static request_t *
_check_op_query (mock_server_t *server,
test_collection_find_with_opts_t *test_data)
{
mongoc_query_flags_t flags;
request_t *request;
const bson_t *doc;
bson_iter_t iter;
uint32_t len;
const uint8_t *data;
bson_t query;
/* Server Selection Spec: all queries to standalone set slaveOk. */
flags = test_data->expected_flags | MONGOC_QUERY_SLAVE_OK;
request = mock_server_receives_query (
server,
"db.collection",
flags,
test_data->expected_skip,
test_data->expected_n_return,
test_data->expected_op_query,
test_data->expected_op_query_projection);
ASSERT (request);
/* check that nothing unexpected is in $query */
if (bson_empty (test_data->filter_bson)) {
doc = request_get_doc (request, 0);
if (bson_iter_init_find (&iter, doc, "$query")) {
ASSERT (BSON_ITER_HOLDS_DOCUMENT (&iter));
bson_iter_document (&iter, &len, &data);
bson_init_static (&query, data, (size_t) len);
ASSERT (bson_empty (&query));
}
}
return request;
}
/* Test the case where we can't prevent the metadata doc being too big
* and so we just don't send it */
static void
test_mongoc_metadata_cannot_send (void)
{
mock_server_t *server;
mongoc_uri_t *uri;
mongoc_client_t *client;
mongoc_client_pool_t *pool;
request_t *request;
const char *const server_reply = "{'ok': 1, 'ismaster': true}";
const bson_t *request_doc;
char big_string[METADATA_MAX_SIZE];
mongoc_metadata_t *md;
_reset_metadata ();
/* Mess with our global metadata struct so the metadata doc will be
* way too big */
memset (big_string, 'a', METADATA_MAX_SIZE - 1);
big_string[METADATA_MAX_SIZE - 1] = '\0';
md = _mongoc_metadata_get ();
bson_free (md->os_name);
md->os_name = bson_strdup (big_string);
server = mock_server_new ();
mock_server_run (server);
uri = mongoc_uri_copy (mock_server_get_uri (server));
mongoc_uri_set_option_as_int32 (uri, "heartbeatFrequencyMS", 500);
pool = mongoc_client_pool_new (uri);
/* Pop a client to trigger the topology scanner */
client = mongoc_client_pool_pop (pool);
request = mock_server_receives_ismaster (server);
/* Make sure the isMaster request DOESN'T have a metadata field: */
ASSERT (request);
request_doc = request_get_doc (request, 0);
ASSERT (request_doc);
ASSERT (bson_has_field (request_doc, "isMaster"));
ASSERT (!bson_has_field (request_doc, METADATA_FIELD));
mock_server_replies_simple (request, server_reply);
request_destroy (request);
/* Cause failure on client side */
request = mock_server_receives_ismaster (server);
ASSERT (request);
mock_server_hangs_up (request);
request_destroy (request);
/* Make sure the isMaster request still DOESN'T have a metadata field
* on subsequent heartbeats. */
request = mock_server_receives_ismaster (server);
ASSERT (request);
request_doc = request_get_doc (request, 0);
ASSERT (request_doc);
ASSERT (bson_has_field (request_doc, "isMaster"));
ASSERT (!bson_has_field (request_doc, METADATA_FIELD));
mock_server_replies_simple (request, server_reply);
request_destroy (request);
/* cleanup */
mongoc_client_pool_push (pool, client);
mongoc_client_pool_destroy (pool);
mongoc_uri_destroy (uri);
mock_server_destroy (server);
/* Reset again so the next tests don't have a metadata doc which
* is too big */
_reset_metadata ();
}
static void
test_mongoc_metadata_append_success (void)
{
mock_server_t *server;
mongoc_uri_t *uri;
mongoc_client_t *client;
mongoc_client_pool_t *pool;
request_t *request;
const bson_t *request_doc;
bson_iter_t iter;
bson_iter_t md_iter;
bson_iter_t inner_iter;
const char *val;
const char *driver_name = "php driver";
const char *driver_version = "version abc";
const char *platform = "./configure -nottoomanyflags";
char big_string [METADATA_MAX_SIZE];
memset (big_string, 'a', METADATA_MAX_SIZE - 1);
big_string [METADATA_MAX_SIZE - 1] = '\0';
_reset_metadata ();
/* Make sure setting the metadata works */
ASSERT (mongoc_metadata_append (driver_name, driver_version, platform));
server = mock_server_new ();
mock_server_run (server);
uri = mongoc_uri_copy (mock_server_get_uri (server));
mongoc_uri_set_option_as_int32 (uri, "heartbeatFrequencyMS", 500);
pool = mongoc_client_pool_new (uri);
/* Force topology scanner to start */
client = mongoc_client_pool_pop (pool);
request = mock_server_receives_ismaster (server);
ASSERT (request);
request_doc = request_get_doc (request, 0);
ASSERT (request_doc);
ASSERT (bson_has_field (request_doc, "isMaster"));
ASSERT (bson_has_field (request_doc, METADATA_FIELD));
ASSERT (bson_iter_init_find (&iter, request_doc, METADATA_FIELD));
ASSERT (bson_iter_recurse (&iter, &md_iter));
/* Make sure driver.name and driver.version and platform are all right */
ASSERT (bson_iter_find (&md_iter, "driver"));
ASSERT (BSON_ITER_HOLDS_DOCUMENT (&md_iter));
ASSERT (bson_iter_recurse (&md_iter, &inner_iter));
ASSERT (bson_iter_find (&inner_iter, "name"));
ASSERT (BSON_ITER_HOLDS_UTF8 (&inner_iter));
val = bson_iter_utf8 (&inner_iter, NULL);
ASSERT (val);
ASSERT (strstr (val, driver_name) != NULL);
ASSERT (bson_iter_find (&inner_iter, "version"));
ASSERT (BSON_ITER_HOLDS_UTF8 (&inner_iter));
val = bson_iter_utf8 (&inner_iter, NULL);
ASSERT (val);
ASSERT (strstr (val, driver_version));
/* Check os type not empty */
ASSERT (bson_iter_find (&md_iter, "os"));
ASSERT (BSON_ITER_HOLDS_DOCUMENT (&md_iter));
ASSERT (bson_iter_recurse (&md_iter, &inner_iter));
ASSERT (bson_iter_find (&inner_iter, "type"));
ASSERT (BSON_ITER_HOLDS_UTF8 (&inner_iter));
val = bson_iter_utf8 (&inner_iter, NULL);
ASSERT (val);
ASSERT (strlen (val) > 0);
/* Not checking os_name, as the spec says it can be NULL. */
/* Check platform field ok */
ASSERT (bson_iter_find (&md_iter, "platform"));
ASSERT (BSON_ITER_HOLDS_UTF8 (&md_iter));
val = bson_iter_utf8 (&md_iter, NULL);
ASSERT (val);
ASSERT (strstr (val, platform) != NULL);
mock_server_replies_simple (request,
"{'ok': 1, 'ismaster': true}");
request_destroy (request);
/* Cleanup */
mongoc_client_pool_push (pool, client);
mongoc_client_pool_destroy (pool);
mongoc_uri_destroy (uri);
mock_server_destroy (server);
_reset_metadata ();
}
/*
* Append to the platform field a huge string
* Make sure that it gets truncated
*/
static void
test_mongoc_metadata_too_big (void)
{
mongoc_client_t *client;
mock_server_t *server;
mongoc_uri_t *uri;
future_t *future;
request_t *request;
const bson_t *ismaster_doc;
bson_iter_t iter;
enum { BUFFER_SIZE = METADATA_MAX_SIZE };
char big_string[BUFFER_SIZE];
uint32_t len;
const uint8_t *dummy;
server = mock_server_new ();
mock_server_run (server);
_reset_metadata ();
memset (big_string, 'a', BUFFER_SIZE - 1);
big_string[BUFFER_SIZE - 1] = '\0';
ASSERT (mongoc_metadata_append (NULL, NULL, big_string));
uri = mongoc_uri_copy (mock_server_get_uri (server));
client = mongoc_client_new_from_uri (uri);
ASSERT (mongoc_client_set_appname (client, "my app"));
/* Send a ping, mock server deals with it */
future = future_client_command_simple (client,
"admin",
tmp_bson ("{'ping': 1}"),
NULL,
NULL,
NULL);
request = mock_server_receives_ismaster (server);
/* Make sure the isMaster request has a metadata field, and it's not huge */
ASSERT (request);
ismaster_doc = request_get_doc (request, 0);
ASSERT (ismaster_doc);
ASSERT (bson_has_field (ismaster_doc, "isMaster"));
ASSERT (bson_has_field (ismaster_doc, METADATA_FIELD));
/* isMaster with metadata isn't too big */
bson_iter_init_find (&iter,
ismaster_doc,
METADATA_FIELD);
ASSERT (BSON_ITER_HOLDS_DOCUMENT (&iter));
bson_iter_document (&iter, &len, &dummy);
/* Should have truncated the platform field so it fits exactly */
ASSERT (len == METADATA_MAX_SIZE);
mock_server_replies_simple (request, "{'ok': 1}");
request_destroy (request);
request = mock_server_receives_command (server, "admin",
MONGOC_QUERY_SLAVE_OK,
"{'ping': 1}");
mock_server_replies_simple (request, "{'ok': 1}");
ASSERT (future_get_bool (future));
future_destroy (future);
request_destroy (request);
mongoc_client_destroy (client);
mongoc_uri_destroy (uri);
mock_server_destroy (server);
/* So later tests don't have "aaaaa..." as the md platform string */
_reset_metadata ();
}