const { writeFileSync, unlinkSync } = require('fs'); const { spawn } = require('child_process'); function execute(language, source, stdin = '', args = []) { return new Promise(resolve => { const stamp = new Date().getTime(); const sourceFile = `/tmp/${stamp}.code`; writeFileSync(sourceFile, source); const process = spawn(__dirname + '/../lxc/execute', [ language.name, sourceFile, stdin, args.join('\n'), ]); let stdout = ''; let stderr = ''; let output = ''; process.stderr.on('data', chunk => { stderr += chunk; output += chunk; }); process.stdout.on('data', chunk => { stdout += chunk; output += chunk; }); process.on('exit', code => { unlinkSync(sourceFile); stderr = stderr.trim().substring(0, 65535); stdout = stdout.trim().substring(0, 65535); output = output.trim().substring(0, 65535); resolve({ stdout, stderr, output, ran: code === 0, }); }); }); } module.exports = { execute, };