void
threadmain(int argc, char *argv[])
{
uint32_t bcmem;
bcmem = 0;
ARGBEGIN{
case 'B':
bcmem = unittoull(ARGF());
break;
default:
usage();
break;
}ARGEND
readonly = 1;
if(argc != 1)
usage();
if(initventi(argv[0], &conf) < 0)
sysfatal("can't init venti: %r");
if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
initdcache(bcmem);
clumpstats(mainindex);
threadexitsall(0);
}
void
threadmain(int argc, char *argv[])
{
u32int bcmem;
int fix;
fix = 0;
bcmem = 0;
ARGBEGIN{
case 'B':
bcmem = unittoull(ARGF());
break;
default:
usage();
break;
}ARGEND
if(!fix)
readonly = 1;
if(argc != 1)
usage();
if(initventi(argv[0], &conf) < 0)
sysfatal("can't init venti: %r");
printindex(1, mainindex);
threadexitsall(0);
}
void
threadmain(int argc, char *argv[])
{
int i;
Index *ix;
u32int bcmem;
bcmem = 0;
ARGBEGIN{
case 'B':
bcmem = unittoull(ARGF());
break;
default:
usage();
break;
}ARGEND
if(argc < 1)
usage();
fmtinstall('H', encodefmt);
if(initventi(argv[0], &conf) < 0)
sysfatal("can't init venti: %r");
if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
initdcache(bcmem);
ix = mainindex;
Binit(&bout, 1, OWRITE);
for(i=0; i<ix->nsects; i++)
if(shoulddump(ix->sects[i]->name, argc-1, argv+1))
dumpisect(ix->sects[i]);
Bterm(&bout);
threadexitsall(0);
}
void
threadmain(int argc, char **argv)
{
int i, j, fd, n, printstats;
Dir *d;
char *s;
uint64_t u;
VacFile *f, *fdiff;
VacFs *fsdiff;
int blocksize;
int outfd;
char *stdinname;
char *diffvac;
uint64_t qid;
fmtinstall('F', vtfcallfmt);
fmtinstall('H', encodefmt);
fmtinstall('V', vtscorefmt);
blocksize = BlockSize;
stdinname = nil;
printstats = 0;
fsdiff = nil;
diffvac = nil;
ARGBEGIN{
case 'V':
chattyventi++;
break;
case 'a':
archivefile = EARGF(usage());
break;
case 'b':
u = unittoull(EARGF(usage()));
if(u < 512)
u = 512;
if(u > VtMaxLumpSize)
u = VtMaxLumpSize;
blocksize = u;
break;
case 'd':
diffvac = EARGF(usage());
break;
case 'e':
excludepattern(EARGF(usage()));
break;
case 'f':
vacfile = EARGF(usage());
break;
case 'h':
host = EARGF(usage());
break;
case 'i':
stdinname = EARGF(usage());
break;
case 'm':
merge++;
break;
case 'q':
qdiff++;
break;
case 's':
printstats++;
break;
case 'v':
verbose++;
break;
case 'x':
loadexcludefile(EARGF(usage()));
break;
default:
usage();
}ARGEND
if(argc == 0 && !stdinname)
usage();
if(archivefile && (vacfile || diffvac)){
fprint(2, "cannot use -a with -f, -d\n");
usage();
}
z = vtdial(host);
if(z == nil)
sysfatal("could not connect to server: %r");
if(vtconnect(z) < 0)
sysfatal("vtconnect: %r");
// Setup:
// fs is the output vac file system
// f is directory in output vac to write new files
// fdiff is corresponding directory in existing vac
if(archivefile){
VacFile *fp;
char yyyy[5];
char mmdd[10];
char oldpath[40];
Tm tm;
fdiff = nil;
if((outfd = open(archivefile, ORDWR)) < 0){
if(access(archivefile, 0) >= 0)
sysfatal("open %s: %r", archivefile);
if((outfd = create(archivefile, OWRITE, 0666)) < 0)
sysfatal("create %s: %r", archivefile);
atexit(removevacfile); // because it is new
if((fs = vacfscreate(z, blocksize, 512)) == nil)
sysfatal("vacfscreate: %r");
}else{
if((fs = vacfsopen(z, archivefile, VtORDWR, 512)) == nil)
sysfatal("vacfsopen %s: %r", archivefile);
if((fdiff = recentarchive(fs, oldpath)) != nil){
if(verbose)
fprint(2, "diff %s\n", oldpath);
}else
if(verbose)
fprint(2, "no recent archive to diff against\n");
}
// Create yyyy/mmdd.
tm = *localtime(time(0));
snprint(yyyy, sizeof yyyy, "%04d", tm.year+1900);
fp = vacfsgetroot(fs);
if((f = vacfilewalk(fp, yyyy)) == nil
&& (f = vacfilecreate(fp, yyyy, ModeDir|0555)) == nil)
sysfatal("vacfscreate %s: %r", yyyy);
vacfiledecref(fp);
fp = f;
snprint(mmdd, sizeof mmdd, "%02d%02d", tm.mon+1, tm.mday);
n = 0;
while((f = vacfilewalk(fp, mmdd)) != nil){
vacfiledecref(f);
n++;
snprint(mmdd+4, sizeof mmdd-4, ".%d", n);
}
f = vacfilecreate(fp, mmdd, ModeDir|0555);
if(f == nil)
sysfatal("vacfscreate %s/%s: %r", yyyy, mmdd);
vacfiledecref(fp);
if(verbose)
fprint(2, "archive %s/%s\n", yyyy, mmdd);
}else{
if(vacfile == nil)
outfd = 1;
else if((outfd = create(vacfile, OWRITE, 0666)) < 0)
sysfatal("create %s: %r", vacfile);
atexit(removevacfile);
if((fs = vacfscreate(z, blocksize, 512)) == nil)
sysfatal("vacfscreate: %r");
f = vacfsgetroot(fs);
fdiff = nil;
if(diffvac){
if((fsdiff = vacfsopen(z, diffvac, VtOREAD, 128)) == nil)
warn("vacfsopen %s: %r", diffvac);
else
fdiff = vacfsgetroot(fsdiff);
}
}
if(stdinname)
vacstdin(f, stdinname);
for(i=0; i<argc; i++){
// We can't use / and . and .. and ../.. as valid archive
// names, so expand to the list of files in the directory.
if(argv[i][0] == 0){
warn("empty string given as command-line argument");
continue;
}
cleanname(argv[i]);
if(strcmp(argv[i], "/") == 0
|| strcmp(argv[i], ".") == 0
|| strcmp(argv[i], "..") == 0
|| (strlen(argv[i]) > 3 && strcmp(argv[i]+strlen(argv[i])-3, "/..") == 0)){
if((fd = open(argv[i], OREAD)) < 0){
warn("open %s: %r", argv[i]);
continue;
}
while((n = dirread(fd, &d)) > 0){
for(j=0; j<n; j++){
s = vtmalloc(strlen(argv[i])+1+strlen(d[j].name)+1);
strcpy(s, argv[i]);
strcat(s, "/");
strcat(s, d[j].name);
cleanname(s);
vac(f, fdiff, s, &d[j]);
}
free(d);
}
close(fd);
continue;
}
if((d = dirstat(argv[i])) == nil){
warn("stat %s: %r", argv[i]);
continue;
}
vac(f, fdiff, argv[i], d);
free(d);
}
if(fdiff)
vacfiledecref(fdiff);
/*
* Record the maximum qid so that vacs can be merged
* without introducing overlapping qids. Older versions
* of vac arranged that the root would have the largest
* qid in the file system, but we can't do that anymore
* (the root gets created first!).
*/
if(_vacfsnextqid(fs, &qid) >= 0)
vacfilesetqidspace(f, 0, qid);
vacfiledecref(f);
/*
* Copy fsdiff's root block score into fs's slot for that,
* so that vacfssync will copy it into root.prev for us.
* Just nice documentation, no effect.
*/
if(fsdiff)
memmove(fs->score, fsdiff->score, VtScoreSize);
if(vacfssync(fs) < 0)
fprint(2, "vacfssync: %r\n");
fprint(outfd, "vac:%V\n", fs->score);
atexitdont(removevacfile);
vacfsclose(fs);
vthangup(z);
if(printstats){
fprint(2,
"%d files, %d files skipped, %d directories\n"
"%lld data bytes written, %lld data bytes skipped\n",
stats.nfile, stats.skipfiles, stats.ndir, stats.data, stats.skipdata);
dup(2, 1);
packetstats();
}
threadexitsall(0);
}
void
threadmain(int argc, char *argv[])
{
int vers;
ArenaPart *ap;
Part *part;
Arena *arena;
uint64_t addr, limit, asize, apsize;
char *file, *name, aname[ANameSize];
int i, n, blocksize, tabsize, zero;
ventifmtinstall();
statsinit();
blocksize = 8 * 1024;
asize = 512 * 1024 *1024;
tabsize = 512 * 1024; /* BUG: should be determine from number of arenas */
zero = -1;
vers = ArenaVersion5;
ARGBEGIN{
case 'D':
settrace(EARGF(usage()));
break;
case 'a':
asize = unittoull(EARGF(usage()));
if(asize == TWID64)
usage();
break;
case 'b':
blocksize = unittoull(EARGF(usage()));
if(blocksize == ~0)
usage();
if(blocksize > MaxDiskBlock){
fprint(2, "block size too large, max %d\n", MaxDiskBlock);
threadexitsall("usage");
}
break;
case '4':
vers = ArenaVersion4;
break;
case 'Z':
zero = 0;
break;
default:
usage();
break;
}ARGEND
if(zero == -1){
if(vers == ArenaVersion4)
zero = 1;
else
zero = 0;
}
if(argc != 2)
usage();
name = argv[0];
file = argv[1];
if(nameok(name) < 0)
sysfatal("illegal name template %s", name);
part = initpart(file, ORDWR|ODIRECT);
if(part == nil)
sysfatal("can't open partition %s: %r", file);
if(zero)
zeropart(part, blocksize);
maxblocksize = blocksize;
initdcache(20*blocksize);
ap = newarenapart(part, blocksize, tabsize);
if(ap == nil)
sysfatal("can't initialize arena: %r");
apsize = ap->size - ap->arenabase;
n = apsize / asize;
if(apsize - (n * asize) >= MinArenaSize)
n++;
fprint(2, "fmtarenas %s: %,d arenas, %,lld bytes storage, %,d bytes for index map\n",
file, n, apsize, ap->tabsize);
ap->narenas = n;
ap->map = MKNZ(AMap, n);
ap->arenas = MKNZ(Arena*, n);
addr = ap->arenabase;
for(i = 0; i < n; i++){
limit = addr + asize;
if(limit >= ap->size || ap->size - limit < MinArenaSize){
limit = ap->size;
if(limit - addr < MinArenaSize)
sysfatal("bad arena set math: runt arena at %lld,%lld %lld", addr, limit, ap->size);
}
snprint(aname, ANameSize, "%s%d", name, i);
if(0) fprint(2, "adding arena %s at [%lld,%lld)\n", aname, addr, limit);
arena = newarena(part, vers, aname, addr, limit - addr, blocksize);
if(!arena)
fprint(2, "can't make new arena %s: %r", aname);
freearena(arena);
ap->map[i].start = addr;
ap->map[i].stop = limit;
namecp(ap->map[i].name, aname);
addr = limit;
}
if(wbarenapart(ap) < 0)
fprint(2, "can't write back arena partition header for %s: %r\n", file);
flushdcache();
threadexitsall(0);
}
void
main(int argc, char *argv[])
{
int fd, i;
int n = 1000, m;
int s = 1;
double *t, t0, t1;
unsigned char *buf;
double a, d, max, min;
m = OREAD;
ARGBEGIN{
case 'n':
n = atoi(ARGF());
break;
case 's':
s = unittoull(ARGF());
if(s < 1 || s > 1024*1024)
sysfatal("bad size");
break;
case 'r':
m = OREAD;
break;
case 'w':
m = OWRITE;
break;
}ARGEND
fd = 0;
if(argc == 1){
fd = open(argv[0], m);
if(fd < 0)
sysfatal("could not open file: %s: %r", argv[0]);
}
buf = malloc(s);
t = malloc(n*sizeof(double));
t0 = nsec();
for(i=0; i<n; i++){
if(m == OREAD){
if(pread(fd, buf, s, 0) < s)
sysfatal("bad read: %r");
}else{
if(pwrite(fd, buf, s, 0) < s)
sysfatal("bad write: %r");
}
t1 = nsec();
t[i] = (t1 - t0)*1e-3;
t0 = t1;
}
a = 0.;
d = 0.;
max = 0.;
min = 1e12;
for(i=0; i<n; i++){
a += t[i];
if(max < t[i])
max = t[i];
if(min > t[i])
min = t[i];
}
a /= n;
for(i=0; i<n; i++)
d += (a - t[i]) * (a - t[i]);
d /= n;
d = sqrt(d);
print("avg = %.0fµs min = %.0fµs max = %.0fµs dev = %.0fµs\n", a, min, max, d);
exits(0);
}
void
main(int argc, char *argv[])
{
int fd, force;
Header h;
ulong bn;
Entry e;
char *label = "vfs";
char *host = nil;
char *score = nil;
u32int root;
Dir *d;
force = 0;
ARGBEGIN{
default:
usage();
case 'b':
bsize = unittoull(EARGF(usage()));
if(bsize == ~0)
usage();
break;
case 'h':
host = EARGF(usage());
break;
case 'i':
iso9660file = EARGF(usage());
iso9660off = atoi(EARGF(usage()));
break;
case 'l':
label = EARGF(usage());
break;
case 'v':
score = EARGF(usage());
break;
/*
* This is -y instead of -f because flchk has a
* (frequently used) -f option. I type flfmt instead
* of flchk all the time, and want to make it hard
* to reformat my file system accidentally.
*/
case 'y':
force = 1;
break;
}ARGEND
if(argc != 1)
usage();
if(iso9660file && score)
vtFatal("cannot use -i with -v");
vtAttach();
fmtinstall('V', scoreFmt);
fmtinstall('R', vtErrFmt);
fmtinstall('L', labelFmt);
fd = open(argv[0], ORDWR);
if(fd < 0)
vtFatal("could not open file: %s: %r", argv[0]);
buf = vtMemAllocZ(bsize);
if(pread(fd, buf, bsize, HeaderOffset) != bsize)
vtFatal("could not read fs header block: %r");
if(headerUnpack(&h, buf) && !force
&& !confirm("fs header block already exists; are you sure?"))
goto Out;
if((d = dirfstat(fd)) == nil)
vtFatal("dirfstat: %r");
if(d->type == 'M' && !force
&& !confirm("fs file is mounted via devmnt (is not a kernel device); are you sure?"))
goto Out;
partition(fd, bsize, &h);
headerPack(&h, buf);
if(pwrite(fd, buf, bsize, HeaderOffset) < bsize)
vtFatal("could not write fs header: %r");
disk = diskAlloc(fd);
if(disk == nil)
vtFatal("could not open disk: %r");
if(iso9660file)
iso9660init(fd, &h, iso9660file, iso9660off);
/* zero labels */
memset(buf, 0, bsize);
for(bn = 0; bn < diskSize(disk, PartLabel); bn++)
blockWrite(PartLabel, bn);
if(iso9660file)
iso9660labels(disk, buf, blockWrite);
if(score)
root = ventiRoot(host, score);
else{
rootMetaInit(&e);
root = rootInit(&e);
}
superInit(label, root, vtZeroScore);
diskFree(disk);
if(score == nil)
topLevel(argv[0]);
Out:
vtDetach();
exits(0);
}
void
threadmain(int argc, char *argv[])
{
char *defsrv, *srvname;
int p[2], fd;
int stdio;
char *host = nil;
ulong mem;
mem = 16<<20;
stdio = 0;
fmtinstall('H', encodefmt);
fmtinstall('V', vtscorefmt);
fmtinstall('F', vtfcallfmt);
defmnt = nil;
defsrv = nil;
ARGBEGIN{
case 'd':
fmtinstall('F', fcallfmt);
dflag = 1;
break;
case 'i':
defmnt = nil;
stdio = 1;
mfd[0] = 0;
mfd[1] = 1;
break;
case 'h':
host = EARGF(usage());
break;
case 'S':
defsrv = EARGF(usage());
break;
case 's':
defsrv = "vacfs";
break;
case 'M':
mem = unittoull(EARGF(usage()));
break;
case 'm':
defmnt = EARGF(usage());
break;
case 'p':
noperm = 1;
break;
case 'V':
chattyventi = 1;
break;
default:
usage();
}ARGEND
if(argc != 1)
usage();
#ifdef PLAN9PORT
if(defsrv == nil && defmnt == nil && !stdio){
srvname = strchr(argv[0], '/');
if(srvname)
srvname++;
else
srvname = argv[0];
defsrv = vtmalloc(6+strlen(srvname)+1);
strcpy(defsrv, "vacfs.");
strcat(defsrv, srvname);
if(strcmp(defsrv+strlen(defsrv)-4, ".vac") == 0)
defsrv[strlen(defsrv)-4] = 0;
}
#else
if(defsrv == nil && defmnt == nil && !stdio)
defmnt = "/n/vac";
#endif
if(stdio && defmnt)
sysfatal("cannot use -m with -i");
initfcalls();
notify(notifyf);
user = getuser();
conn = vtdial(host);
if(conn == nil)
sysfatal("could not connect to server: %r");
if(vtconnect(conn) < 0)
sysfatal("vtconnect: %r");
fs = vacfsopen(conn, argv[0], VtOREAD, mem);
if(fs == nil)
sysfatal("vacfsopen: %r");
if(!stdio){
if(pipe(p) < 0)
sysfatal("pipe failed: %r");
mfd[0] = p[0];
mfd[1] = p[0];
srvfd = p[1];
#ifndef PLAN9PORT
if(defsrv){
srvname = smprint("/srv/%s", defsrv);
fd = create(srvname, OWRITE|ORCLOSE, 0666);
if(fd < 0)
sysfatal("create %s: %r", srvname);
if(fprint(fd, "%d", srvfd) < 0)
sysfatal("write %s: %r", srvname);
free(srvname);
}
#endif
}
#ifdef PLAN9PORT
USED(fd);
proccreate(srv, 0, 32 * 1024);
if(!stdio && post9pservice(p[1], defsrv, defmnt) < 0)
sysfatal("post9pservice");
#else
procrfork(srv, 0, 32 * 1024, RFFDG|RFNAMEG|RFNOTEG);
if(!stdio){
close(p[0]);
if(defmnt){
if(mount(srvfd, -1, defmnt, MREPL|MCREATE, "") < 0)
sysfatal("mount %s: %r", defmnt);
}
}
#endif
threadexits(0);
}
void
threadmain(int argc, char *argv[])
{
char *configfile, *haddr, *vaddr, *webroot;
u32int mem, icmem, bcmem, minbcmem, mempcnt, stfree;
Allocs allocs;
Config config;
traceinit();
threadsetname("main");
mempcnt = 0;
vaddr = nil;
haddr = nil;
configfile = nil;
webroot = nil;
mem = Unspecified;
icmem = 0;
bcmem = 0;
ARGBEGIN{
case 'a':
vaddr = EARGF(usage());
break;
case 'B':
bcmem = unittoull(EARGF(usage()));
break;
case 'c':
configfile = EARGF(usage());
break;
case 'C':
mem = unittoull(EARGF(usage()));
break;
case 'D':
settrace(EARGF(usage()));
break;
case 'd':
debug = 1;
nofork = 1;
break;
case 'h':
haddr = EARGF(usage());
break;
case 'm':
mempcnt = atoi(EARGF(usage()));
if (mempcnt <= 0 || mempcnt >= 100)
usage();
break;
case 'I':
icmem = unittoull(EARGF(usage()));
break;
case 'L':
ventilogging = 1;
break;
case 'r':
readonly = 1;
break;
case 's':
nofork = 1;
break;
case 'w': /* compatibility with old venti */
queuewrites = 1;
break;
case 'W':
webroot = EARGF(usage());
break;
default:
usage();
}ARGEND
if(argc)
usage();
if(!nofork)
rfork(RFNOTEG);
#ifdef PLAN9PORT
{
/* sigh - needed to avoid signals when writing to hungup networks */
struct sigaction sa;
memset(&sa, 0, sizeof sa);
sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sa, nil);
}
#endif
ventifmtinstall();
trace(TraceQuiet, "venti started");
fprint(2, "%T venti: ");
if(configfile == nil)
configfile = "venti.conf";
/* remember free memory before initventi & loadbloom, for auto-sizing */
stfree = freemem();
fprint(2, "conf...");
if(initventi(configfile, &config) < 0)
sysfatal("can't init server: %r");
/*
* load bloom filter
*/
if(mainindex->bloom && loadbloom(mainindex->bloom) < 0)
sysfatal("can't load bloom filter: %r");
/*
* size memory allocations; assumes bloom filter is loaded
*/
allocs = sizeallocs((Allocs){mem, bcmem, icmem, stfree, mempcnt},
&config);
mem = allocs.mem;
bcmem = allocs.bcmem;
icmem = allocs.icmem;
fprint(2, "%s: mem %,ud bcmem %,ud icmem %,ud...",
argv0, mem, bcmem, icmem);
/*
* default other configuration-file parameters
*/
if(haddr == nil)
haddr = config.haddr;
if(vaddr == nil)
vaddr = config.vaddr;
if(vaddr == nil)
vaddr = "tcp!*!venti";
if(webroot == nil)
webroot = config.webroot;
if(queuewrites == 0)
queuewrites = config.queuewrites;
if(haddr){
fprint(2, "httpd %s...", haddr);
if(httpdinit(haddr, webroot) < 0)
fprint(2, "warning: can't start http server: %r");
}
fprint(2, "init...");
/*
* lump cache
*/
if(0) fprint(2, "initialize %d bytes of lump cache for %d lumps\n",
mem, mem / (8 * 1024));
initlumpcache(mem, mem / (8 * 1024));
/*
* index cache
*/
initicache(icmem);
initicachewrite();
/*
* block cache: need a block for every arena and every process
*/
minbcmem = maxblocksize *
(mainindex->narenas + mainindex->nsects*4 + 16);
if(bcmem < minbcmem)
bcmem = minbcmem;
if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
initdcache(bcmem);
if(mainindex->bloom)
startbloomproc(mainindex->bloom);
fprint(2, "sync...");
if(!readonly && syncindex(mainindex) < 0)
sysfatal("can't sync server: %r");
if(!readonly && queuewrites){
fprint(2, "queue...");
if(initlumpqueues(mainindex->nsects) < 0){
fprint(2, "can't initialize lump queues,"
" disabling write queueing: %r");
queuewrites = 0;
}
}
if(initarenasum() < 0)
fprint(2, "warning: can't initialize arena summing process: %r");
fprint(2, "announce %s...", vaddr);
ventisrv = vtlisten(vaddr);
if(ventisrv == nil)
sysfatal("can't announce %s: %r", vaddr);
fprint(2, "serving.\n");
if(nofork)
ventiserver(nil);
else
vtproc(ventiserver, nil);
threadexits(nil);
}
void
threadmain(int argc, char *argv[])
{
int i, nline;
char *p, *q, *table, *table1, *f[10], line[256];
vlong start, stop;
ArenaPart ap;
ArenaPart ap1;
ventifmtinstall();
blocksize = MaxIoSize;
ARGBEGIN{
case 'b':
blocksize = unittoull(EARGF(usage()));
break;
case 's':
sleepms = atoi(EARGF(usage()));
break;
case 'v':
verbose++;
break;
default:
usage();
break;
}ARGEND
if(argc < 2)
usage();
data = vtmalloc(blocksize);
data1 = vtmalloc(blocksize);
if((fd = open(argv[0], OREAD)) < 0)
sysfatal("open %s: %r", argv[0]);
if((fd1 = open(argv[1], OREAD)) < 0)
sysfatal("open %s: %r", argv[0]);
table = readap(fd, &ap);
table1 = readap(fd1, &ap1);
if(strcmp(table, table1) != 0)
sysfatal("arena partitions do not have identical tables");
nline = atoi(table);
p = strchr(table, '\n');
if(p)
p++;
for(i=0; i<nline; i++){
if(p == nil){
fprint(2, "warning: unexpected arena table end\n");
break;
}
q = strchr(p, '\n');
if(q)
*q++ = 0;
if(strlen(p) >= sizeof line){
fprint(2, "warning: long arena table line: %s\n", p);
p = q;
continue;
}
strcpy(line, p);
memset(f, 0, sizeof f);
if(tokenize(line, f, nelem(f)) < 3){
fprint(2, "warning: bad arena table line: %s\n", p);
p = q;
continue;
}
p = q;
if(shouldcheck(f[0], argv+1, argc-1)){
start = strtoull(f[1], 0, 0);
stop = strtoull(f[2], 0, 0);
if(stop <= start){
fprint(2, "%s: bad start,stop %lld,%lld\n", f[0], stop, start);
continue;
}
if(seek(fd, start, 0) < 0)
fprint(2, "%s: seek to start: %r\n", f[0]);
if(seek(fd1, start, 0) < 0)
fprint(2, "%s: seek to start: %r\n", f[0]);
cmparena(f[0], stop - start);
}
}
for(i=2; i<argc; i++)
if(argv[i] != 0)
fprint(2, "%s: did not find arena\n", argv[i]);
threadexitsall(nil);
}
void
threadmain(int argc, char *argv[])
{
int vers;
ISect *is;
Part *part;
char *file, *name;
int blocksize, setsize, zero;
ventifmtinstall();
statsinit();
blocksize = 8 * 1024;
setsize = 512 * 1024;
zero = -1;
vers = ISectVersion2;
ARGBEGIN{
case 'b':
blocksize = unittoull(ARGF());
if(blocksize == ~0)
usage();
if(blocksize > MaxDiskBlock){
fprint(2, "block size too large, max %d\n", MaxDiskBlock);
threadexitsall("usage");
}
break;
case '1':
vers = ISectVersion1;
break;
case 'Z':
zero = 0;
break;
default:
usage();
break;
}ARGEND
if(zero == -1){
if(vers == ISectVersion1)
zero = 1;
else
zero = 0;
}
if(argc != 2)
usage();
name = argv[0];
file = argv[1];
if(nameok(name) < 0)
sysfatal("illegal name %s", name);
part = initpart(file, ORDWR|ODIRECT);
if(part == nil)
sysfatal("can't open partition %s: %r", file);
if(zero)
zeropart(part, blocksize);
is = newisect(part, vers, name, blocksize, setsize);
if(is == nil)
sysfatal("can't initialize new index: %r");
fprint(2, "fmtisect %s: %,d buckets of %,d entries, %,d bytes for index map\n",
file, is->blocks, is->buckmax, setsize);
if(wbisect(is) < 0)
fprint(2, "can't write back index section header for %s: %r\n", file);
threadexitsall(0);
}