syntax = "proto3";

package loggregator.v2;

option go_package = "code.cloudfoundry.org/go-loggregator/v10/rpc/loggregator_v2";

option java_package = "org.cloudfoundry.loggregator.v2";
option java_outer_classname = "LoggregatorEnvelope";

message Envelope {
  int64 timestamp = 1;
  string source_id = 2 [json_name="source_id"];
  string instance_id = 8 [json_name="instance_id"];
  map<string, Value> deprecated_tags = 3 [json_name="deprecated_tags"];
  map<string, string> tags = 9;

  oneof message {
    Log log = 4;
    Counter counter = 5;
    Gauge gauge = 6;
    Timer timer = 7;
    Event event = 10;
  }
}

message EnvelopeBatch {
  repeated Envelope batch = 1;
}

message Value {
  oneof data {
    string text = 1;
    int64 integer = 2;
    double decimal = 3;
  }
}

message Log {
    bytes payload = 1;
    Type type = 2;

    enum Type {
        OUT = 0;
        ERR = 1;
    }
}

message Counter {
    string name = 1;
    uint64 delta = 2;
    uint64 total = 3;
}

message Gauge {
    map<string, GaugeValue> metrics = 1;
}

message GaugeValue {
    string unit = 1;
    double value = 2;
}

message Timer {
    string name = 1;
    int64 start = 2;
    int64 stop = 3;
}

message Event {
    string title = 1;
    string body = 2;
}