54 lines
967 B
Go
54 lines
967 B
Go
package handlers
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import (
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"encoding/json"
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"net"
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"net/http"
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"slideshowApp/env"
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)
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// Helper to get the local network IP address
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func GetLocalIP() string {
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if env.Host.GetValue() != "0.0.0.0" && env.Host.GetValue() != "localhost" {
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return env.Host.GetValue()
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}
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if ip := getActiveIP(); ip != "" {
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return ip
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}
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return "localhost"
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}
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func getActiveIP() string {
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conn, err := net.Dial("udp", "8.8.8.8:80")
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if err != nil {
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return ""
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}
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defer conn.Close()
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addr := conn.LocalAddr()
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if udpAddr, ok := addr.(*net.UDPAddr); ok {
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return udpAddr.IP.String()
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}
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return ""
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}
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func InfoHandler(w http.ResponseWriter, r *http.Request) {
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port := env.Port.GetValue()
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if port == "" {
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port = "8080"
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}
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speed := env.IntervalDefault.GetValue()
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if speed == "" {
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speed = "10"
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}
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data := map[string]string{
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"ip": GetLocalIP(),
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"port": port,
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"speed": speed,
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}
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json.NewEncoder(w).Encode(data)
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}
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