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Enable TCP_NODELAY

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This commit is contained in:
Mino 2019-11-17 00:04:12 +09:00
parent d0209fe6a3
commit 642c84f0e5
2 changed files with 62 additions and 1 deletions
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8
Dalamud/Dalamud.cs
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@ -46,6 +46,8 @@ namespace Dalamud {
public readonly DalamudConfiguration Configuration;
internal readonly WinSockHandlers WinSock2;
public Dalamud(DalamudStartInfo info) {
this.StartInfo = info;
this.Configuration = DalamudConfiguration.Load(info.ConfigurationPath);
@ -75,7 +77,9 @@ namespace Dalamud {
this.PluginManager = new PluginManager(this, info.PluginDirectory, info.DefaultPluginDirectory);
this.IconReplacer = new IconReplacer(this, this.sigScanner);
this.WinSock2 = new WinSockHandlers();
try {
this.PluginManager.LoadPlugins();
} catch (Exception ex) {
@ -109,6 +113,8 @@ namespace Dalamud {
this.unloadSignal.Dispose();
this.WinSock2.Dispose();
if (this.Configuration.ComboPresets != CustomComboPreset.None)
this.IconReplacer.Dispose();
}

55
Dalamud/Game/Network/WinSockHandlers.cs Normal file
View file

@ -0,0 +1,55 @@
using Dalamud.Hooking;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace Dalamud.Game
{
internal sealed class WinSockHandlers : IDisposable
{
[UnmanagedFunctionPointer(CallingConvention.Winapi)]
private delegate IntPtr SocketDelegate(int af, int type, int protocol);
private Hook<SocketDelegate> ws2SocketHook;
[DllImport("ws2_32.dll", CallingConvention = CallingConvention.Winapi)]
private static extern int setsockopt(IntPtr socket, SocketOptionLevel level, SocketOptionName optName, ref IntPtr optVal, int optLen);
public WinSockHandlers() {
ws2SocketHook = Hook<SocketDelegate>.FromSymbol("ws2_32.dll", "socket", new SocketDelegate(OnSocket));
ws2SocketHook.Enable();
}
private IntPtr OnSocket(int af, int type, int protocol)
{
var socket = ws2SocketHook.Original(af, type, protocol);
// IPPROTO_TCP
if (type == 1)
{
// INVALID_SOCKET
if (socket != new IntPtr(-1))
{
// In case you're not aware of it: (albeit you should)
// https://linux.die.net/man/7/tcp
// https://assets.extrahop.com/whitepapers/TCP-Optimization-Guide-by-ExtraHop.pdf
var value = new IntPtr(1);
setsockopt(socket, SocketOptionLevel.Tcp, SocketOptionName.NoDelay, ref value, 4);
// Enable tcp_quickack option. This option is undocumented in MSDN but it is supported in Windows 7 and onwards.
value = new IntPtr(1);
setsockopt(socket, SocketOptionLevel.Tcp, (SocketOptionName)12, ref value, 4);
}
}
return socket;
}
public void Dispose() {
ws2SocketHook.Dispose();
}
}
}