, OPT_saneacls, &saneacls); cmd_OptionAsInt(opts, OPT_buffers, &buffs); if (cmd_OptionAsInt(opts, OPT_callbacks, &numberofcbs) == 0) { if ((numberofcbs < 10000) || (numberofcbs > 2147483647)) { printf("number of cbs %d invalid; " "must be between 10000 and 2147483647\n", numberofcbs); return -1; } } cmd_OptionAsInt(opts, OPT_vcsize, &volcache); cmd_OptionAsInt(opts, OPT_lvnodes, &large); cmd_OptionAsInt(opts, OPT_svnodes, &nSmallVns); if (cmd_OptionAsInt(opts, OPT_sendsize, &optval) == 0) { if (optval < 16384) { printf("Warning:sendsize %d is less than minimum %d; ignoring\n", optval, 16384); } else sendBufSize = optval; } #if defined(AFS_AIX32_ENV) if (cmd_OptionAsInt(opts, OPT_minspare, &aixlow_water) == 0) { if ((aixlow_water < 0) || (aixlow_water > 30)) { printf("space reserved %d%% invalid; must be between 0-30%%\n", aixlow_water); return -1; } } #endif cmd_OptionAsInt(opts, OPT_spare, &BlocksSpare); if (cmd_OptionAsInt(opts, OPT_pctspare, &PctSpare) == 0) { BlocksSpare = 0; } if (cmd_OptionAsInt(opts, OPT_hostcpsrefresh, &optval) == 0) { if ((optval < 1) || (optval > 36)) { printf("host acl refresh interval of %d hours is invalid; " "hours must be between 1 and 36\n\n", optval); return -1; } hostaclRefresh = optval * 60 * 60; } cmd_OptionAsInt(opts, OPT_vattachthreads, &vol_attach_threads); cmd_OptionAsInt(opts, OPT_abortthreshold, &abort_threshold); /* busyat is at the end, as rxpackets has to be set before we can use it */ if (cmd_OptionPresent(opts, OPT_nobusy)) busyonrst = 0; if (cmd_OptionAsInt(opts, OPT_offline_timeout, &offline_timeout) == 0) { if (offline_timeout < -1) { printf("Invalid -offline-timeout value %d; the only valid " "negative value is -1\n", offline_timeout); return -1; } } if (cmd_OptionAsInt(opts, OPT_offline_shutdown_timeout, &offline_shutdown_timeout) == 0) { if (offline_shutdown_timeout < -1) { printf("Invalid -offline-timeout value %d; the only valid " "negative value is -1\n", offline_shutdown_timeout); return -1; } } cmd_OptionAsUint(opts, OPT_vhandle_setaside, &vol_io_params.fd_handle_setaside); cmd_OptionAsUint(opts, OPT_vhandle_max_cachesize, &vol_io_params.fd_max_cachesize); cmd_OptionAsUint(opts, OPT_vhandle_initial_cachesize, &vol_io_params.fd_initial_cachesize); if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) { if (ih_SetSyncBehavior(sync_behavior)) { printf("Invalid -sync value %s\n", sync_behavior); return -1; } } if (cmd_OptionAsInt(opts, OPT_vhashsize, &optval) == 0) { if (VSetVolHashSize(optval)) { fprintf(stderr, "specified -vhashsize (%d) is invalid or out " "of range\n", optval); return -1; } } #ifdef AFS_DEMAND_ATTACH_FS if (cmd_OptionPresent(opts, OPT_fs_state_dont_save)) fs_state.options.fs_state_save = 0; if (cmd_OptionPresent(opts, OPT_fs_state_dont_restore)) fs_state.options.fs_state_restore = 0; if (cmd_OptionAsString(opts, OPT_fs_state_verify, &optstring) == 0) { if (strcmp(optstring, "none") == 0) { fs_state.options.fs_state_verify_before_save = 0; fs_state.options.fs_state_verify_after_restore = 0; } else if (strcmp(optstring, "save") == 0) { fs_state.options.fs_state_verify_after_restore = 0; } else if (strcmp(optstring, "restore") == 0) { fs_state.options.fs_state_verify_before_save = 0; } else if (strcmp(optstring, "both") == 0) { /* default */ } else { fprintf(stderr, "invalid argument for -fs-state-verify\n"); return -1; } } if (cmd_OptionPresent(opts, OPT_vlrudisable)) VLRU_SetOptions(VLRU_SET_ENABLED, 0); if (cmd_OptionAsInt(opts, OPT_vlruthresh, &optval) == 0) VLRU_SetOptions(VLRU_SET_THRESH, 60*optval); if (cmd_OptionAsInt(opts, OPT_vlruinterval, &optval) == 0) VLRU_SetOptions(VLRU_SET_INTERVAL, optval); if (cmd_OptionAsInt(opts, OPT_vlrumax, &optval) == 0) VLRU_SetOptions(VLRU_SET_MAX, optval); cmd_OptionAsFlag(opts, OPT_unsafe_nosalvage, &unsafe_attach); #endif /* AFS_DEMAND_ATTACH_FS */ cmd_OptionAsInt(opts, OPT_cbwait, &fiveminutes); cmd_OptionAsFlag(opts, OPT_novbc, &novbc); /* general server options */ cmd_OptionAsString(opts, OPT_auditiface, &auditIface); cmd_OptionAsList(opts, OPT_auditlog, &auditLogList); if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) { lwps_max = max_fileserver_thread() - FILESERVER_HELPER_THREADS; if (lwps > lwps_max) lwps = lwps_max; else if (lwps <6) lwps = 6; } /* Logging options. */ #ifdef HAVE_SYSLOG if (cmd_OptionPresent(opts, OPT_syslog)) { if (cmd_OptionPresent(opts, OPT_logfile)) { fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n"); return -1; } if (cmd_OptionPresent(opts, OPT_transarc_logs)) { fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n"); return -1; } if (cmd_OptionPresent(opts, OPT_mrafslogs)) { fprintf(stderr, "Invalid options: -syslog and -mrafslogs are exclusive.\n"); return -1; } logopts.lopt_dest = logDest_syslog; logopts.lopt_facility = LOG_DAEMON; logopts.lopt_tag = "fileserver"; cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility); } else #endif { logopts.lopt_dest = logDest_file; if (cmd_OptionPresent(opts, OPT_transarc_logs)) { if (cmd_OptionPresent(opts, OPT_mrafslogs)) { fprintf(stderr, "Invalid options: -transarc-logs and -mrafslogs are exclusive.\n"); return -1; } logopts.lopt_rotateOnOpen = 1; logopts.lopt_rotateStyle = logRotate_old; } else if (cmd_OptionPresent(opts, OPT_mrafslogs)) { logopts.lopt_rotateOnOpen = 1; logopts.lopt_rotateOnReset = 1; logopts.lopt_rotateStyle = logRotate_timestamp; } if (cmd_OptionPresent(opts, OPT_logfile)) cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename); else logopts.lopt_filename = AFSDIR_SERVER_FILELOG_FILEPATH; } cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel); if (cmd_OptionPresent(opts, OPT_peer)) rx_enablePeerRPCStats(); if (cmd_OptionPresent(opts, OPT_process)) rx_enableProcessRPCStats(); if (cmd_OptionPresent(opts, OPT_nojumbo)) rxJumbograms = 0; if (cmd_OptionPresent(opts, OPT_jumbo)) rxJumbograms = 1; cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind); cmd_OptionAsFlag(opts, OPT_rxdbg, &rxlog); cmd_OptionAsFlag(opts, OPT_rxdbge, &eventlog); cmd_OptionAsInt(opts, OPT_rxpck, &rxpackets); cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU); if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) { if (optval < rx_GetMinUdpBufSize()) { printf("Warning:udpsize %d is less than minimum %d; ignoring\n", optval, rx_GetMinUdpBufSize()); } else udpBufSize = optval; } /* rxkad options */ cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck); if (cmd_OptionAsList(opts, OPT_realm, &optlist) == 0) { for (; optlist != NULL; optlist=optlist->next) { if (strlen(optlist->data) >= AFS_REALM_SZ) { printf("-realm argument must contain fewer than %d " "characters.\n", AFS_REALM_SZ); return -1; } afsconf_SetLocalRealm(optlist->data); /* overrides krb.conf file, if one */ } } /* anything setting rxpackets must come before this */ if (cmd_OptionAsInt(opts, OPT_busyat, &optval) == 0) { if (optval < 10) { printf("Busy threshold %d is too low, will use default.\n", busy_threshold); busy_threshold = 3 * rxpackets / 2; } else { busy_threshold = optval; } } else { busy_threshold = 3 * rxpackets / 2; } cmd_OptionAsString(opts, OPT_config, &FS_configPath); code = osi_audit_cmd_Options(auditIface, auditLogList); free(auditIface); if (code) return -1; if (lwps > 64) { host_thread_quota = 5; } else if (lwps > 32) { host_thread_quota = 4; } else if (lwps > 16) { host_thread_quota = 3; } else { host_thread_quota = 2; } return (0); } /*ParseArgs */ /* Once upon a time, in a galaxy far far away, IBM AFS supported the use of * a file /vice/file/parms, the contents of which would override any command * line parameters. We no longer support the use of such a file, but we warn * if we encounter its presence from an older release */ static void CheckParms(void) { struct afs_stat sbuf; if (afs_stat("/vice/file/parms", &sbuf) == 0) { ViceLog(0, ("Using /vice/file/parms to override command line " "options is no longer supported")); } } /* Miscellaneous routines */ void Die(const char *msg) { ViceLogThenPanic(0, ("%s\n", msg)); } /*Die */ afs_int32 InitPR(void) { int code; /* * If this fails, it's because something major is wrong, and is not * likely to be time dependent. */ code = pr_Initialize(2, AFSDIR_SERVER_ETC_DIRPATH, 0); if (code != 0) { ViceLog(0, ("Couldn't initialize protection library; code=%d.\n", code)); return code; } opr_Verify(pthread_key_create(&viced_uclient_key, NULL) == 0); SystemId = SYSADMINID; SystemAnyUser = ANYUSERID; SystemAnyUserCPS.prlist_len = 0; SystemAnyUserCPS.prlist_val = NULL; AnonCPS.prlist_len = 0; AnonCPS.prlist_val = NULL; while (1) { code = pr_GetCPS(SystemAnyUser, &SystemAnyUserCPS); if (code != 0) { ViceLog(0, ("Couldn't get CPS for AnyUser, will try again in 30 seconds; code=%d.\n", code)); goto sleep; } code = pr_GetCPS(ANONYMOUSID, &AnonCPS); if (code != 0) { ViceLog(0, ("Couldn't get Anonymous CPS, exiting; code=%d.\n", code)); return -1; } AnonymousID = ANONYMOUSID; return 0; sleep: sleep(30); } } /*InitPR */ static struct ubik_client *cstruct; static afs_int32 vl_Initialize(struct afsconf_dir *dir) { afs_int32 code, i; afs_int32 scIndex = RX_SECIDX_NULL; struct afsconf_cell info; struct rx_securityClass *sc; struct rx_connection *serverconns[MAXSERVERS]; memset(serverconns, 0, sizeof(serverconns)); code = afsconf_ClientAuth(dir, &sc, &scIndex); if (code) { ViceLog(0, ("Could not get security object for localAuth\n")); exit(1); } code = afsconf_GetCellInfo(dir, NULL, AFSCONF_VLDBSERVICE, &info); if (code) { ViceLog(0, ("vl_Initialize: Failed to get cell information\n")); exit(1); } if (info.numServers > MAXSERVERS) { ViceLog(0, ("vl_Initialize: info.numServers=%d (> MAXSERVERS=%d)\n", info.numServers, MAXSERVERS)); exit(1); } for (i = 0; i < info.numServers; i++) serverconns[i] = rx_NewConnection(info.hostAddr[i].sin_addr.s_addr, info.hostAddr[i].sin_port, USER_SERVICE_ID, sc, scIndex); code = ubik_ClientInit(serverconns, &cstruct); if (code) { ViceLog(0, ("vl_Initialize: ubik client init failed.\n")); return code; } return 0; } #define SYSIDMAGIC 0x88aabbcc #define SYSIDVERSION 1 afs_int32 ReadSysIdFile(void) { afs_int32 fd, nentries, i; struct versionStamp vsn; struct afs_stat status; afsUUID uuid; if ((afs_stat(AFSDIR_SERVER_SYSID_FILEPATH, &status)) || (status.st_size <= 0)) { ViceLog(0, ("%s: doesn't exist\n", AFSDIR_SERVER_SYSID_FILEPATH)); return ENOENT; } if (!(fd = afs_open(AFSDIR_SERVER_SYSID_FILEPATH, O_RDONLY, 0))) { ViceLog(0, ("%s: can't open (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } if (read(fd, (char *)&vsn, sizeof(vsn)) != sizeof(vsn)) { ViceLog(0, ("%s: Read failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } if (vsn.magic != SYSIDMAGIC) { ViceLog(0, ("%s: wrong magic %x (we support %x)\n", AFSDIR_SERVER_SYSID_FILEPATH, vsn.magic, SYSIDMAGIC)); return EIO; } if (vsn.version != SYSIDVERSION) { ViceLog(0, ("%s: wrong version %d (we support %d)\n", AFSDIR_SERVER_SYSID_FILEPATH, vsn.version, SYSIDVERSION)); return EIO; } if (read(fd, (char *)&uuid, sizeof(struct afsUUID)) != sizeof(struct afsUUID)) { ViceLog(0, ("%s: read of uuid failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } afs_ntohuuid(&uuid); FS_HostUUID = uuid; if (read(fd, (char *)&nentries, sizeof(afs_int32)) != sizeof(afs_int32)) { ViceLog(0, ("%s: Read of entries failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } if (nentries <= 0 || nentries > ADDRSPERSITE) { ViceLog(0, ("%s: invalid num of interfaces: %d\n", AFSDIR_SERVER_SYSID_FILEPATH, nentries)); return EIO; } if (FS_HostAddr_cnt == 0) { FS_HostAddr_cnt = nentries; for (i = 0; i < nentries; i++) { if (read(fd, (char *)&FS_HostAddrs[i], sizeof(afs_int32)) != sizeof(afs_int32)) { ViceLog(0, ("%s: Read of addresses failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); FS_HostAddr_cnt = 0; /* reset it */ return EIO; } } } else { ViceLog(1, ("%s: address list ignored (NetInfo/NetRestrict override)\n", AFSDIR_SERVER_SYSID_FILEPATH)); } close(fd); return 0; } afs_int32 WriteSysIdFile(void) { afs_int32 fd, i; struct versionStamp vsn; struct afs_stat status; afsUUID uuid; if (!afs_stat(AFSDIR_SERVER_SYSID_FILEPATH, &status)) { /* * File exists; keep the old one around */ rk_rename(AFSDIR_SERVER_SYSID_FILEPATH, AFSDIR_SERVER_OLDSYSID_FILEPATH); } fd = afs_open(AFSDIR_SERVER_SYSID_FILEPATH, O_WRONLY | O_TRUNC | O_CREAT, 0666); if (fd < 1) { ViceLog(0, ("%s: can't create (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } vsn.magic = SYSIDMAGIC; vsn.version = 1; if ((i = write(fd, (char *)&vsn, sizeof(vsn))) != sizeof(vsn)) { ViceLog(0, ("%s: write failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } uuid = FS_HostUUID; afs_htonuuid(&uuid); if ((i = write(fd, (char *)&uuid, sizeof(struct afsUUID))) != sizeof(struct afsUUID)) { ViceLog(0, ("%s: write of uuid failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } if ((i = write(fd, (char *)&FS_HostAddr_cnt, sizeof(afs_int32))) != sizeof(afs_int32)) { ViceLog(0, ("%s: write of # of entries failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } for (i = 0; i < FS_HostAddr_cnt; i++) { if (write(fd, (char *)&FS_HostAddrs[i], sizeof(afs_int32)) != sizeof(afs_int32)) { ViceLog(0, ("%s: write of addresses failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH, errno)); return EIO; } } close(fd); return 0; } /* * defect 10966 * This routine sets up the buffers for the VL_RegisterAddrs RPC. All addresses * in FS_HostAddrs[] are in NBO, while the RPC treats them as a "blob" of data * and so we need to convert each of them into HBO which is what the extra * array called FS_HostAddrs_HBO is used here. */ static afs_int32 Do_VLRegisterRPC(void) { int code; bulkaddrs addrs; afs_uint32 FS_HostAddrs_HBO[ADDRSPERSITE]; int i = 0; for (i = 0; i < FS_HostAddr_cnt; i++) FS_HostAddrs_HBO[i] = ntohl(FS_HostAddrs[i]); addrs.bulkaddrs_len = FS_HostAddr_cnt; addrs.bulkaddrs_val = (afs_uint32 *) FS_HostAddrs_HBO; code = ubik_VL_RegisterAddrs(cstruct, 0, &FS_HostUUID, 0, &addrs); if (code) { if (code == VL_MULTIPADDR) { ViceLog(0, ("VL_RegisterAddrs rpc failed; The IP address exists on a different server; repair it\n")); ViceLog(0, ("VL_RegisterAddrs rpc failed; See VLLog for details\n")); return code; } else if (code == RXGEN_OPCODE) { ViceLog(0, ("vlserver doesn't support VL_RegisterAddrs rpc; ignored\n")); FS_registered = 2; /* So we don't have to retry in the gc daemon */ } else { ViceLog(0, ("VL_RegisterAddrs rpc failed; will retry periodically (code=%d, err=%d)\n", code, errno)); FS_registered = 1; /* Retry in the gc daemon */ } } else { FS_registered = 2; /* So we don't have to retry in the gc daemon */ WriteSysIdFile(); } return 0; } afs_int32 SetupVL(void) { afs_int32 code; if (AFSDIR_SERVER_NETRESTRICT_FILEPATH || AFSDIR_SERVER_NETINFO_FILEPATH) { /* * Find addresses we are supposed to register as per the netrestrict * and netinfo files (/usr/afs/local/NetInfo and * /usr/afs/local/NetRestict) */ char reason[1024]; afs_int32 code; code = afsconf_ParseNetFiles(FS_HostAddrs, NULL, NULL, ADDRSPERSITE, reason, AFSDIR_SERVER_NETINFO_FILEPATH, AFSDIR_SERVER_NETRESTRICT_FILEPATH); if (code < 0) { ViceLog(0, ("Can't register any valid addresses: %s\n", reason)); exit(1); } FS_HostAddr_cnt = (afs_uint32) code; } else { FS_HostAddr_cnt = rx_getAllAddr(FS_HostAddrs, ADDRSPERSITE); } if (FS_HostAddr_cnt == 1 && rxBind == 1) code = FS_HostAddrs[0]; else code = htonl(INADDR_ANY); return code; } afs_int32 InitVL(struct afsconf_dir *dir) { afs_int32 code; /* * If this fails, it's because something major is wrong, and is not * likely to be time dependent. */ code = vl_Initialize(dir); if (code != 0) { ViceLog(0, ("Couldn't initialize volume location library; code=%d.\n", code)); return code; } /* Read or create the sysid file and register the fileserver's * IP addresses with the vlserver. */ code = ReadSysIdFile(); if (code) { /* Need to create the file */ ViceLog(0, ("Creating new SysID file\n")); if ((code = afs_uuid_create(&FS_HostUUID))) { ViceLog(0, ("Failed to create new uuid: %d\n", code)); exit(1); } } /* A good sysid file exists; inform the vlserver. If any conflicts, * we always use the latest interface available as the real truth. */ code = Do_VLRegisterRPC(); return code; } int main(int argc, char *argv[]) { afs_int32 code; char tbuffer[32]; struct rx_securityClass **securityClasses; afs_int32 numClasses; struct rx_service *tservice; pthread_t serverPid; pthread_attr_t tattr; struct hostent *he; int minVnodesRequired; /* min size of vnode cache */ #ifndef AFS_NT40_ENV struct rlimit rlim; /* max number of open file descriptors */ #endif int curLimit; time_t t; struct tm tm; char hoststr[16]; afs_uint32 rx_bindhost; VolumePackageOptions opts; struct afsconf_bsso_info bsso; #ifdef AFS_AIX32_ENV struct sigaction nsa; sigemptyset(&nsa.sa_mask); nsa.sa_handler = SIG_DFL; nsa.sa_flags = SA_FULLDUMP; sigaction(SIGABRT, &nsa, NULL); sigaction(SIGSEGV, &nsa, NULL); #endif osi_audit_init(); memset(&bsso, 0, sizeof(bsso)); /* Initialize dirpaths */ if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) { #ifdef AFS_NT40_ENV ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0); #endif fprintf(stderr, "%s: Unable to obtain AFS server directory.\n", argv[0]); exit(2); } /* set ihandle package defaults prior to parsing args */ ih_PkgDefaults(); /* check for the parameter file */ CheckParms(); FS_configPath = strdup(AFSDIR_SERVER_ETC_DIRPATH); memset(&logopts, 0, sizeof(logopts)); if (ParseArgs(argc, argv)) { exit(-1); } opr_mutex_init(&fileproc_glock_mutex); #ifdef AFS_SGI_VNODE_GLUE if (afs_init_kernel_config(-1) < 0) { printf ("Can't determine NUMA configuration, not starting fileserver.\n"); exit(1); } #endif confDir = afsconf_Open(FS_configPath); if (!confDir) { fprintf(stderr, "Unable to open config directory %s\n", FS_configPath); exit(-1); } /* initialize audit user check */ osi_audit_set_user_check(confDir, fs_IsLocalRealmMatch); OpenLog(&logopts); LogCommandLine(argc, argv, "starting", "", "File server", FSLog); /* initialize the pthread soft signal handler thread */ opr_softsig_Init(); SetupLogSoftSignals(); opr_softsig_Register(AFS_SIG_CHECK, CheckSignal_Signal); #ifndef AFS_NT40_ENV opr_softsig_Register(SIGTERM, CheckDescriptors_Signal); #endif /* finish audit interface initalization */ osi_audit_open(); #if defined(AFS_SGI_ENV) /* give this guy a non-degrading priority so help busy servers */ schedctl(NDPRI, 0, NDPNORMMAX); if (SawLock) plock(PROCLOCK); #elif !defined(AFS_NT40_ENV) if (nice(-5) < 0) { /* don't care */ } #endif DInit(buffs); #ifdef AFS_DEMAND_ATTACH_FS FS_STATE_INIT; #endif #ifdef AFS_NT40_ENV if (afs_winsockInit() < 0) { ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0); ViceLog(0, ("File server failed to intialize winsock.\n")); exit(1); } #endif CheckAdminName(); /* if we support more than 16 threads, then we better have the ability ** to keep open a large number of files simultaneously */ #if defined(AFS_AIX_ENV) && !defined(AFS_AIX42_ENV) curLimit = OPEN_MAX; /* for pre AIX 4.2 systems */ #elif defined(AFS_NT40_ENV) curLimit = NT_OPEN_MAX; /* open file descriptor limit on NT */ #else curLimit = 0; /* the number of open file descriptors */ code = getrlimit(RLIMIT_NOFILE, &rlim); if (code == 0) { curLimit = rlim.rlim_cur; rlim.rlim_cur = rlim.rlim_max; code = setrlimit(RLIMIT_NOFILE, &rlim); if (code == 0) curLimit = rlim.rlim_max; } if (code != 0) ViceLog(0, ("Failed to increase open file limit, using default\n")); #endif /* defined(AFS_AIX_ENV) && !defined(AFS_AIX42_ENV) */ curLimit -= 32; /* leave a slack of 32 file descriptors */ if (lwps > curLimit) { if (curLimit > 0) lwps = curLimit; else if (lwps > 16) lwps = 16; /* default to a maximum of 16 threads */ /* tune the ihandle fd cache accordingly */ if (vol_io_params.fd_max_cachesize < curLimit) vol_io_params.fd_max_cachesize = curLimit + 1; ViceLog(0, ("The system supports a max of %d open files and we are starting %d threads (ihandle fd cache is %d)\n", curLimit, lwps, vol_io_params.fd_max_cachesize)); } /* Initialize volume support */ if (!novbc) { V_BreakVolumeCallbacks = BreakVolumeCallBacksLater; } SetLogThreadNumProgram( rx_GetThreadNum ); /* initialize libacl routines */ acl_Initialize(ACL_VERSION); /* initialize RX support */ #if !defined(AFS_NT40_ENV) && !defined(AFS_DARWIN160_ENV) rxi_syscallp = viced_syscall; #endif rx_extraPackets = rxpackets; rx_extraQuota = 4; /* for outgoing prserver calls from R threads */ rx_SetBusyThreshold(busy_threshold, VBUSY); rx_SetCallAbortThreshold(abort_threshold); rx_SetConnAbortThreshold(abort_threshold); #ifdef AFS_XBSD_ENV stackSize = 128 * 1024; #else stackSize = lwps * 4000; if (stackSize < 32000) stackSize = 32000; else if (stackSize > 44000) stackSize = 44000; #endif #if defined(AFS_HPUX_ENV) || defined(AFS_SUN_ENV) || defined(AFS_SGI51_ENV) || defined(AFS_XBSD_ENV) rx_SetStackSize(1, stackSize); #endif if (udpBufSize) rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */ rx_bindhost = SetupVL(); ViceLog(0, ("File server binding rx to %s:%d\n", afs_inet_ntoa_r(rx_bindhost, hoststr), 7000)); if (rx_InitHost(rx_bindhost, (int)htons(7000)) < 0) { ViceLog(0, ("Cannot initialize RX\n")); exit(1); } if (!rxJumbograms) { /* Don't send and don't allow 3.4 clients to send jumbograms. */ rx_SetNoJumbo(); } if (rxMaxMTU != -1) { if (rx_SetMaxMTU(rxMaxMTU) != 0) { ViceLog(0, ("rxMaxMTU %d is invalid\n", rxMaxMTU)); exit(1); } } rx_GetIFInfo(); rx_SetRxDeadTime(30); afsconf_SetSecurityFlags(confDir, AFSCONF_SECOPTS_ALWAYSENCRYPT); bsso.dir = confDir; bsso.logger = FSLog; afsconf_BuildServerSecurityObjects_int(&bsso, &securityClasses, &numClasses); tservice = rx_NewServiceHost(rx_bindhost, /* port */ 0, /* service id */ 1, /*service name */ "AFS", securityClasses, numClasses, RXAFS_ExecuteRequest); if (!tservice) { ViceLog(0, ("Failed to initialize RX, probably two servers running.\n")); exit(-1); } if (rxkadDisableDotCheck) { code = rx_SetSecurityConfiguration(tservice, RXS_CONFIG_FLAGS, (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK); if (code) { ViceLog(0, ("Failed to allow dotted principals: code %d\n", code)); exit(-1); } } rx_SetMinProcs(tservice, 3); rx_SetMaxProcs(tservice, lwps); rx_SetCheckReach(tservice, 1); tservice = rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses, numClasses, RXSTATS_ExecuteRequest); if (!tservice) { ViceLog(0, ("Failed to initialize rpc stat service.\n")); exit(-1); } rx_SetMinProcs(tservice, 2); rx_SetMaxProcs(tservice, 4); /* Some rx debugging */ if (rxlog || eventlog) { debugFile = afs_fopen("rx_dbg", "w"); if (rxlog) rx_debugFile = debugFile; if (eventlog) rxevent_debugFile = debugFile; } init_sys_error_to_et(); /* Set up error table translation */ h_InitHostPackage(host_thread_quota); /* set up local cellname and realmname */ InitCallBack(numberofcbs); ClearXStatValues(); code = InitVL(confDir); if (code && code != VL_MULTIPADDR) { ViceLog(0, ("Fatal error in library initialization, exiting!!\n")); exit(1); } code = InitPR(); if (code && code != -1) { ViceLog(0, ("Fatal error in protection initialization, exiting!!\n")); exit(1); } /* allow super users to manage RX statistics */ rx_SetRxStatUserOk(viced_SuperUser); opr_cv_init(&fsync_cond); opr_mutex_init(&fsync_glock_mutex); #if !defined(AFS_DEMAND_ATTACH_FS) /* * For DAFS, we do not start the Rx server threads until after * the volume package is initialized, and fileserver state is * restored. This is necessary in order to keep host and callback * package state pristine until we have a chance to restore state. * * Furthermore, startup latency is much lower with dafs, so this * shouldn't pose a serious problem. */ rx_StartServer(0); /* now start handling requests */ #endif /* we ensure that there is enough space in the vnode buffer to satisfy ** requests from all concurrent threads. ** the maximum number of vnodes used by a single thread at any one time ** is three ( "link" uses three vnodes simultaneously, one vLarge and ** two vSmall for linking files and two vLarge and one vSmall for linking ** files ) : dhruba */ minVnodesRequired = 2 * lwps + 1; if (minVnodesRequired > nSmallVns) { nSmallVns = minVnodesRequired; ViceLog(0, ("Overriding -s command line parameter with %d\n", nSmallVns)); } if (minVnodesRequired > large) { large = minVnodesRequired; ViceLog(0, ("Overriding -l command line parameter with %d\n", large)); } /* We now do this after getting the listener up and running, so that client * connections don't timeout (maybe) if a file server is restarted, since it * will be available "real soon now". Worry about whether we can satisfy the * calls in the volume package itself. */ VOptDefaults(fileServer, &opts); opts.nLargeVnodes = large; opts.nSmallVnodes = nSmallVns; opts.volcache = volcache; opts.unsafe_attach = unsafe_attach; if (offline_timeout != -1) { opts.interrupt_rxcall = rx_InterruptCall; opts.offline_timeout = offline_timeout; } if (offline_shutdown_timeout == -1) { /* default to -offline-timeout, if shutdown-specific timeout is not * specified */ opts.offline_shutdown_timeout = offline_timeout; } else { opts.interrupt_rxcall = rx_InterruptCall; opts.offline_shutdown_timeout = offline_shutdown_timeout; } if (VInitVolumePackage2(fileServer, &opts)) { ViceLog(0, ("Shutting down: errors encountered initializing volume package\n")); VShutdown(); exit(1); } /* Install handler to catch the shutdown signal; * bosserver assumes SIGQUIT shutdown */ opr_softsig_Register(SIGQUIT, ShutDown_Signal); if (VInitAttachVolumes(fileServer)) { ViceLog(0, ("Shutting down: errors encountered initializing volume package\n")); VShutdown(); exit(1); } #ifdef AFS_DEMAND_ATTACH_FS if (fs_state.options.fs_state_restore) { /* * demand attach fs * restore fileserver state */ fs_stateRestore(); } rx_StartServer(0); /* now start handling requests */ #endif /* AFS_DEMAND_ATTACH_FS */ /* * We are done calling fopen/fdopen. It is safe to use a large * of the file descriptor cache. */ ih_UseLargeCache(); ViceLog(5, ("Starting pthreads\n")); opr_Verify(pthread_attr_init(&tattr) == 0); opr_Verify(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0); opr_Verify(pthread_create(&serverPid, &tattr, FiveMinuteCheckLWP, &fiveminutes) == 0); opr_Verify(pthread_create(&serverPid, &tattr, HostCheckLWP, &fiveminutes) == 0); opr_Verify(pthread_create(&serverPid, &tattr, FsyncCheckLWP, &fiveminutes) == 0); gettimeofday(&tp, 0); /* * Figure out the FileServer's name and primary address. */ ViceLog(0, ("Getting FileServer name...\n")); code = gethostname(FS_HostName, 64); if (code) { ViceLog(0, ("gethostname() failed\n")); } ViceLog(0, ("FileServer host name is '%s'\n", FS_HostName)); ViceLog(0, ("Getting FileServer address...\n")); he = gethostbyname(FS_HostName); if (!he) { ViceLog(0, ("Can't find address for FileServer '%s'\n", FS_HostName)); } else { memcpy(&FS_HostAddr_NBO, he->h_addr, 4); (void)afs_inet_ntoa_r(FS_HostAddr_NBO, hoststr); FS_HostAddr_HBO = ntohl(FS_HostAddr_NBO); ViceLog(0, ("FileServer %s has address %s (0x%x or 0x%x in host byte order)\n", FS_HostName, hoststr, FS_HostAddr_NBO, FS_HostAddr_HBO)); } t = tp.tv_sec; strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y", localtime_r(&t, &tm)); ViceLog(0, ("File Server started %s\n", tbuffer)); afs_FullPerfStats.det.epoch.tv_sec = StartTime = tp.tv_sec; while (1) { sleep(1000); /* long time */ } AFS_UNREACHED(return(0)); }