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gdb: Code cleanup pass #2

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Moved the reply functionality into the command processor, move the main debugger thread into a dedicated class part, and more
This commit is contained in:
GreemDev 2025-10-17 00:09:51 -05:00
parent 8e941e4a8f
commit 2a2ab523cb
9 changed files with 391 additions and 398 deletions
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115
src/Ryujinx.HLE/Debugger/Debugger.MainThread.cs Normal file
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using Ryujinx.Common.Logging;
using Ryujinx.HLE.Debugger.Gdb;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace Ryujinx.HLE.Debugger
{
public partial class Debugger
{
private void DebuggerThreadMain()
{
IPEndPoint endpoint = new(IPAddress.Any, GdbStubPort);
_listenerSocket = new TcpListener(endpoint);
_listenerSocket.Start();
Logger.Notice.Print(LogClass.GdbStub, $"Currently waiting on {endpoint} for GDB client");
while (!_shuttingDown)
{
try
{
_clientSocket = _listenerSocket.AcceptSocket();
}
catch (SocketException)
{
return;
}
// If the user connects before the application is running, wait for the application to start.
int retries = 10;
while ((DebugProcess == null || GetThreads().Length == 0) && retries-- > 0)
{
Thread.Sleep(200);
}
if (DebugProcess == null || GetThreads().Length == 0)
{
Logger.Warning?.Print(LogClass.GdbStub,
"Application is not running, cannot accept GDB client connection");
_clientSocket.Close();
continue;
}
_clientSocket.NoDelay = true;
_readStream = new NetworkStream(_clientSocket, System.IO.FileAccess.Read);
_writeStream = new NetworkStream(_clientSocket, System.IO.FileAccess.Write);
_commands = new GdbCommands(_listenerSocket, _clientSocket, _readStream, _writeStream, this);
_commandProcessor = _commands.CreateProcessor();
Logger.Notice.Print(LogClass.GdbStub, "GDB client connected");
while (true)
{
try
{
switch (_readStream.ReadByte())
{
case -1:
goto EndOfLoop;
case '+':
continue;
case '-':
Logger.Notice.Print(LogClass.GdbStub, "NACK received!");
continue;
case '\x03':
_messages.Add(new BreakInMessage());
break;
case '$':
string cmd = "";
while (true)
{
int x = _readStream.ReadByte();
if (x == -1)
goto EndOfLoop;
if (x == '#')
break;
cmd += (char)x;
}
string checksum = $"{(char)_readStream.ReadByte()}{(char)_readStream.ReadByte()}";
if (checksum == $"{Helpers.CalculateChecksum(cmd):x2}")
{
_messages.Add(new CommandMessage(cmd));
}
else
{
_messages.Add(new SendNackMessage());
}
break;
}
}
catch (IOException)
{
goto EndOfLoop;
}
}
EndOfLoop:
Logger.Notice.Print(LogClass.GdbStub, "GDB client lost connection");
_readStream.Close();
_readStream = null;
_writeStream.Close();
_writeStream = null;
_clientSocket.Close();
_clientSocket = null;
_commandProcessor = null;
_commands = null;
BreakpointManager.ClearAll();
}
}
}
}