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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2015 The Swoole Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef SW_MQTT_H_
#define SW_MQTT_H_
#include "swoole.h"
SW_EXTERN_C_BEGIN
#define SW_MQTT_MIN_LENGTH 2
#define SW_MQTT_MAX_PAYLOAD_SIZE 268435455
enum swMqtt_opcode
{
SW_MQTT_CONNECT = 0x10,
SW_MQTT_CONNACK = 0x20,
SW_MQTT_PUBLISH = 0x30,
SW_MQTT_PUBACK = 0x40,
SW_MQTT_PUBREC = 0x50,
SW_MQTT_PUBREL = 0x60,
SW_MQTT_PUBCOMP = 0x70,
SW_MQTT_SUBSCRIBE = 0x80,
SW_MQTT_SUBACK = 0x90,
SW_MQTT_UNSUBSCRIBE = 0xA0,
SW_MQTT_UNSUBACK = 0xB0,
SW_MQTT_PINGREQ = 0xC0,
SW_MQTT_PINGRESP = 0xD0,
SW_MQTT_DISCONNECT = 0xE0,
};
typedef struct
{
uint8_t type :4;
uint8_t dup :1;
uint8_t qos :2;
uint8_t retain :1;
uint32_t length;
char protocol_name[8];
} swMqtt_packet;
#define SETRETAIN(HDR, R) (HDR | (R))
#define SETQOS(HDR, Q) (HDR | ((Q) << 1))
#define SETDUP(HDR, D) (HDR | ((D) << 3))
ssize_t swMqtt_get_package_length(swProtocol *protocol, swSocket *conn, char *data, uint32_t size);
SW_EXTERN_C_END
#endif /* SW_MQTT_H_ */
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