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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2007 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <string.h>
#include "uti/sge_rmon.h"
#include "uti/sge_log.h"
#include "uti/sge_sl.h"
#include "gdi/sge_gdi2.h"
#include "gdi/sge_gdi_ctx.h"
#include "sgeobj/sge_answer.h"
#include "sge_sched_order.h"
#include "msg_common.h"
gdi_request_queue_t Master_Request_Queue;
bool
schedd_order_initialize(void) {
bool ret = true;
DENTER(TOP_LAYER, "schedd_order_initialize");
Master_Request_Queue.order_list = NULL;
ret &= sge_sl_create(&Master_Request_Queue.request_list);
DRETURN(ret);
}
bool
schedd_order_destroy(void) {
bool ret = true;
DENTER(TOP_LAYER, "schedd_order_initialize");
ret &= sge_sl_destroy(&Master_Request_Queue.request_list, NULL);
DRETURN(ret);
}
bool
sge_schedd_send_orders(sge_gdi_ctx_class_t *ctx, order_t *orders, lList **order_list, lList **answer_list, const char *name)
{
bool ret = true;
DENTER(TOP_LAYER, "sge_schedd_send_orders");
if ((order_list != NULL) && (*order_list != NULL) && (lGetNumberOfElem(*order_list) != 0)) {
/*
* Add the new orders
*/
if (Master_Request_Queue.order_list == NULL) {
Master_Request_Queue.order_list = *order_list;
*order_list = NULL;
} else {
lAddList(Master_Request_Queue.order_list, order_list);
}
ret = sge_schedd_add_gdi_order_request(ctx, orders, answer_list, &Master_Request_Queue.order_list);
}
lFreeList(order_list);
DRETURN(ret);
}
bool
sge_schedd_add_gdi_order_request(sge_gdi_ctx_class_t *ctx, order_t *orders, lList **answer_list, lList **order_list)
{
bool ret = true;
state_gdi_multi *state = NULL;
DENTER(TOP_LAYER, "sge_schedd_add_gdi_order_request");
state = (state_gdi_multi *)sge_malloc(sizeof(state_gdi_multi));
if (state != NULL) {
int order_id;
memset(state, 0, sizeof(state_gdi_multi));
orders->numberSendOrders += lGetNumberOfElem(*order_list);
orders->numberSendPackages++;
/*
* order_list will be NULL after the call of gdi_multi. This saves a copy operation.
*/
order_id = ctx->gdi_multi(ctx, answer_list, SGE_GDI_SEND, SGE_ORDER_LIST, SGE_GDI_ADD,
order_list, NULL, NULL, false, state, false);
if (order_id != -1) {
sge_sl_insert(Master_Request_Queue.request_list, state, SGE_SL_BACKWARD);
/* EB: TODO: Why is this needed? */
state->next = NULL;
} else {
answer_list_log(answer_list, false, false);
ret = false;
}
} else {
answer_list_add(answer_list, MSG_SGETEXT_NOMEM, STATUS_EMALLOC, ANSWER_QUALITY_ERROR);
ret = false;
}
DRETURN(ret);
}
bool
sge_schedd_block_until_orders_processed(sge_gdi_ctx_class_t *ctx,
lList **answer_list)
{
bool ret = true;
sge_sl_elem_t *next_elem = NULL;
sge_sl_elem_t *current_elem = NULL;
DENTER(TOP_LAYER, "sge_schedd_block_until_orders_processed");
/*
* wait till all GDI order requests are finished
*/
sge_sl_elem_next(Master_Request_Queue.request_list, &next_elem, SGE_SL_FORWARD);
while ((current_elem = next_elem) != NULL) {
state_gdi_multi *current_state = sge_sl_elem_data(current_elem);
lList *request_answer_list = NULL;
lList *multi_answer_list = NULL;
int order_id;
/* get next element, dechain current and destroy it */
sge_sl_elem_next(Master_Request_Queue.request_list, &next_elem, SGE_SL_FORWARD);
sge_sl_dechain(Master_Request_Queue.request_list, current_elem);
sge_sl_elem_destroy(¤t_elem, NULL);
/*
* wait for answer. this call might block if the request
* has not been handled by any worker until now
*/
ctx->gdi_wait(ctx, answer_list, &multi_answer_list, current_state);
/*
* now we have an answer. is it positive?
*/
order_id = 1;
sge_gdi_extract_answer(&request_answer_list, SGE_GDI_ADD, SGE_ORDER_LIST,
order_id, multi_answer_list, NULL);
if (request_answer_list != NULL) {
answer_list_log(&request_answer_list, false, false);
ret = false;
}
/*
* memory cleanup
*/
lFreeList(&request_answer_list);
lFreeList(&multi_answer_list);
sge_free(¤t_state);
}
DRETURN(ret);
}
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