diff options
Diffstat (limited to 'mqtt_websockets/src/include/mqtt_constants.h')
| -rw-r--r-- | mqtt_websockets/src/include/mqtt_constants.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/mqtt_websockets/src/include/mqtt_constants.h b/mqtt_websockets/src/include/mqtt_constants.h new file mode 100644 index 000000000..1db498976 --- /dev/null +++ b/mqtt_websockets/src/include/mqtt_constants.h @@ -0,0 +1,101 @@ +#ifndef MQTT_CONSTANTS_H +#define MQTT_CONSTANTS_H + +#define MQTT_MAX_QOS 0x02 + +#define MQTT_VERSION_5_0 0x5 + +/* [MQTT-1.5.5] most significant bit + of MQTT Variable Byte Integer signifies + there are more bytes following */ +#define MQTT_VBI_CONTINUATION_FLAG 0x80 +#define MQTT_VBI_DATA_MASK 0x7F +#define MQTT_VBI_MAXBYTES 4 + +/* MQTT control packet types as defined in + 2.1.2 MQTT Control Packet type */ +#define MQTT_CPT_CONNECT 0x1 +#define MQTT_CPT_CONNACK 0x2 +#define MQTT_CPT_PUBLISH 0x3 +#define MQTT_CPT_PUBACK 0x4 +#define MQTT_CPT_PUBREC 0x5 +#define MQTT_CPT_PUBREL 0x6 +#define MQTT_CPT_PUBCOMP 0x7 +#define MQTT_CPT_SUBSCRIBE 0x8 +#define MQTT_CPT_SUBACK 0x9 +#define MQTT_CPT_UNSUBSCRIBE 0xA +#define MQTT_CPT_UNSUBACK 0xB +#define MQTT_CPT_PINGREQ 0xC +#define MQTT_CPT_PINGRESP 0xD +#define MQTT_CPT_DISCONNECT 0xE +#define MQTT_CPT_AUTH 0xF + +// MQTT CONNECT FLAGS (spec:3.1.2.3) +#define MQTT_CONNECT_FLAG_USERNAME 0x80 +#define MQTT_CONNECT_FLAG_PASSWORD 0x40 +#define MQTT_CONNECT_FLAG_LWT_RETAIN 0x20 +#define MQTT_CONNECT_FLAG_LWT 0x04 +#define MQTT_CONNECT_FLAG_CLEAN_START 0x02 + +#define MQTT_CONNECT_FLAG_QOS_MASK 0x18 +#define MQTT_CONNECT_FLAG_QOS_BITSHIFT 3 + +#define MQTT_MAX_CLIENT_ID 23 /* [MQTT-3.1.3-5] */ + +// MQTT Property identifiers [MQTT-2.2.2.2] +#define MQTT_PROP_PAYLOAD_FMT_INDICATOR 0x01 +#define MQTT_PROP_PAYLOAD_FMT_INDICATOR_NAME "Payload Format Indicator" +#define MQTT_PROP_MSG_EXPIRY_INTERVAL 0x02 +#define MQTT_PROP_MSG_EXPIRY_INTERVAL_NAME "Message Expiry Interval" +#define MQTT_PROP_CONTENT_TYPE 0x03 +#define MQTT_PROP_CONTENT_TYPE_NAME "Content Type" +#define MQTT_PROP_RESPONSE_TOPIC 0x08 +#define MQTT_PROP_RESPONSE_TOPIC_NAME "Response Topic" +#define MQTT_PROP_CORRELATION_DATA 0x09 +#define MQTT_PROP_CORRELATION_DATA_NAME "Correlation Data" +#define MQTT_PROP_SUB_IDENTIFIER 0x0B +#define MQTT_PROP_SUB_IDENTIFIER_NAME "Subscription Identifier" +#define MQTT_PROP_SESSION_EXPIRY_INTERVAL 0x11 +#define MQTT_PROP_SESSION_EXPIRY_INTERVAL_NAME "Session Expiry Interval" +#define MQTT_PROP_ASSIGNED_CLIENT_ID 0x12 +#define MQTT_PROP_ASSIGNED_CLIENT_ID_NAME "Assigned Client Identifier" +#define MQTT_PROP_SERVER_KEEP_ALIVE 0x13 +#define MQTT_PROP_SERVER_KEEP_ALIVE_NAME "Server Keep Alive" +#define MQTT_PROP_AUTH_METHOD 0x15 +#define MQTT_PROP_AUTH_METHOD_NAME "Authentication Method" +#define MQTT_PROP_AUTH_DATA 0x16 +#define MQTT_PROP_AUTH_DATA_NAME "Authentication Data" +#define MQTT_PROP_REQ_PROBLEM_INFO 0x17 +#define MQTT_PROP_REQ_PROBLEM_INFO_NAME "Request Problem Information" +#define MQTT_PROP_WILL_DELAY_INTERVAL 0x18 +#define MQTT_PROP_WIIL_DELAY_INTERVAL_NAME "Will Delay Interval" +#define MQTT_PROP_REQ_RESP_INFORMATION 0x19 +#define MQTT_PROP_REQ_RESP_INFORMATION_NAME "Request Response Information" +#define MQTT_PROP_RESP_INFORMATION 0x1A +#define MQTT_PROP_RESP_INFORMATION_NAME "Response Information" +#define MQTT_PROP_SERVER_REF 0x1C +#define MQTT_PROP_SERVER_REF_NAME "Server Reference" +#define MQTT_PROP_REASON_STR 0x1F +#define MQTT_PROP_REASON_STR_NAME "Reason String" +#define MQTT_PROP_RECEIVE_MAX 0x21 +#define MQTT_PROP_RECEIVE_MAX_NAME "Receive Maximum" +#define MQTT_PROP_TOPIC_ALIAS_MAX 0x22 +#define MQTT_PROP_TOPIC_ALIAS_MAX_NAME "Topic Alias Maximum" +#define MQTT_PROP_TOPIC_ALIAS 0x23 +#define MQTT_PROP_TOPIC_ALIAS_NAME "Topic Alias" +#define MQTT_PROP_MAX_QOS 0x24 +#define MQTT_PROP_MAX_QOS_NAME "Maximum QoS" +#define MQTT_PROP_RETAIN_AVAIL 0x25 +#define MQTT_PROP_RETAIN_AVAIL_NAME "Retain Available" +#define MQTT_PROP_USR 0x26 +#define MQTT_PROP_USR_NAME "User Property" +#define MQTT_PROP_MAX_PKT_SIZE 0x27 +#define MQTT_PROP_MAX_PKT_SIZE_NAME "Maximum Packet Size" +#define MQTT_PROP_WILDCARD_SUB_AVAIL 0x28 +#define MQTT_PROP_WILDCARD_SUB_AVAIL_NAME "Wildcard Subscription Available" +#define MQTT_PROP_SUB_ID_AVAIL 0x29 +#define MQTT_PROP_SUB_ID_AVAIL_NAME "Subscription Identifier Available" +#define MQTT_PROP_SHARED_SUB_AVAIL 0x2A +#define MQTT_PROP_SHARED_SUB_AVAIL_NAME "Shared Subscription Available" + +#endif /* MQTT_CONSTANTS_H */ |