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main.js
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main.js
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const electron = require('electron')
// Module to control application life.
const app = electron.app
// Module for Inter Process Comunication
const ipcMain = electron.ipcMain
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow
const path = require('path')
const { contextIsolated } = require('process')
const url = require('url')
// Module to check if a host is running a server
const isReachable = require('is-reachable');
let mainWindow
// Function to add a delay, used to wait for the client page to load
function delay(time) {
return new Promise(resolve => setTimeout(resolve, time));
}
function createWindow() {
var mainAddr = 'http://localhost:42000';
var openWindow = function() {
mainWindow = new BrowserWindow({ width: 1920, height: 1080,
webPreferences: {
nodeIntegration: true,
contextIsolation: false
}
})
mainWindow.loadFile(path.join(app.getAppPath(), 'src/index.html'));
//mainWindow.webContents.openDevTools();
//let contents = mainAddr.webContents;
// Function to control the launch of server and client through EventListener
ipcMain.on('form-submission', function (event, address) {
var subpyserv;
const python_path = path.join(require('os').homedir(),/*'..'*/ 'AllSpark_data/AllSpark_venv/bin/python3');
const server_path = path.join(app.getAppPath(), 'src/aspark_server/server_main.py');
const client_path = path.join(app.getAppPath(), 'src/aspark_client/client_main.py');
if (address=='default') {
subpyserv = require('child_process').spawn( python_path,[server_path]);
subpyserv.stdout.on('data', (data) => {
console.log(`stdout: ${data}`);
});
subpyserv.stderr.on('data', (data) => {
console.error(`stderr: ${data}`);
});
subpyserv.on('close', (code) => {
console.log(`child process exited with code ${code}`);
});
subpy = require('child_process').spawn(python_path, [client_path]);
subpy.stdout.on('data', (data) => {
console.log(`stdout: ${data}`);
});
subpy.stderr.on('data', (data) => {
console.error(`stderr: ${data}`);
});
subpy.on('close', (code) => {
console.log(`child process exited with code ${code}`);
});
} else {
subpy = require('child_process').spawn(python_path, [client_path, String(address)]);
subpy.stdout.on('data', (data) => {
console.log(`stdout: ${data}`);
});
subpy.stderr.on('data', (data) => {
console.error(`stderr: ${data}`);
});
subpy.on('close', (code) => {
console.log(`child process exited with code ${code}`);
});
}
var client_up = false;
(async () => {
while (!client_up) {
client_up = await isReachable(mainAddr);
await delay(1000);
if (client_up) {
mainWindow.loadURL(mainAddr);
}
}
})();
mainWindow.on('closed', function() {
mainWindow = null;
subpy.kill('SIGTERM');
if (address=='default') {
subpyserv.kill('SIGTERM');
}
})
});
mainWindow.once('ready-to-show', function() {
mainWindow.show();
});
}
openWindow();
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.addListener('beforeunload', (ev) => {
// Setting any value other than undefined here will prevent the window
// from closing or reloading
ev.returnValue = true;
});
app.whenReady().then(() => {
createWindow()
})
// Quit when all windows are closed.
app.on('window-all-closed', function() {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', function() {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow === null) {
createWindow()
}
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.