--- /dev/null
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.execution.attribute import Attribute, Flags, Types
+from nepi.execution.resource import ResourceManager, clsinit_copy, ResourceState, \
+ reschedule_delay
+from nepi.execution.resource import clsinit_copy
+from nepi.resources.linux.application import LinuxApplication
+from nepi.util.timefuncs import tnow
+
+import os
+
+@clsinit_copy
+class LinuxUdpTest(LinuxApplication):
+ """ Uses the hpcbench udptest tool to gather UDP measurements.
+ Measurements require two ends, a server and a client RM.
+
+ http://hpcbench.sourceforge.net/
+ """
+ _rtype = "LinuxUdpTest"
+
+ @classmethod
+ def _register_attributes(cls):
+ s = Attribute("s",
+ "Runs in server mode. ",
+ type = Types.Bool,
+ default = False,
+ flags = Flags.ExecReadOnly)
+
+ p = Attribute("p",
+ "Port to listen to in server mode, or to connect to in client mode. "
+ "Defaults to 5678. ",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ a = Attribute("a",
+ "Client option. Perform UDP Round Trip Time (latency) ",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ A = Attribute("A",
+ "Client option. "
+ "Message size for UDP RTT test. "
+ "UDP RTT (latency) test with specified message size.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ b = Attribute("b",
+ "Client option. "
+ "Client UDP buffer size in bytes. Using system default "
+ "value if not defined.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ B = Attribute("B",
+ "Client option. "
+ "Server UDP buffer size in bytes. The same as cleint's by default.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ c = Attribute("c",
+ "Client option. "
+ "CPU log option. Tracing system info during the test. "
+ "Only available when output is defined. ",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ d = Attribute("d",
+ "Client option. "
+ "Data size of each read/write in bytes. The same as packet size "
+ "by default.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ e = Attribute("e",
+ "Client option. "
+ "Exponential test (data size of each sending increasing from 1 "
+ "byte to packet size). ",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ g = Attribute("g",
+ "Client option. "
+ "UDP traffic generator (Keep sending data to a host). "
+ "Work without server's support.",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ target = Attribute("target",
+ "Client option. "
+ "Hostname or IP address of UDP server. Must be specified.",
+ flags = Flags.ExecReadOnly)
+
+ i = Attribute("i",
+ "Client option. "
+ "Bidirectional UDP throuhgput test. Default is unidirection "
+ "stream test. ",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ l = Attribute("l",
+ "Client option. "
+ "UDP datagram (packet) size in bytes ( < udp-buffer-szie ). "
+ "1460 by default.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ m = Attribute("m",
+ "Client option. "
+ "Total message size in bytes. 1048576 by default.",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ o = Attribute("o",
+ "Client option. "
+ "Output file name. ",
+ flags = Flags.ExecReadOnly)
+
+ P = Attribute("P",
+ "Client option. "
+ "Write the plot file for gnuplot. Only enable when the output "
+ "is specified. ",
+ type = Types.Bool,
+ flags = Flags.ExecReadOnly)
+
+ q = Attribute("q",
+ "Client option. "
+ "Define the TOS field of IP packets. "
+ "Six values can be used for this setting:\n"
+ " 1:(IPTOS)-Minimize delay\n"
+ " 2:(IPTOS)-Maximize throughput\n"
+ " 3:(DiffServ)-Class1 with low drop probability\n"
+ " 4:(DiffServ)-class1 with high drop probability\n"
+ " 5:(DiffServ)-Class4 with low drop probabiltiy\n"
+ " 6:(DiffServ)-Class4 with high drop probabiltiy\n"
+ "Write the plot file for gnuplot. Only enable when the output "
+ "is specified. ",
+ type = Types.Enumerate,
+ allowed = ["1", "2", "3", "4", "5", "6"],
+ flags = Flags.ExecReadOnly)
+
+ r = Attribute("r",
+ "Client option. "
+ "Repetition of tests. 10 by default. ",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ t = Attribute("t",
+ "Client option. "
+ "Test time constraint in seconds. 5 by default. ",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ T = Attribute("T",
+ "Client option. "
+ "Throughput constraint for UDP generator or throughput "
+ "test. Unlimited by default. ",
+ type = Types.Integer,
+ flags = Flags.ExecReadOnly)
+
+ continuous = Attribute("continuous",
+ "Run nping in a while loop",
+ type = Types.Bool,
+ default = False,
+ flags = Flags.ExecReadOnly)
+
+ print_timestamp = Attribute("printTimestamp",
+ "Print timestamp before running nping",
+ type = Types.Bool,
+ default = False,
+ flags = Flags.ExecReadOnly)
+
+ cls._register_attribute(s)
+ cls._register_attribute(p)
+ cls._register_attribute(a)
+ cls._register_attribute(A)
+ cls._register_attribute(b)
+ cls._register_attribute(B)
+ cls._register_attribute(c)
+ cls._register_attribute(d)
+ cls._register_attribute(e)
+ cls._register_attribute(g)
+ cls._register_attribute(target)
+ cls._register_attribute(g)
+ cls._register_attribute(i)
+ cls._register_attribute(l)
+ cls._register_attribute(m)
+ cls._register_attribute(o)
+ cls._register_attribute(P)
+ cls._register_attribute(q)
+ cls._register_attribute(r)
+ cls._register_attribute(t)
+ cls._register_attribute(T)
+ cls._register_attribute(continuous)
+ cls._register_attribute(print_timestamp)
+
+ def __init__(self, ec, guid):
+ super(LinuxUdpTest, self).__init__(ec, guid)
+ self._home = "udptest-%s" % self.guid
+
+ def deploy(self):
+ if not self.get("command"):
+ self.set("command", self._start_command)
+
+ if not self.get("sources"):
+ self.set("sources", self._sources)
+
+ if not self.get("install"):
+ self.set("install", self._install)
+
+ if not self.get("build"):
+ self.set("build", self._build)
+
+ if not self.get("env"):
+ self.set("env", self._environment)
+
+ if not self.get("depends"):
+ self.set("depends", self._depends)
+
+ super(LinuxUdpTest, self).deploy()
+
+ def upload_start_command(self):
+
+ super(LinuxUdpTest, self).upload_start_command()
+
+ if self.get("s") == True:
+ # We want to make sure the server is running
+ # before the client starts.
+ # Run the command as a bash script in background,
+ # in the host ( but wait until the command has
+ # finished to continue )
+ self._run_in_background()
+
+ def start(self):
+ if self.get("s") == True:
+ # Server is already running
+ if self._state == ResourceState.READY:
+ command = self.get("command")
+ self.info("Starting command '%s'" % command)
+
+ self._start_time = tnow()
+ self._state = ResourceState.STARTED
+ else:
+ msg = " Failed to execute command '%s'" % command
+ self.error(msg, out, err)
+ self._state = ResourceState.FAILED
+ raise RuntimeError, msg
+ else:
+ super(LinuxUdpTest, self).start()
+
+ @property
+ def _start_command(self):
+ args = []
+ if self.get("continuous") == True:
+ args.append("while true; do ")
+
+ if self.get("printTimestamp") == True:
+ args.append("""echo "`date +'%Y%m%d%H%M%S'`";""")
+
+ if self.get("s") == True:
+ args.append("udpserver")
+ else:
+ args.append("udptest")
+
+ if self.get("p"):
+ args.append("-p %d" % self.get("p"))
+ if self.get("a") == True:
+ args.append("-a")
+ if self.get("A"):
+ args.append("-A %d" % self.get("A"))
+ if self.get("b"):
+ args.append("-b %d" % self.get("b"))
+ if self.get("B"):
+ args.append("-B %d" % self.get("B"))
+ if self.get("c") == True:
+ args.append("-c")
+ if self.get("d"):
+ args.append("-d %d" % self.get("d"))
+ if self.get("e") == True:
+ args.append("-e")
+ if self.get("g") == True:
+ args.append("-g")
+ if self.get("target"):
+ args.append("-h %s" % self.get("target"))
+ if self.get("i") == True:
+ args.append("-i")
+ if self.get("l"):
+ args.append("-l %d" % self.get("l"))
+ if self.get("m"):
+ args.append("-m %d" % self.get("m"))
+ if self.get("o"):
+ args.append("-o %d" % self.get("o"))
+ if self.get("P"):
+ args.append("-P %d" % self.get("P"))
+ if self.get("q"):
+ args.append("-q %s" % self.get("q"))
+ if self.get("r"):
+ args.append("-r %d" % self.get("r"))
+ if self.get("t"):
+ args.append("-t %d" % self.get("t"))
+ if self.get("T"):
+ args.append("-T %d" % self.get("T"))
+
+ if self.get("continuous") == True:
+ args.append("; done ")
+
+ command = " ".join(args)
+
+ return command
+
+ @property
+ def _sources(self):
+ return "http://hpcbench.sourceforge.net/udp.tar.gz"
+
+ @property
+ def _depends(self):
+ return "gcc make"
+
+ @property
+ def _build(self):
+ sources = self.get("sources").split(" ")[0]
+ sources = os.path.basename(sources)
+
+ return (
+ # Evaluate if ccnx binaries are already installed
+ " ( "
+ " test -f ${BIN}/udptest && "
+ " echo 'binaries found, nothing to do' "
+ " ) || ( "
+ # If not, untar and build
+ " ( "
+ " mkdir -p ${SRC}/udptest && "
+ " tar xf ${SRC}/%(sources)s --strip-components=1 -C ${SRC}/udptest "
+ " ) && "
+ "cd ${SRC}/udptest && "
+ # Just execute and silence warnings...
+ " ( make ) "
+ " )") % ({ 'sources': sources,
+ })
+
+ @property
+ def _install(self):
+ return (
+ # Evaluate if ccnx binaries are already installed
+ " ( "
+ " test -f ${BIN}/udptest && "
+ " echo 'binaries found, nothing to do' "
+ " ) || ( "
+ # If not, install
+ " mv ${SRC}/udptest ${BIN} "
+ " )")
+
+ @property
+ def _environment(self):
+ return "PATH=$PATH:${BIN}/udptest"
+
+ def valid_connection(self, guid):
+ # TODO: Validate!
+ return True
+
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