GError *
meta0_backend_reset(struct meta0_backend_s *m0, gboolean flag_local)
{
EXTRA_ASSERT(m0 != NULL);
GError *err = NULL;
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
err = _open_and_lock(m0, flag_local ? M0V2_OPENBASE_LOCAL : M0V2_OPENBASE_MASTERONLY, &sq3);
if (err) return err;
if (!(err = sqlx_transaction_begin (sq3, &repctx))) {
gint rc;
sqlite3_stmt *stmt = NULL;
sqlite3_prepare_debug (rc, sq3->db, "DELETE FROM meta1", -1, &stmt, NULL);
if (rc != SQLITE_OK && rc != SQLITE_DONE)
err = SQLITE_GERROR(sq3->db, rc);
else {
sqlite3_step_debug_until_end (rc, stmt);
if (rc != SQLITE_OK && rc != SQLITE_DONE)
err = SQLITE_GERROR(sq3->db, rc);
else
sqlx_transaction_notify_huge_changes (repctx);
sqlite3_finalize_debug (rc, stmt);
}
err = sqlx_transaction_end (repctx, err);
}
_unlock_and_close (sq3);
return NULL;
}
GError*
meta0_backend_assign(struct meta0_backend_s *m0,
const GPtrArray *new_assign_prefixes,
const GPtrArray *new_assign_meta1ref, const gboolean init)
{
GError *err;
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
EXTRA_ASSERT(m0 != NULL);
EXTRA_ASSERT(new_assign_prefixes != NULL);
EXTRA_ASSERT(new_assign_meta1ref != NULL);
err = _open_and_lock(m0, M0V2_OPENBASE_MASTERONLY, &sq3);
if (NULL != err)
return err;
err = sqlx_transaction_begin(sq3, &repctx);
if (NULL == err) {
err = _assign_prefixes(sq3->db, new_assign_prefixes,init);
if (!err)
err = _record_meta1ref(sq3->db, new_assign_meta1ref);
err = sqlx_transaction_end(repctx, err);
}
_unlock_and_close(sq3);
return err;
}
GError *
meta1_backend_services_link (struct meta1_backend_s *m1,
struct oio_url_s *url, const char *srvtype,
gboolean dryrun, gboolean autocreate,
gchar ***result)
{
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
gboolean renewed = FALSE;
if (!(err = __info_user(sq3, url, autocreate, NULL))) {
enum m1v2_getsrv_e mode = dryrun ? M1V2_GETSRV_DRYRUN : M1V2_GETSRV_REUSE;
err = __get_container_service(sq3, url, srvtype, m1, mode, result, &renewed);
if (NULL != err)
g_prefix_error(&err, "Query error: ");
}
if (!(err = sqlx_transaction_end(repctx, err))) {
if (renewed)
__notify_services_by_cid(m1, sq3, url);
}
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
GError*
meta1_backend_services_set(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *packedurl,
gboolean autocreate, gboolean force)
{
struct meta1_service_url_s *m1url;
if (!(m1url = meta1_unpack_url(packedurl)))
return NEWERROR(CODE_BAD_REQUEST, "Invalid URL");
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3);
if (err) {
g_free(m1url);
return err;
}
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, autocreate, NULL)))
err = __save_service(sq3, url, m1url, force);
if (!(err = sqlx_transaction_end(repctx, err)))
__notify_services_by_cid(m1, sq3, url);
}
sqlx_repository_unlock_and_close_noerror(sq3);
g_free(m1url);
/* XXX JFS: ugly quirk until we find a pretty way to distinguish the
* commit errors (e.g. it can fail because of a replication error or
* a constraint violation) */
if (err && NULL != strstr(err->message, "UNIQUE"))
err->code = CODE_SRV_ALREADY;
return err;
}
GError *
meta1_backend_services_all(struct meta1_backend_s *m1,
struct oio_url_s *url, gchar ***result)
{
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERSLAVE, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
struct meta1_service_url_s **used = NULL;
if (NULL != (err = __get_all_services(sq3, &used)))
g_prefix_error(&err, "Query error: ");
else {
struct meta1_service_url_s **expanded = expand_urlv(used);
*result = pack_urlv(expanded);
meta1_service_url_cleanv(expanded);
meta1_service_url_cleanv(used);
}
err = sqlx_transaction_end(repctx, err);
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
GError *
meta1_backend_services_list(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *srvtype, gchar ***result)
{
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERSLAVE, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
struct meta1_service_url_s **uv = NULL;
err = __get_container_all_services(sq3, url, srvtype, &uv);
if (NULL != err)
g_prefix_error(&err, "Query error: ");
else {
struct meta1_service_url_s **expanded;
expanded = expand_urlv(uv);
*result = pack_urlv(expanded);
meta1_service_url_cleanv(expanded);
meta1_service_url_cleanv(uv);
}
}
err = sqlx_transaction_end(repctx, err);
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
GError*
meta1_backend_services_config(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *packedurl)
{
struct meta1_service_url_s *m1url;
if (!(m1url = meta1_unpack_url(packedurl)))
return NEWERROR(CODE_BAD_REQUEST, "Invalid URL");
GRID_DEBUG("About to reconfigure [%s] [%"G_GINT64_FORMAT"] [%s] [%s]",
m1url->srvtype, m1url->seq, m1url->host, m1url->args);
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3);
if (err) {
g_free(m1url);
return err;
}
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL)))
err = __configure_service(sq3, url, m1url);
if (!(err = sqlx_transaction_end(repctx, err)))
__notify_services_by_cid(m1, sq3, url);
}
sqlx_repository_unlock_and_close_noerror(sq3);
g_free(m1url);
return err;
}
GError *
meta1_backend_set_container_properties(struct meta1_backend_s *m1,
struct oio_url_s *url, gchar **props, gboolean flush)
{
EXTRA_ASSERT(props != NULL);
GError *err;
if (NULL != (err = __check_property_format(props))) {
g_prefix_error(&err, "Malformed properties: ");
return err;
}
struct sqlx_sqlite3_s *sq3 = NULL;
err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
if (flush) {
err = __del_container_properties(sq3, url, NULL);
if (err) g_prefix_error(&err, "Flush error: ");
}
if (!err) {
err = __set_container_properties(sq3, url, props);
if (err) g_prefix_error(&err, "Set error: ");
}
}
err = sqlx_transaction_end(repctx, err);
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
GError*
meta1_backend_services_unlink(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *srvtype, gchar **urlv)
{
GError *err = __check_backend_events (m1);
if (err) return err;
EXTRA_ASSERT(srvtype != NULL);
struct sqlx_sqlite3_s *sq3 = NULL;
err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
err = __del_container_services(sq3, url, srvtype, urlv);
if (NULL != err)
g_prefix_error(&err, "Query error: ");
}
if (!(err = sqlx_transaction_end(repctx, err)))
__notify_services_by_cid(m1, sq3, url);
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
static GError*
_update_container_quota(struct meta1_backend_s *m1,
struct container_info_s *cinfo)
{
GError *e0 = NULL;
gint rc;
sqlite3_stmt *stmt = NULL;
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
e0 = meta1_backend_open_base(m1, cinfo->id, M1V2_OPENBASE_MASTERONLY, &sq3);
if (NULL != e0)
return e0;
e0 = sqlx_transaction_begin(sq3, &repctx);
if (NULL != e0) {
sqlx_repository_unlock_and_close_noerror(sq3);
return e0;
}
sqlite3_prepare_debug(rc, sq3->db, "UPDATE properties SET"
" value = ?"
" WHERE cid = ?"
" AND name = 'meta2.quota'", -1, &stmt, NULL);
(void) sqlite3_bind_int64(stmt, 1, cinfo->size);
(void) sqlite3_bind_blob(stmt, 2, cinfo->id,
sizeof(container_id_t), NULL);
for (rc=SQLITE_ROW; rc == SQLITE_ROW ;)
rc = sqlite3_step(stmt);
if (rc != SQLITE_OK && rc != SQLITE_DONE)
e0 = SQLITE_GERROR(sq3->db, rc);
sqlite3_finalize_debug(rc, stmt);
if (!e0 && sqlite3_changes(sq3->db) <= 0) {
sqlite3_prepare_debug(rc, sq3->db,
"INSERT INTO properties (cid,name,value)"
" VALUES (?,?,?)", -1, &stmt, NULL);
(void) sqlite3_bind_blob(stmt, 1, cinfo->id, sizeof(container_id_t), NULL);
(void) sqlite3_bind_text(stmt, 2, "meta2.quota", sizeof("meta2.quota")-1, NULL);
(void) sqlite3_bind_int64(stmt, 3, cinfo->size);
for (rc=SQLITE_ROW; rc == SQLITE_ROW ;)
rc = sqlite3_step(stmt);
if (rc != SQLITE_OK && rc != SQLITE_DONE)
e0 = SQLITE_GERROR(sq3->db, rc);
sqlite3_finalize_debug(rc, stmt);
}
/* Commit then close the container's base */
e0 = sqlx_transaction_end(repctx, e0);
sqlx_repository_unlock_and_close_noerror(sq3);
return e0;
}
GError*
meta0_backend_destroy_meta1_ref(struct meta0_backend_s *m0, gchar *meta1)
{
GError *err = NULL;
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
GPtrArray *result;
gchar *v, *addr, *ref, *nb;
guint i, max, cmpaddr, cmpstate;
EXTRA_ASSERT(m0 != NULL);
EXTRA_ASSERT(meta1 != NULL);
/* check if meta1 is disable */
if (NULL != (err = _reload(m0, TRUE))) {
g_prefix_error(&err, "Reload error: ");
return err;
}
g_rw_lock_reader_lock(&(m0->rwlock));
EXTRA_ASSERT(m0->array_meta1_ref != NULL);
result = meta0_utils_array_meta1ref_dup(m0->array_meta1_ref);
g_rw_lock_reader_unlock(&(m0->rwlock));
for (i=0,max=result->len; i<max ;i++) {
if (!(v = result->pdata[i]))
continue;
meta0_utils_unpack_meta1ref(v,&addr,&ref,&nb);
cmpaddr = g_ascii_strcasecmp(addr,meta1);
cmpstate = g_ascii_strcasecmp(ref,"0");
g_free(addr);
g_free(ref);
g_free(nb);
if ( cmpaddr == 0) {
if (cmpstate != 0)
return NEWERROR(EINVAL, "meta1 always available to prefix allocation");
err = _open_and_lock(m0, M0V2_OPENBASE_MASTERONLY, &sq3);
if (NULL != err)
return err;
err = sqlx_transaction_begin(sq3, &repctx);
if (NULL == err) {
err = _delete_meta1_ref(sq3->db, meta1);
err = sqlx_transaction_end(repctx, err);
}
_unlock_and_close(sq3);
return err;
}
}
return NEWERROR(EINVAL, "UNKNOWN meta1");
}
GError*
__destroy_container(struct sqlx_sqlite3_s *sq3, struct hc_url_s *url,
gboolean force, gboolean *done)
{
GError *err = NULL;
gint count_actions = 0;
struct sqlx_repctx_s *repctx = NULL;
EXTRA_ASSERT(sq3 != NULL);
EXTRA_ASSERT(sq3->db != NULL);
err = sqlx_transaction_begin(sq3, &repctx);
if (NULL != err)
return err;
if (force) {
__exec_cid (sq3->db, "DELETE FROM services WHERE cid = ?", hc_url_get_id (url));
count_actions += sqlite3_changes(sq3->db);
__exec_cid (sq3->db, "DELETE FROM properties WHERE cid = ?", hc_url_get_id (url));
count_actions += sqlite3_changes(sq3->db);
} else {
guint count_services = 0, count_properties = 0;
/* No forced op, we count the services belonging to the container. */
err = __count_FK(sq3, url, "services", &count_services);
if (!err)
err = __count_FK(sq3, url, "properties", &count_properties);
/* If any service is found, this is an error. */
if (!err && count_services > 0)
err = NEWERROR(CODE_USER_INUSE, "User still linked to services");
if (!err && count_properties > 0)
err = NEWERROR(CODE_USER_INUSE, "User still has properties");
}
if (!err) {
__exec_cid(sq3->db, "DELETE FROM users WHERE cid = ?", hc_url_get_id (url));
count_actions += sqlite3_changes(sq3->db);
}
*done = !err && (count_actions > 0);
if (!err && !*done)
err = NEWERROR(CODE_USER_NOTFOUND, "User not found");
return sqlx_transaction_end(repctx, err);
}
static GError*
_transaction_begin(struct sqlx_sqlite3_s *sq3, struct oio_url_s *url,
struct sqlx_repctx_s **result)
{
struct sqlx_repctx_s* repctx = NULL;
EXTRA_ASSERT(result != NULL);
*result = NULL;
GError *err = sqlx_transaction_begin(sq3, &repctx);
if (NULL != err)
return err;
m2db_set_container_name(sq3, url);
*result = repctx;
return NULL;
}
static GError*
_fill(struct sqlx_sqlite3_s *sq3,guint replicas, gchar **m1urls)
{
struct sqlx_repctx_s *repctx = NULL;
GError *err = NULL;
guint max;
max = m1urls ? g_strv_length(m1urls) : 0;
EXTRA_ASSERT(max > 0 && max < 65536);
err = sqlx_transaction_begin(sq3, &repctx);
if (NULL != err)
return err;
while (replicas--) {
err = __fill(sq3->db, m1urls, max, replicas);
if (err)
break;
}
return sqlx_transaction_end(repctx, err);
}
GError *
meta1_backend_get_container_properties(struct meta1_backend_s *m1,
struct oio_url_s *url, gchar **names, gchar ***result)
{
EXTRA_ASSERT(result != NULL);
struct sqlx_sqlite3_s *sq3 = NULL;
GError *err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERSLAVE, &sq3);
if (err) return err;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
err = __get_container_properties(sq3, url, names, result);
if (err) g_prefix_error(&err, "Lookup error: ");
}
err = sqlx_transaction_end(repctx, err);
}
sqlx_repository_unlock_and_close_noerror(sq3);
return err;
}
GError*
meta1_backend_services_relink(struct meta1_backend_s *m1,
struct oio_url_s *url, const char *kept, const char *replaced,
gboolean dryrun, gchar ***out)
{
GError *err = NULL;
struct meta1_service_url_s **ukept = NULL, **urepl = NULL;
/* fields to be prefetched */
struct grid_lb_iterator_s *iterator = NULL;
struct compound_type_s ct;
memset (&ct, 0, sizeof(ct));
ukept = __parse_and_expand (kept);
urepl = __parse_and_expand (replaced);
/* Sanity checks: we must receive at least one service */
if ((!ukept || !*ukept) && (!urepl || !*urepl)) {
err = NEWERROR (CODE_BAD_REQUEST, "Missing URL set");
goto out;
}
/* Sanity check : all the services must have the same <seq,type> */
struct meta1_service_url_s *ref = ukept && *ukept ? *ukept : *urepl;
for (struct meta1_service_url_s **p = ukept; p && *p ; ++p) {
if (0 != _sorter(p, &ref)) {
err = NEWERROR(CODE_BAD_REQUEST, "Mismatch in URL set (%s)", "kept");
goto out;
}
}
for (struct meta1_service_url_s **p = urepl; p && *p ; ++p) {
if (0 != _sorter(p, &ref)) {
err = NEWERROR(CODE_BAD_REQUEST, "Mismatch in URL set (%s)", "kept");
goto out;
}
}
/* prefetch some fields from the backend: the compound type (so it is
* parsed only once), the iterator (so we can already poll services, out
* of the sqlite3 transaction) */
if (NULL != (err = compound_type_parse(&ct, ref->srvtype))) {
err = NEWERROR(CODE_BAD_REQUEST, "Invalid service type");
goto out;
}
if (NULL != (err = _get_iterator (m1, &ct, &iterator))) {
err = NEWERROR(CODE_BAD_REQUEST, "Service type not managed");
goto out;
}
/* Call the backend logic now */
struct sqlx_sqlite3_s *sq3 = NULL;
struct sqlx_repctx_s *repctx = NULL;
if (!(err = _open_and_lock(m1, url, M1V2_OPENBASE_MASTERONLY, &sq3))) {
if (!(err = sqlx_transaction_begin(sq3, &repctx))) {
if (!(err = __info_user(sq3, url, FALSE, NULL))) {
struct m1v2_relink_input_s in = {
.m1 = m1, .sq3 = sq3, .url = url,
.iterator = iterator, .ct = &ct,
.kept = ukept, .replaced = urepl,
.dryrun = dryrun
};
err = __relink_container_services(&in, out);
}
if (!(err = sqlx_transaction_end(repctx, err))) {
if (!dryrun)
__notify_services_by_cid(m1, sq3, url);
}
}
sqlx_repository_unlock_and_close_noerror(sq3);
}
out:
meta1_service_url_cleanv (ukept);
meta1_service_url_cleanv (urepl);
grid_lb_iterator_clean (iterator);
compound_type_clean (&ct);
return err;
}