/* * 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 */ /* viced.c - File Server main loop */ /* */ /* Date: 5/1/85 */ /* */ /* Function - This routine has the initialization code for */ /* FileServer II */ /* */ /* ********************************************************************** */ #include #include RCSID ("$Header$"); #include #include #include #include #include /* signal(), kill(), wait(), etc. */ #include #ifdef AFS_NT40_ENV #include #include #include #include #else #include #include #include #include /* sysconf() */ #ifdef HAVE_STRING_H #include #else #ifdef HAVE_STRINGS_H #include #endif #endif #ifndef ITIMER_REAL #include #endif /* ITIMER_REAL */ #include #endif /* AFS_NT40_ENV */ #include #undef SHARED #include #include #ifdef AFS_PTHREAD_ENV #include #else /* AFS_PTHREAD_ENV */ #include #endif /* AFS_PTHREAD_ENV */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef AFS_NT40_ENV #include #endif #include "viced.h" #include "host.h" #ifdef AFS_PTHREAD_ENV #include "softsig.h" #endif #if defined(AFS_SGI_ENV) #include "sys/schedctl.h" #include "sys/lock.h" #endif #include #ifdef O_LARGEFILE #define afs_stat stat64 #define afs_fstat fstat64 #define afs_open open64 #define afs_fopen fopen64 #else /* !O_LARGEFILE */ #define afs_stat stat #define afs_fstat fstat #define afs_open open #define afs_fopen fopen #endif /* !O_LARGEFILE */ extern int BreakVolumeCallBacks(), InitCallBack(); extern int BreakVolumeCallBacks(), InitCallBack(), BreakLaterCallBacks(); extern int BreakVolumeCallBacksLater(); extern int LogLevel, etext; extern afs_int32 BlocksSpare, PctSpare; void ShutDown(void); static void ClearXStatValues(), NewParms(), PrintCounters(); static void ResetCheckDescriptors(void), ResetCheckSignal(void); static void CheckSignal(void); extern int GetKeysFromToken(); extern int RXAFS_ExecuteRequest(); extern int RXSTATS_ExecuteRequest(); afs_int32 Do_VLRegisterRPC(); int eventlog = 0, rxlog = 0; FILE *debugFile; FILE *console = NULL; #ifdef AFS_PTHREAD_ENV pthread_mutex_t fsync_glock_mutex; pthread_cond_t fsync_cond; #else char fsync_wait[1]; #endif /* AFS_PTHREAD_ENV */ #ifdef AFS_NT40_ENV #define AFS_QUIETFS_ENV 1 #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; int Testing = 0; /* for ListViceInodes */ /* * Home for the performance statistics. */ struct afs_PerfStats afs_perfstats; extern int LogLevel; extern int Statistics; int busyonrst = 1; int timeout = 30; int SawSpare; int SawPctSpare; int debuglevel = 0; int printBanner = 0; int rxJumbograms = 1; /* default is to send and receive jumbograms. */ afs_int32 implicitAdminRights = PRSFS_LOOKUP; /* The ADMINISTER right is * already implied */ afs_int32 readonlyServer = 0; int stack = 24; 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; 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 */ struct timeval tp; /* * 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"; 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; static void FlagMsg(); /* * Home for the performance statistics. */ /* DEBUG HACK */ static void CheckDescriptors() { #ifndef AFS_NT40_ENV struct afs_stat status; register int tsize = getdtablesize(); register 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, status.st_dev, status.st_ino, status.st_size, status.st_mode); } } fflush(stdout); ResetCheckDescriptors(); #endif } /*CheckDescriptors */ #ifdef AFS_PTHREAD_ENV void CheckSignal_Signal(x) { CheckSignal(); } void ShutDown_Signal(x) { ShutDown(); } void CheckDescriptors_Signal(x) { CheckDescriptors(); } #else /* AFS_PTHREAD_ENV */ void CheckSignal_Signal(x) { IOMGR_SoftSig(CheckSignal, 0); } void ShutDown_Signal(x) { IOMGR_SoftSig(ShutDown, 0); } void CheckDescriptors_Signal(x) { IOMGR_SoftSig(CheckDescriptors, 0); } #endif /* AFS_PTHREAD_ENV */ /* check whether caller is authorized to manage RX statistics */ int fs_rxstat_userok(struct rx_call *call) { return afsconf_SuperUser(confDir, call, NULL); } static void ResetCheckSignal(void) { int signo; #if defined(AFS_HPUX_ENV) signo = SIGPOLL; #else #if defined(AFS_NT40_ENV) signo = SIGUSR2; #else signo = SIGXCPU; #endif #endif #if defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV) softsig_signal(signo, CheckSignal_Signal); #else signal(signo, CheckSignal_Signal); #endif } static void ResetCheckDescriptors(void) { #ifndef AFS_NT40_ENV #if defined(AFS_PTHREAD_ENV) softsig_signal(SIGTERM, CheckDescriptors_Signal); #else (void)signal(SIGTERM, CheckDescriptors_Signal); #endif #endif } /* proc called by rxkad module to get a key */ static int get_key(char *arock, register afs_int32 akvno, char *akey) { /* find the key */ static struct afsconf_key tkey; register afs_int32 code; if (!confDir) { ViceLog(0, ("conf dir not open\n")); return 1; } code = afsconf_GetKey(confDir, akvno, tkey.key); if (code) return code; memcpy(akey, tkey.key, sizeof(tkey.key)); return 0; } /*get_key */ #ifndef AFS_NT40_ENV int viced_syscall(afs_uint32 a3, afs_uint32 a4, void *a5) { afs_uint32 rcode; void (*old) (); #ifndef AFS_LINUX20_ENV old = (void (*)())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() { int fd = 0; 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))) { /* or the open fails */ strcpy(adminName, "System:Administrators"); /* use the default name */ } else { (void)read(fd, adminName, status.st_size); /* use name from the file */ } if (fd) close(fd); /* close fd if it was opened */ } /*CheckAdminName */ static void setThreadId(char *s) { #if defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV) /* set our 'thread-id' so that the host hold table works */ MUTEX_ENTER(&rx_stats_mutex); /* protects rxi_pthread_hinum */ ++rxi_pthread_hinum; pthread_setspecific(rx_thread_id_key, (void *)rxi_pthread_hinum); MUTEX_EXIT(&rx_stats_mutex); ViceLog(0, ("Set thread id %d for '%s'\n", pthread_getspecific(rx_thread_id_key), s)); #endif } /* This LWP does things roughly every 5 minutes */ static void FiveMinuteCheckLWP() { static int msg = 0; char tbuffer[32]; ViceLog(1, ("Starting five minute check process\n")); setThreadId("FiveMinuteCheckLWP"); while (1) { #ifdef AFS_PTHREAD_ENV sleep(fiveminutes); #else /* AFS_PTHREAD_ENV */ IOMGR_Sleep(fiveminutes); #endif /* AFS_PTHREAD_ENV */ /* close the log so it can be removed */ ReOpenLog(AFSDIR_SERVER_FILELOG_FILEPATH); /* 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 */ #ifndef AFS_PTHREAD_ENV LWP_NoYieldSignal(fsync_wait); #endif if (printBanner && (++msg & 1)) { /* Every 10 minutes */ time_t now = FT_ApproxTime(); if (console != NULL) { #ifndef AFS_QUIETFS_ENV fprintf(console, "File server is running at %s\r", afs_ctime(&now, tbuffer, sizeof(tbuffer))); #endif /* AFS_QUIETFS_ENV */ ViceLog(2, ("File server is running at %s\n", afs_ctime(&now, tbuffer, sizeof(tbuffer)))); } } } } /*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() { ViceLog(1, ("Starting Host check process\n")); setThreadId("HostCheckLWP"); while (1) { #ifdef AFS_PTHREAD_ENV sleep(fiveminutes); #else /* AFS_PTHREAD_ENV */ IOMGR_Sleep(fiveminutes); #endif /* AFS_PTHREAD_ENV */ ViceLog(2, ("Checking for dead venii & clients\n")); h_CheckHosts(); } } /*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 FsyncCheckLWP() { afs_int32 code; #ifdef AFS_PTHREAD_ENV struct timespec fsync_next; #endif ViceLog(1, ("Starting fsync check process\n")); setThreadId("FsyncCheckLWP"); #ifdef AFS_PTHREAD_ENV assert(pthread_cond_init(&fsync_cond, NULL) == 0); assert(pthread_mutex_init(&fsync_glock_mutex, NULL) == 0); #endif while (1) { FSYNC_LOCK; #ifdef AFS_PTHREAD_ENV /* rounding is fine */ fsync_next.tv_nsec = 0; fsync_next.tv_sec = time(0) + fiveminutes; code = pthread_cond_timedwait(&fsync_cond, &fsync_glock_mutex, &fsync_next); if (code != 0 && code != ETIMEDOUT) ViceLog(0, ("pthread_cond_timedwait returned %d\n", code)); #else /* AFS_PTHREAD_ENV */ if ((code = LWP_WaitProcess(fsync_wait)) != LWP_SUCCESS) ViceLog(0, ("LWP_WaitProcess returned %d\n", code)); #endif /* AFS_PTHREAD_ENV */ FSYNC_UNLOCK; ViceLog(2, ("Checking for fsync events\n")); do { code = BreakLaterCallBacks(); } while (code != 0); } } /*------------------------------------------------------------------------ * 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() { /*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((char *)(&afs_perfstats), 0, sizeof(struct afs_PerfStats)); #if FS_STATS_DETAILED memset((char *)(&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 */ #endif } /*ClearXStatValues */ static void PrintCounters() { int dirbuff, dircall, dirio; struct timeval tpl; int workstations, activeworkstations, delworkstations; int processSize = 0; char tbuffer[32]; TM_GetTimeOfDay(&tpl, 0); Statistics = 1; ViceLog(0, ("Vice was last started at %s\n", afs_ctime(&StartTime, tbuffer, sizeof(tbuffer)))); 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); h_PrintStats(); PrintCallBackStats(); #ifdef AFS_NT40_ENV processSize = -1; /* TODO: */ #else processSize = (int)((long)sbrk(0) >> 10); #endif 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)); Statistics = 0; } /*PrintCounters */ static void CheckSignal() { 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(); ResetCheckSignal(); } /*CheckSignal */ void ShutDownAndCore(int dopanic) { time_t now = time(0); char tbuffer[32]; ViceLog(0, ("Shutting down file server at %s", afs_ctime(&now, tbuffer, sizeof(tbuffer)))); if (dopanic) ViceLog(0, ("ABNORMAL SHUTDOWN, see core file.\n")); #ifndef AFS_QUIETFS_ENV if (console != NULL) { fprintf(console, "File server restart/shutdown received at %s\r", afs_ctime(&now, tbuffer, sizeof(tbuffer))); } #endif DFlush(); if (!dopanic) PrintCounters(); /* 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 */ VShutdown(); if (debugFile) { rx_PrintStats(debugFile); fflush(debugFile); } if (console != NULL) { now = time(0); if (dopanic) { #ifndef AFS_QUIETFS_ENV fprintf(console, "File server has terminated abnormally at %s\r", afs_ctime(&now, tbuffer, sizeof(tbuffer))); #endif ViceLog(0, ("File server has terminated abnormally at %s\n", afs_ctime(&now, tbuffer, sizeof(tbuffer)))); } else { #ifndef AFS_QUIETFS_ENV fprintf(console, "File server has terminated normally at %s\r", afs_ctime(&now, tbuffer, sizeof(tbuffer))); #endif ViceLog(0, ("File server has terminated normally at %s\n", afs_ctime(&now, tbuffer, sizeof(tbuffer)))); } } exit(0); } /*ShutDown */ void ShutDown(void) { /* backward compatibility */ ShutDownAndCore(DONTPANIC); } static void FlagMsg() { char buffer[1024]; /* default supports help flag */ strcpy(buffer, "Usage: fileserver "); strcat(buffer, "[-d ] "); strcat(buffer, "[-p ] "); strcat(buffer, "[-spare ] "); strcat(buffer, "[-pctspare ] "); strcat(buffer, "[-b ] "); strcat(buffer, "[-l ] "); strcat(buffer, "[-s ] "); strcat(buffer, "[-vc ] "); strcat(buffer, "[-w ] "); strcat(buffer, "[-cb ] "); strcat(buffer, "[-banner (print banner every 10 minutes)] "); strcat(buffer, "[-novbc (whole volume cbs disabled)] "); strcat(buffer, "[-implicit ] "); strcat(buffer, "[-readonly (read-only file server)] "); strcat(buffer, "[-hr ] "); strcat(buffer, "[-busyat n>] "); strcat(buffer, "[-nobusy ] "); strcat(buffer, "[-rxpck ] "); strcat(buffer, "[-rxdbg (enable rx debugging)] "); strcat(buffer, "[-rxdbge (enable rxevent debugging)] "); #ifdef AFS_AIX32_ENV strcat(buffer, "[-m ] "); #endif #if defined(AFS_SGI_ENV) strcat(buffer, "[-lock (keep fileserver from swapping)] "); #endif strcat(buffer, "[-L (large server conf)] "); strcat(buffer, "[-S (small server conf)] "); strcat(buffer, "[-k ] "); strcat(buffer, "[-realm ] "); strcat(buffer, "[-udpsize ] "); strcat(buffer, "[-sendsize ] "); /* strcat(buffer, "[-enable_peer_stats] "); */ /* strcat(buffer, "[-enable_process_stats] "); */ strcat(buffer, "[-help]\n"); /* ViceLog(0, ("%s", buffer)); */ printf("%s", buffer); fflush(stdout); } /*FlagMsg */ 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 * DUX: sysconf() limit is apparently NOT real -- too big * Linux: sysconf() limit is apparently NOT real -- too big * Solaris: no sysconf() limit */ static int max_fileserver_thread(void) { #if defined(AFS_PTHREAD_ENV) #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 #endif /* defined(AFS_PTHREAD_ENV) */ return MAX_FILESERVER_THREAD; } static int ParseArgs(int argc, char *argv[]) { int SawL = 0, SawS = 0, SawVC = 0; int Sawrxpck = 0, Sawsmall = 0, Sawlarge = 0, Sawcbs = 0, Sawlwps = 0, Sawbufs = 0; int Sawbusy = 0; int i; int bufSize = 0; /* temp variable to read in udp socket buf size */ for (i = 1; i < argc; i++) { if (!strcmp(argv[i], "-d")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -d\n"); return -1; } debuglevel = atoi(argv[++i]); LogLevel = debuglevel; } else if (!strcmp(argv[i], "-banner")) { printBanner = 1; } else if (!strcmp(argv[i], "-implicit")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -implicit\n"); return -1; } implicitAdminRights = ParseRights(argv[++i]); if (implicitAdminRights < 0) return implicitAdminRights; } else if (!strcmp(argv[i], "-readonly")) { readonlyServer = 1; } else if (!strcmp(argv[i], "-L")) { SawL = 1; } else if (!strcmp(argv[i], "-S")) { SawS = 1; } else if (!strcmp(argv[i], "-p")) { int lwps_max = max_fileserver_thread() - FILESERVER_HELPER_THREADS; Sawlwps = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -p\n"); return -1; } lwps = atoi(argv[++i]); if (lwps > lwps_max) lwps = lwps_max; else if (lwps < 6) lwps = 6; } else if (!strcmp(argv[i], "-b")) { Sawbufs = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -b\n"); return -1; } buffs = atoi(argv[++i]); } else if (!strcmp(argv[i], "-l")) { Sawlarge = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -l\n"); return -1; } large = atoi(argv[++i]); } else if (!strcmp(argv[i], "-vc")) { SawVC = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -vc\n"); return -1; } volcache = atoi(argv[++i]); } else if (!strcmp(argv[i], "-novbc")) { novbc = 1; } else if (!strcmp(argv[i], "-rxpck")) { Sawrxpck = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -rxpck\n"); return -1; } rxpackets = atoi(argv[++i]); } else if (!strcmp(argv[i], "-s")) { Sawsmall = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -s\n"); return -1; } nSmallVns = atoi(argv[++i]); } else if (!strcmp(argv[i], "-abortthreshold")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -abortthreshold\n"); return -1; } abort_threshold = atoi(argv[++i]); } else if (!strcmp(argv[i], "-k")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -k\n"); return -1; } stack = atoi(argv[++i]); } #if defined(AFS_SGI_ENV) else if (!strcmp(argv[i], "-lock")) { SawLock = 1; } #endif else if (!strcmp(argv[i], "-spare")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -spare\n"); return -1; } BlocksSpare = atoi(argv[++i]); SawSpare = 1; } else if (!strcmp(argv[i], "-pctspare")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -pctspare\n"); return -1; } PctSpare = atoi(argv[++i]); BlocksSpare = 0; /* has non-zero default */ SawPctSpare = 1; } else if (!strcmp(argv[i], "-w")) { if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -w\n"); return -1; } fiveminutes = atoi(argv[++i]); } else if (!strcmp(argv[i], "-hr")) { int hr; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -hr\n"); return -1; } hr = atoi(argv[++i]); if ((hr < 1) || (hr > 36)) { printf ("host acl refresh interval of %d hours is invalid; hours must be between 1 and 36\n\n", hr); return -1; } hostaclRefresh = hr * 60 * 60; } else if (!strcmp(argv[i], "-rxdbg")) rxlog = 1; else if (!strcmp(argv[i], "-rxdbge")) eventlog = 1; else if (!strcmp(argv[i], "-cb")) { Sawcbs = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -cb\n"); return -1; } numberofcbs = atoi(argv[++i]); if ((numberofcbs < 10000) || (numberofcbs > 2147483647)) { printf ("number of cbs %d invalid; must be between 10000 and 2147483647\n", numberofcbs); return -1; } } else if (!strcmp(argv[i], "-busyat")) { Sawbusy = 1; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -busyat\n"); return -1; } busy_threshold = atoi(argv[++i]); if (busy_threshold < 10) { printf ("Busy threshold %d is too low, will compute default.\n", busy_threshold); Sawbusy = 0; } } else if (!strcmp(argv[i], "-nobusy")) busyonrst = 0; #ifdef AFS_AIX32_ENV else if (!strcmp(argv[i], "-m")) { extern int aixlow_water; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -m\n"); return -1; } aixlow_water = atoi(argv[++i]); if ((aixlow_water < 0) || (aixlow_water > 30)) { printf("space reserved %d% invalid; must be between 0-30%\n", aixlow_water); return -1; } } #endif else if (!strcmp(argv[i], "-nojumbo")) { rxJumbograms = 0; } else if (!strcmp(argv[i], "-realm")) { extern char local_realm[AFS_REALM_SZ]; if ((i + 1) >= argc) { fprintf(stderr, "missing argument for -realm\n"); return -1; } if (strlen(argv[++i]) >= AFS_REALM_SZ) { printf ("-realm argument must contain fewer than %d characters.\n", AFS_REALM_SZ); return -1; } strncpy(local_realm, argv[i], AFS_REALM_SZ); } else if (!strcmp(argv[i], "-udpsize")) { if ((i + 1) >= argc) { printf("You have to specify -udpsize \n"); return -1; } bufSize = atoi(argv[++i]); if (bufSize < rx_GetMinUdpBufSize()) printf ("Warning:udpsize %d is less than minimum %d; ignoring\n", bufSize, rx_GetMinUdpBufSize()); else udpBufSize = bufSize; } else if (!strcmp(argv[i], "-sendsize")) { if ((i + 1) >= argc) { printf("You have to specify -sendsize \n"); return -1; } bufSize = atoi(argv[++i]); if (bufSize < 16384) printf ("Warning:sendsize %d is less than minimum %d; ignoring\n", bufSize, 16384); else sendBufSize = bufSize; } else if (!strcmp(argv[i], "-enable_peer_stats")) { rx_enablePeerRPCStats(); } else if (!strcmp(argv[i], "-enable_process_stats")) { rx_enableProcessRPCStats(); } #ifndef AFS_NT40_ENV else if (strcmp(argv[i], "-syslog") == 0) { /* set syslog logging flag */ serverLogSyslog = 1; } else if (strncmp(argv[i], "-syslog=", 8) == 0) { serverLogSyslog = 1; serverLogSyslogFacility = atoi(argv[i] + 8); } #endif else { return (-1); } } if (SawS && SawL) { printf("Only one of -L, or -S must be specified\n"); return -1; } if (SawS) { if (!Sawrxpck) rxpackets = 100; if (!Sawsmall) nSmallVns = 200; if (!Sawlarge) large = 200; if (!Sawcbs) numberofcbs = 20000; if (!Sawlwps) lwps = 6; if (!Sawbufs) buffs = 70; if (!SawVC) volcache = 200; } if (SawL) { if (!Sawrxpck) rxpackets = 200; if (!Sawsmall) nSmallVns = 600; if (!Sawlarge) large = 600; if (!Sawcbs) numberofcbs = 64000; if (!Sawlwps) lwps = 12; if (!Sawbufs) buffs = 120; if (!SawVC) volcache = 600; } if (!Sawbusy) busy_threshold = 3 * rxpackets / 2; return (0); } /*ParseArgs */ #define MAXPARMS 15 static void NewParms(int initializing) { static struct afs_stat sbuf; register int i, fd; char *parms; char *argv[MAXPARMS]; register int argc; if (!(afs_stat("/vice/file/parms", &sbuf))) { parms = (char *)malloc(sbuf.st_size); if (!parms) return; fd = afs_open("parms", O_RDONLY, 0666); if (fd <= 0) { ViceLog(0, ("Open for parms failed with errno = %d\n", errno)); return; } i = read(fd, parms, sbuf.st_size); close(fd); if (i != sbuf.st_size) { if (i < 0) { ViceLog(0, ("Read on parms failed with errno = %d\n", errno)); } else { ViceLog(0, ("Read on parms failed; expected %d bytes but read %d\n", sbuf.st_size, i)); } free(parms); return; } for (i = 0; i < MAXPARMS; argv[i++] = 0); for (argc = i = 0; i < sbuf.st_size; i++) { if ((*(parms + i) != ' ') && (*(parms + i) != '\n')) { if (argv[argc] == 0) argv[argc] = (parms + i); } else { *(parms + i) = '\0'; if (argv[argc] != 0) { if (++argc == MAXPARMS) break; } while ((*(parms + i + 1) == ' ') || (*(parms + i + 1) == '\n')) i++; } } if (ParseArgs(argc, argv) == 0) { ViceLog(0, ("Change parameters to:")); } else { ViceLog(0, ("Invalid parameter in:")); } for (i = 0; i < argc; i++) { ViceLog(0, (" %s", argv[i])); } ViceLog(0, ("\n")); free(parms); } else if (!initializing) ViceLog(0, ("Received request to change parms but no parms file exists\n")); } /*NewParms */ /* Miscellaneous routines */ void Die(char *msg) { ViceLog(0, ("%s\n", msg)); assert(0); } /*Die */ afs_int32 InitPR() { register 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; } 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: #ifdef AFS_PTHREAD_ENV sleep(30); #else /* AFS_PTHREAD_ENV */ IOMGR_Sleep(30); #endif /* AFS_PTHREAD_ENV */ } } /*InitPR */ struct rx_connection *serverconns[MAXSERVERS]; struct ubik_client *cstruct; afs_int32 vl_Initialize(char *confDir) { afs_int32 code, scIndex = 0, i; struct afsconf_dir *tdir; struct rx_securityClass *sc; struct afsconf_cell info; tdir = afsconf_Open(confDir); if (!tdir) { ViceLog(0, ("Could not open configuration directory (%s).\n", confDir)); exit(1); } code = afsconf_ClientAuth(tdir, &sc, &scIndex); if (code) { ViceLog(0, ("Could not get security object for localAuth\n")); exit(1); } code = afsconf_GetCellInfo(tdir, NULL, AFSCONF_VLDBSERVICE, &info); 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() { 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 ((i = 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 ((i = 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 ((i = 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; } 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; } } close(fd); return 0; } afs_int32 WriteSysIdFile() { 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 */ renamefile(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. */ afs_int32 Do_VLRegisterRPC() { register int code; bulkaddrs addrs; extern int VL_RegisterAddrs(); 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_Call(VL_RegisterAddrs, cstruct, 0, &FS_HostUUID, 0, &addrs); if (code) { if (code == VL_MULTIPADDR) { ViceLog(0, ("VL_RegisterAddrs rpc failed; The ethernet address exist 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)); } } else { FS_registered = 2; /* So we don't have to retry in the gc daemon */ WriteSysIdFile(); } return 0; } afs_int32 InitVL() { afs_int32 code; extern int rxi_numNetAddrs; extern afs_uint32 rxi_NetAddrs[]; /* * If this fails, it's because something major is wrong, and is not * likely to be time dependent. */ code = vl_Initialize(AFSDIR_SERVER_ETC_DIRPATH); if (code != 0) { ViceLog(0, ("Couldn't initialize protection 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. */ #ifndef AFS_NT40_ENV 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 = 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 #endif { FS_HostAddr_cnt = rx_getAllAddr(FS_HostAddrs, ADDRSPERSITE); } FS_registered = 1; code = Do_VLRegisterRPC(); return code; } int main(int argc, char *argv[]) { afs_int32 code; char tbuffer[32]; struct rx_securityClass *sc[4]; struct rx_service *tservice; #ifdef AFS_PTHREAD_ENV pthread_t serverPid; pthread_attr_t tattr; #else /* AFS_PTHREAD_ENV */ PROCESS parentPid, serverPid; #endif /* AFS_PTHREAD_ENV */ 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; #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 /* 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); } #ifndef AFS_QUIETFS_ENV console = afs_fopen("/dev/console", "w"); #endif if (ParseArgs(argc, argv)) { FlagMsg(); exit(-1); } #ifdef AFS_PTHREAD_ENV assert(pthread_mutex_init(&fileproc_glock_mutex, NULL) == 0); #endif /* AFS_PTHREAD_ENV */ #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(AFSDIR_SERVER_ETC_DIRPATH); if (!confDir) { fprintf(stderr, "Unable to open config directory %s\n", AFSDIR_SERVER_ETC_DIRPATH); exit(-1); } NewParms(1); /* Open FileLog on stdout, stderr, fd 1 and fd2 (for perror), sigh. */ #ifndef AFS_NT40_ENV serverLogSyslogTag = "fileserver"; #endif OpenLog(AFSDIR_SERVER_FILELOG_FILEPATH); SetupLogSignals(); if (SawSpare && SawPctSpare) { ViceLog(0, ("Both -spare and -pctspare specified, exiting.\n")); exit(-1); } #ifdef AFS_SGI_XFS_IOPS_ENV ViceLog(0, ("XFS/EFS File server starting\n")); #else ViceLog(0, ("File server starting\n")); #endif #if defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV) /* initialize the pthread soft signal handler thread */ softsig_init(); #endif /* install signal handlers for controlling the fileserver process */ ResetCheckSignal(); /* set CheckSignal_Signal() sig handler */ ResetCheckDescriptors(); /* set CheckDescriptors_Signal() sig handler */ #if defined(AFS_SGI_ENV) /* give this guy a non-degrading priority so help busy servers */ schedctl(NDPRI, 0, NDPNORMMAX); if (SawLock) plock(PROCLOCK); #else #ifndef AFS_NT40_ENV nice(-5); /* TODO: */ #endif #endif assert(DInit(buffs) == 0); #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 */ ViceLog(0, ("The system supports a max of %d open files and we are starting %d threads\n", curLimit, lwps)); } #ifndef AFS_PTHREAD_ENV assert(LWP_InitializeProcessSupport(LWP_MAX_PRIORITY - 2, &parentPid) == LWP_SUCCESS); #endif /* !AFS_PTHREAD_ENV */ /* Initialize volume support */ if (!novbc) { V_BreakVolumeCallbacks = BreakVolumeCallBacksLater; } /* initialize libacl routines */ acl_Initialize(ACL_VERSION); /* initialize RX support */ #ifndef AFS_NT40_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); stackSize = lwps * 4000; if (stackSize < 32000) stackSize = 32000; else if (stackSize > 44000) stackSize = 44000; #if defined(AFS_HPUX_ENV) || defined(AFS_SUN_ENV) || defined(AFS_SGI51_ENV) rx_SetStackSize(1, stackSize); #endif if (udpBufSize) rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */ if (rx_Init((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(); } rx_GetIFInfo(); rx_SetRxDeadTime(30); sc[0] = rxnull_NewServerSecurityObject(); sc[1] = 0; /* rxvab_NewServerSecurityObject(key1, 0) */ sc[2] = rxkad_NewServerSecurityObject(rxkad_clear, NULL, get_key, NULL); sc[3] = rxkad_NewServerSecurityObject(rxkad_crypt, NULL, get_key, NULL); tservice = rx_NewService( /* port */ 0, /* service id */ 1, /*service name */ "AFS", /* security classes */ sc, /* numb sec classes */ 4, RXAFS_ExecuteRequest); if (!tservice) { ViceLog(0, ("Failed to initialize RX, probably two servers running.\n")); exit(-1); } rx_SetDestroyConnProc(tservice, (void (*)())h_FreeConnection); rx_SetMinProcs(tservice, 3); rx_SetMaxProcs(tservice, lwps); rx_SetCheckReach(tservice, 1); tservice = rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", sc, 4, RXSTATS_ExecuteRequest); if (!tservice) { ViceLog(0, ("Failed to initialize rpc stat service.\n")); exit(-1); } rx_SetMinProcs(tservice, 2); rx_SetMaxProcs(tservice, 4); /* * Enable RX hot threads, which allows the listener thread to trade * places with an idle thread and moves the context switch from listener * to worker out of the critical path. */ rx_EnableHotThread(); /* 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(); /* set up local cellname and realmname */ InitCallBack(numberofcbs); ClearXStatValues(); code = InitVL(); if (code) { ViceLog(0, ("Fatal error in library initialization, exiting!!\n")); exit(1); } code = InitPR(); if (code) { ViceLog(0, ("Fatal error in protection initialization, exiting!!\n")); exit(1); } /* allow super users to manage RX statistics */ rx_SetRxStatUserOk(fs_rxstat_userok); rx_StartServer(0); /* now start handling requests */ /* 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. */ if (VInitVolumePackage(fileServer, large, nSmallVns, 0, volcache)) { ViceLog(0, ("Shutting down: errors encountered initializing volume package\n")); VShutdown(); exit(1); } /* * We are done calling fopen/fdopen. It is safe to use a large * of the file descriptor cache. */ ih_UseLargeCache(); #ifdef AFS_PTHREAD_ENV ViceLog(5, ("Starting pthreads\n")); assert(pthread_attr_init(&tattr) == 0); assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0); assert(pthread_create (&serverPid, &tattr, (void *)FiveMinuteCheckLWP, &fiveminutes) == 0); assert(pthread_create (&serverPid, &tattr, (void *)HostCheckLWP, &fiveminutes) == 0); assert(pthread_create (&serverPid, &tattr, (void *)FsyncCheckLWP, &fiveminutes) == 0); #else /* AFS_PTHREAD_ENV */ ViceLog(5, ("Starting LWP\n")); assert(LWP_CreateProcess (FiveMinuteCheckLWP, stack * 1024, LWP_MAX_PRIORITY - 2, (void *)&fiveminutes, "FiveMinuteChecks", &serverPid) == LWP_SUCCESS); assert(LWP_CreateProcess (HostCheckLWP, stack * 1024, LWP_MAX_PRIORITY - 2, (void *)&fiveminutes, "HostCheck", &serverPid) == LWP_SUCCESS); assert(LWP_CreateProcess (FsyncCheckLWP, stack * 1024, LWP_MAX_PRIORITY - 2, (void *)&fiveminutes, "FsyncCheck", &serverPid) == LWP_SUCCESS); #endif /* AFS_PTHREAD_ENV */ TM_GetTimeOfDay(&tp, 0); #ifndef AFS_QUIETFS_ENV if (console != NULL) { fprintf(console, "File server has started at %s\r", afs_ctime(&tp.tv_sec, tbuffer, sizeof(tbuffer))); } #endif /* * 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 { char hoststr[16]; 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)); } /* Install handler to catch the shutdown signal; * bosserver assumes SIGQUIT shutdown */ #if defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV) softsig_signal(SIGQUIT, ShutDown_Signal); #else (void)signal(SIGQUIT, ShutDown_Signal); #endif ViceLog(0, ("File Server started %s", afs_ctime(&tp.tv_sec, tbuffer, sizeof(tbuffer)))); #if FS_STATS_DETAILED afs_FullPerfStats.det.epoch.tv_sec = StartTime = tp.tv_sec; #endif #ifdef AFS_PTHREAD_ENV while (1) { sleep(1000); /* long time */ } #else /* AFS_PTHREAD_ENV */ assert(LWP_WaitProcess(&parentPid) == LWP_SUCCESS); #endif /* AFS_PTHREAD_ENV */ }