1 files changed, 13 insertions, 1 deletions
diff --git a/examples/cpp/metadata/greeter_server.cc b/examples/cpp/metadata/greeter_server.cc
index db2fecbcaf..a9a4f33cb0 100644
--- a/examples/cpp/metadata/greeter_server.cc
+++ b/examples/cpp/metadata/greeter_server.cc
@@ -46,7 +46,19 @@ class GreeterServiceImpl final : public Greeter::Service {
     std::cout << "Client metadata: " << std::endl;
     const std::multimap<grpc::string_ref, grpc::string_ref> metadata = context->client_metadata();
     for (auto iter = metadata.begin(); iter != metadata.end(); ++iter) {
-      std::cout << "Header key: " << iter->first << " , value: " << iter->second << std::endl;
+      std::cout << "Header key: " << iter->first << ", value: ";
+      // Check for binary value
+      size_t isbin = iter->first.find("-bin");
+      if ((isbin != std::string::npos) && (isbin + 4 == iter->first.size())) {
+        std::cout <<  std::hex;
+        for (auto c : iter->second) {
+          std::cout << static_cast<unsigned int>(c);
+        }
+        std::cout <<  std::dec;
+      } else {
+        std::cout << iter->second;
+      }
+      std::cout << std::endl;
     }
 
     context->AddInitialMetadata("custom-server-metadata", "initial metadata value");