from nepi.execution.resource import ResourceManager, clsinit_copy, \
ResourceState, reschedule_delay
from nepi.resources.linux.application import LinuxApplication
-from nepi.resources.linux.node import OSType
from nepi.util.timefuncs import tnow, tdiffsec
from nepi.resources.ns3.ns3simulator import NS3Simulator
from nepi.resources.linux.ns3.ns3client import LinuxNS3Client
@classmethod
def _register_attributes(cls):
- max_rte = Attribute("maxRteMicrosec",
- "Sets the CCND_MAX_RTE_MICROSEC environmental variable. ",
- flags = Flags.ExecReadOnly)
+ socket_name = Attribute("socketName",
+ "Local socket name to communicate with the ns-3 server ",
+ flags = Flags.Design)
- cls._register_attribute(max_rte)
+ cls._register_attribute(socket_name)
def __init__(self, ec, guid):
super(LinuxApplication, self).__init__(ec, guid)
super(NS3Simulator, self).__init__()
+ self._client = None
self._home = "ns3-simu-%s" % self.guid
-
- # TODO: Create socket!!
- self._client = LinuxNS3Client(socket_name)
-
def do_deploy(self):
if not self.node or self.node.state < ResourceState.READY:
# ccnd needs to wait until node is deployed and running
self.ec.schedule(reschedule_delay, self.deploy)
else:
- if not self.get("command"):
- self.set("command", self._start_command)
- if not self.get("depends"):
- self.set("depends", self._dependencies)
-
- if not self.get("sources"):
- self.set("sources", self._sources)
-
- sources = self.get("sources")
- source = sources.split(" ")[0]
- basename = os.path.basename(source)
- self._version = ( basename.strip().replace(".tar.gz", "")
- .replace(".tar","")
- .replace(".gz","")
- .replace(".zip","") )
-
- if not self.get("build"):
- self.set("build", self._build)
-
- if not self.get("install"):
- self.set("install", self._install)
+ # TODO: Create socket!!
+ socket_name = self.get("socketName")
+ self._client = LinuxNS3Client(socket_name)
- if not self.get("env"):
- self.set("env", self._environment)
-
- command = self.get("command")
-
- self.info("Deploying command '%s' " % command)
-
- self.do_discover()
- self.do_provision()
+ #self.do_discover()
+ #self.do_provision()
self.debug("----- READY ---- ")
self.set_ready()
- def upload_start_command(self):
- command = self.get("command")
- env = self.get("env")
-
- # We want to make sure the ccnd is running
- # before the experiment starts.
- # Run the command as a bash script in background,
- # in the host ( but wait until the command has
- # finished to continue )
- env = self.replace_paths(env)
- command = self.replace_paths(command)
-
- shfile = os.path.join(self.app_home, "start.sh")
- self.node.run_and_wait(command, self.run_home,
- shfile = shfile,
- overwrite = False,
- env = env,
- raise_on_error = True)
-
- def do_start(self):
- if self.state == ResourceState.READY:
- command = self.get("command")
- self.info("Starting command '%s'" % command)
-
- self.set_started()
- else:
- msg = " Failed to execute command '%s'" % command
- self.error(msg, out, err)
- raise RuntimeError, msg
-
- def do_stop(self):
- command = self.get('command') or ''
-
- if self.state == ResourceState.STARTED:
- self.info("Stopping command '%s'" % command)
-
- command = "ccndstop"
- env = self.get("env")
-
- # replace application specific paths in the command
- command = self.replace_paths(command)
- env = env and self.replace_paths(env)
-
- # Upload the command to a file, and execute asynchronously
- shfile = os.path.join(self.app_home, "stop.sh")
- self.node.run_and_wait(command, self.run_home,
- shfile = shfile,
- overwrite = False,
- env = env,
- pidfile = "ccndstop_pidfile",
- ecodefile = "ccndstop_exitcode",
- stdout = "ccndstop_stdout",
- stderr = "ccndstop_stderr")
-
- self.set_stopped()
-
- @property
- def state(self):
- # First check if the ccnd has failed
- state_check_delay = 0.5
- if self._state == ResourceState.STARTED and \
- tdiffsec(tnow(), self._last_state_check) > state_check_delay:
- (out, err), proc = self._ccndstatus()
-
- retcode = proc.poll()
-
- if retcode == 1 and err.find("No such file or directory") > -1:
- # ccnd is not running (socket not found)
- self.set_stopped()
- elif retcode:
- # other errors ...
- msg = " Failed to execute command '%s'" % self.get("command")
- self.error(msg, out, err)
- self.fail()
-
- self._last_state_check = tnow()
-
- return self._state
-
- def _ccndstatus(self):
- env = self.get('env') or ""
- environ = self.node.format_environment(env, inline = True)
- command = environ + " ccndstatus"
- command = self.replace_paths(command)
-
- return self.node.execute(command)
-
- @property
- def _start_command(self):
- return "ccndstart"
-
- @property
- def _dependencies(self):
- if self.node.use_rpm:
- return ( " autoconf openssl-devel expat-devel libpcap-devel "
- " ecryptfs-utils-devel libxml2-devel automake gawk "
- " gcc gcc-c++ git pcre-devel make ")
- elif self.node.use_deb:
- return ( " autoconf libssl-dev libexpat-dev libpcap-dev "
- " libecryptfs0 libxml2-utils automake gawk gcc g++ "
- " git-core pkg-config libpcre3-dev make ")
- return ""
-
- @property
- def _sources(self):
- return "http://www.ccnx.org/releases/ccnx-0.7.2.tar.gz"
-
- @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}/%(version)s/ccnd && "
- " echo 'binaries found, nothing to do' "
- " ) || ( "
- # If not, untar and build
- " ( "
- " mkdir -p ${SRC}/%(version)s && "
- " tar xf ${SRC}/%(sources)s --strip-components=1 -C ${SRC}/%(version)s "
- " ) && "
- "cd ${SRC}/%(version)s && "
- # Just execute and silence warnings...
- " ( ./configure && make ) "
- " )") % ({ 'sources': sources,
- 'version': self.version
- })
-
- @property
- def _install(self):
- return (
- # Evaluate if ccnx binaries are already installed
- " ( "
- " test -f ${BIN}/%(version)s/ccnd && "
- " echo 'binaries found, nothing to do' "
- " ) || ( "
- # If not, install
- " mkdir -p ${BIN}/%(version)s && "
- " mv ${SRC}/%(version)s/bin/* ${BIN}/%(version)s/ "
- " )"
- ) % ({ 'version': self.version
- })
-
- @property
- def _environment(self):
- envs = dict({
- "debug": "CCND_DEBUG",
- "port": "CCN_LOCAL_PORT",
- "sockname" : "CCN_LOCAL_SOCKNAME",
- "capacity" : "CCND_CAP",
- "mtu" : "CCND_MTU",
- "dataPauseMicrosec" : "CCND_DATA_PAUSE_MICROSEC",
- "defaultTimeToStale" : "CCND_DEFAULT_TIME_TO_STALE",
- "maxTimeToStale" : "CCND_MAX_TIME_TO_STALE",
- "maxRteMicrosec" : "CCND_MAX_RTE_MICROSEC",
- "keyStoreDirectory" : "CCND_KEYSTORE_DIRECTORY",
- "listenOn" : "CCND_LISTEN_ON",
- "autoreg" : "CCND_AUTOREG",
- "prefix" : "CCND_PREFIX",
- })
-
- env = self.path
- env += " ".join(map(lambda k: "%s=%s" % (envs.get(k), str(self.get(k))) \
- if self.get(k) else "", envs.keys()))
-
- return env
-
- def valid_connection(self, guid):
- # TODO: Validate!
- return True
-
git://git.onelab.eu / nepi.git / blobdiff