mqttsn.h

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/*
 * Copyright (C) 2018 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define MQTTSN_CLI_ID_MINLEN    (1U)
#define MQTTSN_CLI_ID_MAXLEN    (23U)
enum {
    MQTTSN_DUP        = 0x80,       
    MQTTSN_QOS_MASK   = 0x60,       
    MQTTSN_QOS_2      = 0x40,       
    MQTTSN_QOS_1      = 0x20,       
    MQTTSN_QOS_NEG1   = 0x60,       
    MQTTSN_QOS_0      = 0x00,       
    MQTTSN_RETAIN     = 0x10,       
    MQTTSN_WILL       = 0x08,       
    MQTTSN_CS         = 0x04,       
    MQTTSN_TIT_MASK   = 0x03,       
    MQTTSN_TIT_SHORT  = 0x02,       
    MQTTSN_TIT_PREDEF = 0x01,       
    MQTTSN_TIT_NORMAL = 0x00,       
};
 
enum {
    MQTTSN_ADVERTISE        = 0x00,     
    MQTTSN_SEARCHGW         = 0x01,     
    MQTTSN_GWINFO           = 0x02,     
    MQTTSN_CONNECT          = 0x04,     
    MQTTSN_CONNACK          = 0x05,     
    MQTTSN_WILLTOPICREQ     = 0x06,     
    MQTTSN_WILLTOPIC        = 0x07,     
    MQTTSN_WILLMSGREQ       = 0x08,     
    MQTTSN_WILLMSG          = 0x09,     
    MQTTSN_REGISTER         = 0x0a,     
    MQTTSN_REGACK           = 0x0b,     
    MQTTSN_PUBLISH          = 0x0c,     
    MQTTSN_PUBACK           = 0x0d,     
    MQTTSN_PUBCOMP          = 0x0e,     
    MQTTSN_PUBREC           = 0x0f,     
    MQTTSN_PUBREL           = 0x10,     
    MQTTSN_SUBSCRIBE        = 0x12,     
    MQTTSN_SUBACK           = 0x13,     
    MQTTSN_UNSUBSCRIBE      = 0x14,     
    MQTTSN_UNSUBACK         = 0x15,     
    MQTTSN_PINGREQ          = 0x16,     
    MQTTSN_PINGRESP         = 0x17,     
    MQTTSN_DISCONNECT       = 0x18,     
    MQTTSN_WILLTOPICUPD     = 0x1a,     
    MQTTSN_WILLTOPICRESP    = 0x1b,     
    MQTTSN_WILLMSGUPD       = 0x1c,     
    MQTTSN_WILLMSGRESP      = 0x1d,     
};
 
enum {
    MQTTSN_ACCEPTED         = 0x00,     
    MQTTSN_REJ_CONGESTION   = 0x01,     
    MQTTSN_REJ_INV_TOPIC_ID = 0x02,     
    MQTTSN_REJ_NOTSUP       = 0x03,     
};
 
#ifdef __cplusplus
}
#endif