ai-debug-local-mcp
Version:
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216 lines • 8.79 kB
JavaScript
/**
* Stateless Debug Service - V2 Core Architecture
*
* Provides stateless debugging capabilities with comprehensive error handling
* and automatic recovery mechanisms for AI-Debug V2
*/
import { EventEmitter } from 'events';
export class StatelessDebugService extends EventEmitter {
config;
activeOperations = new Map();
operationHistory = [];
isInitialized = false;
constructor(config = {}) {
super();
this.config = {
maxConcurrentOperations: config.maxConcurrentOperations || 20,
operationTimeoutMs: config.operationTimeoutMs || 30000,
retryAttempts: config.retryAttempts || 3,
enableCircuitBreaker: config.enableCircuitBreaker ?? true
};
}
async initialize() {
if (this.isInitialized) {
return;
}
try {
console.error('🔧 Initializing V2 Stateless Debug Service...');
// Initialize any required resources
await this.initializeResources();
// Start operation monitoring
this.startOperationMonitoring();
this.isInitialized = true;
console.error('✅ V2 Stateless Debug Service initialized successfully');
}
catch (error) {
console.error('❌ Failed to initialize V2 Stateless Debug Service:', error);
throw error;
}
}
async initializeResources() {
// Initialize any required debugging resources
// This is a placeholder for actual resource initialization
await new Promise(resolve => setTimeout(resolve, 100));
}
startOperationMonitoring() {
// Monitor operations for timeouts and cleanup
setInterval(() => {
this.checkOperationTimeouts();
this.cleanupCompletedOperations();
}, 10000); // Check every 10 seconds
}
checkOperationTimeouts() {
const now = Date.now();
for (const [id, operation] of this.activeOperations) {
if (operation.status === 'running' &&
(now - operation.startTime) > this.config.operationTimeoutMs) {
operation.status = 'timeout';
console.warn(`⏰ V2 Operation ${id} timed out after ${this.config.operationTimeoutMs}ms`);
this.emit('operation_timeout', operation);
this.activeOperations.delete(id);
this.operationHistory.push(operation);
}
}
}
cleanupCompletedOperations() {
// Keep operation history manageable
if (this.operationHistory.length > 1000) {
this.operationHistory = this.operationHistory.slice(-500);
}
}
async executeDebugOperation(type, parameters = {}, sessionId) {
if (!this.isInitialized) {
throw new Error('Debug service not initialized');
}
if (this.activeOperations.size >= this.config.maxConcurrentOperations) {
throw new Error(`Maximum concurrent operations (${this.config.maxConcurrentOperations}) reached`);
}
const operation = {
id: this.generateOperationId(),
type,
startTime: Date.now(),
status: 'pending',
sessionId,
metadata: { parameters }
};
this.activeOperations.set(operation.id, operation);
try {
operation.status = 'running';
// Execute the actual debug operation
const result = await this.performDebugOperation(operation, parameters);
operation.status = 'completed';
this.emit('operation_completed', operation);
return result;
}
catch (error) {
operation.status = 'failed';
operation.metadata.error = error.message;
console.error(`❌ V2 Debug operation ${operation.id} failed:`, error);
this.emit('operation_failed', operation);
throw error;
}
finally {
this.activeOperations.delete(operation.id);
this.operationHistory.push(operation);
}
}
async performDebugOperation(operation, parameters) {
// This is a placeholder for actual debug operation implementation
// In the real implementation, this would dispatch to appropriate handlers
switch (operation.type) {
case 'screenshot':
return await this.performScreenshot(parameters);
case 'audit':
return await this.performAudit(parameters);
case 'user_action':
return await this.performUserAction(parameters);
default:
return {
success: true,
operation: operation.type,
result: `Placeholder result for ${operation.type}`,
timestamp: new Date().toISOString(),
executionTime: Math.random() * 1000
};
}
}
async performScreenshot(parameters) {
// Simulate screenshot operation
await new Promise(resolve => setTimeout(resolve, 200 + Math.random() * 800));
return {
success: true,
screenshot: {
url: parameters.url || 'unknown',
timestamp: new Date().toISOString(),
dimensions: { width: 1920, height: 1080 },
format: 'png'
}
};
}
async performAudit(parameters) {
// Simulate audit operation
await new Promise(resolve => setTimeout(resolve, 1000 + Math.random() * 2000));
return {
success: true,
audit: {
url: parameters.url || 'unknown',
performance: Math.floor(Math.random() * 40) + 60, // 60-100
accessibility: Math.floor(Math.random() * 30) + 70, // 70-100
bestPractices: Math.floor(Math.random() * 25) + 75, // 75-100
seo: Math.floor(Math.random() * 20) + 80, // 80-100
timestamp: new Date().toISOString()
}
};
}
async performUserAction(parameters) {
// Simulate user action operation
await new Promise(resolve => setTimeout(resolve, 300 + Math.random() * 700));
return {
success: true,
action: {
type: parameters.action || 'click',
target: parameters.selector || 'unknown',
timestamp: new Date().toISOString(),
result: 'Action executed successfully'
}
};
}
generateOperationId() {
return `v2_op_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
}
getActiveOperations() {
return Array.from(this.activeOperations.values());
}
getOperationHistory() {
return [...this.operationHistory];
}
getServiceStats() {
const active = this.activeOperations.size;
const history = this.operationHistory;
const completed = history.filter(op => op.status === 'completed').length;
const failed = history.filter(op => op.status === 'failed').length;
const timedOut = history.filter(op => op.status === 'timeout').length;
return {
initialized: this.isInitialized,
activeOperations: active,
totalOperations: history.length,
successRate: history.length > 0 ? (completed / history.length) * 100 : 100,
failureRate: history.length > 0 ? (failed / history.length) * 100 : 0,
timeoutRate: history.length > 0 ? (timedOut / history.length) * 100 : 0,
averageExecutionTime: this.calculateAverageExecutionTime()
};
}
calculateAverageExecutionTime() {
const completedOps = this.operationHistory.filter(op => op.status === 'completed');
if (completedOps.length === 0)
return 0;
const totalTime = completedOps.reduce((sum, op) => {
const endTime = op.metadata?.endTime || op.startTime + 1000; // Fallback
return sum + (endTime - op.startTime);
}, 0);
return totalTime / completedOps.length;
}
async cleanup() {
console.error('🧹 V2 Cleaning up Stateless Debug Service...');
// Cancel all active operations
for (const [id, operation] of this.activeOperations) {
operation.status = 'failed';
operation.metadata.error = 'Service shutdown';
console.error(`🛑 Cancelling active operation: ${id}`);
}
this.activeOperations.clear();
this.isInitialized = false;
console.error('✅ V2 Stateless Debug Service cleanup completed');
}
}
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