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