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Log server state when client is unexpetedly closed 

Reviewed By: @javache

Differential Revision: D2473036
This commit is contained in:
Martin Bigio 2015-09-24 05:07:18 -07:00 committed by facebook-github-bot-9
parent ae3bf52f02
commit 3f61a4f846
1 changed files with 22 additions and 7 deletions
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29
react-packager/src/SocketInterface/SocketClient.js vendored
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@ -31,6 +31,10 @@ class SocketClient {
this._ready = new Promise((resolve, reject) => {
this._sock.on('connect', () => {
this._sock.removeAllListeners('error');
process.on('uncaughtException', (error) => {
debug('uncaught error', error.stack);
setImmediate(() => process.exit(1));
});
resolve(this);
});
this._sock.on('error', (e) => {
@ -49,13 +53,24 @@ class SocketClient {
this._sock.on('close', () => {
if (!this._closing) {
const sockPathExists = fs.existsSync(sockPath);
throw new Error(
'Server closed unexpectedly.\n' +
'Socket path: `' + sockPath + '` ' +
(sockPathExists ? ' exists.' : 'doesn\'t exist') + '\n' +
getServerLogs()
);
const terminate = (result) => {
const sockPathExists = fs.existsSync(sockPath);
throw new Error(
'Server closed unexpectedly.\n' +
'Server ping connection attempt result: ' + result + '\n' +
'Socket path: `' + sockPath + '` ' +
(sockPathExists ? ' exists.' : 'doesn\'t exist') + '\n' +
getServerLogs()
);
};
// before throwing ping the server to see if it's still alive
const socket = net.connect(sockPath);
socket.on('connect', () => {
socket.end();
terminate('OK');
});
socket.on('error', error => terminate(error));
}
});
}