def start(self):
super(self.__class__, self).start()
print 'Node %d started' % (self.addr,)
self.client_journal = ClientJournal(self)
self.txn_journal = TransactionJournal(self)
for cookie in self.txn_journal.pendingOperations:
self.completed_transactions.add(cookie)
for command in self.client_journal.commands:
node_addr, cmd_name, cmd_str = command.split(None, 2)
proc = self.op(cmd_name, cmd_str)
self.pending_cmds[command] = proc
value = proc.next()
self.act(int(node_addr), command, value)
self.tid = self.client_journal.count
# wrap up a commit that we failed during, if necessary:
commit_snap = SnapshotCommitJournal(self, self.fs)
commit_snap.completePendingOps()
# Manually set up Paxos
nodes = {0, 1, 2}
nodes.remove(self.addr)
other_nodes = ' '.join(str(addr) for addr in nodes)
PaxosNode.onCommand(self, 'paxos_setup ' + other_nodes)
def __init__(self):
PaxosNode.__init__(self)
ClientNode.__init__(self)
self.pending_cmds = {}
self.sid = 0
self.last_sid = 0
self.tid = 0
self.pid = 0
self.completed_transactions = set()
self.snapshots = {}
self.cache = TTLDict()
self.op = RemoteOp()
self.pending_proposals = {}
def onRIOReceive(self, from_addr, protocol, msg):
ServerNode.onRIOReceive(self, from_addr, protocol, msg)
ClientNode.onRIOReceive(self, from_addr, protocol, msg)
PaxosNode.onRIOReceive(self, from_addr, protocol, msg)
