/// <summary>
/// 重新连接方法
/// </summary>
internal void Reconnect()
{
string temp = string.Format("TCP主机地址：{0}，端口号：{1}", ServerIp, ServerPort); //TCP连接的主机地址与端口
LastErrorMessage = "TCP连接意外断开，正在尝试重连。" + temp;
//FileClient.WriteFailureInfo(LastErrorMessage);
try
{
BaseClient.Close();
BaseClient = HoldLocalPort ? new TcpClient(LocalEndPoint) : new TcpClient();
BaseClient.Connect(ServerIp, ServerPort);
SetName();
//重连次数+1，同时调用事件委托
ReconnTimer++;
if (ReconnTimerChanged != null)
{
ReconnTimerChanged.BeginInvoke(Name, ReconnTimer, null, null);
}
NetStream = BaseClient.GetStream();
if (AutoReceive)
{
NetStream.BeginRead(Buffer, 0, Buffer.Length, new AsyncCallback(TcpCallBack), this);
}
//FileClient.WriteFailureInfo("TCP重新连接成功。" + temp);
}
//假如出现异常，将错误信息写入日志并进入下一次循环
catch (Exception e)
{
LastErrorMessage = string.Format("TCP重新连接失败：{0}。", e.Message) + temp;
}
}
/// <summary>
/// UDP重新连接方法
/// </summary>
private void TcpAutoReconnect()
{
while (true)
{
Thread.Sleep(1000);
//假如属性提示未连接，则UDP重连线程挂起
if (!IsConnected)
{
Auto_UdpReconnect.WaitOne();
}
//假如属性提示已连接但实际上连接已断开，尝试重连
//else if (IsConnected && !IsSocketConnected())
else if (IsConnected && !IsConnected_Socket)
{
string temp = string.Format("UDP主机地址：{0}，端口号：{1}", ServerIp, ServerPort); //UDP连接的主机地址与端口
LastErrorMessage = "UDP连接意外断开，正在尝试重连。" + temp;
FileClient.WriteFailureInfo(LastErrorMessage);
try
{
BaseClient.Close();
BaseClient = HoldLocalPort ? new UdpClient(LocalEndPoint) : new UdpClient();
BaseClient.Connect(ServerIp, ServerPort);
SetName();
//重连次数+1，同时调用事件委托
ReconnTimer++;
if (ReconnTimerChanged != null)
{
ReconnTimerChanged.BeginInvoke(Name, ReconnTimer, null, null);
}
if (Connected != null)
{
Connected.BeginInvoke(Name, new EventArgs(), null, null);
}
//NetStream = BaseClient.GetStream();
if (AutoReceive)
{
BaseClient.BeginReceive(new AsyncCallback(ReceiveCallBack), this);
}
//NetStream.BeginRead(Buffer, 0, Buffer.Length, new AsyncCallback(TcpCallBack), this);
//IsSocketConnected();
FileClient.WriteFailureInfo("UDP重新连接成功。" + temp);
}
//假如出现异常，将错误信息写入日志并进入下一次循环
catch (Exception e)
{
LastErrorMessage = string.Format("UDP重新连接失败：{0}。", e.Message) + temp;
FileClient.WriteExceptionInfo(e, LastErrorMessage, false);
continue;
//TODO: 是否抛出异常？
//throw; //假如不需要抛出异常，注释此句
}
}
}
}
/// <summary>
/// 利用特定的本地端口与TCP服务端连接
/// </summary>
/// <param name="server">TCP服务端IP</param>
/// <param name="port">端口号</param>
/// <param name="localIp">本地IP</param>
/// <param name="localPort">指定的本地端口（假如小于等于0则随机）</param>
/// <returns>假如建立连接成功，返回1，否则返回0</returns>
public int Connect(string server, int port, string localIp, int localPort)
{
//尝试建立连接
int result = 1;
try
{
ServerIp = server;
ServerPort = port;
//BaseClient = new TcpClient(ServerIp, ServerPort);
BaseClient = !string.IsNullOrWhiteSpace(localIp) && localPort > 0 ? new TcpClient(new IPEndPoint(IPAddress.Parse(localIp), localPort)) : new TcpClient();
BaseClient.Connect(ServerIp, ServerPort);
SetName(); //修改连接名称
//重置重连次数，同时调用事件委托
ReconnTimer = 0;
if (ReconnTimerChanged != null)
{
ReconnTimerChanged.BeginInvoke(Name, ReconnTimer, null, null);
}
BaseClient.ReceiveBufferSize = ReceiveBufferSize; //接收缓冲区的大小
NetStream = BaseClient.GetStream(); //发送与接收数据的数据流对象
raiser.Run();
}
catch (Exception e)
{
LastErrorMessage = string.Format("无法建立TCP连接，IP{0}，端口号{1}：{2}", ServerIp, ServerPort, e.Message);
if (logging)
{
FileClient.WriteExceptionInfo(e, LastErrorMessage, false);
}
Close();
result = 0;
throw; //假如不需要抛出异常，注释此行
}
IsConnected = BaseClient.Connected;
IsSocketConnected();
if (IsConnected)
{
//调用Tcp连接事件委托
if (Connected != null)
{
Connected.BeginInvoke(Name, (new EventArgs()), null, null);
}
if (Thread_TcpReconnect == null)
{
Auto_TcpReconnect = new AutoResetEvent(true);
Thread_TcpReconnect = new Thread(new ThreadStart(TcpAutoReconnect))
{
IsBackground = true
};
//Thread_TcpReconnect.IsBackground = true;
Thread_TcpReconnect.Start();
}
else
{
Auto_TcpReconnect.Set();
}
if (AutoReceive)
{
NetStream.BeginRead(Buffer, 0, Buffer.Length, new AsyncCallback(TcpCallBack), this);
}
}
return(result);
}
