messages.json

/****************************************************************
*                                                               *
*                           messages.json                       *
*                                                               *
****************************************************************/




/** Registratration
 *
 * Sensor -> Appliance
 */
{
    "MSG_TYPE" : "REGISTRATRION",
    "DATA" : {
                "ID" : "S0",
                "TYPE" : "SENSOR"
                "ATTR" : {
                    "A" : "INTEGER",
                    "B" : "FLOAT",
                    "C" : "STRING"
                },
                "ADDR" : {
                    "HOST" : 0.0.0.1, // filled by appliance
                    "PORT" : 4711
                }
             }
}



/** Dissociation
 *
 * Sensor -> Appliance
 */
 {
     "MSG_TYPE" : "DISSOCIATION",
     "DATA" : {
                "ID" : "S0"
              }
 }

/** QUERY
 *
 * Appliance -> Sensor
 */
{
    "MSG_TYPE" : "QUERY",
    "DATA" : {
                "QUERY_ID" : "A012-2016-09-34-09-06-01-123",    // Appliance-ID + Timestamp
                "QUERY" : "<insert-valid-tinydb-statement-here",
             }
}

/** Query-Response
 *
 * Sensor -> Appliance
 */
{
    "MSG_TYPE" : "QUERY_RESPONSE",
    "DATA" : {
                "QUERY_ID" : "A012-2016-09-34-09-06-01-123",    // Appliance-ID + Timestamp
                "HEADER" : ["INTEGER", "FLOAT"],                // tuple types (header)
                "RESULT_SET" : [
                                    [213132,2.22],
                                    [655820,2.13],
                                    [646465,2.01],
                                    [646455,2.02],
                                    [845220,2.30],
                                    [796845,1.23]
                               ]
             }
}

/** HMC-Query
 *
 * HMC -> Appliance
 */
{
    "MSG_TYPE" : "HMC-QUERY",
    "DATA" : {
                "QUERY" : "<insert-valid-query-here>"
             }
}

/** HMC-Query-Response
 *
 * Appliance -> HMC
 */
{
    "MSG_TYPE" : "HMC_QUERY_RESPONSE",
    "DATA" : {
                "TOKEN" : "Sx546Yl464", // identifies the query on appliance level
                "DURATION" : 6000       // estimated duration in ms
             }
}

/** HMC-Data-Collection
 *
 * HMC -> Appliance
 */
{
    "MSG_TYPE" : "HMC_DATA_COLLECTION",
    "DATA" : {
                "TOKEN" : "Sx546Yl464", // identifies the query on appliance level
             }
}

/** HMC-Data-Collection-Response
 *
 * Aplliance -> HMC
 */
{
    "MSG_TYPE" : "HMC_DATA_COLL_RESP",
    "DATA" : {
                "TOKEN" : "Sx546Yl464",
                "HEADER" : ["INTEGER" , "FLOAT"],
                "RESULT_SET" : [
                                    [213132,2.22],
                                    [655820,2.13],
                                    [646465,2.01],
                                    [646455,2.02],
                                    [845220,2.30],
                                    [796845,1.23]
                               ]
             }
}