async _affinitySend()

in lib/internal/Router.js [294:321]

• 22 lines of code
• 5 McCabe index (conditional complexity)

    async _affinitySend(opCode, payloadWriter, payloadReader, affinityHint) {
        let connection = await this._chooseConnection(affinityHint);

        while (true) {
            Logger.logDebug('Endpoint chosen: ' + connection.endpoint);

            try {
                await connection.sendRequest(opCode, payloadWriter, payloadReader);
                return;
            }
            catch (err) {
                if (!(err instanceof Errors.LostConnectionError)) {
                    throw err;
                }

                Logger.logDebug(connection.endpoint + ' is unavailable');

                this._removeConnection(connection);

                if (this._getAllConnections().length == 0) {
                    throw new Errors.LostConnectionError('Cluster is unavailable');
                }
            }

            connection = this._getRandomConnection();
            Logger.logDebug('Node has been chosen randomly');
        }
    }