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>
27 #include <afs/afsint.h>
30 #ifdef AFS_PTHREAD_ENV
32 #else /* AFS_PTHREAD_ENV */
33 #include <afs/assert.h>
34 #endif /* AFS_PTHREAD_ENV */
35 #include <afs/prs_fs.h>
39 #include <afs/afssyscalls.h>
40 #include <afs/ihandle.h>
42 #include <afs/ntops.h>
44 #include <afs/vnode.h>
45 #include <afs/volume.h>
46 #include <afs/partition.h>
48 #include <rx/rx_globals.h>
50 #include <afs/cellconfig.h>
58 #include <afs/audit.h>
59 #include <afs/afsutil.h>
63 #include "volser_prototypes.h"
65 /*@printflike@*/ extern void Log(const char *format, ...);
66 /*@printflike@*/ extern void Abort(const char *format, ...);
68 #define VolserVersion "2.0"
69 #define N_SECURITY_OBJECTS 3
71 extern struct Lock localLock;
72 char *GlobalNameHack = NULL;
74 afs_int32 GlobalVolCloneId, GlobalVolParentId;
76 int VolumeChanged; /* XXXX */
77 static char busyFlags[MAXHELPERS];
78 struct volser_trans *QI_GlobalWriteTrans = 0;
79 extern int AFSVolExecuteRequest(struct rx_call*);
80 extern int RXSTATS_ExecuteRequest(struct rx_call*);
81 struct afsconf_dir *tdir;
82 static afs_int32 runningCalls = 0;
87 int udpBufSize = 0; /* UDP buffer size for receive */
90 int rxkadDisableDotCheck = 0;
92 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
93 afs_uint32 SHostAddrs[ADDRSPERSITE];
95 #define VS_EXIT(code) { \
96 osi_audit(VS_ExitEvent, code, AUD_END); \
100 #if defined(AFS_PTHREAD_ENV)
104 return (int)pthread_getspecific(rx_thread_id_key);
109 MyBeforeProc(struct rx_call *acall)
118 MyAfterProc(struct rx_call *acall, afs_int32 code)
126 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
127 * if we're idle and there are no active transactions
132 /* if there are no running calls, and there are no active transactions, then
133 * it should be safe to release any partition locks we've accumulated */
135 if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
137 VPFullUnlock(); /* in volprocs.c */
142 /* background daemon for timing out transactions */
144 BKGLoop(void *unused)
150 tv.tv_sec = GCWAKEUP;
152 #ifdef AFS_PTHREAD_ENV
153 select(0, 0, 0, 0, &tv);
155 (void)IOMGR_Select(0, 0, 0, 0, &tv);
160 if (loop == 10) { /* reopen log every 5 minutes */
162 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
169 /* Background daemon for sleeping so the volserver does not become I/O bound */
170 afs_int32 TTsleep, TTrun;
172 BKGSleep(void *unused)
174 struct volser_trans *tt;
178 #ifdef AFS_PTHREAD_ENV
180 #else /* AFS_PTHREAD_ENV */
184 for (tt = TransList(); tt; tt = tt->next) {
185 if ((strcmp(tt->lastProcName, "DeleteVolume") == 0)
186 || (strcmp(tt->lastProcName, "Clone") == 0)
187 || (strcmp(tt->lastProcName, "ReClone") == 0)
188 || (strcmp(tt->lastProcName, "Forward") == 0)
189 || (strcmp(tt->lastProcName, "Restore") == 0)
190 || (strcmp(tt->lastProcName, "ForwardMulti") == 0))
205 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
210 #ifndef AFS_LINUX20_ENV
211 old = signal(SIGSYS, SIG_IGN);
214 syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
216 #ifndef AFS_LINUX20_ENV
225 /* check whether caller is authorized to manage RX statistics */
227 vol_rxstat_userok(struct rx_call *call)
229 return afsconf_SuperUser(tdir, call, NULL);
232 #include "AFS_component_version_number.c"
234 main(int argc, char **argv)
236 register afs_int32 code;
237 struct rx_securityClass *(securityObjects[3]);
238 struct rx_service *service;
239 struct ktc_encryptionKey tkey;
241 char commandLine[150];
243 int rxJumbograms = 0; /* default is to send and receive jumbograms. */
245 int bufSize = 0; /* temp variable to read in udp socket buf size */
246 afs_uint32 host = ntohl(INADDR_ANY);
250 * The following signal action for AIX is necessary so that in case of a
251 * crash (i.e. core is generated) we can include the user's data section
252 * in the core dump. Unfortunately, by default, only a partial core is
253 * generated which, in many cases, isn't too useful.
255 struct sigaction nsa;
257 sigemptyset(&nsa.sa_mask);
258 nsa.sa_handler = SIG_DFL;
259 nsa.sa_flags = SA_FULLDUMP;
260 sigaction(SIGABRT, &nsa, NULL);
261 sigaction(SIGSEGV, &nsa, NULL);
264 osi_audit(VS_StartEvent, 0, AUD_END);
266 /* Initialize dirpaths */
267 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
269 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
271 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
276 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
278 strcat(commandLine, " ");
279 strcat(commandLine, argv[i]);
285 for (code = 1; code < argc; code++) {
286 if (strcmp(argv[code], "-log") == 0) {
287 /* set extra logging flag */
289 } else if (strcmp(argv[code], "-help") == 0) {
291 } else if (strcmp(argv[code], "-rxbind") == 0) {
293 } else if (strcmp(argv[code], "-allow-dotted-principals") == 0) {
294 rxkadDisableDotCheck = 1;
295 } else if (strcmp(argv[code], "-d") == 0) {
296 if ((code + 1) >= argc) {
297 fprintf(stderr, "missing argument for -d\n");
300 debuglevel = atoi(argv[++code]);
301 LogLevel = debuglevel;
302 } else if (strcmp(argv[code], "-p") == 0) {
303 lwps = atoi(argv[++code]);
305 printf("Warning: '-p %d' is too big; using %d instead\n",
309 } else if (strcmp(argv[code], "-auditlog") == 0) {
310 char *fileName = argv[++code];
312 osi_audit_file(fileName);
313 osi_audit(VS_StartEvent, 0, AUD_END);
314 } else if (strcmp(argv[code], "-nojumbo") == 0) {
316 } else if (strcmp(argv[code], "-jumbo") == 0) {
318 } else if (!strcmp(argv[code], "-rxmaxmtu")) {
319 if ((code + 1) >= argc) {
320 fprintf(stderr, "missing argument for -rxmaxmtu\n");
323 rxMaxMTU = atoi(argv[++code]);
324 if ((rxMaxMTU < RX_MIN_PACKET_SIZE) ||
325 (rxMaxMTU > RX_MAX_PACKET_DATA_SIZE)) {
326 printf("rxMaxMTU %d invalid; must be between %d-%lu\n",
327 rxMaxMTU, RX_MIN_PACKET_SIZE,
328 RX_MAX_PACKET_DATA_SIZE);
331 } else if (strcmp(argv[code], "-sleep") == 0) {
332 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
333 if ((TTsleep < 0) || (TTrun <= 0)) {
334 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
338 } else if (strcmp(argv[code], "-udpsize") == 0) {
339 if ((code + 1) >= argc) {
340 printf("You have to specify -udpsize <integer value>\n");
343 sscanf(argv[++code], "%d", &bufSize);
344 if (bufSize < rx_GetMinUdpBufSize())
346 ("Warning:udpsize %d is less than minimum %d; ignoring\n",
347 bufSize, rx_GetMinUdpBufSize());
349 udpBufSize = bufSize;
350 } else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
351 rx_enablePeerRPCStats();
352 } else if (strcmp(argv[code], "-enable_process_stats") == 0) {
353 rx_enableProcessRPCStats();
356 else if (strcmp(argv[code], "-syslog") == 0) {
357 /* set syslog logging flag */
359 } else if (strncmp(argv[code], "-syslog=", 8) == 0) {
361 serverLogSyslogFacility = atoi(argv[code] + 8);
365 printf("volserver: unrecognized flag '%s'\n", argv[code]);
368 printf("Usage: volserver [-log] [-p <number of processes>] "
369 "[-auditlog <log path>] [-d <debug level>] "
370 "[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
371 "[-udpsize <size of socket buffer in bytes>] "
372 "[-syslog[=FACILITY]] "
373 "[-enable_peer_stats] [-enable_process_stats] "
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 "[-enable_peer_stats] [-enable_process_stats] "
386 #ifdef AFS_SGI_VNODE_GLUE
387 if (afs_init_kernel_config(-1) < 0) {
389 ("Can't determine NUMA configuration, not starting volserver.\n");
395 #ifdef AFS_PTHREAD_ENV
396 SetLogThreadNumProgram( threadNum );
400 if (afs_winsockInit() < 0) {
401 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
402 printf("Volume server unable to start winsock, exiting.\n");
406 /* Open VolserLog and map stdout, stderr into it; VInitVolumePackage can
407 log, so we need to do this here */
408 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
410 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
412 Lock_Init(&localLock);
414 #ifndef AFS_PTHREAD_ENV
415 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
418 rxi_syscallp = volser_syscall;
420 rx_nPackets = rxpackets; /* set the max number of packets */
422 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
425 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
426 AFSDIR_SERVER_NETINFO_FILEPATH) {
428 ccode = parseNetFiles(SHostAddrs, NULL, NULL,
429 ADDRSPERSITE, reason,
430 AFSDIR_SERVER_NETINFO_FILEPATH,
431 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
434 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
437 host = SHostAddrs[0];
440 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
442 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
447 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
450 if (rxMaxMTU != -1) {
451 rx_SetMaxMTU(rxMaxMTU);
454 rx_SetRxDeadTime(420);
455 memset(busyFlags, 0, sizeof(busyFlags));
460 #ifdef AFS_PTHREAD_ENV
462 pthread_attr_t tattr;
463 assert(pthread_attr_init(&tattr) == 0);
464 assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0);
466 assert(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
469 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
470 LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
474 /* 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 */
476 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
478 Abort("volser: could not open conf files in %s\n",
479 AFSDIR_SERVER_ETC_DIRPATH);
482 afsconf_GetKey(tdir, 999, &tkey);
483 securityObjects[0] = rxnull_NewServerSecurityObject();
484 securityObjects[1] = (struct rx_securityClass *)0; /* don't bother with rxvab */
486 rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, NULL);
487 if (securityObjects[0] == (struct rx_securityClass *)0)
488 Abort("rxnull_NewServerSecurityObject");
490 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityObjects, 3,
491 AFSVolExecuteRequest);
492 if (service == (struct rx_service *)0)
493 Abort("rx_NewService");
494 rx_SetBeforeProc(service, MyBeforeProc);
495 rx_SetAfterProc(service, MyAfterProc);
496 rx_SetIdleDeadTime(service, 0); /* never timeout */
499 rx_SetMaxProcs(service, lwps);
500 #if defined(AFS_XBSD_ENV)
501 rx_SetStackSize(service, (128 * 1024));
502 #elif defined(AFS_SGI_ENV)
503 rx_SetStackSize(service, (48 * 1024));
505 rx_SetStackSize(service, (32 * 1024));
508 if (rxkadDisableDotCheck) {
509 rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
510 (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
514 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3,
515 RXSTATS_ExecuteRequest);
516 if (service == (struct rx_service *)0)
517 Abort("rx_NewService");
518 rx_SetMinProcs(service, 2);
519 rx_SetMaxProcs(service, 4);
521 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
523 Log("Will sleep %d second%s every %d second%s\n", TTsleep,
524 (TTsleep > 1) ? "s" : "", TTrun + TTsleep,
525 (TTrun + TTsleep > 1) ? "s" : "");
528 /* allow super users to manage RX statistics */
529 rx_SetRxStatUserOk(vol_rxstat_userok);
531 rx_StartServer(1); /* Donate this process to the server process pool */
533 osi_audit(VS_FinishEvent, (-1), AUD_END);
534 Abort("StartServer returned?");
535 return 0; /* not reached */