/usr/lib/python3/dist-packages/SimPy/SimulationTrace.py is in python3-simpy 2.3.1+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
SimulationTrace 2.1 Traces execution of SimPy models.
Implements SimPy Processes, Resources, Buffers, and the backbone simulation
scheduling by coroutine calls. Provides data collection through classes
Monitor and Tally.
Based on generators.
"""
from __future__ import print_function
from SimPy.Lister import *
from SimPy.Simulation import *
def trace_dispatch(trace, command, func):
"""
Returns a wrapper for ``func`` which will record the dispatch in the trace
log.
"""
def dispatch(event):
func(event)
trace.recordEvent(command, event)
return dispatch
class SimulationTrace(Simulation):
def __init__(self):
Simulation.__init__(self)
self.trace = Trace(sim=self)
# Trace method to be called on _post calls.
self._post_tracing = None
# We use our own instance of the command dictionary.
self._dispatch = dict(Simulation._dispatch)
# Now wrap all commands in a tracing call.
for command, func in self._dispatch.items():
self._dispatch[command] = trace_dispatch(self.trace, command, func)
def initialize(self):
Simulation.initialize(self)
def _post(self, what, at, prior=False):
if self._post_tracing is not None: self._post_tracing(what, at, prior)
Simulation._post(self, what, at, prior)
def activate(
self, obj, process, at='undefined', delay='undefined', prior=False):
# Activate _post tracing.
self._post_tracing = self.trace.recordActivate
Simulation.activate(self, obj, process, at, delay, prior)
self._post_tracing = None
def reactivate(
self, obj, at='undefined', delay='undefined', prior=False):
# Activate _post tracing.
self._post_tracing = self.trace.recordReactivate
Simulation.reactivate(self, obj, at, delay, prior)
self._post_tracing = None
def _terminate(self, process):
self.trace.tterminated(process)
Simulation._terminate(self, process)
def simulate(self, until=0):
try:
return Simulation.simulate(self, until)
finally:
if not(self.trace.outfile is sys.stdout):
self.trace.outfile.close()
class Trace(Lister):
commands={hold:'hold', passivate:'passivate', request:'request', release:'release',
waitevent:'waitevent', queueevent:'queueevent', waituntil:'waituntil',
get:'get', put:'put'}
def __init__(self, start = 0, end = 10000000000, toTrace=\
['hold', 'activate', 'cancel', 'reactivate', 'passivate', 'request',
'release', 'interrupt', 'terminated', 'waitevent', 'queueevent',
'signal', 'waituntil', 'put', 'get'
],outfile = sys.stdout,sim=None):
Trace.commandsproc={hold:Trace.thold, passivate:Trace.tpassivate,
request:Trace.trequest, release:Trace.trelease,
waitevent:Trace.twaitevent,
queueevent:Trace.tqueueevent,
waituntil:Trace.twaituntil,
get:Trace.tget, put:Trace.tput}
if sim is None: sim=Globals.sim
self.sim=sim
self.start = start
self.end = end
self.toTrace = toTrace
self.tracego = True
self.outfile = outfile
self._comment = None
def treset(self):
Trace.commandsproc={hold:Trace.thold, passivate:Trace.tpassivate,
request:Trace.trequest, release:Trace.trelease,
waitevent:Trace.twaitevent,
queueevent:Trace.tqueueevent,
waituntil:Trace.twaituntil,
get:Trace.tget, put:Trace.tput}
self.start = 0
self.end = 10000000000
self.toTrace = ['hold', 'activate', 'cancel', 'reactivate', 'passivate', 'request',
'release', 'interrupt', 'terminated', 'waitevent', 'queueevent',
'signal', 'waituntil', 'put', 'get']
self.tracego = True
self.outfile = sys.stdout
self._comment = None
def tchange(self,**kmvar):
for v in kmvar:
if v == 'start':
self.start = kmvar[v]
elif v == 'end':
self.end = kmvar[v]
elif v == 'toTrace':
self.toTrace = kmvar[v]
elif v == 'outfile':
self.outfile = kmvar[v]
def tstart(self):
self.tracego = True
def tstop(self):
self.tracego = False
def ifTrace(self, cond):
if self.tracego and (self.start <= self.sim.now() <= self.end)\
and cond:
return True
def thold(self, par):
try:
return 'delay: %s' % par[0][2]
except:
return 'delay: 0'
thold = classmethod(thold)
def trequest(self, par):
res = par[0][2]
if len(par[0]) == 4:
priority = 'priority: ' + str(par[0][3])
else:
priority = 'priority: default'
wQ = [x.name for x in res.waitQ]
aQ = [x.name for x in res.activeQ]
return '<%s> %s\n. . .waitQ: %s\n. . .activeQ: %s' % (res.name, priority, wQ, aQ)
trequest = classmethod(trequest)
def trelease(self, par):
res = par[0][2]
wQ = [x.name for x in res.waitQ]
aQ = [x.name for x in res.activeQ]
return '<%s>\n. . .waitQ: %s\n. . .activeQ: %s' % (res.name, wQ, aQ)
trelease = classmethod(trelease)
def tpassivate(self, par):
return ""
tpassivate = classmethod(tpassivate)
def tactivate(self, par):
pass
tactivate = classmethod(tactivate)
def twaitevent(self, par):
evt = par[0][2]
if type(evt) == list or type(evt) == tuple:
enames = [x.name for x in evt]
return 'waits for events <%s> '%enames
else:
return 'waits for event <%s> '%evt.name
twaitevent = classmethod(twaitevent)
def tqueueevent(self, par):
evt = par[0][2]
if type(evt) == list or type(evt) == tuple:
enames = [x.name for x in evt]
return 'queues for events <%s> '%enames
else:
return 'queues for event <%s> '%evt.name
tqueueevent = classmethod(tqueueevent)
def tsignal(self, evt):
wQ = [x.name for x in evt.waits]
qQ = [x.name for x in evt.queues]
return '<%s> \n. . . occurred: %s\n. . . waiting: %s\n. . . queueing: %s'\
%(evt.name, evt.occurred, wQ, qQ)
pass
tsignal = classmethod(tsignal)
def twaituntil(self, par):
condition = par[0][2]
return 'for condition <%s> '%condition.__name__
twaituntil = classmethod(twaituntil)
def tget(self, par):
buff = par[0][2]
if len(par[0]) == 5:
priority = 'priority: ' + str(par[0][4])
else:
priority = 'priority: default'
if len(par[0]) == 3:
nrToGet = 1
else:
nrToGet = par[0][3]
toGet = 'to get: %s %s from' % (nrToGet, buff.unitName)
getQ = [x.name for x in buff.getQ]
putQ = [x.name for x in buff.putQ]
try:
inBuffer = buff.amount
except:
inBuffer = buff.nrBuffered
return '%s <%s> %s \n. . .getQ: %s \n. . .putQ: %s \n. . .in buffer: %s'\
%(toGet, buff.name, priority, getQ, putQ, inBuffer)
tget = classmethod(tget)
def tput(self, par):
buff = par[0][2]
if len(par[0]) == 5:
priority = 'priority: ' + str(par[0][4])
else:
priority = 'priority: default'
if len(par[0]) == 3:
nrToPut = 1
else:
if type(par[0][3]) == type([]):
nrToPut = len(par[0][3])
else:
nrToPut = par[0][3]
getQ = [x.name for x in buff.getQ]
putQ = [x.name for x in buff.putQ]
toPut = 'to put: %s %s into' % (nrToPut, buff.unitName)
try:
inBuffer = buff.amount
except:
inBuffer = buff.nrBuffered
return '%s <%s> %s \n. . .getQ: %s \n. . .putQ: %s \n. . .in buffer: %s'\
%(toPut, buff.name, priority, getQ, putQ, inBuffer)
tput = classmethod(tput)
def recordEvent(self, command, whole):
if self.ifTrace(Trace.commands[command] in self.toTrace):
if not type(whole[0][0]) == tuple:
print(whole[0][1].sim.now(),\
Trace.commands[command],\
'<' + whole[0][1].name + '>',\
Trace.commandsproc[command](whole), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
else:
print(whole[0][0][1].sim.now(),\
Trace.commands[command],\
'<' + whole[0][0][1].name + '>'+\
Trace.commandsproc[command](whole[0]), file=self.outfile)
print('|| RENEGE COMMAND:', file=self.outfile)
command1 = whole[0][1][0]
print('||\t', Trace.commands[command1],\
'<' + whole[0][1][1].name + '>',\
Trace.commandsproc[command1]((whole[0][1],)), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def recordInterrupt(self, who, victim):
if self.ifTrace('interrupt' in self.toTrace):
print('%s interrupt by: <%s> of: <%s>'\
%(who.sim.now(),who.name, victim.name), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def recordCancel(self, who, victim):
if self.ifTrace('cancel' in self.toTrace):
print('%s cancel by: <%s> of: <%s> '\
%(who.sim.now(),who.name, victim.name), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def recordActivate(self, who, when, prior):
if self.ifTrace('activate' in self.toTrace):
print('%s activate <%s> at time: %s prior: %s'\
%(who.sim.now(),who.name,when, prior), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def recordReactivate(self, who, when, prior):
if self.ifTrace('reactivate' in self.toTrace):
print('%s reactivate <%s> time: %s prior: %s'\
%(who.sim.now(),who.name,when, prior), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def recordSignal(self, evt):
if self.ifTrace('signal' in self.toTrace):
print('%s event <%s> is signalled' \
%(evt.sim.now(),evt.name), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def tterminated(self, who):
if self.ifTrace('terminated' in self.toTrace):
print('%s <%s> terminated'\
%(who.sim.now(),who.name), file=self.outfile)
if self._comment:
print('----', self._comment, file=self.outfile)
self._comment = None
def ttext(self, par):
self._comment = par
# For backward compatibility
Globals.sim = SimulationTrace()
trace = Globals.sim.trace
step = Globals.sim.step
peek = Globals.sim.peek
allMonitors = Globals.sim.allMonitors
allTallies = Globals.sim.allTallies
# End backward compatibility
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