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>
15 #include <sys/types.h>
20 #include <WINNT/afsevent.h>
24 #include <netinet/in.h>
34 #include <afs/afsint.h>
37 #include <afs/assert.h>
38 #include <afs/prs_fs.h>
42 #include <afs/afssyscalls.h>
43 #include <afs/ihandle.h>
45 #include <afs/ntops.h>
47 #include <afs/vnode.h>
48 #include <afs/volume.h>
49 #include <afs/partition.h>
51 #include <rx/rx_globals.h>
54 #include <afs/cellconfig.h>
60 #include <afs/audit.h>
61 #include <afs/afsutil.h>
63 /*@printflike@*/ extern void Log(const char* format, ...);
64 /*@printflike@*/ extern void Abort(const char *format, ...);
66 #define VolserVersion "2.0"
67 #define N_SECURITY_OBJECTS 3
69 extern int (*vol_PollProc)();
70 extern struct volser_trans *TransList();
71 extern int IOMGR_Poll();
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 QI_write();
80 extern int QI_flush();
81 extern int (*VolWriteProc)();
82 extern int (*VolFlushProc)();
83 extern void AFSVolExecuteRequest();
84 extern void RXSTATS_ExecuteRequest();
85 struct afsconf_dir *tdir;
86 static afs_int32 runningCalls=0;
90 int udpBufSize = 0; /* UDP buffer size for receive*/
92 int Testing = 0; /* for ListViceInodes */
94 #define VS_EXIT(code) { \
95 osi_audit(VS_ExitEvent, code, AUD_END); \
100 static MyBeforeProc (struct rx_call *acall)
106 static MyAfterProc (struct rx_call *acall, afs_int32 code)
112 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
113 * if we're idle and there are no active transactions
116 /* if there are no running calls, and there are no active transactions, then
117 it should be safe to release any partition locks we've accumulated */
118 if (runningCalls == 0 && TransList() == (struct volser_trans *) 0) {
119 VPFullUnlock(); /* in volprocs.c */
123 /* background daemon for timing out transactions */
129 tv.tv_sec = GCWAKEUP;
131 (void) IOMGR_Select(0, 0, 0, 0, &tv);
136 { /* reopen log every 5 minutes */
138 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
143 /* Background daemon for sleeping so the volserver does not become I/O bound */
144 afs_int32 TTsleep, TTrun;
147 struct volser_trans *tt;
152 for (tt=TransList(); tt; tt=tt->next) {
153 if ( (strcmp(tt->lastProcName,"DeleteVolume") == 0) ||
154 (strcmp(tt->lastProcName,"Clone") == 0) ||
155 (strcmp(tt->lastProcName,"ReClone") == 0) ||
156 (strcmp(tt->lastProcName,"Forward") == 0) ||
157 (strcmp(tt->lastProcName,"Restore") == 0) ||
158 (strcmp(tt->lastProcName,"ForwardMulti") == 0) )
169 int volser_syscall(a3, a4, a5)
176 #ifndef AFS_LINUX20_ENV
177 old = signal(SIGSYS, SIG_IGN);
179 rcode = syscall (AFS_SYSCALL /* AFS_SYSCALL */, 28 /* AFSCALL_CALL */, a3, a4, a5);
180 #ifndef AFS_LINUX20_ENV
189 /* check whether caller is authorized to manage RX statistics */
190 int vol_rxstat_userok(call)
191 struct rx_call *call;
193 return afsconf_SuperUser(tdir, call, NULL);
196 #include "AFS_component_version_number.c"
201 register afs_int32 code;
202 struct rx_securityClass *(securityObjects[3]);
203 struct rx_service *service;
204 struct ktc_encryptionKey tkey;
206 char commandLine[150];
208 int rxJumbograms = 1; /* default is to send and receive jumbograms. */
209 int bufSize = 0; /* temp variable to read in udp socket buf size*/
213 * The following signal action for AIX is necessary so that in case of a
214 * crash (i.e. core is generated) we can include the user's data section
215 * in the core dump. Unfortunately, by default, only a partial core is
216 * generated which, in many cases, isn't too useful.
218 struct sigaction nsa;
220 sigemptyset(&nsa.sa_mask);
221 nsa.sa_handler = SIG_DFL;
222 nsa.sa_flags = SA_FULLDUMP;
223 sigaction(SIGABRT, &nsa, NULL);
224 sigaction(SIGSEGV, &nsa, NULL);
226 osi_audit(VS_StartEvent, 0, AUD_END);
228 /* Initialize dirpaths */
229 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
231 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0],0);
233 fprintf(stderr,"%s: Unable to obtain AFS server directory.\n", argv[0]);
237 for (commandLine[0] = '\0', i=0; i<argc; i++) {
238 if (i > 0) strcat(commandLine, " ");
239 strcat(commandLine, argv[i]);
245 for(code=1;code<argc;code++) {
246 if (strcmp(argv[code], "-log")==0) {
247 /* set extra logging flag */
250 else if (strcmp(argv[code], "-help")==0) {
253 else if (strcmp(argv[code], "-p") == 0) {
254 lwps = atoi(argv[++code]);
256 printf("Warning: '-p %d' is too big; using %d instead\n",
261 else if (strcmp(argv[code], "-nojumbo")==0) {
264 else if (strcmp(argv[code], "-sleep")==0) {
265 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
266 if ((TTsleep < 0) || (TTrun <= 0)) {
267 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
272 else if ( strcmp(argv[code], "-udpsize")==0) {
273 if ( (code+1) >= argc ) {
274 printf("You have to specify -udpsize <integer value>\n");
277 sscanf(argv[++code], "%d", &bufSize);
278 if ( bufSize < rx_GetMinUdpBufSize() )
279 printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
280 bufSize, rx_GetMinUdpBufSize() );
282 udpBufSize = bufSize;
284 else if (strcmp(argv[code], "-enable_peer_stats")==0) {
285 rx_enablePeerRPCStats();
287 else if (strcmp(argv[code], "-enable_process_stats")==0) {
288 rx_enableProcessRPCStats();
291 else if (strcmp(argv[code], "-syslog")==0) {
292 /* set syslog logging flag */
295 else if (strncmp(argv[code], "-syslog=", 8)==0) {
297 serverLogSyslogFacility = atoi(argv[code]+8);
301 printf("volserver: unrecognized flag '%s'\n", argv[code]);
304 printf("Usage: volserver [-log] [-p <number of processes>] "
305 "[-udpsize <size of socket buffer in bytes>] "
306 "[-syslog[=FACILITY]] "
307 "[-enable_peer_stats] [-enable_process_stats] "
310 printf("Usage: volserver [-log] [-p <number of processes>] "
311 "[-udpsize <size of socket buffer in bytes>] "
312 "[-enable_peer_stats] [-enable_process_stats] "
318 #ifdef AFS_SGI_VNODE_GLUE
319 if (afs_init_kernel_config(-1) <0) {
320 printf("Can't determine NUMA configuration, not starting volserver.\n");
327 if (afs_winsockInit()<0) {
328 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
329 printf("Volume server unable to start winsock, exiting.\n");
333 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
335 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
337 rxi_syscallp = volser_syscall;
339 rx_nPackets = rxpackets; /* set the max number of packets */
341 rx_SetUdpBufSize(udpBufSize);/* set the UDP buffer size for receive */
342 code = rx_Init((int)htons(AFSCONF_VOLUMEPORT));
344 fprintf(stderr,"rx init failed on socket AFSCONF_VOLUMEPORT %u\n",AFSCONF_VOLUMEPORT);
348 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
352 rx_SetRxDeadTime(420);
353 memset(busyFlags, 0, sizeof(busyFlags));
355 /* Open FileLog and map stdout, stderr into it */
356 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
359 /* create the lwp to garbage-collect old transactions and sleep periodically */
360 LWP_CreateProcess(BKGLoop, 16*1024, 3, (void *) 0, "vol bkg daemon", &pid);
361 LWP_CreateProcess(BKGSleep,16*1024, 3, (void *) 0, "vol slp daemon", &pid);
363 /* 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 */
365 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
367 Abort("volser: could not open conf files in %s\n", AFSDIR_SERVER_ETC_DIRPATH);
370 afsconf_GetKey(tdir, 999, &tkey);
371 securityObjects[0] = rxnull_NewServerSecurityObject();
372 securityObjects[1] = (struct rx_securityClass *) 0; /* don't bother with rxvab */
373 securityObjects[2] = rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, NULL);
374 if (securityObjects[0] == (struct rx_securityClass *) 0) Abort("rxnull_NewServerSecurityObject");
375 service = rx_NewService(0, VOLSERVICE_ID, "VOLSER", securityObjects, 3, AFSVolExecuteRequest);
376 if (service == (struct rx_service *) 0) Abort("rx_NewService");
377 rx_SetBeforeProc(service, MyBeforeProc);
378 rx_SetAfterProc(service, MyAfterProc);
379 rx_SetIdleDeadTime(service, 0); /* never timeout */
382 rx_SetMaxProcs(service, lwps);
383 rx_SetStackSize(service, 32768);
385 service = rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3, RXSTATS_ExecuteRequest);
386 if (service == (struct rx_service *) 0) Abort("rx_NewService");
387 rx_SetMinProcs(service, 2);
388 rx_SetMaxProcs(service, 4);
390 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
392 Log("Will sleep %d second%s every %d second%s\n",
393 TTsleep, (TTsleep>1)?"s":"",
394 TTrun+TTsleep, (TTrun+TTsleep>1)?"s":"");
397 /* allow super users to manage RX statistics */
398 rx_SetRxStatUserOk(vol_rxstat_userok);
400 rx_StartServer(1); /* Donate this process to the server process pool */
402 osi_audit(VS_FinishEvent, (-1), AUD_END);
403 Abort("StartServer returned?");