From c07d9bf668934b21ef0c11b72678e049ce5a6333 Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Tue, 28 Jul 2015 09:19:22 -0700
Subject: [PATCH] client api

---
 include/grpc++/client_context.h  |  2 ++
 src/cpp/client/client_context.cc | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 9df76699d2c..f18fb61b4c3 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -118,6 +118,8 @@ class ClientContext {
 
   std::shared_ptr<const AuthContext> auth_context() const;
 
+  grpc::string peer() const;
+
   // Get and set census context
   void set_census_context(census_context* ccp) { census_context_ = ccp; }
   census_context* get_census_context() const { return census_context_; }
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 14ab772e503..c38d0c1df69 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -34,6 +34,7 @@
 #include <grpc++/client_context.h>
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
 #include <grpc++/credentials.h>
 #include <grpc++/time.h>
@@ -104,4 +105,14 @@ void ClientContext::TryCancel() {
   }
 }
 
+grpc::string ClientContext::peer() const {
+  grpc::string peer;
+  if (call_) {
+    char* c_peer = grpc_call_get_peer(call_);
+    peer = c_peer;
+    gpr_free(c_peer);
+  }
+  return peer;
+}
+
 }  // namespace grpc