ModernUO/Projects/Server.Tests/Tests/Network/Packets/Outgoing/SecureTradePacketTests.cs
Kamron Batman 3c0d6cb9d6
feat: Upgrades networking to use io_uring. (#2315)
> [!IMPORTANT]
> **Breaking Changes**
> - DecodePacket and EncodePacket delegates replaced with IClientEncryption interface
> - NetState.Connection (Socket) replaced with internal RingSocket management
> - NetState.RecvPipe and NetState.SendPipe removed (buffers managed internally)

## Summary

Upgrades the networking stack from PollGroup-based I/O to io_uring, significantly improving I/O performance on Linux.
This also adds native client encryption support for encrypted UO clients.

## Major Changes

io_uring Networking Architecture
- Replaced PollGroup with IORingGroup for async socket I/O operations
- Removed Pipe.cs (mirrored ring buffer) and TcpServer.cs in favor of RingSocketManager
- Added NetState.Network.cs - centralized network infrastructure handling accept, recv, send, and disconnect
completions
- Added SocketHelper.cs - platform-specific socket utilities for raw socket handle operations (getpeername,
getsockname)
- Buffer management now handled by RingSocketManager with configurable slab allocation

### Client Encryption Support
- Added full encryption stack in Network/Encryption/:
  - EncryptionConfig.cs - configurable encryption modes (None, Unencrypted, Encrypted, Both)
  - EncryptionManager.cs - encryption detection and initialization for login/game packets
  - LoginEncryption.cs - handles login packet encryption with version-derived keys
  - GameEncryption.cs - handles game server encryption using Twofish
  - TwofishEngine.cs - optimized Twofish block cipher implementation
  - LoginKeys.cs - encryption key table for client versions
  - IClientEncryption.cs - interface for client encryption implementations

### NetState Improvements
- Replaced Socket Connection with RingSocket _socket for managed socket lifecycle
- Changed from GCHandle polling to event-based completion processing
- Disconnect handling now properly waits for pending sends to flush
- Simplified connecting socket management using lazy queue removal

### Configuration
- New settings: network.encryptionMode and network.encryptionDebug
- Encryption mode flags: Unencrypted, Encrypted, or Both

### Dependencies
- Replaced PollGroup NuGet package with IORingGroup
- Linux requires liburing-dev / liburing-devel package

### Test plan

- Verify server starts and accepts connections on Linux with io_uring
- Verify server starts and accepts connections on Windows (fallback to IOCP)
- Test unencrypted client connections (ClassicUO with encryption disabled)
- Test encrypted client connections if available
- Verify graceful disconnect flushes pending data
- Confirm CI builds pass on all target platforms
2026-02-01 16:02:32 -08:00

114 lines
3.5 KiB
C#

using Server.Items;
using Server.Network;
using Xunit;
namespace Server.Tests.Network;
[Collection("Sequential Server Tests")]
public class SecureTradePacketTests
{
[Theory]
[InlineData("short-name")]
[InlineData("this is a really long name that is more than 30 characters, probably")]
public void TestDisplaySecureTrade(string name)
{
var m = new Mobile((Serial)0x1);
m.DefaultMobileInit();
var firstCont = new Container(World.NewItem);
var secondCont = new Container(World.NewItem);
var expected = new DisplaySecureTrade(m, firstCont, secondCont, name).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.SendDisplaySecureTrade(m, firstCont, secondCont, name);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
[Fact]
public void TestCloseSecureTrade()
{
var cont = new Container(World.NewItem);
var expected = new CloseSecureTrade(cont).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.SendCloseSecureTrade(cont);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
[Theory, InlineData(true, false), InlineData(false, true)]
// Update first
// Update second
public void TestUpdateSecureTrade(bool first, bool second)
{
var firstCont = new Container(World.NewItem);
var secondCont = new Container(World.NewItem);
var cont = first ? firstCont : secondCont;
var expected = new UpdateSecureTrade(cont, first, second).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.SendUpdateSecureTrade(cont, first, second);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
[Theory]
[InlineData(100000, 30, TradeFlag.UpdateGold)]
[InlineData(250000, 50000, TradeFlag.UpdateLedger)]
public void TestUpdateGoldSecureTrade(int gold, int plat, TradeFlag flag)
{
var cont = new Container(World.NewItem);
var expected = new UpdateSecureTrade(cont, flag, gold, plat).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.SendUpdateSecureTrade(cont, flag, gold, plat);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
[Fact]
public void TestSecureTradeEquip()
{
var m = new Mobile((Serial)0x1);
m.DefaultMobileInit();
var cont = new Container(World.NewItem);
var itemInCont = new Item(World.NewItem) { Parent = cont };
var expected = new SecureTradeEquip(itemInCont, m).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.SendSecureTradeEquip(itemInCont, m);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
[Fact]
public void TestSecureTradeEquip6017()
{
var m = new Mobile((Serial)0x1);
m.DefaultMobileInit();
var cont = new Container(World.NewItem);
var itemInCont = new Item(World.NewItem) { Parent = cont };
var expected = new SecureTradeEquip6017(itemInCont, m).Compile();
using var ns = PacketTestUtilities.CreateTestNetState();
ns.ProtocolChanges |= ProtocolChanges.ContainerGridLines;
ns.SendSecureTradeEquip(itemInCont, m);
var result = ns.SendBuffer.GetReadSpan();
AssertThat.Equal(result, expected);
}
}