+
+ // First things first, tell the client their name (if any)
+ if (socket.request.session.name) {
+ socket.emit('inform-name', socket.request.session.name);
+ }
+
+ // Replay old comments and images to a newly-joining client
+ socket.emit('reset');
+ state.images.forEach((image) => {
+ socket.emit('image', image)
+ });
+ state.comments.forEach((comment) => {
+ socket.emit('comment', comment)
+ });
+
+ socket.on('set-name', (name) => {
+ console.log("Received set-name event: " + name);
+ socket.request.session.name = name;
+ socket.request.session.save();
+ });
+
+ // When any client comments, send that to all clients (including sender)
+ socket.on('comment', (comment) => {
+ comment.name = socket.request.session.name;
+ io.emit('comment', comment);
+ state.comments.push(comment);
+ });
+
+ // Generate an image when requested
+ socket.on('generate', (request) => {
+ console.log(`Generating image with code=${request['code']} and prompt=${request['prompt']}`);
+ async function generate_image(code, prompt) {
+ var promise;
+ if (code) {
+ promise = execFile(python_path, [generate_image_script, `--seed=${code}`, prompt])
+ } else {
+ promise = execFile(python_path, [generate_image_script, prompt])
+ }
+ const child = promise.child;
+ child.stdout.on('data', (data) => {
+ const images = JSON.parse(data);
+ images.forEach((image) => {
+ image.index = state.images.length;
+ io.emit('image', image);
+ state.images.push(image);
+ });
+ });
+ child.stderr.on('data', (data) => {
+ console.log("Error occurred during generate-image: " + data);
+ });
+ try {
+ const { stdout, stderr } = await promise;
+ } catch(e) {
+ console.error(e);
+ }
+ socket.emit('generation-done');
+ }
+ generate_image(request['code'], request['prompt']);
+ });