# mongoc_read_mode_t

Read Preference Modes

## Synopsis

    typedef enum {
       MONGOC_READ_PRIMARY = (1 << 0),
       MONGOC_READ_SECONDARY = (1 << 1),
       MONGOC_READ_PRIMARY_PREFERRED = (1 << 2) | MONGOC_READ_PRIMARY,
       MONGOC_READ_SECONDARY_PREFERRED = (1 << 2) | MONGOC_READ_SECONDARY,
       MONGOC_READ_NEAREST = (1 << 3) | MONGOC_READ_SECONDARY,
    } mongoc_read_mode_t;

## Description

This enum describes how reads should be dispatched. The default is MONGOC_READ_PRIMARY.

Please see the MongoDB website for a description of Read Preferences.