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/*
* Copyright (c) 2024 Vaughn Nugent
*
* Library: VNLib
* Package: ObjectCacheServer
* File: ObjectCacheServerEntry.cs
*
* ObjectCacheServerEntry.cs is part of ObjectCacheServer which is part of the larger
* VNLib collection of libraries and utilities.
*
* ObjectCacheServer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* ObjectCacheServer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using System;
using System.Collections.Generic;
using VNLib.Plugins;
using VNLib.Utils;
using VNLib.Utils.Logging;
using VNLib.Plugins.Extensions.Loading;
using VNLib.Plugins.Extensions.Loading.Routing;
using VNLib.Data.Caching.ObjectCache.Server.Endpoints;
using VNLib.Data.Caching.ObjectCache.Server.Clustering;
namespace VNLib.Data.Caching.ObjectCache.Server
{
public sealed class ObjectCacheServerEntry : PluginBase
{
public override string PluginName => "ObjectCache.Service";
ObjectCacheSystemState? sysState;
protected override void OnLoad()
{
try
{
//Initialize the cache node builder
sysState = this.GetOrCreateSingleton<ObjectCacheSystemState>();
sysState.Initialize();
//Route well-known endpoint
this.Route<WellKnownEndpoint>();
//Init connect endpoint
this.Route<ConnectEndpoint>();
//We must initialize the replication manager
_ = this.GetOrCreateSingleton<CacheNodeReplicationMaanger>();
//Setup discovery endpoint only if the user enabled clustering
if(!string.IsNullOrWhiteSpace(sysState.ClusterConfig.DiscoveryPath))
{
this.Route<PeerDiscoveryEndpoint>();
}
Log.Information("Plugin loaded");
}
catch (KeyNotFoundException kne)
{
Log.Error("Missing required configuration variables {m}", kne.Message);
}
}
protected override void OnUnLoad()
{
Log.Information("Plugin unloaded");
}
protected override void ProcessHostCommand(string cmd)
{
if(string.IsNullOrWhiteSpace(cmd))
{
return;
}
ArgumentList al = new(cmd.Split(" "));
if(al.Count == 0)
{
Log.Warn("Invalid command");
return;
}
switch (al[0].ToLower(null))
{
case "memstats":
sysState?.LogMemoryStats();
break;
default:
Log.Warn("Invalid command");
break;
}
}
}
}
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