- final boolean ignoreAttachments = ns.getBoolean("ignore-attachments");
-
- final var objectMapper = Util.createJsonObjectMapper();
- final var jsonRpcSender = new JsonRpcSender((JsonWriter) outputWriter);
-
- final var receiveThread = receiveMessages(s -> jsonRpcSender.sendRequest(JsonRpcRequest.forNotification(
- "receive",
- objectMapper.valueToTree(s),
- null)), m, ignoreAttachments);
-
- // Maybe this should be handled inside the Manager
- while (!m.hasCaughtUpWithOldMessages()) {
- try {
- synchronized (m) {
- m.wait();
- }
- } catch (InterruptedException ignored) {
- }
- }
-
- final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
-
- final var jsonRpcReader = new JsonRpcReader(jsonRpcSender, () -> {
- try {
- return reader.readLine();
- } catch (IOException e) {
- throw new AssertionError(e);
- }
- });
- jsonRpcReader.readRequests((method, params) -> handleRequest(m, objectMapper, method, params),
- response -> logger.debug("Received unexpected response for id {}", response.getId()));
-
- receiveThread.interrupt();
- try {
- receiveThread.join();
- } catch (InterruptedException ignored) {
- }
- }
-
- private JsonNode handleRequest(
- final Manager m, final ObjectMapper objectMapper, final String method, ContainerNode<?> params
- ) throws JsonRpcException {
- final Object[] result = {null};
- final JsonWriter commandOutputWriter = s -> {
- if (result[0] != null) {
- throw new AssertionError("Command may only write one json result");
- }
-
- result[0] = s;
- };
-
- var command = Commands.getCommand(method);
- if (!(command instanceof JsonRpcCommand)) {
- throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.METHOD_NOT_FOUND,
- "Method not implemented",
- null));
- }
-
- try {
- parseParamsAndRunCommand(m, objectMapper, params, commandOutputWriter, (JsonRpcCommand<?>) command);
- } catch (JsonMappingException e) {
- throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.INVALID_REQUEST,
- e.getMessage(),
- null));
- } catch (UserErrorException e) {
- throw new JsonRpcException(new JsonRpcResponse.Error(USER_ERROR, e.getMessage(), null));
- } catch (IOErrorException e) {
- throw new JsonRpcException(new JsonRpcResponse.Error(IO_ERROR, e.getMessage(), null));
- } catch (UntrustedKeyErrorException e) {
- throw new JsonRpcException(new JsonRpcResponse.Error(UNTRUSTED_KEY_ERROR, e.getMessage(), null));
- } catch (Throwable e) {
- logger.error("Command execution failed", e);
- throw new JsonRpcException(new JsonRpcResponse.Error(JsonRpcResponse.Error.INTERNAL_ERROR,
- e.getMessage(),
- null));
- }
-
- Object output = result[0] == null ? Map.of() : result[0];
- return objectMapper.valueToTree(output);
- }
-
- private <T> void parseParamsAndRunCommand(
- final Manager m,
- final ObjectMapper objectMapper,
- final TreeNode params,
- final OutputWriter outputWriter,
- final JsonRpcCommand<T> command
- ) throws CommandException, JsonMappingException {
- T requestParams = null;
- final var requestType = command.getRequestType();
- if (params != null && requestType != null) {
- try {
- requestParams = objectMapper.readValue(objectMapper.treeAsTokens(params), requestType);
- } catch (JsonMappingException e) {
- throw e;
- } catch (IOException e) {
- throw new AssertionError(e);
- }
- }
- command.handleCommand(requestParams, m, outputWriter);
- }
-
- private Thread receiveMessages(
- JsonWriter jsonWriter, Manager m, boolean ignoreAttachments
- ) {
- final var thread = new Thread(() -> {
- while (!Thread.interrupted()) {
- try {
- final var receiveMessageHandler = new JsonReceiveMessageHandler(m, jsonWriter);
- m.receiveMessages(1, TimeUnit.HOURS, false, ignoreAttachments, receiveMessageHandler);
- break;
- } catch (IOException e) {
- logger.warn("Receiving messages failed, retrying", e);
- }
- }
- });