public StatusMessage Start(string config, IDictionary<string, string> parameters)
{
var statuslocal = new StatusMessage();
if (string.IsNullOrEmpty(config))
{
statuslocal.Type = StatusType.Error;
statuslocal.Message = "Invalid config name";
}
else if (worker != null)
{
statuslocal.Type = StatusType.Error;
statuslocal.Message = "A MapReduce is already running";
}
else
{
driver = new MapReduceDriver(Path.Combine("configs",config));
SetParameters(driver.Tasks, parameters);
worker = new Thread(new ThreadStart(MapReduceThread));
worker.Start();
status.ResultSetId = statuslocal.ResultSetId = Guid.NewGuid();
}
return statuslocal;
}
protected void Page_Load(object sender, EventArgs e)
{
worker = Session[WorkerThreadKey] as Thread;
status = Session[StatusKey] as StatusMessage;
string rootDir = HostingEnvironment.MapPath("/App_Data/");
Environment.CurrentDirectory = rootDir;
string cmd = Request[CommandKey];
string configName = Request[ConfigNameKey];
if(string.IsNullOrEmpty(cmd))
return;
cmd = cmd.ToLower();
if (cmd == "status")
{
if (status == null)
RefreshStatus(UpdateType.None, 0, 0, 0);
Status();
return;
}
if (cmd == "start")
{
Start(configName);
return;
}
if (cmd == "getresult")
{
GetResult(configName);
return;
}
JsonMessage("No command");
}