/// <summary>
/// 向指定客户端发送数据(基础)
/// </summary>
/// <param name="iClient">客户端</param>
/// <param name="data">字节数组数据</param>
public void SendData(IClient iClient, byte[] data)
{
try
{
if (iClient != null)
{
//异步发送数据
//cModel.ClientSocket.Send(data);
iClient.WorkSocket.BeginSend(data, 0, data.Length, 0, new AsyncCallback(SendCallback), iClient);
iClient.BufferInfo.SendBuffer = data;
TcpServerGetLog(iClient, LogType.SendData, DataToolManager.HexByteArrayToString(data));
}
}
catch (SocketException ex)
{
if (iClient == null)
{
ClientSocketList.Remove(iClient);
TcpServerReturnClientCount(ClientSocketList.Count);
return;
}
ShutdownClient(iClient);
TcpServerOfflineClient(iClient);
TcpServerErrorMsg(string.Format("向客户端发送数据时发生错误，错误原因：{0}", ex.Message));
TcpServerGetLog(iClient, LogType.SendData, ex.Message);
ClientSocketList.Remove(iClient);
TcpServerReturnClientCount(ClientSocketList.Count);
}
}
/// <summary>
/// 异步接收数据
/// </summary>
/// <param name="ar"></param>
private void ClientReadCallback(IAsyncResult ar)
{
IClient iClient = (IClient)ar.AsyncState;
try
{
int bytesRead = iClient.WorkSocket.EndReceive(ar);
if (bytesRead > 0)
{
//byte[] haveDate = ReceiveDateOne.DateOneManage(iClient, bytesRead);//接收完成之后对数组进行重置
byte[] bytes = new byte[bytesRead];
Array.Copy(iClient.BufferInfo.ReceivedBuffer, 0, bytes, 0, bytesRead);
string clientRecevieStr = "";
#region WebSocket验证
//验证websocket握手协议
if (iClient != null && iClient.ClientStyle != ClientStyle.WebSocket)
{
clientRecevieStr = ASCIIEncoding.Default.GetString(iClient.BufferInfo.ReceivedBuffer, 0, bytesRead);
//如果客户端不存在则退出检测
WebSocketHandShake(iClient, clientRecevieStr, bytes);
}
if (iClient.ClientStyle == ClientStyle.WebSocket)
{
string webstr = AnalyticData(bytes, bytes.Length);
clientRecevieStr = webstr;
bytes = Encoding.Default.GetBytes(clientRecevieStr);
}
#endregion
TcpServerRecevice(iClient, bytes);
TcpServerGetLog(iClient, LogType.ReceviedData, DataToolManager.HexByteArrayToString(bytes));
iClient.WorkSocket.BeginReceive(iClient.BufferInfo.ReceivedBuffer, 0,
iClient.BufferInfo.ReceivedBuffer.Length, 0,
new AsyncCallback(ClientReadCallback), iClient);
}
else if (bytesRead == 0)
{
//接收数据长度为0时，标示客户单下线
if (iClient != null)
{
ShutdownClient(iClient);
TcpServerStateInfo(iClient, string.Format("<{0}：{1}>---下线", iClient.Ip, iClient.Port),
SocketState.ClientOnOff);
RemoveClient(iClient, "客户端下线");
TcpServerOfflineClient(iClient);
ClientSocketList.Remove(iClient);
TcpServerReturnClientCount(ClientSocketList.Count);
}
}
}
catch (Exception ex)
{
TcpServerErrorMsg(string.Format("接收客户端数据时发生错误，错误原因：{0}", ex.Message));
int i = ex.Message.IndexOf("远程主机强迫关闭了一个现有的连接");
if (iClient != null && i != -1)
{
RemoveClient(iClient, ex.Message);
}
iClient = null;
}
}