WebSocket Connection Management Workflow
Implement WebSocket connection lifecycle management with reconnection, heartbeat, and graceful shutdown for reliable real-time communication.
Objective
Build a robust WebSocket client that handles disconnections and reconnections transparently.
Environment
- A WebSocket server endpoint
- A client application needing real-time updates
- A reconnection strategy with exponential backoff
Steps
1. Implement heartbeat
Add a ping-pong heartbeat to detect dead connections within 30 seconds.
Expected state: Dead connections are detected and closed.
2. Add reconnection
Implement automatic reconnection with exponential backoff after disconnection.
Expected state: The client reconnects automatically after network interruptions.
3. Handle messages
Add message queuing during disconnection and flush on reconnect.
Expected state: Messages sent during disconnection are delivered after reconnection.
4. Graceful shutdown
Implement clean connection closure on page unload or app shutdown.
Expected state: Connections are closed cleanly without orphaned sockets.
Decision points
How many reconnection attempts?
- Unlimited with backoff
- Limited with user notification
Use unlimited attempts with exponential backoff; notify the user after repeated failures.
Expected outcome
WebSocket connections are managed with heartbeat, reconnection, and graceful shutdown for reliable communication.
Verification
Disconnect the network and verify the client reconnects; close the app and confirm no orphaned connections on the server.
Cleanup
Clean up WebSocket connections on page unload to avoid server-side resource leaks.
Connections fail; plan for it
Network connections are unreliable by default. Heartbeats detect failures early, and reconnection strategies recover automatically.
Implementation Notes
This workflow provides a structured approach to ensure consistent results across team members and environments.
Common Pitfalls
Skipping verification steps or rushing through the process can lead to incomplete results. Always follow each step in order and verify before proceeding.
Quick Reference
# Execute the workflow steps as documented above
echo "Workflow completed successfully"