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package prerna.reactor.mgmt;

import prerna.auth.User;
import prerna.reactor.AbstractReactor;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.nounmeta.NounMetadata;

public class GetUserMemory extends AbstractReactor {

	@Override
	public NounMetadata execute() {
		// TODO Auto-generated method stub
		String message = "No user found";
		User user = this.insight.getUser();
		if(user != null)
		{
			Process rProcess = user.getrProcess();
			Process pyProcess = user.getPyProcess();
			
			long memory = 0;
			int rPid = 0;
			
			// get the pid
			if(rProcess != null)
			{
				rPid = MgmtUtil.getPidByPort(this.insight.getUser().getrPort());
				if(rPid != -1)
					memory = memory + MgmtUtil.memoryUtilizationPerProcess(rPid);
			}
			if(pyProcess != null)
			{
				int pid = MgmtUtil.getProcessID(pyProcess); // can replace this also at some point
				if(pid != rPid)
				{
					int pcPid = MgmtUtil.findChild(pid, "prerna.tcp.Server");
					memory = memory + MgmtUtil.memoryUtilizationPerProcess(pcPid);
				}
			}
			float mb = memory / (1024*1024);
			
			message = "Memory : " + mb + " MB";
		}
		return new NounMetadata(message, PixelDataType.CONST_STRING);
	}

}