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diff --git a/graphics/asymptote/LspCpp/examples/WebsocketExample.cpp b/graphics/asymptote/LspCpp/examples/WebsocketExample.cpp
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+++ b/graphics/asymptote/LspCpp/examples/WebsocketExample.cpp
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+
+#include "LibLsp/JsonRpc/WebSocketServer.h"
+#include "LibLsp/lsp/textDocument/signature_help.h"
+#include "LibLsp/lsp/general/initialize.h"
+#include "LibLsp/lsp/ProtocolJsonHandler.h"
+#include "LibLsp/lsp/textDocument/typeHierarchy.h"
+#include "LibLsp/lsp/AbsolutePath.h"
+#include "LibLsp/lsp/textDocument/resolveCompletionItem.h"
+#include <network/uri.hpp>
+
+
+#include "LibLsp/JsonRpc/Endpoint.h"
+#include "LibLsp/JsonRpc/stream.h"
+#include "LibLsp/JsonRpc/TcpServer.h"
+#include "LibLsp/lsp/textDocument/document_symbol.h"
+#include "LibLsp/lsp/workspace/execute_command.h"
+
+#include <boost/filesystem.hpp>
+#include <boost/asio.hpp>
+#include <iostream>
+#include <boost/beast/core.hpp>
+#include <boost/beast/websocket.hpp>
+#include <boost/asio/dispatch.hpp>
+#include <boost/asio/strand.hpp>
+#include <algorithm>
+#include <cstdlib>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <thread>
+#include <vector>
+
+#include <boost/beast/version.hpp>
+#include <boost/beast/websocket.hpp>
+#include <boost/asio/dispatch.hpp>
+#include "LibLsp/JsonRpc/Endpoint.h"
+#include "LibLsp/JsonRpc/RemoteEndPoint.h"
+#include "LibLsp/JsonRpc/stream.h"
+#include "LibLsp/lsp/ProtocolJsonHandler.h"
+
+namespace beast = boost::beast; // from <boost/beast.hpp>
+namespace http = beast::http; // from <boost/beast/http.hpp>
+namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
+namespace net = boost::asio; // from <boost/asio.hpp>
+using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
+
+//------------------------------------------------------------------------------
+
+std::string _address = "127.0.0.1";
+std::string _port = "9333";
+
+
+
+
+using namespace std;
+class DummyLog :public lsp::Log
+{
+public:
+
+ void log(Level level, std::wstring&& msg)
+ {
+ std::wcout << msg << std::endl;
+ };
+ void log(Level level, const std::wstring& msg)
+ {
+ std::wcout << msg << std::endl;
+ };
+ void log(Level level, std::string&& msg)
+ {
+ std::cout << msg << std::endl;
+ };
+ void log(Level level, const std::string& msg)
+ {
+ std::cout << msg << std::endl;
+ };
+};
+
+
+
+// Sends a WebSocket message and prints the response
+class Client : public std::enable_shared_from_this<Client>
+{
+ net::io_context ioc;
+ tcp::resolver resolver_;
+ websocket::stream<beast::tcp_stream> ws_;
+ beast::flat_buffer buffer_;
+ std::string host_;
+ std::string user_agent_;
+ std::shared_ptr < lsp::ProtocolJsonHandler > protocol_json_handler = std::make_shared< lsp::ProtocolJsonHandler>();
+ DummyLog _log;
+
+ std::shared_ptr<GenericEndpoint> endpoint = std::make_shared<GenericEndpoint>(_log);
+
+ std::shared_ptr<lsp::websocket_stream_wrapper> proxy_;
+public:
+ RemoteEndPoint point;
+
+public:
+ // Resolver and socket require an io_context
+ explicit
+ Client()
+ : resolver_(net::make_strand(ioc))
+ , ws_(net::make_strand(ioc)),point(protocol_json_handler, endpoint, _log)
+ {
+ proxy_ = std::make_shared<lsp::websocket_stream_wrapper>(ws_);
+
+ }
+
+ // Start the asynchronous operation
+ void
+ run(
+ char const* host,
+ char const* port, char const* user_agent)
+ {
+ // Save these for later
+ host_ = host;
+ user_agent_ = user_agent;
+ // Look up the domain name
+ resolver_.async_resolve(
+ host,
+ port,
+ beast::bind_front_handler(
+ &Client::on_resolve,
+ shared_from_this()));
+ std::thread([&]
+ {
+ ioc.run();
+ }).detach();
+ while (!point.IsWorking())
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds (50));
+ }
+ }
+
+ void
+ on_resolve(
+ beast::error_code ec,
+ tcp::resolver::results_type results)
+ {
+ if (ec)
+ return;
+
+ // Set the timeout for the operation
+ beast::get_lowest_layer(ws_).expires_after(std::chrono::seconds(30));
+
+ // Make the connection on the IP address we get from a lookup
+ beast::get_lowest_layer(ws_).async_connect(
+ results,
+ beast::bind_front_handler(
+ &Client::on_connect,
+ shared_from_this()));
+ }
+
+ void
+ on_connect(beast::error_code ec, tcp::resolver::results_type::endpoint_type)
+ {
+ if (ec)
+ return;
+
+ // Turn off the timeout on the tcp_stream, because
+ // the websocket stream has its own timeout system.
+ beast::get_lowest_layer(ws_).expires_never();
+
+ // Set suggested timeout settings for the websocket
+ ws_.set_option(
+ websocket::stream_base::timeout::suggested(
+ beast::role_type::client));
+
+ // Set a decorator to change the User-Agent of the handshake
+ ws_.set_option(websocket::stream_base::decorator(
+ [=](websocket::request_type& req)
+ {
+ req.set(http::field::user_agent,
+ user_agent_.c_str());
+ }));
+
+ // Perform the websocket handshake
+ ws_.async_handshake(host_, "/",
+ beast::bind_front_handler(
+ &Client::on_handshake,
+ shared_from_this()));
+ }
+
+ void
+ on_handshake(beast::error_code ec)
+ {
+ if (ec)
+ return;
+
+ // Send the message
+
+
+ point.startProcessingMessages(proxy_, proxy_);
+ // Read a message into our buffer
+ ws_.async_read(
+ buffer_,
+ beast::bind_front_handler(
+ &Client::on_read,
+ shared_from_this()));
+ }
+
+
+ void
+ on_read(
+ beast::error_code ec,
+ std::size_t bytes_transferred)
+ {
+ boost::ignore_unused(bytes_transferred);
+
+ if (ec)
+ return;
+
+ char* data = reinterpret_cast<char*>(buffer_.data().data());
+ std::vector<char> elements(data, data + bytes_transferred);
+ buffer_.clear();
+ proxy_->on_request.EnqueueAll(std::move(elements), false);
+
+ ws_.async_read(
+ buffer_,
+ beast::bind_front_handler(
+ &Client::on_read,
+ shared_from_this()));
+ }
+
+ void
+ on_close(beast::error_code ec)
+ {
+ if (ec)
+ return;
+
+ // If we get here then the connection is closed gracefully
+
+ // The make_printable() function helps print a ConstBufferSequence
+ std::cout << beast::make_printable(buffer_.data()) << std::endl;
+ }
+};
+
+class Server
+{
+public:
+ Server(const std::string& user_agent) : server(user_agent,_address, _port, protocol_json_handler, endpoint, _log)
+ {
+ server.point.registerHandler(
+ [&](const td_initialize::request& req)
+ {
+ td_initialize::response rsp;
+ CodeLensOptions code_lens_options;
+ code_lens_options.resolveProvider = true;
+ rsp.result.capabilities.codeLensProvider = code_lens_options;
+ return rsp;
+ });
+ std::thread([&]()
+ {
+ server.run();
+ }).detach();
+ }
+ ~Server()
+ {
+ server.stop();
+ }
+ std::shared_ptr < lsp::ProtocolJsonHandler > protocol_json_handler = std::make_shared < lsp::ProtocolJsonHandler >();
+ DummyLog _log;
+
+ std::shared_ptr < GenericEndpoint > endpoint = std::make_shared<GenericEndpoint>(_log);
+ lsp::WebSocketServer server;
+
+};
+
+int main()
+{
+ std::string user_agent = std::string(BOOST_BEAST_VERSION_STRING) +" websocket-server-async";
+ Server server(user_agent);
+
+ auto client = std::make_shared<Client>();
+ user_agent = std::string(BOOST_BEAST_VERSION_STRING) + " websocket-client-async";
+ client->run(_address.c_str(), _port.c_str(), user_agent.c_str());
+
+ td_initialize::request req;
+
+ auto rsp = client->point.waitResponse(req);
+ if (rsp)
+ {
+ std::cout << rsp->ToJson() << std::endl;
+ }
+ return 0;
+}
+
+
+
+
+
+
+
+
+