expose peer info in serverside call handlers

1 files changed, 14 insertions, 1 deletions

diff --git a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
index 8ba2c8a9a2..2536c00345 100644
--- a/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
+++ b/src/csharp/Grpc.Core.Tests/ClientServerTest.cs
@@ -45,7 +45,7 @@ namespace Grpc.Core.Tests
 {
     public class ClientServerTest
     {
-        const string Host = "localhost";
+        const string Host = "127.0.0.1";
         const string ServiceName = "/tests.Test";
 
         static readonly Method<string, string> EchoMethod = new Method<string, string>(
@@ -277,6 +277,14 @@ namespace Grpc.Core.Tests
             Assert.IsTrue(userAgent.StartsWith("grpc-csharp/"));
         }
 
+        [Test]
+        public void PeerInfoPresent()
+        {
+            var internalCall = new Call<string, string>(ServiceName, EchoMethod, channel, Metadata.Empty);
+            string peer = Calls.BlockingUnaryCall(internalCall, "RETURN-PEER", CancellationToken.None);
+            Assert.IsTrue(peer.Contains(Host));
+        }
+
         private static async Task<string> EchoHandler(string request, ServerCallContext context)
         {
             foreach (Metadata.Entry metadataEntry in context.RequestHeaders)
@@ -292,6 +300,11 @@ namespace Grpc.Core.Tests
                 return context.RequestHeaders.Where(entry => entry.Key == "user-agent").Single().Value;
             }
 
+            if (request == "RETURN-PEER")
+            {
+                return context.Peer;
+            }
+
             if (request == "THROW")
             {
                 throw new Exception("This was thrown on purpose by a test");