void
_mongoc_write_command_update_append (mongoc_write_command_t *command,
                                     const bson_t           *selector,
                                     const bson_t           *update,
                                     bool                    upsert,
                                     bool                    multi)
{
   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);
   BSON_APPEND_BOOL (&doc, "upsert", upsert);
   BSON_APPEND_BOOL (&doc, "multi", multi);

   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;
}
Ejemplo n.º 2
0
void
_mongoc_write_command_update_append (mongoc_write_command_t *command,
                                     const bson_t *selector,
                                     const bson_t *update,
                                     const bson_t *opts)
{
   bson_t document;

   ENTRY;

   BSON_ASSERT (command);
   BSON_ASSERT (command->type == MONGOC_WRITE_COMMAND_UPDATE);
   BSON_ASSERT (selector && update);

   bson_init (&document);
   BSON_APPEND_DOCUMENT (&document, "q", selector);
   BSON_APPEND_DOCUMENT (&document, "u", update);
   if (opts) {
      bson_concat (&document, opts);
   }

   _mongoc_buffer_append (
      &command->payload, bson_get_data (&document), document.len);
   command->n_documents++;

   bson_destroy (&document);

   EXIT;
}
void
_mongoc_write_command_delete_append (mongoc_write_command_t *command,
                                     const bson_t           *selector)
{
   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);
   BSON_APPEND_INT32 (&doc, "limit", command->u.delete_.multi ? 0 : 1);

   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;
}
Ejemplo n.º 4
0
static void
td_to_bson (const mongoc_topology_description_t *td,
            bson_t                              *bson)
{
   size_t i;
   bson_t servers = BSON_INITIALIZER;
   bson_t server;
   char str[16];
   const char *key;

   for (i = 0; i < td->servers->items_len; i++) {
      bson_uint32_to_string ((uint32_t) i, &key, str, sizeof str);
      sd_to_bson (mongoc_set_get_item (td->servers, (int) i), &server);
      BSON_APPEND_DOCUMENT (&servers, key, &server);
      bson_destroy (&server);
   }

   bson_init (bson);
   BSON_APPEND_UTF8 (bson, "topologyType",
                     mongoc_topology_description_type (td));

   if (td->set_name) {
      BSON_APPEND_UTF8 (bson, "setName", td->set_name);
   }

   BSON_APPEND_ARRAY (bson, "servers", &servers);

   bson_destroy (&servers);
}
Ejemplo n.º 5
0
void
_append_array_from_command (mongoc_write_command_t *command, bson_t *bson)
{
   bson_t ar;
   bson_reader_t *reader;
   char str[16];
   uint32_t i = 0;
   const char *key;
   bool eof;
   const bson_t *current;


   reader =
      bson_reader_new_from_data (command->payload.data, command->payload.len);

   bson_append_array_begin (bson,
                            gCommandFields[command->type],
                            gCommandFieldLens[command->type],
                            &ar);

   while ((current = bson_reader_read (reader, &eof))) {
      bson_uint32_to_string (i, &key, str, sizeof str);
      BSON_APPEND_DOCUMENT (&ar, key, current);
      i++;
   }

   bson_append_array_end (bson, &ar);
   bson_reader_destroy (reader);
}
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;
}
Ejemplo n.º 7
0
mongoc_cursor_t *
mongoc_database_find_collections (mongoc_database_t *database,
                                  const bson_t      *filter,
                                  bson_error_t      *error)
{
   mongoc_cursor_t *cursor;
   mongoc_read_prefs_t *read_prefs;
   bson_t cmd = BSON_INITIALIZER;
   bson_t child;
   bson_error_t lerror;

   BSON_ASSERT (database);

   BSON_APPEND_INT32 (&cmd, "listCollections", 1);

   if (filter) {
      BSON_APPEND_DOCUMENT (&cmd, "filter", filter);
      BSON_APPEND_DOCUMENT_BEGIN (&cmd, "cursor", &child);
      bson_append_document_end (&cmd, &child);
   }

   read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);

   cursor = _mongoc_cursor_new (database->client, database->name,
                                MONGOC_QUERY_SLAVE_OK, 0, 0, 0, true,
                                NULL, NULL, NULL, NULL);

   _mongoc_cursor_cursorid_init (cursor, &cmd);

   if (_mongoc_cursor_cursorid_prime (cursor)) {
       /* intentionally empty */
   } else {
      if (mongoc_cursor_error (cursor, &lerror)) {
         if (lerror.code == MONGOC_ERROR_QUERY_COMMAND_NOT_FOUND) {
            /* We are talking to a server that doesn' support listCollections. */
            /* clear out the error. */
            memset (&lerror, 0, sizeof lerror);
            /* try again with using system.namespaces */
            mongoc_cursor_destroy (cursor);
            cursor = _mongoc_database_find_collections_legacy (
               database, filter, error);
         } else if (error) {
            memcpy (error, &lerror, sizeof *error);
         }
      }
   }

   bson_destroy (&cmd);
   mongoc_read_prefs_destroy (read_prefs);

   return cursor;
}
Ejemplo n.º 8
0
static void
context_append (context_t *context, bson_t *event)
{
   char str[16];
   const char *key;

   bson_uint32_to_string (context->n_events, &key, str, sizeof str);
   BSON_APPEND_DOCUMENT (&context->events, key, event);

   context->n_events++;

   bson_destroy (event);
}
Ejemplo n.º 9
0
bson_t *
mongoc_database_get_collection_info (mongoc_database_t *database,
                                     const bson_t      *filter,
                                     bson_error_t      *error)
{
   mongoc_read_prefs_t *read_prefs;
   bson_t *reply = bson_new();
   bson_t cmd = BSON_INITIALIZER;
   bool cmd_success;

   BSON_ASSERT (database);

   BSON_APPEND_INT32 (&cmd, "listCollections", 1);

   if (filter) {
      BSON_APPEND_DOCUMENT (&cmd, "filter", filter);
   }

   read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);

   cmd_success = mongoc_database_command_simple (database, &cmd, read_prefs,
                                                 reply, error);
   if (cmd_success) {
       /* intentionally empty */
   } else if (error->code == MONGOC_ERROR_QUERY_COMMAND_NOT_FOUND) {
      bson_destroy (reply);
      /* We are talking to a server that doesn' support listCollections. */
      /* clear out the error. */
      error->code = 0;
      error->domain = 0;
      /* try again with using system.namespaces */
      reply =
         _mongoc_database_get_collection_info_legacy (database, filter, error);
   } else {
      /* network error */
      bson_destroy (reply);
      reply = NULL;
   }

   bson_destroy (&cmd);
   mongoc_read_prefs_destroy (read_prefs);

   return reply;
}
Ejemplo n.º 10
0
static void
append_documents_from_cmd (const mongoc_cmd_t *cmd,
                           mongoc_apm_command_started_t *event)
{
   int32_t doc_len;
   bson_t doc;
   const uint8_t *pos;
   const char *field_name;
   bson_t bson;
   char str[16];
   const char *key;
   uint32_t i;

   if (!cmd->payload || !cmd->payload_size) {
      return;
   }

   if (!event->command_owned) {
      event->command = bson_copy (event->command);
      event->command_owned = true;
   }

   /* make array from outgoing OP_MSG payload type 1 on an "insert",
    * "update", or "delete" command. */
   field_name = _mongoc_get_documents_field_name (cmd->command_name);
   BSON_ASSERT (field_name);
   BSON_ASSERT (BSON_APPEND_ARRAY_BEGIN (event->command, field_name, &bson));

   pos = cmd->payload;
   i = 0;
   while (pos < cmd->payload + cmd->payload_size) {
      memcpy (&doc_len, pos, sizeof (doc_len));
      doc_len = BSON_UINT32_FROM_LE (doc_len);
      BSON_ASSERT (bson_init_static (&doc, pos, (size_t) doc_len));
      bson_uint32_to_string (i, &key, str, sizeof (str));
      BSON_APPEND_DOCUMENT (&bson, key, &doc);

      pos += doc_len;
      i++;
   }

   bson_append_array_end (event->command, &bson);
}
Ejemplo n.º 11
0
bson_t* file_getBSON(file_t *file) {
	char arrayKey[16];

	bson_t *bson = bson_new();
	BSON_APPEND_UTF8(bson, "_id", file->id);
	BSON_APPEND_UTF8(bson, "name", file->name);
	BSON_APPEND_INT64(bson, "size", file->size);
	BSON_APPEND_UTF8(bson, "parentId", file->parentId);

	bson_t *bson_blocks = bson_new();
	int blockIndex = 0;
	void listBlocks(t_list* blockCopies) {
		bson_t *bson_block_copies = bson_new();
		int copyIndex = 0;
		void listBlockCopy(file_block_t *blockCopy) {
			sprintf(arrayKey, "%d", copyIndex);
			bson_t *bson_block_copy = file_block_getBSON(blockCopy);
			BSON_APPEND_DOCUMENT(bson_block_copies, arrayKey, bson_block_copy);
			bson_destroy(bson_block_copy);
			copyIndex++;
		}
Ejemplo n.º 12
0
static bool appendBsonValue(bson_t *bson, const QString &key, const QVariant &value)
{
    const QLatin1String oidkey("_id");
    bool ok = true;
    int type = value.type();

    // _id
    if (key == oidkey) {
        QByteArray oidVal = value.toByteArray();
        if (oidVal.length() == 24) {
            // ObjectId
            bson_oid_t oid;
            bson_oid_init_from_string(&oid, oidVal.data());
            BSON_APPEND_OID(bson, oidkey.latin1(), &oid);
        } else {
            int id = value.toInt(&ok);
            if (ok) {
                BSON_APPEND_INT32(bson, oidkey.latin1(), id);
            } else {
                BSON_APPEND_UTF8(bson, oidkey.latin1(), value.toString().toUtf8().data());
            }
        }
        return true;
    }

    switch (type) {
    case QVariant::Int:
        BSON_APPEND_INT32(bson, qPrintable(key), value.toInt(&ok));
        break;

    case QVariant::String:
        BSON_APPEND_UTF8(bson, qPrintable(key), value.toString().toUtf8().data());
        break;

    case QVariant::LongLong:
        BSON_APPEND_INT64(bson, qPrintable(key), value.toLongLong(&ok));
        break;

    case QVariant::Map:
        BSON_APPEND_DOCUMENT(bson, qPrintable(key), (const bson_t *)TBson::toBson(value.toMap()).constData());
        break;

    case QVariant::Double:
        BSON_APPEND_DOUBLE(bson, qPrintable(key), value.toDouble(&ok));
        break;

    case QVariant::Bool:
        BSON_APPEND_BOOL(bson, qPrintable(key), value.toBool());
        break;

    case QVariant::DateTime: {
#if QT_VERSION >= 0x040700
        BSON_APPEND_DATE_TIME(bson, qPrintable(key), value.toDateTime().toMSecsSinceEpoch());
#else
        QDateTime utcDate = value.toDateTime().toUTC();
        qint64 ms = utcDate.time().msec();
        qint64 tm = utcDate.toTime_t() * 1000LL;
        if (ms > 0) {
          tm += ms;
        }
        BSON_APPEND_DATE_TIME(bson, qPrintable(key), tm);
#endif
        break; }

    case QVariant::ByteArray: {
        QByteArray ba = value.toByteArray();
        BSON_APPEND_BINARY(bson, qPrintable(key), BSON_SUBTYPE_BINARY, (uint8_t *)ba.constData(), ba.length());
        break; }

    case QVariant::List:  // FALL THROUGH
    case QVariant::StringList: {
        bson_t child;
        BSON_APPEND_ARRAY_BEGIN(bson, qPrintable(key), &child);

        int i = 0;
        for (auto &var : value.toList()) {
            appendBsonValue(&child, QString::number(i++), var);
        }
        bson_append_array_end(bson, &child);
        break; }

    case QVariant::Invalid:
        BSON_APPEND_UNDEFINED(bson, qPrintable(key));
        break;

    default:
        tError("toBson() failed to convert  name:%s  type:%d", qPrintable(key), type);
        ok = false;
        break;
    }
    return ok;
}
Ejemplo n.º 13
0
/**
 * mongoc_database_add_user:
 * @database: A #mongoc_database_t.
 * @username: A string containing the username.
 * @password: (allow-none): A string containing password, or NULL.
 * @roles: (allow-none): An optional bson_t of roles.
 * @custom_data: (allow-none): An optional bson_t of data to store.
 * @error: (out) (allow-none): A location for a bson_error_t or %NULL.
 *
 * Creates a new user with access to @database.
 *
 * Returns: None.
 * Side effects: None.
 */
bool
mongoc_database_add_user (mongoc_database_t *database,
                          const char        *username,
                          const char        *password,
                          const bson_t      *roles,
                          const bson_t      *custom_data,
                          bson_error_t      *error)
{
   bson_error_t lerror;
   bson_t cmd;
   bson_t ar;
   char *input;
   char *hashed_password;
   bool ret = false;

   ENTRY;

   BSON_ASSERT (database);
   BSON_ASSERT (username);

   /*
    * CDRIVER-232:
    *
    * Perform a (slow and tedious) round trip to mongod to determine if
    * we can safely call createUser. Otherwise, we will fallback and
    * perform legacy insertion into users collection.
    */
   bson_init (&cmd);
   BSON_APPEND_UTF8 (&cmd, "usersInfo", username);
   ret = mongoc_database_command_simple (database, &cmd, NULL, NULL, &lerror);
   bson_destroy (&cmd);

   if (!ret && (lerror.code == MONGOC_ERROR_QUERY_COMMAND_NOT_FOUND)) {
      ret = mongoc_database_add_user_legacy (database, username, password, error);
   } else if (ret || (lerror.code == 13)) {
      /* usersInfo succeeded or failed with auth err, we're on modern mongod */
      input = bson_strdup_printf ("%s:mongo:%s", username, password);
      hashed_password = _mongoc_hex_md5 (input);
      bson_free (input);

      bson_init (&cmd);
      BSON_APPEND_UTF8 (&cmd, "createUser", username);
      BSON_APPEND_UTF8 (&cmd, "pwd", hashed_password);
      BSON_APPEND_BOOL (&cmd, "digestPassword", false);
      if (custom_data) {
         BSON_APPEND_DOCUMENT (&cmd, "customData", custom_data);
      }
      if (roles) {
         BSON_APPEND_ARRAY (&cmd, "roles", roles);
      } else {
         bson_append_array_begin (&cmd, "roles", 5, &ar);
         bson_append_array_end (&cmd, &ar);
      }

      ret = mongoc_database_command_simple (database, &cmd, NULL, NULL, error);

      bson_free (hashed_password);
      bson_destroy (&cmd);
   } else if (error) {
      memcpy (error, &lerror, sizeof *error);
   }

   RETURN (ret);
}
Ejemplo n.º 14
0
static void
_mongoc_write_opquery (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)
{
   mongoc_cmd_parts_t parts;
   bson_iter_t iter;
   const char *key;
   uint32_t len = 0;
   bson_t ar;
   bson_t cmd;
   bson_t reply;
   char str[16];
   bool has_more;
   bool ret = false;
   uint32_t i;
   int32_t max_bson_obj_size;
   int32_t max_write_batch_size;
   uint32_t overhead;
   uint32_t key_len;
   int data_offset = 0;
   bson_reader_t *reader;
   const bson_t *bson;
   bool eof;

   ENTRY;

   BSON_ASSERT (command);
   BSON_ASSERT (client);
   BSON_ASSERT (database);
   BSON_ASSERT (server_stream);
   BSON_ASSERT (collection);

   bson_init (&cmd);
   max_bson_obj_size = mongoc_server_stream_max_bson_obj_size (server_stream);
   max_write_batch_size =
      mongoc_server_stream_max_write_batch_size (server_stream);

again:
   has_more = false;
   i = 0;

   _mongoc_write_command_init (&cmd, command, collection);

   /* 1 byte to specify array type, 1 byte for field name's null terminator */
   overhead = cmd.len + 2 + gCommandFieldLens[command->type];


   reader = bson_reader_new_from_data (command->payload.data + data_offset,
                                       command->payload.len - data_offset);

   bson_append_array_begin (&cmd,
                            gCommandFields[command->type],
                            gCommandFieldLens[command->type],
                            &ar);

   while ((bson = bson_reader_read (reader, &eof))) {
      key_len = (uint32_t) bson_uint32_to_string (i, &key, str, sizeof str);
      len = bson->len;
      /* 1 byte to specify document type, 1 byte for key's null terminator */
      if (_mongoc_write_command_will_overflow (overhead,
                                               key_len + len + 2 + ar.len,
                                               i,
                                               max_bson_obj_size,
                                               max_write_batch_size)) {
         has_more = true;
         break;
      }
      BSON_APPEND_DOCUMENT (&ar, key, bson);
      data_offset += len;
      i++;
   }

   bson_append_array_end (&cmd, &ar);

   if (!i) {
      _mongoc_write_command_too_large_error (error, i, len, max_bson_obj_size);
      result->failed = true;
      result->must_stop = true;
      ret = false;
      if (bson) {
         data_offset += len;
      }
   } else {
      mongoc_cmd_parts_init (&parts, client, database, MONGOC_QUERY_NONE, &cmd);
      parts.is_write_command = true;
      parts.assembled.operation_id = command->operation_id;
      if (!mongoc_cmd_parts_set_write_concern (
             &parts,
             write_concern,
             server_stream->sd->max_wire_version,
             error)) {
         bson_reader_destroy (reader);
         bson_destroy (&cmd);
         mongoc_cmd_parts_cleanup (&parts);
         EXIT;
      }

      BSON_ASSERT (bson_iter_init (&iter, &command->cmd_opts));
      if (!mongoc_cmd_parts_append_opts (
             &parts, &iter, server_stream->sd->max_wire_version, error)) {
         bson_reader_destroy (reader);
         bson_destroy (&cmd);
         mongoc_cmd_parts_cleanup (&parts);
         EXIT;
      }

      ret = mongoc_cmd_parts_assemble (&parts, server_stream, error);
      if (ret) {
         ret = mongoc_cluster_run_command_monitored (
            &client->cluster, &parts.assembled, &reply, error);
      } else {
         /* assembling failed */
         result->must_stop = true;
         bson_init (&reply);
      }

      if (!ret) {
         result->failed = true;
         if (bson_empty (&reply)) {
            /* assembling failed, or a network error running the command */
            result->must_stop = true;
         }
      }

      _mongoc_write_result_merge (result, command, &reply, offset);
      offset += i;
      bson_destroy (&reply);
      mongoc_cmd_parts_cleanup (&parts);
   }
   bson_reader_destroy (reader);

   if (has_more && (ret || !command->flags.ordered) && !result->must_stop) {
      bson_reinit (&cmd);
      GOTO (again);
   }

   bson_destroy (&cmd);
   EXIT;
}
static void
_mongoc_write_command(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)
{
   const uint8_t *data;
   bson_iter_t iter;
   const char *key;
   uint32_t len = 0;
   bson_t tmp;
   bson_t ar;
   bson_t cmd;
   bson_t reply;
   char str [16];
   bool has_more;
   bool ret = false;
   uint32_t i;
   int32_t max_bson_obj_size;
   int32_t max_write_batch_size;
   int32_t min_wire_version;
   uint32_t key_len;

   ENTRY;

   BSON_ASSERT (command);
   BSON_ASSERT (client);
   BSON_ASSERT (database);
   BSON_ASSERT (server_stream);
   BSON_ASSERT (collection);

   max_bson_obj_size = mongoc_server_stream_max_bson_obj_size (server_stream);
   max_write_batch_size = mongoc_server_stream_max_write_batch_size (server_stream);

   /*
    * If we have an unacknowledged write and the server supports the legacy
    * opcodes, then submit the legacy opcode so we don't need to wait for
    * a response from the server.
    */

   min_wire_version = server_stream->sd->min_wire_version;
   if ((min_wire_version == 0) &&
       !_mongoc_write_concern_needs_gle (write_concern)) {
      if (command->flags.bypass_document_validation != MONGOC_BYPASS_DOCUMENT_VALIDATION_DEFAULT) {
         bson_set_error (error,
                         MONGOC_ERROR_COMMAND,
                         MONGOC_ERROR_COMMAND_INVALID_ARG,
                         "Cannot set bypassDocumentValidation for unacknowledged writes");
         EXIT;
      }
      gLegacyWriteOps[command->type] (command, client, server_stream, database,
                                      collection, write_concern, offset,
                                      result, error);
      EXIT;
   }

   if (!command->n_documents ||
       !bson_iter_init (&iter, command->documents) ||
       !bson_iter_next (&iter)) {
      _empty_error (command, error);
      result->failed = true;
      EXIT;
   }

again:
   bson_init (&cmd);
   has_more = false;
   i = 0;

   BSON_APPEND_UTF8 (&cmd, gCommandNames[command->type], collection);
   BSON_APPEND_DOCUMENT (&cmd, "writeConcern",
                         WRITE_CONCERN_DOC (write_concern));
   BSON_APPEND_BOOL (&cmd, "ordered", command->flags.ordered);
   if (command->flags.bypass_document_validation != MONGOC_BYPASS_DOCUMENT_VALIDATION_DEFAULT) {
      BSON_APPEND_BOOL (&cmd, "bypassDocumentValidation",
                        !!command->flags.bypass_document_validation);
   }

   if (!_mongoc_write_command_will_overflow (0,
                                             command->documents->len,
                                             command->n_documents,
                                             max_bson_obj_size,
                                             max_write_batch_size)) {
      /* copy the whole documents buffer as e.g. "updates": [...] */
      BSON_APPEND_ARRAY (&cmd,
                         gCommandFields[command->type],
                         command->documents);
      i = command->n_documents;
   } else {
      bson_append_array_begin (&cmd, gCommandFields[command->type], -1, &ar);

      do {
         if (!BSON_ITER_HOLDS_DOCUMENT (&iter)) {
            BSON_ASSERT (false);
         }

         bson_iter_document (&iter, &len, &data);
         key_len = (uint32_t) bson_uint32_to_string (i, &key, str, sizeof str);

         if (_mongoc_write_command_will_overflow (ar.len,
                                                  key_len + len + 2,
                                                  i,
                                                  max_bson_obj_size,
                                                  max_write_batch_size)) {
            has_more = true;
            break;
         }

         if (!bson_init_static (&tmp, data, len)) {
            BSON_ASSERT (false);
         }

         BSON_APPEND_DOCUMENT (&ar, key, &tmp);

         bson_destroy (&tmp);

         i++;
      } while (bson_iter_next (&iter));

      bson_append_array_end (&cmd, &ar);
   }

   if (!i) {
      too_large_error (error, i, len, max_bson_obj_size, NULL);
      result->failed = true;
      ret = false;
   } else {
      ret = mongoc_cluster_run_command (&client->cluster, server_stream->stream,
                                        MONGOC_QUERY_NONE, database, &cmd,
                                        &reply, error);

      if (!ret) {
         result->failed = true;
      }

      _mongoc_write_result_merge (result, command, &reply, offset);
      offset += i;
      bson_destroy (&reply);
   }

   bson_destroy (&cmd);

   if (has_more && (ret || !command->flags.ordered)) {
      GOTO (again);
   }

   EXIT;
}
Ejemplo n.º 16
0
/* Uses old way of querying system.namespaces. */
bson_t *
_mongoc_database_get_collection_info_legacy (mongoc_database_t *database,
                                             const bson_t      *filter,
                                             bson_error_t      *error)
{
   mongoc_collection_t *col;
   mongoc_cursor_t *cursor;
   mongoc_read_prefs_t *read_prefs;
   uint32_t dbname_len;
   const bson_t *doc;
   bson_t legacy_filter;
   bson_iter_t iter;
   const char *name;
   const char *col_filter;
   bson_t q = BSON_INITIALIZER;
   bson_t *ret = NULL;
   bson_t col_array = BSON_INITIALIZER;
   const char *key;
   char keystr[16];
   uint32_t n_cols = 0;

   BSON_ASSERT (database);

   col = mongoc_client_get_collection (database->client,
                                       database->name,
                                       "system.namespaces");

   BSON_ASSERT (col);

   dbname_len = (uint32_t)strlen (database->name);

   /* Filtering on name needs to be handled differently for old servers. */
   if (filter && bson_iter_init_find (&iter, filter, "name")) {
      /* on legacy servers, this must be a string (i.e. not a regex) */
      if (!BSON_ITER_HOLDS_UTF8 (&iter)) {
         bson_set_error (error,
                         MONGOC_ERROR_NAMESPACE,
                         MONGOC_ERROR_NAMESPACE_INVALID_FILTER_TYPE,
                         "On legacy servers, a filter on name can only be a string.");
         goto cleanup_filter;
      }
      BSON_ASSERT (BSON_ITER_HOLDS_UTF8 (&iter));
      col_filter = bson_iter_utf8 (&iter, NULL);
      bson_init (&legacy_filter);
      bson_copy_to_excluding_noinit (filter, &legacy_filter, "name", NULL);
      /* We must db-qualify filters on name. */
      bson_string_t *buf = bson_string_new (database->name);
      bson_string_append_c (buf, '.');
      bson_string_append (buf, col_filter);
      BSON_APPEND_UTF8 (&legacy_filter, "name", buf->str);
      bson_string_free (buf, true);
      filter = &legacy_filter;
   }

   read_prefs = mongoc_read_prefs_new (MONGOC_READ_PRIMARY);

   cursor = mongoc_collection_find (col, MONGOC_QUERY_NONE, 0, 0, 0,
                                    filter ? filter : &q, NULL, read_prefs);

   ret = bson_new();

   BSON_APPEND_ARRAY_BEGIN (ret, "collections", &col_array);

   while (mongoc_cursor_more (cursor) &&
          !mongoc_cursor_error (cursor, error)) {
      if (mongoc_cursor_next (cursor, &doc)) {
         /* 2 gotchas here.
          * 1. need to ignore any system collections (prefixed with $)
          * 2. need to remove the database name from the collection so that clients
          *    don't need to specialize their logic for old versions of the server.
          */
         if (bson_iter_init_find (&iter, doc, "name") &&
             BSON_ITER_HOLDS_UTF8 (&iter) &&
             (name = bson_iter_utf8 (&iter, NULL)) &&
             !strchr (name, '$') &&
             (0 == strncmp (name, database->name, dbname_len))) {
            bson_t nprefix_col = BSON_INITIALIZER;
            bson_copy_to_excluding_noinit (doc, &nprefix_col, "name", NULL);
            BSON_APPEND_UTF8 (&nprefix_col, "name", name + (dbname_len + 1));  /* +1 for the '.' */
            /* need to construct a key for this array element. */
            bson_uint32_to_string(n_cols, &key, keystr, sizeof (keystr));
            BSON_APPEND_DOCUMENT (&col_array, key, &nprefix_col);
            ++n_cols;
         }
      }
   }

   bson_append_array_end (ret, &col_array);

   mongoc_cursor_destroy (cursor);
   mongoc_read_prefs_destroy (read_prefs);
 cleanup_filter:
   mongoc_collection_destroy (col);
   return ret;
}
Ejemplo n.º 17
0
static void route_result(cJSON* result)
{
    cJSON* cjson_current;
    size_t i;
    for (cjson_current = result->child; cjson_current; cjson_current = cjson_current->next)
    {
        if (strcmp(cJSON_GetObjectItem(cjson_current, "poll_type")->valuestring, "message") == 0)
        {
            cJSON* cjson_value = cJSON_GetObjectItem(cjson_current, "value");
            ullong from_uin = cJSON_GetObjectItem(cjson_value, "from_uin")->valuedouble;
            ullong number = get_friend_number(from_uin);
            msg_content_array_t content = fetch_content(cJSON_GetObjectItem(cjson_value, "content"));
            dump_message(number, str_from("friend_message"), &content);
#ifdef _DEBUG
            {
                char* str = msg_content_array_to_json_object_string(&content, "content");
                fprintf(stdout, "Received message from: %llu\nContent: %s\n", number, str);
                fflush(stdout);
                free(str);
            }
#endif

            for (i = 0; i < robot.received_message_funcs_count; ++i) robot.received_message_funcs[i](from_uin, number, &content);
            msg_content_array_free(&content);
        }
        else if (strcmp(cJSON_GetObjectItem(cjson_current, "poll_type")->valuestring, "group_message") == 0)
        {
            cJSON* cjson_value = cJSON_GetObjectItem(cjson_current, "value");
            ullong from_uin = cJSON_GetObjectItem(cjson_value, "from_uin")->valuedouble;
            ullong number = get_group_number(cJSON_GetObjectItem(cjson_value, "group_code")->valuedouble);
            msg_content_array_t content = fetch_content(cJSON_GetObjectItem(cjson_value, "content"));
            dump_message(number, str_from("group_message"), &content);
#ifdef _DEBUG
            {
                char* str = msg_content_array_to_json_object_string(&content, "content");
                fprintf(stdout, "Received group_message from: %llu\nContent: %s\n", number, str);
                fflush(stdout);
                free(str);
            }
#endif

            for (i = 0; i < robot.received_group_message_funcs_count; ++i) robot.received_group_message_funcs[i](from_uin, number, &content);
            msg_content_array_free(&content);
        }
        else
        {
            bson_t document;
            bson_t content;
            bson_error_t error;
            time_t t;
            char* ptr = cJSON_PrintUnformatted(cjson_current);
            mongoc_collection_t* collection = mongoc_database_get_collection(robot.mongoc_database, "unprocessed");

            time(&t);
            if (!bson_init_from_json(&content, ptr, strlen(ptr), &error))
            {
                MONGOC_WARNING("%s\n", error.message);
                return;
            }
            bson_init(&document);
            BSON_APPEND_TIME_T(&document, "time", t);
            BSON_APPEND_DOCUMENT(&document, "content", &content);
            if (!mongoc_collection_insert(collection, MONGOC_INSERT_NONE, &document, NULL, &error)) MONGOC_WARNING("%s\n", error.message);
            bson_destroy(&document);
            bson_destroy(&content);
        }
    }
}