bool
mongoc_uri_set_option_as_int32 (mongoc_uri_t *uri,
const char *option,
int32_t value)
{
const bson_t *options;
bson_iter_t iter;
BSON_ASSERT (option);
if (!mongoc_uri_option_is_int32 (option)) {
return false;
}
if ((options = mongoc_uri_get_options (uri)) &&
bson_iter_init_find_case (&iter, options, option)) {
if (BSON_ITER_HOLDS_INT32 (&iter)) {
bson_iter_overwrite_int32 (&iter, value);
return true;
} else {
return false;
}
}
bson_append_int32(&uri->options, option, -1, value);
return true;
}
static void
test_bson_iter_overwrite_int32 (void)
{
bson_iter_t iter;
bson_t b;
bson_init(&b);
assert(bson_append_int32(&b, "key", -1, 1234));
assert(bson_iter_init_find(&iter, &b, "key"));
assert(BSON_ITER_HOLDS_INT32(&iter));
bson_iter_overwrite_int32(&iter, 4321);
assert(bson_iter_init_find(&iter, &b, "key"));
assert(BSON_ITER_HOLDS_INT32(&iter));
assert_cmpint(bson_iter_int32(&iter), ==, 4321);
bson_destroy(&b);
}
static void
_mongoc_write_command_insert_legacy (mongoc_write_command_t *command,
mongoc_client_t *client,
mongoc_server_stream_t *server_stream,
const char *database,
const char *collection,
const mongoc_write_concern_t *write_concern,
uint32_t offset,
mongoc_write_result_t *result,
bson_error_t *error)
{
uint32_t current_offset;
mongoc_iovec_t *iov;
const uint8_t *data;
mongoc_rpc_t rpc;
bson_iter_t iter;
uint32_t len;
bson_t *gle = NULL;
uint32_t size = 0;
bool has_more;
char ns [MONGOC_NAMESPACE_MAX + 1];
bool r;
uint32_t n_docs_in_batch;
uint32_t idx = 0;
int32_t max_msg_size;
int32_t max_bson_obj_size;
bool singly;
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (client);
BSON_ASSERT (database);
BSON_ASSERT (server_stream);
BSON_ASSERT (collection);
BSON_ASSERT (command->type == MONGOC_WRITE_COMMAND_INSERT);
current_offset = offset;
max_bson_obj_size = mongoc_server_stream_max_bson_obj_size (server_stream);
max_msg_size = mongoc_server_stream_max_msg_size (server_stream);
singly = !command->u.insert.allow_bulk_op_insert;
r = bson_iter_init (&iter, command->documents);
if (!r) {
BSON_ASSERT (false);
EXIT;
}
if (!command->n_documents || !bson_iter_next (&iter)) {
bson_set_error (error,
MONGOC_ERROR_COLLECTION,
MONGOC_ERROR_COLLECTION_INSERT_FAILED,
"Cannot do an empty insert.");
result->failed = true;
EXIT;
}
bson_snprintf (ns, sizeof ns, "%s.%s", database, collection);
iov = (mongoc_iovec_t *)bson_malloc ((sizeof *iov) * command->n_documents);
again:
has_more = false;
n_docs_in_batch = 0;
size = (uint32_t)(sizeof (mongoc_rpc_header_t) +
4 +
strlen (database) +
1 +
strlen (collection) +
1);
do {
BSON_ASSERT (BSON_ITER_HOLDS_DOCUMENT (&iter));
BSON_ASSERT (n_docs_in_batch <= idx);
BSON_ASSERT (idx < command->n_documents);
bson_iter_document (&iter, &len, &data);
BSON_ASSERT (data);
BSON_ASSERT (len >= 5);
if (len > max_bson_obj_size) {
/* document is too large */
bson_t write_err_doc = BSON_INITIALIZER;
too_large_error (error, idx, len,
max_bson_obj_size, &write_err_doc);
_mongoc_write_result_merge_legacy (
result, command, &write_err_doc,
MONGOC_ERROR_COLLECTION_INSERT_FAILED, offset + idx);
bson_destroy (&write_err_doc);
if (command->flags.ordered) {
/* send the batch so far (if any) and return the error */
break;
}
} else if ((n_docs_in_batch == 1 && singly) || size > (max_msg_size - len)) {
/* batch is full, send it and then start the next batch */
has_more = true;
break;
} else {
/* add document to batch and continue building the batch */
iov[n_docs_in_batch].iov_base = (void *) data;
iov[n_docs_in_batch].iov_len = len;
size += len;
n_docs_in_batch++;
}
idx++;
} while (bson_iter_next (&iter));
if (n_docs_in_batch) {
rpc.insert.msg_len = 0;
rpc.insert.request_id = 0;
rpc.insert.response_to = 0;
rpc.insert.opcode = MONGOC_OPCODE_INSERT;
rpc.insert.flags = (
(command->flags.ordered) ? MONGOC_INSERT_NONE
: MONGOC_INSERT_CONTINUE_ON_ERROR);
rpc.insert.collection = ns;
rpc.insert.documents = iov;
rpc.insert.n_documents = n_docs_in_batch;
if (!mongoc_cluster_sendv_to_server (&client->cluster,
&rpc, 1, server_stream,
write_concern, error)) {
result->failed = true;
GOTO (cleanup);
}
if (_mongoc_write_concern_needs_gle (write_concern)) {
bool err = false;
bson_iter_t citer;
if (!_mongoc_client_recv_gle (client, server_stream, &gle, error)) {
result->failed = true;
GOTO (cleanup);
}
err = (bson_iter_init_find (&citer, gle, "err")
&& bson_iter_as_bool (&citer));
/*
* Overwrite the "n" field since it will be zero. Otherwise, our
* merge_legacy code will not know how many we tried in this batch.
*/
if (!err &&
bson_iter_init_find (&citer, gle, "n") &&
BSON_ITER_HOLDS_INT32 (&citer) &&
!bson_iter_int32 (&citer)) {
bson_iter_overwrite_int32 (&citer, n_docs_in_batch);
}
}
}
cleanup:
if (gle) {
_mongoc_write_result_merge_legacy (
result, command, gle, MONGOC_ERROR_COLLECTION_INSERT_FAILED,
current_offset);
current_offset = offset + idx;
bson_destroy (gle);
gle = NULL;
}
if (has_more) {
GOTO (again);
}
bson_free (iov);
EXIT;
}