/// <summary>
/// Unzips each .cplz archive into the temp directory and moves any unloaded files into loadedPlugins
/// </summary>
static void UnzipAndMoveCplzArchives()
{
Debug.Console(0, "Looking for .cplz archives from plugins folder...");
var di = new DirectoryInfo(_pluginDirectory);
var zFiles = di.GetFiles("*.cplz");
if (zFiles.Length > 0)
{
if (!Directory.Exists(_loadedPluginsDirectoryPath))
{
Directory.CreateDirectory(_loadedPluginsDirectoryPath);
}
}
foreach (var zfi in zFiles)
{
Directory.CreateDirectory(_tempDirectory);
var tempDi = new DirectoryInfo(_tempDirectory);
Debug.Console(0, "Found cplz: {0}. Unzipping into temp plugins directory", zfi.Name);
var result = CrestronZIP.Unzip(zfi.FullName, tempDi.FullName);
Debug.Console(0, "UnZip Result: {0}", result.ToString());
var tempFiles = tempDi.GetFiles("*.dll");
foreach (var tempFile in tempFiles)
{
try
{
if (!CheckIfAssemblyLoaded(tempFile.Name))
{
string filePath = string.Empty;
filePath = _loadedPluginsDirectoryPath + Global.DirectorySeparator + tempFile.Name;
// Check if there is a previous file in the loadedPlugins directory and delete
if (File.Exists(filePath))
{
Debug.Console(0, "Found existing file in loadedPlugins: {0} Deleting and moving new file to replace it", filePath);
File.Delete(filePath);
}
// Move the file
File.Move(tempFile.FullName, filePath);
Debug.Console(2, "Moved {0} to {1}", tempFile.FullName, filePath);
}
else
{
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Skipping assembly: {0}. There is already an assembly with that name loaded.", tempFile.FullName);
}
}
catch (Exception e)
{
Debug.Console(2, "Assembly {0} is not a custom assembly. Exception: {1}", tempFile.FullName, e);
continue; //catching any load issues and continuing. There will be exceptions loading Crestron .dlls from the cplz Probably should do something different here
}
}
// Delete the .cplz and the temp directory
Directory.Delete(_tempDirectory, true);
zfi.Delete();
}
Debug.Console(0, "Done with .cplz archives");
}
/// <summary>
/// Initial simple implementation. Reads user/programXX/plugins folder and
/// use
/// </summary>
void LoadPlugins()
{
var dir = Global.FilePathPrefix + "plugins";
if (Directory.Exists(dir))
{
// TODO Clear out or create localPlugins folder (maybe in program slot folder)
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Plugins directory found, checking for factory plugins");
var di = new DirectoryInfo(dir);
var zFiles = di.GetFiles("*.cplz");
foreach (var fi in zFiles)
{
Debug.Console(0, "Found cplz: {0}. Unzipping into plugins directory", fi.Name);
var result = CrestronZIP.Unzip(fi.FullName, di.FullName);
Debug.Console(0, "UnZip Result: {0}", result.ToString());
fi.Delete();
}
var files = di.GetFiles("*.dll");
Dictionary <string, Assembly> assyList = new Dictionary <string, Assembly>();
foreach (FileInfo fi in files)
{
// TODO COPY plugin to loadedPlugins folder
// TODO LOAD that loadedPlugins dll file
try
{
var assy = Assembly.LoadFrom(fi.FullName);
var ver = assy.GetName().Version;
var verStr = string.Format("{0}.{1}.{2}.{3}", ver.Major, ver.Minor, ver.Build, ver.Revision);
assyList.Add(fi.FullName, assy);
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Loaded plugin file '{0}', version {1}", fi.FullName, verStr);
}
catch
{
Debug.Console(2, "Assembly {0} is not a custom assembly", fi.FullName);
continue; //catching any load issues and continuing. There will be exceptions loading Crestron .dlls from the cplz Probably should do something different here
}
}
foreach (var assy in assyList)
{
// iteratate this assembly's classes, looking for "LoadPlugin()" methods
try
{
var types = assy.Value.GetTypes();
foreach (var type in types)
{
try
{
var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Static);
var loadPlugin = methods.FirstOrDefault(m => m.Name.Equals("LoadPlugin"));
if (loadPlugin != null)
{
Debug.Console(2, "LoadPlugin method found in {0}", type.Name);
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Static);
var minimumVersion = fields.FirstOrDefault(p => p.Name.Equals("MinimumEssentialsFrameworkVersion"));
if (minimumVersion != null)
{
Debug.Console(2, "MinimumEssentialsFrameworkVersion found");
var minimumVersionString = minimumVersion.GetValue(null) as string;
if (!string.IsNullOrEmpty(minimumVersionString))
{
var passed = Global.IsRunningMinimumVersionOrHigher(minimumVersionString);
if (!passed)
{
Debug.Console(0, Debug.ErrorLogLevel.Error, "Plugin indicates minimum Essentials version {0}. Dependency check failed. Skipping Plugin", minimumVersionString);
continue;
}
else
{
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Passed plugin passed dependency check (required version {0})", minimumVersionString);
}
}
else
{
Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion found but not set. Loading plugin, but your mileage may vary.");
}
}
else
{
Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion not found. Loading plugin, but your mileage may vary.");
}
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Adding plugin: {0}", assy.Key);
loadPlugin.Invoke(null, null);
}
}
catch
{
Debug.Console(2, "Load Plugin not found. {0} is not a plugin assembly", assy.Value.FullName);
continue;
}
}
}
catch
{
Debug.Console(2, "Assembly {0} is not a custom assembly. Types cannot be loaded.", assy.Value.FullName);
continue;
}
}
// plugin dll will be loaded. Any classes in plugin should have a static constructor
// that registers that class with the Core.DeviceFactory
}
}
