I have a simple program that reads from child output and pass it through
websocket
However, when the child output very long string, nodejs quits immediately,
no errors, sometimes I can see the 'clean up' message, sometimes I couldn't.
Anyone know why?
var peers = [];
child = require('child_process').execFile('bash', [
'xxxx.sh'
], {
detached: true,
stdio: [ 'ignore', 1, 2 ],
});
child.unref();
child.stdout.on('data', function(data) {
data = data.toString();
peers.forEach(function(peer) {
peer.sendText(data);
})
console.log('[STDOUT]', data);
});
child.stderr.on('data', function(data) {
data = data.toString();
console.log('[STDERR]', data);
});
child.on('error', function(err) {
console.log('error in child process', err);
process.exit(1);
});
child.on('close', function(code) {
process.exit(code);
});
function cleanup() {
console.log('Cleaning up');
child.kill('SIGINT');
}
process.on('exit', cleanup);
process.on('SIGINT', cleanup);
var ws = require("nodejs-websocket")
var server = ws.createServer(function(conn) {
console.log("New connection")
peers.push(conn);
conn.on("text", function(str) {
console.log('Received', str);
})
conn.on("close", function(code, reason) {
console.log("Connection closed");
for (var i = 0; i < peers.length; i ++) {
if (peers[i] === conn) {
console.log('Removed connection #', i);
peers.splice(i, 1);
break;
}
}
})
}).listen(8300)
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