freeswitch/w32/downloadpackage.task

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets">
<Import Project="basedir.props" Condition=" '$(BaseDirImported)' == ''"/>
</ImportGroup>
<UsingTask TaskName="DownloadPackageTask"
TaskFactory="CodeTaskFactory"
AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" >
<ParameterGroup>
<package Required="true" />
<expectfileordirectory Required="true" />
<outputfolder />
<outputfilename />
<extractto />
<moveafter />
</ParameterGroup>
<Task>
<Reference Include="Microsoft.Build" />
<Reference Include="Microsoft.Build.Framework" />
<Reference Include="Microsoft.Build.Utilities.Core" />
<Code Type="Class" Language="cs">
<![CDATA[
using System;
using System.IO;
using System.Threading;
using Microsoft.Build.Framework;
using System.Reflection;
using Microsoft.Build.Execution;
using System.Net;
using System.ComponentModel;
using System.Diagnostics;
public class DownloadPackageTask : Microsoft.Build.Utilities.Task, Microsoft.Build.Framework.ICancelableTask
{
public class State
{
public string filename;
public int progress;
}
protected ManualResetEvent TaskCanceled { get; private set; }
public void Cancel()
{
TaskCanceled.Set();
}
private string basedir;
[Required]
public string package { get; set; }
[Required]
public string expectfileordirectory { get; set; }
public string outputfolder { get; set; }
public string outputfilename { get; set; }
public string extractto { get; set; }
public string moveafter { get; set; }
internal static bool FileOrDirectoryExists(string name)
{
return (Directory.Exists(name) || File.Exists(name));
}
public override bool Execute()
{
basedir = Path.GetFullPath(@"$(BaseDir)");
TaskCanceled = new ManualResetEvent(false);
//Log.LogMessage(MessageImportance.High,
// "Checking for package \"" + package + "\".");
//Log.LogMessage(MessageImportance.High,
// "BaseDir \"" + basedir + "\"");
//Log.LogMessage(MessageImportance.High,
// "expectfileordirectory \"" + expectfileordirectory + "\"");
string librarypath = Path.Combine(basedir, "libs");
Mutex m = new Mutex(false, Path.Combine(librarypath, package).Replace(":", "/").Replace("\\","/"));
m.WaitOne();
if (FileOrDirectoryExists(expectfileordirectory))
{
//Log.LogMessage(MessageImportance.High,
// "Package \"" + package + "\" exists. Do nothing.");
}
else
{
Log.LogMessage(MessageImportance.High,
"Start downloading package \"" + package + "\".");
using (var client = new System.Net.WebClient())
{
Uri uri = new Uri(package);
string urifilename = Path.GetFileName(uri.LocalPath);
string output = Path.Combine(outputfolder ?? librarypath, (outputfilename ?? urifilename));
//if (!File.Exists(output)) // Uncomment to skip download if exists
{
var syncObject = new State
{
filename = urifilename,
progress = -1
};
lock (syncObject)
{
client.DownloadFileCompleted += new AsyncCompletedEventHandler(DownloadFileCompleted);
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(DownloadProgressCallback);
client.DownloadFileAsync(uri, output, syncObject);
while (!Monitor.Wait(syncObject, 1000))
{
if (TaskCanceled.WaitOne(0))
{
client.CancelAsync();
Monitor.Wait(syncObject);
if (File.Exists(output))
{
Log.LogMessage(MessageImportance.High,
"Deleting incomplete file " + output + " for package \"" + package + "\".");
File.Delete(output);
}
Log.LogMessage(MessageImportance.High,
"Downloading canceled for package \"" + package + "\".");
break;
}
}
}
}
if (File.Exists(output))
{
// Successful download.
string extracttofolder = Path.GetFullPath((extractto ?? Path.GetDirectoryName(output)) + "/");
if (Path.GetExtension(output) != ".exe")
{
Extract(output, extracttofolder);
string filename = Path.Combine(Path.GetDirectoryName(extracttofolder), Path.GetFileNameWithoutExtension(output));
Log.LogMessage(MessageImportance.High,
"Filename \"" + filename + "\".");
if (File.Exists(filename))
{
Extract(filename, extracttofolder);
File.Delete(filename);
}
}
if (moveafter != null && moveafter != "") {
var items = moveafter.Split('|');
string s = extracttofolder + items[0];
string d = extracttofolder + items[1];
Log.LogMessage(MessageImportance.High,
"Move directory from \"" + s + "\" to \"" + d + "\".");
Directory.Move(s, d);
}
}
}
if (!TaskCanceled.WaitOne(0))
{
Log.LogMessage(MessageImportance.High,
"Downloading finished for package \"" + package + "\".");
}
}
m.ReleaseMutex();
return true;
}
private void Extract(string filename, string extracttofolder)
{
string arctool = Path.Combine(new string[] { basedir, "libs", "win32", "7za1701.exe" });
string args = " x \"" + filename + "\" -y -o\"" + extracttofolder + "\"";
Log.LogMessage(MessageImportance.High,
"arctool : " + arctool);
Log.LogMessage(MessageImportance.High,
"args : " + args);
Log.LogMessage(MessageImportance.High,
"WorkingDirectory : " + Path.GetDirectoryName(arctool));
var proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = arctool,
Arguments = args,
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true,
WorkingDirectory = Path.GetDirectoryName(arctool)
}
};
proc.Start();
while (!proc.StandardOutput.EndOfStream)
{
string line = proc.StandardOutput.ReadLine();
Log.LogMessage(MessageImportance.High,
Path.GetFileName(filename) + " : " + line);
if (TaskCanceled.WaitOne(0))
{
proc.Kill();
break;
}
}
proc.WaitForExit();
}
private void DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
lock (e.UserState)
{
//releases blocked thread
Monitor.Pulse(e.UserState);
}
}
private string humanSize(double len)
{
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
int order = 0;
while (len >= 1024 && order < sizes.Length - 1)
{
order++;
len = len / 1024;
}
return String.Format("{0:0.##} {1}", len, sizes[order]);
}
private void DownloadProgressCallback(object sender, DownloadProgressChangedEventArgs e)
{
if (((State)e.UserState).progress < e.ProgressPercentage)
{
((State)e.UserState).progress = e.ProgressPercentage;
// Displays the transfer progress.
Log.LogMessage(MessageImportance.High, ((State)e.UserState).filename + " : downloaded " + humanSize(e.BytesReceived) + " of " + humanSize(e.TotalBytesToReceive) + " " + e.ProgressPercentage + " % complete...");
}
}
}
]]>
</Code>
</Task>
</UsingTask>
<Target Name="7za" BeforeTargets="Build">
<DownloadPackageTask
package="http://files.freeswitch.org/downloads/win32/7za1701.exe"
expectfileordirectory="$(BaseDir)libs/win32/7za1701.exe"
outputfolder="$(BaseDir)libs/win32/"
outputfilename="7za1701.exe"
extractto=""
/>
</Target>
<PropertyGroup>
<downloadpackagetask_Imported>true</downloadpackagetask_Imported>
</PropertyGroup>
</Project>