/*
* Get the attributes for all the files in a filesystem in bulk,
* and print out the handles and sizes of any that meet our target
* criteria.
*
* We are not interested in file names; if we were, then we would
* have to do a dm_get_dirattrs() on each directroy, then use
* dm_handle_to_path() to get the pathname.
*/
int
scan_fs(
dm_sessid_t sid,
void *fs_hanp,
size_t fs_hlen,
dm_off_t target_size)
{
u_int mask; /* attributes to scan for */
dm_stat_t *dm_statbuf, *sbuf; /* attributes buffer */
dm_attrloc_t locp; /* opaque location in fs */
size_t rlenp; /* ret length of stat info */
size_t buflen; /* length of stat buffer */
void *hanp; /* file handle */
size_t hlen; /* file handle */
int more; /* loop terminator */
int error;
/*
* Size the stat buffer to return info on 1K files at a time
*/
buflen = sizeof(dm_stat_t) * 1024;
#ifdef VERITAS_21
if (buflen > 65536)
buflen = 65536;
#endif
dm_statbuf = (dm_stat_t *)calloc(1, buflen);
if (dm_statbuf == NULL) {
err_msg("Can't get memory for stat buffer");
return(1);
}
/*
* Initialize the offset opaque offset cookie that
* we use in successive calls to dm_get_bulkattr()
*/
error = dm_init_attrloc(sid, fs_hanp, fs_hlen, DM_NO_TOKEN, &locp);
if (error == -1) {
errno_msg("%s/%d: Can't initialize offset cookie (%d)", __FILE__, __LINE__, errno);
free(dm_statbuf);
return(1);
}
/*
* Set our stat mask so that we'll only get the normal stat(2)
* info and the file's handle
*/
mask = DM_AT_HANDLE | DM_AT_STAT;
do {
more = dm_get_bulkattr(sid, fs_hanp, fs_hlen, DM_NO_TOKEN,
mask, &locp, buflen, dm_statbuf, &rlenp);
if (more == -1) {
errno_msg("%s/%d: Can't get bulkattr for filesystem", __FILE__, __LINE__, errno);
break;
}
/*
* Walk through the stat buffer and pull out files
* that are of interest
*
* The stat buffer is variable length, so we must
* use the DM_STEP_TO_NEXT macro to access each individual
* dm_stat_t structure in the returned buffer.
*/
sbuf = dm_statbuf;
while (sbuf != NULL) {
if (S_ISREG(sbuf->dt_mode) &&
sbuf->dt_size >= target_size) {
hanp = DM_GET_VALUE(sbuf, dt_handle, void *);
hlen = DM_GET_LEN(sbuf, dt_handle);
print_victim(hanp, hlen, sbuf->dt_size);
}
sbuf = DM_STEP_TO_NEXT(sbuf, dm_stat_t *);
}
} while (more == 1);
free(dm_statbuf);
if (more == -1)
return(1);
return(0);
}
int
main(
int argc,
char **argv)
{
dm_sessid_t sid, oldsid, targetsid, *newsidp, *sidbufp;
dm_token_t token, *tokenp, *rtokenp, *tokenbufp;
dm_attrname_t *attrnamep;
dm_off_t off, *offp, *roffp;
dm_extent_t *extentp;
dm_inherit_t *inheritbufp;
dm_stat_t *statp;
dm_size_t len, *dmrlenp, *retvalp;
dm_attrloc_t *locp;
dm_eventset_t *eventsetp;
dm_config_t flagname;
dm_region_t *regbufp;
dm_response_t response;
dm_right_t right, *rightp;
dm_igen_t igen, *igenp;
dm_msgtype_t msgtype;
dm_fileattr_t *attrp;
dm_boolean_t enable, *exactflagp;
dm_timestruct_t *delay;
mode_t mode;
size_t hlen, dirhlen, hlen1, hlen2, targhlen, *fshlenp, *hlenp;
size_t msglen, buflen, *rlenp;
u_int nelem, mask, maxmsgs, uflags, *nelemp, maxevent;
void *hanp, *dirhanp, *hanp1, *hanp2, *targhanp;
void *msgdatap, *bufp, **hanpp, *respbufp, **fshanpp;
dm_fsid_t fsid, *fsidp;
dm_ino_t ino, *inop;
char *cname, *sessinfop, *path, *pathbufp, **versionstrpp;
int flags, fd, setdtime, reterror;
u_int urc;
int rc;
dm_ssize_t ssrc;
/* Definitions per the prototypes in dmport.h, in the same order. */
rc = dm_clear_inherit(sid, hanp, hlen, token, attrnamep);
rc = dm_create_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname);
rc = dm_create_session(oldsid, sessinfop, newsidp);
rc = dm_create_userevent(sid, msglen, msgdatap, tokenp);
rc = dm_destroy_session(sid);
rc = dm_downgrade_right(sid, hanp, hlen, token);
rc = dm_fd_to_handle(fd, hanpp, hlenp);
rc = dm_find_eventmsg(sid, token, buflen, bufp, rlenp);
rc = dm_get_allocinfo(sid, hanp, hlen,
token, offp, nelem, extentp, nelemp);
rc = dm_get_bulkall(sid, hanp, hlen, token, mask, attrnamep,
locp, buflen, bufp, rlenp);
rc = dm_get_bulkattr(sid, hanp, hlen, token, mask, locp, buflen,
bufp, rlenp);
rc = dm_get_config(hanp, hlen, flagname, retvalp);
rc = dm_get_config_events(hanp, hlen, nelem, eventsetp, nelemp);
rc = dm_get_dirattrs(sid, hanp, hlen, token, mask, locp, buflen,
bufp, rlenp);
rc = dm_get_dmattr(sid, hanp, hlen, token, attrnamep, buflen,
bufp, rlenp);
rc = dm_get_eventlist(sid, hanp, hlen, token, nelem, eventsetp, nelemp);
rc = dm_get_events(sid, maxmsgs, flags, buflen, bufp, rlenp);
rc = dm_get_fileattr(sid, hanp, hlen, token, mask, statp);
rc = dm_get_mountinfo(sid, hanp, hlen, token, buflen, bufp, rlenp);
rc = dm_get_region(sid, hanp, hlen, token, nelem, regbufp, nelemp);
rc = dm_getall_disp(sid, buflen, bufp, rlenp);
rc = dm_getall_dmattr(sid, hanp, hlen, token, buflen, bufp, rlenp);
rc = dm_getall_inherit(sid, hanp, hlen,
token, nelem, inheritbufp, nelemp);
rc = dm_getall_sessions(nelem, sidbufp, nelemp);
rc = dm_getall_tokens(sid, nelem, tokenbufp, nelemp);
rc = dm_handle_cmp(hanp1, hlen1, hanp2, hlen2);
dm_handle_free(hanp, hlen);
urc = dm_handle_hash(hanp, hlen);
rc = dm_handle_is_valid(hanp, hlen);
rc = dm_handle_to_fshandle(hanp, hlen, fshanpp, fshlenp);
rc = dm_handle_to_fsid(hanp, hlen, fsidp);
rc = dm_handle_to_igen(hanp, hlen, igenp);
rc = dm_handle_to_ino(hanp, hlen, inop);
rc = dm_handle_to_path(dirhanp, dirhlen, targhanp, targhlen,
buflen, pathbufp, rlenp);
rc = dm_init_attrloc(sid, hanp, hlen, token, locp);
rc = dm_init_service(versionstrpp);
rc = dm_make_handle(&fsid, &ino, &igen, hanpp, hlenp);
rc = dm_make_fshandle(&fsid, hanpp, hlenp);
rc = dm_mkdir_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname);
rc = dm_move_event(sid, token, targetsid, rtokenp);
rc = dm_obj_ref_hold(sid, token, hanp, hlen);
rc = dm_obj_ref_query(sid, token, hanp, hlen);
rc = dm_obj_ref_rele(sid, token, hanp, hlen);
rc = dm_path_to_fshandle(path, hanpp, hlenp);
rc = dm_path_to_handle(path, hanpp, hlenp);
rc = dm_pending(sid, token, delay);
rc = dm_probe_hole(sid, hanp, hlen, token, off, len, roffp, dmrlenp);
rc = dm_punch_hole(sid, hanp, hlen, token, off, len);
rc = dm_query_right(sid, hanp, hlen, token, rightp);
rc = dm_query_session(sid, buflen, bufp, rlenp);
ssrc = dm_read_invis(sid, hanp, hlen, token, off, len, bufp);
rc = dm_release_right(sid, hanp, hlen, token);
rc = dm_remove_dmattr(sid, hanp, hlen, token, setdtime, attrnamep);
rc = dm_request_right(sid, hanp, hlen, token, uflags, right);
rc = dm_respond_event(sid, token, response, reterror, buflen, respbufp);
rc = dm_send_msg(sid, msgtype, buflen, bufp);
rc = dm_set_disp(sid, hanp, hlen, token, eventsetp, maxevent);
rc = dm_set_dmattr(sid, hanp, hlen,
token, attrnamep, setdtime, buflen, bufp);
rc = dm_set_eventlist(sid, hanp, hlen, token, eventsetp, maxevent);
rc = dm_set_fileattr(sid, hanp, hlen, token, mask, attrp);
rc = dm_set_inherit(sid, hanp, hlen, token, attrnamep, mode);
rc = dm_set_region(sid, hanp, hlen, token, nelem, regbufp, exactflagp);
rc = dm_set_return_on_destroy(sid, hanp, hlen,
token, attrnamep, enable);
rc = dm_symlink_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname, path);
rc = dm_sync_by_handle(sid, hanp, hlen, token);
rc = dm_upgrade_right(sid, hanp, hlen, token);
ssrc = dm_write_invis(sid, hanp, hlen, flags, token, off, len, bufp);
exit(0);
}
