initial orchestra commit

src/server.cc

@@ -0,0 +1,51 @@
+#include <iostream>
+#include <memory>
+#include <string>
+
+#include <grpc++/grpc++.h>
+
+#include "orchestra.grpc.pb.h"
+
+using grpc::Server;
+using grpc::ServerBuilder;
+using grpc::ServerContext;
+using grpc::Status;
+// using helloworld::HelloRequest;
+// using helloworld::HelloReply;
+// using helloworld::Greeter;
+
+// Logic and data behind the server's behavior.
+class OrchestraServiceImpl final : public Orchestra::Service {
+  Status RemoteCall(ServerContext* context, const RemoteCallRequest* request,
+                  RemoteCallReply* reply) override {
+    std::cout << "called" << std::endl;
+    // std::string prefix("Hello ");
+    // reply->set_message(prefix + request->name());
+    return Status::OK;
+  }
+};
+
+void RunServer() {
+  std::string server_address("0.0.0.0:50052");
+  OrchestraServiceImpl service;
+
+  ServerBuilder builder;
+  // Listen on the given address without any authentication mechanism.
+  builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+  // Register "service" as the instance through which we'll communicate with
+  // clients. In this case it corresponds to an *synchronous* service.
+  builder.RegisterService(&service);
+  // Finally assemble the server.
+  std::unique_ptr<Server> server(builder.BuildAndStart());
+  std::cout << "Server listening on " << server_address << std::endl;
+
+  // Wait for the server to shutdown. Note that some other thread must be
+  // responsible for shutting down the server for this call to ever return.
+  server->Wait();
+}
+
+int main(int argc, char** argv) {
+  RunServer();
+
+  return 0;
+}