%% Reason Codes from Table 2‑6
%% http://docs.oasis-open.org/mqtt/mqtt/v5.0/cs01/mqtt-v5.0-cs01.html#_Toc502667254

-define(MQTT_RC_SUCCESS,                    0). % CONNACK, PUBACK, PUBREC, PUBREL, PUBCOMP, UNSUBACK, AUTH
-define(MQTT_RC_DISCONNECT,                 0). % DISCONNECT
-define(MQTT_RC_GRANTED_QOS_0,              0). % SUBACK
-define(MQTT_RC_GRANTED_QOS_1,              1). % SUBACK
-define(MQTT_RC_GRANTED_QOS_2,              2). % SUBACK
-define(MQTT_RC_DISCONNECT_WILL,            4). % DISCONNECT
-define(MQTT_RC_NO_MATCHING_SUBSCRIBERS,   16). % PUBACK, PUBREC
-define(MQTT_RC_NO_SUBSCRIPTION_EXISTED,   17). % UNSUBACK
-define(MQTT_RC_CONTINUE_AUTH,             18). % AUTH
-define(MQTT_RC_REAUTHENTICATE,            19). % AUTH
-define(MQTT_RC_ERROR,                    128). % CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT
-define(MQTT_RC_MALFORMED_PACKET,         129). % CONNACK, DISCONNECT
-define(MQTT_RC_PROTOCOL_ERROR,           130). % CONNACK, DISCONNECT
-define(MQTT_RC_IMPLEMENTATION_ERROR,     131). % CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT
-define(MQTT_RC_PROTOCOL_VERSION,         132). % CONNACK
-define(MQTT_RC_CLIENT_ID_INVALID,        133). % CONNACK
-define(MQTT_RC_BAD_USERNAME_PASSWORD,    134). % CONNACK
-define(MQTT_RC_NOT_AUTHORIZED,           135). % CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT
-define(MQTT_RC_SERVER_UNAVAILABLE,       136). % CONNACK
-define(MQTT_RC_SERVER_BUSY,              137). % CONNACK, DISCONNECT
-define(MQTT_RC_BANNED,                   138). % CONNACK
-define(MQTT_RC_SERVER_SHUTTING_DOWN,     139). % DISCONNECT
-define(MQTT_RC_BAD_AUTHENTICATION_METHOD,140). % CONNACK, DISCONNECT
-define(MQTT_RC_KEEP_ALIVE_TIMEOUT,       141). % DISCONNECT
-define(MQTT_RC_SESSION_TAKEN_OVER,       142). % DISCONNECT
-define(MQTT_RC_TOPIC_FILTER_INVALID,     143). % SUBACK, UNSUBACK, DISCONNECT
-define(MQTT_RC_TOPIC_NAME_INVALID,       144). % CONNACK, PUBACK, PUBREC, DISCONNECT
-define(MQTT_RC_PACKET_ID_IN_USE,         145). % PUBACK, PUBREC, SUBACK, UNSUBACK
-define(MQTT_RC_PACKET_ID_NOT_FOUND,      146). % PUBREL, PUBCOMP
-define(MQTT_RC_RECEIVE_MAX_EXCEEDED,     147). % DISCONNECT
-define(MQTT_RC_TOPIC_ALIAS_INVALID,      148). % DISCONNECT
-define(MQTT_RC_PACKET_TOO_LARGE,         149). % CONNACK, DISCONNECT
-define(MQTT_RC_MESSAGE_RATE_TOO_HIGH,    150). % DISCONNECT
-define(MQTT_RC_QUOTA_EXCEEDED,           151). % CONNACK, PUBACK, PUBREC, SUBACK, DISCONNECT
-define(MQTT_RC_ADMINISTRATIVE_ACTION,    152). % DISCONNECT
-define(MQTT_RC_PAYLOAD_FORMAT_INVALID,   153). % CONNACK, PUBACK, PUBREC, DISCONNECT
-define(MQTT_RC_RETAIN_NOT_SUPPORTED,     154). % CONNACK, DISCONNECT
-define(MQTT_RC_QOS_NOT_SUPPORTED,        155). % CONNACK, DISCONNECT
-define(MQTT_RC_USE_ANOTHER_SERVER,       156). % CONNACK, DISCONNECT
-define(MQTT_RC_SERVER_MOVED,             157). % CONNACK, DISCONNECT
-define(MQTT_RC_SHARED_SUBSCRIPTIONS_NOT_SUPPORTED,     158). % SUBACK, DISCONNECT
-define(MQTT_RC_CONNECTION_RATE_EXCEEDED, 159). % CONNACK, DISCONNECT
-define(MQTT_RC_MAXIMUM_CONNECT_TIME,     160). % DISCONNECT
-define(MQTT_RC_SUBSCRIPTION_IDENTIFIERS_NOT_SUPPORTED, 161). % SUBACK, DISCONNECT
-define(MQTT_RC_WILDCARD_SUBSCRIPTIONS_NOT_SUPPORTED,   162). % SUBACK, DISCONNECT