signal_fuse_protocol_buffers.proto

syntax="proto3";

package com.signalfuse.metrics.protobuf;

option csharp_namespace = "Datadog.Tracer.SignalFx.Metrics.Protobuf";

enum MetricType {
    /**
     * Numerical: Periodic, instantaneous measurement of some state.
     */
    GAUGE = 0;
    /**
     * Numerical: Count of occurrences. Generally non-negative integers.
     */
    COUNTER = 1;
    /**
     * String: Used for non-continuous quantities (that is, measurements where there is a fixed
     * set of meaningful values). This is essentially a special case of gauge.
     */
    ENUM = 2;
    /**
     * Tracks a value that increases over time, where only the difference is important.
     */
    CUMULATIVE_COUNTER =3;
}


message Datum {
    optional string strValue = 1;
    optional double doubleValue = 2;
    optional int64 intValue = 3;
}

message Dimension {
    optional string key = 1;
    optional string value = 2;
}

message DataPoint {
    optional string source = 1;
    optional string metric = 2;
    optional int64 timestamp = 3;
    optional Datum value = 4;
    optional MetricType metricType = 5;
    repeated Dimension dimensions = 6;
}

message DataPointUploadMessage {
    repeated DataPoint datapoints = 1;
}

message PointValue {
    optional int64 timestamp = 3;
    optional Datum value = 4;
}