--- mqtt/inc/defs.h	2011/11/21 14:40:56	1.1.1.1.2.4
+++ mqtt/inc/defs.h	2011/11/22 14:19:48	1.1.1.1.2.5
@@ -2,9 +2,32 @@
 #define __DEFS_H
 
 
-#define STRSIZ		256
-#define MQTTMSG_MAX	65529
-#define WILDCARDS	"/#+"
+#define STRSIZ			256
+#define MQTTMSG_MAX		65529
+#define WILDCARDS		"/#+"
+
+#define MQTT_DATA_MAX		268435455
+#define MQTT_CONN_STR		"MQIsdp"
+#define MQTT_PROTO_VER		3
+#define MQTT_KEEPALIVE		10
+
+#define MQTT_TYPE_UNKNOWN	0	/* reserved */
+#define MQTT_TYPE_CONNECT	1	/* client request to connect to server */
+#define MQTT_TYPE_CONNACK	2	/* connect acknowledgment */
+#define MQTT_TYPE_PUBLISH	3	/* publish message */
+#define MQTT_TYPE_PUBACK	4	/* publish acknowledgment */
+#define MQTT_TYPE_PUBREC	5	/* publish received (assured delivery part 1) */
+#define MQTT_TYPE_PUBREL	6	/* publish release (assured delivery part 2) */
+#define MQTT_TYPE_PUBCOMP	7	/* publish complete (assured delivery part 3) */
+#define MQTT_TYPE_SUBSCRIBE	8	/* client subscribe request */
+#define MQTT_TYPE_SUBACK	9	/* subscribe acknowledgment */
+#define MQTT_TYPE_UNSUBSCRIBE	10	/* client unsubscribe request */
+#define MQTT_TYPE_UNSUBACK	11	/* unsubscribe acknowledgment */
+#define MQTT_TYPE_PINGREQ	12	/* PING request */
+#define MQTT_TYPE_PINGRESP	13	/* PING response */
+#define MQTT_TYPE_DISCONNECT	14	/* client is disconnecting */
+#define MQTT_TYPE_RESERVED	15	/* reserved */
+
 
 #define LOGERR	{ \
 			mqtt_Errno = errno; \