87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
from core.experiment import Experiment, ExperimentParameter
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import os
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class VLCParameter(ExperimentParameter):
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FILE = "vlcFile"
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TIME = "vlcTime"
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def __init__(self, experiment_parameter_filename):
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super(VLCParameter, self).__init__(experiment_parameter_filename)
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self.default_parameters.update({
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VLCParameter.FILE: "bunny_ibmff_360.mpd",
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VLCParameter.TIME: "0",
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})
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class VLC(Experiment):
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NAME = "vlc"
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SERVER_LOG = "vlc_server.log"
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CLIENT_LOG = "vlc_client.log"
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VLC_BIN = "/home/mininet/vlc/vlc"
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PING_OUTPUT = "ping.log"
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def __init__(self, experiment_parameter_filename, topo, topo_config):
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super(VLC, self).__init__(experiment_parameter_filename, topo, topo_config)
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self.load_parameters()
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self.ping()
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def ping(self):
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self.topo.command_to(self.topo_config.client, "rm " + \
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VLC.PING_OUTPUT )
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count = self.experiment_parameter.get(ExperimentParameter.PING_COUNT)
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for i in range(0, self.topo_config.client_interface_count()):
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cmd = self.ping_command(self.topo_config.getClientIP(i),
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self.topo_config.getServerIP(), n = count)
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self.topo.command_to(self.topo_config.client, cmd)
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def ping_command(self, fromIP, toIP, n=5):
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s = "ping -c " + str(n) + " -I " + fromIP + " " + toIP + \
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" >> " + VLC.PING_OUTPUT
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print(s)
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return s
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def load_parameters(self):
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self.file = self.experiment_parameter.get(VLCParameter.FILE)
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self.time = self.experiment_parameter.get(VLCParameter.TIME)
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def prepare(self):
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super(VLC, self).prepare()
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self.topo.command_to(self.topo_config.client, "rm " + \
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VLC.CLIENT_LOG )
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self.topo.command_to(self.topo_config.client, "Xvfb :66 &")
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self.topo.command_to(self.topo_config.server, "rm " + \
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VLC.SERVER_LOG )
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def get_vlc_server_cmd(self):
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s = "/etc/init.d/apache2 restart &> {}".format(VLC.SERVER_LOG)
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print(s)
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return s
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def get_vlc_client_cmd(self):
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s = "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/mininet/usr/lib/ && sudo ldconfig && \
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{} -I dummy --x11-display :66 --adaptive-logic 3 --no-loop --play-and-exit \
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http://{}/{} 2>&1 | grep -E '(Neb|halp|bandwidth|late|Buffering|buffering)' > {} {}".format(
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VLC.VLC_BIN, self.topo_config.getServerIP(), self.file, VLC.CLIENT_LOG,
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"&" if self.time != "0" else "")
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print(s)
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return s
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def clean(self):
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super(VLC, self).clean(self)
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self.topo.command_to(self.topo_config.client, "pkill Xvfb")
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def run(self):
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cmd = self.get_vlc_server_cmd()
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self.topo.command_to(self.topo_config.server, cmd)
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self.topo.command_to(self.topo_config.client, "sleep 1")
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cmd = self.get_vlc_client_cmd()
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self.topo.command_to(self.topo_config.client, cmd)
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if self.time != "0" :
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self.topo.command_to(self.topo_config.client, "sleep " + self.time)
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self.topo.command_to(self.topo_config.client, "pkill -9 -f vlc")
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self.topo.command_to(self.topo_config.client, "sleep 2")
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