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 <afs/param.h>
11 #include <sys/types.h>
16 #include <WINNT/afsevent.h>
20 #include <netinet/in.h>
23 #include <afs/afsint.h>
26 #include <afs/assert.h>
27 #include <afs/prs_fs.h>
31 #include <afs/afssyscalls.h>
32 #include <afs/ihandle.h>
34 #include <afs/ntops.h>
36 #include <afs/vnode.h>
37 #include <afs/volume.h>
38 #include <afs/partition.h>
40 #include <rx/rx_globals.h>
43 #include <afs/cellconfig.h>
49 #include <afs/audit.h>
50 #include <afs/afsutil.h>
52 #define VolserVersion "2.0"
53 #define N_SECURITY_OBJECTS 3
55 extern int (*vol_PollProc)();
56 extern struct volser_trans *TransList();
57 extern int IOMGR_Poll();
58 char *GlobalNameHack = (char *)0;
60 afs_int32 GlobalVolCloneId, GlobalVolParentId;
62 int VolumeChanged; /* XXXX */
63 static char busyFlags[MAXHELPERS];
64 struct volser_trans *QI_GlobalWriteTrans = 0;
65 extern int QI_write();
66 extern int QI_flush();
67 extern int (*VolWriteProc)();
68 extern int (*VolFlushProc)();
69 extern void AFSVolExecuteRequest();
70 extern void RXSTATS_ExecuteRequest();
71 extern struct rx_securityClass *rxnull_NewServerSecurityObject();
72 extern struct rx_service *rx_NewService();
74 struct afsconf_dir *tdir;
75 static afs_int32 runningCalls=0;
79 int udpBufSize = 0; /* UDP buffer size for receive*/
81 int Testing = 0; /* for ListViceInodes */
83 #define VS_EXIT(code) { \
84 osi_audit(VS_ExitEvent, code, AUD_END); \
89 static MyBeforeProc () {
94 static MyAfterProc () {
99 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
100 * if we're idle and there are no active transactions
103 /* if there are no running calls, and there are no active transactions, then
104 it should be safe to release any partition locks we've accumulated */
105 if (runningCalls == 0 && TransList() == (struct volser_trans *) 0) {
106 VPFullUnlock(); /* in volprocs.c */
110 /* background daemon for timing out transactions */
116 tv.tv_sec = GCWAKEUP;
118 (void) IOMGR_Select(0, 0, 0, 0, &tv);
123 { /* reopen log every 5 minutes */
125 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
130 /* Background daemon for sleeping so the volserver does not become I/O bound */
131 afs_int32 TTsleep, TTrun;
134 struct volser_trans *tt;
139 for (tt=TransList(); tt; tt=tt->next) {
140 if ( (strcmp(tt->lastProcName,"DeleteVolume") == 0) ||
141 (strcmp(tt->lastProcName,"Clone") == 0) ||
142 (strcmp(tt->lastProcName,"ReClone") == 0) ||
143 (strcmp(tt->lastProcName,"Forward") == 0) ||
144 (strcmp(tt->lastProcName,"Restore") == 0) ||
145 (strcmp(tt->lastProcName,"ForwardMulti") == 0) )
156 int volser_syscall(a3, a4, a5)
163 #ifndef AFS_LINUX20_ENV
164 old = signal(SIGSYS, SIG_IGN);
166 rcode = syscall (31 /* AFS_SYSCALL */, 28 /* AFSCALL_CALL */, a3, a4, a5);
167 #ifndef AFS_LINUX20_ENV
176 /* check whether caller is authorized to manage RX statistics */
177 int vol_rxstat_userok(call)
178 struct rx_call *call;
180 return afsconf_SuperUser(tdir, call, (char *)0);
183 #include "AFS_component_version_number.c"
188 register afs_int32 code;
189 struct rx_securityClass *(securityObjects[3]);
190 struct rx_service *service;
191 struct ktc_encryptionKey tkey;
193 char commandLine[150];
195 int rxJumbograms = 1; /* default is to send and receive jumbograms. */
196 int bufSize = 0; /* temp variable to read in udp socket buf size*/
200 * The following signal action for AIX is necessary so that in case of a
201 * crash (i.e. core is generated) we can include the user's data section
202 * in the core dump. Unfortunately, by default, only a partial core is
203 * generated which, in many cases, isn't too useful.
205 struct sigaction nsa;
207 sigemptyset(&nsa.sa_mask);
208 nsa.sa_handler = SIG_DFL;
209 nsa.sa_flags = SA_FULLDUMP;
210 sigaction(SIGABRT, &nsa, NULL);
211 sigaction(SIGSEGV, &nsa, NULL);
213 osi_audit(VS_StartEvent, 0, AUD_END);
215 /* Initialize dirpaths */
216 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
218 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0],0);
220 fprintf(stderr,"%s: Unable to obtain AFS server directory.\n", argv[0]);
224 for (commandLine[0] = '\0', i=0; i<argc; i++) {
225 if (i > 0) strcat(commandLine, " ");
226 strcat(commandLine, argv[i]);
232 for(code=1;code<argc;code++) {
233 if (strcmp(argv[code], "-log")==0) {
234 /* set extra logging flag */
237 else if (strcmp(argv[code], "-help")==0) {
240 else if (strcmp(argv[code], "-p") == 0) {
241 lwps = atoi(argv[++code]);
243 printf("Warning: '-p %d' is too big; using %d instead\n",
248 else if (strcmp(argv[code], "-nojumbo")==0) {
251 else if (strcmp(argv[code], "-sleep")==0) {
252 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
253 if ((TTsleep < 0) || (TTrun <= 0)) {
254 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
259 else if ( strcmp(argv[code], "-udpsize")==0) {
260 if ( (code+1) >= argc ) {
261 printf("You have to specify -udpsize <integer value>\n");
264 sscanf(argv[++code], "%d", &bufSize);
265 if ( bufSize < rx_GetMinUdpBufSize() )
266 printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
267 bufSize, rx_GetMinUdpBufSize() );
269 udpBufSize = bufSize;
271 else if (strcmp(argv[code], "-enable_peer_stats")==0) {
272 rx_enablePeerRPCStats();
274 else if (strcmp(argv[code], "-enable_process_stats")==0) {
275 rx_enableProcessRPCStats();
278 printf("volserver: unrecognized flag '%s'\n", argv[code]);
280 printf("Usage: volserver [-log] [-p <number of processes>] "
281 "[-udpsize <size of socket buffer in bytes>] "
282 /* "[-enable_peer_stats] [-enable_process_stats] " */
287 #ifdef AFS_SGI_VNODE_GLUE
288 if (afs_init_kernel_config(-1) <0) {
289 printf("Can't determine NUMA configuration, not starting volserver.\n");
296 if (afs_winsockInit()<0) {
297 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
298 printf("Volume server unable to start winsock, exiting.\n");
302 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
304 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
306 rxi_syscallp = volser_syscall;
308 rx_nPackets = rxpackets; /* set the max number of packets */
310 rx_SetUdpBufSize(udpBufSize);/* set the UDP buffer size for receive */
311 code = rx_Init((int)htons(AFSCONF_VOLUMEPORT));
313 fprintf(stderr,"rx init failed on socket AFSCONF_VOLUMEPORT %u\n",AFSCONF_VOLUMEPORT);
317 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
318 rx_maxReceiveSize = OLD_MAX_PACKET_SIZE;
319 rxi_nSendFrags = rxi_nRecvFrags = 1;
322 rx_SetRxDeadTime(420);
323 bzero(busyFlags, sizeof(busyFlags));
325 /* Open FileLog and map stdout, stderr into it */
326 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
329 /* create the lwp to garbage-collect old transactions and sleep periodically */
330 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
331 LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
333 /* 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 */
335 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
337 Abort("volser: could not open conf files in %s\n", AFSDIR_SERVER_ETC_DIRPATH);
340 afsconf_GetKey(tdir, 999, &tkey);
341 securityObjects[0] = (struct rx_securityClass *) rxnull_NewServerSecurityObject();
342 securityObjects[1] = (struct rx_securityClass *) 0; /* don't bother with rxvab */
343 securityObjects[2] = (struct rx_securityClass *) rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, (char *) 0);
344 if (securityObjects[0] == (struct rx_securityClass *) 0) Abort("rxnull_NewServerSecurityObject");
345 service = rx_NewService(0, VOLSERVICE_ID, "VOLSER", securityObjects, 3, AFSVolExecuteRequest);
346 if (service == (struct rx_service *) 0) Abort("rx_NewService");
347 rx_SetBeforeProc(service, (char (*)()) MyBeforeProc);
348 rx_SetAfterProc(service, (char (*)()) MyAfterProc);
349 rx_SetIdleDeadTime(service, 0); /* never timeout */
352 rx_SetMaxProcs(service, lwps);
353 rx_SetStackSize(service, 32768);
355 service = rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3, RXSTATS_ExecuteRequest);
356 if (service == (struct rx_service *) 0) Abort("rx_NewService");
357 rx_SetMinProcs(service, 2);
358 rx_SetMaxProcs(service, 4);
360 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
362 Log("Will sleep %d second%s every %d second%s\n",
363 TTsleep, (TTsleep>1)?"s":"",
364 TTrun+TTsleep, (TTrun+TTsleep>1)?"s":"");
367 /* allow super users to manage RX statistics */
368 rx_SetRxStatUserOk(vol_rxstat_userok);
370 rx_StartServer(1); /* Donate this process to the server process pool */
372 osi_audit(VS_FinishEvent, (-1), AUD_END);
373 Abort("StartServer returned?");