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/* -*- C++ -*- */
/**
* @file DSRT_Sched_Queue_T.cpp
*
* $Id$
*
* @author Venkita Subramonian (venkita@cs.wustl.edu)
*
*/
#ifndef DSRT_SCHED_QUEUE_T_CPP
#define DSRT_SCHED_QUEUE_T_CPP
#include "DSRT_Sched_Queue_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (__ACE_INLINE__)
//#include "DSRT_Sched_Queue_T.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Kokyu,
DSRT_Sched_Queue_T,
"$Id$")
namespace Kokyu
{
/*
//@@VS: This is somehow not being recognized by MSVC, which results
//in a link error. For now, the definition has been moved to the .h
//file. Needs further investigation.
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
u_long
Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
Guid_Hash::operator () (const Guid_t& id)
{
typename DSRT_Scheduler_Traits::Guid_Hash guid_hash;
return guid_hash(id);
}
*/
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
current_size ()
{
return dispatch_items_prio_queue_.current_size ();
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
most_eligible (DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>& item)
{
if (dispatch_items_prio_queue_.current_size () == 0)
return -1;
PRIO_QUEUE_ITERATOR start = dispatch_items_prio_queue_.begin ();
PRIO_QUEUE_ENTRY &ent = (*start);
item = ent.item ();
return 0;
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
find (Guid_t guid,
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>& found_item)
{
ACE_GUARD_RETURN (ACE_LOCK, mon, lock_, -1);
RB_Tree_Dispatch_Item_Node* rb_tree_node;
if (dispatch_items_hash_map_.find(guid, rb_tree_node) == -1)
{
return -1;
}
else
{
found_item = rb_tree_node->item ();
return 0;
}
return 0;
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
insert (DSRT_Dispatch_Item<DSRT_Scheduler_Traits>* item)
{
item->insertion_time (ACE_OS::gettimeofday ());
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits> item_var(item);
ACE_GUARD_RETURN (ACE_LOCK, mon, lock_, -1);
RB_Tree_Dispatch_Item_Node* rb_tree_node;
Guid_t guid = item->guid ();
#ifdef KOKYU_DSRT_LOGGING
ACE_hthread_t thr_handle = item->thread_handle ();
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) about to insert %d in sched queue\n",
thr_handle));
#endif
if (dispatch_items_hash_map_.find (guid, rb_tree_node) == -1)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) %d not found in hashmap\n", thr_handle));
#endif
if (dispatch_items_prio_queue_.bind (item_var,
item_var,
rb_tree_node) == 0)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t|%T): item bound in rbtree\n"));
#endif
if (dispatch_items_hash_map_.bind (guid, rb_tree_node) == 0)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t|%T): item bound in hashmap\n"));
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents Begin===>\n"));
dispatch_items_hash_map_.dump ();
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents End=====>\n"));
#endif
return 0;
}
}
}
else
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) %d found in hashmap\n", thr_handle));
#endif
dispatch_items_hash_map_.unbind (guid);
dispatch_items_prio_queue_.unbind (rb_tree_node);
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) %d removed from hashmap and rbtree\n", thr_handle));
#endif
if (dispatch_items_prio_queue_.bind (item_var,
item_var,
rb_tree_node) == 0)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) %d bound to rbtree\n", thr_handle));
#endif
if (dispatch_items_hash_map_.bind (guid, rb_tree_node) == 0)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T) %d bound to hashmap\n", thr_handle));
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents Begin===>\n"));
dispatch_items_hash_map_.dump ();
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents End===>\n"));
#endif
return 0;
}
}
}
return -1;
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator, class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator, ACE_LOCK>::
remove (Guid_t guid)
{
ACE_GUARD_RETURN (ACE_LOCK, mon, lock_, -1);
RB_Tree_Dispatch_Item_Node* rb_tree_node;
if (dispatch_items_hash_map_.find(guid, rb_tree_node) == 0)
{
dispatch_items_hash_map_.unbind (guid);
dispatch_items_prio_queue_.unbind (rb_tree_node);
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents Begin===>\n"));
dispatch_items_hash_map_.dump ();
ACE_DEBUG ((LM_DEBUG,
"<===Hash Table contents End===>\n"));
#endif
return 0;
}
return -1;
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
void Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
dump ()
{
ACE_GUARD (ACE_LOCK, mon, lock_);
ACE_DEBUG ((LM_DEBUG, "(%t|%T):##########################\n"));
if (dispatch_items_prio_queue_.current_size ())
{
PRIO_QUEUE_ITERATOR end_iter = dispatch_items_prio_queue_.end ();
PRIO_QUEUE_ITERATOR iter;
iter = dispatch_items_prio_queue_.begin ();
while( iter != end_iter )
{
PRIO_QUEUE_ENTRY &ent = (*iter);
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>
item_var = ent.item ();
/*
int guid;
ACE_OS::memcpy (&guid,
item_var->guid ().get_buffer (),
item_var->guid ().length ());
ACE_DEBUG ((LM_DEBUG, "(%t|%T):guid %d, thr_handle = %d\n",
guid, item_var->thread_handle ()));
*/
++iter;
}
}
ACE_DEBUG ((LM_DEBUG, "(%t|%T):##########################\n"));
}
template <class DSRT_Scheduler_Traits,
class More_Eligible_Comparator,
class ACE_LOCK>
int Sched_Ready_Queue<DSRT_Scheduler_Traits,
More_Eligible_Comparator,
ACE_LOCK>::
change_prio(int old_prio, int new_prio, int policy)
{
if (dispatch_items_prio_queue_.current_size ())
{
PRIO_QUEUE_ITERATOR end_iter = dispatch_items_prio_queue_.end ();
PRIO_QUEUE_ITERATOR iter;
int prio;
iter = dispatch_items_prio_queue_.begin ();
while( iter != end_iter )
{
PRIO_QUEUE_ENTRY &ent = (*iter);
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>
item_var = ent.item ();
ACE_OS::thr_getprio (item_var->thread_handle (), prio);
if (prio==old_prio) {
ACE_OS::thr_setprio(item_var->thread_handle (), new_prio, policy);
}
++iter;
}
}
return(0);
}
}
#endif /* DSRT_SCHED_QUEUE_T_CPP */
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