53 lines
1.3 KiB
C#
53 lines
1.3 KiB
C#
using System.Net;
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using System.Net.Sockets;
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namespace DemoAndroid;
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[Activity(Label = "WakeOnLanActivity")]
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public class WakeOnLanActivity : Activity
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{
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protected override void OnCreate(Bundle? savedInstanceState)
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{
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base.OnCreate(savedInstanceState);
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// Create your application here
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SetContentView(Resource.Layout.activity_wakeonlan);
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var button = FindViewById<Button>(Resource.Id.btnWakeOnLan);
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button.Click += (sender, args) =>
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{
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WakePc();
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};
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}
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private void WakePc()
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{
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byte[] macAddress = { 0x2c, 0x4d, 0x54, 0x4d, 0x10, 0x0f };
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byte[] magicPacket = new byte[102];
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// Fill first 6 bytes with 0xFF
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for (int i = 0; i < 6; i++)
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{
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magicPacket[i] = 0xFF;
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}
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// Repeat MAC address 16 times
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for (int i = 1; i <= 16; i++)
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{
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for (int j = 0; j < 6; j++)
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{
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magicPacket[i * 6 + j] = macAddress[j];
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}
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}
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using var client = new UdpClient();
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client.EnableBroadcast = true;
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var endpoint = new IPEndPoint(IPAddress.Broadcast, 9); // 255.255.255.255 port 9
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for (int i = 0; i < 5; i++)
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{
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// Try 5 times
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client.Send(magicPacket, magicPacket.Length, endpoint);
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}
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}
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} |