private JSONObject[] monitorReadObject(bool expectedReturn)
{
JSONObject[] obj = JSONObject.Decode(monitorRead());
//is it an event?
if (obj.Length != 0 && obj[0]["event"] != null)
{
handleEvent(obj[0]);
//re-call this function to get the data
//the caller expects.
if (!expectedReturn)
{
return(null);
}
return(monitorReadObject(true));
}
return(obj);
}
public void Start(int memory, StandardOutputCallback standardOutput)
{
//already running?
if (Running)
{
return;
}
#region Invoke Qemu
string qemuArguments = "-qmp tcp:127.0.0.1:4444,server,nowait " +
"-cdrom \"" + new FileInfo(p_DiskImage).FullName + "\" " +
"-m " + memory;
//create a processlink process so that if this process is killed
//it automatically kills the emulator as well.
standardOutput("Launching process linker...");
if (!File.Exists("processlink.exe"))
{
standardOutput(" Error! ProcessLink.exe is not found!");
return;
}
p_Process = new Process()
{
StartInfo = new ProcessStartInfo {
FileName = "processLink.exe",
Arguments = "-id " + Process.GetCurrentProcess().Id + " " +
"-f \"" + new FileInfo("emulators/qemu/qemu.exe").FullName + "\" " +
"-a " + qemuArguments,
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardOutput = true
}
};
//get the qemu process id from the spawn process
int qemuPID = -1;
p_Process.OutputDataReceived += delegate(object sender, DataReceivedEventArgs e) {
if (e.Data == null || qemuPID != -1)
{
return;
}
qemuPID = Convert.ToInt32(e.Data);
};
//launch the process
standardOutput("Starting Qemu...");
p_Process.Start();
standardOutput(" Process linker PID=" + p_Process.Id);
p_Process.BeginOutputReadLine();
//wait until the spawner has launched Qemu
while (qemuPID == -1)
{
;
}
p_QemuProcess = Process.GetProcessById(qemuPID);
standardOutput(" Started, PID=" + qemuPID);
#endregion
//connect to the Qemu Monitor
p_Socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
int connectStart = Environment.TickCount;
standardOutput("Connecting to Qemu's QMP service...");
while (Environment.TickCount < connectStart + 1000)
{
try {
p_Socket.Connect("localhost", 4444);
p_Stream = new NetworkStream(p_Socket, true);
break;
}
catch { }
}
//timed out?
if (!p_Socket.Connected)
{
standardOutput("Error! Unable to connect to Qemu's QMP service");
Stop();
return;
}
//get the initial response from the server
standardOutput("Performing handshake with QMP Server");
JSONObject handshake = JSONObject.Decode("", monitorRead())[0];
handshake = (JSONObject)handshake["QMP"];
//get the version of the qemu emulator
JSONObject version = (JSONObject)handshake["version"];
version = (JSONObject)version["qemu"];
int versionMajor = Convert.ToInt32(version["major"]);
int versionMinor = Convert.ToInt32(version["minor"]);
//enter command mode
monitorWrite("{ \"execute\": \"qmp_capabilities\" }");
JSONObject result = JSONObject.Decode(monitorRead())[0];
result = (JSONObject)result["return"];
if (result.ChildValues[0].ChildCount > 0)
{
standardOutput("Unable to enter into QMP Command mode!");
Stop();
return;
}
//create an event listener
standardOutput("Starting event listener...");
Thread eventListener = new Thread(new ThreadStart(delegate {
while (Running)
{
//send a blank signal to the server so we don't interfere
//with current messages.
Monitor.Enter(p_SyncLock);
monitorExecute("", null);
monitorReadObject(false);
Monitor.Exit(p_SyncLock);
Thread.Sleep(100);
}
}));
eventListener.Start();
standardOutput(" Listening...");
//success
standardOutput("Qemu Emulator version " + versionMajor + "." + versionMinor);
standardOutput("Qemu Emulator ready...");
return;
EmulationProcessor ps = GetProcessors()[0];
while (true)
{
int time = Environment.TickCount;
GetRegisters(ps);
Console.WriteLine((Environment.TickCount - time) + "ms");
}
new DebugRegisters(this).Show();
}
public static MyRotationFilter FromJSON(string jsonString)
{
return(FromJSON(JSONObject.Decode(jsonString)));
}