Prepare ntcore for merge into allwpilib.

ntcore/src/main/native/cpp/RpcServer.cpp

@@ -0,0 +1,48 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015-2018. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "RpcServer.h"
+
+using namespace nt;
+
+RpcServer::RpcServer(int inst, wpi::Logger& logger)
+    : m_inst(inst), m_logger(logger) {}
+
+void RpcServer::Start() { DoStart(m_inst, m_logger); }
+
+unsigned int RpcServer::Add(
+    std::function<void(const RpcAnswer& answer)> callback) {
+  return DoAdd(callback);
+}
+
+unsigned int RpcServer::AddPolled(unsigned int poller_uid) {
+  return DoAdd(poller_uid);
+}
+
+void RpcServer::RemoveRpc(unsigned int rpc_uid) { Remove(rpc_uid); }
+
+void RpcServer::ProcessRpc(unsigned int local_id, unsigned int call_uid,
+                           StringRef name, StringRef params,
+                           const ConnectionInfo& conn,
+                           SendResponseFunc send_response,
+                           unsigned int rpc_uid) {
+  Send(rpc_uid, Handle(m_inst, local_id, Handle::kEntry).handle(),
+       Handle(m_inst, call_uid, Handle::kRpcCall).handle(), name, params, conn,
+       send_response);
+}
+
+void RpcServer::PostRpcResponse(unsigned int local_id, unsigned int call_uid,
+                                llvm::StringRef result) {
+  auto thr = GetThread();
+  auto i = thr->m_response_map.find(impl::RpcIdPair{local_id, call_uid});
+  if (i == thr->m_response_map.end()) {
+    WARNING("posting RPC response to nonexistent call (or duplicate response)");
+    return;
+  }
+  (i->getSecond())(result);
+  thr->m_response_map.erase(i);
+}