result = data[8:]
proposed = json.loads(result)
reply = acceptor.receivePropose(proposed)
s.send("ACK:" + json.dumps(reply))
# Else if we have received an ACK-message, an acceptor has accepted our proposal,
# forwards this to the proposer, which in turn broadcasts an accept-message if
# it has the majority of the acceptors accept its proposal
elif data[0:4] == "ACK:":
result = data[4:]
result = json.loads(result)
reply = proposer.receivePromise(result)
if reply == "RESTART":
# In this case, propose your own value again, before others in queue
proposemessage = json.dumps(
proposer.prepare(proposer.myValue))
broadcast("PROPOSE:" + proposemessage)
# When majority is received, check if conflict has occured (previous proposal accepted,
# but not decided), if so, insert post first in queue.
elif reply != None:
if reply['conflict'] != None:
post = reply['conflict']
posts.insert(0, post)
# Conflict occured, add post to begining of posts, continue as normal
del reply['conflict']
reply = json.dumps(reply)
broadcast("ACCEPT:" + reply)
# Else if we have received an accept-message, forward this to the acceptor
# which in turn responds an accepted-message if it accepted the value
elif data[0:7] == "ACCEPT:":
result = data[8:]
proposed = json.loads(result)
reply = acceptor.receivePropose(proposed)
s.send("ACK:"+json.dumps(reply))
# Else if we have received an ACK-message, an acceptor has accepted our proposal,
# forwards this to the proposer, which in turn broadcasts an accept-message if
# it has the majority of the acceptors accept its proposal
elif data[0:4] == "ACK:":
result = data[4:]
result = json.loads(result)
reply = proposer.receivePromise(result)
if reply == "RESTART":
# In this case, propose your own value again, before others in queue
proposemessage = json.dumps(proposer.prepare(proposer.myValue))
broadcast("PROPOSE:"+proposemessage)
# When majority is received, check if conflict has occured (previous proposal accepted,
# but not decided), if so, insert post first in queue.
elif reply != None:
if reply['conflict'] != None:
post = reply['conflict']
posts.insert(0, post)
# Conflict occured, add post to begining of posts, continue as normal
del reply['conflict']
reply = json.dumps(reply)
broadcast("ACCEPT:"+reply)
# Else if we have received an accept-message, forward this to the acceptor
# which in turn responds an accepted-message if it accepted the value
def test_Post(self):
global proposer
blogpost = "test"
proposal = {'senderID': 3, 'proposalID': 13}
self.assertEqual(proposal, proposer.prepare(blogpost))
def test_Post(self):
global proposer
blogpost = "test"
proposal = {'senderID': 3, 'proposalID' : 13}
self.assertEqual(proposal, proposer.prepare(blogpost))