src/backend/resourcemanager/include/resourcebroker/resourcebroker_LIBYARN.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef HAWQ_RESOURCE_MANAGER_RESOURCE_BROKER_LIBYARN_H
#define HAWQ_RESOURCE_MANAGER_RESOURCE_BROKER_LIBYARN_H
#include "envswitch.h"
#include "resourcebroker_API.h"
#include "dynrm.h"

/* Start resource broker service. */
int RB_LIBYARN_start(bool isforked);
/* Stop resource broker service. */
int RB_LIBYARN_stop(void);
/* Get information. */
int RB_LIBYARN_getClusterReport(const char  *quename,
								List 	   **machines,
								double 	    *maxcapacity);

/* Acquire and return resource. */
int RB_LIBYARN_acquireResource(uint32_t memorymb, uint32_t core, List *preferred);
int RB_LIBYARN_returnResource(List **ctnl);
int RB_LIBYARN_getContainerReport(List **ctnstatl);
int RB_LIBYARN_handleNotification(void);
void RB_LIBYARN_handleSignalSIGCHLD(void);
void RB_LIBYARN_handleError(int errorcode);
void RB_LIBYARN_createEntries(RB_FunctionEntries entries);

extern int				ResBrokerRequestPipe[2];
extern int				ResBrokerNotifyPipe[2];
extern volatile bool	ResBrokerKeepRun;
extern volatile bool	ResBrokerExits;
extern volatile pid_t	ResBrokerPID;
extern pid_t			ResBrokerParentPID;

int ResBrokerMain(void);

#endif /* HAWQ_RESOURCE_MANAGER_RESOURCE_BROKER_LIBYARN_H */