/// <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 = CSharpReferenceManager.GetMetaDataReferences()[_currentAppName];
var compilation = CSharpCompilation.Create(assemblyName,
new[] { GetSyntaxTree(script) }, references,
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithOptimizationLevel(FaaSSettingsConfigHelper.IsDebugMode() ? OptimizationLevel.Debug : OptimizationLevel.Release));
Assembly assembly = null;
using (var assemblyStream = new MemoryStream())
{
using (var pdbStream = new MemoryStream())
{
var emitDynamicScriptExecuteResult = compilation.Emit(assemblyStream, pdbStream);
if (emitDynamicScriptExecuteResult.Success)
{
var assemblyBytes = assemblyStream.GetBuffer();
var pdbBytes = pdbStream.GetBuffer();
assembly = Assembly.Load(assemblyBytes, pdbBytes);
//output files
if (FaaSSettingsConfigHelper.IsOutPutFiles())
{
OutputDynamicScriptAllFile(script, assemblyName, assemblyBytes, pdbBytes);
}
}
else
{
var msgs = new StringBuilder();
foreach (var msg in emitDynamicScriptExecuteResult.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 (FaaSSettingsConfigHelper.IsOutPutFiles())
{
WriteDynamicScriptCs(Path.Combine(EnsureOutputPath(), assemblyName + ".cs"), script);
}
errorMsg = msgs.ToString();
_logger.LogError(String.Format("{0}：{1}：{2}：{3}：{4}", _tenantId, "CSharp", _currentAppName, errorMsg, _scriptHash));
}
}
}
_logger.LogInformation($"CreateAsmExecutor -> _context:{_tenantId},{"CSharp"}, {_currentAppName},{_scriptHash} _scriptTypeDict:{_scriptTypeDict?.Count} _metadataReferences:{ CSharpReferenceManager.GetMetaDataReferences()[_currentAppName]?.Count}");
return(assembly);
}
/// <summary>
/// 引用第三方包，配置文件中配置引用key=对应服务的应用名
/// </summary>
private static void ReferenceAssembly()
{
//这里配置的程序集引用要写文件全名，包括路径和后缀
var assemblyInfos = AssemblyReferenceConfig.GetCurrentAppAssemblyReferenceInfos();
//为不为空都把默认执行路径加上扫描
var dirs = FaaSSettingsConfigHelper.GetReferenceDirs();
if (dirs == null)
{
dirs = new List <string>();
}
dirs.Insert(0, AppContext.BaseDirectory);
dirs.Add(Path.GetDirectoryName(typeof(object).Assembly.Location));
_logger.LogInformation($"scan config dirs: [{string.Join(",", dirs)}].");
if (assemblyInfos == null || !assemblyInfos.Any())
{
return;
}
foreach (var assemblyInfo in assemblyInfos)
{
foreach (var dir in dirs)
{
var fileFullPath = Path.Combine(dir, assemblyInfo.Assembly);
if (!File.Exists(fileFullPath))
{
continue;
}
//如果文件存在，则加载完成后跳过后续扫描
_metadataReferences[_currentAppName].Add(MetadataReference.CreateFromFile(fileFullPath));
break;
}
}
}
public void GetReferenceDirs()
{
var referenceDirs = FaaSSettingsConfigHelper.GetReferenceDirs();
Assert.NotEmpty(referenceDirs);
}
