Exemplo n.º 1
0
Arquivo: rpmfs.c Projeto: soig/rpm
rpmfs rpmfsNew(rpm_count_t fc, int initState)
{
    rpmfs fs = xcalloc(1, sizeof(*fs));
    fs->fc = fc;
    fs->actions = xmalloc(fs->fc * sizeof(*fs->actions));
    rpmfsResetActions(fs);
    if (initState) {
        fs->states = xmalloc(sizeof(*fs->states) * fs->fc);
        memset(fs->states, RPMFILE_STATE_NORMAL, fs->fc);
    }
    return fs;
}
Exemplo n.º 2
0
static int rpmtsPrepare(rpmts ts)
{
    tsMembers tsmem = rpmtsMembers(ts);
    rpmtsi pi;
    rpmte p;
    int rc = 0;
    uint64_t fileCount = countFiles(ts);
    const char *dbhome = NULL;
    struct stat dbstat;

    fingerPrintCache fpc = fpCacheCreate(fileCount/2 + 10001, rpmtsPool(ts));

    rpmlog(RPMLOG_DEBUG, "computing %" PRIu64 " file fingerprints\n", fileCount);

    /* Reset actions, set skip for netshared paths and excluded files */
    pi = rpmtsiInit(ts);
    while ((p = rpmtsiNext(pi, 0)) != NULL) {
	rpmfiles files = rpmteFiles(p);
	if (rpmfilesFC(files) > 0) {
	    rpmfs fs = rpmteGetFileStates(p);
	    /* Ensure clean state, this could get called more than once. */
	    rpmfsResetActions(fs);
	    if (rpmteType(p) == TR_ADDED) {
		skipInstallFiles(ts, files, fs);
	    } else {
		skipEraseFiles(ts, files, fs);
	    }
	}
	rpmfilesFree(files);
    }
    rpmtsiFree(pi);

    /* Open rpmdb & enter chroot for fingerprinting if necessary */
    if (rpmdbOpenAll(ts->rdb) || rpmChrootIn()) {
	rc = -1;
	goto exit;
    }
    
    rpmtsNotify(ts, NULL, RPMCALLBACK_TRANS_START, 6, tsmem->orderCount);
    /* Add fingerprint for each file not skipped. */
    fpCachePopulate(fpc, ts, fileCount);
    /* check against files in the rpmdb */
    checkInstalledFiles(ts, fileCount, fpc);

    dbhome = rpmdbHome(rpmtsGetRdb(ts));
    /* If we can't stat, ignore db growth. Probably not right but... */
    if (dbhome && stat(dbhome, &dbstat))
	dbhome = NULL;

    pi = rpmtsiInit(ts);
    while ((p = rpmtsiNext(pi, 0)) != NULL) {
	rpmfiles files = rpmteFiles(p);;
	if (files == NULL)
	    continue;   /* XXX can't happen */

	(void) rpmswEnter(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0);
	/* check files in ts against each other and update disk space
	   needs on each partition for this package. */
	handleOverlappedFiles(ts, fpc, p, files);

	/* Check added package has sufficient space on each partition used. */
	if (rpmteType(p) == TR_ADDED) {
	    /*
	     * Try to estimate space needed for rpmdb growth: guess that the
	     * db grows 4 times the header size (indexes and all).
	     */
	    if (dbhome) {
		int64_t hsize = rpmteHeaderSize(p) * 4;
		rpmtsUpdateDSI(ts, dbstat.st_dev, dbhome,
			       hsize, 0, 0, FA_CREATE);
	    }

	    rpmtsCheckDSIProblems(ts, p);
	}
	(void) rpmswExit(rpmtsOp(ts, RPMTS_OP_FINGERPRINT), 0);
	rpmfilesFree(files);
    }
    rpmtsiFree(pi);
    rpmtsNotify(ts, NULL, RPMCALLBACK_TRANS_STOP, 6, tsmem->orderCount);

    /* return from chroot if done earlier */
    if (rpmChrootOut())
	rc = -1;

    /* On actual transaction, file info sets are not needed after this */
    if (!(rpmtsFlags(ts) & (RPMTRANS_FLAG_TEST|RPMTRANS_FLAG_BUILD_PROBS))) {
	pi = rpmtsiInit(ts);
	while ((p = rpmtsiNext(pi, 0)) != NULL) {
	    rpmteCleanFiles(p);
	}
	rpmtsiFree(pi);
    }

exit:
    fpCacheFree(fpc);
    rpmtsFreeDSI(ts);
    return rc;
}