SharePoint Backup

////////////////////////////////////////////////////////////////////////////////////////////
/// sbonello@gmail.com
///////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Diagnostics;
using System.Xml.Serialization;
using System.Xml;
using System.Net.Mail;
using System.Net;

namespace SPBackup
{
    class Program
    {
        static int Main(string[] args)
        {
            string  rbinFolder = string.Empty;
            int     nMaxBackups = 0;
            string rDirectory = string.Empty; 
            
            if (args.Length < 1)
            {
                DisplayError();
                return 1;
            }

            int nIdx = 0;

            if (args[0] != "-directory")
            {
                DisplayError();
                return 1;
            }
            nIdx++;
            rDirectory = args[nIdx];

            // Check that the two folders exist
            if (!Directory.Exists(rDirectory))
            {
                Console.WriteLine("\n Invalid backup folder");
                return 1;
            }


            try
            {
                while (nIdx < args.Length)
                {
                    switch (args[nIdx])
                    {
                        case "-bin":
                            rbinFolder = args[++nIdx];
                            break;
                        case "-maxbkp":
                            nMaxBackups = int.Parse(args[++nIdx]);
                            break;
                    }
                    nIdx++;
                }
            }
            catch 
            {
                DisplayError();
                return 1;
            }

            string rFilename = string.Empty;
            string rArguments = string.Empty;

            rFilename = rbinFolder + @"\stsadm.exe";
            rArguments = "-o backup -directory " + rDirectory + " -backupmethod full";

            Process proc = Process.Start(rFilename, rArguments);
            proc.WaitForExit();

            if (proc.ExitCode != 0)
            {
                Console.WriteLine("\n Failed to perform backup");
            }
            else
            {
                string rHistoryFile = rDirectory + @"\" + "spbrtoc.xml";

                XmlDocument doc = new XmlDocument();
                doc.Load(rHistoryFile);


                XmlNodeList nodelist = doc.SelectNodes("/SPBackupRestoreHistory/SPHistoryObject");

                if (nodelist.Count > nMaxBackups)
                {
                    XmlNode node = doc.SelectSingleNode("/SPBackupRestoreHistory");

                    while (node.ChildNodes.Count != nMaxBackups)
                    {
                        XmlNode Directorynode = node.LastChild.SelectSingleNode("SPDirectoryName");

                        // Delete folder 
                        Directory.Delete(rDirectory + @"\" + Directorynode.InnerXml, true);
                        node.RemoveChild(node.LastChild);
                    }
                }

                doc.Save(rHistoryFile);
            }

            return 0;
        }



        static private void DisplayError()
        {
            Console.WriteLine("\n Usage: SPbackup -directory <Backup Folder> \n\t\t[-bin <SharePoint stsadm bin folder>]\n\t\t[-maxbkp <Max backups (default 7)>]");
        }
    }
}