61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
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using System;
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using System.Net;
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namespace Lidgren.Network
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{
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public partial class NetPeer
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{
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/// <summary>
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/// Emit a discovery signal to all hosts on your subnet
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/// </summary>
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public void DiscoverLocalPeers(int serverPort)
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{
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NetOutgoingMessage om = CreateMessage(0);
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om.m_messageType = NetMessageType.Discovery;
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m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(new IPEndPoint(IPAddress.Broadcast, serverPort), om));
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}
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/// <summary>
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/// Emit a discovery signal to a single known host
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/// </summary>
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public bool DiscoverKnownPeer(string host, int serverPort)
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{
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IPAddress address = NetUtility.Resolve(host);
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if (address == null)
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return false;
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DiscoverKnownPeer(new IPEndPoint(address, serverPort));
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return true;
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}
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/// <summary>
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/// Emit a discovery signal to a single known host
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/// </summary>
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public void DiscoverKnownPeer(IPEndPoint endPoint)
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{
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NetOutgoingMessage om = CreateMessage(0);
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om.m_messageType = NetMessageType.Discovery;
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m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(endPoint, om));
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}
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/// <summary>
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/// Send a discovery response message
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/// </summary>
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public void SendDiscoveryResponse(NetOutgoingMessage msg, IPEndPoint recipient)
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{
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if (recipient == null)
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throw new ArgumentNullException("recipient");
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if (msg == null)
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msg = CreateMessage(0);
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else if (msg.m_isSent)
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throw new NetException("Message has already been sent!");
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if (msg.LengthBytes >= m_configuration.MaximumTransmissionUnit)
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throw new NetException("Cannot send discovery message larger than MTU (currently " + m_configuration.MaximumTransmissionUnit + " bytes)");
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msg.m_messageType = NetMessageType.DiscoveryResponse;
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m_unsentUnconnectedMessages.Enqueue(new NetTuple<IPEndPoint, NetOutgoingMessage>(recipient, msg));
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}
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}
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}
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