A Discrete-Event Network Simulator
API
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list-scheduler.cc
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1/*
2 * Copyright (c) 2005 INRIA
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
18 */
19
20#include "list-scheduler.h"
21
22#include "assert.h"
23#include "event-impl.h"
24#include "log.h"
25
26#include <string>
27#include <utility>
28
35namespace ns3
36{
37
38NS_LOG_COMPONENT_DEFINE("ListScheduler");
39
40NS_OBJECT_ENSURE_REGISTERED(ListScheduler);
41
42TypeId
44{
45 static TypeId tid = TypeId("ns3::ListScheduler")
47 .SetGroupName("Core")
48 .AddConstructor<ListScheduler>();
49 return tid;
50}
51
53{
54 NS_LOG_FUNCTION(this);
55}
56
58{
59}
60
61void
63{
64 NS_LOG_FUNCTION(this << &ev);
65 for (EventsI i = m_events.begin(); i != m_events.end(); i++)
66 {
67 if (ev.key < i->key)
68 {
69 m_events.insert(i, ev);
70 return;
71 }
72 }
73 m_events.push_back(ev);
74}
75
76bool
78{
79 NS_LOG_FUNCTION(this);
80 return m_events.empty();
81}
82
85{
86 NS_LOG_FUNCTION(this);
87 return m_events.front();
88}
89
92{
93 NS_LOG_FUNCTION(this);
94 Event next = m_events.front();
95 m_events.pop_front();
96 return next;
97}
98
99void
101{
102 NS_LOG_FUNCTION(this << &ev);
103 for (EventsI i = m_events.begin(); i != m_events.end(); i++)
104 {
105 if (i->key.m_uid == ev.key.m_uid)
106 {
107 NS_ASSERT(ev.impl == i->impl);
108 m_events.erase(i);
109 return;
110 }
111 }
112 NS_ASSERT(false);
113}
114
115} // namespace ns3
NS_ASSERT() and NS_ASSERT_MSG() macro definitions.
a std::list event scheduler
std::list< Scheduler::Event >::iterator EventsI
Events iterator.
~ListScheduler() override
Destructor.
ListScheduler()
Constructor.
Events m_events
The event list.
Scheduler::Event RemoveNext() override
Remove the earliest event from the event list.
void Remove(const Scheduler::Event &ev) override
Remove a specific event from the event list.
bool IsEmpty() const override
Test if the schedule is empty.
Scheduler::Event PeekNext() const override
Get a pointer to the next event.
void Insert(const Scheduler::Event &ev) override
Insert a new Event in the schedule.
static TypeId GetTypeId()
Register this type.
Maintain the event list.
Definition: scheduler.h:157
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:936
ns3::EventImpl declarations.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition: assert.h:66
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:46
ns3::ListScheduler declaration.
Debug message logging.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Scheduler event.
Definition: scheduler.h:184
EventKey key
Key for sorting and ordering Events.
Definition: scheduler.h:186
EventImpl * impl
Pointer to the event implementation.
Definition: scheduler.h:185
uint32_t m_uid
Event unique id.
Definition: scheduler.h:172