1 files changed, 12 insertions, 0 deletions
diff --git a/src/cpp/common/channel_filter.h b/src/cpp/common/channel_filter.h
index bd0ec969b4..5e569c97e6 100644
--- a/src/cpp/common/channel_filter.h
+++ b/src/cpp/common/channel_filter.h
@@ -207,6 +207,18 @@ class TransportStreamOpBatch {
         op_->payload->context[GRPC_CONTEXT_TRACING].value);
   }
 
+  const gpr_atm* get_peer_string() const {
+    if (op_->send_initial_metadata &&
+        op_->payload->send_initial_metadata.peer_string != nullptr) {
+      return op_->payload->send_initial_metadata.peer_string;
+    } else if (op_->recv_initial_metadata &&
+               op_->payload->recv_initial_metadata.peer_string != nullptr) {
+      return op_->payload->recv_initial_metadata.peer_string;
+    } else {
+      return nullptr;
+    }
+  }
+
  private:
   grpc_transport_stream_op_batch* op_;  // Not owned.
   MetadataBatch send_initial_metadata_;