feat(daemon): Reorganize and refactor core into client/daemon/shared modules; add IPC protocol and tests

ts/shared/common/utils.errorhandler.ts

@@ -0,0 +1,152 @@
+/**
+ * Centralized error handling utility for TSPM
+ */
+
+// Define error types
+export enum ErrorType {
+  CONFIG = 'ConfigError',
+  PROCESS = 'ProcessError',
+  RUNTIME = 'RuntimeError',
+  VALIDATION = 'ValidationError',
+  UNKNOWN = 'UnknownError',
+}
+
+// Base error class with type and code support
+export class TspmError extends Error {
+  type: ErrorType;
+  code: string;
+  details?: Record<string, any>;
+
+  constructor(
+    message: string,
+    type: ErrorType = ErrorType.UNKNOWN,
+    code: string = 'ERR_UNKNOWN',
+    details?: Record<string, any>,
+  ) {
+    super(message);
+    this.name = type;
+    this.type = type;
+    this.code = code;
+    this.details = details;
+
+    // Preserve proper stack trace
+    if (Error.captureStackTrace) {
+      Error.captureStackTrace(this, this.constructor);
+    }
+  }
+
+  toString(): string {
+    return `[${this.type}:${this.code}] ${this.message}`;
+  }
+}
+
+// Specific error classes
+export class ConfigError extends TspmError {
+  constructor(
+    message: string,
+    code: string = 'ERR_CONFIG',
+    details?: Record<string, any>,
+  ) {
+    super(message, ErrorType.CONFIG, code, details);
+  }
+}
+
+export class ProcessError extends TspmError {
+  constructor(
+    message: string,
+    code: string = 'ERR_PROCESS',
+    details?: Record<string, any>,
+  ) {
+    super(message, ErrorType.PROCESS, code, details);
+  }
+}
+
+export class ValidationError extends TspmError {
+  constructor(
+    message: string,
+    code: string = 'ERR_VALIDATION',
+    details?: Record<string, any>,
+  ) {
+    super(message, ErrorType.VALIDATION, code, details);
+  }
+}
+
+// Utility for handling any error type
+export const handleError = (error: Error | unknown): TspmError => {
+  if (error instanceof TspmError) {
+    return error;
+  }
+
+  if (error instanceof Error) {
+    return new TspmError(error.message, ErrorType.UNKNOWN, 'ERR_UNKNOWN', {
+      originalError: error,
+    });
+  }
+
+  return new TspmError(String(error), ErrorType.UNKNOWN, 'ERR_UNKNOWN');
+};
+
+// Logger with different log levels
+export enum LogLevel {
+  DEBUG = 0,
+  INFO = 1,
+  WARN = 2,
+  ERROR = 3,
+  NONE = 4,
+}
+
+export class Logger {
+  private static instance: Logger;
+  private level: LogLevel = LogLevel.INFO;
+  private componentName: string;
+
+  constructor(componentName: string) {
+    this.componentName = componentName;
+  }
+
+  static getInstance(componentName: string): Logger {
+    if (!Logger.instance) {
+      Logger.instance = new Logger(componentName);
+    }
+    return Logger.instance;
+  }
+
+  setLevel(level: LogLevel): void {
+    this.level = level;
+  }
+
+  private formatMessage(message: string): string {
+    const timestamp = new Date().toISOString();
+    return `[${timestamp}] [${this.componentName}] ${message}`;
+  }
+
+  debug(message: string): void {
+    if (this.level <= LogLevel.DEBUG) {
+      console.log(this.formatMessage(`DEBUG: ${message}`));
+    }
+  }
+
+  info(message: string): void {
+    if (this.level <= LogLevel.INFO) {
+      console.log(this.formatMessage(message));
+    }
+  }
+
+  warn(message: string): void {
+    if (this.level <= LogLevel.WARN) {
+      console.warn(this.formatMessage(`WARNING: ${message}`));
+    }
+  }
+
+  error(error: Error | unknown): void {
+    if (this.level <= LogLevel.ERROR) {
+      const tspmError = handleError(error);
+      console.error(this.formatMessage(`ERROR: ${tspmError.toString()}`));
+
+      // In debug mode, also log stack trace
+      if (this.level === LogLevel.DEBUG && tspmError.stack) {
+        console.error(tspmError.stack);
+      }
+    }
+  }
+}

ts/shared/protocol/error.codes.ts

@@ -0,0 +1,26 @@
+/**
+ * Standardized error codes for IPC communication
+ * These are used instead of string messages for better error handling
+ */
+export enum ErrorCode {
+  // General errors
+  UNKNOWN_ERROR = 'UNKNOWN_ERROR',
+  INVALID_REQUEST = 'INVALID_REQUEST',
+  
+  // Process errors
+  PROCESS_NOT_FOUND = 'PROCESS_NOT_FOUND',
+  PROCESS_ALREADY_EXISTS = 'PROCESS_ALREADY_EXISTS',
+  PROCESS_START_FAILED = 'PROCESS_START_FAILED',
+  PROCESS_STOP_FAILED = 'PROCESS_STOP_FAILED',
+  
+  // Daemon errors
+  DAEMON_NOT_RUNNING = 'DAEMON_NOT_RUNNING',
+  DAEMON_ALREADY_RUNNING = 'DAEMON_ALREADY_RUNNING',
+  
+  // Memory errors
+  MEMORY_LIMIT_EXCEEDED = 'MEMORY_LIMIT_EXCEEDED',
+  
+  // Config errors
+  CONFIG_INVALID = 'CONFIG_INVALID',
+  CONFIG_SAVE_FAILED = 'CONFIG_SAVE_FAILED',
+}

ts/shared/protocol/ipc.types.ts

@@ -0,0 +1,198 @@
+import type { IProcessConfig, IProcessInfo } from './classes.tspm.js';
+import type { IProcessLog } from './classes.processwrapper.js';
+
+// Base message types
+export interface IpcRequest<T = any> {
+  id: string;
+  method: string;
+  params: T;
+}
+
+export interface IpcResponse<T = any> {
+  id: string;
+  success: boolean;
+  result?: T;
+  error?: {
+    code: number;
+    message: string;
+    data?: any;
+  };
+}
+
+// Request/Response pairs for each operation
+
+// Start command
+export interface StartRequest {
+  config: IProcessConfig;
+}
+
+export interface StartResponse {
+  processId: string;
+  pid?: number;
+  status: 'online' | 'stopped' | 'errored';
+}
+
+// Stop command
+export interface StopRequest {
+  id: string;
+}
+
+export interface StopResponse {
+  success: boolean;
+  message?: string;
+}
+
+// Restart command
+export interface RestartRequest {
+  id: string;
+}
+
+export interface RestartResponse {
+  processId: string;
+  pid?: number;
+  status: 'online' | 'stopped' | 'errored';
+}
+
+// Delete command
+export interface DeleteRequest {
+  id: string;
+}
+
+export interface DeleteResponse {
+  success: boolean;
+  message?: string;
+}
+
+// List command
+export interface ListRequest {
+  // No parameters needed
+}
+
+export interface ListResponse {
+  processes: IProcessInfo[];
+}
+
+// Describe command
+export interface DescribeRequest {
+  id: string;
+}
+
+export interface DescribeResponse {
+  processInfo: IProcessInfo;
+  config: IProcessConfig;
+}
+
+// Get logs command
+export interface GetLogsRequest {
+  id: string;
+  lines?: number;
+}
+
+export interface GetLogsResponse {
+  logs: IProcessLog[];
+}
+
+// Start all command
+export interface StartAllRequest {
+  // No parameters needed
+}
+
+export interface StartAllResponse {
+  started: string[];
+  failed: Array<{
+    id: string;
+    error: string;
+  }>;
+}
+
+// Stop all command
+export interface StopAllRequest {
+  // No parameters needed
+}
+
+export interface StopAllResponse {
+  stopped: string[];
+  failed: Array<{
+    id: string;
+    error: string;
+  }>;
+}
+
+// Restart all command
+export interface RestartAllRequest {
+  // No parameters needed
+}
+
+export interface RestartAllResponse {
+  restarted: string[];
+  failed: Array<{
+    id: string;
+    error: string;
+  }>;
+}
+
+// Daemon status command
+export interface DaemonStatusRequest {
+  // No parameters needed
+}
+
+export interface DaemonStatusResponse {
+  status: 'running' | 'stopped';
+  pid?: number;
+  uptime?: number;
+  processCount: number;
+  memoryUsage?: number;
+  cpuUsage?: number;
+}
+
+// Daemon shutdown command
+export interface DaemonShutdownRequest {
+  graceful?: boolean;
+  timeout?: number; // milliseconds
+}
+
+export interface DaemonShutdownResponse {
+  success: boolean;
+  message?: string;
+}
+
+// Heartbeat command
+export interface HeartbeatRequest {
+  // No parameters needed
+}
+
+export interface HeartbeatResponse {
+  timestamp: number;
+  status: 'healthy' | 'degraded';
+}
+
+// Type mappings for methods
+export type IpcMethodMap = {
+  start: { request: StartRequest; response: StartResponse };
+  stop: { request: StopRequest; response: StopResponse };
+  restart: { request: RestartRequest; response: RestartResponse };
+  delete: { request: DeleteRequest; response: DeleteResponse };
+  list: { request: ListRequest; response: ListResponse };
+  describe: { request: DescribeRequest; response: DescribeResponse };
+  getLogs: { request: GetLogsRequest; response: GetLogsResponse };
+  startAll: { request: StartAllRequest; response: StartAllResponse };
+  stopAll: { request: StopAllRequest; response: StopAllResponse };
+  restartAll: { request: RestartAllRequest; response: RestartAllResponse };
+  'daemon:status': {
+    request: DaemonStatusRequest;
+    response: DaemonStatusResponse;
+  };
+  'daemon:shutdown': {
+    request: DaemonShutdownRequest;
+    response: DaemonShutdownResponse;
+  };
+  heartbeat: { request: HeartbeatRequest; response: HeartbeatResponse };
+};
+
+// Helper type to extract request type for a method
+export type RequestForMethod<M extends keyof IpcMethodMap> =
+  IpcMethodMap[M]['request'];
+
+// Helper type to extract response type for a method
+export type ResponseForMethod<M extends keyof IpcMethodMap> =
+  IpcMethodMap[M]['response'];

ts/shared/protocol/protocol.version.ts

@@ -0,0 +1,5 @@
+/**
+ * Protocol version for client-daemon communication
+ * This allows for version compatibility checks between client and daemon
+ */
+export const PROTOCOL_VERSION = '1.0.0';