public void RunInMainThread(Action action)
{
MstTimer.RunInMainThread(action);
}
/// <summary>
/// Default spawn spawned process request handler that will be used by controller if <see cref="spawnRequestHandler"/> is not overriden
/// </summary>
/// <param name="data"></param>
/// <param name="message"></param>
public virtual void SpawnRequestHandler(SpawnRequestPacket data, IIncomingMessage message)
{
Logger.Debug($"Default spawn handler started handling a request to spawn process for spawn controller [{SpawnerId}]");
/************************************************************************/
// Create process args string
var processArguments = new MstProperties();
/************************************************************************/
// Check if we're overriding an IP to master server
var masterIpArgument = string.IsNullOrEmpty(SpawnSettings.MasterIp) ?
Connection.ConnectionIp : SpawnSettings.MasterIp;
// Create master IP arg
processArguments.Set(Mst.Args.Names.MasterIp, masterIpArgument);
/************************************************************************/
/// Check if we're overriding a port to master server
var masterPortArgument = SpawnSettings.MasterPort < 0 ? Connection.ConnectionPort : SpawnSettings.MasterPort;
// Create master port arg
processArguments.Set(Mst.Args.Names.MasterPort, masterPortArgument);
/************************************************************************/
// Machine Ip
processArguments.Set(Mst.Args.Names.RoomIp, SpawnSettings.MachineIp);
/************************************************************************/
// Create port for room arg
int machinePortArgument = Mst.Server.Spawners.GetAvailablePort();
processArguments.Set(Mst.Args.Names.RoomPort, machinePortArgument);
/************************************************************************/
// Room Name
//processArguments.Set(Mst.Args.Names.RoomName, $"\"{data.Options.AsString(MstDictKeys.roomName, "Room_" + Mst.Helper.CreateRandomString(6))}\"");
/************************************************************************/
// Room Region
//processArguments.Set(Mst.Args.Names.RoomRegion, $"\"{SpawnSettings.Region}\"");
/************************************************************************/
// Room Max Connections
//if (data.Options.Has(MstDictKeys.maxPlayers))
//{
// processArguments.Set(Mst.Args.Names.RoomMaxConnections, data.Options.AsString(MstDictKeys.maxPlayers));
//}
/************************************************************************/
// Get the scene name
//if (data.Options.Has(MstDictKeys.sceneName))
//{
// processArguments.Set(Mst.Args.Names.LoadScene, data.Options.AsString(MstDictKeys.sceneName));
//}
/************************************************************************/
// Create use websockets arg
//if (SpawnSettings.UseWebSockets)
//{
// processArguments.Set(Mst.Args.Names.UseWebSockets, string.Empty);
//}
/************************************************************************/
// Create spawn id arg
processArguments.Set(Mst.Args.Names.SpawnTaskId, data.SpawnTaskId);
/************************************************************************/
// Create spawn code arg
processArguments.Set(Mst.Args.Names.SpawnTaskUniqueCode, data.SpawnTaskUniqueCode);
/************************************************************************/
// Create custom args
processArguments.Append(data.CustomOptions);
/************************************************************************/
// Path to executable
var executablePath = SpawnSettings.ExecutablePath;
if (string.IsNullOrEmpty(executablePath))
{
executablePath = File.Exists(Environment.GetCommandLineArgs()[0])
? Environment.GetCommandLineArgs()[0]
: Process.GetCurrentProcess().MainModule.FileName;
}
// In case a path is provided with the request
if (data.Options.Has(MstDictKeys.ROOM_EXE_PATH))
{
executablePath = data.Options.AsString(MstDictKeys.ROOM_EXE_PATH);
}
if (!string.IsNullOrEmpty(data.OverrideExePath))
{
executablePath = data.OverrideExePath;
}
/// Create info about starting process
var startProcessInfo = new ProcessStartInfo(executablePath)
{
CreateNoWindow = false,
UseShellExecute = true,
Arguments = processArguments.ToReadableString(" ", " ")
};
Logger.Debug("Starting process with args: " + startProcessInfo.Arguments);
var processStarted = false;
try
{
new Thread(() =>
{
try
{
using (var process = Process.Start(startProcessInfo))
{
Logger.Debug("Process started. Spawn Id: " + data.SpawnTaskId + ", pid: " + process.Id);
processStarted = true;
lock (processLock)
{
// Save the process
processes[data.SpawnTaskId] = process;
}
var processId = process.Id;
// Notify server that we've successfully handled the request
MstTimer.RunInMainThread(() =>
{
message.Respond(ResponseStatus.Success);
NotifyProcessStarted(data.SpawnTaskId, processId, startProcessInfo.Arguments);
});
process.WaitForExit();
}
}
catch (Exception e)
{
if (!processStarted)
{
MstTimer.RunInMainThread(() => { message.Respond(ResponseStatus.Failed); });
}
Logger.Error("An exception was thrown while starting a process. Make sure that you have set a correct build path. " +
$"We've tried to start a process at [{executablePath}]. You can change it at 'SpawnerBehaviour' component");
Logger.Error(e);
}
finally
{
lock (processLock)
{
// Remove the process
processes.Remove(data.SpawnTaskId);
}
MstTimer.RunInMainThread(() =>
{
// Release the port number
Mst.Server.Spawners.ReleasePort(machinePortArgument);
Logger.Debug($"Notifying about killed process with spawn id [{data.SpawnTaskId}]");
NotifyProcessKilled(data.SpawnTaskId);
});
}
}).Start();
}
catch (Exception e)
{
message.Respond(e.Message, ResponseStatus.Error);
Logs.Error(e);
}
}
