Add settings helpers

CMakeLists.txt

@@ -17,6 +17,7 @@ include_directories(src/include ${DuckDB_SOURCE_DIR}/third_party/httplib)
 set(EXTENSION_SOURCES
     src/ui_extension.cpp
     src/http_server.cpp
+    src/settings.cpp
     src/state.cpp
     src/utils/encoding.cpp
     src/utils/env.cpp

src/include/settings.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <duckdb/main/client_context.hpp>
+#include <duckdb/common/exception.hpp>
+
+#define UI_LOCAL_PORT_SETTING_NAME "ui_local_port"
+#define UI_REMOTE_URL_SETTING_NAME "ui_remote_url"
+#define UI_POLLING_INTERVAL_SETTING_NAME "ui_polling_interval"
+
+namespace duckdb {
+
+namespace internal {
+
+template <typename T>
+T GetSetting(const ClientContext &context, const char *setting_name) {
+  Value value;
+  if (!context.TryGetCurrentSetting(setting_name, value)) {
+    throw Exception(ExceptionType::SETTINGS,
+                    "Setting \"" + std::string(setting_name) + "\" not found");
+  }
+  return value.GetValue<T>();
+}
+} // namespace internal
+
+std::string GetRemoteUrl(const ClientContext &);
+uint16_t GetLocalPort(const ClientContext &);
+uint32_t GetPollingInterval(const ClientContext &);
+
+} // namespace duckdb

src/settings.cpp

@@ -0,0 +1,15 @@
+#include "settings.hpp"
+
+namespace duckdb {
+
+std::string GetRemoteUrl(const ClientContext &context) {
+  return internal::GetSetting<std::string>(context, UI_REMOTE_URL_SETTING_NAME);
+}
+uint16_t GetLocalPort(const ClientContext &context) {
+  return internal::GetSetting<uint16_t>(context, UI_LOCAL_PORT_SETTING_NAME);
+}
+uint32_t GetPollingInterval(const ClientContext &context) {
+  return internal::GetSetting<uint32_t>(context,
+                                        UI_POLLING_INTERVAL_SETTING_NAME);
+}
+} // namespace duckdb