WebSockets in iOS

WebSockets

• WebSocket - Wikipedia

• RFC 6455 - The WebSocket Protocol

• The WebSocket API (WebSockets) - Web APIs | MDN

• WebSocket - Web APIs | MDN

• WebSocket, Shrek, and AsyncAPI - An Opinionated Intro | AsyncAPI Initiative for event-driven APIs

Exploring Kraken Websockets API using websocat CLI

WebSockets in iOS

• Real time data exchange using web sockets in iOS 13 – Donny Wals

• An Introduction to WebSockets | raywenderlich.com by Jari Koopman: Learn about WebSockets using Swift and Vapor by building a question and answer client and server app (subscription only).

• A good summary Websockets in iOS 13 using Swift and Xcode 11 | Kristaps Grinbergs

• WebSockets on iOS using URLSessionWebSocketTask

• Awaiting WebSockets in SwiftUI using AsyncSequence

• URLSessionWebSocketTask | Apple Developer Documentation

• webSocketTask(with:) | Apple Developer Documentation

To add custom protocols, add a header with the key Sec-WebSocket-Protocol, and a comma-separated list of protocols you want to negotiate with the server. The custom HTTP headers provided by the client remain unchanged for the handshake with the server.

Local Servers with WebSockets

• Using WebSockets on Heroku with Node.js | Heroku Dev Center

Echo WebSockets and Other Tools

• WebSocket King client: A testing and debugging tool for WebSockets

• Echo and how setup your own echo.websocket.org no longer available

• vi/websocat: Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions

• Online WebSocket & Socket.io Tester - PieSocket Realtime

Gists and Libraries

• A publisher that delivers the messages from a WebSocket. · GitHub

• GitHub - shareup/websocket-apple

SO

• websocket - Swift5 - URLSessionWebSocketTask - response to ping from server with client pong - Stack Overflow

• ios - How can I detect a server ping using URLSessionWebSocketTask? - Stack Overflow

• swift - iOS 13 URLSessionWebSocketTask Current Connection Status - Stack Overflow

• Unanswered ios - URLSessionWebSocketTask.receive() doesn’t throw on cancel() - Stack Overflow

• URSession.shared vs URLSession(configuration: .default) - Stack Overflow

WebSockets APIs

• Kraken Websockets API documentation

• Gemini WebSocket API Reference

• WebSocket API - CEX.IO