/// <summary>
/// 监听socket函数，调用
/// </summary>
private void ListenerHandleFunc()
{
byte[] buffer = new byte[Const.MAX_PACKET_LENGTH];
while (true)
{
if (this.listenerSocket == null || this.listenerSocket.Available < 1)
{
Thread.Sleep(20);
continue;
}
int length = 0;
try
{
length = this.listenerSocket.ReceiveFrom(buffer, ref this.epRemotePoint);
}
catch (SocketException)
{
//在SendTo的目的端口没有Socket在监听，或原有的监听Socket被关闭时，这里监听会抛出10054异常
//Console.WriteLine("SocketException" + ex.ErrorCode);
continue;
}
//Console.WriteLine(((IPEndPoint)this.epRemotePoint).Port + " " + this.listenPort);
//如果接收到数据的是从监听端口发出的，将消息写入消息队列
if (((IPEndPoint)this.epRemotePoint).Port == this.listenPort)
{
PacketInfo packetInfo = new PacketInfo(this.listenerNo, buffer);
PhyPortManager.GetInstance().HandleReceive(packetInfo);
}
}
}
/// <summary>
/// 暴露给上层
/// </summary>
/// <param name="buffer">发送内容</param>
public static Const.EN_RET_CODE Send(byte[] buffer)
{
if (buffer.Length > Const.MAX_PACKET_LENGTH)
{
return(Const.EN_RET_CODE.EN_RET_PACKET_LENGTH_OVERFOLW);
}
Const.EN_RET_CODE retVal = Const.EN_RET_CODE.EN_RET_INIT;
retVal = PhyPortManager.GetInstance().SendTo(0, buffer);
return(retVal);
}
/// <summary>
/// 获取单例
/// </summary>
/// <returns></returns>
public static PhyPortManager GetInstance()
{
if (null == instance)
{
lock (objLock)
{
//解锁后可能其他线程已经新建了一个实例，所以需要重新判断
if (null == instance)
{
instance = new PhyPortManager();
}
}
}
return(instance);
}
public static Const.EN_RET_CODE InitFromFile(string fileName)
{
XmlDocument doc = new XmlDocument();
try
{
doc.Load(fileName);
}
catch (Exception)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, fileName + "拓扑结构文件不存在！");
return(Const.EN_RET_CODE.EN_RET_FILE_NOT_EXIST);
}
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_INFO, "读取拓扑文件");
try
{
XmlElement root = doc.DocumentElement;
//遍历所有Host
XmlNodeList hostList = root.GetElementsByTagName("Host");
foreach (XmlNode hostNode in hostList)
{
string strHostID = "";
string strHostIP = "";
string strHostPort = "";
string strSwitchPort = "";
int iHostID = Const.INVALID_NUM;
int iHostPort = Const.INVALID_NUM;
int iSwitchPort = Const.INVALID_NUM;
strHostID = ((XmlElement)hostNode).GetElementsByTagName("HostID")[0].InnerText;
strHostIP = ((XmlElement)hostNode).GetElementsByTagName("HostIP")[0].InnerText;
bool boolTryParseResult = false;
boolTryParseResult = int.TryParse(strHostID, out iHostID);
if (boolTryParseResult != true)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "主机ID转换整型变量失败");
return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR);
}
if (iHostID != Program.iCurHostID)
{
continue;
}
strHostPort = ((XmlElement)hostNode).GetElementsByTagName("HostPort")[0].InnerText;
strSwitchPort = ((XmlElement)hostNode).GetElementsByTagName("switchPort")[0].InnerText;
boolTryParseResult = int.TryParse(strHostPort, out iHostPort);
if (boolTryParseResult != true)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "主机端口号转换整型变量失败");
return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR);
}
boolTryParseResult = int.TryParse(strSwitchPort, out iSwitchPort);
if (boolTryParseResult != true)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机端口号转换整型变量失败");
return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR);
}
Const.EN_RET_CODE retVal = Const.EN_RET_CODE.EN_RET_INIT;
//添加物理端口
retVal = PhyPortManager.GetInstance().AddPort(0, iSwitchPort, iHostPort);
if (retVal != Const.EN_RET_CODE.EN_RET_SUCC)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "添加物理端口失败");
}
}
}
catch (XmlException)
{
Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "Xml格式错误");
return(Const.EN_RET_CODE.EN_XML_FILE_FORMAT_ERR);
}
return(Const.EN_RET_CODE.EN_RET_SUCC);
}