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vendor/swoole/include/mqtt.h

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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"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SW_MQTT_MIN_LENGTH                   2
+#define SW_MQTT_MAX_PAYLOAD_SIZE             268435455
+
+enum swMqtt_type
+{
+    CONNECT = 0x10,
+    CONNACK = 0x20,
+    PUBLISH = 0x30,
+    PUBACK = 0x40,
+    PUBREC = 0x50,
+    PUBREL = 0x60,
+    PUBCOMP = 0x70,
+    SUBSCRIBE = 0x80,
+    SUBACK = 0x90,
+    UNSUBSCRIBE = 0xA0,
+    UNSUBACK = 0xB0,
+    PINGREQ = 0xC0,
+    PINGRESP = 0xD0,
+    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_package;
+
+
+#define SETRETAIN(HDR, R)   (HDR | (R))
+#define SETQOS(HDR, Q)      (HDR | ((Q) << 1))
+#define SETDUP(HDR, D)      (HDR | ((D) << 3))
+
+int swMqtt_get_package_length(swProtocol *protocol, swConnection *conn, char *data, uint32_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SW_MQTT_H_ */