warrentyexpired/ModernUO
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

fix: Stops creating blocked packets entirely (#944)

Browse source 
Optimizes larger servers where users are logging in and packets are being created for no reason.
This commit is contained in:
Kamron Batman 2022-02-27 00:13:49 -08:00 • committed by GitHub
parent 5db8b1354c
commit 941452de4a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
58 changed files with 5510 additions and 5537 deletions
Download patch file Download diff file Expand all files Collapse all files

479
Projects/Server/Network/Packets/OutgoingMessagePackets.cs
View file

@ -19,264 +19,263 @@ using System.IO;
using System.Runtime.CompilerServices;
using Server.Prompts;
namespace Server.Network
namespace Server.Network;
[Flags]
public enum AffixType : byte
{
[Flags]
public enum AffixType : byte
Append = 0x00,
Prepend = 0x01,
System = 0x02
}
public static class OutgoingMessagePackets
{
public static void SendMessageLocalized(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name = "", string args = ""
)
{
Append = 0x00,
Prepend = 0x01,
System = 0x02
if (ns.CannotSendPackets())
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLocalizedLength(args)];
var length = CreateMessageLocalized(
buffer, serial, graphic, type, hue, font, number, name, args
);
ns.Send(buffer[..length]);
}
public static class OutgoingMessagePackets
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLocalizedLength(string args) => 50 + (args?.Length ?? 0) * 2;
public static int CreateMessageLocalized(
Span<byte> buffer,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name = "", string args = ""
)
{
public static void SendMessageLocalized(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name = "", string args = ""
)
if (buffer[0] != 0)
{
if (ns == null)
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLocalizedLength(args)];
var length = CreateMessageLocalized(
buffer, serial, graphic, type, hue, font, number, name, args
);
ns.Send(buffer[..length]);
return buffer.Length;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLocalizedLength(string args) => 50 + (args?.Length ?? 0) * 2;
name ??= "";
args ??= "";
public static int CreateMessageLocalized(
Span<byte> buffer,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name = "", string args = ""
)
if (hue == 0)
{
if (buffer[0] != 0)
{
return buffer.Length;
}
hue = 0x3B2;
}
name ??= "";
args ??= "";
var writer = new SpanWriter(buffer);
writer.Write((byte)0xC1);
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
writer.Write(number);
writer.WriteAscii(name, 30);
writer.WriteLittleUniNull(args);
if (hue == 0)
{
hue = 0x3B2;
}
writer.WritePacketLength();
return writer.Position;
}
var writer = new SpanWriter(buffer);
writer.Write((byte)0xC1);
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
writer.Write(number);
public static void SendMessageLocalizedAffix(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name,
AffixType affixType, string affix = "", string args = ""
)
{
if (ns.CannotSendPackets())
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLocalizedAffixLength(affix, args)].InitializePacket();
var length = CreateMessageLocalizedAffix(
buffer, serial, graphic, type, hue, font, number, name, affixType, affix, args
);
ns.Send(buffer[..length]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLocalizedAffixLength(string affix, string args) =>
52 + (affix?.Length ?? 0) + (args?.Length ?? 0) * 2;
public static int CreateMessageLocalizedAffix(
Span<byte> buffer,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name,
AffixType affixType, string affix = "", string args = ""
)
{
if (buffer[0] != 0)
{
return buffer.Length;
}
name ??= "";
affix ??= "";
args ??= "";
if (hue == 0)
{
hue = 0x3B2;
}
var writer = new SpanWriter(buffer);
writer.Write((byte)0xCC);
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
writer.Write(number);
writer.Write((byte)affixType);
writer.WriteAscii(name, 30);
writer.WriteAsciiNull(affix);
writer.WriteBigUniNull(args);
writer.WritePacketLength();
return writer.Position;
}
public static void SendMessage(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, bool ascii, string lang, string name, string text
)
{
if (ns.CannotSendPackets())
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLength(text)].InitializePacket();
var length = CreateMessage(
buffer,
serial,
graphic,
type,
hue,
font,
ascii,
lang,
name,
text
);
ns.Send(buffer[..length]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLength(string text) => 50 + (text?.Length ?? 0) * 2;
public static int CreateMessage(
Span<byte> buffer,
Serial serial,
int graphic,
MessageType type,
int hue,
int font,
bool ascii,
string lang,
string name,
string text
)
{
if (buffer[0] != 0)
{
return buffer.Length;
}
name ??= "";
text ??= "";
lang ??= "ENU";
if (hue == 0)
{
hue = 0x3B2;
}
var writer = new SpanWriter(buffer);
writer.Write((byte)(ascii ? 0x1C : 0xAE)); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
if (ascii)
{
writer.WriteAscii(name, 30);
writer.WriteLittleUniNull(args);
writer.WritePacketLength();
return writer.Position;
writer.WriteAsciiNull(text);
}
public static void SendMessageLocalizedAffix(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name,
AffixType affixType, string affix = "", string args = ""
)
else
{
if (ns == null)
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLocalizedAffixLength(affix, args)].InitializePacket();
var length = CreateMessageLocalizedAffix(
buffer, serial, graphic, type, hue, font, number, name, affixType, affix, args
);
ns.Send(buffer[..length]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLocalizedAffixLength(string affix, string args) =>
52 + (affix?.Length ?? 0) + (args?.Length ?? 0) * 2;
public static int CreateMessageLocalizedAffix(
Span<byte> buffer,
Serial serial, int graphic, MessageType type, int hue, int font, int number, string name,
AffixType affixType, string affix = "", string args = ""
)
{
if (buffer[0] != 0)
{
return buffer.Length;
}
name ??= "";
affix ??= "";
args ??= "";
if (hue == 0)
{
hue = 0x3B2;
}
var writer = new SpanWriter(buffer);
writer.Write((byte)0xCC);
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
writer.Write(number);
writer.Write((byte)affixType);
writer.WriteAscii(lang, 4);
writer.WriteAscii(name, 30);
writer.WriteAsciiNull(affix);
writer.WriteBigUniNull(args);
writer.WritePacketLength();
return writer.Position;
}
public static void SendMessage(
this NetState ns,
Serial serial, int graphic, MessageType type, int hue, int font, bool ascii, string lang, string name, string text
)
{
if (ns == null)
{
return;
}
Span<byte> buffer = stackalloc byte[GetMaxMessageLength(text)].InitializePacket();
var length = CreateMessage(
buffer,
serial,
graphic,
type,
hue,
font,
ascii,
lang,
name,
text
);
ns.Send(buffer[..length]);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetMaxMessageLength(string text) => 50 + (text?.Length ?? 0) * 2;
public static int CreateMessage(
Span<byte> buffer,
Serial serial,
int graphic,
MessageType type,
int hue,
int font,
bool ascii,
string lang,
string name,
string text
)
{
if (buffer[0] != 0)
{
return buffer.Length;
}
name ??= "";
text ??= "";
lang ??= "ENU";
if (hue == 0)
{
hue = 0x3B2;
}
var writer = new SpanWriter(buffer);
writer.Write((byte)(ascii ? 0x1C : 0xAE)); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
if (ascii)
{
writer.WriteAscii(name, 30);
writer.WriteAsciiNull(text);
}
else
{
writer.WriteAscii(lang, 4);
writer.WriteAscii(name, 30);
writer.WriteBigUniNull(text);
}
writer.WritePacketLength();
return writer.Position;
}
public static void SendFollowMessage(this NetState ns, Serial s1, Serial s2)
{
if (ns == null)
{
return;
}
var writer = new SpanWriter(stackalloc byte[9]);
writer.Write((byte)0x15); // Packet ID
writer.Write(s1);
writer.Write(s2);
ns.Send(writer.Span);
}
public static void SendPrompt(this NetState ns, Prompt prompt)
{
if (ns == null || prompt == null)
{
return;
}
var writer = new SpanWriter(stackalloc byte[21]);
writer.Write((byte)0xC2); // Packet ID
writer.Write((ushort)21);
writer.Write(prompt.Serial);
writer.Write(prompt.Serial);
writer.Clear(10);
ns.Send(writer.Span);
}
public static void SendHelpResponse(this NetState ns, Serial s, string text)
{
text = text?.Trim() ?? "";
if (ns == null || text.Length == 0)
{
return;
}
var length = 9 + text.Length * 2;
var writer = new SpanWriter(stackalloc byte[length]);
writer.Write((byte)0xB7);
writer.Write((ushort)length);
writer.Write(s);
writer.WriteBigUniNull(text);
ns.Send(writer.Span);
}
writer.WritePacketLength();
return writer.Position;
}
public static void SendFollowMessage(this NetState ns, Serial s1, Serial s2)
{
if (ns.CannotSendPackets())
{
return;
}
var writer = new SpanWriter(stackalloc byte[9]);
writer.Write((byte)0x15); // Packet ID
writer.Write(s1);
writer.Write(s2);
ns.Send(writer.Span);
}
public static void SendPrompt(this NetState ns, Prompt prompt)
{
if (ns == null || prompt == null)
{
return;
}
var writer = new SpanWriter(stackalloc byte[21]);
writer.Write((byte)0xC2); // Packet ID
writer.Write((ushort)21);
writer.Write(prompt.Serial);
writer.Write(prompt.Serial);
writer.Clear(10);
ns.Send(writer.Span);
}
public static void SendHelpResponse(this NetState ns, Serial s, string text)
{
text = text?.Trim() ?? "";
if (ns == null || text.Length == 0)
{
return;
}
var length = 9 + text.Length * 2;
var writer = new SpanWriter(stackalloc byte[length]);
writer.Write((byte)0xB7);
writer.Write((ushort)length);
writer.Write(s);
writer.WriteBigUniNull(text);
ns.Send(writer.Span);
}
}