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>
16 #include <sys/types.h>
21 #include <WINNT/afsevent.h>
25 #include <netinet/in.h>
35 #include <afs/afsint.h>
38 #ifdef AFS_PTHREAD_ENV
40 #else /* AFS_PTHREAD_ENV */
41 #include <afs/assert.h>
42 #endif /* AFS_PTHREAD_ENV */
43 #include <afs/prs_fs.h>
47 #include <afs/afssyscalls.h>
48 #include <afs/ihandle.h>
50 #include <afs/ntops.h>
52 #include <afs/vnode.h>
53 #include <afs/volume.h>
54 #include <afs/partition.h>
56 #include <rx/rx_globals.h>
58 #include <afs/cellconfig.h>
66 #include <afs/audit.h>
67 #include <afs/afsutil.h>
69 /*@printflike@*/ extern void Log(const char *format, ...);
70 /*@printflike@*/ extern void Abort(const char *format, ...);
72 #define VolserVersion "2.0"
73 #define N_SECURITY_OBJECTS 3
75 extern struct Lock localLock;
76 extern struct volser_trans *TransList();
77 #ifndef AFS_PTHREAD_ENV
78 extern int (*vol_PollProc) ();
79 extern int IOMGR_Poll();
81 char *GlobalNameHack = NULL;
83 afs_int32 GlobalVolCloneId, GlobalVolParentId;
85 int VolumeChanged; /* XXXX */
86 static char busyFlags[MAXHELPERS];
87 struct volser_trans *QI_GlobalWriteTrans = 0;
88 extern void AFSVolExecuteRequest();
89 extern void RXSTATS_ExecuteRequest();
90 struct afsconf_dir *tdir;
91 static afs_int32 runningCalls = 0;
95 int udpBufSize = 0; /* UDP buffer size for receive */
99 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
100 afs_uint32 SHostAddrs[ADDRSPERSITE];
102 #define VS_EXIT(code) { \
103 osi_audit(VS_ExitEvent, code, AUD_END); \
107 #if defined(AFS_PTHREAD_ENV)
111 return pthread_getspecific(rx_thread_id_key);
116 MyBeforeProc(struct rx_call *acall)
125 MyAfterProc(struct rx_call *acall, afs_int32 code)
133 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
134 * if we're idle and there are no active transactions
139 /* if there are no running calls, and there are no active transactions, then
140 * it should be safe to release any partition locks we've accumulated */
142 if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
144 VPFullUnlock(); /* in volprocs.c */
149 /* background daemon for timing out transactions */
157 tv.tv_sec = GCWAKEUP;
159 #ifdef AFS_PTHREAD_ENV
160 select(0, 0, 0, 0, &tv);
162 (void)IOMGR_Select(0, 0, 0, 0, &tv);
167 if (loop == 10) { /* reopen log every 5 minutes */
169 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
174 /* Background daemon for sleeping so the volserver does not become I/O bound */
175 afs_int32 TTsleep, TTrun;
179 struct volser_trans *tt;
183 #ifdef AFS_PTHREAD_ENV
185 #else /* AFS_PTHREAD_ENV */
189 for (tt = TransList(); tt; tt = tt->next) {
190 if ((strcmp(tt->lastProcName, "DeleteVolume") == 0)
191 || (strcmp(tt->lastProcName, "Clone") == 0)
192 || (strcmp(tt->lastProcName, "ReClone") == 0)
193 || (strcmp(tt->lastProcName, "Forward") == 0)
194 || (strcmp(tt->lastProcName, "Restore") == 0)
195 || (strcmp(tt->lastProcName, "ForwardMulti") == 0))
209 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
214 #ifndef AFS_LINUX20_ENV
215 old = signal(SIGSYS, SIG_IGN);
218 syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
220 #ifndef AFS_LINUX20_ENV
229 /* check whether caller is authorized to manage RX statistics */
231 vol_rxstat_userok(struct rx_call *call)
233 return afsconf_SuperUser(tdir, call, NULL);
236 #include "AFS_component_version_number.c"
238 main(int argc, char **argv)
240 register afs_int32 code;
241 struct rx_securityClass *(securityObjects[3]);
242 struct rx_service *service;
243 struct ktc_encryptionKey tkey;
245 char commandLine[150];
247 int rxJumbograms = 1; /* default is to send and receive jumbograms. */
249 int bufSize = 0; /* temp variable to read in udp socket buf size */
250 afs_uint32 host = ntohl(INADDR_ANY);
254 * The following signal action for AIX is necessary so that in case of a
255 * crash (i.e. core is generated) we can include the user's data section
256 * in the core dump. Unfortunately, by default, only a partial core is
257 * generated which, in many cases, isn't too useful.
259 struct sigaction nsa;
261 sigemptyset(&nsa.sa_mask);
262 nsa.sa_handler = SIG_DFL;
263 nsa.sa_flags = SA_FULLDUMP;
264 sigaction(SIGABRT, &nsa, NULL);
265 sigaction(SIGSEGV, &nsa, NULL);
268 osi_audit(VS_StartEvent, 0, AUD_END);
270 /* Initialize dirpaths */
271 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
273 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
275 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
280 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
282 strcat(commandLine, " ");
283 strcat(commandLine, argv[i]);
289 for (code = 1; code < argc; code++) {
290 if (strcmp(argv[code], "-log") == 0) {
291 /* set extra logging flag */
293 } else if (strcmp(argv[code], "-help") == 0) {
295 } else if (strcmp(argv[code], "-rxbind") == 0) {
297 } else if (strcmp(argv[code], "-p") == 0) {
298 lwps = atoi(argv[++code]);
300 printf("Warning: '-p %d' is too big; using %d instead\n",
304 } else if (strcmp(argv[code], "-auditlog") == 0) {
307 char oldName[MAXPATHLEN];
308 char *fileName = argv[++code];
313 if ((lstat(fileName, &statbuf) == 0)
314 && (S_ISFIFO(statbuf.st_mode))) {
315 flags = O_WRONLY | O_NONBLOCK;
319 strcpy(oldName, fileName);
320 strcat(oldName, ".old");
321 renamefile(fileName, oldName);
322 flags = O_WRONLY | O_TRUNC | O_CREAT;
324 tempfd = open(fileName, flags, 0666);
326 auditout = fdopen(tempfd, "a");
328 osi_audit_file(auditout);
329 osi_audit(VS_StartEvent, 0, AUD_END);
331 printf("Warning: auditlog %s not writable, ignored.\n", fileName);
333 printf("Warning: auditlog %s not writable, ignored.\n", fileName);
334 } else if (strcmp(argv[code], "-nojumbo") == 0) {
336 } else if (!strcmp(argv[code], "-rxmaxmtu")) {
337 if ((code + 1) >= argc) {
338 fprintf(stderr, "missing argument for -rxmaxmtu\n");
341 rxMaxMTU = atoi(argv[++code]);
342 if ((rxMaxMTU < RX_MIN_PACKET_SIZE) ||
343 (rxMaxMTU > RX_MAX_PACKET_DATA_SIZE)) {
344 printf("rxMaxMTU %d% invalid; must be between %d-%d\n",
345 rxMaxMTU, RX_MIN_PACKET_SIZE,
346 RX_MAX_PACKET_DATA_SIZE);
349 } else if (strcmp(argv[code], "-sleep") == 0) {
350 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
351 if ((TTsleep < 0) || (TTrun <= 0)) {
352 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
356 } else if (strcmp(argv[code], "-udpsize") == 0) {
357 if ((code + 1) >= argc) {
358 printf("You have to specify -udpsize <integer value>\n");
361 sscanf(argv[++code], "%d", &bufSize);
362 if (bufSize < rx_GetMinUdpBufSize())
364 ("Warning:udpsize %d is less than minimum %d; ignoring\n",
365 bufSize, rx_GetMinUdpBufSize());
367 udpBufSize = bufSize;
368 } else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
369 rx_enablePeerRPCStats();
370 } else if (strcmp(argv[code], "-enable_process_stats") == 0) {
371 rx_enableProcessRPCStats();
374 else if (strcmp(argv[code], "-syslog") == 0) {
375 /* set syslog logging flag */
377 } else if (strncmp(argv[code], "-syslog=", 8) == 0) {
379 serverLogSyslogFacility = atoi(argv[code] + 8);
383 printf("volserver: unrecognized flag '%s'\n", argv[code]);
386 printf("Usage: volserver [-log] [-p <number of processes>] "
387 "[-auditlog <log path>] "
388 "[-nojumbo] [-rxmaxmtu <bytes>] [-rxbind] "
389 "[-udpsize <size of socket buffer in bytes>] "
390 "[-syslog[=FACILITY]] "
391 "[-enable_peer_stats] [-enable_process_stats] "
394 printf("Usage: volserver [-log] [-p <number of processes>] "
395 "[-auditlog <log path>] "
396 "[-nojumbo] [-rxmaxmtu <bytes>] [-rxbind] "
397 "[-udpsize <size of socket buffer in bytes>] "
398 "[-enable_peer_stats] [-enable_process_stats] "
404 #ifdef AFS_SGI_VNODE_GLUE
405 if (afs_init_kernel_config(-1) < 0) {
407 ("Can't determine NUMA configuration, not starting volserver.\n");
413 #ifdef AFS_PTHREAD_ENV
414 SetLogThreadNumProgram( threadNum );
418 if (afs_winsockInit() < 0) {
419 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
420 printf("Volume server unable to start winsock, exiting.\n");
424 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
426 Lock_Init(&localLock);
428 #ifndef AFS_PTHREAD_ENV
429 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
432 rxi_syscallp = volser_syscall;
434 rx_nPackets = rxpackets; /* set the max number of packets */
436 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
440 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
441 AFSDIR_SERVER_NETINFO_FILEPATH) {
443 ccode = parseNetFiles(SHostAddrs, NULL, NULL,
444 ADDRSPERSITE, reason,
445 AFSDIR_SERVER_NETINFO_FILEPATH,
446 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
450 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
453 host = SHostAddrs[0];
456 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
458 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
463 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
466 if (rxMaxMTU != -1) {
467 rx_SetMaxMTU(rxMaxMTU);
470 rx_SetRxDeadTime(420);
471 memset(busyFlags, 0, sizeof(busyFlags));
473 /* Open FileLog and map stdout, stderr into it */
474 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
478 #ifdef AFS_PTHREAD_ENV
480 pthread_attr_t tattr;
481 assert(pthread_attr_init(&tattr) == 0);
482 assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0);
484 assert(pthread_create(&tid, &tattr, (void *)BKGLoop, NULL) == 0);
487 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
488 LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
492 /* 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 */
494 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
496 Abort("volser: could not open conf files in %s\n",
497 AFSDIR_SERVER_ETC_DIRPATH);
500 afsconf_GetKey(tdir, 999, &tkey);
501 securityObjects[0] = rxnull_NewServerSecurityObject();
502 securityObjects[1] = (struct rx_securityClass *)0; /* don't bother with rxvab */
504 rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, NULL);
505 if (securityObjects[0] == (struct rx_securityClass *)0)
506 Abort("rxnull_NewServerSecurityObject");
508 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityObjects, 3,
509 AFSVolExecuteRequest);
510 if (service == (struct rx_service *)0)
511 Abort("rx_NewService");
512 rx_SetBeforeProc(service, MyBeforeProc);
513 rx_SetAfterProc(service, MyAfterProc);
514 rx_SetIdleDeadTime(service, 0); /* never timeout */
517 rx_SetMaxProcs(service, lwps);
519 rx_SetStackSize(service, 49152);
521 rx_SetStackSize(service, 32768);
525 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3,
526 RXSTATS_ExecuteRequest);
527 if (service == (struct rx_service *)0)
528 Abort("rx_NewService");
529 rx_SetMinProcs(service, 2);
530 rx_SetMaxProcs(service, 4);
532 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
534 Log("Will sleep %d second%s every %d second%s\n", TTsleep,
535 (TTsleep > 1) ? "s" : "", TTrun + TTsleep,
536 (TTrun + TTsleep > 1) ? "s" : "");
539 /* allow super users to manage RX statistics */
540 rx_SetRxStatUserOk(vol_rxstat_userok);
542 rx_StartServer(1); /* Donate this process to the server process pool */
544 osi_audit(VS_FinishEvent, (-1), AUD_END);
545 Abort("StartServer returned?");