/// <param name="output">Output to generate image for.</param>
/// <param name="fileTransfers">Array of files to be transfered.</param>
/// <param name="layoutDirectory">The directory in which the image should be layed out.</param>
/// <param name="compressed">Flag if source image should be compressed.</param>
/// <returns>The uncompressed file rows.</returns>
public void Execute()
{
RowDictionary <WixMediaRow> wixMediaRows = new RowDictionary <WixMediaRow>(this.WixMediaTable);
this.lastCabinetAddedToMediaTable = new Dictionary <string, string>();
this.SetCabbingThreadCount();
// Send Binder object to Facilitate NewCabNamesCallBack Callback
CabinetBuilder cabinetBuilder = new CabinetBuilder(this.CabbingThreadCount, Marshal.GetFunctionPointerForDelegate(this.newCabNamesCallBack));
// Supply Compile MediaTemplate Attributes to Cabinet Builder
int MaximumCabinetSizeForLargeFileSplitting;
int MaximumUncompressedMediaSize;
this.GetMediaTemplateAttributes(out MaximumCabinetSizeForLargeFileSplitting, out MaximumUncompressedMediaSize);
cabinetBuilder.MaximumCabinetSizeForLargeFileSplitting = MaximumCabinetSizeForLargeFileSplitting;
cabinetBuilder.MaximumUncompressedMediaSize = MaximumUncompressedMediaSize;
foreach (var entry in this.FileRowsByCabinet)
{
MediaRow mediaRow = entry.Key;
IEnumerable <FileFacade> files = entry.Value;
CompressionLevel compressionLevel = this.DefaultCompressionLevel;
WixMediaRow wixMediaRow = null;
string mediaLayoutFolder = null;
if (wixMediaRows.TryGetValue(mediaRow.GetKey(), out wixMediaRow))
{
mediaLayoutFolder = wixMediaRow.Layout;
if (wixMediaRow.CompressionLevel.HasValue)
{
compressionLevel = wixMediaRow.CompressionLevel.Value;
}
}
string cabinetDir = this.ResolveMedia(mediaRow, mediaLayoutFolder, this.LayoutDirectory);
CabinetWorkItem cabinetWorkItem = this.CreateCabinetWorkItem(this.Output, cabinetDir, mediaRow, compressionLevel, files, this.fileTransfers);
if (null != cabinetWorkItem)
{
cabinetBuilder.Enqueue(cabinetWorkItem);
}
}
// stop processing if an error previously occurred
if (Messaging.Instance.EncounteredError)
{
return;
}
// create queued cabinets with multiple threads
cabinetBuilder.CreateQueuedCabinets();
if (Messaging.Instance.EncounteredError)
{
return;
}
}
/// <summary>
/// Creates a cabinet using the wixcab.dll interop layer.
/// </summary>
/// <param name="cabinetWorkItem">CabinetWorkItem containing information about the cabinet to create.</param>
private void CreateCabinet(CabinetWorkItem cabinetWorkItem)
{
Messaging.Instance.OnMessage(WixVerboses.CreateCabinet(cabinetWorkItem.CabinetFile));
int maxCabinetSize = 0; // The value of 0 corresponds to default of 2GB which means no cabinet splitting
ulong maxPreCompressedSizeInBytes = 0;
if (MaximumCabinetSizeForLargeFileSplitting != 0)
{
// User Specified Max Cab Size for File Splitting, So Check if this cabinet has a single file larger than MaximumUncompressedFileSize
// If a file is larger than MaximumUncompressedFileSize, then the cabinet containing it will have only this file
if (1 == cabinetWorkItem.FileFacades.Count())
{
// Cabinet has Single File, Check if this is Large File than needs Splitting into Multiple cabs
// Get the Value for Max Uncompressed Media Size
maxPreCompressedSizeInBytes = (ulong)MaximumUncompressedMediaSize * 1024 * 1024;
foreach (FileFacade facade in cabinetWorkItem.FileFacades) // No other easy way than looping to get the only row
{
if ((ulong)facade.File.FileSize >= maxPreCompressedSizeInBytes)
{
// If file is larger than MaximumUncompressedFileSize set Maximum Cabinet Size for Cabinet Splitting
maxCabinetSize = MaximumCabinetSizeForLargeFileSplitting;
}
}
}
}
// create the cabinet file
string cabinetFileName = Path.GetFileName(cabinetWorkItem.CabinetFile);
string cabinetDirectory = Path.GetDirectoryName(cabinetWorkItem.CabinetFile);
using (WixCreateCab cab = new WixCreateCab(cabinetFileName, cabinetDirectory, cabinetWorkItem.FileFacades.Count(), maxCabinetSize, cabinetWorkItem.MaxThreshold, cabinetWorkItem.CompressionLevel))
{
foreach (FileFacade facade in cabinetWorkItem.FileFacades)
{
cab.AddFile(facade);
}
cab.Complete(newCabNamesCallBackAddress);
}
}
/// <summary>
/// Creates a work item to create a cabinet.
/// </summary>
/// <param name="output">Output for the current database.</param>
/// <param name="cabinetDir">Directory to create cabinet in.</param>
/// <param name="mediaRow">MediaRow containing information about the cabinet.</param>
/// <param name="fileFacades">Collection of files in this cabinet.</param>
/// <param name="fileTransfers">Array of files to be transfered.</param>
/// <returns>created CabinetWorkItem object</returns>
private CabinetWorkItem CreateCabinetWorkItem(Output output, string cabinetDir, MediaRow mediaRow, CompressionLevel compressionLevel, IEnumerable <FileFacade> fileFacades, List <FileTransfer> fileTransfers)
{
CabinetWorkItem cabinetWorkItem = null;
string tempCabinetFileX = Path.Combine(this.TempFilesLocation, mediaRow.Cabinet);
// check for an empty cabinet
if (!fileFacades.Any())
{
string cabinetName = mediaRow.Cabinet;
// remove the leading '#' from the embedded cabinet name to make the warning easier to understand
if (cabinetName.StartsWith("#", StringComparison.Ordinal))
{
cabinetName = cabinetName.Substring(1);
}
// If building a patch, remind them to run -p for torch.
if (OutputType.Patch == output.Type)
{
Messaging.Instance.OnMessage(WixWarnings.EmptyCabinet(mediaRow.SourceLineNumbers, cabinetName, true));
}
else
{
Messaging.Instance.OnMessage(WixWarnings.EmptyCabinet(mediaRow.SourceLineNumbers, cabinetName));
}
}
ResolvedCabinet resolvedCabinet = this.ResolveCabinet(tempCabinetFileX, fileFacades);
// create a cabinet work item if it's not being skipped
if (CabinetBuildOption.BuildAndCopy == resolvedCabinet.BuildOption || CabinetBuildOption.BuildAndMove == resolvedCabinet.BuildOption)
{
int maxThreshold = 0; // default to the threshold for best smartcabbing (makes smallest cabinet).
cabinetWorkItem = new CabinetWorkItem(fileFacades, resolvedCabinet.Path, maxThreshold, compressionLevel /*, this.FileManager*/);
}
else // reuse the cabinet from the cabinet cache.
{
Messaging.Instance.OnMessage(WixVerboses.ReusingCabCache(mediaRow.SourceLineNumbers, mediaRow.Cabinet, resolvedCabinet.Path));
try
{
// Ensure the cached cabinet timestamp is current to prevent perpetual incremental builds. The
// problematic scenario goes like this. Imagine two cabinets in the cache. Update a file that
// goes into one of the cabinets. One cabinet will get rebuilt, the other will be copied from
// the cache. Now the file (an input) has a newer timestamp than the reused cabient (an output)
// causing the project to look like it perpetually needs a rebuild until all of the reused
// cabinets get newer timestamps.
File.SetLastWriteTime(resolvedCabinet.Path, DateTime.Now);
}
catch (Exception e)
{
Messaging.Instance.OnMessage(WixWarnings.CannotUpdateCabCache(mediaRow.SourceLineNumbers, resolvedCabinet.Path, e.Message));
}
}
if (mediaRow.Cabinet.StartsWith("#", StringComparison.Ordinal))
{
Table streamsTable = output.EnsureTable(this.TableDefinitions["_Streams"]);
Row streamRow = streamsTable.CreateRow(mediaRow.SourceLineNumbers);
streamRow[0] = mediaRow.Cabinet.Substring(1);
streamRow[1] = resolvedCabinet.Path;
}
else
{
string destinationPath = Path.Combine(cabinetDir, mediaRow.Cabinet);
FileTransfer transfer;
if (FileTransfer.TryCreate(resolvedCabinet.Path, destinationPath, CabinetBuildOption.BuildAndMove == resolvedCabinet.BuildOption, "Cabinet", mediaRow.SourceLineNumbers, out transfer))
{
transfer.Built = true;
fileTransfers.Add(transfer);
}
}
return(cabinetWorkItem);
}
/// <summary>
/// Enqueues a CabinetWorkItem to the queue.
/// </summary>
/// <param name="cabinetWorkItem">cabinet work item</param>
public void Enqueue(CabinetWorkItem cabinetWorkItem)
{
this.cabinetWorkItems.Enqueue(cabinetWorkItem);
}
