static void
test_mongoc_client_command_secondary (void)
{
mongoc_client_t *client;
mongoc_cursor_t *cursor;
mongoc_read_prefs_t *read_prefs;
bson_t cmd = BSON_INITIALIZER;
client = mongoc_client_new (gTestUri);
assert (client);
BSON_APPEND_INT32 (&cmd, "invalid_command_here", 1);
read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY_PREFERRED);
suppress_one_message ();
cursor = mongoc_client_command (client, "admin", MONGOC_QUERY_NONE, 0, 1, 0, &cmd, NULL, read_prefs);
mongoc_read_prefs_destroy (read_prefs);
/* ensure we detected this must go to primary */
assert (cursor->redir_primary);
mongoc_cursor_destroy (cursor);
mongoc_client_destroy (client);
bson_destroy (&cmd);
}
static void
test_mongoc_client_command (void)
{
mongoc_client_t *client;
mongoc_cursor_t *cursor;
const bson_t *doc;
bool r;
bson_t cmd = BSON_INITIALIZER;
client = mongoc_client_new (gTestUri);
assert (client);
bson_append_int32 (&cmd, "ping", 4, 1);
cursor = mongoc_client_command (client, "admin", MONGOC_QUERY_NONE, 0, 1, 0, &cmd, NULL, NULL);
assert (!cursor->redir_primary);
r = mongoc_cursor_next (cursor, &doc);
assert (r);
assert (doc);
r = mongoc_cursor_next (cursor, &doc);
assert (!r);
assert (!doc);
mongoc_cursor_destroy (cursor);
mongoc_client_destroy (client);
bson_destroy (&cmd);
}
bool
_mongoc_client_command_simple_with_hint (mongoc_client_t *client,
const char *db_name,
const bson_t *command,
const mongoc_read_prefs_t *read_prefs,
bool is_write_command,
bson_t *reply,
uint32_t hint,
bson_error_t *error)
{
mongoc_cursor_t *cursor;
const bson_t *doc;
bool ret;
BSON_ASSERT (client);
BSON_ASSERT (db_name);
BSON_ASSERT (command);
cursor = mongoc_client_command (client, db_name, MONGOC_QUERY_NONE, 0, 1, 0,
command, NULL, read_prefs);
cursor->hint = hint;
cursor->is_write_command = is_write_command ? 1 : 0;
ret = mongoc_cursor_next (cursor, &doc);
if (reply) {
if (ret) {
bson_copy_to (doc, reply);
} else {
bson_init (reply);
}
}
if (!ret) {
mongoc_cursor_error (cursor, error);
}
mongoc_cursor_destroy (cursor);
return ret;
}
mongoc_cursor_t *
mongoc_database_command (mongoc_database_t *database,
mongoc_query_flags_t flags,
uint32_t skip,
uint32_t limit,
uint32_t batch_size,
const bson_t *command,
const bson_t *fields,
const mongoc_read_prefs_t *read_prefs)
{
BSON_ASSERT (database);
BSON_ASSERT (command);
if (!read_prefs) {
read_prefs = database->read_prefs;
}
return mongoc_client_command (database->client, database->name, flags, skip,
limit, batch_size, command, fields, read_prefs);
}
mongoc_cursor_t *
mongoc_client_find_databases (mongoc_client_t *client,
bson_error_t *error)
{
bson_t cmd = BSON_INITIALIZER;
mongoc_cursor_t *cursor;
BSON_ASSERT (client);
BSON_APPEND_INT32 (&cmd, "listDatabases", 1);
cursor = mongoc_client_command (client, "admin", MONGOC_QUERY_SLAVE_OK, 0, 0, 0,
&cmd, NULL, NULL);
_mongoc_cursor_array_init(cursor, "databases");
cursor->limit = 0;
bson_destroy (&cmd);
return cursor;
}
mongoc_cursor_t *
mongoc_database_command (mongoc_database_t *database,
mongoc_query_flags_t flags,
uint32_t skip,
uint32_t limit,
uint32_t batch_size,
const bson_t *command,
const bson_t *fields,
const mongoc_read_prefs_t *read_prefs)
{
BSON_ASSERT (database);
BSON_ASSERT (command);
/* Server Selection Spec: "The generic command method has a default read
* preference of mode 'primary'. The generic command method MUST ignore any
* default read preference from client, database or collection
* configuration. The generic command method SHOULD allow an optional read
* preference argument."
*/
return mongoc_client_command (database->client, database->name, flags, skip,
limit, batch_size, command, fields, read_prefs);
}
/*
* Count the number of documents.
*/
double
MongoAggregateCount(MONGO_CONN* conn, const char* database, const char* collection, const BSON* b)
{
BSON *command = NULL;
BSON *reply = NULL;
BSON *doc = NULL;
double count = 0;
mongoc_cursor_t *cursor = NULL;
bool ret = false;
command = BsonCreate();
reply = BsonCreate();
BsonAppendUTF8(command, "count", (char*)collection);
if (b) /* not empty */
BsonAppendBson(command, "query", (BSON*)b);
BsonFinish(command);
cursor = mongoc_client_command(conn, database, MONGOC_QUERY_SLAVE_OK, 0, 1, 0, command, NULL, NULL);
if (cursor)
{
ret = mongoc_cursor_next(cursor, (const BSON**)&doc);
if (ret)
{
bson_iter_t it;
bson_copy_to(doc, reply);
if (bson_iter_init_find(&it, reply, "n"))
count = BsonIterDouble(&it);
BsonDestroy(doc);
}
mongoc_cursor_destroy(cursor);
}
BsonDestroy(reply);
BsonDestroy(command);
return count;
}