/* Still to be checked: search for ??? */
 
 syntax = "proto3";

// Definition for RTPM & PM

message PerformanceMeasurementFields {

    message PMObject
    {
        message PMMeasurement
        {
            uint32 measurement_id = 1;
            repeated uint32 counter_subid = 2;
            repeated sint64 counter_value = 3;
        }

        bytes uri = 1;                            // monitored object URI
        // ??? note: need to explain the URI naming schema used for standard object (coming from 3GPP), but this shall be a text description, no need to include directly in ProtoBuf

        repeated PMMeasurement measurements = 2;  // performance counters grouped by measurement types
    }

    enum PMFlags   // documentation of pmflags bitmask, do not use as field type
    {
        reserved 3,5,6,7,9 to 15,17 to 31;        // few first values that cannot be used
        NO_FLAG = 0x0;                            // default value: no flag set
        INCOMPLETE = 0x01;                        // report is incomplete (measurement(s) missing due to internal error)
        OUTOFSYNC = 0x02;                         // report is out of sync (source time not aligned)
        // NEXT_FREE_FLAG_VALUE = 0x04;
    }

    float version = 1;                   // version of PerformanceMeasurementFields schema
    uint32 pmflags = 2;                  // flags as bitmask (@see PMFlags for the description of particular bits)
    string pmSchema = 3;                 // vendor name + schema version Eg NOKIA_LN7.0, uniquely identify the relevant PM dictionary
    repeated PMObject pmObjects = 4;     // objects being monitored
}