uint WriteDescriptor(StreamWriter output, string assemblyName, CompressedAssemblyInfo info, string dataLabel)
{
WriteCommentLine(output, $"{info.DescriptorIndex}: {assemblyName}");
WriteCommentLine(output, "uncompressed_file_size");
uint size = WriteData(output, info.FileSize);
WriteCommentLine(output, "loaded");
size += WriteData(output, false);
WriteCommentLine(output, "data");
size += WritePointer(output, dataLabel);
output.WriteLine();
return(size);
}
public override bool RunTask()
{
Aot.TryGetSequencePointsMode(AndroidSequencePointsMode, out sequencePointsMode);
var outputFiles = new List <string> ();
uncompressedFileExtensions = UncompressedFileExtensions?.Split(new char [] { ';', ',' }, StringSplitOptions.RemoveEmptyEntries) ?? new string [0];
existingEntries.Clear();
bool debug = _Debug;
bool compress = !debug && EnableCompression;
IDictionary <string, CompressedAssemblyInfo> compressedAssembliesInfo = null;
if (compress)
{
string key = CompressedAssemblyInfo.GetKey(ProjectFullPath);
Log.LogDebugMessage($"Retrieving assembly compression info with key '{key}'");
compressedAssembliesInfo = BuildEngine4.UnregisterTaskObjectAssemblyLocal <IDictionary <string, CompressedAssemblyInfo> > (key, RegisteredTaskObjectLifetime.Build);
if (compressedAssembliesInfo == null)
{
throw new InvalidOperationException($"Assembly compression info not found for key '{key}'. Compression will not be performed.");
}
}
ExecuteWithAbi(SupportedAbis, ApkInputPath, ApkOutputPath, debug, compress, compressedAssembliesInfo);
outputFiles.Add(ApkOutputPath);
if (CreatePackagePerAbi && SupportedAbis.Length > 1)
{
foreach (var abi in SupportedAbis)
{
existingEntries.Clear();
var path = Path.GetDirectoryName(ApkOutputPath);
var apk = Path.GetFileNameWithoutExtension(ApkOutputPath);
ExecuteWithAbi(new [] { abi }, String.Format("{0}-{1}", ApkInputPath, abi),
Path.Combine(path, String.Format("{0}-{1}.apk", apk, abi)),
debug, compress, compressedAssembliesInfo);
outputFiles.Add(Path.Combine(path, String.Format("{0}-{1}.apk", apk, abi)));
}
}
OutputFiles = outputFiles.Select(a => new TaskItem(a)).ToArray();
Log.LogDebugTaskItems(" [Output] OutputFiles :", OutputFiles);
return(!Log.HasLoggedErrors);
}
protected override void WriteSymbols(StreamWriter output)
{
if (assemblies == null || assemblies.Count == 0)
{
WriteCompressedAssembliesStructure(output, 0, null);
return;
}
string label = MakeLocalLabel(DescriptorsField);
using (var dataOutput = MemoryStreamPool.Shared.CreateStreamWriter(output.Encoding)) {
uint size = 0;
output.Write(Indent);
output.Write(".include");
output.Write(Indent);
output.Write('"');
output.Write(Path.GetFileName(dataIncludeFile));
output.WriteLine('"');
output.WriteLine();
WriteDataSection(output, DescriptorsField);
WriteStructureSymbol(output, label, alignBits: TargetProvider.MapModulesAlignBits, isGlobal: false);
foreach (var kvp in assemblies)
{
string assemblyName = kvp.Key;
CompressedAssemblyInfo info = kvp.Value;
string dataLabel = GetAssemblyDataLabel(info.DescriptorIndex);
WriteCommSymbol(dataOutput, dataLabel, info.FileSize, 16);
dataOutput.WriteLine();
size += WriteStructure(output, packed: false, structureWriter: () => WriteDescriptor(output, assemblyName, info, dataLabel));
}
WriteStructureSize(output, label, size);
dataOutput.Flush();
Files.CopyIfStreamChanged(dataOutput.BaseStream, dataIncludeFile);
}
WriteCompressedAssembliesStructure(output, (uint)assemblies.Count, label);
}
void AddAssemblies(ZipArchiveEx apk, bool debug, bool compress, IDictionary <string, CompressedAssemblyInfo> compressedAssembliesInfo)
{
string sourcePath;
AssemblyCompression.AssemblyData compressedAssembly = null;
string compressedOutputDir = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(ApkOutputPath), "..", "lz4"));
int count = 0;
foreach (ITaskItem assembly in ResolvedUserAssemblies)
{
if (bool.TryParse(assembly.GetMetadata("AndroidSkipAddToPackage"), out bool value) && value)
{
Log.LogDebugMessage($"Skipping {assembly.ItemSpec} due to 'AndroidSkipAddToPackage' == 'true' ");
continue;
}
if (MonoAndroidHelper.IsReferenceAssembly(assembly.ItemSpec))
{
Log.LogCodedWarning("XA0107", assembly.ItemSpec, 0, Properties.Resources.XA0107, assembly.ItemSpec);
}
sourcePath = CompressAssembly(assembly);
// Add assembly
var assemblyPath = GetAssemblyPath(assembly, frameworkAssembly: false);
AddFileToArchiveIfNewer(apk, sourcePath, assemblyPath + Path.GetFileName(assembly.ItemSpec), compressionMethod: UncompressedMethod);
// Try to add config if exists
var config = Path.ChangeExtension(assembly.ItemSpec, "dll.config");
AddAssemblyConfigEntry(apk, assemblyPath, config);
// Try to add symbols if Debug
if (debug)
{
var symbols = Path.ChangeExtension(assembly.ItemSpec, "dll.mdb");
if (File.Exists(symbols))
{
AddFileToArchiveIfNewer(apk, symbols, assemblyPath + Path.GetFileName(symbols), compressionMethod: UncompressedMethod);
}
symbols = Path.ChangeExtension(assembly.ItemSpec, "pdb");
if (File.Exists(symbols))
{
AddFileToArchiveIfNewer(apk, symbols, assemblyPath + Path.GetFileName(symbols), compressionMethod: UncompressedMethod);
}
}
count++;
if (count >= ZipArchiveEx.ZipFlushFilesLimit)
{
apk.Flush();
count = 0;
}
}
count = 0;
// Add framework assemblies
foreach (ITaskItem assembly in ResolvedFrameworkAssemblies)
{
if (bool.TryParse(assembly.GetMetadata("AndroidSkipAddToPackage"), out bool value) && value)
{
Log.LogDebugMessage($"Skipping {assembly.ItemSpec} due to 'AndroidSkipAddToPackage' == 'true' ");
continue;
}
if (MonoAndroidHelper.IsReferenceAssembly(assembly.ItemSpec))
{
Log.LogCodedWarning("XA0107", assembly.ItemSpec, 0, Properties.Resources.XA0107, assembly.ItemSpec);
}
sourcePath = CompressAssembly(assembly);
var assemblyPath = GetAssemblyPath(assembly, frameworkAssembly: true);
AddFileToArchiveIfNewer(apk, sourcePath, assemblyPath + Path.GetFileName(assembly.ItemSpec), compressionMethod: UncompressedMethod);
var config = Path.ChangeExtension(assembly.ItemSpec, "dll.config");
AddAssemblyConfigEntry(apk, assemblyPath, config);
// Try to add symbols if Debug
if (debug)
{
var symbols = Path.ChangeExtension(assembly.ItemSpec, "dll.mdb");
if (File.Exists(symbols))
{
AddFileToArchiveIfNewer(apk, symbols, assemblyPath + Path.GetFileName(symbols), compressionMethod: UncompressedMethod);
}
symbols = Path.ChangeExtension(assembly.ItemSpec, "pdb");
if (File.Exists(symbols))
{
AddFileToArchiveIfNewer(apk, symbols, assemblyPath + Path.GetFileName(symbols), compressionMethod: UncompressedMethod);
}
}
count++;
if (count >= ZipArchiveEx.ZipFlushFilesLimit)
{
apk.Flush();
count = 0;
}
}
void EnsureCompressedAssemblyData(string sourcePath, uint descriptorIndex)
{
if (compressedAssembly == null)
{
compressedAssembly = new AssemblyCompression.AssemblyData(sourcePath, descriptorIndex);
}
else
{
compressedAssembly.SetData(sourcePath, descriptorIndex);
}
}
string CompressAssembly(ITaskItem assembly)
{
if (!compress)
{
return(assembly.ItemSpec);
}
if (bool.TryParse(assembly.GetMetadata("AndroidSkipCompression"), out bool value) && value)
{
Log.LogDebugMessage($"Skipping compression of {assembly.ItemSpec} due to 'AndroidSkipCompression' == 'true' ");
return(assembly.ItemSpec);
}
var key = CompressedAssemblyInfo.GetDictionaryKey(assembly);
if (compressedAssembliesInfo.TryGetValue(key, out CompressedAssemblyInfo info) && info != null)
{
EnsureCompressedAssemblyData(assembly.ItemSpec, info.DescriptorIndex);
string assemblyOutputDir;
string subDirectory = assembly.GetMetadata("DestinationSubDirectory");
if (!String.IsNullOrEmpty(subDirectory))
{
assemblyOutputDir = Path.Combine(compressedOutputDir, subDirectory);
}
else
{
assemblyOutputDir = compressedOutputDir;
}
AssemblyCompression.CompressionResult result = AssemblyCompression.Compress(compressedAssembly, assemblyOutputDir);
if (result != AssemblyCompression.CompressionResult.Success)
{
switch (result)
{
case AssemblyCompression.CompressionResult.EncodingFailed:
Log.LogMessage($"Failed to compress {assembly.ItemSpec}");
break;
case AssemblyCompression.CompressionResult.InputTooBig:
Log.LogMessage($"Input assembly {assembly.ItemSpec} exceeds maximum input size");
break;
default:
Log.LogMessage($"Unknown error compressing {assembly.ItemSpec}");
break;
}
return(assembly.ItemSpec);
}
return(compressedAssembly.DestinationPath);
}
else
{
Log.LogDebugMessage($"Assembly missing from {nameof (CompressedAssemblyInfo)}: {key}");
}
return(assembly.ItemSpec);
}
}
void GenerateCompressedAssemblySources()
{
if (Debug || !EnableCompression)
{
Generate(null);
return;
}
var assemblies = new SortedDictionary <string, CompressedAssemblyInfo> (StringComparer.Ordinal);
foreach (ITaskItem assembly in ResolvedAssemblies)
{
if (bool.TryParse(assembly.GetMetadata("AndroidSkipAddToPackage"), out bool value) && value)
{
continue;
}
if (assemblies.ContainsKey(assembly.ItemSpec))
{
continue;
}
var fi = new FileInfo(assembly.ItemSpec);
if (!fi.Exists)
{
Log.LogError($"Assembly {assembly.ItemSpec} does not exist");
continue;
}
assemblies.Add(CompressedAssemblyInfo.GetDictionaryKey(assembly),
new CompressedAssemblyInfo(checked ((uint)fi.Length)));
}
uint index = 0;
foreach (var kvp in assemblies)
{
kvp.Value.DescriptorIndex = index++;
}
string key = CompressedAssemblyInfo.GetKey(ProjectFullPath);
Log.LogDebugMessage($"Storing compression assemblies info with key '{key}'");
BuildEngine4.RegisterTaskObjectAssemblyLocal(key, assemblies, RegisteredTaskObjectLifetime.Build);
Generate(assemblies);
void Generate(IDictionary <string, CompressedAssemblyInfo> dict)
{
foreach (string abi in SupportedAbis)
{
NativeAssemblerTargetProvider asmTargetProvider = GeneratePackageManagerJava.GetAssemblyTargetProvider(abi);
string baseAsmFilePath = Path.Combine(EnvironmentOutputDirectory, $"compressed_assemblies.{abi.ToLowerInvariant ()}");
string asmFilePath = $"{baseAsmFilePath}.s";
var asmgen = new CompressedAssembliesNativeAssemblyGenerator(dict, asmTargetProvider, baseAsmFilePath);
using (var sw = MemoryStreamPool.Shared.CreateStreamWriter()) {
asmgen.Write(sw);
sw.Flush();
if (MonoAndroidHelper.CopyIfStreamChanged(sw.BaseStream, asmFilePath))
{
Log.LogDebugMessage($"File {asmFilePath} was regenerated");
}
}
}
}
}