57 lines
1018 B
Go
57 lines
1018 B
Go
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package handlers
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import (
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"encoding/json"
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"log"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/websocket/v2"
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)
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var (
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subscribers = make(map[*websocket.Conn]bool)
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)
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func wsRouter(router fiber.Router) error {
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router.Use("/", upgradeWebsocket)
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router.Get("/", websocket.New(handleWebsocket))
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return nil;
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}
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func upgradeWebsocket(c *fiber.Ctx) error {
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if websocket.IsWebSocketUpgrade(c) {
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c.Locals("allowed", true)
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return c.Next()
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}
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return fiber.ErrUpgradeRequired
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}
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func handleWebsocket(c *websocket.Conn) {
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subscribers[c] = true
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defer func() {
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delete(subscribers, c)
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c.Close()
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}()
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for {
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_, _, err := c.ReadMessage()
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if err != nil {
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return
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}
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}
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}
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func publish(content fiber.Map) {
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jsonMessage, err := json.Marshal(content)
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if err != nil {
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log.Println("Error marshalling JSON:", err)
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return
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}
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for s := range subscribers {
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if err := s.WriteMessage(websocket.TextMessage, jsonMessage); err != nil {
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log.Println("Error writing to websocket:", err)
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s.Close()
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}
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}
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}
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