Add proper processing of streaming aborting

poe-client.js

@@ -259,6 +259,7 @@ class Client {
     constructor(auto_reconnect = false, use_cached_bots = false) {
         this.auto_reconnect = auto_reconnect;
         this.use_cached_bots = use_cached_bots;
+        this.abortController = new AbortController();
     }
 
     async init(token, proxy = null) {
@@ -267,6 +268,7 @@ class Client {
             timeout: 60000,
             httpAgent: new http.Agent({ keepAlive: true }),
             httpsAgent: new https.Agent({ keepAlive: true }),
+            signal: this.abortController.signal,
         });
         if (proxy) {
             this.session.defaults.proxy = {
@@ -544,6 +546,8 @@ class Client {
         let messageId;
         while (true) {
             try {
+                this.abortController.signal.throwIfAborted();
+
                 const message = this.message_queues[humanMessageId].shift();
                 if (!message) {
                     await new Promise(resolve => setTimeout(() => resolve(), 1000));

public/script.js

@@ -1273,6 +1273,7 @@ class StreamingProcessor {
         this.isStopped = false;
         this.isFinished = false;
         this.generator = this.nullStreamingGeneration;
+        this.abortController = new AbortController();
     }
 
     async generate() {
@@ -1927,7 +1928,7 @@ async function Generate(type, automatic_trigger, force_name2) {
                 let prompt = await prepareOpenAIMessages(name2, storyString, worldInfoBefore, worldInfoAfter, afterScenarioAnchor, promptBias, type);
 
                 if (isStreamingEnabled()) {
-                    streamingProcessor.generator = await sendOpenAIRequest(prompt);
+                    streamingProcessor.generator = await sendOpenAIRequest(prompt, streamingProcessor.abortController.signal);
                 }
                 else {
                     sendOpenAIRequest(prompt).then(onSuccess).catch(onError);
@@ -1938,14 +1939,14 @@ async function Generate(type, automatic_trigger, force_name2) {
             }
             else if (main_api == 'poe') {
                 if (isStreamingEnabled()) {
-                    streamingProcessor.generator = await generatePoe(type, finalPromt);
+                    streamingProcessor.generator = await generatePoe(type, finalPromt, streamingProcessor.abortController.signal);
                 }
                 else {
                     generatePoe(type, finalPromt).then(onSuccess).catch(onError);
                 }
             }
             else if (main_api == 'textgenerationwebui' && textgenerationwebui_settings.streaming) {
-                streamingProcessor.generator = await generateTextGenWithStreaming(generate_data);
+                streamingProcessor.generator = await generateTextGenWithStreaming(generate_data, streamingProcessor.abortController.signal);
             }
             else {
                 jQuery.ajax({
@@ -5013,6 +5014,7 @@ $(document).ready(function () {
 
     $(document).on("click", ".mes_stop", function () {
         if (streamingProcessor) {
+            streamingProcessor.abortController.abort();
             streamingProcessor.isStopped = true;
             streamingProcessor.onStopStreaming();
             streamingProcessor = null;
@@ -5106,4 +5108,11 @@ $(document).ready(function () {
             }
         });
     });
+
+    $(document).on('beforeunload', () => {
+        if (streamingProcessor) {
+            console.log('Page reloaded. Aborting streaming...');
+            streamingProcessor.abortController.abort();
+        }
+    });
 })

public/scripts/openai.js

@@ -436,7 +436,12 @@ function getSystemPrompt(nsfw_toggle_prompt, enhance_definitions_prompt, wiBefor
     return whole_prompt;
 }
 
-async function sendOpenAIRequest(openai_msgs_tosend) {
+async function sendOpenAIRequest(openai_msgs_tosend, signal) {
+    // Provide default abort signal
+    if (!signal) {
+        signal = new AbortController().signal;
+    }
+
     if (oai_settings.reverse_proxy) {
         validateReverseProxy();
     }
@@ -459,7 +464,8 @@ async function sendOpenAIRequest(openai_msgs_tosend) {
         headers: {
             'Content-Type': 'application/json',
             "X-CSRF-Token": token,
-        }
+        },
+        signal: signal,
     });
 
     if (oai_settings.stream_openai) {

public/scripts/poe.js

@@ -86,7 +86,7 @@ function onBotChange() {
     saveSettingsDebounced();
 }
 
-async function generatePoe(type, finalPrompt) {
+async function generatePoe(type, finalPrompt, signal) {
     if (poe_settings.auto_purge) {
         let count_to_delete = -1;
 
@@ -136,7 +136,7 @@ async function generatePoe(type, finalPrompt) {
         finalPrompt = sentences.join('');
     }
 
-    const reply = await sendMessage(finalPrompt, true);
+    const reply = await sendMessage(finalPrompt, true, signal);
     got_reply = true;
     return reply;
 }
@@ -160,7 +160,11 @@ async function purgeConversation(count = -1) {
     return response.ok;
 }
 
-async function sendMessage(prompt, withStreaming) {
+async function sendMessage(prompt, withStreaming, signal) {
+    if (!signal) {
+        signal = new AbortController().signal;
+    }
+
     const body = JSON.stringify({
         bot: poe_settings.bot,
         token: poe_settings.token,
@@ -175,6 +179,7 @@ async function sendMessage(prompt, withStreaming) {
         },
         body: body,
         method: 'POST',
+        signal: signal,
     });
 
     if (withStreaming && poe_settings.streaming) {

public/scripts/textgen-settings.js

@@ -147,7 +147,7 @@ function setSettingByName(i, value, trigger) {
     }
 }
 
-async function generateTextGenWithStreaming(generate_data) {
+async function generateTextGenWithStreaming(generate_data, signal) {
     const response = await fetch('/generate_textgenerationwebui', {
         headers: {
             'X-CSRF-Token': token,
@@ -157,6 +157,7 @@ async function generateTextGenWithStreaming(generate_data) {
         },
         body: JSON.stringify(generate_data),
         method: 'POST',
+        signal: signal,
     });
 
     return async function* streamData() {

server.js

@@ -367,6 +367,10 @@ app.post("/generate_textgenerationwebui", jsonParser, async function (request, r
 
     if (!!request.header('X-Response-Streaming')) {
         const fn_index = Number(request.header('X-Gradio-Streaming-Function'));
+        let isStreamingStopped = false;
+        request.socket.on('close', function() {
+            isStreamingStopped = true;
+        });
 
         response_generate.writeHead(200, {
             'Content-Type': 'text/plain;charset=utf-8',
@@ -404,6 +408,12 @@ app.post("/generate_textgenerationwebui", jsonParser, async function (request, r
             });
 
             while (true) {
+                if (isStreamingStopped) {
+                    console.error('Streaming stopped by user. Closing websocket...');
+                    websocket.close();
+                    return null;
+                }
+
                 if (websocket.readyState == 0 || websocket.readyState == 1 || websocket.readyState == 2) {
                     await delay(50);
                     yield text;
@@ -1895,6 +1905,12 @@ app.post('/generate_poe', jsonParser, async (request, response) => {
     }
 
     if (streaming) {
+        let isStreamingStopped = false;
+        request.socket.on('close', function() {
+            isStreamingStopped = true;
+            client.abortController.abort();
+        });
+
         try {
             response.writeHead(200, {
                 'Content-Type': 'text/plain;charset=utf-8',
@@ -1904,6 +1920,11 @@ app.post('/generate_poe', jsonParser, async (request, response) => {
 
             let reply = '';
             for await (const mes of client.send_message(bot, prompt)) {
+                if (isStreamingStopped) {
+                    console.error('Streaming stopped by user. Closing websocket...');
+                    break;
+                }
+
                 let newText = mes.text.substring(reply.length);
                 reply = mes.text;
                 response.write(newText);
@@ -2135,6 +2156,11 @@ app.post("/generate_openai", jsonParser, function (request, response_generate_op
     if (!request.body) return response_generate_openai.sendStatus(400);
     const api_url = new URL(request.body.reverse_proxy || api_openai).toString();
 
+    const controller = new AbortController();
+    request.socket.on('close', function() {
+        controller.abort();
+    });
+
     console.log(request.body);
     const config = {
         method: 'post',
@@ -2153,7 +2179,8 @@ app.post("/generate_openai", jsonParser, function (request, response_generate_op
             "frequency_penalty": request.body.frequency_penalty,
             "stop": request.body.stop,
             "logit_bias": request.body.logit_bias
-        }
+        },
+        signal: controller.signal,
     };
 
     if (request.body.stream)