2 # NEPI, a framework to manage network experiments
3 # Copyright (C) 2014 INRIA
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 from nepi.execution.attribute import Attribute, Flags, Types
20 from nepi.execution.trace import Trace, TraceAttr
21 from nepi.execution.resource import ResourceManager, clsinit_copy, \
22 ResourceState, reschedule_delay
23 from nepi.resources.ns3.ns3mobilitymodel import NS3BaseMobilityModel
26 class NS3GaussMarkovMobilityModel(NS3BaseMobilityModel):
27 _rtype = "ns3::GaussMarkovMobilityModel"
30 def _register_attributes(cls):
32 attr_bounds = Attribute("Bounds",
33 "Bounds of the area to cruise.",
35 default = "-100|100|-100|100|0|100",
38 flags = Flags.Reserved | Flags.Construct)
40 cls._register_attribute(attr_bounds)
42 attr_timestep = Attribute("TimeStep",
43 "Change current direction and speed after moving for this time.",
45 default = "+1000000000.0ns",
48 flags = Flags.Reserved | Flags.Construct)
50 cls._register_attribute(attr_timestep)
52 attr_alpha = Attribute("Alpha",
53 "A constant representing the tunable parameter in the Gauss-Markov model.",
58 flags = Flags.Reserved | Flags.Construct)
60 cls._register_attribute(attr_alpha)
62 attr_meanvelocity = Attribute("MeanVelocity",
63 "A random variable used to assign the average velocity.",
65 default = "ns3::UniformRandomVariable[Min=0.0|Max=1.0]",
68 flags = Flags.Reserved | Flags.Construct)
70 cls._register_attribute(attr_meanvelocity)
72 attr_meandirection = Attribute("MeanDirection",
73 "A random variable used to assign the average direction.",
75 default = "ns3::UniformRandomVariable[Min=0.0|Max=6.283185307]",
78 flags = Flags.Reserved | Flags.Construct)
80 cls._register_attribute(attr_meandirection)
82 attr_meanpitch = Attribute("MeanPitch",
83 "A random variable used to assign the average pitch.",
85 default = "ns3::ConstantRandomVariable[Constant=0.0]",
88 flags = Flags.Reserved | Flags.Construct)
90 cls._register_attribute(attr_meanpitch)
92 attr_normalvelocity = Attribute("NormalVelocity",
93 "A gaussian random variable used to calculate the next velocity value.",
95 default = "ns3::NormalRandomVariable[Mean=0.0|Variance=1.0|Bound=10.0]",
98 flags = Flags.Reserved | Flags.Construct)
100 cls._register_attribute(attr_normalvelocity)
102 attr_normaldirection = Attribute("NormalDirection",
103 "A gaussian random variable used to calculate the next direction value.",
105 default = "ns3::NormalRandomVariable[Mean=0.0|Variance=1.0|Bound=10.0]",
108 flags = Flags.Reserved | Flags.Construct)
110 cls._register_attribute(attr_normaldirection)
112 attr_normalpitch = Attribute("NormalPitch",
113 "A gaussian random variable used to calculate the next pitch value.",
115 default = "ns3::NormalRandomVariable[Mean=0.0|Variance=1.0|Bound=10.0]",
118 flags = Flags.Reserved | Flags.Construct)
120 cls._register_attribute(attr_normalpitch)
122 attr_position = Attribute("Position",
123 "The current position of the mobility model.",
128 flags = Flags.Reserved)
130 cls._register_attribute(attr_position)
132 attr_velocity = Attribute("Velocity",
133 "The current velocity of the mobility model.",
138 flags = Flags.Reserved | Flags.NoWrite)
140 cls._register_attribute(attr_velocity)
145 def _register_traces(cls):
147 coursechange = Trace("CourseChange", "The value of the position and/or velocity vector changed")
149 cls._register_trace(coursechange)
153 def __init__(self, ec, guid):
154 super(NS3GaussMarkovMobilityModel, self).__init__(ec, guid)
155 self._home = "ns3-gauss-markov-mobility-model-%s" % self.guid