2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
14 #include <sys/types.h>
20 #include <WINNT/afsevent.h>
24 #include <netinet/in.h>
28 #include <afs/afsint.h>
31 #ifdef AFS_PTHREAD_ENV
33 #else /* AFS_PTHREAD_ENV */
34 #include <afs/assert.h>
35 #endif /* AFS_PTHREAD_ENV */
36 #include <afs/prs_fs.h>
40 #include <afs/afssyscalls.h>
41 #include <afs/ihandle.h>
43 #include <afs/ntops.h>
45 #include <afs/vnode.h>
46 #include <afs/volume.h>
47 #include <afs/partition.h>
49 #include <rx/rx_globals.h>
51 #include <afs/cellconfig.h>
60 #include <afs/audit.h>
61 #include <afs/afsutil.h>
65 #include "volser_prototypes.h"
67 /*@printflike@*/ extern void Log(const char *format, ...);
68 /*@printflike@*/ extern void Abort(const char *format, ...);
70 #define VolserVersion "2.0"
71 #define N_SECURITY_OBJECTS 3
73 extern struct Lock localLock;
74 char *GlobalNameHack = NULL;
76 afs_int32 GlobalVolCloneId, GlobalVolParentId;
78 int VolumeChanged; /* XXXX */
79 static char busyFlags[MAXHELPERS];
80 struct volser_trans *QI_GlobalWriteTrans = 0;
81 extern int AFSVolExecuteRequest(struct rx_call*);
82 extern int RXSTATS_ExecuteRequest(struct rx_call*);
83 struct afsconf_dir *tdir;
84 static afs_int32 runningCalls = 0;
89 int udpBufSize = 0; /* UDP buffer size for receive */
92 int rxkadDisableDotCheck = 0;
94 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
95 afs_uint32 SHostAddrs[ADDRSPERSITE];
97 #define VS_EXIT(code) { \
98 osi_audit(VS_ExitEvent, code, AUD_END); \
102 #if defined(AFS_PTHREAD_ENV)
106 return (int)pthread_getspecific(rx_thread_id_key);
111 MyBeforeProc(struct rx_call *acall)
120 MyAfterProc(struct rx_call *acall, afs_int32 code)
128 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
129 * if we're idle and there are no active transactions
134 /* if there are no running calls, and there are no active transactions, then
135 * it should be safe to release any partition locks we've accumulated */
137 if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
139 VPFullUnlock(); /* in volprocs.c */
144 /* background daemon for timing out transactions */
146 BKGLoop(void *unused)
152 tv.tv_sec = GCWAKEUP;
154 #ifdef AFS_PTHREAD_ENV
155 select(0, 0, 0, 0, &tv);
157 (void)IOMGR_Select(0, 0, 0, 0, &tv);
162 if (loop == 10) { /* reopen log every 5 minutes */
164 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
171 /* Background daemon for sleeping so the volserver does not become I/O bound */
172 afs_int32 TTsleep, TTrun;
174 BKGSleep(void *unused)
176 struct volser_trans *tt;
180 #ifdef AFS_PTHREAD_ENV
182 #else /* AFS_PTHREAD_ENV */
186 for (tt = TransList(); tt; tt = tt->next) {
187 if ((strcmp(tt->lastProcName, "DeleteVolume") == 0)
188 || (strcmp(tt->lastProcName, "Clone") == 0)
189 || (strcmp(tt->lastProcName, "ReClone") == 0)
190 || (strcmp(tt->lastProcName, "Forward") == 0)
191 || (strcmp(tt->lastProcName, "Restore") == 0)
192 || (strcmp(tt->lastProcName, "ForwardMulti") == 0))
207 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
210 #ifndef AFS_LINUX20_ENV
213 old = signal(SIGSYS, SIG_IGN);
216 syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
218 #ifndef AFS_LINUX20_ENV
227 /* check whether caller is authorized to manage RX statistics */
229 vol_rxstat_userok(struct rx_call *call)
231 return afsconf_SuperUser(tdir, call, NULL);
234 #include "AFS_component_version_number.c"
236 main(int argc, char **argv)
238 register afs_int32 code;
239 struct rx_securityClass *(securityObjects[3]);
240 struct rx_service *service;
241 struct ktc_encryptionKey tkey;
243 char commandLine[150];
245 int rxJumbograms = 0; /* default is to send and receive jumbograms. */
247 int bufSize = 0; /* temp variable to read in udp socket buf size */
248 afs_uint32 host = ntohl(INADDR_ANY);
249 char *auditFileName = NULL;
253 * The following signal action for AIX is necessary so that in case of a
254 * crash (i.e. core is generated) we can include the user's data section
255 * in the core dump. Unfortunately, by default, only a partial core is
256 * generated which, in many cases, isn't too useful.
258 struct sigaction nsa;
260 sigemptyset(&nsa.sa_mask);
261 nsa.sa_handler = SIG_DFL;
262 nsa.sa_flags = SA_FULLDUMP;
263 sigaction(SIGABRT, &nsa, NULL);
264 sigaction(SIGSEGV, &nsa, NULL);
267 osi_audit(VS_StartEvent, 0, AUD_END);
269 /* Initialize dirpaths */
270 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
272 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
274 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
279 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
281 strcat(commandLine, " ");
282 strcat(commandLine, argv[i]);
288 for (code = 1; code < argc; code++) {
289 if (strcmp(argv[code], "-log") == 0) {
290 /* set extra logging flag */
292 } else if (strcmp(argv[code], "-help") == 0) {
294 } else if (strcmp(argv[code], "-rxbind") == 0) {
296 } else if (strcmp(argv[code], "-allow-dotted-principals") == 0) {
297 rxkadDisableDotCheck = 1;
298 } else if (strcmp(argv[code], "-d") == 0) {
299 if ((code + 1) >= argc) {
300 fprintf(stderr, "missing argument for -d\n");
303 debuglevel = atoi(argv[++code]);
304 LogLevel = debuglevel;
305 } else if (strcmp(argv[code], "-p") == 0) {
306 lwps = atoi(argv[++code]);
308 printf("Warning: '-p %d' is too big; using %d instead\n",
312 } else if (strcmp(argv[code], "-auditlog") == 0) {
313 auditFileName = argv[++code];
315 } else if (strcmp(argv[code], "-audit-interface") == 0) {
316 char *interface = argv[++code];
318 if (osi_audit_interface(interface)) {
319 printf("Invalid audit interface '%s'\n", interface);
322 } else if (strcmp(argv[code], "-nojumbo") == 0) {
324 } else if (strcmp(argv[code], "-jumbo") == 0) {
326 } else if (!strcmp(argv[code], "-rxmaxmtu")) {
327 if ((code + 1) >= argc) {
328 fprintf(stderr, "missing argument for -rxmaxmtu\n");
331 rxMaxMTU = atoi(argv[++code]);
332 if ((rxMaxMTU < RX_MIN_PACKET_SIZE) ||
333 (rxMaxMTU > RX_MAX_PACKET_DATA_SIZE)) {
334 printf("rxMaxMTU %d invalid; must be between %d-%lu\n",
335 rxMaxMTU, RX_MIN_PACKET_SIZE,
336 RX_MAX_PACKET_DATA_SIZE);
339 } else if (strcmp(argv[code], "-sleep") == 0) {
340 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
341 if ((TTsleep < 0) || (TTrun <= 0)) {
342 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
346 } else if (strcmp(argv[code], "-udpsize") == 0) {
347 if ((code + 1) >= argc) {
348 printf("You have to specify -udpsize <integer value>\n");
351 sscanf(argv[++code], "%d", &bufSize);
352 if (bufSize < rx_GetMinUdpBufSize())
354 ("Warning:udpsize %d is less than minimum %d; ignoring\n",
355 bufSize, rx_GetMinUdpBufSize());
357 udpBufSize = bufSize;
358 } else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
359 rx_enablePeerRPCStats();
360 } else if (strcmp(argv[code], "-enable_process_stats") == 0) {
361 rx_enableProcessRPCStats();
364 else if (strcmp(argv[code], "-syslog") == 0) {
365 /* set syslog logging flag */
367 } else if (strncmp(argv[code], "-syslog=", 8) == 0) {
369 serverLogSyslogFacility = atoi(argv[code] + 8);
373 printf("volserver: unrecognized flag '%s'\n", argv[code]);
376 printf("Usage: volserver [-log] [-p <number of processes>] "
377 "[-auditlog <log path>] [-d <debug level>] "
378 "[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
379 "[-udpsize <size of socket buffer in bytes>] "
380 "[-syslog[=FACILITY]] "
381 "[-enable_peer_stats] [-enable_process_stats] "
384 printf("Usage: volserver [-log] [-p <number of processes>] "
385 "[-auditlog <log path>] [-d <debug level>] "
386 "[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
387 "[-udpsize <size of socket buffer in bytes>] "
388 "[-enable_peer_stats] [-enable_process_stats] "
396 osi_audit_file(auditFileName);
397 osi_audit(VS_StartEvent, 0, AUD_END);
399 #ifdef AFS_SGI_VNODE_GLUE
400 if (afs_init_kernel_config(-1) < 0) {
402 ("Can't determine NUMA configuration, not starting volserver.\n");
408 #ifdef AFS_PTHREAD_ENV
409 SetLogThreadNumProgram( threadNum );
413 if (afs_winsockInit() < 0) {
414 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
415 printf("Volume server unable to start winsock, exiting.\n");
419 /* Open VolserLog and map stdout, stderr into it; VInitVolumePackage can
420 log, so we need to do this here */
421 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
423 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
425 Lock_Init(&localLock);
427 #ifndef AFS_PTHREAD_ENV
428 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
431 rxi_syscallp = volser_syscall;
433 rx_nPackets = rxpackets; /* set the max number of packets */
435 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
438 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
439 AFSDIR_SERVER_NETINFO_FILEPATH) {
441 ccode = parseNetFiles(SHostAddrs, NULL, NULL,
442 ADDRSPERSITE, reason,
443 AFSDIR_SERVER_NETINFO_FILEPATH,
444 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
447 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
450 host = SHostAddrs[0];
453 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
455 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
460 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
463 if (rxMaxMTU != -1) {
464 rx_SetMaxMTU(rxMaxMTU);
467 rx_SetRxDeadTime(420);
468 memset(busyFlags, 0, sizeof(busyFlags));
473 #ifdef AFS_PTHREAD_ENV
475 pthread_attr_t tattr;
476 assert(pthread_attr_init(&tattr) == 0);
477 assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0);
479 assert(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
482 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
483 LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
487 /* Create a single security object, in this case the null security object, for unauthenticated connections, which will be used to control security on connections made to this server */
489 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
491 Abort("volser: could not open conf files in %s\n",
492 AFSDIR_SERVER_ETC_DIRPATH);
495 afsconf_GetKey(tdir, 999, &tkey);
496 securityObjects[0] = rxnull_NewServerSecurityObject();
497 securityObjects[1] = (struct rx_securityClass *)0; /* don't bother with rxvab */
499 rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, NULL);
500 if (securityObjects[0] == (struct rx_securityClass *)0)
501 Abort("rxnull_NewServerSecurityObject");
503 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityObjects, 3,
504 AFSVolExecuteRequest);
505 if (service == (struct rx_service *)0)
506 Abort("rx_NewService");
507 rx_SetBeforeProc(service, MyBeforeProc);
508 rx_SetAfterProc(service, MyAfterProc);
509 rx_SetIdleDeadTime(service, 0); /* never timeout */
512 rx_SetMaxProcs(service, lwps);
513 #if defined(AFS_XBSD_ENV)
514 rx_SetStackSize(service, (128 * 1024));
515 #elif defined(AFS_SGI_ENV)
516 rx_SetStackSize(service, (48 * 1024));
518 rx_SetStackSize(service, (32 * 1024));
521 if (rxkadDisableDotCheck) {
522 rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
523 (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
527 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3,
528 RXSTATS_ExecuteRequest);
529 if (service == (struct rx_service *)0)
530 Abort("rx_NewService");
531 rx_SetMinProcs(service, 2);
532 rx_SetMaxProcs(service, 4);
534 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
536 Log("Will sleep %d second%s every %d second%s\n", TTsleep,
537 (TTsleep > 1) ? "s" : "", TTrun + TTsleep,
538 (TTrun + TTsleep > 1) ? "s" : "");
541 /* allow super users to manage RX statistics */
542 rx_SetRxStatUserOk(vol_rxstat_userok);
544 rx_StartServer(1); /* Donate this process to the server process pool */
546 osi_audit(VS_FinishEvent, (-1), AUD_END);
547 Abort("StartServer returned?");
548 return 0; /* not reached */