def cancel(self, request, info): from p2p import p2p_service if not contactsdb.is_customer(request.OwnerID): lg.warn( "got packet from %s, but he is not a customer" % request.OwnerID) return p2p_service.SendFail(request, 'not a customer') if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.cancel created a new space file') space_dict = accounting.read_customers_quotas() if request.OwnerID not in space_dict.keys(): lg.warn( "got packet from %s, but not found him in space dictionary" % request.OwnerID) return p2p_service.SendFail(request, 'not a customer') try: free_bytes = int(space_dict['free']) space_dict['free'] = free_bytes + int(space_dict[request.OwnerID]) except: lg.exc() return p2p_service.SendFail(request, 'broken space file') new_customers = list(contactsdb.customers()) new_customers.remove(request.OwnerID) contactsdb.update_customers(new_customers) contactsdb.save_customers() space_dict.pop(request.OwnerID) accounting.write_customers_quotas(space_dict) from supplier import local_tester reactor.callLater(0, local_tester.TestUpdateCustomers) return p2p_service.SendAck(request, 'accepted')
def cancel(self, request, info): from main import events from p2p import p2p_service if not contactsdb.is_customer(request.OwnerID): lg.warn( "got packet from %s, but he is not a customer" % request.OwnerID) return p2p_service.SendFail(request, 'not a customer') if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.cancel created a new space file') space_dict = accounting.read_customers_quotas() if request.OwnerID not in space_dict.keys(): lg.warn( "got packet from %s, but not found him in space dictionary" % request.OwnerID) return p2p_service.SendFail(request, 'not a customer') try: free_bytes = int(space_dict['free']) space_dict['free'] = free_bytes + int(space_dict[request.OwnerID]) except: lg.exc() return p2p_service.SendFail(request, 'broken space file') new_customers = list(contactsdb.customers()) new_customers.remove(request.OwnerID) contactsdb.update_customers(new_customers) contactsdb.save_customers() space_dict.pop(request.OwnerID) accounting.write_customers_quotas(space_dict) from supplier import local_tester reactor.callLater(0, local_tester.TestUpdateCustomers) lg.out(8, " OLD CUSTOMER: TERMINATED !!!!!!!!!!!!!!") events.send('existing-customer-terminated', dict(idurl=request.OwnerID)) return p2p_service.SendAck(request, 'accepted')
def cancel(self, json_payload, newpacket, info): from twisted.internet import reactor # @UnresolvedImport from logs import lg from main import events from p2p import p2p_service from contacts import contactsdb from storage import accounting customer_idurl = newpacket.OwnerID if not contactsdb.is_customer(customer_idurl): lg.warn("got packet from %s, but he is not a customer" % customer_idurl) return p2p_service.SendFail(newpacket, 'not a customer') if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.cancel created a new space file') space_dict = accounting.read_customers_quotas() if customer_idurl not in list(space_dict.keys()): lg.warn("got packet from %s, but not found him in space dictionary" % customer_idurl) return p2p_service.SendFail(newpacket, 'not a customer') try: free_bytes = int(space_dict[b'free']) space_dict[b'free'] = free_bytes + int(space_dict[customer_idurl]) except: lg.exc() return p2p_service.SendFail(newpacket, 'broken space file') new_customers = list(contactsdb.customers()) new_customers.remove(customer_idurl) contactsdb.update_customers(new_customers) contactsdb.remove_customer_meta_info(customer_idurl) contactsdb.save_customers() space_dict.pop(customer_idurl) accounting.write_customers_quotas(space_dict) from supplier import local_tester reactor.callLater(0, local_tester.TestUpdateCustomers) # @UndefinedVariable lg.out(8, " OLD CUSTOMER: TERMINATED !!!!!!!!!!!!!!") events.send('existing-customer-terminated', dict(idurl=customer_idurl)) return p2p_service.SendAck(newpacket, 'accepted')
def doTestMyCapacity(self, arg): """ Here are some values. + donated_bytes : you set this in the configs + consumed_bytes : how many space was taken from you by other users + free_bytes = donated_bytes - consumed_bytes : not yet allocated space + used_bytes : size of all files, which you store on your disk for your customers + ratio : currently used space compared to consumed space """ lg.out(8, 'customers_rejector.doTestMyCapacity') failed_customers = set() current_customers = contactsdb.customers() donated_bytes = settings.getDonatedBytes() space_dict = accounting.read_customers_quotas() used_dict = accounting.read_customers_usage() unknown_customers, unused_quotas = accounting.validate_customers_quotas( space_dict) failed_customers.update(unknown_customers) for idurl in unknown_customers: space_dict.pop(idurl, None) for idurl in unused_quotas: space_dict.pop(idurl, None) consumed_bytes = accounting.count_consumed_space(space_dict) space_dict['free'] = donated_bytes - consumed_bytes if consumed_bytes < donated_bytes and len(failed_customers) == 0: accounting.write_customers_quotas(space_dict) lg.out(8, ' space is OK !!!!!!!!') self.automat('space-enough') return if failed_customers: lg.out( 8, ' found FAILED Customers:\n%s' % (' \n'.join(failed_customers))) for idurl in failed_customers: current_customers.remove(idurl) self.automat('space-overflow', (space_dict, consumed_bytes, current_customers, failed_customers)) return used_space_ratio_dict = accounting.calculate_customers_usage_ratio( space_dict, used_dict) customers_sorted = sorted( current_customers, key=lambda idurl: used_space_ratio_dict[idurl], ) while len(customers_sorted) > 0 and consumed_bytes > donated_bytes: idurl = customers_sorted.pop() allocated_bytes = int(space_dict[idurl]) consumed_bytes -= allocated_bytes space_dict.pop(idurl) failed_customers.add(idurl) current_customers.remove(idurl) lg.out(8, ' customer %s will be REMOVED' % idurl) space_dict['free'] = donated_bytes - consumed_bytes lg.out(8, ' SPACE NOT ENOUGH !!!!!!!!!!') self.automat( 'space-overflow', (space_dict, consumed_bytes, current_customers, failed_customers))
def request(self, request, info): from p2p import p2p_service words = request.Payload.split(' ') try: bytes_for_customer = int(words[1]) except: lg.exc() bytes_for_customer = None if not bytes_for_customer or bytes_for_customer < 0: lg.warn("wrong storage value : %s" % request.Payload) return p2p_service.SendFail(request, 'wrong storage value') current_customers = contactsdb.customers() if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.request created a new space file') space_dict = accounting.read_customers_quotas() try: free_bytes = int(space_dict['free']) except: lg.exc() return p2p_service.SendFail(request, 'broken space file') if (request.OwnerID not in current_customers and request.OwnerID in space_dict.keys()): lg.warn("broken space file") return p2p_service.SendFail(request, 'broken space file') if (request.OwnerID in current_customers and request.OwnerID not in space_dict.keys()): lg.warn("broken customers file") return p2p_service.SendFail(request, 'broken customers file') if request.OwnerID in current_customers: free_bytes += int(space_dict[request.OwnerID]) space_dict['free'] = free_bytes current_customers.remove(request.OwnerID) space_dict.pop(request.OwnerID) new_customer = False else: new_customer = True from supplier import local_tester if free_bytes <= bytes_for_customer: contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out( 8, " NEW CUSTOMER - DENIED !!!!!!!!!!! not enough space") else: lg.out( 8, " OLD CUSTOMER - DENIED !!!!!!!!!!! not enough space") return p2p_service.SendAck(request, 'deny') space_dict['free'] = free_bytes - bytes_for_customer current_customers.append(request.OwnerID) space_dict[request.OwnerID] = bytes_for_customer contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out(8, " NEW CUSTOMER ACCEPTED !!!!!!!!!!!!!!") else: lg.out(8, " OLD CUSTOMER ACCEPTED !!!!!!!!!!!!!!") return p2p_service.SendAck(request, 'accepted')
def doRemoveCustomers(self, arg): """ Action method. """ space_dict, spent_bytes, current_customers, removed_customers = arg contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict)
def doTestMyCapacity(self, *args, **kwargs): """ Here are some values. + donated_bytes : you set this in the settings + consumed_bytes : how many space was taken from you by other users + free_bytes = donated_bytes - consumed_bytes : not yet allocated space + used_bytes : size of all files, which you store on your disk for your customers + ratio : currently used space compared to consumed space """ if _Debug: lg.out(_DebugLevel, 'customers_rejector.doTestMyCapacity') failed_customers = set() current_customers = contactsdb.customers() donated_bytes = settings.getDonatedBytes() space_dict, free_space = accounting.read_customers_quotas() used_dict = accounting.read_customers_usage() unknown_customers, unused_quotas = accounting.validate_customers_quotas( space_dict, free_space) failed_customers.update(unknown_customers) for idurl in unknown_customers: space_dict.pop(idurl, None) for idurl in unused_quotas: space_dict.pop(idurl, None) consumed_bytes = accounting.count_consumed_space(space_dict) free_space = donated_bytes - consumed_bytes if consumed_bytes < donated_bytes and len(failed_customers) == 0: accounting.write_customers_quotas(space_dict, free_space) lg.info('storage quota checks succeed, all customers are verified') self.automat('space-enough') return if failed_customers: for idurl in failed_customers: lg.warn('customer %r failed storage quota verification' % idurl) current_customers.remove(idurl) self.automat('space-overflow', failed_customers) return used_space_ratio_dict = accounting.calculate_customers_usage_ratio( space_dict, used_dict) customers_sorted = sorted( current_customers, key=lambda idurl: used_space_ratio_dict[idurl], ) while len(customers_sorted) > 0 and consumed_bytes > donated_bytes: idurl = customers_sorted.pop() allocated_bytes = int(space_dict[idurl]) consumed_bytes -= allocated_bytes space_dict.pop(idurl) failed_customers.add(idurl) current_customers.remove(idurl) lg.warn( 'customer %r will be removed because of storage quota overflow' % idurl) free_space = donated_bytes - consumed_bytes self.automat('space-overflow', failed_customers)
def doRemoveCustomers(self, *args, **kwargs): """ Action method. """ space_dict, spent_bytes, current_customers, removed_customers = args[0] contactsdb.update_customers(current_customers) for customer_idurl in removed_customers: contactsdb.remove_customer_meta_info(customer_idurl) contactsdb.save_customers() accounting.write_customers_quotas(space_dict)
def doTestMyCapacity(self, arg): """ Here are some values. + donated_bytes : you set this in the configs + consumed_bytes : how many space was taken from you by other users + free_bytes = donated_bytes - consumed_bytes : not yet allocated space + used_bytes : size of all files, which you store on your disk for your customers + ratio : currently used space compared to consumed space """ lg.out(8, 'customers_rejector.doTestMyCapacity') failed_customers = set() current_customers = contactsdb.customers() donated_bytes = settings.getDonatedBytes() space_dict = accounting.read_customers_quotas() used_dict = accounting.read_customers_usage() unknown_customers, unused_quotas = accounting.validate_customers_quotas(space_dict) failed_customers.update(unknown_customers) for idurl in unknown_customers: space_dict.pop(idurl, None) for idurl in unused_quotas: space_dict.pop(idurl, None) consumed_bytes = accounting.count_consumed_space(space_dict) space_dict['free'] = donated_bytes - consumed_bytes if consumed_bytes < donated_bytes and len(failed_customers) == 0: accounting.write_customers_quotas(space_dict) lg.out(8, ' space is OK !!!!!!!!') self.automat('space-enough') return if failed_customers: lg.out(8, ' found FAILED Customers:\n%s' % ( ' \n'.join(failed_customers))) for idurl in failed_customers: current_customers.remove(idurl) self.automat('space-overflow', ( space_dict, consumed_bytes, current_customers, failed_customers)) return used_space_ratio_dict = accounting.calculate_customers_usage_ratio(space_dict, used_dict) customers_sorted = sorted(current_customers, key=lambda idurl: used_space_ratio_dict[idurl],) while len(customers_sorted) > 0 and consumed_bytes > donated_bytes: idurl = customers_sorted.pop() allocated_bytes = int(space_dict[idurl]) consumed_bytes -= allocated_bytes space_dict.pop(idurl) failed_customers.add(idurl) current_customers.remove(idurl) lg.out(8, ' customer %s will be REMOVED' % idurl) space_dict['free'] = donated_bytes - consumed_bytes lg.out(8, ' SPACE NOT ENOUGH !!!!!!!!!!') self.automat('space-overflow', ( space_dict, consumed_bytes, current_customers, failed_customers))
def cancel(self, json_payload, newpacket, info): from twisted.internet import reactor # @UnresolvedImport from logs import lg from main import events from p2p import p2p_service from contacts import contactsdb from storage import accounting from crypt import my_keys customer_idurl = newpacket.OwnerID try: customer_public_key = json_payload['customer_public_key'] customer_public_key_id = customer_public_key['key_id'] except: customer_public_key = None customer_public_key_id = None customer_ecc_map = json_payload.get('ecc_map') if not contactsdb.is_customer(customer_idurl): lg.warn("got packet from %s, but he is not a customer" % customer_idurl) return p2p_service.SendFail(newpacket, 'not a customer') if accounting.check_create_customers_quotas(): lg.info('created a new space file') space_dict, free_space = accounting.read_customers_quotas() if customer_idurl.to_bin() not in list(space_dict.keys()): lg.warn( "got packet from %s, but not found him in space dictionary" % customer_idurl) return p2p_service.SendFail(newpacket, 'not a customer') try: free_bytes = int(free_space) free_space = free_bytes + int(space_dict[customer_idurl.to_bin()]) except: lg.exc() return p2p_service.SendFail(newpacket, 'broken space file') new_customers = list(contactsdb.customers()) new_customers.remove(customer_idurl) space_dict.pop(customer_idurl.to_bin()) accounting.write_customers_quotas(space_dict, free_space) contactsdb.remove_customer_meta_info(customer_idurl) contactsdb.update_customers(new_customers) contactsdb.save_customers() if customer_public_key_id: my_keys.erase_key(customer_public_key_id) # TODO: erase customer's groups keys also from supplier import local_tester reactor.callLater( 0, local_tester.TestUpdateCustomers) # @UndefinedVariable lg.info("OLD CUSTOMER TERMINATED %r" % customer_idurl) events.send('existing-customer-terminated', data=dict(idurl=customer_idurl, ecc_map=customer_ecc_map)) return p2p_service.SendAck(newpacket, 'accepted')
def on_identity_url_changed(evt): old_idurl = id_url.field(evt.data['old_idurl']) # update customer idurl in "space" file contacts_changed = False for customer_idurl in contactsdb.customers(): if old_idurl == customer_idurl: customer_idurl.refresh() contacts_changed = True lg.info('found customer idurl rotated : %r -> %r' % ( evt.data['old_idurl'], evt.data['new_idurl'], )) if contacts_changed: contactsdb.save_customers() # update meta info for that customer meta_info_changed = False all_meta_info = contactsdb.read_customers_meta_info_all() for customer_idurl_bin in list(all_meta_info.keys()): if id_url.is_cached(old_idurl) and id_url.is_cached( customer_idurl_bin): if old_idurl == id_url.field(customer_idurl_bin): latest_customer_idurl_bin = id_url.field( customer_idurl_bin).to_bin() if latest_customer_idurl_bin != customer_idurl_bin: all_meta_info[ latest_customer_idurl_bin] = all_meta_info.pop( customer_idurl_bin) meta_info_changed = True lg.info( 'found customer idurl rotated in customers meta info : %r -> %r' % ( latest_customer_idurl_bin, customer_idurl_bin, )) if meta_info_changed: contactsdb.write_customers_meta_info_all(all_meta_info) # update customer idurl in "space" file space_dict, free_space = accounting.read_customers_quotas() space_changed = False for customer_idurl_bin in list(space_dict.keys()): if id_url.is_cached(old_idurl) and id_url.is_cached( customer_idurl_bin): if id_url.field(customer_idurl_bin) == old_idurl: latest_customer_idurl_bin = id_url.field( customer_idurl_bin).to_bin() if latest_customer_idurl_bin != customer_idurl_bin: space_dict[latest_customer_idurl_bin] = space_dict.pop( customer_idurl_bin) space_changed = True lg.info( 'found customer idurl rotated in customer quotas dictionary : %r -> %r' % ( latest_customer_idurl_bin, customer_idurl_bin, )) if space_changed: accounting.write_customers_quotas(space_dict, free_space) # rename customer folder where I store all his files old_customer_dirname = str(global_id.UrlToGlobalID(evt.data['old_idurl'])) new_customer_dirname = str(global_id.UrlToGlobalID(evt.data['new_idurl'])) customers_dir = settings.getCustomersFilesDir() old_owner_dir = os.path.join(customers_dir, old_customer_dirname) new_owner_dir = os.path.join(customers_dir, new_customer_dirname) if os.path.isdir(old_owner_dir): try: bpio.move_dir_recursive(old_owner_dir, new_owner_dir) lg.info('copied %r into %r' % ( old_owner_dir, new_owner_dir, )) if os.path.exists(old_owner_dir): bpio._dir_remove(old_owner_dir) lg.warn('removed %r' % old_owner_dir) except: lg.exc() # update customer idurl in "spaceused" file local_tester.TestSpaceTime() return True
def request(self, json_payload, newpacket, info): from twisted.internet import reactor # @UnresolvedImport from logs import lg from main import events from crypt import my_keys from p2p import p2p_service from contacts import contactsdb from storage import accounting from userid import global_id customer_idurl = newpacket.OwnerID customer_id = global_id.UrlToGlobalID(customer_idurl) bytes_for_customer = 0 try: bytes_for_customer = int(json_payload['needed_bytes']) except: lg.warn("wrong payload" % newpacket.Payload) return p2p_service.SendFail(newpacket, 'wrong payload') try: customer_public_key = json_payload['customer_public_key'] customer_public_key_id = customer_public_key['key_id'] except: customer_public_key = None customer_public_key_id = None data_owner_idurl = None target_customer_idurl = None family_position = json_payload.get('position') ecc_map = json_payload.get('ecc_map') family_snapshot = json_payload.get('family_snapshot') key_id = json_payload.get('key_id') target_customer_id = json_payload.get('customer_id') if key_id: # this is a request from external user to access shared data stored by one of my customers # this is "second" customer requesting data from "first" customer if not key_id or not my_keys.is_valid_key_id(key_id): lg.warn('missed or invalid key id') return p2p_service.SendFail(newpacket, 'invalid key id') target_customer_idurl = global_id.GlobalUserToIDURL( target_customer_id) if not contactsdb.is_customer(target_customer_idurl): lg.warn("target user %s is not a customer" % target_customer_id) return p2p_service.SendFail(newpacket, 'not a customer') if target_customer_idurl == customer_idurl: lg.warn('customer %s requesting shared access to own files' % customer_idurl) return p2p_service.SendFail(newpacket, 'invalid case') if not my_keys.is_key_registered(key_id): lg.warn('key not registered: %s' % key_id) p2p_service.SendFail(newpacket, 'key not registered') return False data_owner_idurl = my_keys.split_key_id(key_id)[1] if data_owner_idurl != target_customer_idurl and data_owner_idurl != customer_idurl: # pretty complex scenario: # external customer requesting access to data which belongs not to that customer # this is "third" customer accessing data belongs to "second" customer # TODO: for now just stop it lg.warn( 'under construction, key_id=%s customer_idurl=%s target_customer_idurl=%s' % ( key_id, customer_idurl, target_customer_idurl, )) p2p_service.SendFail(newpacket, 'under construction') return False # do not create connection with that customer, only accept the request lg.info( 'external customer %s requested access to shared data at %s' % ( customer_id, key_id, )) return p2p_service.SendAck(newpacket, 'accepted') # key_id is not present in the request: # this is a request to connect new customer (or reconnect existing one) to that supplier if not bytes_for_customer or bytes_for_customer < 0: lg.warn("wrong payload : %s" % newpacket.Payload) return p2p_service.SendFail(newpacket, 'wrong storage value') current_customers = contactsdb.customers() if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.request created a new space file') space_dict = accounting.read_customers_quotas() try: free_bytes = int(space_dict[b'free']) except: lg.exc() return p2p_service.SendFail(newpacket, 'broken space file') if (customer_idurl not in current_customers and customer_idurl in list(space_dict.keys())): lg.warn("broken space file") return p2p_service.SendFail(newpacket, 'broken space file') if (customer_idurl in current_customers and customer_idurl not in list(space_dict.keys())): lg.warn("broken customers file") return p2p_service.SendFail(newpacket, 'broken customers file') if customer_idurl in current_customers: free_bytes += int(space_dict.get(customer_idurl, 0)) space_dict[b'free'] = free_bytes current_customers.remove(customer_idurl) space_dict.pop(customer_idurl) new_customer = False else: new_customer = True lg.out( 8, ' new_customer=%s current_allocated_bytes=%s' % ( new_customer, space_dict.get(customer_idurl), )) from supplier import local_tester if free_bytes <= bytes_for_customer: contactsdb.update_customers(current_customers) contactsdb.remove_customer_meta_info(customer_idurl) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) if customer_public_key_id: my_keys.erase_key(customer_public_key_id) reactor.callLater( 0, local_tester.TestUpdateCustomers) # @UndefinedVariable if new_customer: lg.out( 8, " NEW CUSTOMER: DENIED !!!!!!!!!!! not enough space available" ) events.send('new-customer-denied', dict(idurl=customer_idurl)) else: lg.out( 8, " OLD CUSTOMER: DENIED !!!!!!!!!!! not enough space available" ) events.send('existing-customer-denied', dict(idurl=customer_idurl)) return p2p_service.SendAck(newpacket, 'deny') space_dict[b'free'] = free_bytes - bytes_for_customer current_customers.append(customer_idurl) space_dict[customer_idurl] = bytes_for_customer contactsdb.update_customers(current_customers) contactsdb.save_customers() contactsdb.add_customer_meta_info( customer_idurl, { 'ecc_map': ecc_map, 'position': family_position, 'family_snapshot': family_snapshot, }) accounting.write_customers_quotas(space_dict) if customer_public_key_id: my_keys.erase_key(customer_public_key_id) try: if not my_keys.is_key_registered(customer_public_key_id): key_id, key_object = my_keys.read_key_info( customer_public_key) if not my_keys.register_key(key_id, key_object): lg.err('failed to register customer public key') except: lg.exc() else: lg.warn('customer public key was not provided in the request') reactor.callLater( 0, local_tester.TestUpdateCustomers) # @UndefinedVariable if new_customer: lg.out( 8, " NEW CUSTOMER: ACCEPTED %s family_position=%s ecc_map=%s allocated_bytes=%s" % (customer_idurl, family_position, ecc_map, bytes_for_customer)) lg.out( 8, " family_snapshot=%r !!!!!!!!!!!!!!" % family_snapshot, ) events.send( 'new-customer-accepted', dict( idurl=customer_idurl, allocated_bytes=bytes_for_customer, ecc_map=ecc_map, position=family_position, family_snapshot=family_snapshot, key_id=customer_public_key_id, )) else: lg.out( 8, " OLD CUSTOMER: ACCEPTED %s family_position=%s ecc_map=%s allocated_bytes=%s" % (customer_idurl, family_position, ecc_map, bytes_for_customer)) lg.out( 8, " family_snapshot=%r !!!!!!!!!!!!!!" % family_snapshot) events.send( 'existing-customer-accepted', dict( idurl=customer_idurl, allocated_bytes=bytes_for_customer, ecc_map=ecc_map, position=family_position, key_id=customer_public_key_id, family_snapshot=family_snapshot, )) return p2p_service.SendAck(newpacket, 'accepted')
def doTestMyCapacity2(self, *args, **kwargs): """ Here are some values. - donated_bytes : you set this in the config - spent_bytes : how many space is taken from you by other users right now - free_bytes = donated_bytes - spent_bytes : not yet allocated space - used_bytes : size of all files, which you store on your disk for your customers """ current_customers = contactsdb.customers() removed_customers = [] spent_bytes = 0 donated_bytes = settings.getDonatedBytes() space_dict = accounting.read_customers_quotas() if not space_dict: space_dict = {b'free': donated_bytes} used_dict = accounting.read_customers_usage() lg.out( 8, 'customers_rejector.doTestMyCapacity donated=%d' % donated_bytes) try: int(space_dict[b'free']) for idurl, customer_bytes in space_dict.items(): if idurl != b'free': spent_bytes += int(customer_bytes) except: lg.exc() space_dict = {b'free': donated_bytes} spent_bytes = 0 removed_customers = list(current_customers) current_customers = [] self.automat('space-overflow', (space_dict, spent_bytes, current_customers, removed_customers)) return lg.out(8, ' spent=%d' % spent_bytes) if spent_bytes < donated_bytes: space_dict[b'free'] = donated_bytes - spent_bytes accounting.write_customers_quotas(space_dict) lg.out(8, ' space is OK !!!!!!!!') self.automat('space-enough') return used_space_ratio_dict = {} for customer_pos in range(contactsdb.num_customers()): customer_idurl = contactsdb.customer(customer_pos) try: allocated_bytes = int(space_dict[customer_idurl]) except: if customer_idurl in current_customers: current_customers.remove(customer_idurl) removed_customers.append(customer_idurl) else: lg.warn('%s not customers' % customer_idurl) lg.warn('%s allocated space unknown' % customer_idurl) continue if allocated_bytes <= 0: if customer_idurl in current_customers: current_customers.remove(customer_idurl) removed_customers.append(customer_idurl) else: lg.warn('%s not customers' % customer_idurl) lg.warn('%s allocated_bytes==0' % customer_idurl) continue try: files_size = int(used_dict.get(customer_idurl, 0)) ratio = float(files_size) / float(allocated_bytes) except: if customer_idurl in current_customers: current_customers.remove(customer_idurl) removed_customers.append(customer_idurl) else: lg.warn('%s not customers' % customer_idurl) lg.warn('%s used_dict have wrong value' % customer_idurl) continue if ratio > 1.0: if customer_idurl in current_customers: current_customers.remove(customer_idurl) removed_customers.append(customer_idurl) else: lg.warn('%s not customers' % customer_idurl) spent_bytes -= allocated_bytes lg.warn('%s space overflow, where is bptester?' % customer_idurl) continue used_space_ratio_dict[customer_idurl] = ratio customers_sorted = sorted( current_customers, key=lambda i: used_space_ratio_dict[i], ) while len(customers_sorted) > 0: customer_idurl = customers_sorted.pop() allocated_bytes = int(space_dict[customer_idurl]) spent_bytes -= allocated_bytes space_dict.pop(customer_idurl) current_customers.remove(customer_idurl) removed_customers.append(customer_idurl) lg.out(8, ' customer %s REMOVED' % customer_idurl) if spent_bytes < donated_bytes: break space_dict[b'free'] = donated_bytes - spent_bytes lg.out(8, ' SPACE NOT ENOUGH !!!!!!!!!!') self.automat( 'space-overflow', (space_dict, spent_bytes, current_customers, removed_customers))
def request(self, json_payload, newpacket, info): from twisted.internet import reactor from logs import lg from main import events from crypt import my_keys from p2p import p2p_service from contacts import contactsdb from storage import accounting bytes_for_customer = None try: bytes_for_customer = json_payload['needed_bytes'] except: lg.warn("wrong payload" % newpacket.Payload) return p2p_service.SendFail(newpacket, 'wrong payload') try: customer_public_key = json_payload['customer_public_key'] customer_public_key_id = customer_public_key['key_id'] except: customer_public_key = None customer_public_key_id = None if not bytes_for_customer or bytes_for_customer < 0: lg.warn("wrong payload : %s" % newpacket.Payload) return p2p_service.SendFail(newpacket, 'wrong storage value') current_customers = contactsdb.customers() if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.request created a new space file') space_dict = accounting.read_customers_quotas() try: free_bytes = int(space_dict['free']) except: lg.exc() return p2p_service.SendFail(newpacket, 'broken space file') if (newpacket.OwnerID not in current_customers and newpacket.OwnerID in space_dict.keys()): lg.warn("broken space file") return p2p_service.SendFail(newpacket, 'broken space file') if (newpacket.OwnerID in current_customers and newpacket.OwnerID not in space_dict.keys()): lg.warn("broken customers file") return p2p_service.SendFail(newpacket, 'broken customers file') if newpacket.OwnerID in current_customers: free_bytes += int(space_dict[newpacket.OwnerID]) space_dict['free'] = free_bytes current_customers.remove(newpacket.OwnerID) space_dict.pop(newpacket.OwnerID) new_customer = False else: new_customer = True from supplier import local_tester if free_bytes <= bytes_for_customer: contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) if customer_public_key_id: my_keys.erase_key(customer_public_key_id) reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out( 8, " NEW CUSTOMER: DENIED !!!!!!!!!!! not enough space available" ) events.send('new-customer-denied', dict(idurl=newpacket.OwnerID)) else: lg.out( 8, " OLD CUSTOMER: DENIED !!!!!!!!!!! not enough space available" ) events.send('existing-customer-denied', dict(idurl=newpacket.OwnerID)) return p2p_service.SendAck(newpacket, 'deny') space_dict['free'] = free_bytes - bytes_for_customer current_customers.append(newpacket.OwnerID) space_dict[newpacket.OwnerID] = bytes_for_customer contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) if customer_public_key_id: my_keys.erase_key(customer_public_key_id) try: if not my_keys.is_key_registered(customer_public_key_id): key_id, key_object = my_keys.read_key_info( customer_public_key) if not my_keys.register_key(key_id, key_object): lg.warn('failed to register customer public key') except: lg.exc() else: lg.warn('customer public key was not provided in the request') reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out(8, " NEW CUSTOMER: ACCEPTED !!!!!!!!!!!!!!") events.send('new-customer-accepted', dict(idurl=newpacket.OwnerID)) else: lg.out(8, " OLD CUSTOMER: ACCEPTED !!!!!!!!!!!!!!") events.send('existing-customer-accepted', dict(idurl=newpacket.OwnerID)) return p2p_service.SendAck(newpacket, 'accepted')
def request(self, request, info): from main import events from p2p import p2p_service words = request.Payload.split(' ') try: bytes_for_customer = int(words[1]) except: lg.exc() bytes_for_customer = None if not bytes_for_customer or bytes_for_customer < 0: lg.warn("wrong storage value : %s" % request.Payload) return p2p_service.SendFail(request, 'wrong storage value') current_customers = contactsdb.customers() if accounting.check_create_customers_quotas(): lg.out(6, 'service_supplier.request created a new space file') space_dict = accounting.read_customers_quotas() try: free_bytes = int(space_dict['free']) except: lg.exc() return p2p_service.SendFail(request, 'broken space file') if (request.OwnerID not in current_customers and request.OwnerID in space_dict.keys()): lg.warn("broken space file") return p2p_service.SendFail(request, 'broken space file') if (request.OwnerID in current_customers and request.OwnerID not in space_dict.keys()): lg.warn("broken customers file") return p2p_service.SendFail(request, 'broken customers file') if request.OwnerID in current_customers: free_bytes += int(space_dict[request.OwnerID]) space_dict['free'] = free_bytes current_customers.remove(request.OwnerID) space_dict.pop(request.OwnerID) new_customer = False else: new_customer = True from supplier import local_tester if free_bytes <= bytes_for_customer: contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out(8, " NEW CUSTOMER: DENIED !!!!!!!!!!! not enough space available") events.send('new-customer-denied', dict(idurl=request.OwnerID)) else: lg.out(8, " OLD CUSTOMER: DENIED !!!!!!!!!!! not enough space available") events.send('existing-customer-denied', dict(idurl=request.OwnerID)) return p2p_service.SendAck(request, 'deny') space_dict['free'] = free_bytes - bytes_for_customer current_customers.append(request.OwnerID) space_dict[request.OwnerID] = bytes_for_customer contactsdb.update_customers(current_customers) contactsdb.save_customers() accounting.write_customers_quotas(space_dict) reactor.callLater(0, local_tester.TestUpdateCustomers) if new_customer: lg.out(8, " NEW CUSTOMER: ACCEPTED !!!!!!!!!!!!!!") events.send('new-customer-accepted', dict(idurl=request.OwnerID)) else: lg.out(8, " OLD CUSTOMER: ACCEPTED !!!!!!!!!!!!!!") events.send('existing-customer-accepted', dict(idurl=request.OwnerID)) return p2p_service.SendAck(request, 'accepted')