/// <summary>
/// 加载自定义程序集
/// </summary>
private static void LoadCustomAssembly(HashSet <string> loadLocations)
{
//dll加载的目录
var dllScanAndLoadPath = ScriptEngineCSharpConfigHelper.GetDllScanAndLoadPath();
_logger.LogInformation($"bamboo script engine csharp compnent -> scan config dirs: [{string.Join(",", dllScanAndLoadPath)}]");
foreach (var dllPath in dllScanAndLoadPath)
{
//如果配置的是文件，则按文件加载
if (File.Exists(dllPath))
{
loadLocations.Add(dllPath);
}
//如果配置的是文件夹，那么将目录下的所有dll都加载
else if (Directory.Exists(dllPath))
{
//拿到目录下全部dll
var dlls = Directory.GetFiles(dllPath, "*.dll", SearchOption.AllDirectories) ?? new string[0];
foreach (var item in dlls)
{
loadLocations.Add(item);
}
}
}
}
/// <summary>
/// Create Assembly whick will run
/// </summary>
/// <param name="script"></param>
/// <param name="errorMsg"></param>
/// <returns></returns>
private Assembly CreateAsmExecutor(string script, out string errorMsg)
{
errorMsg = null;
var assemblyName = _scriptHash;
var references = ReferenceManager.GetMetaDataReferences()[_currentAppName];
var compilation = CSharpCompilation.Create(assemblyName,
new[] { GetSyntaxTree(script) }, references,
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithOptimizationLevel(ScriptEngineCSharpConfigHelper.IsDebugModeCompile() ? OptimizationLevel.Debug : OptimizationLevel.Release));
Assembly assembly = null;
using (var assemblyStream = new MemoryStream())
{
using (var pdbStream = new MemoryStream())
{
var emitExecutionResult = compilation.Emit(assemblyStream, pdbStream);
if (emitExecutionResult.Success)
{
var assemblyBytes = assemblyStream.GetBuffer();
var pdbBytes = pdbStream.GetBuffer();
assembly = Assembly.Load(assemblyBytes, pdbBytes);
//output files
if (ScriptEngineCSharpConfigHelper.IsIsOutPutCompileFiles())
{
OutputDynamicScriptAllFile(script, assemblyName, assemblyBytes, pdbBytes);
}
}
else
{
var msgs = new StringBuilder();
foreach (var msg in emitExecutionResult.Diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error).Select(d => string.Format("[{0}]:{1}({2})", d.Id, d.GetMessage(), d.Location.GetLineSpan().StartLinePosition)))
{
msgs.AppendLine(msg);
}
if (ScriptEngineCSharpConfigHelper.IsIsOutPutCompileFiles())
{
WriteDynamicScriptCs(Path.Combine(EnsureOutputPath(), assemblyName + ".cs"), script);
}
errorMsg = msgs.ToString();
_logger.LogError(string.Format("{0}：{1}：{2}：{3}", "CSharp", _currentAppName, errorMsg, _scriptHash));
}
}
}
_logger.LogInformation($"CreateAsmExecutor -> _context: CSharp, {_currentAppName},{_scriptHash} _scriptTypeDict:{_scriptTypeDict?.Count} _metadataReferences:{ ReferenceManager.GetMetaDataReferences()[_currentAppName]?.Count}");
return(assembly);
}
/// <summary>
/// 加载安装包程序集
/// </summary>
/// <param name="loadLocations"></param>
private static void LoadPackageAssembly(HashSet <string> loadLocations)
{
//download
var logger = NullLogger.Instance;
CancellationToken cancellationToken = CancellationToken.None;
//dll下载目录
var downloadPath = Directory.CreateDirectory(Path.Combine(AppContext.BaseDirectory, Consts.BambooScriptEnginePackageDownload)).FullName;
ConcurrentBag <string> concurrentBag = new ConcurrentBag <string>();
//并行下载
ScriptEngineCSharpConfigHelper.GetInstallPackageSourceDic().AsParallel().ForAll(current =>
//foreach (var current in ScriptEngineCSharpConfigHelper.GetInstallPackageSourceDic())//Debug
{
SourceCacheContext cache = new SourceCacheContext();
var package = current.Key;
var currentVersionPath = Path.Combine(downloadPath, package.PackageId.ToLower(), package.Version.ToLower());
//先查询本地文件是否存在，如果存在，就无需再去下载
if (Directory.Exists(currentVersionPath))
{
var file = Directory.GetFiles(currentVersionPath, "*.dll", SearchOption.AllDirectories).FirstOrDefault(t => Path.GetFileName(t).Equals(string.Concat(package.PackageId, ".dll")));
if (file != null)
{
concurrentBag.Add(file);
return;
}
}
//标记是否当前包已经成功匹配，如果成功，则不会继续在后续的源中查找
bool isCurrentPackageMatchSuccess = false;
foreach (var source in current.Value)
{
if (isCurrentPackageMatchSuccess)
{
break;
}
SourceRepository repository = Repository.Factory.GetCoreV3(source);
FindPackageByIdResource resource = repository.GetResourceAsync <FindPackageByIdResource>().Result;
//当前源没有找到这个包，换下一个源下载
if (!resource.DoesPackageExistAsync(package.PackageId, new NuGetVersion(package.Version), cache, logger, cancellationToken).Result)
{
continue;
}
using (MemoryStream packageStream = new MemoryStream())
{
//复制包
if (!resource.CopyNupkgToStreamAsync(package.PackageId, new NuGetVersion(package.Version), packageStream, cache, logger, cancellationToken).Result)
{
_logger.LogError($"copy package of {package.PackageId} {package.Version} from source [{source}] error");
break;
}
using (PackageArchiveReader packageReader = new PackageArchiveReader(packageStream))
{
_logger.LogDebug($"copy package of {package.PackageId} {package.Version} from source [{source}] success");
var files = packageReader.GetFiles().Where(t => Path.GetExtension(t).Equals(".dll")).ToArray();
foreach (var file in files)
{
if (isCurrentPackageMatchSuccess)
{
break;
}
//按顺序匹配对应版本的dll
foreach (var matchItem in Consts.MatchDllVersionFromNugetPackageSequnce)
{
if (file.Contains(matchItem))
{
var fileFullPath = Path.Combine(currentVersionPath, file);
if (!File.Exists(fileFullPath))
{
packageReader.ExtractFile(file, fileFullPath, logger);
}
concurrentBag.Add(fileFullPath);
isCurrentPackageMatchSuccess = true;
break;
}
}
}
}
}
}
//}//DEBUG
});
//添加到dll引用目录
loadLocations.AddRange(concurrentBag);
}
