3 files changed, 13 insertions, 2 deletions
diff --git a/test/cpp/interop/server.cc b/test/cpp/interop/server.cc
index 32c60aff44..6c429b3393 100644
--- a/test/cpp/interop/server.cc
+++ b/test/cpp/interop/server.cc
@@ -42,6 +42,7 @@
 #include <gflags/gflags.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include <grpc++/config.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
@@ -67,6 +68,7 @@ using grpc::ServerReader;
 using grpc::ServerReaderWriter;
 using grpc::ServerWriter;
 using grpc::SslServerCredentialsOptions;
+using grpc::testing::InteropServerContextInspector;
 using grpc::testing::Payload;
 using grpc::testing::PayloadType;
 using grpc::testing::SimpleRequest;
@@ -138,6 +140,7 @@ class TestServiceImpl : public TestService::Service {
 
   Status UnaryCall(ServerContext* context, const SimpleRequest* request,
                    SimpleResponse* response) {
+    InteropServerContextInspector inspector(*context);
     SetResponseCompression(context, *request);
     if (request->has_response_size() && request->response_size() > 0) {
       if (!SetPayload(request->response_type(), request->response_size(),
@@ -145,6 +148,9 @@ class TestServiceImpl : public TestService::Service {
         return Status(grpc::StatusCode::INTERNAL, "Error creating payload.");
       }
     }
+    const gpr_uint32 client_accept_encodings_bitset =
+        inspector.GetEncodingsAcceptedByClient();
+    gpr_log(GPR_INFO, "%d", GPR_BITCOUNT(client_accept_encodings_bitset));
 
     return Status::OK;
   }
diff --git a/test/cpp/interop/server_helper.cc b/test/cpp/interop/server_helper.cc
index 8cfed2acb5..3721d79635 100644
--- a/test/cpp/interop/server_helper.cc
+++ b/test/cpp/interop/server_helper.cc
@@ -69,8 +69,12 @@ InteropServerContextInspector::GetCallCompressionAlgorithm() const {
   return grpc_call_get_compression_algorithm(context_.call_);
 }
 
-std::shared_ptr<const AuthContext> InteropServerContextInspector::GetAuthContext()
-    const {
+gpr_uint32 InteropServerContextInspector::GetEncodingsAcceptedByClient() const {
+  return grpc_call_get_encodings_accepted_by_peer(context_.call_);
+}
+
+std::shared_ptr<const AuthContext>
+InteropServerContextInspector::GetAuthContext() const {
   return context_.auth_context();
 }
 
diff --git a/test/cpp/interop/server_helper.h b/test/cpp/interop/server_helper.h
index a57ef0b3c5..7b6b12cd4d 100644
--- a/test/cpp/interop/server_helper.h
+++ b/test/cpp/interop/server_helper.h
@@ -53,6 +53,7 @@ class InteropServerContextInspector {
   std::shared_ptr<const AuthContext> GetAuthContext() const;
   bool IsCancelled() const;
   grpc_compression_algorithm GetCallCompressionAlgorithm() const;
+  gpr_uint32 GetEncodingsAcceptedByClient() const;
 
  private:
   const ::grpc::ServerContext& context_;