public void DefaultSpawnRequestHandler(SpawnRequestPacket packet, IIncommingMessage message)
{
_logger.Debug("Default spawn handler started handling a request to spawn process");
var controller = _spawners.GetController(packet.SpawnerId);
if (controller == null)
{
message.Respond("Failed to spawn a process. Spawner controller not found", ResponseStatus.Failed);
return;
}
var port = _spawners.GetAvailablePort();
// Check if we're overriding an IP to master server
var masterIp = string.IsNullOrEmpty(controller.DefaultSpawnerSettings.MasterIp) ?
controller.Connection.ConnectionIp : controller.DefaultSpawnerSettings.MasterIp;
// Check if we're overriding a port to master server
var masterPort = controller.DefaultSpawnerSettings.MasterPort < 0 ?
controller.Connection.ConnectionPort : controller.DefaultSpawnerSettings.MasterPort;
// Machine Ip
var machineIp = controller.DefaultSpawnerSettings.MachineIp;
// Path to executable
var path = controller.DefaultSpawnerSettings.ExecutablePath;
if (string.IsNullOrEmpty(path))
{
path = File.Exists(Environment.GetCommandLineArgs()[0])
? Environment.GetCommandLineArgs()[0]
: Process.GetCurrentProcess().MainModule.FileName;
}
// In case a path is provided with the request
if (packet.Properties.ContainsKey(OptionKeys.ExecutablePath))
{
path = packet.Properties[OptionKeys.ExecutablePath];
}
// Get the scene name
var sceneNameArgument = packet.Properties.ContainsKey(OptionKeys.SceneName)
? string.Format("{0} {1} ", CommandLineArgs.Names.LoadScene, packet.Properties[OptionKeys.SceneName])
: "";
if (!string.IsNullOrEmpty(packet.OverrideExePath))
{
path = packet.OverrideExePath;
}
// If spawn in batchmode was set and `DontSpawnInBatchmode` arg is not provided
var spawnInBatchmode = controller.DefaultSpawnerSettings.SpawnInBatchmode &&
!CommandLineArgs.DontSpawnInBatchmode;
var startProcessInfo = new ProcessStartInfo(path)
{
CreateNoWindow = false,
UseShellExecute = false,
Arguments = " " +
(spawnInBatchmode ? "-batchmode -nographics " : "") +
(controller.DefaultSpawnerSettings.AddWebGlFlag ? CommandLineArgs.Names.WebGl + " " : "") +
sceneNameArgument +
string.Format("{0} {1} ", CommandLineArgs.Names.MasterIp, masterIp) +
string.Format("{0} {1} ", CommandLineArgs.Names.MasterPort, masterPort) +
string.Format("{0} {1} ", CommandLineArgs.Names.SpawnId, packet.SpawnId) +
string.Format("{0} {1} ", CommandLineArgs.Names.AssignedPort, port) +
string.Format("{0} {1} ", CommandLineArgs.Names.MachineIp, machineIp) +
(CommandLineArgs.DestroyUi ? CommandLineArgs.Names.DestroyUi + " " : "") +
string.Format("{0} \"{1}\" ", CommandLineArgs.Names.SpawnCode, packet.SpawnCode) +
packet.CustomArgs
};
_logger.Debug("Starting process with args: " + startProcessInfo.Arguments);
var processStarted = false;
try
{
new Thread(() =>
{
try
{
_logger.Debug("New thread started");
using (var process = Process.Start(startProcessInfo))
{
_logger.Debug("Process started. Spawn Id: " + packet.SpawnId + ", pid: " + process.Id);
processStarted = true;
lock (_processLock)
{
// Save the process
_processes[packet.SpawnId] = process;
}
var processId = process.Id;
// Notify server that we've successfully handled the request
AppTimer.ExecuteOnMainThread(() =>
{
message.Respond(ResponseStatus.Success);
controller.NotifyProcessStarted(packet.SpawnId, processId, startProcessInfo.Arguments);
});
process.WaitForExit();
}
}
catch (Exception e)
{
if (!processStarted)
{
AppTimer.ExecuteOnMainThread(() => { 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: '" + path + "'. You can change it at 'SpawnerBehaviour' component");
_logger.Error(e);
}
finally
{
lock (_processLock)
{
// Remove the process
_processes.Remove(packet.SpawnId);
}
AppTimer.ExecuteOnMainThread(() =>
{
// Release the port number
_spawners.ReleasePort(port);
_logger.Debug("Notifying about killed process with spawn id: " + packet.SpawnerId);
controller.NotifyProcessKilled(packet.SpawnId);
});
}
}).Start();
}
catch (Exception e)
{
message.Respond(e.Message, ResponseStatus.Error);
Logs.Error(e);
}
}