From c18b0ebb7555769b2fb3910136edd62a0934d559 Mon Sep 17 00:00:00 2001
From: Adrian Cole <acole@pivotal.io>
Date: Tue, 9 Apr 2019 14:23:33 +0900
Subject: [PATCH] Adds reporting endpoint

Fixes #57
See https://github.com/openzipkin/zipkin/pull/2328
---
 zipkin.proto | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/zipkin.proto b/zipkin.proto
index a77dd69..b26bf48 100644
--- a/zipkin.proto
+++ b/zipkin.proto
@@ -14,6 +14,8 @@
 
 syntax = "proto3";
 
+import "google/protobuf/empty.proto";
+
 package zipkin.proto3;
 
 // In Java, the closest model type to this proto is in the "zipkin2" package
@@ -212,3 +214,14 @@ message Annotation {
 message ListOfSpans {
   repeated Span spans = 1;
 }
+
+// Use this to report spans onto the gRPC transport. Implementations are asynchronous and may drop
+// spans for reasons of sampling or storage availability. While this is primarily used to store
+// spans, other operations may take place such as aggregation of service dependencies or data
+// cleaning.
+service SpanService {
+
+  // Unary call analogous to the POST /api/v2/spans endpoint. Spans are not required to be complete
+  // or belonging to the same trace.
+  rpc Report(zipkin.proto3.ListOfSpans) returns (google.protobuf.Empty) {}
+}