dogproto

type Config struct {
	// A port <= 0 should instruct Java to skip this and use an internal default
	StatsDPort int `json:"statsd_port"`
}

type ConfigResponse struct {
	Version string `json:"version"`
	Config  Config `json:"config"`

	// Must not be nil.
	// These are just paths, not hosts:
	// - https://github.com/DataDog/dd-trace-java/blob/0f986a71765d0bad85ed4e5c3bc6ef44b8cb78fe/communication/src/main/java/datadog/communication/ddagent/DDAgentFeaturesDiscovery.java#L39
	// - https://github.com/DataDog/dd-trace-java/blob/0f986a71765d0bad85ed4e5c3bc6ef44b8cb78fe/communication/src/main/java/datadog/communication/ddagent/DDAgentFeaturesDiscovery.java#L59C46-L59C65
	// In the java version, whether or not metrics or tracing are enabled is contingent on
	// whether those paths are found in here.
	Endpoints []string `json:"endpoints"`

	ClientDropP0s bool `json:"client_drop_p0s,omitempty"`
}

type Metric struct {
	LogType   string     `json:"_type"` // Useless field to cover over lousy polymorphism support in Go; should always be "metric"
	At        time.Time  `json:"at"`
	From      string     `json:"from"` // Client that sent the metric. Not part of the protocol, but useful for dumping.
	Name      string     `json:"name"`
	Type      ValueType  `json:"type"`
	Int       int64      `json:"int"`
	Ints      []int64    `json:"ints,omitempty"`
	Float     float64    `json:"float"`
	Floats    []float64  `json:"floats,omitempty"`
	Metric    MetricType `json:"metric"`
	Rate      float64    `json:"rate"`    // [0.0, 1.0]
	HasRate   bool       `json:"hasRate"` // false if no rate parsed from msg
	Tags      Tags       `json:"tagList,omitempty"`
	Container string     `json:"container,omitempty"`

	// When this field is provided, the Datadog Agent doesn’t do any processing with the
	// metrics (no aggregation) except from enriching the metrics with tags. This can be
	// useful if you already aggregate your metrics in your application, and you want to
	// send them to Datadog without extra processing.
	//
	// The Unix timestamp should be a valid positive number in the past. Only GAUGE and
	// COUNT metrics are supported.
	UnixTimeSecs int64 `json:"unixTimeSecs,omitempty"`

	Unsupported []string `json:"unsupported,omitempty"`
}

type MetricType string

type Span struct {
	Name          string             `msg:"name" json:"name"`
	Service       string             `msg:"service" json:"service"`
	Resource      string             `msg:"resource" json:"resource"`
	Type          *string            `msg:"type" json:"type"`
	StartUnixNano int64              `msg:"start" json:"start"` // NOTE: This is a float of 'seconds' in /api/v1/trace, but a unixnano here
	Duration      time.Duration      `msg:"duration" json:"duration"`
	Meta          map[string]string  `msg:"meta,omitempty" json:"meta,omitempty"`
	Metrics       map[string]float64 `msg:"metrics,omitempty" json:"metrics,omitempty"`
	SpanID        uint64             `msg:"span_id" json:"spanId"`
	TraceID       uint64             `msg:"trace_id" json:"traceId"`
	ParentID      uint64             `msg:"parent_id" json:"parentId"`
	Error         int32              `msg:"error" json:"error"`
}

type SpanList []Span

type SpanLists []SpanList

type Tag struct {
	Key string `json:"key"`
	Val string `json:"val"`
}

type Tags []Tag

type ValueType string