def parseMessageBCS(msg):
# Forward messages
if type(msg) == messages.Register: backup_servers.backupQueueAppend(copy.deepcopy(msg))
else: backup_servers.registerQueueAppend(copy.deepcopy(msg))
# Parse
if type(msg) == messages.Register:
if not msg.Deregister:
print("% -> Register component #{:d} - {:s}".format(msg.Id, msg.Type))
components.add(msg)
else:
print("% -> Deregister component #{:d} - {:s}".format(msg.Id, msg.Type))
component = components.get(msg.Id)
component.dead = True
problems.release(component.id)
elif type(msg) == messages.SolveRequest:
print("% -> SolveRequest")
problems.add(msg)
elif type(msg) == messages.SolvePartialProblems:
print("% -> SolvePartialProblems")
problem = problems.list[msg.Id]
problem.updateWithDivide(msg)
elif type(msg) == messages.Solutions:
print("% -> Solutions")
problem = problems.list[msg.Id]
problem.updateWithSolutions(msg)
elif type(msg) == messages.NoOperation:
print("% -> NoOperation")
# update backup server list
else:
print("% ? {:s}".format(str(msg)))
def registerTMCN(conn, msg):
id = components.add(msg)
print("-> Register :: #{id:d} Type: {type:s}".format(type=msg.Type, id=id))
response = messages.RegisterResponse(id, config.timeout, components.getBackupServersList())
conn.send(response)
backup_msg = copy.deepcopy(msg)
backup_msg.Id = id
backup_servers.registerQueueAppend(backup_msg)
def registerBCS(conn, msg):
peer = conn.socket.getpeername()
# Current main CS decides component id, if msg.Id exists -> components.add preserves it
id = components.add(msg, (peer[0], peer[1]))
# Current server has no backups
if config.child_address == None and config.child_port == None:
print("-> Register BCS :: #{id:d}".format(id=id))
config.child_address = peer[0]
config.child_port = peer[1]
config.child_id = id
response = messages.RegisterResponse(id, config.timeout, [])
conn.send(response)
# Send accumulated register messages queue
for registerMsg in backup_servers.getRegisterMessages():
conn.send(registerMsg)
# Forward BCS to first backup server
else:
print("-> Send register BCS downstream :: #{id:d}".format(id=msg.Id))
backups = [{
"address": config.child_address,
"port": config.child_port
}]
response = messages.RegisterResponse(msg.Id, config.timeout, backups)
conn.send(response)
