54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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Copyright (c) 2009-2014 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#ifndef _MQTT3_PROTOCOL_H_
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#define _MQTT3_PROTOCOL_H_
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/* For version 3 of the MQTT protocol */
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#define PROTOCOL_NAME_v31 "MQIsdp"
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#define PROTOCOL_VERSION_v31 3
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#define PROTOCOL_NAME_v311 "MQTT"
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#define PROTOCOL_VERSION_v311 4
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/* Message types */
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#define CONNECT 0x10
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#define CONNACK 0x20
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#define PUBLISH 0x30
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#define PUBACK 0x40
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#define PUBREC 0x50
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#define PUBREL 0x60
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#define PUBCOMP 0x70
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#define SUBSCRIBE 0x80
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#define SUBACK 0x90
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#define UNSUBSCRIBE 0xA0
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#define UNSUBACK 0xB0
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#define PINGREQ 0xC0
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#define PINGRESP 0xD0
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#define DISCONNECT 0xE0
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#define CONNACK_ACCEPTED 0
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#define CONNACK_REFUSED_PROTOCOL_VERSION 1
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#define CONNACK_REFUSED_IDENTIFIER_REJECTED 2
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#define CONNACK_REFUSED_SERVER_UNAVAILABLE 3
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#define CONNACK_REFUSED_BAD_USERNAME_PASSWORD 4
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#define CONNACK_REFUSED_NOT_AUTHORIZED 5
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#define MQTT_MAX_PAYLOAD 268435455
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#endif
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