syntax = "proto3";
package carbon;

import "google/protobuf/empty.proto";

// https://github.com/graphite-project/carbon/blob/master/lib/carbon/carbon.proto

message Point {
  uint32 timestamp = 1;
  double value = 2;
}

message Metric {
  string metric = 1;
  repeated Point points = 2;
}

message Payload {
  repeated Metric metrics = 1;
}

service Carbon {
	// Store parses request, sends them to internal queue and returns response.
	// Data may be lost during server restart.
	rpc Store(Payload) returns (google.protobuf.Empty) {}

	// StoreSync returns response only after data has written to drive.
	rpc StoreSync(Payload) returns (google.protobuf.Empty) {}
}