def joinServer(self, id):
# start replica server
p = Process(target=spinUpServer, args=(self.openPort,))
p.start()
time.sleep(self.wait) # wait for server.serve() [messy]
# set up RPC to replica server
transport = TSocket.TSocket('localhost', self.openPort)
transport = TTransport.TBufferedTransport(transport)
protocol = TBinaryProtocol.TBinaryProtocol(transport)
replica = Replica.Client(protocol)
transport.open()
replica.setID(id)
# connect everyone
for sid, server in self.stubs.items():
# stubs contains replicas and clients, only connect new server to
# existing servers
if sid not in self.replicas:
continue
self.transports[sid].open()
server.addConnection(id, self.openPort)
self.transports[sid].close()
replica.addConnection(sid, self.ports[sid])
transport.close()
self.ports[id] = self.openPort
self.procs[id] = p
self.replicas.add(id)
self.stubs[id] = replica
self.transports[id] = transport
self.openPort += 1
def addConnection(self, id, port):
transport = TSocket.TSocket('localhost', port)
transport = TTransport.TBufferedTransport(transport)
protocol = TBinaryProtocol.TBinaryProtocol(transport)
replica = Replica.Client(protocol)
transport.open()
self.reachable.add(id)
self.stubs[id] = replica
self.transports[id] = transport
transport.close()
return id in self.reachable