/// <summary> /// 暴露给上层,通过物理端口发送数据包 /// </summary> /// <param name="PhyPortNo">物理端口号</param> /// <param name="buffer">发送内容</param> public static Const.EN_RET_CODE SendViaPhyPort(int PhyPortNo, 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(PhyPortNo, buffer); return(retVal); }
/// <summary> /// 从文件中读取拓扑信息,记录到邻接矩阵,并完成与各个交换机的连接 /// </summary> /// <param name="fileName">拓扑文件的路径和文件名</param> /// <returns></returns> 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; bool boolTryParseResult = false; //遍历所有pair,记录邻接矩阵 XmlNodeList pairList = root.GetElementsByTagName("pair"); foreach (XmlNode PairNode in pairList) { boolTryParseResult = false; string strID0; string strID1; string strDistance; string strPhyPort0; string strPhyPort1; int iID0; int iID1; int iDistance; int iPhyPort0; int iPhyPort1; strDistance = ((XmlElement)PairNode).GetElementsByTagName("distance")[0].InnerText; XmlNodeList switchList = ((XmlElement)PairNode).GetElementsByTagName("switch"); strID0 = ((XmlElement)switchList[0]).GetElementsByTagName("id")[0].InnerText; strPhyPort0 = ((XmlElement)switchList[0]).GetElementsByTagName("PhyPortNo")[0].InnerText; strID1 = ((XmlElement)switchList[1]).GetElementsByTagName("id")[0].InnerText; strPhyPort1 = ((XmlElement)switchList[1]).GetElementsByTagName("PhyPortNo")[0].InnerText; boolTryParseResult = int.TryParse(strDistance, out iDistance); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "距离转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strID0, out iID0); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strPhyPort0, out iPhyPort0); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机物理接口号转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strID1, out iID1); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strPhyPort1, out iPhyPort1); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机物理接口号转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } //距离不在范围内 if (iDistance < Const.MIN_DISTANCE || iDistance > Const.MAX_DISTANCE) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "距离数据不在范围内"); return(Const.EN_RET_CODE.EN_RET_DISTAANCE_OVERFLOW); } //交换机ID不在范围内 if (iID0 < Const.MIN_DEVICE_NUM || iID0 > Const.MAX_DEVICE_NUM || iID1 < Const.MIN_DEVICE_NUM || iID1 > Const.MAX_DEVICE_NUM) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID不在范围内"); return(Const.EN_RET_CODE.EN_RET_SWITCH_ID_OVERFLOW); } //物理端口号不在范围内 if (iPhyPort0 < Const.MIN_PHY_PORT_NUM || iPhyPort0 > Const.MAX_PHY_PORT_NUM || iPhyPort1 < Const.MIN_PHY_PORT_NUM || iPhyPort1 > Const.MAX_PHY_PORT_NUM) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "物理端口号不在范围内"); return(Const.EN_RET_CODE.EN_RET_PHY_PORT_OVERFLOW); } //记录到邻接矩阵中 Program.PathInfoArr[iID0, iID1].distance = iDistance; Program.PathInfoArr[iID0, iID1].phyPortNo = iPhyPort0; Program.PathInfoArr[iID1, iID0].distance = iDistance; Program.PathInfoArr[iID1, iID0].phyPortNo = iPhyPort1; //Console.WriteLine("id0:{0}, port0:{1}, id1:{2}, port1:{3}, distance:{4}", iID0, iPhyPort0, iID1, iPhyPort1, iDistance); } //遍历controller标签 XmlNodeList controllerList = root.GetElementsByTagName("controller"); foreach (XmlNode ctrlNode in controllerList) { boolTryParseResult = false; string strSwitchID; string strSwitchPort; string strControllerPort; string strSwitchIP; int iSwitchID = Const.INVALID_NUM; int iSwitchPort = Const.INVALID_NUM; int iControllerPort = Const.INVALID_NUM; strSwitchID = ((XmlElement)ctrlNode).GetElementsByTagName("switchID")[0].InnerText; strSwitchIP = ((XmlElement)ctrlNode).GetElementsByTagName("switchIP")[0].InnerText; strSwitchPort = ((XmlElement)ctrlNode).GetElementsByTagName("switchPort")[0].InnerText; strControllerPort = ((XmlElement)ctrlNode).GetElementsByTagName("controllerPort")[0].InnerText; boolTryParseResult = int.TryParse(strSwitchID, out iSwitchID); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID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); } boolTryParseResult = int.TryParse(strControllerPort, out iControllerPort); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "控制器端口号转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } //交换机ID不在范围内 if (iSwitchID > Const.MAX_DEVICE_NUM || iSwitchID < Const.MIN_DEVICE_NUM) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID不在范围内"); return(Const.EN_RET_CODE.EN_RET_SWITCH_ID_OVERFLOW); } //交换机或控制器端口号不在范围内 if (iSwitchPort > Const.MAX_PORT_NUM || iSwitchPort < Const.MIN_PORT_NUM || iControllerPort > Const.MAX_PORT_NUM || iControllerPort < Const.MIN_PORT_NUM) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机或控制器端口号不在范围内"); return(Const.EN_RET_CODE.EN_RET_PORT_OVERFLOW); } Const.EN_RET_CODE retVal = Const.EN_RET_CODE.EN_RET_INIT; //将交换机ID作为控制器的物理端口号 retVal = PhyPortManager.GetInstance().AddPort(iSwitchID, iSwitchPort, iControllerPort); 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"); } //记录最大交换机ID if (iSwitchID > Program.iMaxDeviceID) { Program.iMaxDeviceID = iSwitchID; } //记录IP Program.IDtoIP[iSwitchID] = strSwitchIP; Program.IPtoID[strSwitchIP] = iSwitchID; } //遍历Host标签 XmlNodeList hostList = root.GetElementsByTagName("Host"); foreach (XmlNode hostNode in hostList) { boolTryParseResult = false; string strHostID; string strSwitchID; string strDistance; string strHostIP; string strSwitchPhyPortNum; int iHostID = Const.INVALID_NUM; int iSwitchID = Const.INVALID_NUM; int iDistance = Const.INVALID_NUM; int iSwitchPhyPortNum = Const.INVALID_NUM; strHostIP = ((XmlElement)hostNode).GetElementsByTagName("HostIP")[0].InnerText; strHostID = ((XmlElement)hostNode).GetElementsByTagName("HostID")[0].InnerText; strSwitchID = ((XmlElement)hostNode).GetElementsByTagName("switchID")[0].InnerText; strDistance = ((XmlElement)hostNode).GetElementsByTagName("distance")[0].InnerText; strSwitchPhyPortNum = ((XmlElement)hostNode).GetElementsByTagName("PhyPortNo")[0].InnerText; 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); } boolTryParseResult = int.TryParse(strSwitchID, out iSwitchID); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "交换机ID转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strDistance, out iDistance); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "距离转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } boolTryParseResult = int.TryParse(strSwitchPhyPortNum, out iSwitchPhyPortNum); if (boolTryParseResult != true) { Util.Log(Util.EN_LOG_LEVEL.EN_LOG_FATAL, "距离转换整型变量失败"); return(Const.EN_RET_CODE.EN_RET_INT_TRY_PARSE_ERR); } //记录最大交换机ID if (iHostID > Program.iMaxDeviceID) { Program.iMaxDeviceID = iHostID; } //记录IP Program.IDtoIP[iHostID] = strHostIP; Program.IPtoID[strHostIP] = iHostID; //记录路径到邻接矩阵 Program.PathInfoArr[iSwitchID, iHostID].distance = iDistance; Program.PathInfoArr[iSwitchID, iHostID].phyPortNo = iSwitchPhyPortNum; Program.PathInfoArr[iHostID, iSwitchID].distance = iDistance; //主机的物理端口默认为0 Program.PathInfoArr[iHostID, iSwitchID].phyPortNo = 0; } } 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); }