60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
package websocket
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import (
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"github.com/gorilla/websocket"
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"net"
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"net/http"
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"sync"
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"time"
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"git.smsvc.net/pomodoro/GoTomato/internal/helper"
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"git.smsvc.net/pomodoro/GoTomato/pkg/models"
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)
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// Clients is a map of connected WebSocket clients, where each client is represented by the WebsocketClient struct
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var Clients = make(map[net.Addr]*models.WebsocketClient)
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var mu sync.Mutex // Mutex to protect access to the Clients map
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// Upgrade HTTP requests to WebSocket connections
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var upgrader = websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool { return true },
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}
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// initialize a new WebsocketClient
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func newWebsocketClient(ws *websocket.Conn, address string) models.WebsocketClient {
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wsclient := models.WebsocketClient{
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Conn: ws,
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LastPong: time.Now(),
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RealIP: address,
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}
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wsclient.Conn.SetPongHandler(func(appData string) error {
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wsclient.LastPong = time.Now()
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return nil
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})
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return wsclient
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}
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// Upgrades HTTP requests to WebSocket connections and manages the client lifecycle
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func HandleConnection(w http.ResponseWriter, r *http.Request) {
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// Upgrade initial GET request to a WebSocket
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ws, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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helper.Logger.Error("WebSocket upgrade error:", "msg", err)
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return
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}
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defer ws.Close()
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// Register the new client
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client := newWebsocketClient(ws, r.RemoteAddr)
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mu.Lock()
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Clients[ws.LocalAddr()] = &client
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mu.Unlock()
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helper.Logger.Info("Client connected", "host", client.RealIP, "clients", len(Clients))
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// Listen for commands from the connected client
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handleClientCommands(client)
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}
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