Basic C library for MQTT packet serialization and deserialization
Dependents: MQTT MQTT MQTT MQTT ... more
Fork of MQTTPacket by
This library is part of the EclipseTM Paho project; specifically the embedded client.
A basic MQTT library in C for packet serialization and deserialization
Diff: MQTTConnect.h
- Revision:
- 16:d0b3886ada32
- Parent:
- 14:c2052aee81de
- Child:
- 20:63c71eeb4183
--- a/MQTTConnect.h Fri Aug 01 16:27:19 2014 +0000 +++ b/MQTTConnect.h Fri Aug 01 16:58:18 2014 +0000 @@ -94,14 +94,32 @@ MQTTString password; } MQTTPacket_connectData; +typedef union +{ + unsigned char all; /**< all connack flags */ +#if defined(REVERSED) + struct + { + unsigned int sessionpresent : 1; /**< session present flag */ + unsigned int : y; /**< unused */ + } bits; +#else + struct + { + unsigned int : 7; /**< unused */ + unsigned int sessionpresent : 1; /**< session present flag */ + } bits; +#endif +} MQTTConnackFlags; /**< connack flags byte */ + #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}} } int MQTTSerialize_connect(unsigned char* buf, int buflen, MQTTPacket_connectData* options); int MQTTDeserialize_connect(MQTTPacket_connectData* data, unsigned char* buf, int len); -int MQTTSerialize_connack(unsigned char* buf, int buflen, unsigned char connack_rc); -int MQTTDeserialize_connack(unsigned char* connack_rc, unsigned char* buf, int buflen); +int MQTTSerialize_connack(unsigned char* buf, int buflen, unsigned char connack_rc, unsigned char sessionPresent); +int MQTTDeserialize_connack(unsigned char* sessionPresent, unsigned char* connack_rc, unsigned char* buf, int buflen); int MQTTSerialize_disconnect(unsigned char* buf, int buflen); int MQTTSerialize_pingreq(unsigned char* buf, int buflen);