/
mongoc-write-command.c
2027 lines (1691 loc) · 62 KB
/
mongoc-write-command.c
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/*
* Copyright 2014 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <bson.h>
#include "mongoc-client-private.h"
#include "mongoc-error.h"
#include "mongoc-trace-private.h"
#include "mongoc-write-command-private.h"
#include "mongoc-write-concern-private.h"
#include "mongoc-util-private.h"
/*
* TODO:
*
* - Remove error parameter to ops, favor result->error.
*/
#define WRITE_CONCERN_DOC(wc) \
(wc) ? (_mongoc_write_concern_get_bson ((mongoc_write_concern_t *) (wc))) \
: (&gEmptyWriteConcern)
typedef void (*mongoc_write_op_t) (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);
static bson_t gEmptyWriteConcern = BSON_INITIALIZER;
/* indexed by MONGOC_WRITE_COMMAND_DELETE, INSERT, UPDATE */
static const char *gCommandNames[] = {"delete", "insert", "update"};
static const char *gCommandFields[] = {"deletes", "documents", "updates"};
static const uint32_t gCommandFieldLens[] = {7, 9, 7};
static int32_t
_mongoc_write_result_merge_arrays (uint32_t offset,
mongoc_write_result_t *result,
bson_t *dest,
bson_iter_t *iter);
static bool
_is_duplicate_key_error (int32_t code)
{
return code == 11000 || code == 16460 || /* see SERVER-11493 */
code == 11001 || /* duplicate key for updates before 2.6 */
code == 12582; /* mongos before 2.6 */
}
void
_mongoc_write_command_insert_append (mongoc_write_command_t *command,
const bson_t *document)
{
const char *key;
bson_iter_t iter;
bson_oid_t oid;
bson_t tmp;
char keydata[16];
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (command->type == MONGOC_WRITE_COMMAND_INSERT);
BSON_ASSERT (document);
BSON_ASSERT (document->len >= 5);
key = NULL;
bson_uint32_to_string (command->n_documents, &key, keydata, sizeof keydata);
BSON_ASSERT (key);
/*
* If the document does not contain an "_id" field, we need to generate
* a new oid for "_id".
*/
if (!bson_iter_init_find (&iter, document, "_id")) {
bson_init (&tmp);
bson_oid_init (&oid, NULL);
BSON_APPEND_OID (&tmp, "_id", &oid);
bson_concat (&tmp, document);
BSON_APPEND_DOCUMENT (command->documents, key, &tmp);
bson_destroy (&tmp);
} else {
BSON_APPEND_DOCUMENT (command->documents, key, document);
}
command->n_documents++;
EXIT;
}
void
_mongoc_write_command_update_append (mongoc_write_command_t *command,
const bson_t *selector,
const bson_t *update,
const bson_t *opts)
{
const char *key;
char keydata[16];
bson_t doc;
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (command->type == MONGOC_WRITE_COMMAND_UPDATE);
BSON_ASSERT (selector && update);
bson_init (&doc);
BSON_APPEND_DOCUMENT (&doc, "q", selector);
BSON_APPEND_DOCUMENT (&doc, "u", update);
if (opts) {
bson_concat (&doc, opts);
command->flags.has_collation |= bson_has_field (opts, "collation");
}
key = NULL;
bson_uint32_to_string (command->n_documents, &key, keydata, sizeof keydata);
BSON_ASSERT (key);
BSON_APPEND_DOCUMENT (command->documents, key, &doc);
command->n_documents++;
bson_destroy (&doc);
EXIT;
}
void
_mongoc_write_command_delete_append (mongoc_write_command_t *command,
const bson_t *selector,
const bson_t *opts)
{
const char *key;
char keydata[16];
bson_t doc;
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (command->type == MONGOC_WRITE_COMMAND_DELETE);
BSON_ASSERT (selector);
BSON_ASSERT (selector->len >= 5);
bson_init (&doc);
BSON_APPEND_DOCUMENT (&doc, "q", selector);
if (opts) {
bson_concat (&doc, opts);
command->flags.has_collation |= bson_has_field (opts, "collation");
}
key = NULL;
bson_uint32_to_string (command->n_documents, &key, keydata, sizeof keydata);
BSON_ASSERT (key);
BSON_APPEND_DOCUMENT (command->documents, key, &doc);
command->n_documents++;
bson_destroy (&doc);
EXIT;
}
void
_mongoc_write_command_init_insert (mongoc_write_command_t *command, /* IN */
const bson_t *document, /* IN */
mongoc_bulk_write_flags_t flags, /* IN */
int64_t operation_id, /* IN */
bool allow_bulk_op_insert) /* IN */
{
ENTRY;
BSON_ASSERT (command);
command->type = MONGOC_WRITE_COMMAND_INSERT;
command->documents = bson_new ();
command->n_documents = 0;
command->flags = flags;
command->u.insert.allow_bulk_op_insert = (uint8_t) allow_bulk_op_insert;
command->operation_id = operation_id;
/* must handle NULL document from mongoc_collection_insert_bulk */
if (document) {
_mongoc_write_command_insert_append (command, document);
}
EXIT;
}
void
_mongoc_write_command_init_delete (mongoc_write_command_t *command, /* IN */
const bson_t *selector, /* IN */
const bson_t *opts, /* IN */
mongoc_bulk_write_flags_t flags, /* IN */
int64_t operation_id) /* IN */
{
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (selector);
command->type = MONGOC_WRITE_COMMAND_DELETE;
command->documents = bson_new ();
command->n_documents = 0;
command->flags = flags;
command->operation_id = operation_id;
_mongoc_write_command_delete_append (command, selector, opts);
EXIT;
}
void
_mongoc_write_command_init_update (mongoc_write_command_t *command, /* IN */
const bson_t *selector, /* IN */
const bson_t *update, /* IN */
const bson_t *opts, /* IN */
mongoc_bulk_write_flags_t flags, /* IN */
int64_t operation_id) /* IN */
{
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (selector);
BSON_ASSERT (update);
command->type = MONGOC_WRITE_COMMAND_UPDATE;
command->documents = bson_new ();
command->n_documents = 0;
command->flags = flags;
command->operation_id = operation_id;
_mongoc_write_command_update_append (command, selector, update, opts);
EXIT;
}
/* takes initialized bson_t *doc and begins formatting a write command */
static void
_mongoc_write_command_init (bson_t *doc,
mongoc_write_command_t *command,
const char *collection,
const mongoc_write_concern_t *write_concern)
{
bson_iter_t iter;
ENTRY;
if (!command->n_documents || !bson_iter_init (&iter, command->documents) ||
!bson_iter_next (&iter)) {
EXIT;
}
BSON_APPEND_UTF8 (doc, gCommandNames[command->type], collection);
BSON_APPEND_DOCUMENT (
doc, "writeConcern", WRITE_CONCERN_DOC (write_concern));
BSON_APPEND_BOOL (doc, "ordered", command->flags.ordered);
if (command->flags.bypass_document_validation !=
MONGOC_BYPASS_DOCUMENT_VALIDATION_DEFAULT) {
BSON_APPEND_BOOL (doc,
"bypassDocumentValidation",
!!command->flags.bypass_document_validation);
}
EXIT;
}
static void
_mongoc_monitor_legacy_write (mongoc_client_t *client,
mongoc_write_command_t *command,
const char *db,
const char *collection,
const mongoc_write_concern_t *write_concern,
mongoc_server_stream_t *stream,
int64_t request_id)
{
bson_t doc;
mongoc_apm_command_started_t event;
ENTRY;
if (!client->apm_callbacks.started) {
EXIT;
}
bson_init (&doc);
_mongoc_write_command_init (&doc, command, collection, write_concern);
/* copy the whole documents buffer as e.g. "updates": [...] */
BSON_APPEND_ARRAY (&doc, gCommandFields[command->type], command->documents);
mongoc_apm_command_started_init (&event,
&doc,
db,
gCommandNames[command->type],
request_id,
command->operation_id,
&stream->sd->host,
stream->sd->id,
client->apm_context);
client->apm_callbacks.started (&event);
mongoc_apm_command_started_cleanup (&event);
bson_destroy (&doc);
}
static void
append_write_err (bson_t *doc,
uint32_t code,
const char *errmsg,
size_t errmsg_len,
const bson_t *errinfo)
{
bson_t array = BSON_INITIALIZER;
bson_t child;
BSON_ASSERT (errmsg);
/* writeErrors: [{index: 0, code: code, errmsg: errmsg, errInfo: {...}}] */
bson_append_document_begin (&array, "0", 1, &child);
bson_append_int32 (&child, "index", 5, 0);
bson_append_int32 (&child, "code", 4, (int32_t) code);
bson_append_utf8 (&child, "errmsg", 6, errmsg, (int) errmsg_len);
if (errinfo) {
bson_append_document (&child, "errInfo", 7, errinfo);
}
bson_append_document_end (&array, &child);
bson_append_array (doc, "writeErrors", 11, &array);
bson_destroy (&array);
}
static void
append_write_concern_err (bson_t *doc, const char *errmsg, size_t errmsg_len)
{
bson_t array = BSON_INITIALIZER;
bson_t child;
bson_t errinfo;
BSON_ASSERT (errmsg);
/* writeConcernErrors: [{code: 64,
* errmsg: errmsg,
* errInfo: {wtimeout: true}}] */
bson_append_document_begin (&array, "0", 1, &child);
bson_append_int32 (&child, "code", 4, 64);
bson_append_utf8 (&child, "errmsg", 6, errmsg, (int) errmsg_len);
bson_append_document_begin (&child, "errInfo", 7, &errinfo);
bson_append_bool (&errinfo, "wtimeout", 8, true);
bson_append_document_end (&child, &errinfo);
bson_append_document_end (&array, &child);
bson_append_array (doc, "writeConcernErrors", 18, &array);
bson_destroy (&array);
}
static bool
get_upserted_id (const bson_t *update, bson_value_t *upserted_id)
{
bson_iter_t iter;
bson_iter_t id_iter;
/* Versions of MongoDB before 2.6 don't return the _id for an upsert if _id
* is not an ObjectId, so find it in the update document's query "q" or
* update "u". It must be in one or both: if it were in neither the _id
* would be server-generated, therefore an ObjectId, therefore returned and
* we wouldn't call this function. If _id is in both the update document
* *and* the query spec the update document _id takes precedence.
*/
bson_iter_init (&iter, update);
if (bson_iter_find_descendant (&iter, "u._id", &id_iter)) {
bson_value_copy (bson_iter_value (&id_iter), upserted_id);
return true;
} else {
bson_iter_init (&iter, update);
if (bson_iter_find_descendant (&iter, "q._id", &id_iter)) {
bson_value_copy (bson_iter_value (&id_iter), upserted_id);
return true;
}
}
/* server bug? */
return false;
}
static void
append_upserted (bson_t *doc, const bson_value_t *upserted_id)
{
bson_t array = BSON_INITIALIZER;
bson_t child;
/* append upserted: [{index: 0, _id: upserted_id}]*/
bson_append_document_begin (&array, "0", 1, &child);
bson_append_int32 (&child, "index", 5, 0);
bson_append_value (&child, "_id", 3, upserted_id);
bson_append_document_end (&array, &child);
bson_append_array (doc, "upserted", 8, &array);
bson_destroy (&array);
}
/* fire command-succeeded event as if we'd used a modern write command.
* note, cluster.request_id was incremented once for the write, again
* for the getLastError, so cluster.request_id is no longer valid; used the
* passed-in request_id instead.
*/
static void
_mongoc_monitor_legacy_write_succeeded (mongoc_client_t *client,
int64_t duration,
mongoc_write_command_t *command,
const bson_t *gle,
mongoc_server_stream_t *stream,
int64_t request_id)
{
bson_iter_t iter;
bson_t doc;
int64_t ok = 1;
int64_t n = 0;
uint32_t code = 8;
bool wtimeout = false;
/* server error message */
const char *errmsg = NULL;
size_t errmsg_len = 0;
/* server errInfo subdocument */
bool has_errinfo = false;
uint32_t len;
const uint8_t *data;
bson_t errinfo;
/* server upsertedId value */
bool has_upserted_id = false;
bson_value_t upserted_id;
/* server updatedExisting value */
bool has_updated_existing = false;
bool updated_existing = false;
mongoc_apm_command_succeeded_t event;
ENTRY;
if (!client->apm_callbacks.succeeded) {
EXIT;
}
/* first extract interesting fields from getlasterror response */
if (gle) {
bson_iter_init (&iter, gle);
while (bson_iter_next (&iter)) {
if (!strcmp (bson_iter_key (&iter), "ok")) {
ok = bson_iter_as_int64 (&iter);
} else if (!strcmp (bson_iter_key (&iter), "n")) {
n = bson_iter_as_int64 (&iter);
} else if (!strcmp (bson_iter_key (&iter), "code")) {
code = (uint32_t) bson_iter_as_int64 (&iter);
if (code == 0) {
/* server sent non-numeric error code? */
code = 8;
}
} else if (!strcmp (bson_iter_key (&iter), "upserted")) {
has_upserted_id = true;
bson_value_copy (bson_iter_value (&iter), &upserted_id);
} else if (!strcmp (bson_iter_key (&iter), "updatedExisting")) {
has_updated_existing = true;
updated_existing = bson_iter_as_bool (&iter);
} else if ((!strcmp (bson_iter_key (&iter), "err") ||
!strcmp (bson_iter_key (&iter), "errmsg")) &&
BSON_ITER_HOLDS_UTF8 (&iter)) {
errmsg = bson_iter_utf8_unsafe (&iter, &errmsg_len);
} else if (!strcmp (bson_iter_key (&iter), "errInfo") &&
BSON_ITER_HOLDS_DOCUMENT (&iter)) {
bson_iter_document (&iter, &len, &data);
bson_init_static (&errinfo, data, len);
has_errinfo = true;
} else if (!strcmp (bson_iter_key (&iter), "wtimeout")) {
wtimeout = true;
}
}
}
/* based on PyMongo's _convert_write_result() */
bson_init (&doc);
bson_append_int32 (&doc, "ok", 2, (int32_t) ok);
if (errmsg && !wtimeout) {
/* Failure, but pass to the success callback. Command Monitoring Spec:
* "Commands that executed on the server and return a status of {ok: 1}
* are considered successful commands and fire CommandSucceededEvent.
* Commands that have write errors are included since the actual command
* did succeed, only writes failed." */
append_write_err (
&doc, code, errmsg, errmsg_len, has_errinfo ? &errinfo : NULL);
} else {
/* Success, perhaps with a writeConcernError. */
if (errmsg) {
append_write_concern_err (&doc, errmsg, errmsg_len);
}
if (command->type == MONGOC_WRITE_COMMAND_INSERT) {
/* GLE result for insert is always 0 in most MongoDB versions. */
n = command->n_documents;
} else if (command->type == MONGOC_WRITE_COMMAND_UPDATE) {
if (has_upserted_id) {
append_upserted (&doc, &upserted_id);
} else if (has_updated_existing && !updated_existing && n == 1) {
has_upserted_id =
get_upserted_id (&command->documents[0], &upserted_id);
if (has_upserted_id) {
append_upserted (&doc, &upserted_id);
}
}
}
}
bson_append_int32 (&doc, "n", 1, (int32_t) n);
mongoc_apm_command_succeeded_init (&event,
duration,
&doc,
gCommandNames[command->type],
request_id,
command->operation_id,
&stream->sd->host,
stream->sd->id,
client->apm_context);
client->apm_callbacks.succeeded (&event);
mongoc_apm_command_succeeded_cleanup (&event);
bson_destroy (&doc);
if (has_upserted_id) {
bson_value_destroy (&upserted_id);
}
EXIT;
}
/*
*-------------------------------------------------------------------------
*
* too_large_error --
*
* Fill a bson_error_t and optional bson_t with error info after
* receiving a document for bulk insert, update, or remove that is
* larger than max_bson_size.
*
* "err_doc" should be NULL or an empty initialized bson_t.
*
* Returns:
* None.
*
* Side effects:
* "error" and optionally "err_doc" are filled out.
*
*-------------------------------------------------------------------------
*/
static void
too_large_error (bson_error_t *error,
int32_t idx,
int32_t len,
int32_t max_bson_size,
bson_t *err_doc)
{
bson_set_error (error,
MONGOC_ERROR_BSON,
MONGOC_ERROR_BSON_INVALID,
"Document %u is too large for the cluster. "
"Document is %u bytes, max is %d.",
idx,
len,
max_bson_size);
if (err_doc) {
BSON_APPEND_INT32 (err_doc, "index", idx);
BSON_APPEND_UTF8 (err_doc, "err", error->message);
BSON_APPEND_INT32 (err_doc, "code", MONGOC_ERROR_BSON_INVALID);
}
}
static void
_mongoc_write_command_delete_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)
{
int64_t started;
int32_t max_bson_obj_size;
const uint8_t *data;
mongoc_rpc_t rpc;
uint32_t request_id;
bson_iter_t iter;
bson_iter_t q_iter;
uint32_t len;
int64_t limit = 0;
bson_t *gle = NULL;
char ns[MONGOC_NAMESPACE_MAX + 1];
bool r;
ENTRY;
BSON_ASSERT (command);
BSON_ASSERT (client);
BSON_ASSERT (database);
BSON_ASSERT (server_stream);
BSON_ASSERT (collection);
started = bson_get_monotonic_time ();
max_bson_obj_size = mongoc_server_stream_max_bson_obj_size (server_stream);
r = bson_iter_init (&iter, command->documents);
BSON_ASSERT (r);
if (!command->n_documents || !bson_iter_next (&iter)) {
bson_set_error (error,
MONGOC_ERROR_COLLECTION,
MONGOC_ERROR_COLLECTION_DELETE_FAILED,
"Cannot do an empty delete.");
result->failed = true;
EXIT;
}
bson_snprintf (ns, sizeof ns, "%s.%s", database, collection);
do {
/* the document is like { "q": { <selector> }, limit: <0 or 1> } */
r = (bson_iter_recurse (&iter, &q_iter) &&
bson_iter_find (&q_iter, "q") && BSON_ITER_HOLDS_DOCUMENT (&q_iter));
BSON_ASSERT (r);
bson_iter_document (&q_iter, &len, &data);
BSON_ASSERT (data);
BSON_ASSERT (len >= 5);
if (len > max_bson_obj_size) {
too_large_error (error, 0, len, max_bson_obj_size, NULL);
result->failed = true;
EXIT;
}
request_id = ++client->cluster.request_id;
rpc.header.msg_len = 0;
rpc.header.request_id = request_id;
rpc.header.response_to = 0;
rpc.header.opcode = MONGOC_OPCODE_DELETE;
rpc.delete_.zero = 0;
rpc.delete_.collection = ns;
if (bson_iter_find (&q_iter, "limit") &&
(BSON_ITER_HOLDS_INT (&q_iter))) {
limit = bson_iter_as_int64 (&q_iter);
}
rpc.delete_.flags =
limit ? MONGOC_DELETE_SINGLE_REMOVE : MONGOC_DELETE_NONE;
rpc.delete_.selector = data;
_mongoc_monitor_legacy_write (client,
command,
database,
collection,
write_concern,
server_stream,
request_id);
if (!mongoc_cluster_sendv_to_server (
&client->cluster, &rpc, server_stream, write_concern, error)) {
result->failed = true;
EXIT;
}
if (mongoc_write_concern_is_acknowledged (write_concern)) {
if (!_mongoc_client_recv_gle (client, server_stream, &gle, error)) {
result->failed = true;
EXIT;
}
_mongoc_write_result_merge_legacy (
result,
command,
gle,
client->error_api_version,
MONGOC_ERROR_COLLECTION_DELETE_FAILED,
offset);
offset++;
}
_mongoc_monitor_legacy_write_succeeded (client,
bson_get_monotonic_time () -
started,
command,
gle,
server_stream,
request_id);
if (gle) {
bson_destroy (gle);
gle = NULL;
}
started = bson_get_monotonic_time ();
} while (bson_iter_next (&iter));
EXIT;
}
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)
{
int64_t started;
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 request_id = 0;
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);
started = bson_get_monotonic_time ();
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);
BSON_ASSERT (r);
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,
client->error_api_version,
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) {
request_id = ++client->cluster.request_id;
rpc.header.msg_len = 0;
rpc.header.request_id = request_id;
rpc.header.response_to = 0;
rpc.header.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;
_mongoc_monitor_legacy_write (client,
command,
database,
collection,
write_concern,
server_stream,
request_id);
if (!mongoc_cluster_sendv_to_server (
&client->cluster, &rpc, server_stream, write_concern, error)) {
result->failed = true;
GOTO (cleanup);
}
if (mongoc_write_concern_is_acknowledged (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);
}
}
_mongoc_monitor_legacy_write_succeeded (client,
bson_get_monotonic_time () -
started,
command,
gle,
server_stream,
request_id);
started = bson_get_monotonic_time ();
}
cleanup:
if (gle) {
_mongoc_write_result_merge_legacy (result,
command,
gle,
client->error_api_version,
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;
}
void
_empty_error (mongoc_write_command_t *command, bson_error_t *error)
{
static const uint32_t codes[] = {MONGOC_ERROR_COLLECTION_DELETE_FAILED,
MONGOC_ERROR_COLLECTION_INSERT_FAILED,
MONGOC_ERROR_COLLECTION_UPDATE_FAILED};
bson_set_error (error,
MONGOC_ERROR_COLLECTION,
codes[command->type],
"Cannot do an empty %s",
gCommandNames[command->type]);
}
bool
_mongoc_write_command_will_overflow (uint32_t len_so_far,
uint32_t document_len,
uint32_t n_documents_written,
int32_t max_bson_size,
int32_t max_write_batch_size)
{
/* max BSON object size + 16k bytes.
* server guarantees there is enough room: SERVER-10643
*/
int32_t max_cmd_size = max_bson_size + 16384;
BSON_ASSERT (max_bson_size);
if (len_so_far + document_len > max_cmd_size) {
return true;
} else if (max_write_batch_size > 0 &&
n_documents_written >= max_write_batch_size) {
return true;
}
return false;
}
static void
_mongoc_write_command_update_legacy (
mongoc_write_command_t *command,
mongoc_client_t *client,