syntax = "proto3";

package spark;

import "spark/spark.proto";

option java_package = "me.lucko.spark.proto";
option java_outer_classname = "SparkSamplerProtos";

message SamplerData {
  SamplerMetadata metadata = 1;
  repeated ThreadNode threads = 2;
  map<string, string> class_sources = 3; // optional
  map<string, string> method_sources = 4; // optional
  map<string, string> line_sources = 5; // optional
}

message SamplerMetadata {
  CommandSenderMetadata creator = 1;
  int64 start_time = 2;
  int32 interval = 3;
  ThreadDumper thread_dumper = 4;
  DataAggregator data_aggregator = 5;
  string comment = 6;
  PlatformMetadata platform_metadata = 7;
  PlatformStatistics platform_statistics = 8;
  SystemStatistics system_statistics = 9;
  map<string, string> server_configurations = 10;
  int64 end_time = 11;
  int32 number_of_ticks = 12;
  map<string, SourceMetadata> sources = 13;
  map<string, string> extra_platform_metadata = 14;

  message ThreadDumper {
    Type type = 1;
    repeated int64 ids = 2; // optional
    repeated string patterns = 3; // optional

    enum Type {
      ALL = 0;
      SPECIFIC = 1;
      REGEX = 2;
    }
  }

  message DataAggregator {
    Type type = 1;
    ThreadGrouper thread_grouper = 2;
    int64 tick_length_threshold = 3; // optional
    int32 number_of_included_ticks = 4; // optional

    enum Type {
      SIMPLE = 0;
      TICKED = 1;
    }

    enum ThreadGrouper {
      BY_NAME = 0;
      BY_POOL = 1;
      AS_ONE = 2;
    }
  }

  message SourceMetadata {
    string name = 1;
    string version = 2;
  }
}

message ThreadNode {
  string name = 1;
  double time = 2;
  repeated StackTraceNode children = 3;
}

message StackTraceNode {
  double time = 1;
  repeated StackTraceNode children = 2;
  string class_name = 3;
  string method_name = 4;
  int32 parent_line_number = 5; // optional
  int32 line_number = 6; // optional
  string method_desc = 7; // optional
}