Remove wpiutil and update to the new build system (#210)

src/main/native/cpp/ntcore_cpp.cpp

@@ -0,0 +1,317 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2015. 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 "ntcore.h"
+
+#include <cassert>
+#include <cstdio>
+#include <cstdlib>
+
+#include "support/timestamp.h"
+#include "Log.h"
+#include "Dispatcher.h"
+#include "DsClient.h"
+#include "Notifier.h"
+#include "RpcServer.h"
+#include "Storage.h"
+#include "WireDecoder.h"
+#include "WireEncoder.h"
+
+namespace nt {
+
+/*
+ * Table Functions
+ */
+
+std::shared_ptr<Value> GetEntryValue(StringRef name) {
+  return Storage::GetInstance().GetEntryValue(name);
+}
+
+bool SetDefaultEntryValue(StringRef name, std::shared_ptr<Value> value) {
+  return Storage::GetInstance().SetDefaultEntryValue(name, value);
+}
+
+bool SetEntryValue(StringRef name, std::shared_ptr<Value> value) {
+  return Storage::GetInstance().SetEntryValue(name, value);
+}
+
+void SetEntryTypeValue(StringRef name, std::shared_ptr<Value> value) {
+  Storage::GetInstance().SetEntryTypeValue(name, value);
+}
+
+void SetEntryFlags(StringRef name, unsigned int flags) {
+  Storage::GetInstance().SetEntryFlags(name, flags);
+}
+
+unsigned int GetEntryFlags(StringRef name) {
+  return Storage::GetInstance().GetEntryFlags(name);
+}
+
+void DeleteEntry(StringRef name) { Storage::GetInstance().DeleteEntry(name); }
+
+void DeleteAllEntries() { Storage::GetInstance().DeleteAllEntries(); }
+
+std::vector<EntryInfo> GetEntryInfo(StringRef prefix, unsigned int types) {
+  return Storage::GetInstance().GetEntryInfo(prefix, types);
+}
+
+void Flush() { Dispatcher::GetInstance().Flush(); }
+
+/*
+ * Callback Creation Functions
+ */
+
+void SetListenerOnStart(std::function<void()> on_start) {
+  Notifier::GetInstance().SetOnStart(on_start);
+}
+
+void SetListenerOnExit(std::function<void()> on_exit) {
+  Notifier::GetInstance().SetOnExit(on_exit);
+}
+
+unsigned int AddEntryListener(StringRef prefix, EntryListenerCallback callback,
+                              unsigned int flags) {
+  unsigned int uid =
+      Notifier::GetInstance().AddEntryListener(prefix, callback, flags);
+  if ((flags & NT_NOTIFY_IMMEDIATE) != 0)
+    Storage::GetInstance().NotifyEntries(prefix, callback);
+  return uid;
+}
+
+void RemoveEntryListener(unsigned int entry_listener_uid) {
+  Notifier::GetInstance().RemoveEntryListener(entry_listener_uid);
+}
+
+unsigned int AddConnectionListener(ConnectionListenerCallback callback,
+                                   bool immediate_notify) {
+  unsigned int uid = Notifier::GetInstance().AddConnectionListener(callback);
+  if (immediate_notify) Dispatcher::GetInstance().NotifyConnections(callback);
+  return uid;
+}
+
+void RemoveConnectionListener(unsigned int conn_listener_uid) {
+  Notifier::GetInstance().RemoveConnectionListener(conn_listener_uid);
+}
+
+bool NotifierDestroyed() { return Notifier::destroyed(); }
+
+/*
+ * Remote Procedure Call Functions
+ */
+
+void SetRpcServerOnStart(std::function<void()> on_start) {
+  RpcServer::GetInstance().SetOnStart(on_start);
+}
+
+void SetRpcServerOnExit(std::function<void()> on_exit) {
+  RpcServer::GetInstance().SetOnExit(on_exit);
+}
+
+void CreateRpc(StringRef name, StringRef def, RpcCallback callback) {
+  Storage::GetInstance().CreateRpc(name, def, callback);
+}
+
+void CreatePolledRpc(StringRef name, StringRef def) {
+  Storage::GetInstance().CreatePolledRpc(name, def);
+}
+
+bool PollRpc(bool blocking, RpcCallInfo* call_info) {
+  return RpcServer::GetInstance().PollRpc(blocking, call_info);
+}
+
+bool PollRpc(bool blocking, double time_out, RpcCallInfo* call_info) {
+  return RpcServer::GetInstance().PollRpc(blocking, time_out, call_info);
+}
+
+void PostRpcResponse(unsigned int rpc_id, unsigned int call_uid,
+                     StringRef result) {
+  RpcServer::GetInstance().PostRpcResponse(rpc_id, call_uid, result);
+}
+
+unsigned int CallRpc(StringRef name, StringRef params) {
+  return Storage::GetInstance().CallRpc(name, params);
+}
+
+bool GetRpcResult(bool blocking, unsigned int call_uid, std::string* result) {
+  return Storage::GetInstance().GetRpcResult(blocking, call_uid, result);
+}
+
+bool GetRpcResult(bool blocking, unsigned int call_uid, double time_out,
+                  std::string* result) {
+  return Storage::GetInstance().GetRpcResult(blocking, call_uid, time_out,
+                                             result);
+}
+
+void CancelBlockingRpcResult(unsigned int call_uid) {
+  Storage::GetInstance().CancelBlockingRpcResult(call_uid);
+}
+
+std::string PackRpcDefinition(const RpcDefinition& def) {
+  WireEncoder enc(0x0300);
+  enc.Write8(def.version);
+  enc.WriteString(def.name);
+
+  // parameters
+  unsigned int params_size = def.params.size();
+  if (params_size > 0xff) params_size = 0xff;
+  enc.Write8(params_size);
+  for (std::size_t i = 0; i < params_size; ++i) {
+    enc.WriteType(def.params[i].def_value->type());
+    enc.WriteString(def.params[i].name);
+    enc.WriteValue(*def.params[i].def_value);
+  }
+
+  // results
+  unsigned int results_size = def.results.size();
+  if (results_size > 0xff) results_size = 0xff;
+  enc.Write8(results_size);
+  for (std::size_t i = 0; i < results_size; ++i) {
+    enc.WriteType(def.results[i].type);
+    enc.WriteString(def.results[i].name);
+  }
+
+  return enc.ToStringRef();
+}
+
+bool UnpackRpcDefinition(StringRef packed, RpcDefinition* def) {
+  wpi::raw_mem_istream is(packed.data(), packed.size());
+  WireDecoder dec(is, 0x0300);
+  if (!dec.Read8(&def->version)) return false;
+  if (!dec.ReadString(&def->name)) return false;
+
+  // parameters
+  unsigned int params_size;
+  if (!dec.Read8(&params_size)) return false;
+  def->params.resize(0);
+  def->params.reserve(params_size);
+  for (std::size_t i = 0; i < params_size; ++i) {
+    RpcParamDef pdef;
+    NT_Type type;
+    if (!dec.ReadType(&type)) return false;
+    if (!dec.ReadString(&pdef.name)) return false;
+    pdef.def_value = dec.ReadValue(type);
+    if (!pdef.def_value) return false;
+    def->params.emplace_back(std::move(pdef));
+  }
+
+  // results
+  unsigned int results_size;
+  if (!dec.Read8(&results_size)) return false;
+  def->results.resize(0);
+  def->results.reserve(results_size);
+  for (std::size_t i = 0; i < results_size; ++i) {
+    RpcResultDef rdef;
+    if (!dec.ReadType(&rdef.type)) return false;
+    if (!dec.ReadString(&rdef.name)) return false;
+    def->results.emplace_back(std::move(rdef));
+  }
+
+  return true;
+}
+
+std::string PackRpcValues(ArrayRef<std::shared_ptr<Value>> values) {
+  WireEncoder enc(0x0300);
+  for (auto& value : values) enc.WriteValue(*value);
+  return enc.ToStringRef();
+}
+
+std::vector<std::shared_ptr<Value>> UnpackRpcValues(StringRef packed,
+                                                    ArrayRef<NT_Type> types) {
+  wpi::raw_mem_istream is(packed.data(), packed.size());
+  WireDecoder dec(is, 0x0300);
+  std::vector<std::shared_ptr<Value>> vec;
+  for (auto type : types) {
+    auto item = dec.ReadValue(type);
+    if (!item) return std::vector<std::shared_ptr<Value>>();
+    vec.emplace_back(std::move(item));
+  }
+  return vec;
+}
+
+/*
+ * Client/Server Functions
+ */
+
+void SetNetworkIdentity(StringRef name) {
+  Dispatcher::GetInstance().SetIdentity(name);
+}
+
+unsigned int GetNetworkMode() {
+  auto& d = Dispatcher::GetInstance();
+  return d.GetNetworkMode();
+}
+
+void StartServer(StringRef persist_filename, const char* listen_address,
+                 unsigned int port) {
+  Dispatcher::GetInstance().StartServer(persist_filename, listen_address, port);
+}
+
+void StopServer() { Dispatcher::GetInstance().Stop(); }
+
+void StartClient() { Dispatcher::GetInstance().StartClient(); }
+
+void StartClient(const char* server_name, unsigned int port) {
+  auto& d = Dispatcher::GetInstance();
+  d.SetServer(server_name, port);
+  d.StartClient();
+}
+
+void StartClient(ArrayRef<std::pair<StringRef, unsigned int>> servers) {
+  auto& d = Dispatcher::GetInstance();
+  d.SetServer(servers);
+  d.StartClient();
+}
+
+void StopClient() { Dispatcher::GetInstance().Stop(); }
+
+void SetServer(const char* server_name, unsigned int port) {
+  Dispatcher::GetInstance().SetServer(server_name, port);
+}
+
+void SetServer(ArrayRef<std::pair<StringRef, unsigned int>> servers) {
+  Dispatcher::GetInstance().SetServer(servers);
+}
+
+void StartDSClient(unsigned int port) { DsClient::GetInstance().Start(port); }
+
+void StopDSClient() { DsClient::GetInstance().Stop(); }
+
+void StopRpcServer() { RpcServer::GetInstance().Stop(); }
+
+void StopNotifier() { Notifier::GetInstance().Stop(); }
+
+void SetUpdateRate(double interval) {
+  Dispatcher::GetInstance().SetUpdateRate(interval);
+}
+
+std::vector<ConnectionInfo> GetConnections() {
+  return Dispatcher::GetInstance().GetConnections();
+}
+
+/*
+ * Persistent Functions
+ */
+
+const char* SavePersistent(StringRef filename) {
+  return Storage::GetInstance().SavePersistent(filename, false);
+}
+
+const char* LoadPersistent(
+    StringRef filename,
+    std::function<void(size_t line, const char* msg)> warn) {
+  return Storage::GetInstance().LoadPersistent(filename, warn);
+}
+
+unsigned long long Now() { return wpi::Now(); }
+
+void SetLogger(LogFunc func, unsigned int min_level) {
+  Logger& logger = Logger::GetInstance();
+  logger.SetLogger(func);
+  logger.set_min_level(min_level);
+}
+
+}  // namespace nt