/// <summary>
/// Uploads an application package to a remote application store instance.
/// </summary>
/// <param name="storeEP">
/// The application store endpoint or <c>null</c> to query any
/// application store instance in the cluster.
/// </param>
/// <param name="appRef">The <see cref="AppRef" /> for the file.</param>
/// <param name="path">The path to the application package file.</param>
public void UploadPackage(MsgEP storeEP, AppRef appRef, string path)
{
StreamTransferSession session;
if (storeEP == null)
{
storeEP = settings.ClusterEP;
}
session = StreamTransferSession.ClientUpload(router, storeEP, path);
session.Args = "appref=" + appRef.ToString();
session.Transfer();
}
/// <summary>
/// Downloads an application package from a remote application store instance.
/// </summary>
/// <param name="storeEP">
/// The application store endpoint or <c>null</c> to query any
/// application store instance in the cluster.
/// </param>
/// <param name="appRef">The <see cref="AppRef" /> for the file.</param>
/// <param name="path">The path to the output application package file.</param>
public void DownloadPackage(MsgEP storeEP, AppRef appRef, string path)
{
StreamTransferSession session;
AppStoreAck ack;
if (storeEP == null)
{
storeEP = settings.ClusterEP;
}
ack = (AppStoreAck)router.Query(storeEP, new AppStoreQuery(AppStoreQuery.DownloadCmd, appRef));
storeEP = ack.StoreEP;
session = StreamTransferSession.ClientDownload(router, storeEP, path);
session.Args = "appref=" + appRef.ToString();
session.Transfer();
}
/// <summary>
/// Private create constructor.
/// </summary>
/// <param name="path">The package path on the file system.</param>
/// <param name="appRef">The package's <see cref="AppRef" />.</param>
/// <param name="settings">The package metadata settings (or <c>null</c>).</param>
/// <remarks>
/// <note>
/// No <b>Package.ini</b> entry will be created if <paramref name="settings" />
/// is passed as <c>null</c>.
/// </note>
/// </remarks>
private AppPackage(string path, AppRef appRef, ArgCollection settings)
{
this.path = path;
this.readMode = false;
this.appRef = appRef;
this.zipArchive = null;
this.settings = null;
this.md5Hash = null;
// Create the archive
Helper.CreateFileTree(path);
if (File.Exists(path))
{
File.Delete(path);
}
zipOutput = new ZipOutputStream(new FileStream(path, FileMode.Create, FileAccess.ReadWrite));
zipOutput.SetLevel(9);
if (settings != null)
{
// Generate the Package.ini file and save it to the archive.
StreamWriter writer;
MemoryStream ms;
ZipEntry entry;
DateTime utcNow;
utcNow = DateTime.UtcNow;
ms = new MemoryStream();
writer = new StreamWriter(ms);
try
{
writer.WriteLine("// Application Package Metadata");
writer.WriteLine("//");
writer.WriteLine("// Generated by: {0} v{1}", Path.GetFileName(Helper.GetAssemblyPath(Assembly.GetExecutingAssembly())), Helper.GetVersion(Assembly.GetExecutingAssembly()));
writer.WriteLine("// Create Date: {0}", Helper.ToInternetDate(utcNow));
writer.WriteLine();
writer.WriteLine("#section AppPackage");
writer.WriteLine();
writer.WriteLine(" appref = {0}", appRef.ToString());
foreach (string key in settings)
{
writer.WriteLine(" {0} = {1}", key, settings[key]);
}
writer.WriteLine();
writer.WriteLine("#endsection");
writer.WriteLine();
writer.Flush();
entry = new ZipEntry("Package.ini");
entry.DateTime = utcNow;
zipOutput.PutNextEntry(entry);
zipOutput.Write(ms.GetBuffer(), 0, (int)ms.Length);
}
finally
{
writer.Close();
}
}
}