/// <summary>
/// 添加远程连接
/// </summary>
/// <param name="strIpAddress">远程连接地址</param>
/// <param name="port">远程连接端口</param>
public void Add(string strIpAddress, int port)
{
#region [判断要连接的列表中是否存在]
SocketPacket spCollect;
for (int i = 0; i < m_socketClientList.Count; i++)
{
spCollect = (SocketPacket)m_socketClientList[i];
if (spCollect.IpAddress.Equals(strIpAddress) && spCollect.ClientPort.Equals(port))
{
return;
}
}
spCollect = null;
#endregion [判断要连接的列表中是否存在]
#region [添加到要连接的服务器列表中]
SocketPacket sp = new SocketPacket();
sp.IpAddress = strIpAddress;
sp.ClientPort = port;
sp.ErrorShow = false;
sp.State = 0;
m_socketClientList.Add(sp);
#endregion [添加到要连接的服务器列表中]
//开始连接远程服务器
StartClient(sp);
}
/// <summary>
/// 开始连接远程服务器
/// </summary>
/// <param name="socketPacket">要连接的远程服务器包</param>
private void StartClient(SocketPacket socketPacket)
{
try
{
//设置指定的网络地址和端口号
IPAddress ipAddress = IPAddress.Parse(socketPacket.IpAddress);
IPEndPoint remoteEP = new IPEndPoint(ipAddress, socketPacket.ClientPort);
// 创建一个TCP/IP套接字对象.
socketPacket.CurrentSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 对远程主机开始异步连接.
socketPacket.CurrentSocket.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), socketPacket);
}
catch (SocketException e)
{
try
{
if (socketPacket.CurrentSocket != null)
{
socketPacket.CurrentSocket.Close();
socketPacket.CurrentSocket = null;
}
if (socketPacket.State == 1 && socketPacket.ErrorShow == false)
{
ErrorMessage(30001, e.StackTrace, "[Base_SocketClient:StartClient]", socketPacket.IpAddress + "未连接");
socketPacket.ErrorShow = true;
}
socketPacket.State = 2;
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 挂起等待接收数据线程
/// </summary>
/// <param name="socketPacket">远程连接对象包</param>
private void WaitForData(SocketPacket socketPacket)
{
try
{
if (m_pfnCallBack == null)
{
m_pfnCallBack = new AsyncCallback(OnDataReceived);
}
// 开始异步获取数据
socketPacket.DataBuffer = new byte[socketPacket.DataLength];
socketPacket.CurrentSocket.BeginReceive(socketPacket.DataBuffer, 0, socketPacket.DataBuffer.Length, SocketFlags.None, m_pfnCallBack, socketPacket);
}
catch (SocketException se)
{
try
{
if (socketPacket.CurrentSocket != null)
{
socketPacket.CurrentSocket.Close();
socketPacket.CurrentSocket = null;
}
if ((socketPacket.State == 0 || socketPacket.State == 2) && socketPacket.ErrorShow == false)
{
ErrorMessage(30003, se.StackTrace, "[Base_SocketClient:WaitForData]", socketPacket.IpAddress + "未连接");
socketPacket.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 重新连接远程主机
/// </summary>
private void Repeat()
{
while (true)
{
try
{
for (int i = 0; i < m_socketClientList.Count; i++)
{
SocketPacket s = (SocketPacket)m_socketClientList[i];
if (s.CurrentSocket == null || (s.CurrentSocket.Connected == false && s.State != 1))
{
if (s.CurrentSocket != null)
{
s.CurrentSocket.Close();
s.CurrentSocket = null;
}
s.State = 1;
StartClient(s);
}
}
}
catch
{ }
finally
{
//3s后重新连接
Thread.Sleep(3000);
}
}
}
/// <summary>
/// 结束挂起的异步发送
/// </summary>
/// <param name="ar">异步操作对象</param>
private void SendCallback(IAsyncResult ar)
{
SocketPacket sp_SendCallbace = new SocketPacket();
try
{
sp_SendCallbace = (SocketPacket)ar.AsyncState;
sp_SendCallbace.CurrentSocket.EndSend(ar);
}
catch (SocketException e)
{
try
{
if (sp_SendCallbace.CurrentSocket != null)
{
sp_SendCallbace.CurrentSocket.Close();
sp_SendCallbace.CurrentSocket = null;
}
if (sp_SendCallbace.State == 2 && !sp_SendCallbace.IpAddress.Equals("") && sp_SendCallbace.ErrorShow == false)
{
ErrorMessage(30005, e.StackTrace, "[Base_SocketClient:SendCallback]", sp_SendCallbace.IpAddress + "未连接");
sp_SendCallbace.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 结束挂起的连接请求
/// </summary>
/// <param name="ar">异步调用对象</param>
private void ConnectCallback(IAsyncResult ar)
{
//获取异步操作对象
SocketPacket socketPacket = (SocketPacket)ar.AsyncState;
try
{
// 与远程主机连接完成
socketPacket.CurrentSocket.EndConnect(ar);
if (socketPacket != null)
{
socketPacket.State = 2;
if (socketPacket.CurrentSocket != null && socketPacket.CurrentSocket.Connected)
{
ErrorMessage(30007, "", "[Base_SocketClient:ConnectCallback]", socketPacket.IpAddress + "已连接");
socketPacket.ErrorShow = false;
//等待接收数据
WaitForData(socketPacket);
}
}
}
catch (SocketException e)
{
try
{
if (socketPacket.CurrentSocket != null)
{
socketPacket.CurrentSocket.Close();
socketPacket.CurrentSocket = null;
}
if (socketPacket.State == 1 && socketPacket.ErrorShow == false)
{
ErrorMessage(30002, e.StackTrace, "[Base_SocketClient:ConnectCallback]", socketPacket.IpAddress + "未连接");
socketPacket.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
finally
{
if (socketPacket != null)
{
socketPacket.State = 2;
// if (socketPacket.CurrentSocket != null && socketPacket.CurrentSocket.Connected)
// {
// ErrorMessage(30007, "", "[Base_SocketClient:ConnectCallback]", socketPacket.IpAddress + "已连接");
// socketPacket.ErrorShow = false;
// //等待接收数据
// WaitForData(socketPacket);
// }
}
}
}
/// <summary>
///
/// </summary>
/// <param name="hostBacker"></param>
/// <param name="strpath"></param>
/// <param name="configpath"></param>
/// <param name="memStation"></param>
public TcpClientUpdateTimer(HostBack.DataSave sqlSave, string strpath, string configpath, SocketPacket[] socketPackets)
{
this.sqlSave = sqlSave;
this.TcpClientXmlFilePath = System.Windows.Forms.Application.StartupPath.ToString() + @"\" + strpath;
this.StationConfigFilePath = System.Windows.Forms.Application.StartupPath.ToString() + @"\" + configpath;
this.socketPackets = socketPackets;
timeTcpChange.Interval = 5000;
timeTcpChange.AutoReset = true;
timeTcpChange.Elapsed += new System.Timers.ElapsedEventHandler(timeTcpChange_Elapsed);
}
/// <summary>
/// 结束挂起的等待接收数据线程
/// </summary>
/// <param name="asyn">异步调用对象</param>
private void OnDataReceived(IAsyncResult asyn)
{
SocketPacket socketPacket_Received = null;
try
{
socketPacket_Received = (SocketPacket)asyn.AsyncState;
int iRx = socketPacket_Received.CurrentSocket.EndReceive(asyn);
if (iRx > 0)//屏蔽无效的空字节qyz 2012-11-30
{
// 获取得到的字符
byte[] bytes = new byte[iRx];
for (int i = 0; i < iRx; i++)
{
bytes[i] = socketPacket_Received.DataBuffer[i];
}
//调用数据获取事件
DataReceivedByAddress(bytes, socketPacket_Received.IpAddress);
}
}
catch (SocketException se)
{
try
{
if (socketPacket_Received.CurrentSocket != null)
{
socketPacket_Received.CurrentSocket.Close();
socketPacket_Received.CurrentSocket = null;
}
if ((socketPacket_Received.State == 0 || socketPacket_Received.State == 2) && socketPacket_Received.ErrorShow == false)
{
ErrorMessage(30004, se.StackTrace, "[Base_SocketClient:WaitForData]", socketPacket_Received.IpAddress + "未连接");
socketPacket_Received.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
finally
{
if (socketPacket_Received != null)
{
//继续等待数据
WaitForData(socketPacket_Received);
}
}
}
/// <summary>
/// 开始发送数据
/// </summary>
/// <param name="bytes">发送字节</param>
/// <param name="strIpAddress">发送的地址</param>
/// <param name="port">发送的端口</param>
public void Send(byte[] bytes, string strIpAddress, int port)
{
SocketPacket spCollect = new SocketPacket();
try
{
for (int i = 0; i < m_socketClientList.Count; i++)
{
spCollect = (SocketPacket)m_socketClientList[i];
if (spCollect.IpAddress.Equals(strIpAddress) && spCollect.ClientPort.Equals(port))
{
//开始异步发送数据
//if (spCollect.CurrentSocket != null)
//{
// spCollect.CurrentSocket.SendTimeout = 1800;
// spCollect.CurrentSocket.Blocking = false;
// spCollect.ReviceCount++;
// spCollect.CurrentSocket.BeginSend(bytes, 0, bytes.Length, 0, new AsyncCallback(SendCallback), spCollect);
//}
//break;
spCollect.CurrentSocket.BeginSend(bytes, 0, bytes.Length, 0, new AsyncCallback(SendCallback), spCollect);
break;
}
}
}
catch (SocketException ee)
{
try
{
if (spCollect.CurrentSocket != null)
{
spCollect.CurrentSocket.Close();
spCollect.CurrentSocket = null;
}
if (spCollect.State == 2 && !spCollect.IpAddress.Equals("") && spCollect.ErrorShow == false)
{
ErrorMessage(30005, ee.StackTrace, "[Base_SocketClient:Send]", spCollect.IpAddress + "未连接");
spCollect.ErrorShow = true;
}
}
catch { }
}
catch (Exception e)
{ }
}
/// <summary>
/// 初始化网络客户端连接
/// </summary>
/// <param name="socketPackets"></param>
/// <param name="iMark"></param>
public void InitTcpClientPort(SocketPacket[] socketPackets, int iMark)
{
InitSocket(socketPackets);
if (socketArrayList == null)
{
socketArrayList = new ArrayList();
}
m_TcpClientPort = new KJTcpClientPort(socketArrayList, 1, iMark);
m_TcpClientPort.DataReceived += new KJTcpClientPort.DataReceivedEventHandler(m_TcpClientPort_DataReceived);
m_TcpClientPort.ErrorMessage += new SocketClient.ErrorMessageEventHandler(m_TcpClientPort_ErrorMessage);
m_TcpClientPort.StationStateChanged += delegate(int index, int iAddress, int iState, string strStateRemark)
{
if (StationStateChanged != null)
{
StationStateChanged(index, iAddress, iState, strStateRemark);
}
};
m_TcpClientPort.MarkStateChanged += delegate(int index, int IsMark)
{
if (MarkStateChanged != null)
{
MarkStateChanged(index, IsMark);
}
};
}
/// <summary>
/// 挂起等待接收数据线程
/// </summary>
/// <param name="socketPacket">远程连接对象包</param>
private void WaitForData(SocketPacket socketPacket)
{
try
{
if (m_pfnCallBack == null)
{
m_pfnCallBack = new AsyncCallback(OnDataReceived);
}
// 开始异步获取数据
socketPacket.DataBuffer = new byte[socketPacket.DataLength];
socketPacket.CurrentSocket.BeginReceive(socketPacket.DataBuffer, 0, socketPacket.DataBuffer.Length, SocketFlags.None, m_pfnCallBack, socketPacket);
}
catch (SocketException se)
{
try
{
if (socketPacket.CurrentSocket != null)
{
socketPacket.CurrentSocket.Close();
socketPacket.CurrentSocket = null;
}
if ((socketPacket.State == 0 || socketPacket.State == 2) && socketPacket.ErrorShow == false)
{
ErrorMessage(30003, se.StackTrace, "[Base_SocketClient:WaitForData]", socketPacket.IpAddress + "未连接");
socketPacket.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 开始发送数据
/// </summary>
/// <param name="bytes">发送字节</param>
/// <param name="strIpAddress">发送的地址</param>
/// <param name="port">发送的端口</param>
public void Send(byte[] bytes, string strIpAddress, int port)
{
SocketPacket spCollect = new SocketPacket();
try
{
for (int i = 0; i < m_socketClientList.Count; i++)
{
spCollect = (SocketPacket)m_socketClientList[i];
if (spCollect.IpAddress.Equals(strIpAddress) && spCollect.ClientPort.Equals(port))
{
//开始异步发送数据
//if (spCollect.CurrentSocket != null)
//{
// spCollect.CurrentSocket.SendTimeout = 1800;
// spCollect.CurrentSocket.Blocking = false;
// spCollect.ReviceCount++;
// spCollect.CurrentSocket.BeginSend(bytes, 0, bytes.Length, 0, new AsyncCallback(SendCallback), spCollect);
//}
//break;
spCollect.CurrentSocket.BeginSend(bytes, 0, bytes.Length, 0, new AsyncCallback(SendCallback), spCollect);
break;
}
}
}
catch (SocketException ee)
{
try
{
if (spCollect.CurrentSocket != null)
{
spCollect.CurrentSocket.Close();
spCollect.CurrentSocket = null;
}
if (spCollect.State == 2 && !spCollect.IpAddress.Equals("") && spCollect.ErrorShow == false)
{
ErrorMessage(30005, ee.StackTrace, "[Base_SocketClient:Send]", spCollect.IpAddress + "未连接");
spCollect.ErrorShow = true;
}
}
catch { }
}
catch (Exception e)
{ }
}
/// <summary>
/// 结束挂起的异步发送
/// </summary>
/// <param name="ar">异步操作对象</param>
private void SendCallback(IAsyncResult ar)
{
SocketPacket sp_SendCallbace = new SocketPacket();
try
{
sp_SendCallbace = (SocketPacket)ar.AsyncState;
sp_SendCallbace.CurrentSocket.EndSend(ar);
}
catch (SocketException e)
{
try
{
if (sp_SendCallbace.CurrentSocket != null)
{
sp_SendCallbace.CurrentSocket.Close();
sp_SendCallbace.CurrentSocket = null;
}
if (sp_SendCallbace.State == 2 && !sp_SendCallbace.IpAddress.Equals("") && sp_SendCallbace.ErrorShow == false)
{
ErrorMessage(30005, e.StackTrace, "[Base_SocketClient:SendCallback]", sp_SendCallbace.IpAddress + "未连接");
sp_SendCallbace.ErrorShow = true;
}
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 加载网络信息
/// </summary>
/// <param name="strPath">网络文件保存的路径</param>
/// <returns></returns>
public bool TcpClientLoad(string strPath)
{
DataTable dtTcpClient = BuildTcpClientTable();
try
{
if (!File.Exists(strPath))
{
//创建station.xml文件
FileStream fs = new FileStream(strPath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine("<?xml version='1.0' standalone='yes'?>");
sw.WriteLine("<DocumentElement>");
sw.WriteLine("</DocumentElement>");
sw.Flush();
sw.Close();
sw.Dispose();
fs.Close();
fs.Dispose();
}
}
catch { }
try
{
dtTcpClient.ReadXml(strPath);
int iTcpClientCount = dtTcpClient.Rows.Count;
socketPackets = new SocketPacket[iTcpClientCount];
for (int i = 0; i < iTcpClientCount; i++)
{
DataRow dr = dtTcpClient.Rows[i];
socketPackets[i] = new SocketPacket();
socketPackets[i].ID = int.Parse(dr["IPID"].ToString());
socketPackets[i].IpAddress = dr["IpAddress"].ToString();
socketPackets[i].ClientPort = int.Parse(dr["IpPort"].ToString());
}
}
catch
{
try
{
File.Delete(strPath);
}
catch
{ }
return false;
}
finally
{
// 释放表格对象
dtTcpClient.Dispose();
}
return true;
}
/// <summary>
/// 网络信息改变了
/// </summary>
static void tcpClinetUpdateTime_NetInfoChange()
{
DataTable dtTcpServer = BuildTcpServers();
try
{
dtTcpServer.ReadXml(strTcpIpSavePath);
int iTcpServerCount = dtTcpServer.Rows.Count;
_socketPacket = new SocketPacket[iTcpServerCount];
for (int i = 0; i < iTcpServerCount; i++)
{
DataRow dr = dtTcpServer.Rows[i];
_socketPacket[i] = new SocketPacket();
_socketPacket[i].ID = int.Parse(dr["IPID"].ToString());
_socketPacket[i].IpAddress = dr["IpAddress"].ToString();
_socketPacket[i].ClientPort = int.Parse(dr["IpPort"].ToString());
}
if (_commType)
{
_startTcp.NetChange(_socketPacket);
}
}
catch
{
}
finally
{
dtTcpServer.Dispose();
dtTcpServer = null;
}
}
public bool NetChange(SocketPacket[] socketPackets)
{
if (m_TcpClientPort == null) return false;
if (socketPackets == null || socketPackets.Length <= 0)
{
if (socketArrayList != null && socketArrayList.Count > 0)
{
m_TcpClientPort.Clean();
return true;
}
}
else
{
ArrayList arrayListTemp = new ArrayList();
ArrayList arrayListOld = m_TcpClientPort.SocketClientList;
bool falg = false;
if (arrayListOld != null)
{
for (int k = 0; k < socketPackets.Length; k++)
{
falg = false;
for (int i = 0; i < arrayListOld.Count; i++)
{
SocketPacket socketTemp = (SocketPacket)arrayListOld[i];
if (socketPackets[k].IpAddress.Equals(socketTemp.IpAddress) && socketPackets[k].ClientPort.Equals(socketTemp.ClientPort))//数据存在
{
falg = true;
break;
}
}
//在原来数据中没有找到，则添加
if (!falg)
{
m_TcpClientPort.Add(socketPackets[k].IpAddress, socketPackets[k].ClientPort);
}
}
for (int i = 0; i < arrayListOld.Count; i++)
{
falg = false;
SocketPacket socketTemp = (SocketPacket)arrayListOld[i];
for (int k = 0; k < socketPackets.Length; k++)
{
if (socketPackets[k].IpAddress.Equals(socketTemp.IpAddress) && socketPackets[k].ClientPort.Equals(socketTemp.ClientPort))//数据存在
{
falg = true;
break;
}
}
if (!falg)//移除
{
m_TcpClientPort.Remove(socketTemp.IpAddress, socketTemp.ClientPort);
}
}
}
else //如果原始的为空，则添加进去
{
for (int i = 0; i < socketPackets.Length; i++)
{
m_TcpClientPort.Add(socketPackets[i].IpAddress, socketPackets[i].ClientPort);
}
}
}
return true;
}
/// <summary>
/// 开始连接远程服务器
/// </summary>
/// <param name="socketPacket">要连接的远程服务器包</param>
private void StartClient(SocketPacket socketPacket)
{
try
{
//设置指定的网络地址和端口号
IPAddress ipAddress = IPAddress.Parse(socketPacket.IpAddress);
IPEndPoint remoteEP = new IPEndPoint(ipAddress, socketPacket.ClientPort);
// 创建一个TCP/IP套接字对象.
socketPacket.CurrentSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// 对远程主机开始异步连接.
socketPacket.CurrentSocket.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), socketPacket);
}
catch (SocketException e)
{
try
{
if (socketPacket.CurrentSocket != null)
{
socketPacket.CurrentSocket.Close();
socketPacket.CurrentSocket = null;
}
if (socketPacket.State == 1 && socketPacket.ErrorShow == false)
{
ErrorMessage(30001, e.StackTrace, "[Base_SocketClient:StartClient]", socketPacket.IpAddress + "未连接");
socketPacket.ErrorShow = true;
}
socketPacket.State = 2;
}
catch { }
}
catch (Exception ee)
{ }
}
/// <summary>
/// 加载网络配置信息
/// </summary>
/// <param name="strPath"></param>
/// <returns></returns>
public static bool TcpServersLoad(string strPath)
{
DataTable dtTcpServer = BuildTcpServers();
strTcpIpSavePath = System.Windows.Forms.Application.StartupPath.ToString() + @"\" + strPath;
bool falg;
try
{
if (File.Exists(System.Windows.Forms.Application.StartupPath.ToString() + @"\" + strPath))
{
dtTcpServer.ReadXml(System.Windows.Forms.Application.StartupPath.ToString() + @"\" + strPath);
int iTcpServerCount = dtTcpServer.Rows.Count;
_socketPacket = new SocketPacket[iTcpServerCount];
for (int i = 0; i < iTcpServerCount; i++)
{
DataRow dr = dtTcpServer.Rows[i];
_socketPacket[i] = new SocketPacket();
_socketPacket[i].ID = int.Parse(dr["ipID"].ToString());
_socketPacket[i].IpAddress = dr["IpAddress"].ToString();
_socketPacket[i].ClientPort = int.Parse(dr["IpPort"].ToString());
}
}
else
{
_socketPacket = new SocketPacket[0];
}
falg = true;
}
catch
{
falg = false;
}
finally
{
dtTcpServer.Dispose();
dtTcpServer = null;
}
return falg;
}
/// <summary>
/// 初始化连接端口
/// </summary>
/// <param name="socketPackets"></param>
/// <returns></returns>
private bool InitSocket(SocketPacket[] socketPackets)
{
if (socketPackets == null || socketPackets.Length <= 0) return false;
for (int i = 0; i < socketPackets.Length; i++)
{
socketArrayList.Add(socketPackets[i]);
}
return true;
}
/// <summary>
/// 添加远程连接
/// </summary>
/// <param name="strIpAddress">远程连接地址</param>
/// <param name="port">远程连接端口</param>
public void Add(string strIpAddress, int port)
{
#region [判断要连接的列表中是否存在]
SocketPacket spCollect;
for (int i = 0; i < m_socketClientList.Count; i++)
{
spCollect = (SocketPacket)m_socketClientList[i];
if (spCollect.IpAddress.Equals(strIpAddress) && spCollect.ClientPort.Equals(port))
{
return;
}
}
spCollect = null;
#endregion [判断要连接的列表中是否存在]
#region [添加到要连接的服务器列表中]
SocketPacket sp = new SocketPacket();
sp.IpAddress = strIpAddress;
sp.ClientPort = port;
sp.ErrorShow = false;
sp.State = 0;
m_socketClientList.Add(sp);
#endregion [添加到要连接的服务器列表中]
//开始连接远程服务器
StartClient(sp);
}