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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Text;
namespace OpenSim.Region.ScriptEngine.Common.TRPC
{
public class TCPClient : TCPCommon.ClientInterface
{
public TCPClient()
{
}
private readonly Dictionary<int, TCPSocket> Clients = new Dictionary<int, TCPSocket>();
private int ClientCount = 0;
public event TCPCommon.ClientConnectedDelegate ClientConnected;
public event TCPCommon.DataReceivedDelegate DataReceived;
public event TCPCommon.DataSentDelegate DataSent;
public event TCPCommon.CloseDelegate Close;
public event TCPCommon.ConnectErrorDelegate ConnectError;
/// <summary>
/// Creates client connection
/// </summary>
public void Connect(string RemoteHost, int RemotePort)
{
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipe = new IPEndPoint(IPAddress.Parse(RemoteHost), RemotePort);
//newsock.BeginConnect(ipe, new AsyncCallback(asyncConnected), newsock);
newsock.Connect(ipe);
}
public int ConnectAndReturnID(string RemoteHost, int RemotePort)
{
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipe = new IPEndPoint(IPAddress.Parse(RemoteHost), RemotePort);
//newsock.BeginConnect(ipe, new AsyncCallback(asyncConnected), newsock);
newsock.Connect(ipe);
return ProcessConnection(newsock);
}
public void Disconnect(int ID)
{
Clients[ID].Disconnect();
}
void asyncConnected(IAsyncResult iar)
{
Socket client = (Socket)iar.AsyncState;
client.EndConnect(iar);
ProcessConnection(client);
}
private int ProcessConnection(Socket client)
{
try
{
int id = ClientCount++;
TCPSocket S = new TCPSocket(id, client);
// Add to dictionary
Clients.Add(id, S);
// Add event handlers
S.Close += new TCPSocket.CloseDelegate(S_Close);
S.DataReceived += new TCPSocket.DataReceivedDelegate(S_DataReceived);
S.DataSent += new TCPSocket.DataSentDelegate(S_DataSent);
// Start it
S.Start();
Debug.WriteLine("Connection established: " + client.RemoteEndPoint.ToString());
// Fire Connected-event
if (ClientConnected != null)
ClientConnected(id, client.RemoteEndPoint);
return id;
}
catch (SocketException sex)
{
if (ConnectError != null)
ConnectError(sex.Message);
}
return -1;
}
void S_DataSent(int ID, int length)
{
if (DataSent != null)
DataSent(ID, length);
}
void S_DataReceived(int ID, byte[] data, int offset, int length)
{
if (DataReceived != null)
DataReceived(ID, data, offset, length);
}
void S_Close(int ID)
{
if (Close != null)
Close(ID);
Clients.Remove(ID);
}
public void Send(int clientID, byte[] data, int offset, int len)
{
Clients[clientID].Send(clientID, data, offset, len);
}
}
}
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