Small project for full disk backup (C #)

App. CS

Using system;
Using system. IO;

Namespace com. todayisp. bakup
{
/// <Summary>
/// Summary of the app.
/// </Summary>
Public class app
{
// List all directories under a disk, excluding files.
// Directory path pathstr, such as E :/
// Returns an array composed of directories.
Public String [] directorys (string pathstr)
{
If (pathstr = NULL) return NULL;
If (! Directory. exists (pathstr ))
{
Console. writeline ("error: filepath not exist --" + pathstr );
Return NULL;
}
Console. writeline ("Start Check path ");
String [] filestrs = directory. getdirectories (pathstr );
For (INT I = 0; I <filestrs. length; I ++)
{
Console. writeline (filestrs [I]);
}
Return filestrs;
}

// Compress the contents, and execute rar.exe + command line.
// Rarname: the path and name of the rarfile to be compressed, for example, E:/abc.rar
// Dirname: directory to be compressed, such as E:/ABC
Public bool Bak (string rarname, string dirname)
{
Bool blnrst = false;
String strarg = "a-r {0} {1 }";
System. Diagnostics. PROCESS p = new system. Diagnostics. Process ();
P. startinfo. filename = @ "E:/rar.exe"; // EXE, bat and so on
P. startinfo. windowstyle = system. Diagnostics. processwindowstyle. normal;
P. startinfo. Arguments = string. Format (strarg, rarname, dirname );
Try
{
P. Start ();
P. waitforexit ();
P. Close ();
Blnrst = true;
}
Catch
{
}
Return blnrst;
}

// Compress logs. Each compressed folder is written into a log file.
// Filestr Log Path, content log Content
Public bool writelog (string filestr, string content)
{
Try
{
Streamwriter Sw = new streamwriter (filestr, true, system. Text. utf8encoding. utf8 );
Sw. writeline (content );
Sw. Close ();

Return true;
}
Catch
{
Return false;
}
}

// Read the log, analyze the log, and obtain the last backup time, so that you can choose whether to operate
// Logpath, which is the directory name to be backed up by dirname.
Public bool readlog (string logpath, string dirname, int intdate)
{
Try
{
String STR;
Streamreader din = file. opentext (logpath );
While (STR = din. Readline ())! = NULL)
{
String [] STRs = Str. Split ('');
If (STRs [1] = dirname. tolower ())
{
Console. writeline (STRs [0] + ":" + STRs [1]);
Console. writeline (datetime. Today. tow.datestring ());
If (convert. todatetime (datetime. Today. tow.datestring () <convert. todatetime (STRs [0]). adddays (intdate ))
{
Din. Close ();
Return false;
}
}
}
Din. Close ();
Return true;
}
Catch {
Return false;
}
}
}
}

 

// Class1.cs program entry

Using system;
Using system. IO;
Using system. configuration;

Namespace com. todayisp. bakup
{
/// <Summary>
/// Summary of class1.
/// </Summary>
Class class1
{
/// <Summary>
/// Main entry point of the application.
/// </Summary>
[Stathread]
Static void main (string [] ARGs)
{
//
// Todo: Add code here to start the application
//
App = new app ();

String pathstr = configurationsettings. deleettings ["dir"];
String maxcontent = configurationsettings. deleettings ["maxcontent"];
String logpath = configurationsettings. receivettings ["logpath"];
Int bakupday = convert. toint32 (configurationsettings. receivettings ["bakupday"]);
String [] dir = app. directorys (pathstr );
If (DIR = NULL) return;

Long Content = 0;

For (INT I = 0; I <dir. length; I ++)
{
Try
{
If (content> = convert. toint32 (maxcontent) return;
String dirname = dir [I]. Trim ();
String rarpath = dirname + ". rar ";
Int Pos = rarpath. lastindexof (@"/");
String rarname = rarpath. substring (Pos + 1, rarpath. Length-pos-1 );

If (App. readlog (logpath, dirname, bakupday ))
{
Bool bakup = app. Bak (rarpath, dirname );
Bool bakup2 = app. writelog (logpath, datetime. Today. to1_datestring () + "" + rarname + "" + dirname. tolower ());
Console. writeline ("bakup" + dirname + "to" + rarname + "" + bakup + ". Write to log" + bakup2 );
Fileinfo Fi = new fileinfo (rarpath );
Content = content + fi. length;
Console. writeline (content + "bytes ");
}
Else
{
Console. writeline ("No need to bukup" + dirname );
}
}
Catch (exception ex)
{
Console. writeline (ex. Message );
}
}

}

}
}

 

// Bakup.exe. config configuration file

<? XML version = "1.0" encoding = "UTF-8"?>
<Configuration>
<! -- Application specific settings -->

<System. Web>
<Customerrors mode = "off"/>
</System. Web>

<Deleetask>
<Add key = "dir" value = "E:/Rui"/>
<Add key = "maxcontent" value = "2000"/>
<Add key = "logpath" value = "E:/abc.txt"/>
<Add key = "bakupday" value = "1"/>
</Appsettings>
</Configuration>