private void populateDataGridView()
{
// List all plugins in the UI and enable the update button for out of date plugins
var plugins = EncompassHelper.RemoteSession.StartupInfo.Plugins;
var updatedSsi = EncompassHelper.SessionObjects.Session.GetSessionStartupInfo();
using (ShadowedCache shadowedCache = new ShadowedCache("Plugins"))
{
foreach (var pluginInfo in plugins)
{
// Check if the plugin supports hot updating
bool pluginIsHotUpdate = RunningPlugins.Plugins.ContainsKey(pluginInfo.Name);
if (pluginIsHotUpdate)
{
Version fileVersion = shadowedCache.GetFileVersion(pluginInfo.Name);
// Find the latest plugin version
var serverPluginInfo = updatedSsi.Plugins.FirstOrDefault(f => f.Name == pluginInfo.Name);
string[] row = { pluginInfo.Name, fileVersion.ToString(), serverPluginInfo.Version.ToString(), "Update" };
grdPlugins.Rows.Add(row);
if (fileVersion == null || serverPluginInfo.Version != fileVersion)
{
grdPlugins.Rows[grdPlugins.Rows.Count - 1].Cells[1].Style.BackColor = Color.DarkRed;
}
}
}
}
}
internal static void LoadHotUpdatePlugins()
{
using (ShadowedCache shadowedCache = new ShadowedCache("Plugins"))
{
try
{
var plugins = EncompassHelper.RemoteSession.StartupInfo.Plugins;
var assemblies = AppDomain.CurrentDomain.GetAssemblies().ToList();
foreach (var pluginInfo in plugins)
{
string assemblyPath = shadowedCache.GetFilePath(pluginInfo.Name);
string assmName = Path.GetFileNameWithoutExtension(assemblyPath);
// The plugin should already be loaded into the assembly cache
var appAssm = assemblies.FirstOrDefault(w => w.FullName.Contains(assmName));
if (appAssm != null)
{
var loadedAssmTypes = appAssm.GetTypes();
var loadedTypesWithAttr = loadedAssmTypes.Where(s => s.GetCustomAttributes(true).Any(a => a.GetType().FullName.Contains("HotUpdatePlugin.Objects.Attributes.HotUpdatePluginAttribute")));
if (loadedTypesWithAttr.Count() > 0)
{
RunningPlugin rp = new RunningPlugin();
// Load the updated plugin assembly
Assembly assembly = RuntimeContext.Current.LoadAssembly(assemblyPath, EncompassHelper.SessionObjects.StartupInfo.RevertPluginChanges);
rp.Assembly = assembly;
var assmTypes = assembly.GetTypes();
var typesWithAttr = assmTypes.Where(s => s.GetCustomAttributes(true).Any(a => a.GetType().FullName.Contains("HotUpdatePlugin.Objects.Attributes.HotUpdatePluginAttribute")));
List <object> instances = new List <object>();
foreach (Type type in typesWithAttr)
{
object pluginInstance = type.InvokeMember("", BindingFlags.CreateInstance, null, null, new object[0]);
instances.Add(pluginInstance);
}
rp.Instances = instances;
RunningPlugins.Plugins.Add(pluginInfo.Name, rp);
}
}
}
}
catch (Exception ex)
{
Logger.HandleError(ex, nameof(PluginLoader), (object)null);
}
}
}
internal static void UpdatePlugin(PluginInfo pluginInfo)
{
using (ShadowedCache shadowedCache = new ShadowedCache("Plugins"))
{
Version fileVersion = shadowedCache.GetFileVersion(pluginInfo.Name);
Version version = pluginInfo.Version;
// Download the latest server plugin and put into the cache
if (fileVersion == null || version != fileVersion)
{
shadowedCache.Put(pluginInfo.Name, EncompassHelper.SessionObjects.ConfigurationManager.GetPluginAssembly(pluginInfo.Name));
}
// Dispose of the existing hot updateable plugin
RunningPlugins.Plugins.TryGetValue(pluginInfo.Name, out RunningPlugin runningPlugin);
if (runningPlugin != null)
{
foreach (var instance in runningPlugin.Instances)
{
Type runningType = instance.GetType();
runningType.InvokeMember("Dispose", BindingFlags.InvokeMethod | BindingFlags.Instance | BindingFlags.Public, null, instance, new object[0]);
}
runningPlugin.Instances = null;
runningPlugin.Assembly = null;
RunningPlugins.Plugins.Remove(pluginInfo.Name);
GC.Collect();
}
RunningPlugin rp = new RunningPlugin();
// Load the updated plugin assembly
string assemblyPath = shadowedCache.GetFilePath(pluginInfo.Name);
Assembly assembly = RuntimeContext.Current.LoadAssembly(assemblyPath, EncompassHelper.SessionObjects.StartupInfo.RevertPluginChanges);
rp.Assembly = assembly;
var assmTypes = assembly.GetTypes();
var typesWithAttr = assmTypes.Where(s => s.GetCustomAttributes(true).Any(a => a.GetType().FullName.Contains("HotUpdatePlugin.Objects.Attributes.HotUpdatePluginAttribute")));
List <object> instances = new List <object>();
foreach (Type type in typesWithAttr)
{
object pluginInstance = type.InvokeMember("", BindingFlags.CreateInstance, null, null, new object[0]);
instances.Add(pluginInstance);
}
rp.Instances = instances;
RunningPlugins.Plugins.Add(pluginInfo.Name, rp);
}
}
private void GrdPlugins_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
var grdPlugins = (DataGridView)sender;
if (grdPlugins.Rows.Count > 0 && grdPlugins.Columns[e.ColumnIndex] is DataGridViewButtonColumn &&
e.RowIndex >= 0)
{
using (ShadowedCache shadowedCache = new ShadowedCache("Plugins"))
{
// Get the plugin name
string pluginName = (string)grdPlugins.Rows[e.RowIndex].Cells[0].Value;
var updatedSsi = EncompassHelper.SessionObjects.Session.GetSessionStartupInfo();
var serverPluginInfo = updatedSsi.Plugins.FirstOrDefault(f => f.Name == pluginName);
Version fileVersion = shadowedCache.GetFileVersion(serverPluginInfo.Name);
if (fileVersion == null || serverPluginInfo.Version != fileVersion)
{
if (chkUpdateAll.Checked)
{
EncompassApplication.Session.DataExchange.PostDataToAll(serverPluginInfo);
}
else
{
try
{
PluginLoader.UpdatePlugin(serverPluginInfo);
MessageBox.Show($"Successfuly Hot Updated {serverPluginInfo.Name}");
}
catch (Exception ex)
{
Logger.HandleError(ex, nameof(PluginHotUpdate_Form), (object)null);
MessageBox.Show($"Failed to Hot Update {serverPluginInfo.Name}{Environment.NewLine}Error:{Environment.NewLine}{ex.Message}");
}
}
}
else
{
MessageBox.Show($"Client Version [{fileVersion}] matches Server Version [{serverPluginInfo.Version}]{Environment.NewLine}{Environment.NewLine}Update will not be run");
}
}
refreshGrid();
}
}
