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- #ifndef MQTTCONNECT_H_
- #define MQTTCONNECT_H_
- enum connack_return_codes
- {
- MQTT_CONNECTION_ACCEPTED = 0,
- MQTT_UNNACCEPTABLE_PROTOCOL = 1,
- MQTT_CLIENTID_REJECTED = 2,
- MQTT_SERVER_UNAVAILABLE = 3,
- MQTT_BAD_USERNAME_OR_PASSWORD = 4,
- MQTT_NOT_AUTHORIZED = 5,
- };
- #if !defined(DLLImport)
- #define DLLImport
- #endif
- #if !defined(DLLExport)
- #define DLLExport
- #endif
- typedef union
- {
- unsigned char all;
- #if defined(REVERSED)
- struct
- {
- unsigned int username : 1;
- unsigned int password : 1;
- unsigned int willRetain : 1;
- unsigned int willQoS : 2;
- unsigned int will : 1;
- unsigned int cleansession : 1;
- unsigned int : 1;
- } bits;
- #else
- struct
- {
- unsigned int : 1;
- unsigned int cleansession : 1;
- unsigned int will : 1;
- unsigned int willQoS : 2;
- unsigned int willRetain : 1;
- unsigned int password : 1;
- unsigned int username : 1;
- } bits;
- #endif
- } MQTTConnectFlags;
- typedef struct
- {
-
- char struct_id[4];
-
- int struct_version;
-
- MQTTString topicName;
-
- MQTTString message;
-
- unsigned char retained;
-
- char qos;
- } MQTTPacket_willOptions;
- #define MQTTPacket_willOptions_initializer { {'M', 'Q', 'T', 'W'}, 0, {NULL, {0, NULL}}, {NULL, {0, NULL}}, 0, 0 }
- typedef struct
- {
-
- char struct_id[4];
-
- int struct_version;
-
- unsigned char MQTTVersion;
- MQTTString clientID;
- unsigned short keepAliveInterval;
- unsigned char cleansession;
- unsigned char willFlag;
- MQTTPacket_willOptions will;
- MQTTString username;
- MQTTString password;
- } MQTTPacket_connectData;
- typedef union
- {
- unsigned char all;
- #if defined(REVERSED)
- struct
- {
- unsigned int reserved : 7;
- unsigned int sessionpresent : 1;
- } bits;
- #else
- struct
- {
- unsigned int sessionpresent : 1;
- unsigned int reserved: 7;
- } bits;
- #endif
- } MQTTConnackFlags;
- #define MQTTPacket_connectData_initializer { {'M', 'Q', 'T', 'C'}, 0, 4, {NULL, {0, NULL}}, 60, 1, 0, \
- MQTTPacket_willOptions_initializer, {NULL, {0, NULL}}, {NULL, {0, NULL}} }
- DLLExport int MQTTSerialize_connect(unsigned char* buf, int buflen, MQTTPacket_connectData* options);
- DLLExport int MQTTDeserialize_connect(MQTTPacket_connectData* data, unsigned char* buf, int len);
- DLLExport int MQTTSerialize_connack(unsigned char* buf, int buflen, unsigned char connack_rc, unsigned char sessionPresent);
- DLLExport int MQTTDeserialize_connack(unsigned char* sessionPresent, unsigned char* connack_rc, unsigned char* buf, int buflen);
- DLLExport int MQTTSerialize_disconnect(unsigned char* buf, int buflen);
- DLLExport int MQTTSerialize_pingreq(unsigned char* buf, int buflen);
- #endif
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