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'use strict';
// http://groups.google.com/group/nodejs/browse_thread/thread/f66cd3c960406919
const common = require('../common');
const assert = require('assert');
if (!common.hasCrypto) {
common.skip('missing crypto');
return;
}
if (process.argv[2] === 'request') {
const http = require('http');
const options = {
port: common.PORT,
path: '/'
};
http.get(options, (res) => {
res.pipe(process.stdout);
});
return;
}
if (process.argv[2] === 'shasum') {
const crypto = require('crypto');
const shasum = crypto.createHash('sha1');
process.stdin.on('data', (d) => {
shasum.update(d);
});
process.stdin.on('close', () => {
process.stdout.write(shasum.digest('hex'));
});
return;
}
const http = require('http');
const cp = require('child_process');
const filename = require('path').join(common.tmpDir, 'big');
function executeRequest(cb) {
cp.exec([process.execPath,
__filename,
'request',
'|',
process.execPath,
__filename,
'shasum' ].join(' '),
(err, stdout, stderr) => {
if (err) throw err;
assert.equal('8c206a1a87599f532ce68675536f0b1546900d7a',
stdout.slice(0, 40));
cb();
}
);
}
common.refreshTmpDir();
const ddcmd = common.ddCommand(filename, 10240);
cp.exec(ddcmd, function(err, stdout, stderr) {
if (err) throw err;
const server = http.createServer(function(req, res) {
res.writeHead(200);
// Create the subprocess
const cat = cp.spawn('cat', [filename]);
// Stream the data through to the response as binary chunks
cat.stdout.on('data', (data) => {
res.write(data);
});
cat.stdout.on('end', () => res.end());
// End the response on exit (and log errors)
cat.on('exit', (code) => {
if (code !== 0) {
console.error('subprocess exited with code ' + code);
process.exit(1);
}
});
});
server.listen(common.PORT, () => {
executeRequest(() => server.close());
});
});
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