from Screens.SubserviceSelection import SubserviceSelection
import NavigationInstance
-from Tools.XMLTools import elementsWithTag
+from Tools.XMLTools import elementsWithTag, mergeText
from ServiceReference import ServiceReference
# ok, for descriptions etc we have:
eit = ev.getEventId()
return (begin, end, name, description, eit)
+# please do not translate log messages
class RecordTimerEntry(timer.TimerEntry):
def __init__(self, serviceref, begin, end, name, description, eit):
timer.TimerEntry.__init__(self, int(begin), int(end))
assert isinstance(serviceref, ServiceReference)
self.service_ref = serviceref
-
self.eit = eit
-
self.dontSave = False
self.name = name
self.description = description
self.timer = None
self.record_service = None
- self.wantStart = False
- self.prepareOK = False
+ self.log_entries = []
+ self.resetState()
+
+ def log(self, code, msg):
+ self.log_entries.append((int(time.time()), code, msg))
+ print "[TIMER]", msg
+
+ def resetState(self):
+ self.state = self.StateWaiting
+ self.first_try_prepare = True
+ self.timeChanged()
+
def calculateFilename(self):
service_name = self.service_ref.getServiceName()
# begin_date = datetime.fromtimestamp(begin).strf...
print "description: ", self.description
self.Filename = Directories.getRecordingFilename(service_name)
+ self.log(0, "Filename calculated as: '%s'" % self.Filename)
#begin_date + " - " + service_name + description)
-
def tryPrepare(self):
self.calculateFilename()
self.record_service = NavigationInstance.instance.recordService(self.service_ref)
if self.record_service == None:
+ self.log(1, "'record service' failed")
return False
else:
- if self.record_service.prepare(self.Filename + ".ts"):
+ prep_res = self.record_service.prepare(self.Filename + ".ts")
+ if prep_res:
+ self.log(2, "'prepare' failed: error %d" % prep_res)
self.record_service = None
return False
- f = open(self.Filename + ".ts.meta", "w")
- f.write(str(self.service_ref) + "\n")
- f.write(self.name + "\n")
- f.write(self.description + "\n")
- f.write(str(self.begin) + "\n")
- del f
+ self.log(3, "prepare ok, writing meta information to %s" % self.Filename)
+ try:
+ f = open(self.Filename + ".ts.meta", "w")
+ f.write(str(self.service_ref) + "\n")
+ f.write(self.name + "\n")
+ f.write(self.description + "\n")
+ f.write(str(self.begin) + "\n")
+ f.close()
+ except:
+ self.log(4, "failed to write meta information")
return True
- def activate(self, event):
- if event == self.EventPrepare:
- self.prepareOK = False
+ def do_backoff(self):
+ if self.backoff == 0:
+ self.backoff = 5
+ else:
+ self.backoff *= 2
+ if self.backoff > 100:
+ self.backoff = 100
+ self.log(10, "backoff: retry in %d seconds" % self.backoff)
+
+ def activate(self):
+ next_state = self.state + 1
+ self.log(5, "activating state %d" % next_state)
+
+ if next_state == self.StatePrepared:
if self.tryPrepare():
- self.prepareOK = True
- else:
- # error.
+ self.log(6, "prepare ok, waiting for begin")
+ # fine. it worked, resources are allocated.
+ self.next_activation = self.begin
+ self.backoff = 0
+ return True
+
+ self.log(7, "prepare failed")
+ if self.first_try_prepare:
+ self.first_try_prepare = False
if config.recording.asktozap.value == 0:
+ self.log(8, "asking user to zap away")
Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n"))
else: # zap without asking
+ self.log(9, "zap without asking")
self.failureCB(True)
- elif event == self.EventStart:
- if self.prepareOK:
- self.record_service.start()
- print "timer started!"
- else:
- print "prepare failed, thus start failed, too."
- self.wantStart = True
- elif event == self.EventEnd or event == self.EventAbort:
- self.wantStart = False
- if self.prepareOK:
- self.record_service.stop()
- self.record_service = None
-
- print "Timer successfully ended"
- else:
- print "prepare failed, thus nothing was recorded."
- def abort():
- # fixme
- pass
+ self.do_backoff()
+ # retry
+ self.start_prepare = time.time() + self.backoff
+ return False
+ elif next_state == self.StateRunning:
+ self.log(11, "start recording")
+ record_res = self.record_service.start()
+
+ if record_res:
+ self.log(13, "start record returned %d" % record_res)
+ self.do_backoff()
+ # retry
+ self.begin = time.time() + self.backoff
+ return False
+
+ return True
+ elif next_state == self.StateEnded:
+ self.log(12, "stop recording")
+ self.record_service.stop()
+ self.record_service = None
+ return True
+
+ def getNextActivation(self):
+ if self.state == self.StateEnded:
+ return self.end
+
+ next_state = self.state + 1
+
+ return {self.StatePrepared: self.start_prepare,
+ self.StateRunning: self.begin,
+ self.StateEnded: self.end }[next_state]
def failureCB(self, answer):
if answer == True:
+ self.log(13, "ok, zapped away")
#NavigationInstance.instance.stopUserServices()
- print "[RecordTimer] zapping to", self.service_ref
NavigationInstance.instance.playService(self.service_ref.ref)
- self.activate(self.EventPrepare)
-
- if self.wantStart:
- print "post-activating record"
- self.activate(self.EventStart)
else:
- print "user killed record"
+ self.log(14, "user didn't want to zap away, record will probably fail")
+
+ def timeChanged(self):
+ self.start_prepare = self.begin - self.prepare_time
+ self.backoff = 0
+ self.log(15, "record time changed, start prepare is now: %s" % time.ctime(self.start_prepare))
def createTimer(xml):
begin = int(xml.getAttribute("begin"))
#filename = xml.getAttribute("filename").encode("utf-8")
entry = RecordTimerEntry(serviceref, begin, end, name, description, eit)
entry.repeated = int(repeated)
+
+ for l in elementsWithTag(xml.childNodes, "log"):
+ time = int(l.getAttribute("time"))
+ code = int(l.getAttribute("code"))
+ msg = mergeText(l.childNodes).strip()
+ entry.log_entries.append((time, code, msg))
+
return entry
class RecordTimer(timer.Timer):
self.loadTimer()
except IOError:
print "unable to load timers from file!"
-
+
def isRecording(self):
isRunning = False
for timer in self.timer_list:
t = doc.createTextNode("\t")
root_element.appendChild(t)
t = doc.createElement('timer')
- t.setAttribute("begin", str(timer.begin))
- t.setAttribute("end", str(timer.end))
+ t.setAttribute("begin", str(int(timer.begin)))
+ t.setAttribute("end", str(int(timer.end)))
t.setAttribute("serviceref", str(timer.service_ref))
t.setAttribute("repeated", str(timer.repeated))
t.setAttribute("name", timer.name)
t.setAttribute("description", timer.description)
t.setAttribute("eit", str(timer.eit))
+ for time, code, msg in timer.log_entries:
+ t.appendChild(doc.createTextNode("\t\t"))
+ l = doc.createElement('log')
+ l.setAttribute("time", str(time))
+ l.setAttribute("code", str(code))
+ l.appendChild(doc.createTextNode(msg))
+ t.appendChild(l)
+ t.appendChild(doc.createTextNode("\n"))
+
root_element.appendChild(t)
t = doc.createTextNode("\n")
root_element.appendChild(t)
doc.writexml(file)
file.write("\n")
file.close()
-
+
def record(self, entry):
+ entry.timeChanged()
print "[Timer] Record " + str(entry)
entry.Timer = self
self.addTimerEntry(entry)
def removeEntry(self, entry):
print "[Timer] Remove " + str(entry)
+ # avoid re-enqueuing
entry.repeated = False
- if entry.state == timer.TimerEntry.StateRunning:
- print "remove running timer."
- entry.end = time.time()
+ # abort timer.
+ # this sets the end time to current time, so timer will be stopped.
+ entry.abort()
+
+ if entry.state != entry.StateEnded:
self.timeChanged(entry)
- elif entry.state != timer.TimerEntry.StateEnded:
- entry.activate(timer.TimerEntry.EventAbort)
- self.timer_list.remove(entry)
-
- self.calcNextActivation()
- print "timer did not yet start - removing"
-
- # the timer was aborted, and removed.
- return
- else:
- print "timer did already end - doing nothing."
print "state: ", entry.state
print "in processed: ", entry in self.processed_timers
from enigma import *
class TimerEntry:
- EventPrepare = 0
- EventStart = 1
- EventEnd = 2
- EventAbort = 3
-
- StateWait = 0
- StatePrepare = 1
- StateRunning = 2
- StateEnded = 3
+ StateWaiting = 0
+ StatePrepared = 1
+ StateRunning = 2
+ StateEnded = 3
def __init__(self, begin, end):
self.begin = begin
self.end = end
self.state = 0
self.resetRepeated()
+ self.backoff = 0
def resetRepeated(self):
self.repeated = int(0)
-
+
def setRepeated(self, day):
self.repeated |= (2 ** day)
print "Repeated: " + str(self.repeated)
self.begin += 86400
self.end += 86400
- def getTime(self):
- if self.state == self.StateWait:
- return self.begin - self.prepare_time
- elif self.state == self.StatePrepare:
- return self.begin
- else:
- return self.end
-
def __lt__(self, o):
- return self.getTime() < o.getTime()
+ return self.getNextActivation() < o.getNextActivation()
- def activate(self, event):
- print "[timer.py] timer %s got activated (%d)!" % (self.description, event)
+ # must be overridden
+ def activate(self):
+ pass
+
+ # can be overridden
+ def timeChanged(self):
+ pass
-class Timer:
+ # check if a timer entry must be skipped
+ def shouldSkip(self):
+ return self.end <= time.time() and self.state == TimerEntry.StateWaiting
+ def abort(self):
+ self.end = time.time()
+
+ # in case timer has not yet started, but gets aborted (so it's preparing),
+ # set begin to now.
+ if self.begin > self.end:
+ self.begin = self.end
+
+ # must be overridden!
+ def getNextActivation():
+ pass
+
+class Timer:
# the time between "polls". We do this because
# we want to account for time jumps etc.
# of course if they occur <100s before starting,
self.calcNextActivation()
+ def stateChanged(self, entry):
+ pass
+
def addTimerEntry(self, entry, noRecalc=0):
entry.processRepeated()
# when the timer has not yet started, and is already passed,
# don't go trough waiting/running/end-states, but sort it
# right into the processedTimers.
- if entry.end <= time.time() and entry.state == TimerEntry.StateWait:
+ if entry.shouldSkip() or entry.state == TimerEntry.StateEnded:
+ print "already passed, skipping"
bisect.insort(self.processed_timers, entry)
entry.state = TimerEntry.StateEnded
else:
self.processed_timers = [ ]
for x in tl:
# simulate a "waiting" state to give them a chance to re-occure
- x.state = TimerEntry.StateWaiting
+ x.resetState()
self.addTimerEntry(x, noRecalc=1)
self.processActivation()
# calculate next activation point
if len(self.timer_list):
- w = self.timer_list[0].getTime()
+ w = self.timer_list[0].getNextActivation()
if w < min:
min = w
self.setNextActivation(min)
def timeChanged(self, timer):
+ timer.timeChanged()
self.timer_list.remove(timer)
self.addTimerEntry(timer)
def doActivate(self, w):
- w.activate(w.state)
self.timer_list.remove(w)
- w.state += 1
+ # when activating a timer which has already passed,
+ # simply abort the timer. don't run trough all the stages.
+ if w.shouldSkip():
+ w.abort()
+ bisect.insort(self.processed_timers, w)
+ else:
+ # when active returns true, this means "accepted".
+ # otherwise, the current state is kept.
+ # the timer entry itself will fix up the delay then.
+ if w.activate():
+ w.state += 1
+
+ # did this timer reached the last state?
if w.state < TimerEntry.StateEnded:
+ # no, sort it into active list
bisect.insort(self.timer_list, w)
else:
- if (w.repeated != 0):
+ # yes. Process repeated, and re-add.
+ if not w.repeated:
w.processRepeated()
- w.state = TimerEntry.StateWait
+ w.state = TimerEntry.StateWaiting
self.addTimerEntry(w)
else:
bisect.insort(self.processed_timers, w)
+
+ self.stateChanged(w)
def processActivation(self):
+ print "It's now ", time.strftime("%c", time.localtime(time.time()))
t = int(time.time()) + 1
# we keep on processing the first entry until it goes into the future.
- while len(self.timer_list) and self.timer_list[0].getTime() < t:
+ while len(self.timer_list) and self.timer_list[0].getNextActivation() < t:
self.doActivate(self.timer_list[0])
git.cweiske.de / enigma2.git / commitdiff