/// <summary>
/// 客户端通讯回调函数
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
LeafTCPClient client = (LeafTCPClient)ar.AsyncState;
int i = 0;
if (client.NetWork.Connected)
{
NetworkStream ns = client.NetWork.GetStream();
try
{
i = ns.EndRead(ar);
}
catch (IOException ex)
{
MessageBox.Show("" + ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
byte[] recdata = new byte[i];
if (recdata.Length > 0)
{
Array.Copy(client.buffer, recdata, recdata.Length);
if (DataReceived != null)
{
DataReceived.BeginInvoke(client.Name, recdata, null, null);//异步输出数据
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
}
/// <summary>
/// 连接新的服务端
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnConn_Click(object sender, EventArgs e)
{
LeafTCPClient client = new LeafTCPClient();
try
{
client.NetWork = new TcpClient();
client.NetWork.Connect(txtServerIP.Text.Trim(), (int)nmServerPort.Value);//连接服务端
client.SetName();
client.NetWork.GetStream().BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
lstClient.Add(client);
BindLstClient();
LogHelper.WriteLog("TCP Client Connect: " + txtServerIP.Text);
}
catch (Exception ex)
{
client.DisConnect();
if (LanguageSet.Language == "0")
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
/// <summary>
/// 对当前选中的客户端发送数据
/// </summary>
/// <param name="sender"></param>
/// <param name="data"></param>
public bool SendData(byte[] data)
{
if (lstConn.SelectedItems.Count > 0)
{
for (int i = 0; i < lstConn.SelectedItems.Count; i++)
{
LeafTCPClient selClient = (LeafTCPClient)lstConn.SelectedItems[i];
try
{
selClient.NetWork.GetStream().Write(data, 0, data.Length);
}
catch (Exception ex)
{
MessageBox.Show(selClient.Name + ":" + ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
return(true);
}
else
{
MessageBox.Show("无可用客户端", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
/// <summary>
/// 客户端通讯回调函数
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
LeafTCPClient client = (LeafTCPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
NetworkStream ns = client.NetWork.GetStream();
byte[] recdata = new byte[ns.EndRead(ar)];
if (recdata.Length > 0)
{
Array.Copy(client.buffer, recdata, recdata.Length);
if (DataReceived != null)
{
DataReceived.BeginInvoke(client.Name, recdata, null, null);//异步输出数据
}
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
}
/// <summary>
/// 客户端连接初始化
/// </summary>
/// <param name="o"></param>
private void Acceptor(IAsyncResult o)
{
TcpListener server = o.AsyncState as TcpListener;
try
{
//初始化连接的客户端
LeafTCPClient newClient = new LeafTCPClient();
newClient.NetWork = server.EndAcceptTcpClient(o);
lstClient.Add(newClient);
BindLstClient();
newClient.NetWork.GetStream().BeginRead(newClient.buffer, 0, newClient.buffer.Length, new AsyncCallback(TCPCallBack), newClient);
server.BeginAcceptTcpClient(new AsyncCallback(Acceptor), server);//继续监听客户端连接
}
catch (ObjectDisposedException ex)
{ //监听被关闭
}
catch (Exception ex)
{
if (LanguageSet.Language == "0")
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
/// <summary>
/// 客户端通讯回调函数
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
LeafTCPClient client = (LeafTCPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
try
{
NetworkStream ns = client.NetWork.GetStream();
byte[] recdata = new byte[ns.EndRead(ar)];
if (recdata.Length > 0)
{
Array.Copy(client.buffer, recdata, recdata.Length);
if (DataReceived != null)
{
DataReceived.BeginInvoke(client.Name, recdata, null, null);//异步输出数据
}
LogHelper.WriteLog("TCP Server Received: " + Encoding.Default.GetString(recdata));
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
catch (Exception ex)
{
if (LanguageSet.Language == "0")
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
client.DisConnect();
lstClient.Remove(client);
BindLstClient();
}
}
}
/// <summary>
/// 对当前选中的客户端发送数据
/// </summary>
/// <param name="sender"></param>
/// <param name="data"></param>
public bool SendData(byte[] data)
{
if (lstConn.SelectedItems.Count > 0)
{
for (int i = 0; i < lstConn.SelectedItems.Count; i++)
{
LeafTCPClient selClient = (LeafTCPClient)lstConn.SelectedItems[i];
try
{
selClient.NetWork.GetStream().Write(data, 0, data.Length);
LogHelper.WriteLog("TCP Server Send date:" + Encoding.Default.GetString(data));
}
catch (Exception ex)
{
if (LanguageSet.Language == "0")
{
MessageBox.Show(selClient.Name + ":" + ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show(selClient.Name + ":" + ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(false);
}
}
return(true);
}
else
{
if (LanguageSet.Language == "0")
{
MessageBox.Show("无可用客户端", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show("No client available", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(false);
}
}
/// <summary>
/// 回调函数
/// </summary>
/// <param name="ar"></param>
private void TCPCallBack(IAsyncResult ar)
{
LeafTCPClient client = (LeafTCPClient)ar.AsyncState;
if (client.NetWork.Connected)
{
NetworkStream ns = client.NetWork.GetStream();
byte[] recdata = new byte[ns.EndRead(ar)];
Array.Copy(client.buffer, recdata, recdata.Length);
if (recdata.Length > 0)
{
txtCmd.Invoke(new MethodInvoker(delegate
{
txtCmd.AppendText(Encoding.GetEncoding("gb2312").GetString(recdata));
}));
ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
}
else
{
client.DisConnect();
}
}
}