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Plugin loading!

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This commit is contained in:
Heath Volmer
2019-05-21 13:58:57 -06:00
parent 697b9109a3
commit 95c0f57000
3 changed files with 39 additions and 28 deletions
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63
PepperDashEssentials/ControlSystem.cs
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@@ -11,7 +11,6 @@ using Crestron.SimplSharp.Reflection;
using PepperDash.Core;
using PepperDash.Essentials.Core;
using PepperDash.Essentials.Core.Config;
using PepperDash.Essentials.Core.Factory;
using PepperDash.Essentials.Devices.Common;
using PepperDash.Essentials.DM;
using PepperDash.Essentials.Fusion;
@@ -194,26 +193,38 @@ namespace PepperDash.Essentials
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 files = di.GetFiles("*.dll");
foreach (FileInfo fi in files)
{
Debug.Console(0, "Checking file '{0}' for factory", fi.Name);
// TODO COPY plugin to loadedPlugins folder
// TODO LOAD that loadedPlugins dll file
var assy = Assembly.LoadFrom(fi.FullName);
var type = assy.GetType("PepperDash.Essentials.Plugin.Factory");
var factory = Crestron.SimplSharp.Reflection.Activator.CreateInstance(type);
if (factory is PepperDash.Essentials.Core.Factory.IGetCrestronDevice)
var ver = assy.GetName().Version;
var verStr = string.Format("{0}.{1}.{2}.{3}", ver.Major, ver.Minor, ver.Build, ver.Revision);
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Loaded plugin file '{0}', version {1}", fi.FullName, verStr);
// iteratate this assembly's classes, looking for "LoadPlugin()" methods
var types = assy.GetTypes();
foreach (var type in types)
{
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Loaded '{0}' for Crestron device(s)", fi.Name);
FactoryObjects.Add(factory);
}
else
{
Debug.Console(0, Debug.ErrorLogLevel.Warning,
"Plugin '{0}' does not conform to any loadable types. DLL should be removed from plugins folder. Ignoring",
fi.Name);
var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Static);
var loadPlugin = methods.FirstOrDefault(m => m.Name.Equals("LoadPlugin"));
if (loadPlugin != null)
{
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Adding type {0}", fi.FullName, type.FullName);
loadPlugin.Invoke(null, null);
}
}
// plugin dll will be loaded. Any classes in plugin should have a static constructor
// that registers that class with the Core.DeviceFactory
}
}
}
@@ -318,7 +329,7 @@ namespace PepperDash.Essentials
try
{
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Creating device '{0}'", devConf.Key);
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Creating device '{0}', type '{1}'", devConf.Key, devConf.Type);
// Skip this to prevent unnecessary warnings
if (devConf.Key == "processor")
{
@@ -348,18 +359,18 @@ namespace PepperDash.Essentials
if (newDev == null)
newDev = PepperDash.Essentials.BridgeFactory.GetDevice(devConf);
if (newDev == null) // might want to consider the ability to override an essentials "type"
{
// iterate plugin factories
foreach (var f in FactoryObjects)
{
var cresFactory = f as IGetCrestronDevice;
if (cresFactory != null)
{
newDev = cresFactory.GetDevice(devConf, this);
}
}
}
//if (newDev == null) // might want to consider the ability to override an essentials "type"
//{
// // iterate plugin factories
// foreach (var f in FactoryObjects)
// {
// var cresFactory = f as IGetCrestronDevice;
// if (cresFactory != null)
// {
// newDev = cresFactory.GetDevice(devConf, this);
// }
// }
//}
if (newDev != null)
DeviceManager.AddDevice(newDev);