class CombaCalendarService(threading.Thread, CombaBase):
"""
Holt Playlist-Daten und schreibt sie in die database
"""
def __init__(self, datefrom="", dateto=""):
threading.Thread.__init__ (self)
self.messenger = CombaMessenger()
self.messenger.setChannel('helpers')
self.messenger.setSection('getcalendar')
self.xmlplaylist = range(0)
self.loadConfig()
self.messenger.setMailAddresses(self.get('frommail'), self.get('adminmail'))
self.dateto = dateto
self.datefrom = str(datefrom)
self.until = ''
#------------------------------------------------------------------------------------------#
def setDateFrom(self, date):
self.datefrom = str(date).replace(" ", "T")
#------------------------------------------------------------------------------------------#
def setDateTo(self, date):
self.dateto = str(date).replace(" ", "T")
#------------------------------------------------------------------------------------------#
def setUntilTime(self, timestring):
self.until = timestring
#------------------------------------------------------------------------------------------#
def setSecondsPerTrack(self, seconds):
self.secondspertrack = int(seconds)
#------------------------------------------------------------------------------------------#
def setCalendarUrl(self, url):
self.calendarurl = url
#------------------------------------------------------------------------------------------#
def setAudioPath(self, path):
self.audiobase = path
#------------------------------------------------------------------------------------------#
def setAudioPath(self, path):
self.audiobase = path
#------------------------------------------------------------------------------------------#
def setPlaylistStore(self, path):
self.playlistdir = path
#------------------------------------------------------------------------------------------#
def getUri(self):
if not self.playlistdir:
return False
if not self.datefrom:
return False
if not self._calcDateTo():
return
hostname = self.get('servername');
port = self.get('serviceport');
date_from = self.datefrom[0:16] + ':00';
date_to = self.dateto[0:16] + ':00';
uri = 'http://' + hostname + ':' + port + '/playlist/' + date_from + '/' + date_to
return uri
#------------------------------------------------------------------------------------------#
def run(self):
"""
Kalender-Daten abholen und in Playlist schreiben
"""
filestotal = 0
if not self._calcDateTo():
return
self._setUrl()
self._fetchData()
# secondspertrack may be a string from config
self.secondspertrack = int(self.secondspertrack)
for show in self.data['shows']:
#fix nonexisting origdatetime
if not show.has_key('rerun'):
continue
if not show.has_key('end'):
continue
if not show.has_key('start'):
continue
if str(show['rerun']).lower() == 'true':
try:
show['origdate'] = show['replay_of_datetime']
except KeyError:
continue
else:
show['origdate'] = show['start']
#TODO: message
#mailnotice("Am " + datefrom[0:10] +" wurde eine Luecke im Kalender festgestellt")
event = BroadcastEvent.objects(identifier=show['identifier']).first()
if not event:
event = BroadcastEvent()
# calc duration
duration = self._calcDuration(show['start'], show['end'])
show['duration'] = datetime.timedelta(seconds=duration).__str__()
for k in event:
if show.has_key(k):
event[k] = show[k]
event.modified = datetime.datetime.now()
event.modified_by = 'calendarservice'
event.save()
broadcast_event = event.to_dbref()
trackstart = datetime.datetime.strptime(show['start'].replace(' ', 'T'), "%Y-%m-%dT%H:%M:%S")
trackrecorded = datetime.datetime.strptime(show['origdate'].replace(' ', 'T'), "%Y-%m-%dT%H:%M:%S")
# split in parts
parts = duration / self.secondspertrack
for i in range(0, parts):
filestotal += 1
# Zu dieser Zeit muss die Aufnahme beendet werden
trackDumpend = trackrecorded + datetime.timedelta(seconds=self.secondspertrack)
trackPlayend = trackstart + datetime.timedelta(seconds=self.secondspertrack)
identifier = show['identifier'] + ':' + str(i)
track = BroadcastEventTrack.objects(identifier=identifier).first()
if not track:
track = BroadcastEventTrack()
File = str(self.audiobase + '/').replace('//','/') + trackrecorded.strftime('%Y-%m-%d') + '/' + trackrecorded.strftime('%Y-%m-%d-%H-%M') + '.wav'
track.identifier = identifier
track.title = show['title']
track.ordering = i
track.broadcast_event = broadcast_event
track.location = 'file://' + File
track.length = self.secondspertrack
track.start = trackstart.strftime('%Y-%m-%d %H:%M:%S')
track.end = trackPlayend.strftime('%Y-%m-%d %H:%M:%S')
track.record_at = trackrecorded.strftime('%Y-%m-%d %H:%M:%S')
track.save()
# Events festhalten
event = {'job': 'dump', 'location': File, 'length': track.length}
self.messenger.queueAddEvent('dumpstart', track.record_at, event, 'recorder')
event = {'job': 'dump', 'location': File, 'length': track.length}
self.messenger.queueAddEvent('dumpend', trackDumpend, event, 'recorder')
trackstart = trackstart + datetime.timedelta(seconds=self.secondspertrack)
trackrecorded = trackrecorded + datetime.timedelta(seconds=self.secondspertrack)
#------------------------------------------------------------------------------------------#
def _calcDateTo(self):
if self.dateto:
return True
if not self.until:
return False
if not self.datefrom:
return False
date_start = datetime.datetime.strptime(self.datefrom.replace('T',' '), "%Y-%m-%d %H:%M")
time_start = date_start.strftime('%H:%M')
day_offset = 1 if (time_start > self.until) else 0
end_date = date_start + datetime.timedelta(day_offset)
self.dateto = end_date.strftime('%F') + 'T' + self.until
return True
#------------------------------------------------------------------------------------------#
def _calcDuration(self, start, end):
"""
Berechnet Zeit in Sekunden aus Differenz zwischen Start und Enddatum
@type start: datetime
@param start: Startzeit
@type end: datetime
@param end: Endzeit
@rtype: int
@return: Zeit in Sekunden
"""
sec1 = int(datetime.datetime.strptime(start[0:16].replace(" ","T"),"%Y-%m-%dT%H:%M").strftime("%s"));
sec2 = int(datetime.datetime.strptime(end[0:16].replace(" ","T"),"%Y-%m-%dT%H:%M").strftime("%s"));
return (sec2 - sec1);
#------------------------------------------------------------------------------------------#
def _fetchData(self):
# Now open Calendar Url
try:
response = urllib2.urlopen(self.dataURL)
except IOError, e:
self.messenger.send("Could not connect to service " + self.dataURL, '1101', 'error', 'fetchCalenderData',
self._getErrorData(), 'getcalendar')
#mailnotice("Verbindung zu Zappa konnte nicht hergestellt werden")
#TODO: so gehts nicht
sys.exit()
else:
class CombaScheduler(CombaBase):
def __init__(self, CombaClient_instance, config):
"""
Constructor
@type CombaClient_instance: object
@param CombaClient_instance: Der Client für Liquidsoap
@type config: string
@param config: Pfad zum scheduler.xml
"""
self.client = CombaClient_instance
self.loadConfig()
# Messenger für Systemzustände initieren
self.messenger = CombaMessenger()
self.messenger.setChannel('scheduler')
self.messenger.setSection('execjob')
self.messenger.setMailAddresses(self.get('frommail'), self.get('adminmail'))
self.config_path = config
self.config = object
# Die Signale, die Abbruch signalisieren
self.stopsignals = (signal.SIGTERM, signal.SIGINT)
# das pyev Loop-Object
self.loop = pyev.default_loop()
# Das ist kein Reload
self.initial = True
# Der Scheduler wartet noch auf den Start Befehl
self.ready = False
# DIe Config laden
self._loadConfig()
self.scriptdir = os.path.dirname(os.path.abspath(__file__)) + '/..'
errors_file = os.path.dirname(os.path.realpath(__file__)) + '/error/combas_error.js'
json_data = open(errors_file)
self.errorData = simplejson.load(json_data)
self.messenger.send('Scheduler started', '0000', 'success', 'initApp', None, 'appinternal')
#------------------------------------------------------------------------------------------#
def set(self, key, value):
"""
Eine property setzen
@type key: string
@param key: Der Key
@type value: mixed
@param value: Beliebiger Wert
"""
self.__dict__[key] = value
#------------------------------------------------------------------------------------------#
def reload(self):
"""
Reload Scheduler - Config neu einlesen
"""
self.stop()
# Scheduler Config neu laden
if self._loadConfig():
self.messenger.send('Scheduler reloaded by user', '0500', 'success', 'reload', None, 'appinternal')
self.start()
#------------------------------------------------------------------------------------------#
def _loadConfig(self):
"""
Scheduler-Config importieren
@rtype: boolean
@return: True/False
"""
# Wenn das Scheduling bereits läuft, muss der Scheduler nicht unbedingt angehalten werden
error_type = 'fatal' if self.initial else 'error'
watcher_jobs = self.getJobs()
try:
# Die Jobs aus der Config ...
watcher_jobs = self.getJobs()
except:
self.messenger.send('Config is broken', '0301', error_type, 'loadConfig', None, 'config')
if self.initial:
self.ready = False
return False
# Fehlermeldung senden, wenn keine Jobs gefunden worden sind
if len(watcher_jobs) == 0:
self.messenger.send('No Jobs found in Config', '0302', error_type, 'loadConfig', None, 'config')
# Der erste Watcher ist ein Signal-Watcher, der den sauberen Abbruch ermöglicht
self.watchers = [pyev.Signal(sig, self.loop, self.signal_cb)
for sig in self.stopsignals]
# Der zweite Watcher soll das Signal zum Reload der Config ermöglicen
sig_reload = self.loop.signal(signal.SIGUSR1, self.signal_reload)
self.watchers.append(sig_reload)
# Der dritte Watcher sendet alle 20 Sekunden ein Lebenszeichen
say_alive = self.loop.timer(0, 20, self.sayAlive)
self.watchers.append(say_alive)
# Der vierte Watcher schaut alle 20 Sekunden nach, ob eine Vorproduktion eingespielt werden soll
lookup_prearranged = self.loop.timer(0, 20, self.lookup_prearranged)
self.watchers.append(lookup_prearranged)
# Der fünfte Watcher führt initiale Jobs durch
on_start = self.loop.timer(0, 30, self.on_start)
self.watchers.append(on_start)
# Nun Watcher für alle Jobs aus der Config erstellen
for watcher_job in watcher_jobs:
watcher = pyev.Scheduler(self.schedule_job, self.loop, self.exec_job, watcher_job)
# Jeder watcher wird von der Scheduler Funktion schedule_job schedult und vom Callback exec_job ausgeführt
# watcher_job wird an watcher.data übergeben
# schedule_job meldet an den Loop den nächsten Zeitpunkt von watcher_job['time']
# exec_job führt die Funktion dieser Klasse aus, die von watcher_job['job'] bezeichnet wird
self.watchers.append(watcher)
# Es kann losgehen
self.ready = True
return True
def getJobs(self):
error_type = 'fatal' if self.initial else 'error'
try:
# Das scheduler.xml laden
self.config = CombaSchedulerConfig(self.config_path)
except:
# Das scheint kein gültiges XML zu sein
self.messenger.send('Config is broken', '0301', error_type, 'loadConfig', None, 'config')
# Wenn das beim Start passiert können wir nix tun
if self.initial:
self.ready = False
return False
jobs = self.config.getJobs()
for job in jobs:
if job['job'] == 'start_recording' or job['job'] == 'play_playlist':
stopjob = self._getStopJob(job)
jobs.append(stopjob)
return jobs
# -----------------------------------------------------------------------#
def _getStopJob(self, startjob):
job = {}
job['job'] = 'stop_playlist' if startjob['job'] == 'play_playlist' else 'stop_recording'
if startjob['day'] == 'all':
job['day'] = startjob['day']
else:
if startjob['time'] < startjob['until']:
job['day'] = startjob['day']
else:
try:
day = int(startjob['day'])
stopday = 0 if day > 5 else day+1
job['day'] = str(stopday)
except:
job['day'] = 'all'
job['time'] = startjob['until']
return job
#------------------------------------------------------------------------------------------#
def start(self):
"""
Event Loop starten
"""
# Alle watcher starten
for watcher in self.watchers:
watcher.start()
logging.debug("{0}: started".format(self))
try:
self.loop.start()
except:
self.messenger.send("Loop did'nt start", '0302', 'fatal', 'appstart', None, 'appinternal')
else:
self.messenger.send("Scheduler started", '0100', 'success', 'appstart', None, 'appinternal')
#------------------------------------------------------------------------------------------#
def stop(self):
"""
Event Loop stoppen
"""
self.loop.stop(pyev.EVBREAK_ALL)
# alle watchers stoppen und entfernen
while self.watchers:
self.watchers.pop().stop()
self.messenger.send("Loop stopped", '0400', 'success', 'appstart', None, 'appinternal')
#------------------------------------------------------------------------------------------#
def sayAlive(self, watcher, revents):
"""
Alle 20 Sekunden ein Lebenssignal senden
@type watcher: object
@param watcher: Das watcher Objekt
@type revents: object
@param revents: Event Callbacks
"""
self.messenger.sayAlive()
#------------------------------------------------------------------------------------------#
def signal_cb(self, loop, revents):
"""
Signalverarbeitung bei Abbruch
@type loop: object
@param loop: Das py_ev loop Objekt
@type revents: object
@param revents: Event Callbacks
"""
self.messenger.send("Received stop signal", '1100', 'success', 'appstop', None, 'appinternal')
self.stop()
#------------------------------------------------------------------------------------------#
def signal_reload(self, loop, revents):
"""
Lädt Scheduling-Konfiguration neu bei Signal SIGUSR1
@type loop: object
@param loop: Das py_ev loop Objekt
@type revents: object
@param revents: Event Callbacks
"""
self.messenger.send("Comba Scheduler gracefull restarted", '1200', 'success', 'appreload', None, 'appinternal')
self.reload()
#------------------------------------------------------------------------------------------#
def schedule_job(self, watcher, now):
"""
Callback zum Scheduling eines Jobs
@type watcher: object
@param watcher: Das watcher Objekt
@type now: float
@param now: Aktuelle Zeit in Sekunden
@rtype: float
@return: Die Zeit zu der der Job ausgeführt werden soll in Sekunden
"""
# nächstes Ereignis dieses Watchers aus den watcher data
data = watcher.data.copy()
next_schedule = data['time']
# Minuten und Stunden
(next_hour, next_minute) = next_schedule.split(':')
# Zum Vergleich die aktuelle und die auszuführende Unhrzeit in Integer wandeln
today_time = int(datetime.datetime.now().strftime('%H%M'))
next_time = int(next_hour + next_minute)
# Wenn der Job erst morgen ausgeführt werden soll ist day_offset 1
day_offset = 1 if (today_time >= next_time) else 0
# Ist ein Tag angegeben
if data.has_key('day'):
try:
#Montag ist 0
dayofweek = int(data['day'])
delta = relativedelta(hour=int(next_hour), minute=int(next_minute), second=0, microsecond=0,
weekday=dayofweek)
except:
#Fallback - day ist vermutlich ein String
delta = relativedelta(hour=int(next_hour), minute=int(next_minute), second=0, microsecond=0)
else:
delta = relativedelta(hour=int(next_hour), minute=int(next_minute), second=0, microsecond=0)
# Ermittle das Datumsobjekt
schedule_result = datetime.datetime.now() + timedelta(day_offset) + delta
# In Sekunden umrechnen
result = time.mktime(schedule_result.timetuple())
schedule_time_human = datetime.datetime.fromtimestamp(int(result)).strftime('%Y-%m-%d %H:%M:%S')
time_now = datetime.datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d %H:%M:%S')
date_human = datetime.datetime.fromtimestamp(int(result)).strftime('%Y-%m-%d')
time_human = datetime.datetime.fromtimestamp(int(result)).strftime('%H:%M')
# Events feuern, zum stoppen und starten einer Playlist
# TODO: Diese events müssen bei einem Reset gelöscht werden
# Es sollte sicher sein, einfach alle keys mit playerevent_*_playliststart unc playerevent_*_playliststop zu löschen
if data.has_key('job'):
if data['job'] == 'play_playlist':
event = {'job': 'play_playlist', 'date': date_human, 'time': time_human}
self.messenger.queueAddEvent('playliststart', str(schedule_time_human).replace(' ', 'T'), event,
'player')
if data['job'] == 'stop_playlist':
event = {'job': 'stop_playlist', 'date': date_human, 'time': time_human}
self.messenger.queueAddEvent('playliststop', str(schedule_time_human).replace(' ', 'T'), event,
'player')
data['scheduled_at'] = time_now
data['scheduled_for'] = schedule_time_human
self.info('schedule_job', data, '00', simplejson.dumps(data), 'schedulejob')
# das nächste mal starten wir diesen Job in result Sekunden
return result
#------------------------------------------------------------------------------------------#
def exec_job(self, watcher, revents):
"""
Callback, um einen Job auszuführen
@type watcher: object
@param watcher: Das watcher Objekt
@type revents: object
@param revents: Event Callbacks
"""
data = watcher.data.copy()
# Welcher Job ausgeführt werden soll wird in watcher.data vermerkt
job = data['job']
# Job ausführen
try:
exec "a=self." + job + "(data)"
except Exception, e:
data['exec'] = 'exec"a=self.' + job + '(' + simplejson.dumps(data) + ')"'
data['Exception'] = str(e)
self.fatal('exec_job', data, '01', simplejson.dumps(data))
watcher.stop() #stop the watcher
else:
class CombaController(object):
# Constructor
def __init__(self, sender, lqs_socket, lqs_recsocket):
"""
Constructor
@type sender: object
@param sender: Der Communicator Adapter - z-B. zmq
@type lqs_socket: string
@param lqs_socket: Liquidsoap Player Socket
@type lqs_recsocket: string
@param lqs_recsocket: Liquidsoap Recorder Socket
"""
# Der Liquidsoap Client
self.lqc = LiquidsoapClient(lqs_socket)
self.lqcr = LiquidsoapClient(lqs_recsocket)
# Felder die Liquidsoap fuer einen Track (rid) zurueckliefert
self.knownfields = ["status", "album","time","title","artist","comment","filename","on_air","source","rid", "genre"]
self.lq_error = ''
self.sender = sender
self.is_intern = False
self.messenger = CombaMessenger()
self.messenger.setChannel('controller')
self.messenger.setSection('execjob')
self.userdb = CombaUser()
self.job_result = ['', '', '', '','', '']
errors_file = os.path.dirname(os.path.realpath(__file__)) + '/error/combac_error.js'
json_data = open(errors_file)
self.errorData = simplejson.load(json_data)
#------------------------------------------------------------------------------------------#
def message(self, message, log=False, warning=False):
"""
Daten an einen Client senden oder bei einer internen Aktion loggen
@type message: string
@param message: String, der gesendet wird
@type log: boolean
@param log: Wenn falsch, wird die message an den Client gesendet
@type warning: boolean
@param warning: Wenn falsch, ist der logging typ info, andernfalls warning
@rtype: string/None
@return: Die Message, falls log false ist
"""
if not self.is_intern:
self.sender.send(message)
else:
return message
if log:
if warning:
logging.warning(message)
else:
logging.info(message)
#------------------------------------------------------------------------------------------#
def allData(self):
"""
Gibt Metadaten aller Kanäle als JSON-String an den Client zurück
@rtype: string/None
@return: Die Antwort des Liquidsoap-Servers
"""
channels = self.sendLqcCommand(self.lqc, 'listChannels')
if not isinstance(channels, list):
self.warning('01')
self.notifyClient()
return
data = {}
pdata = {}
try:
self.is_intern = True
playlist_data = simplejson.loads(self.playlist_data(True))
self.is_intern = False
except:
self.warning('01')
self.notifyClient()
return
# Status des Playlistkanals abfragen
status = self.sendLqcCommand(self.lqc, 'status', 'mixer', '0')
states = status.split(' ')
state_data = {}
# Die Stati in python dicts einlesen
for state in states:
item = state.split('=')
try:
state_data[item[0]] = item[1]
except:
self.warning('01')
self.notifyClient()
return
remaining = self.sendLqcCommand(self.lqc, 'playlist_remaining')
state_data['remaining'] = remaining
# Die Metadaten der Playlist
pdata['state'] = state_data
pdata['tracks'] = playlist_data
data['playlist'] = pdata
# Servermeldungen abschalten
self.is_intern = True
# die channel queues einlesen
for channel in channels:
data[channel] = self.channel_queue(channel, True)
# Servermeldungen einschalten
self.is_intern = False
self.success('00', data)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def ping(self):
"""
dem Client antworten
"""
return self.message('OK')
#------------------------------------------------------------------------------------------#
def channel_insert(self, channel, uri, pos):
"""
Track in einen Channel einfuegen
@type channel: string
@param channel: Kanal
@type uri: string
@param uri: Uri - z.B. file:///my/audio/mp3
@type pos: int
@param pos: Die Position an der eingefügt werden soll
@rtype: string/None
@return: Die Antwort des Liquidsoap-Servers
"""
message = self.sendLqcCommand(self.lqc, 'insert', uri, pos, channel)
message = message.strip()
try:
if int(message) > -1:
self.success()
return self.message(message)
except:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_move(self, channel, fromPos, toPos):
"""
Channel-Eintrag von Position fromPos nach Position toPos verschieben
@type channel: string
@param channel: Kanal
@type fromPos: int
@param fromPos: die Position des Eintrags, der verschoben wird
@type toPos: int
@param toPos: Zielposition
@rtype: string
@return: Die Antwort des Liquidsoap-Servers
"""
message = self.sendLqcCommand(self.lqc, 'get_queue', channel,'secondary_queue')
rids = message.strip().split(' ')
try:
rid = rids[int(fromPos)-1]
except:
self.warning('01')
self.notifyClient()
return
try:
target = rids[int(toPos)-1]
except:
self.warning('01')
self.notifyClient()
return
if rids[int(fromPos)-1] == rids[int(toPos)-1]:
self.warning('02')
self.notifyClient()
return
message = self.sendLqcCommand(self.lqc, 'move', rid, str(int(toPos)-1), channel)
message = message.strip()
if message.strip().find('OK') > -1:
self.success()
self.notifyClient()
return
else:
self.warning('03')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_off(self, channel):
"""
Channel deaktivieren
@type channel: string
@param channel: Kanal
@rtype: string
@return: Die Antwort des Liquidsoap-Servers
"""
# internal channel name for playlist is 'common'
if channel == 'playlist':
channel = 'common'
channels = self.sendLqcCommand(self.lqc, 'listChannels', False)
index = channels.index(channel)
message = self.sendLqcCommand(self.lqc, 'deactivate', str(index))
if message.find('selected=false'):
self.success()
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_on(self, channel):
"""
Channel aktivieren
@type channel: string
@param channel: Kanal
@rtype: string
@return: Die Antwort des Liquidsoap-Servers
"""
# Find channels
if channel == 'playlist':
channel = 'common'
channels = self.sendLqcCommand(self.lqc, 'listChannels', False)
index = channels.index(channel)
#a activate channel
message = self.sendLqcCommand(self.lqc, 'activate', str(index))
if message.find('selected=true'):
self.success()
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_queue(self, channel, raw=False):
"""
Channel Queue abrufen
@type channel: string
@param channel: Kanal
@type raw: boolean
@param raw: Wenn true, Rückgabe als Python dict Object, andernfalls als JSON-String
@rtype: string/dict
@return: Der Channel Queue
"""
data = {}
# queue will return request id's (rids)
message = self.sendLqcCommand(self.lqc, 'get_queue', channel)
rids = message.strip().split(' ')
data['tracks'] = []
for rid in rids:
if rid != '':
# get each rids metadata
metadata = self.sendLqcCommand(self.lqc, 'getMetadata', rid)
track = self._metadata_format(metadata)
if not track.has_key('title'):
if track.has_key('location'):
track['title'] = os.path.basename(track['location'])
elif track.has_key('filename'):
track['title'] = os.path.basename(track['filename'])
else:
track['title'] = 'unknown'
data['tracks'].extend([track])
channels = self.sendLqcCommand(self.lqc, 'listChannels')
"""
now get channels state
self.lqc.status: ready=false volume=100% single=false selected=false remaining=0.00
"""
try:
index = channels.index(channel)
status = self.sendLqcCommand(self.lqc, 'status', 'mixer', str(index + 1))
states = status.split(' ')
state_data = {}
for state in states:
item = state.split('=')
if len(item) > 1:
state_data[item[0]] = item[1]
except:
state_data = {}
self.error('01')
self.notifyClient()
return
data['state'] = state_data
if raw:
# return the list internal
data['state'] = state_data
return data
else:
self.success('00', data)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_remove(self, channel, pos):
"""
Channel-Eintrag löschen
@type channel: string
@param channel: Kanal
@type pos: int
@param pos: Position des Eintrags
"""
# Es kann nur vom Secondary Queue gelöscht werden
# Falls der Track im Primary Queue gelöscht werden soll, ist ein skip nötg
message = self.sendLqcCommand(self.lqc, 'get_queue', channel, 'secondary_queue')
rids = message.strip().split(' ')
try:
rid = rids[int(pos)-1]
except:
self.warning('02')
self.notifyClient()
return
message = self.sendLqcCommand(self.lqc, 'remove', rid, channel)
if message.find('OK') > -1:
self.success()
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_seek(self, channel, duration):
"""
Im aktuell spielenden Track auf dem Kanal <channel> <duration> Sekunden "vorspulen"
@type channel: string
@param channel: Kanal
@type duration: int
@param duration: Dauer in Sekunden
"""
# Liquidsoap Kommando
data = self.sendLqcCommand(self.lqc, 'seek', duration, channel)
# Resultate prüfen
if self._check_result(data):
self.success('00', self.lq_error['value'])
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_skip(self, channel):
"""
Kanal skippen
@type channel: string
@param channel: Kanal
"""
# Liquidsoap Kommando
channels = self.sendLqcCommand(self.lqc, 'listChannels')
foundChannel = ''
if not isinstance(channels, list):
self.error('02')
else:
for index, item in enumerate(channels):
if item == channel:
foundChannel = self.sendLqcCommand(self.lqc, 'skip', 'mixer', str(index + 1))
break
if foundChannel.strip().find('OK') > -1:
self.success()
elif len(channels) < 1:
self.warning('01')
else:
self.error('03')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def channel_volume(self, channel, volume):
"""
Lautstärke auf Kanal <channel> setzen
@type channel: string
@param channel: Kanal
@type volume: int
@param volume: Lautstärke von 1-100
"""
if channel == 'playlist':
channel = 'common'
# Liquidsoap Kommando
channels = self.sendLqcCommand(self.lqc, 'listChannels', False)
try:
index = channels.index(channel)
if len(channel) < 1:
self.warning('02')
except:
self.error('03')
else:
message = self.sendLqcCommand(self.lqc, 'volume', str(index), str(int(volume)))
if message.find('volume=' + str(volume) + '%'):
self.success('01', str(volume))
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def currentData(self):
"""
Metadaten des gespielten Tracks im JSON-Format
Beispiel: {"title": "Deserted Cities of the Heart", "filename": "/home/michel/Nas-audio/cream/the_very_best_of/17_Deserted_Cities_of_the_Heart.mp3", "source": "ch2", "on_air": "2014/07/23 23:46:37", "rid": "2"}
"""
# Liquidsoap Kommando
message = self.sendLqcCommand(self.lqc, 'currentTrack')
rid = message.strip()
metadata = self.sendLqcCommand(self.lqc, 'getMetadata', rid)
data = self._metadata_format(metadata)
if data:
self.success('00', simplejson.dumps(data))
elif rid == '':
self.warning('01')
else:
self.warning('02', rid)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def get_channel_state(self, channel):
if channel == 'playlist':
channel = 'common'
channels = self.sendLqcCommand(self.lqc, 'listChannels', False)
index = channels.index(channel)
state_data = {}
try:
index = channels.index(channel)
status = self.sendLqcCommand(self.lqc, 'status', 'mixer', str(index + 1))
states = status.split(' ')
for state in states:
item = state.split('=')
if len(item) > 1:
state_data[item[0]] = item[1]
except:
state_data = {}
self.error('01')
self.notifyClient()
return
self.success('00', simplejson.dumps(state_data))
self.notifyClient()
#------------------------------------------------------------------------------------------#
def help(self):
"""
Gibt die Hilfe aus
"""
errNum = '11'
try:
file = open(os.path.dirname(os.path.abspath(__file__)) + '/doc/comba.hlp', 'r')
doc = file.read()
return self.message(doc)
except:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def listChannels(self):
"""
Channels auflisten (Simple JSON)
"""
# Liquidsoap Kommando
channels = self.sendLqcCommand(self.lqc, 'listChannels')
if not isinstance(channels, list):
self.error('02')
elif len(channels) < 1:
self.warning('01')
else:
self.success('00', channels)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_data(self, raw=False):
"""
Aktuelle Playlist Daten im JSON-Format
"""
# Liquidsoap Kommando
data = self.sendLqcCommand(self.lqc, 'playlistData')
if not raw:
self.success('00', simplejson.loads(data))
self.notifyClient()
else:
return data
#------------------------------------------------------------------------------------------#
def playlist_flush(self):
"""
Aktuelle Playlist leeren
"""
data = self.sendLqcCommand(self.lqc, 'flush')
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_insert(self, uri, pos):
"""
Track in die Playlist einfuegen
"""
data = self.sendLqcCommand(self.lqc, 'insert', uri, pos)
if not self._check_result(data):
self.warning('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_load(self, uri):
"""
Playlist laden
@type uri: string
@param uri: Uri der Playlist
"""
try:
xml = urllib2.urlopen(uri).read().decode('utf8')
except:
try:
xml = open(uri).read().decode('utf8')
except:
self.error('01', self.lq_error['message'])
self.notifyClient()
return
(num, filename) = tempfile.mkstemp(suffix=".xspf")
with codecs.open(filename, "w",encoding='utf8') as text_file:
text_file.write(xml)
playlist = parsexml(xml)
if not isinstance(playlist, dict):
self.error('02')
self.notifyClient()
else:
self.sendLqcCommand(self.lqc, 'flush')
data = self.sendLqcCommand(self.lqc, 'loadPlaylist', filename)
if not self._check_result(data):
self.error('01', self.lq_error['message'])
else:
os.remove(filename)
self._updateEventQueue(playlist)
event = {'job':'loadplaylist', 'uri': uri}
self.messenger.fireEvent('loadplaylist', event, 'player')
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_move(self, fromPos, toPos):
"""
Playlist-Eintrag von Position fromPos nach Position toPos verschieben
@type fromPos: int
@param fromPos: die Position des Eintrags, der verschoben wird
@type toPos: int
@param toPos: Zielposition
"""
data = self.sendLqcCommand(self.lqc, 'move', str(int(fromPos)+1), str(int(toPos)+1))
if not self._check_result(data):
self.warning('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_pause(self):
"""
Playlist pausieren
"""
data = self.sendLqcCommand(self.lqc, 'pause')
if not self._check_result(data):
self.info('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_stop(self):
"""
Playlist stoppen - der Kanal wird deaktiviert
"""
# Kanal 0 (Playlist) deaktivieren
self.sendLqcCommand(self.lqc, 'deactivate', '0')
data = self.sendLqcCommand(self.lqc, 'pause')
if not self._check_result(data):
self.info('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_play(self, when='now'):
"""
Playlist starten
@type when: string
@param when: Wenn "now" werden alle anderen Kanäle deaktiviert und geskipped
"""
# Playlist Kanal aktivieren
self.sendLqcCommand(self.lqc, 'activate', '0')
if when == 'now':
# immediately skip all playing channels
# and activate the playlist channel
channels = self.sendLqcCommand(self.lqc, 'listChannels')
if not isinstance(channels, list):
self.error('03')
elif len(channels) < 1:
self.warning('02')
else:
for i in xrange(len(channels)):
status = self.sendLqcCommand(self.lqc, 'status', 'mixer', str(i + 1))
if "selected=true" in status:
status = self.sendLqcCommand(self.lqc, 'deactivate', str(i + 1))
status = self.sendLqcCommand(self.lqc, 'skip', 'mixer', str(i + 1))
self.sendLqcCommand(self.lqc, 'activate', '0')
# send the play command
data = self.sendLqcCommand(self.lqc, 'play')
if not self._check_result(data):
self.info('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_push(self, uri):
"""
Eine Uri in die Playlist einfügen
@type uri: str
@param uri: Die Uri
"""
data = self.sendLqcCommand(self.lqc, 'push', uri)
if not self._check_result(data):
self.info('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_remove(self, pos):
"""
Playlist-Eintrag löschen
@type pos: int
@param pos: Position des Eintrags
"""
data = self.sendLqcCommand(self.lqc, 'remove', pos)
if not self._check_result(data):
self.info('01')
else:
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_seek(self, duration):
"""
Im aktuell spielenden Track auf dem der Playlist "vorspulen"
@type duration: int
@param duration: Dauer in Sekunden
"""
data = self.sendLqcCommand(self.lqc, 'seek', duration)
# Resultate prüfen
if self._check_result(data):
self.success('00', self.lq_error['value'])
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def playlist_skip(self):
"""
Playlist skippen
"""
data = self.sendLqcCommand(self.lqc, 'skip')
self.success('00')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def recorder_start(self):
"""
Recorder starten
@rtype: string
@return: Die Antwort des Liquidsoap-Servers
"""
message = self.sendLqcCommand(self.lqcr, 'start_record')
if message.strip() == 'OK':
self.success('00')
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def recorder_stop(self):
"""
Recorder stoppen
"""
message = self.sendLqcCommand(self.lqcr, 'stop_record')
if message.strip() == 'OK':
self.success('00')
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def recorder_stop(self):
"""
Recorder stoppen
"""
message = self.sendLqcCommand(self.lqcr, 'stop_record')
if message.strip() == 'OK':
self.success('00')
else:
self.warning('01')
self.notifyClient()
#------------------------------------------------------------------------------------------#
def recorder_data(self):
"""
Status-Daten des Recorders
Rückgabe-Beispiel: /var/audio/rec/2014-05-13/2014-05-13-22-00.wav,30 - Aufnahme von 30% der angegebenen Audiodatei
"""
message = self.sendLqcCommand(self.lqcr, 'recorder_data')
l = message.split(',')
data = {}
if not isinstance(l, list):
data = {'file':'', 'recorded': ''}
self.warning('01')
else:
data['file'] = l[0]
if len(l) > 1:
data['recorded'] = l[1]
else:
data['recorded'] = ''
self.success('00', data)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def scheduler_reload(self):
"""
Veranlasst den Scheduler zum Reload
"""
process = "combas.py"
pids = psutil.get_pid_list()
foundProcess = False
for pid in pids:
cmd = psutil.Process(pid).cmdline
if len(cmd) > 1:
processName = cmd[1]
else:
processName = psutil.Process(pid).name
if processName.find(process) > 0:
os.kill(pid,signal.SIGUSR1)
foundProcess = True
break
if not foundProcess:
return False
else:
return True
#------------------------------------------------------------------------------------------#
def scheduler_data(self):
"""
Scheduler Config ausliefern
"""
jobs = []
try:
# Das scheduler.xml laden
schedulerconfig = CombaSchedulerConfig(self.sender.schedule_config)
jobs = schedulerconfig.getJobs()
except:
# Das scheint kein gültiges XML zu sein
self.warning('01', False)
self.success('00', simplejson.dumps(jobs))
self.notifyClient()
#------------------------------------------------------------------------------------------#
def scheduler_store(self, adminuser, adminpassword, json):
"""
Scheduler Config zurückschreiben
"""
if not self.userdb.hasAdminRights(adminuser, adminpassword):
self.warning('01', False)
self.notifyClient()
return
try:
schedulerconfig = CombaSchedulerConfig(self.sender.schedule_config)
except:
self.warning('02', False)
self.notifyClient()
try:
schedulerconfig.storeJsonToXml( base64.b64decode(json))
except:
self.warning('02', False)
self.notifyClient()
else:
if self.scheduler_reload():
self.success('00', True)
else:
self.warning('02', False)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def setPassword(self, adminuser, adminpassword, username, password):
"""
Ein Userpasswort setzen
TODO: Passwörter verschlüsselt übertragen
"""
if self.userdb.hasAdminRights(adminuser, adminpassword):
self.userdb.setPassword(username, password)
self.success('00', password)
else:
self.warning('01', False)
self.notifyClient()
self.sender.reload()
#------------------------------------------------------------------------------------------#
def addUser(self, adminuser, adminpassword, username):
"""
Einen User hinzufügen
TODO: Passwort verschlüsselt übertragen
"""
if self.userdb.hasAdminRights(adminuser, adminpassword):
password = ''.join(random.sample(string.lowercase+string.uppercase+string.digits,14))
self.userdb.insertUser(username, password, 'user')
self.success('00', password)
# TODO admin rechte checken user und passwort setzen, passwort zurückgeben
else:
self.warning('01', False)
self.notifyClient()
self.sender.reload()
#------------------------------------------------------------------------------------------#
def delUser(self, adminuser, adminpassword, username):
"""
Einen User löschen
TODO: Passwort verschlüsselt übertragen
"""
# TODO admin rechte checken user löschen
if self.userdb.hasAdminRights(adminuser, adminpassword):
self.userdb.delete(username)
self.success('00', True)
else:
self.warning('01', False)
self.notifyClient()
self.sender.reload()
#------------------------------------------------------------------------------------------#
def getUserlist(self, adminuser, adminpassword):
"""
Einen User löschen
TODO: Passwort verschlüsselt übertragen
"""
# TODO admin rechte checken user löschen
if self.userdb.hasAdminRights(adminuser, adminpassword):
userlist = self.userdb.getUserlist()
self.success('00', simplejson.dumps(userlist))
else:
self.warning('01', False)
self.notifyClient()
#------------------------------------------------------------------------------------------#
def _metadata_format(self, metadata):
"""
Private: Vereinheitlicht die Metadaten von Playlist und anderen Kanälen und entfernt Anführungszeichen in den Feldern
@rtype: boolean/dict
@return: False/Metadaten
"""
mdata = {}
try:
for key,val in metadata.items('root'):
if key in self.knownfields:
mdata[key] = val.strip().replace('"', '')
return mdata
except:
return False
#------------------------------------------------------------------------------------------#
def _getError(self, errornumber):
"""
Privat: Ermittelt Fehlermeldung, Job-Name (Klassenmethode) und Fehlercode für den Job aus error/combac_error.js
@type errornumber: string
@param errornumber: Die interne Fehlernummer der aufrufenden Methode
"""
f = sys._getframe(2)
job = f.f_code.co_name
data = {'message':'', 'job':job, 'code':'unknown'}
if self.errorData.has_key(job):
errMsg = self.errorData[job][errornumber]
errID = self.errorData[job]['id'] + str(errornumber)
args = {x:f.f_locals[x] if not x == 'self' else '' for x in f.f_code.co_varnames[:f.f_code.co_argcount]}
for key in args.keys():
errMsg = errMsg.replace('::' + key + '::', str(args[key]))
data['message'] = errMsg
data['job'] = job
data['code'] = errID
return data
#------------------------------------------------------------------------------------------#
def success(self, errnum='00', value='', section='main'):
"""
Erfolgsmeldung loggen
@type errnum: string
@param errnum: Errornummer der aufrufenden Funktion
@type value: string
@param value: Optionaler Wert
@type section: string
@param section: Gültigkeitsbereich
"""
error = self._getError(errnum)
self.job_result = {'message':error['message'], 'code':error['code'], 'success':'success', 'job':error['job'], 'value':value, 'section':section}
self.messenger.send(error['message'], error['code'], 'success', error['job'], value, section)
#------------------------------------------------------------------------------------------#
def info(self, errnum='01', value='', section='main'):
"""
Info loggen
@type errnum: string
@param errnum: Errornummer der aufrufenden Funktion
@type value: string
@param value: Optionaler Wert
@type section: string
@param section: Gültigkeitsbereich
"""
error = self._getError(errnum)
self.job_result = {'message':error['message'], 'code':error['code'], 'success':'info', 'job':error['job'], 'value':value, 'section':section}
self.messenger.send(error['message'], error['code'], 'info', error['job'], value, section)
#------------------------------------------------------------------------------------------#
def warning(self, errnum='01', value='', section='main'):
"""
Warnung loggen
@type errnum: string
@param errnum: Errornummer der aufrufenden Funktion
@type value: string
@param value: Optionaler Wert
@type section: string
@param section: Gültigkeitsbereich
"""
error = self._getError(errnum)
self.job_result = {'message':error['message'], 'code':error['code'], 'success':'warning', 'job':error['job'], 'value':value, 'section':section}
self.messenger.send(error['message'], error['code'], 'warning', error['job'], value, section)
#------------------------------------------------------------------------------------------#
def error(self, errnum='01', value='', section='main'):
"""
Error loggen
@type errnum: string
@param errnum: Errornummer der aufrufenden Funktion
@type value: string
@param value: Optionaler Wert
@type section: string
@param section: Gültigkeitsbereich
"""
error = self._getError(errnum)
self.job_result = {'message':error['message'], 'code':error['code'], 'success':'error', 'job':error['job'], 'value':value, 'section':section}
self.messenger.send(error['message'], error['code'], 'error', error['job'], value, section)
#------------------------------------------------------------------------------------------#
def fatal(self, errnum='01', value='', section='main'):
"""
Fatal error loggen
@type errnum: string
@param errnum: Errornummer der aufrufenden Funktion
@type value: string
@param value: Optionaler Wert
@type section: string
@param section: Gültigkeitsbereich
"""
error = self._getError(errnum)
self.job_result = {'message':error['message'], 'code':error['code'], 'success':'fatal', 'job':error['job'], 'value':value, 'section':section}
self.messenger.send(error['message'], error['code'], 'fatal', error['job'], value, section)
#------------------------------------------------------------------------------------------#
def notifyClient(self):
"""
Eine Nachricht als JSON-String an den Client senden
"""
if not self.is_intern:
self.message(simplejson.dumps(self.job_result))
#------------------------------------------------------------------------------------------#
def sendLqcCommand(self, lqs_instance, command, *args):
"""
Ein Kommando an Liquidsoap senden
@type lqs_instance: object
@param lqs_instance: Instanz eines Liquidsoap-Servers - recorder oder player
@type command: string
@param command: Ein Funktionsname aus der Liquidsoap-Klasse
@type args: list
@param args: Parameterliste
@rtype: string
@return: Antwort der Liquidsoap-Instanz
"""
try:
# Verbindung herstellen
lqs_instance.connect()
except:
# Verbindung gescheitert - Fehler an Client
if command.find('record') > -1:
self.fatal('02')
else:
self.fatal('01')
self.notifyClient()
# Instanz/Thread zerstören - aufrufende Funktion wird nicht weiter abgearbeitet
del self
else:
# Funktion des Liquidsoap Servers zusammenbasteln
func = getattr(lqs_instance, command)
result = func(*args)
return result
#------------------------------------------------------------------------------------------#
def _check_result(self, result):
"""
Fehlerbehandlung
@type result: string
@param result: Ein Json-String
"""
self.lq_error = simplejson.loads(result)
try:
if self.lq_error['success'] == 'true':
return True
else:
return False
except:
return False
#------------------------------------------------------------------------------------------#
def _updateEventQueue(self, playlist):
"""
Playlist Eventqueue updaten
@type playlist: dict
@param playlist: Playlist
"""
# eventuell noch bestehende Events im Queue löschen
self.messenger.queueRemoveEvents('playtrack', 'player')
# Für jeden Tack einen Event ankündigen
for track in playlist['playlist']['trackList']['track']:
if track.has_key('time') and track.has_key('start'):
starts = str(track['start'] + 'T' + track['time'])
event = {'job':'play', 'location': track['location'],'length': track['length'], 'date': track['start'], 'time': track['time']}
self.messenger.queueAddEvent('playtrack', starts, event, 'player')