From cf2eafda7a5985c6a930373f1460af27763e11f2 Mon Sep 17 00:00:00 2001
From: Matthew Stevenson <52979934+matthewstevenson88@users.noreply.github.com>
Date: Mon, 11 Dec 2023 19:32:40 -0800
Subject: [PATCH] Add network_latency_ms field to ALTS's
 NextHandshakeMessageReq. (#138)

* Add network_latency_ms field to ALTS's NextHandshakeMessageReq.

* Remove optional label.
---
 grpc/gcp/handshaker.proto | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/grpc/gcp/handshaker.proto b/grpc/gcp/handshaker.proto
index 02764ba4..b1dcd314 100644
--- a/grpc/gcp/handshaker.proto
+++ b/grpc/gcp/handshaker.proto
@@ -156,6 +156,11 @@ message NextHandshakeMessageReq {
   // that the peer's out_frames are split into multiple NextHandshakerMessageReq
   // messages.
   bytes in_bytes = 1;
+
+  // Number of milliseconds between when the application send the last handshake
+  // message to the peer and when the application received the current handshake
+  // message (in the in_bytes field) from the peer.
+  uint32 network_latency_ms = 2;
 }
 
 message HandshakerReq {