import { spawn, ChildProcess } from 'child_process';
import { BaseProtocol } from '../core/BaseProtocol.js';
import {
ConsoleSession,
SessionOptions,
ConsoleType,
ConsoleOutput,
} from '../types/index.js';
import {
ProtocolCapabilities,
SessionState,
ErrorContext,
ProtocolHealthStatus,
ErrorRecoveryResult,
ResourceUsage,
} from '../core/IProtocol.js';
// PHP Protocol connection options
interface PHPConnectionOptions extends SessionOptions {
phpPath?: string;
phpVersion?: string;
scriptFile?: string;
interactive?: boolean;
phpFlags?: string[];
iniFile?: string;
iniSettings?: Record<string, string>;
extensions?: string[];
includePath?: string[];
composerPath?: string;
composerCommand?: string;
artisanCommand?: string;
laravelEnv?: string;
symfonyEnv?: string;
enableXdebug?: boolean;
xdebugConfig?: Record<string, string>;
enableOpcache?: boolean;
enableProfiler?: boolean;
profilerOutputDir?: string;
environment?: Record<string, string>;
webServerPort?: number;
enableBuiltinServer?: boolean;
documentRoot?: string;
phpFpmConfig?: string;
memory_limit?: string;
max_execution_time?: number;
}
/**
* PHP Protocol Implementation
*
* Provides PHP development environment console access through php command
* Supports scripts, interactive mode, Composer, Laravel, Symfony, Xdebug, and built-in web server
*/
export class PHPProtocol extends BaseProtocol {
public readonly type: ConsoleType = 'php';
public readonly capabilities: ProtocolCapabilities;
private phpProcesses = new Map<string, ChildProcess>();
// Compatibility property for old ProtocolFactory interface
public get healthStatus(): ProtocolHealthStatus {
return {
isHealthy: this.isInitialized,
lastChecked: new Date(),
errors: [],
warnings: [],
metrics: {
activeSessions: this.sessions.size,
totalSessions: this.sessions.size,
averageLatency: 0,
successRate: 100,
uptime: 0,
},
dependencies: {},
};
}
constructor() {
super('php');
this.capabilities = {
supportsStreaming: true,
supportsFileTransfer: false,
supportsX11Forwarding: false,
supportsPortForwarding: false,
supportsAuthentication: false,
supportsEncryption: false,
supportsCompression: false,
supportsMultiplexing: false,
supportsKeepAlive: true,
supportsReconnection: true,
supportsBinaryData: false,
supportsCustomEnvironment: true,
supportsWorkingDirectory: true,
supportsSignals: true,
supportsResizing: false,
supportsPTY: true,
maxConcurrentSessions: 25,
defaultTimeout: 30000,
supportedEncodings: ['utf-8'],
supportedAuthMethods: [],
platformSupport: {
windows: true,
linux: true,
macos: true,
freebsd: true,
},
};
}
async initialize(): Promise<void> {
if (this.isInitialized) return;
try {
// Check if PHP is available
await this.checkPHPAvailability();
this.isInitialized = true;
this.logger.info('PHP protocol initialized with production features');
} catch (error: any) {
this.logger.error('Failed to initialize PHP protocol', error);
throw error;
}
}
async createSession(options: SessionOptions): Promise<ConsoleSession> {
const sessionId = `php-${Date.now()}-${Math.random().toString(36).substring(2, 11)}`;
return await this.createSessionWithTypeDetection(sessionId, options);
}
async dispose(): Promise<void> {
await this.cleanup();
}
async executeCommand(
sessionId: string,
command: string,
args?: string[]
): Promise<void> {
const fullCommand =
args && args.length > 0 ? `${command} ${args.join(' ')}` : command;
await this.sendInput(sessionId, fullCommand + '\n');
}
async sendInput(sessionId: string, input: string): Promise<void> {
const phpProcess = this.phpProcesses.get(sessionId);
const session = this.sessions.get(sessionId);
if (!phpProcess || !phpProcess.stdin || !session) {
throw new Error(`No active PHP session: ${sessionId}`);
}
phpProcess.stdin.write(input);
session.lastActivity = new Date();
this.emit('input-sent', {
sessionId,
input,
timestamp: new Date(),
});
this.logger.debug(
`Sent input to PHP session ${sessionId}: ${input.substring(0, 100)}`
);
}
async closeSession(sessionId: string): Promise<void> {
try {
const phpProcess = this.phpProcesses.get(sessionId);
if (phpProcess) {
// Try graceful shutdown first
phpProcess.kill('SIGTERM');
// Force kill after timeout
setTimeout(() => {
if (phpProcess && !phpProcess.killed) {
phpProcess.kill('SIGKILL');
}
}, 5000);
this.phpProcesses.delete(sessionId);
}
// Clean up base protocol session
this.sessions.delete(sessionId);
this.logger.info(`PHP session ${sessionId} closed`);
this.emit('session-closed', sessionId);
} catch (error) {
this.logger.error(`Error closing PHP session ${sessionId}:`, error);
throw error;
}
}
async doCreateSession(
sessionId: string,
options: SessionOptions,
sessionState: SessionState
): Promise<ConsoleSession> {
if (!this.isInitialized) {
await this.initialize();
}
const phpOptions = options as PHPConnectionOptions;
// Build PHP command
const phpCommand = this.buildPHPCommand(phpOptions);
// Spawn PHP process
const phpProcess = spawn(phpCommand[0], phpCommand.slice(1), {
stdio: ['pipe', 'pipe', 'pipe'],
cwd: options.cwd || process.cwd(),
env: {
...process.env,
...this.buildEnvironment(phpOptions),
...options.env,
},
});
// Set up output handling
phpProcess.stdout?.on('data', (data) => {
const output: ConsoleOutput = {
sessionId,
type: 'stdout',
data: data.toString(),
timestamp: new Date(),
};
this.addToOutputBuffer(sessionId, output);
});
phpProcess.stderr?.on('data', (data) => {
const output: ConsoleOutput = {
sessionId,
type: 'stderr',
data: data.toString(),
timestamp: new Date(),
};
this.addToOutputBuffer(sessionId, output);
});
phpProcess.on('error', (error) => {
this.logger.error(`PHP process error for session ${sessionId}:`, error);
this.emit('session-error', { sessionId, error });
});
phpProcess.on('close', (code) => {
this.logger.info(
`PHP process closed for session ${sessionId} with code ${code}`
);
this.markSessionComplete(sessionId, code || 0);
});
// Store the process
this.phpProcesses.set(sessionId, phpProcess);
// Create session object
const session: ConsoleSession = {
id: sessionId,
command: phpCommand[0],
args: phpCommand.slice(1),
cwd: options.cwd || process.cwd(),
env: {
...process.env,
...this.buildEnvironment(phpOptions),
...options.env,
},
createdAt: new Date(),
lastActivity: new Date(),
status: 'running',
type: this.type,
streaming: options.streaming,
executionState: 'idle',
activeCommands: new Map(),
pid: phpProcess.pid,
};
this.sessions.set(sessionId, session);
this.logger.info(
`PHP session ${sessionId} created for ${phpOptions.scriptFile || phpOptions.artisanCommand || phpOptions.interactive ? 'interactive PHP' : 'PHP application'}`
);
this.emit('session-created', { sessionId, type: 'php', session });
return session;
}
// Override getOutput to satisfy old ProtocolFactory interface (returns string)
async getOutput(sessionId: string, since?: Date): Promise<any> {
const outputs = await super.getOutput(sessionId, since);
return outputs.map((output) => output.data).join('');
}
// Missing IProtocol methods for compatibility
getAllSessions(): ConsoleSession[] {
return Array.from(this.sessions.values());
}
getActiveSessions(): ConsoleSession[] {
return Array.from(this.sessions.values()).filter(
(session) => session.status === 'running'
);
}
getSessionCount(): number {
return this.sessions.size;
}
async getSessionState(sessionId: string): Promise<SessionState> {
const session = this.sessions.get(sessionId);
if (!session) {
throw new Error(`Session ${sessionId} not found`);
}
return {
sessionId,
status: session.status,
isOneShot: false, // PHP sessions can be persistent (especially interactive mode)
isPersistent: true,
createdAt: session.createdAt,
lastActivity: session.lastActivity,
pid: session.pid,
metadata: {},
};
}
async handleError(
error: Error,
context: ErrorContext
): Promise<ErrorRecoveryResult> {
this.logger.error(
`Error in PHP session ${context.sessionId}: ${error.message}`
);
return {
recovered: false,
strategy: 'none',
attempts: 0,
duration: 0,
error: error.message,
};
}
async recoverSession(sessionId: string): Promise<boolean> {
const phpProcess = this.phpProcesses.get(sessionId);
return (phpProcess && !phpProcess.killed) || false;
}
getResourceUsage(): ResourceUsage {
const memUsage = process.memoryUsage();
const cpuUsage = process.cpuUsage();
return {
memory: {
used: memUsage.heapUsed,
available: memUsage.heapTotal,
peak: memUsage.heapTotal,
},
cpu: {
usage: cpuUsage.user + cpuUsage.system,
load: [0, 0, 0],
},
network: {
bytesIn: 0,
bytesOut: 0,
connectionsActive: this.phpProcesses.size,
},
storage: {
bytesRead: 0,
bytesWritten: 0,
},
sessions: {
active: this.sessions.size,
total: this.sessions.size,
peak: this.sessions.size,
},
};
}
async getHealthStatus(): Promise<ProtocolHealthStatus> {
const baseStatus = await super.getHealthStatus();
try {
await this.checkPHPAvailability();
return {
...baseStatus,
dependencies: {
php: { available: true },
},
};
} catch (error) {
return {
...baseStatus,
isHealthy: false,
errors: [...baseStatus.errors, `PHP not available: ${error}`],
dependencies: {
php: { available: false },
},
};
}
}
private async checkPHPAvailability(): Promise<void> {
return new Promise((resolve, reject) => {
const testProcess = spawn('php', ['--version'], { stdio: 'pipe' });
testProcess.on('close', (code) => {
if (code === 0) {
resolve();
} else {
reject(new Error('PHP interpreter not found. Please install PHP.'));
}
});
testProcess.on('error', () => {
reject(new Error('PHP interpreter not found. Please install PHP.'));
});
});
}
private buildPHPCommand(options: PHPConnectionOptions): string[] {
const command = [];
// Composer command wrapper
if (options.composerCommand) {
if (options.composerPath) {
command.push(options.composerPath);
} else {
command.push('composer');
}
command.push(options.composerCommand);
// Add arguments if any
if (options.args) {
command.push(...options.args);
}
return command;
}
// Laravel Artisan command
if (options.artisanCommand) {
if (options.phpPath) {
command.push(options.phpPath);
} else {
command.push('php');
}
command.push('artisan', options.artisanCommand);
// Add arguments if any
if (options.args) {
command.push(...options.args);
}
return command;
}
// PHP executable
if (options.phpPath) {
command.push(options.phpPath);
} else if (options.phpVersion) {
command.push(`php${options.phpVersion}`);
} else {
command.push('php');
}
// PHP flags
if (options.phpFlags) {
command.push(...options.phpFlags);
}
// INI file
if (options.iniFile) {
command.push('-c', options.iniFile);
}
// INI settings
if (options.iniSettings) {
for (const [key, value] of Object.entries(options.iniSettings)) {
command.push('-d', `${key}=${value}`);
}
}
// Memory limit
if (options.memory_limit) {
command.push('-d', `memory_limit=${options.memory_limit}`);
}
// Execution time
if (options.max_execution_time) {
command.push('-d', `max_execution_time=${options.max_execution_time}`);
}
// Built-in web server
if (options.enableBuiltinServer && options.webServerPort) {
command.push('-S', `localhost:${options.webServerPort}`);
if (options.documentRoot) {
command.push('-t', options.documentRoot);
}
return command;
}
// Interactive mode
if (options.interactive) {
command.push('-a');
}
// Script file or default to interactive
if (options.scriptFile) {
command.push(options.scriptFile);
} else if (!options.interactive) {
// Default to interactive if no script specified
command.push('-a');
}
// Application arguments
if (options.args) {
command.push(...options.args);
}
return command;
}
private buildEnvironment(
options: PHPConnectionOptions
): Record<string, string> {
const env: Record<string, string> = {};
// Include path
if (options.includePath) {
env.PHP_INCLUDE_PATH = options.includePath.join(':');
}
// Xdebug configuration
if (options.enableXdebug) {
env.XDEBUG_MODE = 'debug';
if (options.xdebugConfig) {
for (const [key, value] of Object.entries(options.xdebugConfig)) {
env[`XDEBUG_CONFIG`] = env[`XDEBUG_CONFIG`]
? `${env[`XDEBUG_CONFIG`]} ${key}=${value}`
: `${key}=${value}`;
}
}
}
// OPcache
if (options.enableOpcache) {
env.PHP_OPCACHE_ENABLE = '1';
}
// Profiler
if (options.enableProfiler && options.profilerOutputDir) {
env.XDEBUG_PROFILE_OUTPUT_DIR = options.profilerOutputDir;
env.XDEBUG_PROFILE = '1';
}
// Laravel environment
if (options.laravelEnv) {
env.APP_ENV = options.laravelEnv;
}
// Symfony environment
if (options.symfonyEnv) {
env.SYMFONY_ENV = options.symfonyEnv;
}
// Custom environment variables
if (options.environment) {
Object.assign(env, options.environment);
}
return env;
}
async cleanup(): Promise<void> {
this.logger.info('Cleaning up PHP protocol');
// Close all PHP processes
for (const [sessionId, process] of Array.from(this.phpProcesses)) {
try {
process.kill();
} catch (error) {
this.logger.error(
`Error killing PHP process for session ${sessionId}:`,
error
);
}
}
// Clear all data
this.phpProcesses.clear();
// Call parent cleanup
await super.cleanup();
}
}
export default PHPProtocol;