struct mddev_dev *conf_get_devs()
{
glob_t globbuf;
struct conf_dev *cd;
int flags = 0;
static struct mddev_dev *dlist = NULL;
unsigned int i;
while (dlist) {
struct mddev_dev *t = dlist;
dlist = dlist->next;
free(t->devname);
free(t);
}
load_conffile();
if (cdevlist == NULL) {
/* default to 'partitions' and 'containers' */
dlist = load_partitions();
append_dlist(&dlist, load_containers());
}
for (cd=cdevlist; cd; cd=cd->next) {
if (strcasecmp(cd->name, "partitions")==0)
append_dlist(&dlist, load_partitions());
else if (strcasecmp(cd->name, "containers")==0)
append_dlist(&dlist, load_containers());
else {
glob(cd->name, flags, NULL, &globbuf);
flags |= GLOB_APPEND;
}
}
if (flags & GLOB_APPEND) {
for (i=0; i<globbuf.gl_pathc; i++) {
struct mddev_dev *t = xmalloc(sizeof(*t));
memset(t, 0, sizeof(*t));
t->devname = xstrdup(globbuf.gl_pathv[i]);
t->next = dlist;
dlist = t;
/* printf("one dev is %s\n", t->devname);*/
}
globfree(&globbuf);
}
return dlist;
}
/*
* Create partitions and return an OID of the partition that contain value
*/
Oid
create_partitions(Oid relid, Datum value, Oid value_type, bool *crashed)
{
int ret;
RangeEntry *ranges;
Datum vals[2];
Oid oids[] = {OIDOID, value_type};
bool nulls[] = {false, false};
char *sql;
bool found;
int pos;
PartRelationInfo *prel;
RangeRelation *rangerel;
FmgrInfo cmp_func;
char *schema;
*crashed = false;
schema = get_extension_schema();
prel = get_pathman_relation_info(relid, NULL);
rangerel = get_pathman_range_relation(relid, NULL);
/* Comparison function */
cmp_func = *get_cmp_func(value_type, prel->atttype);
vals[0] = ObjectIdGetDatum(relid);
vals[1] = value;
/* Perform PL procedure */
sql = psprintf("SELECT %s.append_partitions_on_demand_internal($1, $2)",
schema);
PG_TRY();
{
ret = SPI_execute_with_args(sql, 2, oids, vals, nulls, false, 0);
if (ret > 0)
{
/* Update relation info */
free_dsm_array(&rangerel->ranges);
free_dsm_array(&prel->children);
load_partitions(relid, GetCatalogSnapshot(relid));
}
}
PG_CATCH();
{
elog(WARNING, "Attempt to create new partitions failed");
if (crashed != NULL)
*crashed = true;
return 0;
}
PG_END_TRY();
/* Repeat binary search */
ranges = dsm_array_get_pointer(&rangerel->ranges);
pos = range_binary_search(rangerel, &cmp_func, value, &found);
if (found)
return ranges[pos].child_oid;
return 0;
}
mddev_dev_t conf_get_devs()
{
glob_t globbuf;
struct conf_dev *cd;
int flags = 0;
static mddev_dev_t dlist = NULL;
unsigned int i;
while (dlist) {
mddev_dev_t t = dlist;
dlist = dlist->next;
free(t->devname);
free(t);
}
load_conffile();
if (cdevlist == NULL)
/* default to 'partitions */
dlist = load_partitions();
for (cd=cdevlist; cd; cd=cd->next) {
if (strcasecmp(cd->name, "partitions")==0 && dlist == NULL)
dlist = load_partitions();
else {
glob(cd->name, flags, NULL, &globbuf);
flags |= GLOB_APPEND;
}
}
if (flags & GLOB_APPEND) {
for (i=0; i<globbuf.gl_pathc; i++) {
mddev_dev_t t = malloc(sizeof(*t));
t->devname = strdup(globbuf.gl_pathv[i]);
t->next = dlist;
t->used = 0;
dlist = t;
/* printf("one dev is %s\n", t->devname);*/
}
globfree(&globbuf);
}
return dlist;
}
