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import gobject
from dbus import Interface
from dbus.service import method, signal
from dbus.gobject_service import ExportedGObject
import os
from constants import Constants
from instance import Instance
import record
class RecordTube(ExportedGObject):
__gsignals__ = {
'recd-bits-arrived':
(gobject.SIGNAL_RUN_FIRST, None, [object,object,object,object,object]),
'recd-request':
(gobject.SIGNAL_RUN_FIRST, None, [object,object]),
'new-recd':
(gobject.SIGNAL_RUN_FIRST, None, [object,object]),
'recd-unavailable':
(gobject.SIGNAL_RUN_FIRST, None, [object,object])
}
def __init__(self, tube):
super(RecordTube, self).__init__(tube, Constants.PATH)
self.tube = tube
self.idNotify = self.tube.add_signal_receiver(self._newRecdTubeCb, 'notifyBudsOfNewRecd', Constants.IFACE, path=Constants.PATH, sender_keyword='sender')
self.idRequest = self.tube.add_signal_receiver(self._reqRecdTubeCb, 'requestRecdBits', Constants.IFACE, path=Constants.PATH, sender_keyword='sender')
self.idBroadcast = self.tube.add_signal_receiver(self._getRecdTubeCb, 'broadcastRecdBits', Constants.IFACE, path=Constants.PATH, sender_keyword='sender', byte_arrays=True)
self.idUnavailable = self.tube.add_signal_receiver(self._unavailableRecdTubeCb, 'unavailableRecd', Constants.IFACE, path=Constants.PATH, sender_keyword='sender')
@signal(dbus_interface=Constants.IFACE, signature='ss') #dual s for 2x strings
def notifyBudsOfNewRecd(self, recorder, recdXml):
record.Record.log.debug('Ive taken a new pho-ideo-audio! I hereby send you an xml thumb of said media via this interface.')
def _newRecdTubeCb(self, recorder, recdXml, sender=None):
record.Record.log.debug("_newRecdTubeCb from " + recorder )
if sender == self.tube.get_unique_name():
record.Record.log.debug("_newRecdTubeCb: sender is my bus name, so ignore my own signal")
return
elif (recorder == Instance.keyHashPrintable):
record.Record.log.debug('_newRecdTubeCb: excuse me? you are asking me to share a photo with myself?')
return
self.emit( "new-recd", str(recorder), str(recdXml) )
@signal(dbus_interface=Constants.IFACE, signature='sss') #triple s for 3x strings
def requestRecdBits(self, whoWantsIt, whoTheyWantItFrom, recdMd5sumOfIt ):
record.Record.log.debug('I am requesting a high-res version of someones media.')
def _reqRecdTubeCb(self, whoWantsIt, whoTheyWantItFrom, recdMd5sumOfIt, sender=None):
if sender == self.tube.get_unique_name():
record.Record.log.debug("_reqRecdTubeCb: sender is my bus name, so ignore my own signal")
return
elif (whoWantsIt == Instance.keyHashPrintable):
record.Record.log.debug('_reqRecdTubeCb: excuse me? you are asking me to share a photo with myself?')
return
elif (whoTheyWantItFrom != Instance.keyHashPrintable):
record.Record.log.debug('_reqRecdTubeCb: ive overhead someone wants a photo, but not from me')
return
self.emit( "recd-request", str(whoWantsIt), str(recdMd5sumOfIt) )
def broadcastRecd(self, md5, filepath, sendThisTo ):
size = os.path.getsize(filepath)
f = open(filepath)
chunk_size = 1000
chunks = size / chunk_size
if (size%chunk_size != 0):
chunks += 1
for chunk in range(chunks):
bytes = f.read(chunk_size)
if (chunk == 0):
record.Record.log.debug("sending " + str(chunk+1) + " of " + str(chunks) + " to " + sendThisTo )
if (chunk == chunks-1):
record.Record.log.debug("sending " + str(chunk+1) + " of " + str(chunks) + " to " + sendThisTo )
self.broadcastRecdBits(md5, chunk+1, chunks, bytes, sendThisTo, Instance.keyHashPrintable)
f.close()
return True
@signal(dbus_interface=Constants.IFACE, signature='suuayss')
def broadcastRecdBits(self, md5, part, numparts, bytes, sendTo, fromWho ):
pass
def _getRecdTubeCb(self, md5, part, numparts, bytes, sentTo, fromWho, sender=None):
if sender == self.tube.get_unique_name():
#record.Record.log.debug("_reqRecdTubeCb: sender is my bus name, so ignore my own signal")
return
if (fromWho == Instance.keyHashPrintable):
#record.Record.log.debug('_getRecdTubeCb: i dont want bits from meself, thx anyway. schizophrenic?')
return
if (sentTo != Instance.keyHashPrintable):
#record.Record.log.debug('_getRecdTubeCb: ive overhead someone sending bits, but not to me!')
return
self.emit( "recd-bits-arrived", md5, part, numparts, bytes, fromWho )
@signal(dbus_interface=Constants.IFACE, signature='sss') #triple s for 3x strings
def unavailableRecd(self, md5sumOfIt, whoDoesntHaveIt, whoAskedForIt):
record.Record.log.debug('unavailableRecd: id love to share this photo, but i am without a copy meself chum')
def _unavailableRecdTubeCb( self, md5sumOfIt, whoDoesntHaveIt, whoAskedForIt, sender=None):
if sender == self.tube.get_unique_name():
record.Record.log.debug("_unavailableRecdTubeCb: sender is my bus name, so ignore my own signal")
return
if (whoDoesntHaveIt == Instance.keyHashPrintable):
record.Record.log.debug('_unavailableRecdTubeCb: yes, i know i dont have it, i just told you/me/us.')
return
if (whoAskedForIt != Instance.keyHashPrintable):
record.Record.log.debug('_unavailableRecdTubeCb: ive overheard someone doesnt have a photo, but i didnt ask for that one anyways')
return
self.emit("recd-unavailable", md5sumOfIt, whoDoesntHaveIt)
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