Initial Commit

Program.cs

@@ -0,0 +1,127 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Configuration;
+using System.Net;
+using System.IO;
+using System.Diagnostics;
+using System.Threading;
+
+namespace IPMonitor
+{
+  class Program
+  {
+    public static String GetPublicIPAddress()
+    {
+      String address = "";  
+      WebRequest request = WebRequest.Create("http://checkip.dyndns.org/");  
+      using (WebResponse response = request.GetResponse())  
+       using (StreamReader stream = new StreamReader(response.GetResponseStream()))  
+       {  
+          address = stream.ReadToEnd();  
+       }  
+  
+       int first = address.IndexOf("Address: ") + 9;  
+       int last = address.LastIndexOf("</body>");  
+       address = address.Substring(first, last - first);  
+  
+       return address;  
+    }
+
+    public static void UpdateIPAddress(String ipAddress)
+    {
+
+
+      String strPathFileName="ipaddress.txt";
+      if(!File.Exists(strPathFileName))
+      {
+        WriteFile(strPathFileName, ipAddress);
+        SendSMSEmail(String.Format("IPMonitor IPAddress {0}",ipAddress));
+      }
+      else
+      {
+        String currentIPAddress=ReadFile(strPathFileName);
+        if(null!=currentIPAddress && !currentIPAddress.Equals(ipAddress))
+        {
+          WriteFile(strPathFileName,ipAddress);
+          SendSMSEmail(String.Format("IPMonitor IPAddress {0}",ipAddress));
+        }
+      }
+    }
+
+    public static void WriteFile(String strPathFileName,String ipAddress)
+    {
+      if(File.Exists(strPathFileName))File.Delete(strPathFileName);
+      FileStream fileStream=new FileStream(strPathFileName,FileMode.Create,FileAccess.Write,FileShare.Read);
+      StreamWriter streamWriter=new StreamWriter(fileStream);
+      MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Creating address file:{0}",strPathFileName));
+      streamWriter.WriteLine(ipAddress);
+      streamWriter.Flush();
+      streamWriter.Close();
+      streamWriter.Dispose();
+    }
+
+    public static String ReadFile(String strPathFileName)
+    {
+      try
+      {
+        FileStream fileStream=new FileStream(strPathFileName,FileMode.Open,FileAccess.ReadWrite,FileShare.Read);
+        StreamReader streamReader=new StreamReader(fileStream);
+        String item=null;
+        item=streamReader.ReadLine();
+        streamReader.Close();
+        streamReader.Dispose();
+        return item;
+      }
+      catch(Exception exception)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("[IPMonitor::ReadFile] Exception:{0}",exception.ToString()));
+        return null;
+      }
+    }
+
+    public static void SendSMSEmail(string message)
+    {
+      String smsSMTPAddress = ConfigurationManager.AppSettings["sms_smtpaddress"];
+      String smsUserName = ConfigurationManager.AppSettings["sms_smsusername"];
+      String smsPassword = ConfigurationManager.AppSettings["sms_smspassword"];
+      String[] smsRecipients = ConfigurationManager.AppSettings["sms_smsrecipients"].Split(',');
+      SMSClient.SendSMSEmail(message, smsUserName, smsRecipients, smsSMTPAddress, smsUserName, smsPassword);
+    }
+
+    static void Main(string[] args)
+    {
+      int interval_ms = int.Parse(ConfigurationManager.AppSettings["poll_time_ms"]);
+      int notify_ms = int.Parse(ConfigurationManager.AppSettings["notify_time_ms"]);
+
+      try
+      {
+        MDTrace.LogLevel = LogLevel.DEBUG;
+        String strLogFile = "ipmonitor.log";
+        Utility.CopyFile(strLogFile,Utility.DateTimeToStringYYYYMMDDMMSSTT(DateTime.Now)+strLogFile);
+        Utility.DeleteFile(strLogFile);
+        Trace.Listeners.Add(new TextWriterTraceListener(strLogFile));
+
+        Profiler profiler=new Profiler();
+        profiler.Start();
+        while(true)
+        {
+          String ipAddress=GetPublicIPAddress();
+          UpdateIPAddress(ipAddress);
+          try{Thread.Sleep(interval_ms);}catch{;}
+          if(profiler.Split()>=notify_ms)
+          {
+            SendSMSEmail(String.Format("IPMonitor IPAddress {0}",ipAddress));
+            profiler.Start();
+          }
+        }
+      }
+      catch(Exception exception)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("[IPMonitor] Exception:{0}",exception.ToString()));
+      }
+    }
+  }
+}