jimzah/openafs
1
0
Fork 0
mirror of https://git.openafs.org/openafs.git synced 2025-01-21 00:10:15 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

make-uafs-work-a-little-20040415

Browse Source 
Make UAFS at least a little more likely to work.
This commit is contained in:
Nickolai Zeldovich 2004-04-16 00:49:13 +00:00
parent e604accb42
commit cd495f0727
1 changed files with 52 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
src/afs/UKERNEL/afs_usrops.c
View File

@ -40,6 +40,7 @@ RCSID
#define AFSLOGFILE "AFSLog"
#define DCACHEFILE "CacheItems"
#define VOLINFOFILE "VolumeItems"
#define CELLINFOFILE "CellItems"
#define MAXIPADDRS 64
#ifndef MIN
@ -72,13 +73,13 @@ char afs_mountDir[1024]; /* AFS mount point */
int afs_mountDirLen; /* strlen of AFS mount point */
char fullpn_DCacheFile[1024]; /* Full pathname of DCACHEFILE */
char fullpn_VolInfoFile[1024]; /* Full pathname of VOLINFOFILE */
char fullpn_CellInfoFile[1024]; /* Full pathname of CELLINFOFILE */
char fullpn_AFSLogFile[1024]; /* Full pathname of AFSLOGFILE */
char fullpn_CacheInfo[1024]; /* Full pathname of CACHEINFO */
char fullpn_VFile[1024]; /* Full pathname of data cache files */
char *vFileNumber; /* Ptr to number in file pathname */
char rootVolume[64] = "root.afs"; /* AFS root volume name */
afs_int32 isHomeCell; /* Is current cell info for home cell */
afs_int32 lookingForHomeCell; /* Are we still looking for home cell */
int createAndTrunc = O_CREAT | O_TRUNC; /* Create & truncate on open */
int ownerRWmode = 0600; /* Read/write OK by owner */
static int nDaemons = 2; /* Number of background daemons */
@ -95,6 +96,7 @@ int afsd_CloseSynch = 0; /* Are closes synchronous or not? */
char **pathname_for_V; /* Array of cache file pathnames */
int missing_DCacheFile = 1; /* Is the DCACHEFILE missing? */
int missing_VolInfoFile = 1; /* Is the VOLINFOFILE missing? */
int missing_CellInfoFile = 1;
struct afs_cacheParams cparams; /* params passed to cache manager */
struct afsconf_dir *afs_cdir; /* config dir */
@ -1342,6 +1344,8 @@ SweepAFSCache(int *vFilesFound)
* Found the file holding the volume info.
*/
missing_VolInfoFile = 0;
} else if (strcmp(currp->d_name, CELLINFOFILE) == 0) {
missing_CellInfoFile = 0;
} else if ((strcmp(currp->d_name, ".") == 0)
|| (strcmp(currp->d_name, "..") == 0)
|| (strcmp(currp->d_name, "lost+found") == 0)) {
@ -1377,6 +1381,12 @@ SweepAFSCache(int *vFilesFound)
if (CreateCacheFile(fullpn_VolInfoFile))
printf("%s: Can't create '%s'\n", rn, fullpn_VolInfoFile);
}
if (missing_CellInfoFile) {
if (afsd_verbose)
printf("%s: Creating '%s'\n", rn, fullpn_CellInfoFile);
if (CreateCacheFile(fullpn_CellInfoFile))
printf("%s: Can't create '%s'\n", rn, fullpn_CellInfoFile);
}
if (*vFilesFound < cacheFiles) {
/*
@ -1413,12 +1423,8 @@ ConfigCell(register struct afsconf_cell *aci, char *arock,
/* figure out if this is the home cell */
isHomeCell = (strcmp(aci->name, afs_LclCellName) == 0);
if (isHomeCell) {
lookingForHomeCell = 0;
cellFlags = 1; /* home cell, suid is ok */
} else {
if (!isHomeCell)
cellFlags = 2; /* not home, suid is forbidden */
}
/* build address list */
for (i = 0; i < MAXHOSTSPERCELL; i++)
@ -1436,6 +1442,16 @@ ConfigCell(register struct afsconf_cell *aci, char *arock,
return 0;
}
static int
ConfigCellAlias(aca, arock, adir)
struct afsconf_cellalias *aca;
char *arock;
struct afsconf_dir *adir;
{
call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName, 0, 0, 0);
return 0;
}
/*
* Set the UDP port number RX uses for UDP datagrams
*/
@ -1659,6 +1675,7 @@ uafs_Init(char *rn, char *mountDirParam, char *confDirParam,
*/
sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
sprintf(fullpn_VFile, "%s/V", cacheBaseDir);
vFileNumber = fullpn_VFile + strlen(fullpn_VFile);
@ -1707,41 +1724,7 @@ uafs_Init(char *rn, char *mountDirParam, char *confDirParam,
if (afsd_verbose)
printf("%s: Initializing AFS daemon.\n", rn);
fork_syscall(AFSCALL_CALL, AFSOP_BASIC_INIT);
if (afsd_verbose)
printf("%s: Forking AFS daemon.\n", rn);
fork_syscall(AFSCALL_CALL, AFSOP_START_AFS);
if (afsd_verbose)
printf("%s: Forking check server daemon.\n", rn);
fork_syscall(AFSCALL_CALL, AFSOP_START_CS);
if (afsd_verbose)
printf("%s: Forking %d background daemons.\n", rn, nDaemons);
for (i = 0; i < nDaemons; i++) {
fork_syscall(AFSCALL_CALL, AFSOP_START_BKG);
}
/*
* Tell the kernel about each cell in the configuration.
*/
lookingForHomeCell = 1;
afsconf_CellApply(afs_cdir, ConfigCell, NULL);
/*
* If we're still looking for the home cell after the whole cell
* configuration database has been parsed, there's something wrong.
*/
if (lookingForHomeCell) {
printf("%s: Can't find home cell '%s' in cell database!\n", rn,
afs_LclCellName);
}
if (afsd_verbose)
printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn, rootVolume);
call_syscall(AFSCALL_CALL, AFSOP_ROOTVOLUME, (long)rootVolume, 0, 0, 0);
call_syscall(AFSCALL_CALL, AFSOP_BASIC_INIT, 1, 0, 0, 0);
/*
* Tell the kernel some basic information about the workstation's cache.
@ -1803,6 +1786,7 @@ uafs_Init(char *rn, char *mountDirParam, char *confDirParam,
call_syscall(AFSCALL_CALL, AFSOP_CACHEINFO, (long)fullpn_DCacheFile,
0, 0, 0);
call_syscall(AFSCALL_CALL, AFSOP_CELLINFO, fullpn_CellInfoFile, 0, 0, 0);
/*
* Pass the kernel the name of the workstation cache file holding the
@ -1825,6 +1809,32 @@ uafs_Init(char *rn, char *mountDirParam, char *confDirParam,
call_syscall(AFSCALL_CALL, AFSOP_AFSLOG, (long)fullpn_AFSLogFile, 0,
0, 0);
if (afsd_verbose)
printf("%s: Forking AFS daemon.\n", rn);
fork_syscall(AFSCALL_CALL, AFSOP_START_AFS);
if (afsd_verbose)
printf("%s: Forking check server daemon.\n", rn);
fork_syscall(AFSCALL_CALL, AFSOP_START_CS);
if (afsd_verbose)
printf("%s: Forking %d background daemons.\n", rn, nDaemons);
for (i = 0; i < nDaemons; i++) {
fork_syscall(AFSCALL_CALL, AFSOP_START_BKG);
}
/*
* Tell the kernel about each cell in the configuration.
*/
afsconf_CellApply(afs_cdir, ConfigCell, NULL);
afsconf_CellAliasApply(afs_cdir, ConfigCellAlias, NULL);
fork_syscall(AFSCALL_CALL, AFSOP_SET_THISCELL, afs_LclCellName);
if (afsd_verbose)
printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn, rootVolume);
call_syscall(AFSCALL_CALL, AFSOP_ROOTVOLUME, (long)rootVolume, 0, 0, 0);
/*
* Give the kernel the names of the AFS files cached on the workstation's
* disk.
@ -1862,7 +1872,7 @@ uafs_Init(char *rn, char *mountDirParam, char *confDirParam,
rc = lpioctl(0, _VICEIOCTL(8), &iob, 0);
#endif
if (rc < 0) {
usr_assert(errno == EDOM);
usr_assert(errno == EDOM || errno == ENOSYS);
break;
}