63 lines
1.2 KiB
Go
Executable File
63 lines
1.2 KiB
Go
Executable File
package main
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import (
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"log"
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"math/rand"
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"net/http"
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"time"
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"github.com/gorilla/websocket"
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)
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var upgrader = websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool {
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return true // Allow all connections
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},
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}
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func handleWebSocket(w http.ResponseWriter, r *http.Request) {
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conn, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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log.Println("Upgrade error:", err)
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return
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}
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defer conn.Close()
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ticker := time.NewTicker(1 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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// Generate random number between 1 and 100
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randomNumber := rand.Intn(100) + 1
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// Send the number to the client
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err := conn.WriteJSON(map[string]int{
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"value": randomNumber,
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})
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if err != nil {
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log.Println("Write error:", err)
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return
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}
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}
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}
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}
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func main() {
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// Initialize random seed
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rand.Seed(time.Now().UnixNano())
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// Serve static files
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fs := http.FileServer(http.Dir("./frontend/dist"))
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http.Handle("/", fs)
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// WebSocket endpoint
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http.HandleFunc("/go/ws", handleWebSocket)
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log.Println("Server starting on :8080...")
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log.Fatal(http.ListenAndServe(":8080", nil))
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} |