/// <summary>
/// 获取指定主机的 Socket 连接
/// </summary>
/// <param name="host"></param>
/// <param name="port"></param>
/// <param name="trafficControl"></param>
/// <returns></returns>
public static SmsSocket Get(string host, int port, int trafficControl)
{
var key = host + port;
if (sockets.ContainsKey(key))
{
return(sockets[key]);
}
lock (locker)
{
if (sockets.ContainsKey(key))
{
return(sockets[key]);
}
var socket = new SmsSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, trafficControl);
socket.Connect(host, port);
sockets.Add(key, socket);
if (_log != null)
{
_log.InfoFormat("{0}-{1}：初始化连接", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffff"), key);
}
return(socket);
}
}
/// <summary>
/// 连接断开后只能重连
/// </summary>
/// <param name="socket"></param>
/// <returns></returns>
public static SmsSocket Reconnect(SmsSocket socket)
{
var newSocket = new SmsSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, socket.TrafficControl)
{
KeepAlive = socket.KeepAlive
};
newSocket.Connect(socket.RemoteEndPoint);
sockets[socket.RemoteEndPoint.ToString()] = newSocket;
return(newSocket);
}
/// <summary>
/// 连接断开后只能重连
/// </summary>
/// <param name="socket"></param>
/// <returns></returns>
public static SmsSocket Reconnect(SmsSocket socket)
{
lock (locker)
{
if (IsSocketConnected(socket))
{
return(socket);
}
else
{
int traffic = socket.TrafficControl;
var endpoint = socket.RemoteEndPoint;
var newSocket = new SmsSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, traffic)
{
KeepAlive = socket.KeepAlive
};
//连接之前断开之前的连接释放资源
socket.Shutdown(SocketShutdown.Both);
socket.Disconnect(true);
socket.Close();
newSocket.Connect(endpoint);
if (_log != null)
{
_log.InfoFormat("{0}：{1}重新建立连接", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffff"), endpoint.ToString());
}
sockets[endpoint.ToString()] = newSocket;
return(newSocket);
}
}
//if (!IsSocketConnected(socket))
//{
// int traffic = socket.TrafficControl;
// var endpoint = socket.RemoteEndPoint;
// var newSocket = new SmsSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, traffic)
// {
// KeepAlive = socket.KeepAlive
// };
// //socket.Shutdown(SocketShutdown.Both);
// //socket.Disconnect(true);
// //socket.Close();
// //newSocket.Connect(socket.RemoteEndPoint);
// newSocket.Connect(endpoint);
// if (_log != null)
// {
// _log.InfoFormat("{0}：{1}重新建立连接", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:ffff"), endpoint.ToString());
// }
// sockets[endpoint.ToString()] = newSocket;
// return newSocket;
//}
//return socket;
}
/// <summary>
/// 获取指定主机的 Socket 连接
/// </summary>
/// <param name="host"></param>
/// <param name="port"></param>
/// <param name="trafficControl"></param>
/// <returns></returns>
public static SmsSocket Get(string host, int port, int trafficControl)
{
var key = host + port;
if (sockets.ContainsKey(key))
{
return(sockets[key]);
}
lock (locker)
{
if (sockets.ContainsKey(key))
{
return(sockets[key]);
}
var socket = new SmsSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, trafficControl);
socket.Connect(host, port);
sockets.Add(key, socket);
return(socket);
}
}
/// <summary>
/// 判断socket是否连接
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static bool IsSocketConnected(SmsSocket s)
{
try
{
bool part1 = s.Poll(1000, SelectMode.SelectRead);
bool part2 = (s.Available == 0);
if (part1 && part2)
{
return(false);
}
else
{
return(true);
}
}
catch (Exception ex)
{
_log.ErrorFormat("socket连接异常：{0}", ex);
return(false);
}
//if (s == null)
// return false;
//return !((s.Poll(1000, SelectMode.SelectRead) && (s.Available == 0)) || !s.Connected);
}
