public override void PacketReceived(IDataPacket packet, IChannel sender)
{
if (packet is FetchPluginMetadataPacket)
{
var mdPacket = packet as FetchPluginMetadataPacket;
Globals.PluginAggregator.FetchRemotePlugins();
// No plugins on client side
if (mdPacket.PluginList.Count == 0)
{
var pluginActionPacket = new PluginActionPacket();
foreach (var remotePlugin in Globals.PluginAggregator.LoadedRemotePlugins)
{
if (!remotePlugin.AssociatedServerPluginHost.Enabled)
{
continue;
}
pluginActionPacket.Actions.Add(new PluginActionPacket.PluginActionData
{
Action = PluginActionPacket.PluginAction.Add,
PluginGuid = remotePlugin.PluginGuid,
IntegrityHash = remotePlugin.Hash,
PluginData = remotePlugin.Data
});
}
SendPacket(pluginActionPacket);
}
else if (mdPacket.PluginList.Count != Globals.PluginAggregator.LoadedRemotePlugins.Count(p => p.AssociatedServerPluginHost.Enabled))
{
var pluginActionPacket = new PluginActionPacket();
foreach (var localPlugin in Globals.PluginAggregator.LoadedRemotePlugins)
{
if (!localPlugin.AssociatedServerPluginHost.Enabled)
{
continue;
}
if (mdPacket.PluginList.FirstOrDefault(p => p.PluginGuid.Equals(localPlugin.PluginGuid)) == null)
{
pluginActionPacket.Actions.Add(new PluginActionPacket.PluginActionData
{
Action = PluginActionPacket.PluginAction.Add,
PluginGuid = localPlugin.PluginGuid,
IntegrityHash = localPlugin.Hash,
PluginData = localPlugin.Data
});
}
}
CorrectPluginMismatches(mdPacket, ref pluginActionPacket);
SendPacket(pluginActionPacket);
}
SendPacket(new SynchronizationFinalizationPacket());
}
}
private static void CorrectPluginMismatches(FetchPluginMetadataPacket mdPacket,
ref PluginActionPacket pluginActionPacket)
{
foreach (var remotePlugin in mdPacket.PluginList)
{
PluginAggregator.RemoteClientPlugin localPlugin = null;
try
{
localPlugin =
Globals.PluginAggregator.LoadedRemotePlugins.Find(
p => p.PluginGuid.Equals(remotePlugin.PluginGuid));
}
catch
{
}
// Client has a plugin we don't, remove it
if (localPlugin == null || !localPlugin.AssociatedServerPluginHost.Enabled)
{
pluginActionPacket.Actions.Add(new PluginActionPacket.PluginActionData
{
Action = PluginActionPacket.PluginAction.Remove,
PluginGuid = remotePlugin.PluginGuid,
IntegrityHash = new byte[32],
PluginData = new byte[] { 0 }
});
}
else if (!localPlugin.Hash.SequenceEquals(remotePlugin.IntegrityHash))
{
pluginActionPacket.Actions.Add(new PluginActionPacket.PluginActionData
{
Action = PluginActionPacket.PluginAction.Replace,
PluginGuid = remotePlugin.PluginGuid,
IntegrityHash = localPlugin.Hash,
PluginData = localPlugin.Data
});
}
}
}