private static void ChangeWatcher_Changed(object sender, FileSystemEventArgs e)
{
var watcher = sender as FileSystemWatcher;
if (watcher == null)
{
return;
}
var path = watcher.Path;
DynamicScriptConfig dc = null;
try
{
watcher.EnableRaisingEvents = false;
lock (Lock)
{
if (DynamicScriptConfigs.ContainsKey(path))
{
dc = DynamicScriptConfigs[path];
LoadScript(dc.DepConfigFile, dc.Directory);
Logger.InfoFormat("成功更新传感器适配器");
}
}
}
catch (Exception)
{
}
finally
{
//reset dc
dc = DynamicScriptConfigs[path];
watcher = dc != null ? dc.ChangeWatcher : null;
if (watcher != null)
{
watcher.EnableRaisingEvents = true;
}
}
}
public static void LoadScript(string depDescFile, string directory)
{
if (!Directory.Exists(directory))
{
throw new FileNotFoundException(string.Format("Directory {0} not exist.", directory));
}
directory = Path.GetFullPath(directory);
lock (Lock)
{
if (DynamicScriptConfigs.ContainsKey(directory))
{
Cleanup(directory);
}
var dc = new DynamicScriptConfig
{
ChangeWatcher = new FileSystemWatcher
{
Path = directory,
IncludeSubdirectories = false,
Filter = "*.cs"
},
Directory = directory,
DepConfigFile = depDescFile
};
var domain = "CrossDomainCompilerDomain-" + Guid.NewGuid();
var appDomain = AppDomain.CreateDomain(domain, new Evidence(), new AppDomainSetup
{
// !! 作为动态库使用时，需要指定自身所在目录
ApplicationBase = AppDomain.CurrentDomain.BaseDirectory
});
appDomain.SetData("APP_CONFIG_FILE", AppDomain.CurrentDomain.GetData("APP_CONFIG_FILE"));
try
{
Logger.DebugFormat("Ceating AppDomain: {0}", domain);
var compiler =
(CrossDomainCompiler)
appDomain.CreateInstanceAndUnwrap(Assembly.GetExecutingAssembly().FullName,
typeof(CrossDomainCompiler).FullName);
var scriptFiles = Directory.GetFiles(directory, "*.cs");
DynamicScriptConfigs.Add(directory, dc);
dc.ChangeWatcher.Changed += ChangeWatcher_Changed;
dc.ChangeWatcher.Created += ChangeWatcher_Changed;
dc.ChangeWatcher.Deleted += ChangeWatcher_Changed;
dc.ChangeWatcher.EnableRaisingEvents = true;
if (!compiler.CompileAssembly(depDescFile, scriptFiles))
{
var error = string.Format("Compiler {0} with {1} failed. See the detail above", directory,
depDescFile);
Logger.Error(error);
throw new CompileErrorException(error);
}
dc.Domain = appDomain;
dc.Compiler = compiler;
}
catch (Exception ex)
{
Logger.DebugFormat("Unloading AppDomain: {0}", domain);
AppDomain.Unload(appDomain);
throw ex;
}
}
}
