def next(self, dummy):
parcel = PipelineParcel()
line = self.p.stdout.readline()
if self.mustTerminate or (line == '' and self.p.poll() != None):
return parcel
parcel.enqueue(line)
return parcel
def handleEOF(self):
parcel = PipelineParcel()
for e in self.tracker.values():
parcel.enqueue(e)
self.tracker = {}
parcel.enqueue(Pipeline.EOF)
return parcel
def next(self, dummy):
parcel = PipelineParcel()
line = self.p.stdout.readline()
if self.mustTerminate or (line == '' and self.p.poll() != None):
return parcel
parcel.enqueue(line)
return parcel
def next(self, specialEvent):
""" Takes a specialEvent and produces a scaled specialEvent with given factors
"""
for e in specialEvent:
self.scaleXY(e)
parcel = PipelineParcel()
parcel.enqueue(specialEvent)
return parcel
def next(self, specialEvent):
""" Takes a specialEvent and produces a time-scaled specialEvent
"""
for e in specialEvent:
e.timestamp *= self.factor
parcel = PipelineParcel()
parcel.enqueue(specialEvent)
return parcel
def next(self, listMotionEvents):
if self.baseTimestamp is None:
self.baseTimestamp = listMotionEvents[0].timestamp
for e in listMotionEvents:
e.timestamp -= self.baseTimestamp
parcel = PipelineParcel()
parcel.enqueue(listMotionEvents)
return parcel
def next(self, dummy):
""" Takes nothing and produces lines from the file
"""
parcel = PipelineParcel()
line = self.fp.readline()
if line != "":
parcel.enqueue(line)
return parcel
def next(self, listMotionEvent):
""" Take a stream a motion events and produce adjusted motion events
"""
parcel = PipelineParcel()
for e in listMotionEvent:
e.x = (e.x - self.xmin) * self.dev.displayWidth / (self.xmax - self.xmin)
e.y = (e.y - self.ymin) * self.dev.displayHeight / (self.ymax - self.ymin)
parcel.enqueue(listMotionEvent)
return parcel
class TroubleInjector(PipelineComponent):
"""Inject random events into the replay trace,
the randomness of these events are controlled by a seed, thus reproducible
"""
def __init__(self,
seed='WTF',
specialEvents=[
'wifi', 'cellular', 'toggleScreen', 'rotateScreen',
'pressBack', 'pressHome'
],
number=25):
"""SpecialEvents is a list containing the names of all possible special events.
current possible special events:
wifi
cellular
toggleScreen
rotateScreen
pressBack
pressHome
"""
random.seed(seed)
seq = specialEvents * (number / len(specialEvents) + 1)
self.randomSeries = random.sample(seq, number)
self.insertChoice = []
while self.insertChoice.count(True) < number:
self.insertChoice.extend(random.sample([True, False], 1))
self.prevGesture = None
self.idx = 0
self.insertionIdx = 0
self.parcel = PipelineParcel()
def next(self, gestureEvent):
"""read in the trails and inject special events
"""
if self.prevGesture:
if self.idx < len(self.randomSeries):
if self.insertChoice[self.insertionIdx]:
timestamp = (self.prevGesture.timestamp +
gestureEvent.timestamp) / 2
injection = SpecialEvent(self.randomSeries[self.idx],
timestamp)
self.parcel.enqueue(injection)
self.idx = self.idx + 1
else:
pass
self.insertionIdx = self.insertionIdx + 1
else:
pass
else:
pass
self.parcel.enqueue(gestureEvent)
self.prevGesture = gestureEvent
return PipelineParcel()
def handleEOF(self):
return self.parcel
def next(self, replayEvent):
for r in self.replayers:
if r.canAccept(replayEvent):
pp = r.next(replayEvent)
# sync all timestamps
for rp in self.replayers:
rp.setTimestamp(r.getTimestamp())
return pp
pp = PipelineParcel()
pp.enqueue(replayEvent)
return pp
class TroubleInjector(PipelineComponent):
"""Inject random events into the replay trace,
the randomness of these events are controlled by a seed, thus reproducible
"""
def __init__(self, seed='WTF', specialEvents=['wifi', 'cellular', 'toggleScreen', 'rotateScreen', 'pressBack', 'pressHome'], number=25):
"""SpecialEvents is a list containing the names of all possible special events.
current possible special events:
wifi
cellular
toggleScreen
rotateScreen
pressBack
pressHome
"""
random.seed(seed)
seq = specialEvents * (number / len(specialEvents) + 1)
self.randomSeries = random.sample(seq, number)
self.insertChoice = []
while self.insertChoice.count(True) < number:
self.insertChoice.extend(random.sample([True, False], 1))
self.prevGesture = None
self.idx = 0
self.insertionIdx = 0
self.parcel = PipelineParcel()
def next(self, gestureEvent):
"""read in the trails and inject special events
"""
if self.prevGesture:
if self.idx < len(self.randomSeries):
if self.insertChoice[self.insertionIdx]:
timestamp = (
self.prevGesture.timestamp + gestureEvent.timestamp) / 2
injection = SpecialEvent(
self.randomSeries[self.idx], timestamp)
self.parcel.enqueue(injection)
self.idx = self.idx + 1
else:
pass
self.insertionIdx = self.insertionIdx + 1
else:
pass
else:
pass
self.parcel.enqueue(gestureEvent)
self.prevGesture = gestureEvent
return PipelineParcel()
def handleEOF(self):
return self.parcel
def handleEOF(self):
# a bit trickier, harvest all objects by calling
# all containing replayers
mypp = PipelineParcel()
for r in self.replayers:
pp = r.handleEOF()
while not pp.isEmpty():
obj = pp.dequeue()
if obj != Pipeline.EOF:
mypp.enqueue(obj)
if mypp.isEmpty():
mypp.enqueue(Pipeline.EOF)
return mypp
def next(self, geteventCmd):
""" Take a stream of getevent commands and produce motion events
"""
parcel = PipelineParcel()
if geteventCmd.evType == "EV_ABS":
if self.currentSlot is None:
self.currentSlot = MotionEvent()
if geteventCmd.evCmd == "ABS_MT_POSITION_X" or geteventCmd.evCmd == "ABS_X":
self.currentSlot.x = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_POSITION_Y" or geteventCmd.evCmd == "ABS_Y":
self.currentSlot.y = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_TRACKING_ID":
if geteventCmd.evVal == 0xFFFFFFFF:
self.currentSlot = None
else:
self.currentSlot.tracking_id = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_PRESSURE":
self.currentSlot.pressure = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_TOUCH_MAJOR":
self.currentSlot.touch_major = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MISC":
self.dontReport = True
else:
print("[WARN] Type A MT meets unknown evCmd" + str(geteventCmd))
elif geteventCmd.evType == "EV_KEY":
if geteventCmd.evCmd == "BTN_TOUCH":
print("[WARN] TypeA MT ignores BTN_TOUCH")
else:
print("[WARN] TypeA MT meets unknown evCmd" + str(geteventCmd))
elif geteventCmd.evType == "EV_SYN":
if geteventCmd.evCmd == "SYN_REPORT":
if self.currentSlot is not None:
self.currentSlot.timestamp = geteventCmd.timestamp
self.listMotions.append(self.currentSlot)
self.currentSlot = self.currentSlot.clone()
if self.dontReport:
self.dontReport = False
else:
parcel.enqueue(self.listMotions)
self.listMotions = []
elif geteventCmd.evCmd == "SYN_MT_REPORT":
if self.currentSlot is not None:
self.currentSlot.timestamp = geteventCmd.timestamp
self.listMotions.append(self.currentSlot)
self.currentSlot = None
else:
print("[WARN] TypeA MT meets unknown evCmd" + str(geteventCmd))
else:
print("[WARN] TypeA MT skips unknown line:" + str(geteventCmd))
return parcel
def next(self, listMotionEvents):
""" Takes a list of motion events and produces finger trails
"""
prev = self.tracker
alive = {}
for e in listMotionEvents:
if e.tracking_id in prev:
t = prev[e.tracking_id]
t.append(e)
del prev[e.tracking_id]
alive[e.tracking_id] = t
else:
alive[e.tracking_id] = [e]
self.tracker = alive
parcel = PipelineParcel()
for specialEvent in prev.values():
parcel.enqueue(specialEvent)
return parcel
def next(self, geteventCmd):
""" Takes a stream of getevent commands and produce motion events
"""
parcel = PipelineParcel()
if geteventCmd.evType == "EV_ABS":
if geteventCmd.evCmd == "ABS_MT_SLOT":
self.currentSlotIndex = geteventCmd.evVal
if geteventCmd.evVal >= len(self.slots):
self.slots.extend([None] * (geteventCmd.evVal + 1 - len(self.slots)))
self.slots[geteventCmd.evVal] = MotionEvent()
self.currentSlot = self.slots[self.currentSlotIndex]
elif geteventCmd.evCmd == "ABS_MT_POSITION_X":
self.currentSlot.x = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_POSITION_Y":
self.currentSlot.y = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_TRACKING_ID":
if geteventCmd.evVal == 0xFFFFFFFF:
# unbinding
self.slots[self.currentSlotIndex] = MotionEvent()
else:
# binding tracking_id to slot
self.currentSlot.tracking_id = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_PRESSURE":
self.currentSlot.pressure = geteventCmd.evVal
elif geteventCmd.evCmd == "ABS_MT_TOUCH_MAJOR":
self.currentSlot.touch_major = geteventCmd.evVal
else:
print("[WARN] Type B MT meets unknown evCmd" + str(geteventCmd))
elif geteventCmd.evType == "EV_SYN":
if geteventCmd.evCmd == "SYN_REPORT":
for motionEvent in self.slots:
if motionEvent.tracking_id != 0xFFFFFFFF:
motionEvent.timestamp = geteventCmd.timestamp
parcel.enqueue(motionEvent)
else:
print("[WARN] Type B MT meets unknown evCmd" + str(geteventCmd))
else:
print("[WARN] Type B MT skips unknown line:" + str(geteventCmd))
return parcel
def next(self, line):
""" Takes a single line of the raw trace and produces a getevent command object
a line is in the format of:
time(float) evType(str) evCmd(str) evVal(int)
refer to the Linux evdev doc for details
here we assume the line is dumped from `getevent -lt <EVDEV>
"""
m = self.pattern.match(line)
e = GeteventCommand()
if m is None:
print("[ERROR] unidentified raw trace line:" + line)
sys.exit()
e.timestamp = float(m.group(1))
e.evType = m.group(2)
e.evCmd = m.group(3)
if m.group(4) == "DOWN":
e.evVal = 1 # TODO special cases for BTN_TOUCH
elif m.group(4) == "UP":
e.evVal = 0
else:
e.evVal = int(m.group(4), 16)
parcel = PipelineParcel()
parcel.enqueue(e)
return parcel
def next(self, dummy):
parcel = PipelineParcel()
if self.list:
parcel.enqueue(self.list.pop())
return parcel
def next(self, dummy):
parcel = PipelineParcel()
if self.list:
parcel.enqueue(self.list.pop())
return parcel
def next(self, specialEvent):
pp = PipelineParcel()
pp.enqueue(GestureReplayEvent(specialEvent))
return pp
def next(self, specialEvent):
pp = PipelineParcel()
pp.enqueue(GestureReplayEvent(specialEvent))
return pp
