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Refactor.

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2014-02-11 10:53:08 +00:00
parent 1ecb3c5857
commit 2fabfaa504
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=261749
1 changed files with 64 additions and 58 deletions
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122
usr.sbin/ctld/ctld.c
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@ -869,14 +869,74 @@ conf_print(struct conf *conf)
}
#endif
static int
conf_verify_lun(struct lun *lun)
{
const struct lun *lun2;
if (lun->l_backend == NULL)
lun_set_backend(lun, "block");
if (strcmp(lun->l_backend, "block") == 0) {
if (lun->l_path == NULL) {
log_warnx("missing path for lun %d, target \"%s\"",
lun->l_lun, lun->l_target->t_iqn);
return (1);
}
} else if (strcmp(lun->l_backend, "ramdisk") == 0) {
if (lun->l_size == 0) {
log_warnx("missing size for ramdisk-backed lun %d, "
"target \"%s\"", lun->l_lun, lun->l_target->t_iqn);
return (1);
}
if (lun->l_path != NULL) {
log_warnx("path must not be specified "
"for ramdisk-backed lun %d, target \"%s\"",
lun->l_lun, lun->l_target->t_iqn);
return (1);
}
}
if (lun->l_lun < 0 || lun->l_lun > 255) {
log_warnx("invalid lun number for lun %d, target \"%s\"; "
"must be between 0 and 255", lun->l_lun,
lun->l_target->t_iqn);
return (1);
}
#if 1 /* Should we? */
TAILQ_FOREACH(lun2, &lun->l_target->t_luns, l_next) {
if (lun == lun2)
continue;
if (lun->l_path != NULL && lun2->l_path != NULL &&
strcmp(lun->l_path, lun2->l_path) == 0)
log_debugx("WARNING: duplicate path for lun %d, "
"target \"%s\"", lun->l_lun, lun->l_target->t_iqn);
}
#endif
if (lun->l_blocksize == 0) {
lun_set_blocksize(lun, DEFAULT_BLOCKSIZE);
} else if (lun->l_blocksize < 0) {
log_warnx("invalid blocksize for lun %d, target \"%s\"; "
"must be larger than 0", lun->l_lun, lun->l_target->t_iqn);
return (1);
}
if (lun->l_size != 0 && lun->l_size % lun->l_blocksize != 0) {
log_warnx("invalid size for lun %d, target \"%s\"; "
"must be multiple of blocksize", lun->l_lun,
lun->l_target->t_iqn);
return (1);
}
return (0);
}
int
conf_verify(struct conf *conf)
{
struct auth_group *ag;
struct portal_group *pg;
struct target *targ;
struct lun *lun, *lun2;
struct lun *lun;
bool found_lun0;
int error;
if (conf->conf_pidfile_path == NULL)
conf->conf_pidfile_path = checked_strdup(DEFAULT_PIDFILE);
@ -895,65 +955,11 @@ conf_verify(struct conf *conf)
}
found_lun0 = false;
TAILQ_FOREACH(lun, &targ->t_luns, l_next) {
error = conf_verify_lun(lun);
if (error != 0)
return (error);
if (lun->l_lun == 0)
found_lun0 = true;
if (lun->l_backend == NULL)
lun_set_backend(lun, "block");
if (strcmp(lun->l_backend, "block") == 0 &&
lun->l_path == NULL) {
log_warnx("missing path for lun %d, "
"target \"%s\"", lun->l_lun, targ->t_iqn);
return (1);
}
if (strcmp(lun->l_backend, "ramdisk") == 0) {
if (lun->l_size == 0) {
log_warnx("missing size for "
"ramdisk-backed lun %d, "
"target \"%s\"",
lun->l_lun, targ->t_iqn);
return (1);
}
if (lun->l_path != NULL) {
log_warnx("path must not be specified "
"for ramdisk-backed lun %d, "
"target \"%s\"",
lun->l_lun, targ->t_iqn);
return (1);
}
}
if (lun->l_lun < 0 || lun->l_lun > 255) {
log_warnx("invalid lun number for lun %d, "
"target \"%s\"; must be between 0 and 255",
lun->l_lun, targ->t_iqn);
return (1);
}
#if 1 /* Should we? */
TAILQ_FOREACH(lun2, &targ->t_luns, l_next) {
if (lun == lun2)
continue;
if (lun->l_path != NULL &&
lun2->l_path != NULL &&
strcmp(lun->l_path, lun2->l_path) == 0)
log_debugx("WARNING: duplicate path "
"for lun %d, target \"%s\"",
lun->l_lun, targ->t_iqn);
}
#endif
if (lun->l_blocksize == 0) {
lun_set_blocksize(lun, DEFAULT_BLOCKSIZE);
} else if (lun->l_blocksize <= 0) {
log_warnx("invalid blocksize for lun %d, "
"target \"%s\"; must be larger than 0",
lun->l_lun, targ->t_iqn);
return (1);
}
if (lun->l_size != 0 &&
lun->l_size % lun->l_blocksize != 0) {
log_warnx("invalid size for lun %d, target "
"\"%s\"; must be multiple of blocksize",
lun->l_lun, targ->t_iqn);
return (1);
}
}
if (!found_lun0) {
log_warnx("mandatory LUN 0 not configured "