Update route_guide

cpp/route_guide/Makefile

@@ -32,7 +32,7 @@
 CXX = g++
 CPPFLAGS = -I/usr/local/include -pthread
 CXXFLAGS = -std=c++11
-LDFLAGS = -L/usr/local/lib -lgpr -lgrpc -lgrpc++ -lprotobuf -lpthread -ldl
+LDFLAGS = -L/usr/local/lib -lgpr -lgrpc -lgrpc++_unsecure -lprotobuf -lpthread -ldl
 PROTOC = protoc
 GRPC_CPP_PLUGIN = grpc_cpp_plugin
 GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`

cpp/route_guide/route_guide_client.cc

@@ -43,6 +43,7 @@
 #include <grpc++/channel_interface.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
 #include <grpc++/status.h>
 #include <grpc++/stream.h>
 #include "helper.h"
@@ -242,7 +243,8 @@ int main(int argc, char** argv) {
   // Expect only arg: --db_path=path/to/route_guide_db.json.
   std::string db = examples::GetDbFileContent(argc, argv);
   RouteGuideClient guide(
-      grpc::CreateChannelDeprecated("localhost:50051", ChannelArguments()),
+      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials(),
+                          ChannelArguments()),
       db);
 
   std::cout << "-------------- GetFeature --------------" << std::endl;

cpp/route_guide/route_guide_server.cc

@@ -42,6 +42,7 @@
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc++/server_credentials.h>
 #include <grpc++/status.h>
 #include <grpc++/stream.h>
 #include "helper.h"
@@ -186,7 +187,7 @@ void RunServer(const std::string& db_path) {
   RouteGuideImpl service(db_path);
 
   ServerBuilder builder;
-  builder.AddPort(server_address);
+  builder.AddPort(server_address, grpc::InsecureServerCredentials());
   builder.RegisterService(&service);
   std::unique_ptr<Server> server(builder.BuildAndStart());
   std::cout << "Server listening on " << server_address << std::endl;