def _broadcast(self, query, starturl, history):
"""
broadcast to all other nodes
"""
mylogger.info('-' * 10)
mylogger.info('[broadcast]:')
mylogger.info("knows: {0}".format(self.known))
mylogger.info("history: {0}".format(history))
for other in self.known.copy():
mylogger.info('[broadcast]: other is {0}'.format(other))
if other in history:
continue
s = ServerProxy(other)
mylogger.info('[broadcast]: Connecting from {0} to {1}'.format(
self.url, other))
mylogger.info('*' * 80)
try:
code, data = s.query(query, starturl, history)
mylogger.info(
'[broadcast]: query return code {0}'.format(code))
if code == SUCCESS:
mylogger.info('[broadcast]: query SUCCESS!!!')
return code, data
elif code == NOT_EXIST:
mylogger.info('[broadcast]: query NOT_EXIST!!!')
else:
mylogger.info('[broadcast]: query ACCESS_DENIED!!!')
except Fault, f: # connected to server,but method does not exist(Never happen in this example)
mylogger.warn(f)
mylogger.warn("[broadcast]:except fault")
except socket.error, e:
mylogger.warn("[broadcast]:except socket error")
mylogger.error('[broadcast]: {0} for {1}'.format(e, other))
# added by kzl
self.known.remove(other)
def _broadcast(self,query,starturl,history):
"""
broadcast to all other nodes
"""
mylogger.info('-'*10)
mylogger.info('[broadcast]:')
mylogger.info("knows: {0}".format(self.known))
mylogger.info("history: {0}".format(history))
for other in self.known.copy():
mylogger.info('[broadcast]: other is {0}'.format(other))
if other in history:
continue
s = ServerProxy(other)
mylogger.info('[broadcast]: Connecting from {0} to {1}'.format(self.url,other))
mylogger.info('*'*80)
try:
code,data = s.query(query,starturl,history)
mylogger.info('[broadcast]: query return code {0}'.format(code))
if code == SUCCESS:
mylogger.info('[broadcast]: query SUCCESS!!!')
return code,data
elif code == NOT_EXIST:
mylogger.info('[broadcast]: query NOT_EXIST!!!')
else:
mylogger.info('[broadcast]: query ACCESS_DENIED!!!')
except Fault, f: # connected to server,but method does not exist(Never happen in this example)
mylogger.warn(f)
mylogger.warn("[broadcast]:except fault")
except socket.error, e:
mylogger.warn("[broadcast]:except socket error")
mylogger.error('[broadcast]: {0} for {1}'.format(e,other))
# added by kzl
self.known.remove(other)
def offline(self):
"""
inform others about myself's status(off)
"""
mylogger.info('[offline]')
for other in self.known.copy():
if other == self.url:
continue
s = ServerProxy(other)
try:
# inform other node to remove local node
s.remove_node(self.url)
except Fault,f:
mylogger.warn(f)
mylogger.warn('[offline]: {0} started but inform failed'.format(other))
except socket.error,e:
mylogger.error('[offline]: {0} for {1}'.format(e,other))
def offline(self):
"""
inform others about myself's status(off)
"""
mylogger.info('[offline]')
for other in self.known.copy():
if other == self.url:
continue
s = ServerProxy(other)
try:
# inform other node to remove local node
s.remove_node(self.url)
except Fault, f:
mylogger.warn(f)
mylogger.warn(
'[offline]: {0} started but inform failed'.format(other))
except socket.error, e:
mylogger.error('[offline]: {0} for {1}'.format(e, other))
def online(self):
"""
inform others about myself's status(on)
"""
mylogger.info('[online]')
for other in self.known.copy():
if other == self.url:
continue
s = ServerProxy(other)
try:
# inform other node to add local node
files = self.get_local_files()
s.add_node(self.url,files)
except Fault,f:
mylogger.warn(f)
mylogger.warn('[online]: {0} started but inform failed'.format(other))
except socket.error,e:
mylogger.error('[online]: {0} for {1}'.format(e,other))
def online(self):
"""
inform others about myself's status(on)
"""
mylogger.info('[online]')
for other in self.known.copy():
if other == self.url:
continue
s = ServerProxy(other)
try:
# inform other node to add local node
files = self.get_local_files()
s.add_node(self.url, files)
except Fault, f:
mylogger.warn(f)
mylogger.warn(
'[online]: {0} started but inform failed'.format(other))
except socket.error, e:
mylogger.error('[online]: {0} for {1}'.format(e, other))
lt = []
s = ServerProxy(other)
try:
#mylogger.info("[list_other]: call list_local 3")
# since we connect to other,introduce self.url to other
# inform other node to add local node
files = self.get_local_files()
s.add_node(self.url, files)
# introduce self.url to other
lt = s.list_local()
except Fault, f:
mylogger.warn(f)
mylogger.warn(
'[list_other]: {0} started but list failed'.format(other))
except socket.error, e:
mylogger.error('[list_other]: {0} for {1}'.format(e, other))
#mylogger.warn('[list_other]: {0} not started'.format(other))
except Exception, e:
mylogger.warn(e)
mylogger.warn("[online]: Exception")
finally:
return lt
def update_local_list(self):
"""
update method
list all files in local node
"""
mylogger.info('[update_local_list]: update local list')
temp = self.list_local()
if not list_equal(temp, self.local_files):
mylogger.info('[list_other]: list files in {0}'.format(other))
lt = []
s = ServerProxy(other)
try:
#mylogger.info("[list_other]: call list_local 3")
# since we connect to other,introduce self.url to other
# inform other node to add local node
files = self.get_local_files()
s.add_node(self.url,files)
# introduce self.url to other
lt = s.list_local()
except Fault,f:
mylogger.warn(f)
mylogger.warn('[list_other]: {0} started but list failed'.format(other))
except socket.error,e:
mylogger.error('[list_other]: {0} for {1}'.format(e,other))
#mylogger.warn('[list_other]: {0} not started'.format(other))
except Exception, e:
mylogger.warn(e)
mylogger.warn("[online]: Exception")
finally:
return lt
def update_local_list(self):
"""
update method
list all files in local node
"""
mylogger.info('[update_local_list]: update local list')
temp = self.list_local()
if not list_equal(temp,self.local_files):