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Client.cs
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Client.cs
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// Copyright 2017 Tim Oster. All rights reserved.
// Use of this source code is governed by the MIT license.
// More information can be found in the LICENSE file.
using System;
using System.Net;
using System.Net.Sockets;
#pragma warning disable 649
namespace rmnp
{
public class Client : RMNP
{
// Server is the Connection to the server (nil if not connected).
public Connection Server;
// ServerConnect is called when a connection to the server was established.
public Action<Connection, byte[]> ServerConnect;
// ServerDisconnect is called when the server disconnected the client.
public Action<Connection, byte[]> ServerDisconnect;
// ServerTimeout is called when the connection to the server timed out.
public Action<Connection, byte[]> ServerTimeout;
// PacketHandler is called when packets arrive to handle the received data.
public Action<Connection, byte[], Connection.Channel> PacketHandler;
// NewClient creates and returns a new Client instance that will try to connect
// to the given server address. It does not connect automatically.
public Client(string server)
{
this.readFunc = (Socket socket, ref byte[] buffer, out int length, out IPEndPoint addr, out bool next) =>
{
try
{
length = socket.Receive(buffer);
addr = this.Address;
next = true;
}
catch
{
length = 0;
addr = null;
next = false;
}
};
this.writeFunc = (Socket socket, IPEndPoint addr, ref byte[] buffer) =>
{
socket.SendTo(buffer, addr);
};
this.OnConnect = (connection, packet) =>
{
if (this.ServerConnect != null) this.ServerConnect(connection, packet);
};
this.OnDisconnect = (connection, packet) =>
{
if (this.ServerDisconnect != null) this.ServerDisconnect(connection, packet);
Background.Execute(() => this.Destroy());
};
this.OnTimeout = (connection, packet) =>
{
if (this.ServerTimeout != null) this.ServerTimeout(connection, packet);
};
this.OnValidation = (addr, packet) =>
{
return false;
};
this.OnPacket = (connection, packet, channel) =>
{
if (this.PacketHandler != null) this.PacketHandler(connection, packet, channel);
};
this.Init(server);
}
// Connect tries to connect to the server specified in the NewClient call. This call is async.
// On successful connection the Client.ServerConnect callback is invoked.
// If no connection can be established after CfgTimeoutThreshold milliseconds
// Client.ServerTimeout is called.
public void Connect(byte[] data)
{
this.SetSocket(new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp));
this.Listen();
this.Server = this.ConnectClient(this.Address, data);
this.Server.IsServer = true;
}
// Disconnect immediately disconnects from the server. It invokes no callbacks.
// This call could take some time because it waits for goroutines to exit.
public void Disconnect()
{
this.Destroy();
this.Server = null;
}
}
}
#pragma warning restore 649