static int _pvsegs_sub_single(struct cmd_context *cmd, struct volume_group *vg,
struct pv_segment *pvseg, void *handle)
{
int consistent = 0;
struct physical_volume *pv = pvseg->pv;
int ret = ECMD_PROCESSED;
if (!lock_vol(cmd, pv_vg_name(pv), LCK_VG_READ)) {
log_error("Can't lock %s: skipping", pv_vg_name(pv));
return ECMD_FAILED;
}
if (!(vg = vg_read(cmd, pv_vg_name(pv), NULL, &consistent))) {
log_error("Can't read %s: skipping", pv_vg_name(pv));
goto out;
}
if (!vg_check_status(vg, CLUSTERED)) {
ret = ECMD_FAILED;
goto out;
}
if (!report_object(handle, vg, NULL, pv, NULL, pvseg))
ret = ECMD_FAILED;
out:
unlock_vg(cmd, pv_vg_name(pv));
return ret;
}
ssize_t
parser_fill (Parser *parser)
{
unsigned char *inbuf, *inptr, *inend;
ssize_t nread;
size_t inlen;
inbuf = parser->inbuf;
inptr = parser->inptr;
inend = parser->inend;
inlen = inend - inptr;
g_assert (inptr <= inend);
/* attempt to align 'inend' with realbuf + PARSER_SCAN_HEAD */
if (inptr >= inbuf) {
inbuf -= inlen < PARSER_SCAN_HEAD ? inlen : PARSER_SCAN_HEAD;
memmove (inbuf, inptr, inlen);
inptr = inbuf;
inbuf += inlen;
} else if (inptr > parser->realbuf) {
size_t shift;
shift = MIN (inptr - parser->realbuf, inend - inbuf);
memmove (inptr - shift, inptr, inlen);
inptr -= shift;
inbuf = inptr + inlen;
} else {
/* we can't shift... */
inbuf = inend;
}
parser->inptr = inptr;
parser->inend = inbuf;
inend = parser->realbuf + PARSER_SCAN_HEAD + PARSER_SCAN_BUF - 1;
if ((nread = vg_read (parser->fd, inbuf, inend - inbuf)) == -1)
return -1;
parser->inend += nread;
return parser->inend - parser->inptr;
}
