A Discrete-Event Network Simulator
API
mq-queue-disc.cc
Go to the documentation of this file.
1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2016 Universita' degli Studi di Napoli Federico II
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Authors: Pasquale Imputato <p.imputato@gmail.com>
19 * Stefano Avallone <stavallo@unina.it>
20 */
21
22#include "ns3/log.h"
23#include "mq-queue-disc.h"
24
25namespace ns3 {
26
27NS_LOG_COMPONENT_DEFINE ("MqQueueDisc");
28
29NS_OBJECT_ENSURE_REGISTERED (MqQueueDisc);
30
32{
33 static TypeId tid = TypeId ("ns3::MqQueueDisc")
35 .SetGroupName ("TrafficControl")
36 .AddConstructor<MqQueueDisc> ()
37 ;
38 return tid;
39}
40
43{
44 NS_LOG_FUNCTION (this);
45}
46
48{
49 NS_LOG_FUNCTION (this);
50}
51
54{
55 return WAKE_CHILD;
56}
57
58bool
60{
61 NS_FATAL_ERROR ("MqQueueDisc: DoEnqueue should never be called");
62}
63
66{
67 NS_FATAL_ERROR ("MqQueueDisc: DoDequeue should never be called");
68}
69
72{
73 NS_FATAL_ERROR ("MqQueueDisc: DoPeek should never be called");
74}
75
76bool
78{
79 NS_LOG_FUNCTION (this);
80
81 if (GetNPacketFilters () > 0)
82 {
83 NS_LOG_ERROR ("MqQueueDisc cannot have packet filters");
84 return false;
85 }
86
87 if (GetNInternalQueues () > 0)
88 {
89 NS_LOG_ERROR ("MqQueueDisc cannot have internal queues");
90 return false;
91 }
92
93 return true;
94}
95
96void
98{
99 NS_LOG_FUNCTION (this);
100}
101
102} // namespace ns3
mq is a classful multi-queue aware dummy scheduler.
Definition: mq-queue-disc.h:36
WakeMode GetWakeMode(void) const
Return the wake mode adopted by this queue disc.
MqQueueDisc()
MqQueueDisc constructor.
virtual void InitializeParams(void)
Initialize parameters (if any) before the first packet is enqueued.
virtual ~MqQueueDisc()
virtual bool DoEnqueue(Ptr< QueueDiscItem > item)
This function actually enqueues a packet into the queue disc.
virtual Ptr< const QueueDiscItem > DoPeek(void)
Return a copy of the next packet the queue disc will extract.
virtual Ptr< QueueDiscItem > DoDequeue(void)
This function actually extracts a packet from the queue disc.
virtual bool CheckConfig(void)
Check whether the current configuration is correct.
static TypeId GetTypeId(void)
Get the type ID.
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
QueueDisc is an abstract base class providing the interface and implementing the operations common to...
Definition: queue-disc.h:181
WakeMode
Used to determine whether the queue disc itself or its children must be activated when a netdevice wa...
Definition: queue-disc.h:501
std::size_t GetNPacketFilters(void) const
Get the number of packet filters.
Definition: queue-disc.cc:626
std::size_t GetNInternalQueues(void) const
Get the number of internal queues.
Definition: queue-disc.cc:606
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
Definition: fatal-error.h:165
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
Definition: log.h:257
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#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:45
QueueDiscSizePolicy
Enumeration of the available policies to handle the queue disc size.
Definition: queue-disc.h:104
@ NO_LIMITS
Used by queue discs with unlimited size.
Definition: queue-disc.h:108
Every class exported by the ns3 library is enclosed in the ns3 namespace.