def ListContacts(request):
"""
Called when "ListContacts" packet is received,
it keeps a list of suppliers OR customers and some extra info.
I think this is a most important method here, call different code from here.
"""
global _CentralStatusDict
global legal_codes
global OnListSuppliersFunc
global OnListCustomersFunc
data = request.Payload
dhnio.Dprint(6, 'central_service.ListContacts\n%s' % data)
words = data.split('\n', 1)
if len(words) < 2:
dhnio.Dprint(1, 'central_service.ListContacts ERROR wrong data packet [%s]' % str(request.Payload))
return
code = words[0]
if not code in legal_codes:
dhnio.Dprint(1, 'central_service.ListContacts ERROR wrong data in the packet [%s] ' % str(request.Payload))
return
current_contacts = []
clist, tail = dhnio._unpack_list(words[1])
fire_flag = code.startswith('f')
ban_flag = code.startswith('b')
contact_type = code.lower()[-1]
error_flag = code[-1].islower()
spaceDict = None
if tail is not None:
# extract info about who is alive at the moment
onlineArray = ''
spaceDict = dhnio._unpack_dict_from_list(tail)
if spaceDict.has_key('online'):
onlineArray = spaceDict.pop('online')
for i in range(len(onlineArray)):
if i < len(clist):
if clist[i]:
_CentralStatusDict[clist[i]] = onlineArray[i]
# extract info about contacts local ip
# if they are in same LAN we need to connect to local IP, not external
local_ips = {}
i = 0
while True:
idurl_and_local_ip = spaceDict.get('localip%03d' % i, None)
if idurl_and_local_ip is None:
break
try:
contact_idurl, contact_local_ip = idurl_and_local_ip.split('|')
except:
break
local_ips[contact_idurl] = contact_local_ip
spaceDict.pop('localip%03d' % i)
i += 1
dhnio.Dprint(6, 'central_service.ListContacts got local IP for %s: %s' % (nameurl.GetName(contact_idurl), contact_local_ip))
identitycache.SetLocalIPs(local_ips)
#---suppliers
if contact_type == 's':
current_contacts = contacts.getSupplierIDs()
contacts.setSupplierIDs(clist)
eccmap.init()
contacts.saveSupplierIDs()
for supid in contacts.getSupplierIDs():
if supid.strip() == '':
error_flag = True
break
dhnio.Dprint(4, "central_service.ListContacts (SUPPLIERS) code:%s error:%s length:%d" % (str(code), str(error_flag), len(clist)))
for oldidurl in current_contacts:
if oldidurl:
if oldidurl not in clist:
events.info('central_service', 'supplier %s were disconnected' % nameurl.GetName(oldidurl),)
misc.writeSupplierData(oldidurl, 'disconnected', time.strftime('%d%m%y %H:%M:%S'))
dhnio.Dprint(6, 'central_service.ListContacts supplier %s were disconnected' % nameurl.GetName(oldidurl))
for newidurl in clist:
if newidurl:
if newidurl not in current_contacts:
transport_control.ClearAliveTime(newidurl)
misc.writeSupplierData(newidurl, 'connected', time.strftime('%d%m%y %H:%M:%S'))
events.info('central_service', 'new supplier %s connected' % nameurl.GetName(newidurl), '',)
dhnio.Dprint(6, 'central_service.ListContacts new supplier %s connected' % nameurl.GetName(newidurl))
backup_control.SetSupplierList(clist)
if not fire_flag and current_contacts != clist:
dhnio.Dprint(6, 'central_service.ListContacts going to call suppliers')
identitypropagate.suppliers(wide=True)
if OnListSuppliersFunc is not None:
OnListSuppliersFunc()
#---customers
elif contact_type == 'c':
current_contacts = contacts.getCustomerIDs()
contacts.setCustomerIDs(clist)
contacts.saveCustomerIDs()
if spaceDict is not None:
dhnio._write_dict(settings.CustomersSpaceFile(), spaceDict)
reactor.callLater(3, local_tester.TestUpdateCustomers)
# if not fire_flag and current_contacts != clist:
identitypropagate.customers(wide=True)
dhnio.Dprint(4, "central_service.ListContacts (CUSTOMERS) code:%s error:%s length:%d" % (str(code), str(error_flag), len(clist)))
for oldidurl in current_contacts:
if oldidurl not in clist:
events.info('central_service', 'customer %s were disconnected' % nameurl.GetName(oldidurl),)
dhnio.Dprint(6, 'central_service.ListContacts customer %s were disconnected' % nameurl.GetName(oldidurl))
for newidurl in clist:
if newidurl not in current_contacts:
transport_control.ClearAliveTime(newidurl)
events.info('central_service', 'new customer %s connected' % nameurl.GetName(newidurl))
dhnio.Dprint(6, 'central_service.ListContacts new customer %s connected' % nameurl.GetName(newidurl))
if OnListCustomersFunc is not None:
OnListCustomersFunc()
#---fire_flag
if fire_flag:
if contact_type == 's':
index = -1
for index in range(len(clist)):
if clist[index] != current_contacts[index]:
break
if index >= 0:
# we want to send our Identity to new supplier
# and than ask a list of files he have
# so it should start rebuilding backups immediately
# right after we got ListFiles from him
identitypropagate.single(clist[index], wide=True)
#---ban_flag
if ban_flag:
events.notify('central_service', 'you have negative balance, all your suppliers was removed', '',)
dhnio.Dprint(2, 'central_service.ListContacts !!! you have negative balance, all your suppliers was removed !!!')
#---error_flag
if error_flag:
#reactor.callLater(settings.DefaultNeedSuppliersPacketTimeOut(), SendRequestSuppliers)
events.info('central_service', 'could not find available suppliers',
'Central server can not find available suppliers for you.\nCheck your central settings.\n',)
dhnio.Dprint(2, 'central_service.ListContacts !!! could not find available suppliers !!!')
#---send ack
transport_control.SendAck(request)
#---automats
if contact_type == 's':
central_connector.A('list-suppliers', clist)
fire_hire.A('list-suppliers', (current_contacts, clist))
data_sender.A('restart')
elif contact_type == 'c':
central_connector.A('list-customers', clist)
#---transport_udp
if transport_control._TransportUDPEnable:
import lib.transport_udp as transport_udp
new_contacts = contacts.getContactsAndCorrespondents()
transport_udp.ListContactsCallback(current_contacts, new_contacts)
def RealSendCustomers():
dhnio.Dprint(8, "identitypropagate.RealSendCustomers")
SendToIDs(contacts.getCustomerIDs(), HandleCustomersAck)
def customers(AckHandler=None, wide=False):
dhnio.Dprint(6, 'identitypropagate.customers')
return propagate(contacts.getCustomerIDs(), AckHandler, wide)
def FetchCustomers():
return fetch(contacts.getCustomerIDs())