react-native-macos/local-cli/server/util/messageSocket.js

89 строки
2.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
function attachToServer(server, path) {
var WebSocketServer = require('ws').Server;
var wss = new WebSocketServer({
server: server,
path: path
});
var interfaceSocket, shellSocket;
function send(dest, message) {
if (!dest) {
return;
}
try {
dest.send(message);
} catch(e) {
console.warn(e);
// Sometimes this call throws 'not opened'
}
}
wss.on('connection', function(ws) {
const {url} = ws.upgradeReq;
if (url.indexOf('role=interface') > -1) {
if (interfaceSocket) {
ws.close(1011, 'Another debugger is already connected');
return;
}
interfaceSocket = ws;
interfaceSocket.onerror =
interfaceSocket.onclose = () => {
interfaceSocket = null;
// if (shellSocket) {
// shellSocket.close(1011, 'Interface was disconnected');
// }
};
interfaceSocket.onmessage = ({data}) => {
send(shellSocket, data)
};
} else if (url.indexOf('role=shell') > -1) {
if (shellSocket) {
shellSocket.onerror = shellSocket.onclose = shellSocket.onmessage = null;
shellSocket.close(1011, 'Another client connected');
}
shellSocket = ws;
shellSocket.onerror =
shellSocket.onclose = () => {
shellSocket = null;
send(interfaceSocket, JSON.stringify({method: '$disconnected'}));
};
shellSocket.onmessage = ({data}) => send(interfaceSocket, data);
// console.log('CLIENT ----');
// if (doIt) {
// console.log('> sending: %s', str);
// send(shellSocket, str);
// console.log('< sending');
// }
} else {
ws.close(1011, 'Missing role param');
}
});
return {
server: wss,
isChromeConnected: function() {
return !!interfaceSocket;
}
};
}
module.exports = {
attachToServer: attachToServer
};