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Targeted WebSocket Messaging in Go with Gorilla
In Go, leveraging websockets to establish real-time communication channels requires understanding how to send messages to specific clients. This article tackles this topic, delving into a scenario where a typeahead feature retrieves search results from a search engine and communicates them via websockets.
Unique Client Identification
To send messages to specific clients, the server must first uniquely identify them. In your case, you plan to add an Id field to the Client struct. This will serve as the unique identifier.
Hub Modifications
Modify the Hub struct in hub.go to handle targeted messaging.
Sending Targeted Messages
Client Modifications
Add an ID field to the Client struct in client.go and initialize it using the NewClient function.
Putting it all Together
Now that the Hub and Client types are updated, you can use them to establish socket connections and send messages to specific clients.
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