How do I debug a WebSocket connection?
WebSocket debugging in Chrome
- Open Developer Tools by selecting “More Tools” > “Developer Tools”.
- Select the Network tab.
- Browse or reload the page you want to debug.
- You will see a series of prompts in the window.
- All established WebSocket connections will be displayed here.
Table of Contents
How do I debug a webview?
Try this:
- Enable developer options on the device (Settings–>About phone–>Tap 7 times on the build number)
- Turn on developer options and enable USB debugging (in Developer Options)
- Add this line in your custom application class or activity where the webview is loaded.
- Click inspect to debug it.
How can I monitor WebSocket traffic?
Inspecting WebSocket traffic with Chrome Developer Tools
- Make sure your Chrome version is 58+.
- Go to the Echo demo, hosted on the websocket.org site.
- Turn on Chrome Developer Tools.
- Click Network, and to filter the traffic displayed by the developer tools, click WS.
- On the Echo demo, click Connect.
Where is the WebSocket traffic in Chrome?
Chrome DevTools: View WebSocket Messages Interactively
- Open the Filter menu in the Network Panel.
- Select the WS filter.
- Select any WebSocket resource.
- Open the Messages panel.
What is WebView debugging?
Enable WebView debugging in your native Android app; debug WebViews in Chrome DevTools. Debugging WebViews is the same as debugging a web page through remote debugging.
How can I tell if a site is using WebSockets?
You can open the chrome console (CTRL+SHIFT+J), then under the network tab you will find the currently open websockets and you can see the frames that have been exchanged with the server.
How do I find WebSockets?
What is a websocket API?
The WebSocket API is an advanced technology that makes it possible to open a two-way interactive communication session between a user’s browser and a server. With this API, you can send messages to a server and receive responses based on events without having to poll the server for a response.
How do I check the status of my WebSocket?
You can also inspect WebSocket messages using your browser… Instructions
- Click the Connect button.
- Once connected, enter a message and press the Send button. The result will appear in the Registry section. You can change the message and send it again several times.
- Press the Disconnect button.
How can I tell if my WebSocket is using binary frames?
Click on the Messages sub-tab. Binary frames will display with a length and timestamp and indicate whether they are masked. Text frames will be displayed that also contain the content of the payload. If your WebSocket connection uses binary frames, you’ll probably want to use Wireshark to debug the connection.
What is the best way to debug WebSocket in Chrome?
If your WebSocket connection uses binary frames, you’ll probably want to use Wireshark to debug the connection. Wireshark 1.8.0 added dissector and filtering support for WebSockets. An alternative can be found in this other answer. Chrome Canary and Chromium now have the WebSocket message frame inspection feature.
How does the websocket.send() method work?
The WebSocket.send() method queues the specified data for transmission to the server over the WebSocket connection, increasing the value of bufferedAmount by the number of bytes needed to hold the data. If the data cannot be sent (for example, because it needs to be buffered but the buffer is full), the socket is automatically closed.
How to debug WebSocket traffic with fiddler-codeproject?
All frames are captured and displayed in the main Fiddler window automatically without manual reloading. CPU usage for Fiddler will remain low for high volume of traffic. How does it work? 1. Download Fiddler Web Debugger (v4.4.5.9) 2. Open Fiddler -> Rules -> Customize Rules… -> This will open FiddlerScript