#include "bitmap.h"
#include "dynamic-string.h"
+#include "fatal-signal.h"
#include "json.h"
#include "jsonrpc.h"
#include "ovsdb-data.h"
json_destroy(idl->monitor_request_id);
msg = jsonrpc_create_request(
- "monitor", json_array_create_2(json_null_create(), monitor_requests),
+ "monitor",
+ json_array_create_3(json_string_create(idl->class->database),
+ json_null_create(), monitor_requests),
&idl->monitor_request_id);
jsonrpc_session_send(idl->session, msg);
}
}
}
+/* When a row A refers to row B through a column with a "refTable" constraint,
+ * but row B does not exist, row B is called an "orphan row". Orphan rows
+ * should not persist, because the database enforces referential integrity, but
+ * they can appear transiently as changes from the database are received (the
+ * database doesn't try to topologically sort them and circular references mean
+ * it isn't always possible anyhow).
+ *
+ * This function returns true if 'row' is an orphan row, otherwise false.
+ */
static bool
ovsdb_idl_row_is_orphan(const struct ovsdb_idl_row *row)
{
- return !row->old;
+ return !row->old && !row->new;
+}
+
+/* Returns true if 'row' is conceptually part of the database as modified by
+ * the current transaction (if any), false otherwise.
+ *
+ * This function will return true if 'row' is not an orphan (see the comment on
+ * ovsdb_idl_row_is_orphan()) and:
+ *
+ * - 'row' exists in the database and has not been deleted within the
+ * current transaction (if any).
+ *
+ * - 'row' was inserted within the current transaction and has not been
+ * deleted. (In the latter case you should not have passed 'row' in at
+ * all, because ovsdb_idl_txn_delete() freed it.)
+ *
+ * This function will return false if 'row' is an orphan or if 'row' was
+ * deleted within the current transaction.
+ */
+static bool
+ovsdb_idl_row_exists(const struct ovsdb_idl_row *row)
+{
+ return row->new != NULL;
}
static void
struct ovsdb_idl_row *row;
row = CONTAINER_OF(node, struct ovsdb_idl_row, hmap_node);
- if (row->new || !ovsdb_idl_row_is_orphan(row)) {
+ if (ovsdb_idl_row_exists(row)) {
return row;
}
}
return txn;
}
+/* Appends 's', which is treated as a printf()-type format string, to the
+ * comments that will be passed to the OVSDB server when 'txn' is committed.
+ * (The comment will be committed to the OVSDB log, which "ovsdb-tool
+ * show-log" can print in a relatively human-readable form.) */
void
-ovsdb_idl_txn_add_comment(struct ovsdb_idl_txn *txn, const char *s)
+ovsdb_idl_txn_add_comment(struct ovsdb_idl_txn *txn, const char *s, ...)
{
+ va_list args;
+
if (txn->comment.length) {
ds_put_char(&txn->comment, '\n');
}
- ds_put_cstr(&txn->comment, s);
+
+ va_start(args, s);
+ ds_put_format_valist(&txn->comment, s, args);
+ va_end(args);
}
void
return txn->status;
}
- operations = json_array_create_empty();
+ operations = json_array_create_1(
+ json_string_create(txn->idl->class->database));
/* Add prerequisites and declarations of new rows. */
HMAP_FOR_EACH (row, struct ovsdb_idl_row, txn_node, &txn->txn_rows) {
&column->type));
}
}
- if (row->new && !row->old) {
- struct json *op;
-
- op = json_object_create();
- json_array_add(operations, op);
- json_object_put_string(op, "op", "declare");
- json_object_put(op, "uuid-name",
- json_string_create_nocopy(
- uuid_name_from_uuid(&row->uuid)));
- }
}
/* Add updates. */
insert = xmalloc(sizeof *insert);
insert->dummy = row->uuid;
- insert->op_index = operations->u.array.n;
+ insert->op_index = operations->u.array.n - 1;
uuid_zero(&insert->real);
hmap_insert(&txn->inserted_rows, &insert->hmap_node,
uuid_hash(&insert->dummy));
if (txn->inc_table && any_updates) {
struct json *op;
- txn->inc_index = operations->u.array.n;
+ txn->inc_index = operations->u.array.n - 1;
op = json_object_create();
json_object_put_string(op, "op", "mutate");
hmap_insert(&txn->idl->outstanding_txns, &txn->hmap_node,
json_hash(txn->request_id, 0));
} else {
- txn->status = TXN_INCOMPLETE;
+ txn->status = TXN_TRY_AGAIN;
}
ovsdb_idl_txn_disassemble(txn);
return txn->status;
}
+/* Attempts to commit 'txn', blocking until the commit either succeeds or
+ * fails. Returns the final commit status, which may be any TXN_* value other
+ * than TXN_INCOMPLETE. */
+enum ovsdb_idl_txn_status
+ovsdb_idl_txn_commit_block(struct ovsdb_idl_txn *txn)
+{
+ enum ovsdb_idl_txn_status status;
+
+ fatal_signal_run();
+ while ((status = ovsdb_idl_txn_commit(txn)) == TXN_INCOMPLETE) {
+ ovsdb_idl_run(txn->idl);
+ ovsdb_idl_wait(txn->idl);
+ ovsdb_idl_txn_wait(txn);
+ poll_block();
+ }
+ return status;
+}
+
int64_t
ovsdb_idl_txn_get_increment_new_value(const struct ovsdb_idl_txn *txn)
{
const struct ovsdb_idl_row *
ovsdb_idl_txn_insert(struct ovsdb_idl_txn *txn,
- const struct ovsdb_idl_table_class *class)
+ const struct ovsdb_idl_table_class *class,
+ const struct uuid *uuid)
{
struct ovsdb_idl_row *row = ovsdb_idl_row_create__(class);
- uuid_generate(&row->uuid);
+
+ if (uuid) {
+ assert(!ovsdb_idl_txn_get_row(txn, uuid));
+ row->uuid = *uuid;
+ } else {
+ uuid_generate(&row->uuid);
+ }
+
row->table = ovsdb_idl_table_from_class(txn->idl, class);
row->new = xmalloc(class->n_columns * sizeof *row->new);
row->written = bitmap_allocate(class->n_columns);
if (txn->inc_index + 2 > results->n) {
VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations "
- "for increment (has %u, needs %u)",
+ "for increment (has %zu, needs %u)",
results->n, txn->inc_index + 2);
return false;
}
}
if (count->u.integer != 1) {
VLOG_WARN_RL(&syntax_rl,
- "\"mutate\" reply \"count\" is %"PRId64" instead of 1",
+ "\"mutate\" reply \"count\" is %lld instead of 1",
count->u.integer);
return false;
}
return false;
}
if (rows->u.array.n != 1) {
- VLOG_WARN_RL(&syntax_rl, "\"select\" reply \"rows\" has %u elements "
+ VLOG_WARN_RL(&syntax_rl, "\"select\" reply \"rows\" has %zu elements "
"instead of 1",
rows->u.array.n);
return false;
if (insert->op_index >= results->n) {
VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations "
- "for insert (has %u, needs %u)",
+ "for insert (has %zu, needs %u)",
results->n, insert->op_index);
return false;
}
assert(txn != NULL);
return txn;
}
+
+struct ovsdb_idl *
+ovsdb_idl_txn_get_idl (struct ovsdb_idl_txn *txn)
+{
+ return txn->idl;
+}
+
git://git.onelab.eu / sliver-openvswitch.git / blobdiff