def listen():
TYPE = "_piper._tcp"
def store(devic):
global device
device=devic
#print device
def service_resolved(*args):
global device
print 'service resolved'
print 'name:', args[2]
#print IP, PORT
print 'address:', args[7]
print 'port:', args[8]
device['IP'].append(str(args[7]))
device['PORT'].append(int(args[8]))
store(device)
if ":" in device['IP'][-1] :
del device['IP'][-1]
del device['PORT'][-1]
if len(device['IP'])==1:
loop.quit()
def print_error(*args):
global device
print 'error_handler'
print args[0]
def myhandler(interface, protocol, name, stype, domain, flags):
global device
print "Found service '%s' type '%s' domain '%s' " % (name, stype, domain)
if flags & avahi.LOOKUP_RESULT_LOCAL:
# local service, skip
pass
server.ResolveService(interface, protocol, name, stype,
domain, avahi.PROTO_UNSPEC, dbus.UInt32(0),
reply_handler=service_resolved, error_handler=print_error)
#print IP, PORT
loop = DBusGMainLoop()
bus = dbus.SystemBus(mainloop=loop)
server = dbus.Interface( bus.get_object(avahi.DBUS_NAME, '/'),
'org.freedesktop.Avahi.Server')
sbrowser = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
server.ServiceBrowserNew(avahi.IF_UNSPEC,
avahi.PROTO_UNSPEC, TYPE, 'local', dbus.UInt32(0))),
avahi.DBUS_INTERFACE_SERVICE_BROWSER)
sbrowser.connect_to_signal("ItemNew", myhandler)
loop=gobject.MainLoop()
loop.run()
self.service = bus.get_object(MUNIN_BUS_NAME,
'/' + MUNIN_BUS_NAME.replace('.', '/'))
def connect_signal(self, signal_name, callback):
self.service.connect_to_signal(signal_name,
callback,
dbus_interface=MUNIN_INTERFACE)
def __call__(self, name, *args, **kwargs):
method = self.service.get_dbus_method(name, MUNIN_BUS_NAME)
if kwargs.get('async') is not None:
# Make dbus python-dbus call this method async
kwargs['reply_handler'] = kwargs.get('async')
kwargs['error_handler'] = lambda *_: _
return method(*args, **kwargs)
if __name__ == '__main__':
loop = DBusGMainLoop(set_as_default=True)
sess = SessionClient('test')
def hellower():
print('... async call:', end='')
sess('rebuild', 'full', async=lambda: print('client: finished'))
print('... [DONE]')
return True
GLib.timeout_add(500, hellower)
GLib.MainLoop().run()
loop.run()
class SessionClient:
def __init__(self, name):
bus = dbus.SessionBus()
self.service = bus.get_object(MUNIN_BUS_NAME, "/" + MUNIN_BUS_NAME.replace(".", "/"))
def connect_signal(self, signal_name, callback):
self.service.connect_to_signal(signal_name, callback, dbus_interface=MUNIN_INTERFACE)
def __call__(self, name, *args, **kwargs):
method = self.service.get_dbus_method(name, MUNIN_BUS_NAME)
if kwargs.get("async") is not None:
# Make dbus python-dbus call this method async
kwargs["reply_handler"] = kwargs.get("async")
kwargs["error_handler"] = lambda *_: _
return method(*args, **kwargs)
if __name__ == "__main__":
loop = DBusGMainLoop(set_as_default=True)
sess = SessionClient("test")
def hellower():
print("... async call:", end="")
sess("rebuild", "full", async=lambda: print("client: finished"))
print("... [DONE]")
return True
GLib.timeout_add(500, hellower)
GLib.MainLoop().run()
loop.run()
def listen():
TYPE = "_ssm._tcp"
def store(devic):
global device
device=devic
def service_resolved(*args):
"""
Resolves the services so found
"""
global device
print 'service resolved'
print 'name:', args[2]
#print IP, PORT
print 'address:', args[7]
print 'port:', args[8]
device['IP'].append(str(args[7]))
device['PORT'].append(int(args[8]))
store(device)
#Below I have excluded IPv6 addresses from consideration.
#Another thing is I have hardcoded that the Service listener should discover X number of devices and then the loop should quit,else the Loop will
#keep running and my code after that will not work.There is a solution to this:Multithreading.I am not aware of how to do that in python,so I left it
#like this.
if ":" in device['IP'][-1] :
del device['IP'][-1]
del device['PORT'][-1]
if len(device['IP'])==3:
loop.quit()
def print_error(*args):
global device
print 'error_handler'
print args[0]
def myhandler(interface, protocol, name, stype, domain, flags):
global device
print "Found service '%s' type '%s' domain '%s' " % (name, stype, domain)
if flags & avahi.LOOKUP_RESULT_LOCAL:
# local service, skip
pass
server.ResolveService(interface, protocol, name, stype,
domain, avahi.PROTO_UNSPEC, dbus.UInt32(0),
reply_handler=service_resolved, error_handler=print_error)
#print IP, PORT
loop = DBusGMainLoop()
bus = dbus.SystemBus(mainloop=loop)
server = dbus.Interface( bus.get_object(avahi.DBUS_NAME, '/'),
'org.freedesktop.Avahi.Server')
sbrowser = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
server.ServiceBrowserNew(avahi.IF_UNSPEC,
avahi.PROTO_UNSPEC, TYPE, 'local', dbus.UInt32(0))),
avahi.DBUS_INTERFACE_SERVICE_BROWSER)
sbrowser.connect_to_signal("ItemNew", myhandler)
loop=gobject.MainLoop()
loop.run()
