}
}
\f
-/* JSON-RPC database table monitors. */
+/* database table monitors. */
-enum ovsdb_jsonrpc_monitor_selection {
+enum ovsdb_monitor_selection {
OJMS_INITIAL = 1 << 0, /* All rows when monitor is created. */
OJMS_INSERT = 1 << 1, /* New rows. */
OJMS_DELETE = 1 << 2, /* Deleted rows. */
};
/* A particular column being monitored. */
-struct ovsdb_jsonrpc_monitor_column {
+struct ovsdb_monitor_column {
const struct ovsdb_column *column;
- enum ovsdb_jsonrpc_monitor_selection select;
+ enum ovsdb_monitor_selection select;
};
/* A row that has changed in a monitored table. */
-struct ovsdb_jsonrpc_monitor_row {
+struct ovsdb_monitor_row {
struct hmap_node hmap_node; /* In ovsdb_jsonrpc_monitor_table.changes. */
struct uuid uuid; /* UUID of row that changed. */
struct ovsdb_datum *old; /* Old data, NULL for an inserted row. */
};
/* A particular table being monitored. */
-struct ovsdb_jsonrpc_monitor_table {
+struct ovsdb_monitor_table {
const struct ovsdb_table *table;
/* This is the union (bitwise-OR) of the 'select' values in all of the
* members of 'columns' below. */
- enum ovsdb_jsonrpc_monitor_selection select;
+ enum ovsdb_monitor_selection select;
/* Columns being monitored. */
- struct ovsdb_jsonrpc_monitor_column *columns;
+ struct ovsdb_monitor_column *columns;
size_t n_columns;
- /* Contains 'struct ovsdb_jsonrpc_monitor_row's for rows that have been
+ /* Contains 'struct ovsdb_monitor_row's for rows that have been
* updated but not yet flushed to the jsonrpc connection. */
struct hmap changes;
};
+struct ovsdb_jsonrpc_monitor;
+/* Backend monitor.
+ *
+ * ovsdb_monitor keep track of the ovsdb changes.
+ */
/* A collection of tables being monitored. */
-struct ovsdb_jsonrpc_monitor {
+struct ovsdb_monitor {
struct ovsdb_replica replica;
+ struct shash tables; /* Holds "struct ovsdb_monitor_table"s. */
+ struct ovsdb_jsonrpc_monitor *jsonrpc_monitor;
+};
+
+/* Jsonrpc front end monitor. */
+struct ovsdb_jsonrpc_monitor {
struct ovsdb_jsonrpc_session *session;
struct ovsdb *db;
struct hmap_node node; /* In ovsdb_jsonrpc_session's "monitors". */
struct json *monitor_id;
- struct shash tables; /* Holds "struct ovsdb_jsonrpc_monitor_table"s. */
+ struct ovsdb_monitor *dbmon;
};
static const struct ovsdb_replica_class ovsdb_jsonrpc_replica_class;
struct ovsdb_jsonrpc_monitor *ovsdb_jsonrpc_monitor_find(
struct ovsdb_jsonrpc_session *, const struct json *monitor_id);
-static void ovsdb_jsonrpc_monitor_destroy(struct ovsdb_replica *);
+static void ovsdb_monitor_destroy(struct ovsdb_replica *);
static struct json *ovsdb_jsonrpc_monitor_get_initial(
const struct ovsdb_jsonrpc_monitor *);
}
static void
-ovsdb_jsonrpc_add_monitor_column(struct ovsdb_jsonrpc_monitor_table *mt,
- const struct ovsdb_column *column,
- enum ovsdb_jsonrpc_monitor_selection select,
- size_t *allocated_columns)
+ovsdb_add_monitor_column(struct ovsdb_monitor_table *mt,
+ const struct ovsdb_column *column,
+ enum ovsdb_monitor_selection select,
+ size_t *allocated_columns)
{
- struct ovsdb_jsonrpc_monitor_column *c;
+ struct ovsdb_monitor_column *c;
if (mt->n_columns >= *allocated_columns) {
mt->columns = x2nrealloc(mt->columns, allocated_columns,
}
static int
-compare_ovsdb_jsonrpc_monitor_column(const void *a_, const void *b_)
+compare_ovsdb_monitor_column(const void *a_, const void *b_)
{
- const struct ovsdb_jsonrpc_monitor_column *a = a_;
- const struct ovsdb_jsonrpc_monitor_column *b = b_;
+ const struct ovsdb_monitor_column *a = a_;
+ const struct ovsdb_monitor_column *b = b_;
return a->column < b->column ? -1 : a->column > b->column;
}
static struct ovsdb_error * OVS_WARN_UNUSED_RESULT
-ovsdb_jsonrpc_parse_monitor_request(struct ovsdb_jsonrpc_monitor_table *mt,
+ovsdb_jsonrpc_parse_monitor_request(struct ovsdb_monitor_table *mt,
const struct json *monitor_request,
size_t *allocated_columns)
{
const struct ovsdb_table_schema *ts = mt->table->schema;
- enum ovsdb_jsonrpc_monitor_selection select;
+ enum ovsdb_monitor_selection select;
const struct json *columns, *select_json;
struct ovsdb_parser parser;
struct ovsdb_error *error;
return ovsdb_syntax_error(columns, NULL, "%s is not a valid "
"column name", s);
}
- ovsdb_jsonrpc_add_monitor_column(mt, column, select,
- allocated_columns);
+ ovsdb_add_monitor_column(mt, column, select, allocated_columns);
}
} else {
struct shash_node *node;
SHASH_FOR_EACH (node, &ts->columns) {
const struct ovsdb_column *column = node->data;
if (column->index != OVSDB_COL_UUID) {
- ovsdb_jsonrpc_add_monitor_column(mt, column, select,
- allocated_columns);
+ ovsdb_add_monitor_column(mt, column, select,
+ allocated_columns);
}
}
}
return NULL;
}
+static struct ovsdb_monitor *
+ovsdb_monitor_create(struct ovsdb *db,
+ struct ovsdb_jsonrpc_monitor *jsonrpc_monitor,
+ const struct ovsdb_replica_class *replica_class)
+{
+ struct ovsdb_monitor *m;
+
+ m = xzalloc(sizeof *m);
+
+ ovsdb_replica_init(&m->replica, replica_class);
+ ovsdb_add_replica(db, &m->replica);
+ m->jsonrpc_monitor = jsonrpc_monitor;
+ shash_init(&m->tables);
+
+ return m;
+}
+
static struct jsonrpc_msg *
ovsdb_jsonrpc_monitor_create(struct ovsdb_jsonrpc_session *s, struct ovsdb *db,
struct json *params,
}
m = xzalloc(sizeof *m);
- ovsdb_replica_init(&m->replica, &ovsdb_jsonrpc_replica_class);
- ovsdb_add_replica(db, &m->replica);
m->session = s;
m->db = db;
+ m->dbmon = ovsdb_monitor_create(db, m, &ovsdb_jsonrpc_replica_class);
hmap_insert(&s->monitors, &m->node, json_hash(monitor_id, 0));
m->monitor_id = json_clone(monitor_id);
- shash_init(&m->tables);
SHASH_FOR_EACH (node, json_object(monitor_requests)) {
const struct ovsdb_table *table;
- struct ovsdb_jsonrpc_monitor_table *mt;
+ struct ovsdb_monitor_table *mt;
size_t allocated_columns;
const struct json *mr_value;
size_t i;
mt = xzalloc(sizeof *mt);
mt->table = table;
hmap_init(&mt->changes);
- shash_add(&m->tables, table->schema->name, mt);
+ shash_add(&m->dbmon->tables, table->schema->name, mt);
/* Parse columns. */
mr_value = node->data;
/* Check for duplicate columns. */
qsort(mt->columns, mt->n_columns, sizeof *mt->columns,
- compare_ovsdb_jsonrpc_monitor_column);
+ compare_ovsdb_monitor_column);
for (i = 1; i < mt->n_columns; i++) {
if (mt->columns[i].column == mt->columns[i - 1].column) {
error = ovsdb_syntax_error(mr_value, NULL, "column %s "
error:
if (m) {
- ovsdb_remove_replica(m->db, &m->replica);
+ ovsdb_remove_replica(m->db, &m->dbmon->replica);
}
json = ovsdb_error_to_json(error);
return jsonrpc_create_error(json_string_create("unknown monitor"),
request_id);
} else {
- ovsdb_remove_replica(m->db, &m->replica);
+ ovsdb_remove_replica(m->db, &m->dbmon->replica);
return jsonrpc_create_reply(json_object_create(), request_id);
}
}
struct ovsdb_jsonrpc_monitor *m, *next;
HMAP_FOR_EACH_SAFE (m, next, node, &s->monitors) {
- ovsdb_remove_replica(m->db, &m->replica);
+ ovsdb_remove_replica(m->db, &m->dbmon->replica);
}
}
-static struct ovsdb_jsonrpc_monitor *
-ovsdb_jsonrpc_monitor_cast(struct ovsdb_replica *replica)
+static struct ovsdb_monitor *
+ovsdb_monitor_cast(struct ovsdb_replica *replica)
{
ovs_assert(replica->class == &ovsdb_jsonrpc_replica_class);
- return CONTAINER_OF(replica, struct ovsdb_jsonrpc_monitor, replica);
+ return CONTAINER_OF(replica, struct ovsdb_monitor, replica);
}
-struct ovsdb_jsonrpc_monitor_aux {
- const struct ovsdb_jsonrpc_monitor *monitor;
- struct ovsdb_jsonrpc_monitor_table *mt;
+struct ovsdb_monitor_aux {
+ const struct ovsdb_monitor *monitor;
+ struct ovsdb_monitor_table *mt;
};
-/* Finds and returns the ovsdb_jsonrpc_monitor_row in 'mt->changes' for the
+/* Finds and returns the ovsdb_monitor_row in 'mt->changes' for the
* given 'uuid', or NULL if there is no such row. */
-static struct ovsdb_jsonrpc_monitor_row *
-ovsdb_jsonrpc_monitor_row_find(const struct ovsdb_jsonrpc_monitor_table *mt,
- const struct uuid *uuid)
+static struct ovsdb_monitor_row *
+ovsdb_monitor_row_find(const struct ovsdb_monitor_table *mt,
+ const struct uuid *uuid)
{
- struct ovsdb_jsonrpc_monitor_row *row;
+ struct ovsdb_monitor_row *row;
HMAP_FOR_EACH_WITH_HASH (row, hmap_node, uuid_hash(uuid), &mt->changes) {
if (uuid_equals(uuid, &row->uuid)) {
*
* If 'row' is NULL, returns NULL. */
static struct ovsdb_datum *
-clone_monitor_row_data(const struct ovsdb_jsonrpc_monitor_table *mt,
+clone_monitor_row_data(const struct ovsdb_monitor_table *mt,
const struct ovsdb_row *row)
{
struct ovsdb_datum *data;
/* Replaces the mt->n_columns ovsdb_datums in row[] by copies of the data from
* in 'row' drawn from the columns represented by mt->columns[]. */
static void
-update_monitor_row_data(const struct ovsdb_jsonrpc_monitor_table *mt,
+update_monitor_row_data(const struct ovsdb_monitor_table *mt,
const struct ovsdb_row *row,
struct ovsdb_datum *data)
{
/* Frees all of the mt->n_columns ovsdb_datums in data[], using the types taken
* from mt->columns[], plus 'data' itself. */
static void
-free_monitor_row_data(const struct ovsdb_jsonrpc_monitor_table *mt,
+free_monitor_row_data(const struct ovsdb_monitor_table *mt,
struct ovsdb_datum *data)
{
if (data) {
/* Frees 'row', which must have been created from 'mt'. */
static void
-ovsdb_jsonrpc_monitor_row_destroy(const struct ovsdb_jsonrpc_monitor_table *mt,
- struct ovsdb_jsonrpc_monitor_row *row)
+ovsdb_monitor_row_destroy(const struct ovsdb_monitor_table *mt,
+ struct ovsdb_monitor_row *row)
{
if (row) {
free_monitor_row_data(mt, row->old);
}
static bool
-ovsdb_jsonrpc_monitor_change_cb(const struct ovsdb_row *old,
- const struct ovsdb_row *new,
- const unsigned long int *changed OVS_UNUSED,
- void *aux_)
+ovsdb_monitor_change_cb(const struct ovsdb_row *old,
+ const struct ovsdb_row *new,
+ const unsigned long int *changed OVS_UNUSED,
+ void *aux_)
{
- struct ovsdb_jsonrpc_monitor_aux *aux = aux_;
- const struct ovsdb_jsonrpc_monitor *m = aux->monitor;
+ struct ovsdb_monitor_aux *aux = aux_;
+ const struct ovsdb_monitor *m = aux->monitor;
struct ovsdb_table *table = new ? new->table : old->table;
const struct uuid *uuid = ovsdb_row_get_uuid(new ? new : old);
- struct ovsdb_jsonrpc_monitor_row *change;
- struct ovsdb_jsonrpc_monitor_table *mt;
+ struct ovsdb_monitor_row *change;
+ struct ovsdb_monitor_table *mt;
if (!aux->mt || table != aux->mt->table) {
aux->mt = shash_find_data(&m->tables, table->schema->name);
}
mt = aux->mt;
- change = ovsdb_jsonrpc_monitor_row_find(mt, uuid);
+ change = ovsdb_monitor_row_find(mt, uuid);
if (!change) {
change = xmalloc(sizeof *change);
hmap_insert(&mt->changes, &change->hmap_node, uuid_hash(uuid));
* 'changed' must be a scratch buffer for internal use that is at least
* bitmap_n_bytes(mt->n_columns) bytes long. */
static struct json *
-ovsdb_jsonrpc_monitor_compose_row_update(
- const struct ovsdb_jsonrpc_monitor_table *mt,
- const struct ovsdb_jsonrpc_monitor_row *row,
+ovsdb_monitor_compose_row_update(
+ const struct ovsdb_monitor_table *mt,
+ const struct ovsdb_monitor_row *row,
bool initial, unsigned long int *changed)
{
- enum ovsdb_jsonrpc_monitor_selection type;
+ enum ovsdb_monitor_selection type;
struct json *old_json, *new_json;
struct json *row_json;
size_t i;
json_object_put(row_json, "new", new_json);
}
for (i = 0; i < mt->n_columns; i++) {
- const struct ovsdb_jsonrpc_monitor_column *c = &mt->columns[i];
+ const struct ovsdb_monitor_column *c = &mt->columns[i];
if (!(type & c->select)) {
/* We don't care about this type of change for this
size_t max_columns;
max_columns = 0;
- SHASH_FOR_EACH (node, &monitor->tables) {
- struct ovsdb_jsonrpc_monitor_table *mt = node->data;
+ SHASH_FOR_EACH (node, &monitor->dbmon->tables) {
+ struct ovsdb_monitor_table *mt = node->data;
max_columns = MAX(max_columns, mt->n_columns);
}
changed = xmalloc(bitmap_n_bytes(max_columns));
json = NULL;
- SHASH_FOR_EACH (node, &monitor->tables) {
- struct ovsdb_jsonrpc_monitor_table *mt = node->data;
- struct ovsdb_jsonrpc_monitor_row *row, *next;
+ SHASH_FOR_EACH (node, &monitor->dbmon->tables) {
+ struct ovsdb_monitor_table *mt = node->data;
+ struct ovsdb_monitor_row *row, *next;
struct json *table_json = NULL;
HMAP_FOR_EACH_SAFE (row, next, hmap_node, &mt->changes) {
struct json *row_json;
- row_json = ovsdb_jsonrpc_monitor_compose_row_update(
+ row_json = ovsdb_monitor_compose_row_update(
mt, row, initial, changed);
if (row_json) {
char uuid[UUID_LEN + 1];
}
hmap_remove(&mt->changes, &row->hmap_node);
- ovsdb_jsonrpc_monitor_row_destroy(mt, row);
+ ovsdb_monitor_row_destroy(mt, row);
}
}
HMAP_FOR_EACH (m, node, &s->monitors) {
struct shash_node *node;
- SHASH_FOR_EACH (node, &m->tables) {
- struct ovsdb_jsonrpc_monitor_table *mt = node->data;
+ SHASH_FOR_EACH (node, &m->dbmon->tables) {
+ struct ovsdb_monitor_table *mt = node->data;
if (!hmap_is_empty(&mt->changes)) {
return true;
}
static void
-ovsdb_jsonrpc_monitor_init_aux(struct ovsdb_jsonrpc_monitor_aux *aux,
- const struct ovsdb_jsonrpc_monitor *m)
+ovsdb_monitor_init_aux(struct ovsdb_monitor_aux *aux,
+ const struct ovsdb_monitor *m)
{
aux->monitor = m;
aux->mt = NULL;
}
static struct ovsdb_error *
-ovsdb_jsonrpc_monitor_commit(struct ovsdb_replica *replica,
- const struct ovsdb_txn *txn,
- bool durable OVS_UNUSED)
+ovsdb_monitor_commit(struct ovsdb_replica *replica,
+ const struct ovsdb_txn *txn,
+ bool durable OVS_UNUSED)
{
- struct ovsdb_jsonrpc_monitor *m = ovsdb_jsonrpc_monitor_cast(replica);
- struct ovsdb_jsonrpc_monitor_aux aux;
+ struct ovsdb_monitor *m = ovsdb_monitor_cast(replica);
+ struct ovsdb_monitor_aux aux;
- ovsdb_jsonrpc_monitor_init_aux(&aux, m);
- ovsdb_txn_for_each_change(txn, ovsdb_jsonrpc_monitor_change_cb, &aux);
+ ovsdb_monitor_init_aux(&aux, m);
+ ovsdb_txn_for_each_change(txn, ovsdb_monitor_change_cb, &aux);
return NULL;
}
static struct json *
ovsdb_jsonrpc_monitor_get_initial(const struct ovsdb_jsonrpc_monitor *m)
{
- struct ovsdb_jsonrpc_monitor_aux aux;
+ struct ovsdb_monitor_aux aux;
struct shash_node *node;
struct json *json;
- ovsdb_jsonrpc_monitor_init_aux(&aux, m);
- SHASH_FOR_EACH (node, &m->tables) {
- struct ovsdb_jsonrpc_monitor_table *mt = node->data;
+ ovsdb_monitor_init_aux(&aux, m->dbmon);
+ SHASH_FOR_EACH (node, &m->dbmon->tables) {
+ struct ovsdb_monitor_table *mt = node->data;
if (mt->select & OJMS_INITIAL) {
struct ovsdb_row *row;
HMAP_FOR_EACH (row, hmap_node, &mt->table->rows) {
- ovsdb_jsonrpc_monitor_change_cb(NULL, row, NULL, &aux);
+ ovsdb_monitor_change_cb(NULL, row, NULL, &aux);
}
}
}
}
static void
-ovsdb_jsonrpc_monitor_destroy(struct ovsdb_replica *replica)
+ovsdb_monitor_destroy(struct ovsdb_replica *replica)
{
- struct ovsdb_jsonrpc_monitor *m = ovsdb_jsonrpc_monitor_cast(replica);
+ struct ovsdb_monitor *m = ovsdb_monitor_cast(replica);
+ struct ovsdb_jsonrpc_monitor *jsonrpc_monitor = m->jsonrpc_monitor;
struct shash_node *node;
- json_destroy(m->monitor_id);
+ json_destroy(jsonrpc_monitor->monitor_id);
SHASH_FOR_EACH (node, &m->tables) {
- struct ovsdb_jsonrpc_monitor_table *mt = node->data;
- struct ovsdb_jsonrpc_monitor_row *row, *next;
+ struct ovsdb_monitor_table *mt = node->data;
+ struct ovsdb_monitor_row *row, *next;
HMAP_FOR_EACH_SAFE (row, next, hmap_node, &mt->changes) {
hmap_remove(&mt->changes, &row->hmap_node);
- ovsdb_jsonrpc_monitor_row_destroy(mt, row);
+ ovsdb_monitor_row_destroy(mt, row);
}
hmap_destroy(&mt->changes);
free(mt);
}
shash_destroy(&m->tables);
- hmap_remove(&m->session->monitors, &m->node);
+ hmap_remove(&jsonrpc_monitor->session->monitors, &jsonrpc_monitor->node);
+ free(jsonrpc_monitor);
free(m);
}
static const struct ovsdb_replica_class ovsdb_jsonrpc_replica_class = {
- ovsdb_jsonrpc_monitor_commit,
- ovsdb_jsonrpc_monitor_destroy
+ ovsdb_monitor_commit,
+ ovsdb_monitor_destroy
};