syntax = "proto3";
package wire;
option go_package = ".;wire";

import "google/protobuf/timestamp.proto";

message SpanContext {
  uint64 TraceID = 1;
  uint64 SpanID = 2;
}

message Span {
  SpanContext context = 1; // [(gogoproto.nullable) = false];
  uint64 ParentSpanID = 2;
  string name = 3;
  google.protobuf.Timestamp Start = 4; // [(gogoproto.customname) = "Start", (gogoproto.stdtime) = true, (gogoproto.nullable) = false];
  repeated string labels = 5;
  repeated Field fields = 6; // [(gogoproto.nullable) = false];
}

message Trace {
  repeated Span spans = 1;
}

message Field {

  string key = 1;
  FieldType FieldType = 2;

  oneof value {
    sfixed64 NumericVal = 3;
    string StringVal = 4;
  }
}

enum FieldType {
  FieldTypeString = 0;
  FieldTypeBool = 1;
  FieldTypeInt64 = 2;
  FieldTypeUint64 = 3;
  FieldTypeDuration = 4;
  FieldTypeFloat64 = 6;
}