def requestTransfer(self, tid, numChunks, msg):
start = tid
logger.info('Started thread {} for Request {}'.format(
tid, msg[REQUEST_ID]))
# while the reqId is to be downloaded
try:
while start < numChunks:
with self.chunkLeftLock:
ok = (start in self.chunkLeft[msg[REQUEST_ID]][1])
msg[CHUNK_NO] = start
while ok:
logger.info(
'Asking Chunk {} for Request {} from {} ({})'.format(
start, msg[REQUEST_ID], msg[DEST_IP],
msg[DEST_GUID]))
network.send(msg[DEST_IP], **msg)
time.sleep(TRANS_WAIT)
with self.chunkLeftLock:
ok = (start in self.chunkLeft[msg[REQUEST_ID]][1])
start += NUM_THREADS
except KeyError:
pass
logger.info('Finishing thread {} for Request {}'.format(
tid, msg[REQUEST_ID]))
def _sendCreate(self): network.send(CREATE) if not self._getAck(CREATE): print "PLM, NU MERGE CREAT" return False return True
def broadcast_action_data(self):
frame_data_str = self.frame_data.SerializeToString()
for player_uid, player_conn in self.conn_list.items():
send(player_conn, const.FUNC_NAME_TO_OPCODE["action_data"], frame_data_str)
frame = self.frame_data.frame
self.frame_data = tps_message_pb2.SC_Fight_Message()
self.frame_data.frame = frame + 1
def handle_heartbeat(strs):
print "Received heartbeat.."
instance.last_heartbeat_rcvd = time.time()
if instance.is_master and instance.name != strs[instance.SENDER]:
master.clear_master()
instance.curr_master = strs[instance.SENDER]
instance.nodes = []
nodecount = int(strs[instance.NODECOUNT])
for i in range(4, 4 + nodecount):
s = strs[i]
val = s.split('#')
d = dict()
d['name'] = val[0]
d['password'] = val[1]
d['ip'] = val[2]
d['port'] = val[3]
instance.nodes.append(config.Node(**d))
if val[3] == '0':
network.remove_peer(val[0])
reply = "master:heartbeatreply"
network.send(instance.curr_master, reply)
video_name = strs[4 + nodecount]
video_ip = strs[5 + nodecount]
video_port = int(strs[6 + nodecount])
for i in range(8 + nodecount, len(strs)):
instance.chat_msgs += ":" + strs[i]
api.update_video_source(video_name, video_ip, video_port)
def run():
picture = camera.tomat()
storage.picture = picture
cv2.imshow("Original", picture)
cv2.setMouseCallback("Original", click_get_hsv)
coordinates = worker.process2(picture)
if (coordinates.found()):
network.send(coordinates)
def _sendStart(self): network.send(START) if not self._getAck(START): print "PLM, NU MERGE START" else: state.in_game = True state.in_game_lobby = False
def _sendJoin(self, game_id): network.send(JOIN + str(game_id)) print "JOIN ", game_id if not self._getAck(JOIN): print "PLM, NU MERGE JOIN" return False return True
def send_text_msg(text):
msg = "node:textmsg:" + text
instance.gmutex.acquire()
for peer in network.get_connection_list():
if peer == instance.name:
continue;
network.send(peer, msg)
instance.gmutex.release()
def _update_clients(self, message, exclude=None):
log_event_send(message['event'], message['args'], label='Server')
for name, sock in self.current_players.items():
if name != exclude:
network.send(sock, message)
if self.local_player != exclude:
self.local_interface.handle(message)
def send_video_req():
instance.gmutex.acquire()
if instance.is_master:
msg = instance.name + ":master:videoreq:" + instance.local_ip + ":" + str(instance.video_port)
master.handle_message(msg, None)
else:
msg = "master:videoreq:" + instance.local_ip + ":" + str(instance.video_port)
network.send(instance.curr_master, msg)
instance.gmutex.release()
def _update_clients(self, message, exclude=None):
log_event_send(message['event'], message['args'], label='Server')
for name, sock in self.current_players.items():
if name != exclude:
network.send(sock, message)
if self.local_player != exclude:
self.local_interface.handle(message)
def send_video_stop_req():
instance.gmutex.acquire()
if instance.is_master:
msg = instance.name + ":master:videostop"
master.handle_message(msg, None)
else:
msg = "master:videostop"
network.send(instance.curr_master, msg)
instance.gmutex.release()
def send_text_msg(text):
msg = "node:textmsg:" + text
instance.gmutex.acquire()
log_text_msg(instance.name, text)
gui.append_chat_msg(time.strftime("%H-%M-%S"), instance.name, text)
for peer in network.get_connection_list():
if peer == instance.name:
continue;
network.send(peer, msg)
instance.gmutex.release()
def game_list(session):
while(1):
network.send( session, packet.gamelist_request())
time.sleep(1)
a = network.receive( session )
if a==None: continue
if a["__type"] == "GameListReply:#Messages.ReplyMessages":
return session, a["GameInfo"]
else:
log.warning("Unexpected packet received: " + str(a) )
return session, None
def sendPing(self, destGUID, destIP):
pingMsg = {
TYPE: PING,
SEND_IP: MY_IP,
SEND_GUID: self.myGUID,
DEST_IP: destIP,
DEST_GUID: destGUID
}
network.send(pingMsg[DEST_IP], **pingMsg)
self.mutexPP.acquire()
self.sentPing.append(destGUID)
self.mutexPP.release()
def findContent(self, searchQ):
# Check for minimum query size
if len(searchQ) < QUERY_MIN_SIZE:
print("Query too small!")
return
with self.queryResLock:
if self.queryResQueue.qsize() >= QUERY_QUEUE:
print("Throwing away older queries!")
while self.queryResQueue.qsize() >= QUERY_QUEUE:
which = self.queryResQueue.get()
del self.queryRes[which]
logger.warning('Throwing away query {}'.format(which))
qId = network.generate_uuid_from_guid(self.GUID, self.queryCnt)
self.queryRes[qId] = []
self.queryResQueue.put(qId)
self.save_queryResQueue(qId) # Save State
self.save_queryRes() # Save State
logger.info('Generated Query {}'.format(qId))
queryMsg = {
TYPE: QUERY,
SEND_IP: MY_IP,
SEND_GUID: self.GUID,
SOURCE_IP: MY_IP,
SOURCE_GUID: self.GUID,
SEARCH: searchQ,
QUERY_ID: qId
}
self.queryCnt += 1
# Caching for ignoring repeated
with self.repQuerLock:
while self.repQuerQueue.qsize() >= REP_QUERY_CACHE:
self.repQuer.discard(self.repQuerQueue.get())
self.repQuer.add(queryMsg[QUERY_ID])
self.repQuerQueue.put(queryMsg[QUERY_ID])
self.save_repQuerQueue(queryMsg[QUERY_ID]) # Save State
logger.info('Adding query {} to cache'.format(queryMsg[QUERY_ID]))
# Sending Query to neighbours for flooding
for neighbours in self.routTab.neighbours():
queryMsg[DEST_IP] = neighbours[0]
queryMsg[DEST_GUID] = neighbours[1]
network.send(queryMsg[DEST_IP], **queryMsg)
logger.info('Sending query to neighbour {} ({})'.format(
queryMsg[DEST_IP], queryMsg[DEST_GUID]))
print("Query Id: {}".format(qId))
def send_heartbeats():
data = gen_heartbeat_str()
print "Sending heartbeats..", data
for peer in network.get_connection_list():
if peer not in instance.heartbeat_time:
instance.heartbeat_time[peer] = time.time()
if (time.time() - instance.heartbeat_time[peer]) >= instance.HEARTBEAT_TIMEOUT:
print "Timeout: ", peer, "Current time: ", time.time(), "Last replied: ", instance.heartbeat_time[peer]
#TODO: handle timeout
else:
network.send(peer, data)
#print "Heartbeat reply times:", instance.heartbeat_time
api.update_video_source(instance.curr_video_name, instance.curr_video_ip, instance.curr_video_port)
def __init__(self, room_id, conn_list):
self.frame_data = tps_message_pb2.SC_Fight_Message()
self.frame_data.frame = 1
self.order_list = []
self.conn_list = conn_list
ready_list = {}
self.ready_list = ready_list
self.room_id = room_id
msg = create_rpc_data({"func_name": "RoomCreateSuccess"})
for player_uid, player_conn in conn_list.items():
ready_list[player_uid] = False
room_index[player_uid] = room_id
send(player_conn, const.FUNC_NAME_TO_OPCODE["rpc_command"], msg)
def _handleLogin(self, **params):
user = params.get("USER")
password = params.get("PASS")
message = LOGIN + " " + user + " " + password
# Send the credentials
network.send(message)
ans = network.recv()
if ans == "ok":
return True
return False
def game_start(asd, gamers):
# schnelles durchprobieren, ob genug spieler da sind
amount_players = 0
for i in range(0, 4): # enough players or bots
if gamers[i] in [1, 2, 4]: # human, bot or networkplayer
amount_players += 1
if amount_players in [0, 1]:
return
del amount_players
for i in range(4): # players with no names
if start_window.names[i].get_text() == "" and start_window.sel_but.get_active_text() != "Closed":
start_window.bgohg = gtk.MessageDialog(message_format="Ein Spieler hat keinen Namen")
start_window.bgohg.show_all()
return
# game can begin
if network.hosting:
network.send("g")
for i in range(4):
if start_window.sel_but[i].get_active_text() != "Network":
network.gamedetails.op.append(i)
# set players
print(network.gamedetails.op)
for i in range(0, 4):
if start_window.loaded:
break
if gamers[i]:
game.players[i] = plun.player(i, "balubel")
game.players[i].name = start_window.names[i].get_text()
else:
game.players[i] = 0
# Make sure that the grave of the other players is grey
surface.restrict_to_player(game.memo.act_pl.nr)
start_window.optwindow.hide()
start_window.joinwindow.hide()
start_window.hide()
surface.set_visi(True)
# todo: network stuff
# send msg to clients that the game has started
# send playernames to the server and otherway round
# send rules of the game
surface.pre_render(game.players)
game.newgame()
surface.set_msg(game.memo.get_plstr() + "\nstarts the game")
def __init__(self, myAddr, otherAddrs):
self.running = True
self.myAddr = myAddr
self.otherAddrs = otherAddrs
self.num_elems = 3 # there are 3 entries in our multi-paxos log.
# For each log element that we need to reach consensus on,
# make a PaxosNode, arrange to have its outgoing msgs
# tagged with its element index, and give it a function
# it can use to communicate with the other nodes' PaxosNodes
# that correspond to that particular array element.
#
# Note the incredibly shitty "i=i" expr in the lambda.
# Without it, the value i resolves to the max value of all i's in the range.
# (This is bad.)
self.paxosNodes = []
for i in range(self.num_elems):
p = PaxosNode(
nodeid=(self.myAddr, i),
otherAddrs=[(o, i) for o in otherAddrs],
sendfn=lambda d, i=i: network.send(d['to'][0], {
'paxos': True,
'elem': i,
'msg': d
}) # [0]: to get the IP addr from the (addr,elementindex) nodeid
)
self.paxosNodes.append(p)
def login(fname, lname, anumber, alias, endpoint, label=None):
if label==None: label=alias
id = packet.ID()
id.fname = fname
id.lname = lname
id.alias = alias
id.anumber = anumber
session = Session()
#only ipv4 for now. Splits port from IP
(address, port) = endpoint.split(":")
port = eval(port)
session.registry = (address,port)
session.id = id
while session.socket == None:
session.socket = network.create_socket()
log.info("Logging in")
#While we're still waiting on a login reply, keep listening
status = 0
while(session.login == False):
network.send( session, packet.login_request(session.id, label) )
time.sleep(1)
data = network.receive(session)
if data==None: continue
if(data["__type"] == "LoginReply:#Messages.ReplyMessages"):
if(data["Success"]):
log.info("Login succeeded")
session.procinfo = data["ProcessInfo"]
session.login = True
else:
log.error("Login failed")
log.error("Error message was: "+ data["Note"])
return session
else:
log.warning("Unexpected packet received: " + str(data) )
return session
def get_ready(self, player_uid):
self.ready_list[player_uid] = True
is_all_ready = True
for _, is_ready in self.ready_list.items():
if not is_ready:
is_all_ready = False
break
if is_all_ready:
msg = create_rpc_data({"func_name": "AllPlayerGameReady"})
for player_uid, player_conn in self.conn_list.items():
send(player_conn, const.FUNC_NAME_TO_OPCODE["rpc_command"], msg)
def timer_callback():
self.broadcast_action_data()
print time.time()
self.room_timer = timer.create_timer(timer_callback, 1, -1)
def parse(data,addr,session):
log.debug("Parsing: "+data)
try:
packet = json.loads(data)
#Bad packet - Log error and return None (Try to keep working)
except json.decoder.JSONDecodeError:
log.error("Bad JSON Packet: " + data)
return None
#reply request - handle and return None
if( packet["__type"] == "AliveRequest:#Messages.RequestMessages" ):
log.debug("Sending KeepAlive Reply")
network.send(session,alive_reply())
return None
return packet
def __init__(self,myAddr,otherAddrs):
self.running = True
self.myAddr = myAddr
self.otherAddrs = otherAddrs
self.num_elems = 3 # there are 3 entries in our multi-paxos log.
self.paxosNodes = []
for i in range(self.num_elems):
p = PaxosNode( nodeid=(self.myAddr,i),
otherAddrs=[(o,i) for o in otherAddrs],
sendfn=lambda d,i=i: network.send(d['to'][0],{'paxos':True,'elem':i,'msg':d}) # [0]: to get the IP addr from the (addr,elementindex) nodeid
)
self.paxosNodes.append(p)
def update(network, force=False):
deets = None
while True:
# send local teams' deets
if players == 3:
network.send(teams[2].deets, force)
deets = network.send(teams[0].deets, force)
if deets is not None or not force:
break
# update remote teams' deets (if they were retrieved before a timeout)
if deets is not None:
if players == 2:
teams[1].update(deets[1 - teams[0].teamID])
elif players == 3:
teams[1].update(deets[1 - teams[0].teamID])
teams[3].update(deets[3 - teams[0].teamID])
elif players == 4:
for t in range(3):
try:
teams[t + 1].update(deets[teams[t + 1].teamID])
except:
pass
else:
if players == 2:
teams[1].ships[0].move()
elif players == 3:
teams[1].ships[0].move()
teams[3].ships[0].move()
elif players == 4:
for t in range(3):
try:
teams[t + 1].ships[0].move()
except:
pass
return deets
def joinNetwork(self, bootstrapIP):
# Create a Join Message and send it to the bootstrap peer
joinMsg = {
TYPE: JOIN,
SEND_IP: MY_IP,
DEST_IP: bootstrapIP,
}
# Wait for the JOIN_ACK message
while not self.isJoined:
# If error sending JOIN message
while not network.send(bootstrapIP, **joinMsg):
time.sleep(ERROR_RETRY)
logger.warning(
'Failed to send JOIN message to {}'.format(bootstrapIP))
logger.info('Sent JOIN message to {}'.format(bootstrapIP))
clientsock, address = self.sock.accept()
if address[0] == bootstrapIP:
data = network.receive(clientsock)
if data and data[TYPE] == JOIN_ACK:
self.GUID = data[DEST_GUID]
self.isJoined = True
# Initialise RT
self.routTab.initialise(rt=data[ROUTING],
myGUID=self.GUID,
Central_GUID=data[SEND_GUID],
Central_IP=bootstrapIP)
# State Details
print("Joined Network! Your GUID: {}".format(self.GUID))
logger.info('Joined Network! GUID: {}'.format(self.GUID))
def networkPoll(self):
data = network.getInput()
for e in data:
a = e[0] # adress
e = e[1] # message
# print e
if e[0] == "g": # gamestart
game_start("lan", self.pl)
elif e[0] == "d":
if network.hosting:
network.send(e, a, True)
game.throw_the_dice("butter", inp=int(e[1]))
elif e[0] == "z":
if network.hosting:
print("MUHAHAHA") # this is called repeatedly
network.send(e, a, True)
game.actio(int(e[2]), None, int(e[1]), fr=True) # actio(doing,player,unit)
elif e[0] == "o": # optionsaenderung #TODO might not work, hasnt been tested
if e[1] == "c": # change chessmod
self.optwindow.chessmod.set_active(int(e[1]))
# self.optwindow.chessmod.toggled()
elif e[1] == "j": # change jumps
self.optwindow.check_jumps.set_active(int(e[1])) # TODO geht nicht, und nur host darf das aendern
else:
continue
elif e[0] == "s": # spieleraenderung
try:
num = int(e[1]) # which player
except:
continue
if e[2] == "n": # name
self.names[num].set_text(e[3:])
elif e[2] == "c": # controlled how
t = {"h": 0, "n": 3, "b": 2, "c": 1}[e[3]]
self.sel_but[num].set_active(t)
else:
continue
elif e[0] == "e": # end of turn
if network.hosting: # send it to everyone else
network.send("e", adress=a, n=True)
game.next_pl("nw")
else: # nix
continue
return 1
def send_to_all(self, message):
for player in self.players:
if player.is_connected():
send(message, player.connection)
def process_respondable(self, key, word, connection_to_player):
print("Processing: ", key,
str(word).replace('\n', ' '),
str(connection_to_player)[-19:-1])
if key == 'name':
for player in self.players:
if not player.connected and hasattr(
player, 'name') and player.name == word:
player.connect(word, connection_to_player)
print(word + " reconnected.")
return_table = []
for card in self.table:
return_table.append([card.suit, card.number])
send(
{
'connection': True,
'reply': word + ' reconnected to ' + self.name,
'chat': self.chat,
'hand': player.hand_to_list(),
'players': self.players_name_list(),
'table': return_table,
'turn': self.turn
}, player.connection)
self.send_to_all()
return
if not player.connected and not hasattr(player, 'name'):
player.connect(word, connection_to_player)
print(word + " connected.")
return_table = []
for card in self.table:
return_table.append([card.suit, card.number])
send(
{
'connection': True,
'reply': word + ' connected to ' + self.name,
'chat': self.chat,
'hand': player.hand_to_list(),
'table': return_table,
'turn': self.turn
}, player.connection)
self.send_to_all(
to_dict('players', self.players_name_list()))
return
print(self.players_name_list())
send({
'connection': False,
'reply': self.name + ' is full'
}, connection_to_player)
elif key == 'picture':
for player in self.players:
if player.is_connected(connection_to_player):
player.picture = word
break
for player in self.players:
if player.is_connected():
self.send_to_all(
to_dict('picture',
[player.turn_number, player.picture]))
elif key == 'chat':
for player in self.players:
if player.is_connected(connection_to_player):
self.chat += player.name + ": " + word + '\n'
self.send_to_all(to_dict("chat",
player.name + ": " + word))
elif key == 'disconnected':
for player in self.players:
if player.is_connected(connection_to_player):
player.disconnect()
self.send_to_all(
to_dict('reply', player.name + " disconnected."))
elif key == 'report':
for player in self.players:
if player.is_connected(connection_to_player):
self.send_to_all(
to_dict("reply", player.name + " reported himself"))
elif key == 'pass':
for player in self.players:
if player.is_connected(
connection_to_player) and player.my_turn():
if self.passs():
self.table = []
self.send_to_all(to_dict("table", self.table))
self.next_turn()
self.send_to_all(to_dict('turn', self.turn))
elif key == 'play':
for player in self.players:
if player.is_connected(
connection_to_player) and player.my_turn():
play_list = []
for card_list in word:
play_list.append(Card(card_list[0], card_list[1]))
play = Play(play_list)
if play.value() and play > Play(self.table):
self.table = play_list.copy()
self.next_turn()
for player in self.players:
if player.is_connected(connection_to_player):
player.hand = [
card for card in player.hand
if not card in play_list
or play_list.remove(card)
]
send({'hand': player.hand_to_list()},
connection_to_player)
return_table = []
for card in self.table:
return_table.append(
[card.suit, card.number])
self.send_to_all({
"table":
return_table,
'players':
self.players_name_list()
})
else:
for player in self.players:
if player.is_connected(connection_to_player):
send(to_dict("reply", "Bad play"),
player.connection)
else:
if player.is_connected(connection_to_player):
send(to_dict("reply", "Not your turn"),
player.connection)
else:
print("Unknown key ", key, " : ", word)
def LCMPRequestHandler(connection, lcmpPacket, connectionTable, sessionID):
""" Beschreibung: wird von connectionHandler() aufgerufen und bearbeitet
LCMP-Pakete mit "Request"-Typ. Der OpType des Pakets
wird mit geprüft und je nach Wert, werden andere Aktionen
ausgeführt. Diese Aktionen generieren mind. einen Fehler-
code und oft auch Daten. Beides wird am Ende an den Client
zurückgesendet (als "Answer"-Typ und mit dem gleichen
OpType, wie der, der Request-Anforderung)
Parameter: (socket)connection: Enthält die Verbindungsinformationen des
Client.
(tuple)lcmpPacket: Enthält die Daten eines LCMP-Paketes
(list)connectionTable: Enthält alle noch aktiven Verbindungen
(int)sessionID: Die aktuelle ID der Session
Rückgabewert: Keiner
Exceptions: LCMPError
"""
errorcode = 0
data = ""
opType = lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]]
sessionName = ""
connectionTable_sessionIDs = getSessionIDs(connectionTable)
# Hat die Session schon einen zugehörigen Computernamen? Dann zeige ihn an.
if connectionTable[connectionTable_sessionIDs.index(sessionID)][2] == "":
sessionName = "Session %s" % sessionID
else:
sessionName = connectionTable[connectionTable_sessionIDs.index(sessionID)][2]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Client requests: %s with data: %s\n" % (threading.currentThread().name,
sessionName,
lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]],
lcmpPacket[lcmp.LCMP_INDICES["Data"]]),
log.LOGLEVEL["info"])
# Dieser Try-Block soll alle Fehler abfangen, die innerhalb des Data-Backends auftreten
# natürlich können damit auch andere Fehler abgefangen werden, die dann gesondert behandelt
# werden müssen
try:
if (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["quitConnection"]):
errorcode = 0
data = "Goodbye"
connectionTable_sessionIDs = getSessionIDs(connectionTable)
# Entferne sessionID aus connectionTable, wenn der Client die Verbindung beendet.
connectionTable.remove(connectionTable[connectionTable_sessionIDs.index(sessionID)])
# Client Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
# Setze interne Optionen und überschreibe benutzerdefinierte Optionen, wenn jemand versucht
# die internen Optionen so zu überschreiben
options["last-seen"] = "never"
options["created-on"] = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
if "scriptmember" in options:
del options["scriptmember"]
if errorcode == 0:
errorcode = data_backend.addClient(name, options)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.removeClient(name)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["modifyClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.modifyClient(name, options)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["getClients"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.getClients()
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Gruppen Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
# Wenn keine Parent-Gruppe angegeben ist, nehme die 'root'-Gruppe
if not 'parent' in options:
options["parent"] = "root"
else:
# Prüfen, ob die parentGruppe existiert
if not options["parent"] in data_backend.getGroupNames()[1]:
errorcode = error.ERRORS["ParentGroupDoesNotExist"]
# Lösche interne Optionen, wenn jemand versucht, die internen Optionen so zu überschreiben
if "member" in options:
del options["member"]
if "scriptmember" in options:
del options["scriptmember"]
if errorcode == 0:
errorcode = data_backend.addGroup(name, options)
data = ""
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.removeGroup(name)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["modifyGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.modifyGroup(name, options)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["getGroups"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.getGroups()
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Script Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addScript"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
if 'path' in options:
if not core.doesFileExist(options['path']):
errorcode = error.ERRORS['ScriptDoesNotExistInFilesystem']
else:
options["md5"] = core.getMD5(options['path'])
if not 'active' in options:
options['active'] = "true"
elif options['active'] == "true" or\
options['active'] == "yes" or\
options['active'] == "1":
options['active'] = "true"
elif options['active'] == "false" or\
options['active'] == "no" or\
options['active'] == "0":
options['active'] = "false"
else:
options['active'] = "true"
errorcode = data_backend.addScript(name, options)
else:
errorcode = error.ERRORS['IllegalNumberOfParameters'] # TODO: Neuen Errorcode
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeScript"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.removeScript(name)
else: # parseNameAndOptions() hat nicht funktioniert
pass
# der errorcode von parseNameAndOptions wird im LCMP-Errorfeld
# zurückgesendet und muss nicht mehr gesetzt werden
data = "" # Es müssen keine Nutzdaten zurückgesendet werden, also kann das Feld leer bleiben
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["modifyScript"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, name, options = parseNameAndOptions(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
errorcode = data_backend.modifyScript(name, options)
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["getScripts"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.getScripts()
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["getScripts"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.getScriptsFull()
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Client & Gruppen Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addClientToGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.addClientToGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeClientFromGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.removeClientFromGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showClientsOfGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showClientsOfGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showGroupsOfClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showGroupsOfClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Client & Skript Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addScriptToClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.addScriptToClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeScriptFromClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.removeScriptFromClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showScriptsOfClient"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showScriptsOfClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showClientsOfScript"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showClientsOfScript(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Gruppen & Skript Operationen
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["addScriptToGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.addScriptToGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["removeScriptFromGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode = data_backend.removeScriptFromGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[0], lcmpPacket[lcmp.LCMP_INDICES["Data"]].split(' ')[1])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showScriptsOfGroup"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showScriptsOfGroup(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["showGroupsOfScript"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
errorcode, data = data_backend.showGroupsOfScript(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["sendScript"]):
# prüfe zuerst ob der Hostname in der Verbindungstabelle verfügbar ist
connectionTable_sessionIDs = list()
for i in connectionTable:
connectionTable_sessionIDs.append(i[0])
hostname = connectionTable[connectionTable_sessionIDs.index(sessionID)][2]
if hostname != "":
# Es ist ein Hostname vorhanden, fahre fort
scripts = data_backend.getScriptsForClient(hostname)[1]
if lcmpPacket[lcmp.LCMP_INDICES["Data"]] in scripts:
errorcode, scriptpath = data_backend.getScriptpath(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
if errorcode == 0:
if data_backend.getScriptActive(lcmpPacket[lcmp.LCMP_INDICES["Data"]]):
if core.doesFileExist(scriptpath):
scriptFd = open(scriptpath)
scriptcontent = ""
for line in scriptFd:
scriptcontent += line
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Sende Skript '%s' (%s) an Client\n" %
(threading.currentThread().name,
sessionName,
lcmpPacket[lcmp.LCMP_INDICES["Data"]],
scriptpath),
log.LOGLEVEL["info"])
errorcode = 0
data = scriptcontent
else:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Das Skript wurde im Dateisystem nicht gefunden\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["ScriptDoesNotExistInFilesystem"]
data = ""
else:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Das Skript wurde von einem Administrator deaktiviert\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["ScriptIsDeactivated"]
data = ""
else:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Das Skript ist in der Datenbank des Servers nicht vorhanden\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["ScriptNotRegistered"]
data = ""
else:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Das Skript ist diesem Client nicht zugewiesen\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["ScriptDoesntBelongToClient"]
data = ""
else:
core.writeLogLV(config_backend.getLogfile(),
"%s: %s: Dem Server ist der Hostname dieses Clients noch nicht bekannt" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["NoHostnameGiven"]
data = ""
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["getScriptsForClient"]):
# Berechne Skripte für Client (Achtung: scriptsForClient ist eine Liste!!
errorcode, scriptsForClient = data_backend.getScriptsForClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]])
# Ist der Client überhaupt registriert? Data_Backend gibt Fehler wenn Client nicht vorhanden ist
if errorcode == error.ERRORS["ClientNotRegistered"]:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Client ist nicht im Data-Backend vorhanden\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["ClientNotRegistered"] # TODO: überflüssig?
data = "[]"
# sind überhaupt scripte für den client vorhanden?
elif scriptsForClient == list(): # leere Liste
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Dem Client sind keine Skripte zugewiesen:\n" %
(threading.currentThread().name,
sessionName),
log.LOGLEVEL["warning"])
errorcode = error.ERRORS["NoScriptsForClient"]
data = "[]"
# aktualisiere das Feld 'last-seen' beim Client
data_backend.modifyClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]], {'last-seen':datetime.now().strftime("%Y-%m-%d %H:%M:%S")})
else:
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Dem Client sind diese Skripte zugewiesen: %s\n" %
(threading.currentThread().name, sessionName, scriptsForClient),
log.LOGLEVEL["info"])
# Hostnamen in ConnectionTable eintragen
connectionTable_sessionIDs = list()
for i in connectionTable:
connectionTable_sessionIDs.append(i[0])
connectionTable[connectionTable_sessionIDs.index(sessionID)][2] = lcmpPacket[lcmp.LCMP_INDICES["Data"]]
# aktualisiere das Feld 'last-seen' beim Client
data_backend.modifyClient(lcmpPacket[lcmp.LCMP_INDICES["Data"]], {'last-seen':datetime.now().strftime("%Y-%m-%d %H:%M:%S")})
data = str(scriptsForClient)
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["sendReturnCode"]):
connectionTable_sessionIDs = list()
for i in connectionTable:
connectionTable_sessionIDs.append(i[0])
scriptname = lcmpPacket[lcmp.LCMP_INDICES["Data"]]
rc = lcmpPacket[lcmp.LCMP_INDICES["Errorcode"]]
clientname = connectionTable[connectionTable_sessionIDs.index(sessionID)][2]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: Client %s hat das Skript %s mit Code %s ausgeführt\n" %
(threading.currentThread().name, sessionName, clientname, scriptname, rc),
log.LOGLEVEL["info"])
errorcode = 0
data = "thx"
elif (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["printSessions"]):
# prüfe, ob die Session dazu berechtigt ist diesen OpType auszuführen
if getSession(connectionTable, sessionID)[1] in config_backend.getAdminIPs():
print connectionTable
errorcode = 0
data = ""
else:
errorcode = error.ERRORS["NotAllowed"]
data = ""
# Wenn OpType nicht bekannt ist
else:
errorcode = error.ERRORS["NotImplemented"]
data = lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]]
except error.DataBackendReturnTypeError as e:
errorcode = error.ERRORS["DataBackendReturnTypeError"]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: "\
"%s hat einen falschen Rückgabetypen zurückgegeben "\
"(%s; erwartet wurde %s), "\
"eventuell liegt im Data-Backend-Modul eine fehlerhafte Implementierung von %s "\
"vor. Die aktuelle Operation wird abgebrochen!\n" %
(threading.currentThread().name, sessionName, opType, e.getWrongType(), e.getRightType(), opType),
log.LOGLEVEL["error"])
if config_backend.getDebug():
print traceback.print_exc()
except error.DataBackendReturnValueError as e:
errorcode = error.ERRORS["DataBackendReturnValueError"]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: "\
"'%s' hat einen falschen Rückgabewert zurückgegeben(%s). "\
"Eventuell liegt im Data-Backend-Modul eine fehlerhafte Implementierung von '%s' "\
"vor. Die aktuelle Operation wird abgebrochen!\n" %
(threading.currentThread().name, sessionName, opType, e.getValue(), opType),
log.LOGLEVEL["error"])
if config_backend.getDebug():
print traceback.print_exc()
except error.DataBackendInternalError as e:
errorcode = error.ERRORS["DataBackendInternalError"]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: "\
"%s wurde nicht ordnungsgemäß ausgeführt, "\
"die Fehlermeldung lautet: '%s'. "
"Eventuell liegt im Data-Backend-Modul eine fehlerhafte Implementierung von %s "\
"vor. Die aktuelle Operation wird abgebrochen!\n" %
(threading.currentThread().name, sessionName, opType, e.getValue(), opType),
log.LOGLEVEL["error"])
if config_backend.getDebug():
print traceback.print_exc()
except Exception as e:
errorcode = error.ERRORS["InternalServerError"]
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: "\
"Bei der Bearbeitung von '%s' ist ein Fehler aufgetreten (%s). "\
"Die aktuelle Operation wird abgebrochen!\n" %
(threading.currentThread().name, sessionName, lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]], e.args),
log.LOGLEVEL["error"])
if config_backend.getDebug():
print traceback.print_exc()
# Statusmeldung ausgeben
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: %s executed with Code %s [%s]\n" %
(threading.currentThread().name,
sessionName,
lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]],
errorcode,
error.ERRORS_REVERSE[errorcode]),
log.LOGLEVEL["debug"])
# sende Paket (immer von Type: Answer, OpType ist derselbe wie beim eigentlichen Request, errorcode und data ist variabel
answer = lcmp.genLCMPPacket(int(sessionID),
"Answer",
lcmp.OPTYPES_REVERSE[lcmpPacket[lcmp.LCMP_INDICES["OpType"]]],
errorcode,
data)
log.writeLogLV(config_backend.getLogfile(),
"%s: %s: sending this lcmpPacket: %s\n" %
(threading.currentThread().name,
sessionName,
answer),
log.LOGLEVEL["debug"])
network.send(connection, answer)
# Ende: RequestHandler()
def connectionHandler(socket, connectionTable):
""" Beschreibung: wird direkt aufgerufen, nachdem eine Verbindung aus der
Warteschlange geholt worden ist. connectionHandler()
wertet das eingehende Paket in Bezug auf die Gültigkeit
aus und reicht das Paket an LCMPRequestHandler() weiter.
Parameter: (socket)connection: Enthält die Verbindungsinformationen zum
Client.
Rückgabewert: Keiner
Exceptions: Wirft selbst keine
"""
try:
# hole LCMP Paket
data = network.recv(socket)
# wandle Paket in Tuple um
lcmpPacket = ast.literal_eval(data)
log.writeLogLV(config_backend.getLogfile(),
"%s: LCMP-Paket: %s\n" % (threading.currentThread().name, lcmpPacket),
log.LOGLEVEL["debug"])
# Prüfe Paket auf Gültigkeit, wirft Exceptions bei Fehlern
lcmp.isLCMPPacket(lcmpPacket)
# Prüfen, ob der Client bereits eine offene Verbindung hat
sessionID = "%s" % (lcmpPacket[lcmp.LCMP_INDICES["ID"]])
connectionTable_sessionIDs = list()
for i in connectionTable:
connectionTable_sessionIDs.append(i[0])
if sessionID in connectionTable_sessionIDs:
log.writeLogLV(config_backend.getLogfile(),
"%s: Session-ID OK (%s)\n" % (threading.currentThread().name, sessionID),
log.LOGLEVEL["debug"])
# Aktualisiere SessionZeitstempel der Session
connectionTable[connectionTable_sessionIDs.index(sessionID)][3] = datetime.now().strftime("%s")
# Server bearbeit nur Requests, alles andere wird ignoriert
if not lcmpPacket[lcmp.LCMP_INDICES["Type"]] == lcmp.TYPES["Request"]:
log.writeLogLV(config_backend.getLogfile(),
"%s: Server bearbeitet nur Requests. Anforderung war: %s...\n" %
(threading.currentThread().name, lcmpPacket[1]),
log.LOGLEVEL["warning"])
# Paket zum Auswerten an LCMPTypeHandler geben
LCMPRequestHandler(socket, lcmpPacket, connectionTable, sessionID )
else: # Client ist noch nicht in Verbindungstabelle
# wenn Client nocht nicht in der Verbindungstabelle ist, kann er
# nur durch einen "openConnection"-Request hinzugefügt werden
if (lcmpPacket[lcmp.LCMP_INDICES["OpType"]] == lcmp.OPTYPES["openConnection"]) and (lcmpPacket[lcmp.LCMP_INDICES["Type"]] == lcmp.TYPES["Request"]):
# TODO: prüfe Version
connectionTable.append([sessionID,socket.getpeername()[0],'', datetime.now().strftime("%s")])
log.writeLogLV(config_backend.getLogfile(),
"%s: Session-ID (%s) wurde zur Session-Tabelle hinzugefügt\n" %
(threading.currentThread().name, sessionID),
log.LOGLEVEL["info"])
# Antworte Client, dass die Verbindung erfolgreich hergestellt ist und die Session ID eingetragen ist
network.send(socket, lcmp.genLCMPPacket(sessionID, "Answer", "openConnection", 0, ""))
else:
network.send(socket, lcmp.genLCMPPacket(sessionID, "Answer", "openConnection", error.ERRORS["NoValidConnection"], ""))
raise error.LCMPError("Client hat kein \"openConnection\" gesendet")
log.writeLogLV(config_backend.getLogfile(),
"%s: Verbindungstabelle: %s\n" % (threading.currentThread().name, connectionTable),
log.LOGLEVEL["debug"])
except error.LCMPError as e:
log.writeLogLV(config_backend.getLogfile(),
"%s: Kein gültiges LCMP-Paket (%s)\n" % (threading.currentThread().name, e.value),
log.LOGLEVEL["error"])
if config_backend.getDebug():
print traceback.print_exc()
except Exception as e:
log.writeLogLV(config_backend.getLogfile(),
"Fehler in Abarbeitung des LCMP-Paketes:", e.args,
log.LOGLEVEL["error"])
if config_backend.getDebug():
traceback.print_exc()
def msgHandler(self, clientsock, address):
msg = network.receive(clientsock)
if not msg:
logger.warning('Did not receive message properly from {}'.format(
address[0]))
return
if (DEST_GUID in msg and msg[DEST_GUID] != self.GUID):
logger.warning(
'Not the intended recipient for message. From {}. Destination GUID: {}'
.format(msg[SEND_IP], msg[DEST_GUID]))
return
# If received Join message (for bootstrap node)
if msg[TYPE] == JOIN:
if self.isBootstrap:
logger.info('Received JOIN message from {}'.format(
msg[SEND_IP]))
joinAck = {
TYPE: JOIN_ACK,
SEND_IP: MY_IP,
SEND_GUID: self.GUID,
DEST_IP: msg[SEND_IP],
DEST_GUID: network.generate_guid(),
ROUTING: self.routTab.getTable()
}
network.send(joinAck[DEST_IP], **joinAck)
self.routTab.addPeer(GUID=joinAck[DEST_GUID],
IPAddr=joinAck[DEST_IP])
logger.info('Assigned GUID {} to {}'.format(
joinAck[DEST_GUID], joinAck[DEST_IP]))
else:
logger.warning('Join message received! But not bootstrap node')
# Reciving PING message
if msg[TYPE] == PING:
logger.info('Received PING message from {} ({})'.format(
msg[SEND_IP], msg[SEND_GUID]))
pongMsg = {
TYPE: PONG,
SEND_IP: MY_IP,
SEND_GUID: self.GUID,
DEST_IP: msg[SEND_IP],
DEST_GUID: msg[SEND_GUID]
}
network.send(msg[SEND_IP], **pongMsg)
self.routTab.handlePing(msg)
# Receiving PONG message
elif msg[TYPE] == PONG:
logger.info('Received PONG message from {} ({})'.format(
msg[SEND_IP], msg[SEND_GUID]))
self.routTab.handlePong(msg)
# Receiving QUERY message
elif msg[TYPE] == QUERY:
logger.info(
'Received QUERY message with ID {} from {} ({}). Source:- {} ({})'
.format(msg[QUERY_ID], msg[SEND_IP], msg[SEND_GUID],
msg[SOURCE_IP], msg[SOURCE_GUID]))
# Check whether the query is repeated
with self.repQuerLock:
ok = msg[QUERY_ID] in self.repQuer
# If not repeated search database and forward query
if not ok:
# Throw away older cached query and add the query to the cache
with self.repQuerLock:
while self.repQuerQueue.qsize() >= REP_QUERY_CACHE:
self.repQuer.discard(self.repQuerQueue.get())
self.repQuer.add(msg[QUERY_ID])
self.repQuerQueue.put(msg[QUERY_ID])
self.save_repQuerQueue(msg[QUERY_ID])
logger.info('Adding Query {} to cache'.format(msg[QUERY_ID]))
sender = msg[SEND_GUID]
msg[SEND_IP] = MY_IP
msg[SEND_GUID] = self.GUID
# Search for results in database and send back if any
results = self.fileSys.search(msg[SEARCH])
if bool(results):
reponseMsg = {
TYPE: QUERY_RESP,
SEND_IP: MY_IP,
SEND_GUID: self.GUID,
DEST_IP: msg[SOURCE_IP],
DEST_GUID: msg[SOURCE_GUID],
QUERY_ID: msg[QUERY_ID],
RESULTS: results
}
network.send(msg[SOURCE_IP], **reponseMsg)
logger.info(
'Sending {} response(s) to Query {} to {} ({})'.format(
len(results), msg[QUERY_ID], msg[SOURCE_IP],
msg[SOURCE_GUID]))
# Send queries to neighbours in Table
for neighbours in self.routTab.neighbours():
msg[DEST_IP] = neighbours[0]
msg[DEST_GUID] = neighbours[1]
if msg[DEST_GUID] != sender:
network.send(msg[DEST_IP], **msg)
logger.info(
'Forwarding query to neighbour {} ({})'.format(
msg[DEST_IP], msg[DEST_GUID]))
else:
logger.info('Repeated query {}'.format(msg[QUERY_ID]))
# If received QUERY_RESP message
elif msg[TYPE] == QUERY_RESP:
logger.info(
'Received QUERY_RESP with {} result(s) for query {} from {} ({})'
.format(
len(msg[RESULTS]),
msg[QUERY_ID],
msg[SEND_IP],
msg[SEND_GUID],
))
with self.queryResLock:
if msg[QUERY_ID] in self.queryRes:
self.queryRes[msg[QUERY_ID]].append(msg)
self.save_queryRes() # Save State
return
logger.warning('Query {} previously discarded'.format(
msg[QUERY_ID]))
# If received TRANSFER_REQ
elif msg[TYPE] == TRANSFER_REQ:
logger.info(
'Received TRANSFER_REQ from {} ({}) for File ID {} and Chunk {}'
.format(msg[SEND_IP], msg[SEND_GUID], msg[FILE_ID],
msg[CHUNK_NO]))
fileTranMsg = {
TYPE: TRANSFER_FILE,
SEND_IP: MY_IP,
SEND_GUID: self.GUID,
DEST_IP: msg[SEND_IP],
DEST_GUID: msg[SEND_GUID],
REQUEST_ID: msg[REQUEST_ID],
CHUNK_NO: msg[CHUNK_NO],
CONTENT: self.fileSys.getContent(msg[FILE_ID], msg[CHUNK_NO])
}
if fileTranMsg[CONTENT] is None:
logger.warning('Content Unavailable for File ID {}'.format(
msg[FILE_ID]))
else:
network.send(msg[SEND_IP], **fileTranMsg)
# If received TRANSFER_FILE message
elif msg[TYPE] == TRANSFER_FILE:
logger.info(
'Received TRANSFER_FILE from {} ({}) for Request ID {} and Chunk {}'
.format(msg[SEND_IP], msg[SEND_GUID], msg[REQUEST_ID],
msg[CHUNK_NO]))
with self.chunkLeftLock:
# If the request is not yet done and the write to the file system is successful
if msg[CHUNK_NO] in self.chunkLeft.get(msg[REQUEST_ID], (0, set()))[1] \
and self.fileSys.writeChunk(msg):
# Remove the chunk no from the required chunk list
self.chunkLeft[msg[REQUEST_ID]][1].remove(msg[CHUNK_NO])
# If all the chunks are done, inform filesys of the completion
if not bool(self.chunkLeft[msg[REQUEST_ID]][1]):
self.fileSys.done(msg[REQUEST_ID])
del self.chunkLeft[msg[REQUEST_ID]]
del self.chunkLeftTransferReq[msg[REQUEST_ID]]
self.save_pending() # Force Save State
else:
self.save_pending(False) # Save State
#A basic testing program for the leader library
import sys, time
import network
import leader
node = int(sys.argv[1])
network = leader.LeaderNetwork(network.Network('config/local.cfg', node))
def recv(msg, src):
print(src, msg)
pass
network.registerReceive(recv)
print('This is node ' + str(node))
while True:
text = raw_input()
if not text: break
elif text == 'l': print('leader: ' + str(network.leader))
else: network.send(text, [1-network.node, -1])
def _sendDrop(self): network.send(DROP)
u.pos = (u.pos[0] + v[0], u.pos[1] + v[1])
d = pygame.display.set_mode((400, 400))
units = []
me = int(sys.argv[3])
for x in range(6):
u = Unit()
u.pos = (x * 20., x * 20.)
u.dest = u.pos
u.owner = x % 2
units.append(u)
raw_input()
while True:
orders = get_my_orders(units)
network.send(int(sys.argv[2]), repr(orders))
i = eval(network.get())
all_orders = []
all_orders.extend(orders)
all_orders.extend(i)
# magic
logic(units, all_orders)
d.fill((0, 0, 0))
for u in units:
f = 1
if u in selection:
f = 0
pygame.draw.circle(d,
(255 * (u.owner != me), 255 * (u.owner == me), 0),
u.pos, 16 if u.type == 1 else 4, f)
pygame.display.update()
def update():
if helper.player.lives<=0:
print "Out of lives!"
sendLoseMsg()
if tkMessageBox.askyesno("You lost!", "Play again?"):
restartfn(False)
network.doRestart=False
# Schedule this function again
root.after(10,update)
else:
exit()
return
if scoreboard.otherScoreLabelVar.get()!=network.newOtherScore:
scoreboard.otherScoreLabelVar.set(network.newOtherScore)
#if threading udp server got restart packet, restart
if network.doRestart:
restartfn(False)
network.doRestart=False
# Schedule this function again
root.after(10,update)
return
if network.iWon:
print 'you killed the opponent!'
if tkMessageBox.askyesno("You won!", "Play again?"):
restartfn(False)
network.iWon=False
# Schedule this function again
root.after(10,update)
else:
exit()
return
if network.OppStatusBoxVar.get()!=network.newStatusString:
network.OppStatusBoxVar.set(network.newStatusString)
network.OppStatusBox.config(fg=network.newStatusColor)
if network.isConnected and (time.time()-network.TimeSinceLastPacket)*1000>network.CONNECTIONTIMEOUT:
print 'not connected any more'
network.isConnected=False
network.newStatusColor="red"
network.newStatusString="Not Connected"
network.OppStatusBoxVar.set("Not Connected")
network.OppStatusBox.config(fg='red')
#update speed
deltaSpeed=[0,0]
for key in helper.pressedKeys:
if helper.pressedKeys[key]:
newSpeed={"w":[0,-helper.CONTROLSENSITIVITY],"a":[-helper.CONTROLSENSITIVITY,0],"s":[0,helper.CONTROLSENSITIVITY],"d":[helper.CONTROLSENSITIVITY,0]}[key]
deltaSpeed[0]+=newSpeed [0]
deltaSpeed[1]+=newSpeed [1]
helper.player.deltaX[0]+=deltaSpeed[0]
helper.player.deltaX[1]+=deltaSpeed[1]
for obj in objects:
obj.update()
bulletCoords=[]
#make array of coords from bullets
for count,bullet in enumerate(helper.bullets):
# use the hex address of the bullet as uuid (id returns hex address)
bulletCoords.append([id(helper.bullets[count])]+canvas.coords(bullet.id))
#make all coords ints
for count,item in enumerate(bulletCoords):
bulletCoords[count][1]=int(bulletCoords[count][1])
bulletCoords[count][2]=int(bulletCoords[count][2])
#send coords of everything
#order of this is importiant
network.addToSend([int(i) for i in canvas.coords(helper.player.id)])
network.addToSend(bulletCoords)
network.addToSend(helper.bulletsToStopSending)
network.addToSend(helper.player.lives)
network.send()
#loop through bullets opponent told you to delete
for localBulletUuid in network.recievedBulletsToStopSending:
for localbullet in helper.bullets:
#if the recieved uuid matches a bullet
if localBulletUuid==id(localbullet):
#delete it from the screen
canvas.delete(localbullet.id)
#and the object lists
helper.objects.remove(localbullet)
helper.bullets.remove(localbullet)
helper.bulletsToStopSending=[]
#if there is no opponent, don't update Opponent and Opponent bullets
if network.destIp:
updateBullets()
updateOpponent()
# Schedule this function again
root.after(10,update)
break
else:
if rekt == 1:
guess = str(rWater) + ',' + str(cWater)
print("CREDITS: Tofunmi")
else:
r, c = randomGuess()
while dispBoard[r][c] != '.':
r, c = randomGuess()
guess = str(r) + ',' + str(c)
hitList.remove(guess)
ans = network.send(guess)
if ans == 'win':
break
elif ans == 'wrong input':
print("Your input was wrong")
else:
guessList = list(map(int, guess.split(',')))
dispBoard[guessList[0]][guessList[1]] = ans
time.sleep(2)
if ans == 'win':
guessList = list(map(int, guess.split(',')))
dispBoard[guessList[0]][guessList[1]] = 'x'
network.printBoard()
def _send(self, event, args=[]):
log_event_send(event, args, label='RemoteInterface')
network.send(self._sock, {'event': event, 'args': args})
def pvp():
global teams
network = Network(players)
if network.get_teamID() == "Server not available":
return "Server not available"
clock = pygame.time.Clock()
key = 0
myID = int(network.get_teamID())
if myID is None:
print("No server")
screen.blit(pygame.Surface((info.width, info.height)),
(info.left, info.top))
screen.blit(font20.render("Server unavailable", True, (180, 0, 0)),
(info.left + 110, info.top + 140))
screen.blit(
font20.render("Please select Single Player option", True,
(180, 0, 0)), (info.left + 30, info.top + 190))
screen.blit(
font20.render("Click mouse or press any key", True, (180, 0, 0)),
(info.left + 125, info.top + 320))
screen.blit(
font20.render("to return to the main menu", True, (180, 0, 0)),
(info.left + 65, info.top + 370))
pygame.display.update(info)
return
teams = [Team(myID)] # this thread's team
load_images()
pygame.display.set_caption("PyForce - P" + str(myID))
# screen.blit(grid, gridrect)
# screen.blit(pygame.Surface((490, 450)), (info.left, info.top))
# text = font20.render("These are your ships:", True, (0, 128, 0))
# screen.blit(text, (info.left + info.width // 2 - text.get_width() // 2, info.top + 50))
# screen.blit(shipImages[myID][0][0], (info.left + info.width // 2 - size // 2, info.top + 100, size, size))
# text = font20.render("Players in the game:", True, (180, 0, 0))
# screen.blit(text, (info.left + info.width // 2 - text.get_width() // 2, info.top + 190))
# pygame.display.update(info)
# wait for opponent(s)
users = 2 if players == 3 else players
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
if event.type == pygame.KEYDOWN:
if event.key == K_ESCAPE:
return "Esc"
data = network.send(teams[0].deets, True)
if len(data) >= users: # enough players have joined
break
else:
screen.blit(pygame.Surface((40, 40)),
(info.left + info.width - 110,
info.top + 5 + 60 * players + 150))
screen.blit(font40.render(str(len(data)), True, (180, 0, 0)),
(info.left + info.width - 100,
info.top + 5 + 60 * players + 150))
# text = font40.render(str(len(data)) + " of " + str(users), True, (180, 0, 0))
# screen.blit(pygame.Surface((info.width, 50)), (info.left, info.top + 230))
# screen.blit(text, (info.left + info.width // 2 - text.get_width() // 2, info.top + 230))
#
# for d in data:
# pygame.display.update(screen.blit(shipImages[imageMap[data[d].teamID]][0][0],
# (info.left + info.width // 2 - 3 * size + 2 * size * data[d].teamID,
# info.top + 300, size, size)))
pygame.display.update(
info) # (info.left, info.top + 100, 500, size))
clock.tick(10)
screen.blit(font20.render("Setting up teams....", True, (180, 0, 0)),
(info.left + 85, info.top + 290))
pygame.display.update(info)
#pygame.display.update((info.left + 80, info.top + 240, 400, 200))
if players == 2:
teams.append(Team(1 - myID, 2))
elif players == 3:
teams.append(Team(1 - myID, 2)) # remote player
# bot 1 (teams[2] automated by this thread)
teams.append(
Team(myID + 2, 0, gridleft + 14 * size, gridtop + 4 * size, 3, 7))
teams[2].ships[0].canTakeAHit = False
teams[2].ships[0].rank = 0
network.send(teams[2].deets)
teams[2].ships[0].target = teams[0].ships[0] # targeting this player
# bot 2 (teams[3] automated by remote thread)
teams.append(
Team(3 - myID, 2, gridleft + 14 * size, gridtop + 4 * size, 3, 7))
teams[3].ships[0].canTakeAHit = False
teams[3].ships[0].rank = 0
elif players == 4:
teams.append(Team((myID + 1) % 4, 3))
teams.append(Team((myID + 2) % 4, 2))
teams.append(Team((myID + 3) % 4, 1))
users = 4 if players == 3 else players
while True:
deets = network.send(teams[0].deets)
if len(deets) == users:
break
time.sleep(.1)
# Assign enemy targets, get all deets
for teamA in teams:
teamA.deets = deets[teamA.teamID]
for teamB in teams:
if teamA.teamID != teamB.teamID:
for ship in teamB.ships:
teamA.enemy.append(ship)
draw_screen()
ship_hit = False
# and we're off
ready_set_go()
# game loop
while True:
# move & send results
teams[0].ships[0].move(key) # move self
# teams[1].ships[0].move(0) # move remote ship (momentum)
if players == 3:
teams[2].ships[0].move(-6) # move assigned drone
update(network)
for team in teams:
# check for collisions
crash(team.ships[0])
if team.ships[0].hit:
ship_hit = True
team.ships[0].rect.left = -10000 - 1000 * team.teamID
team.ships[0].update()
team.lives -= 1
team.ships[0].inert = True
if team.teamID == myID or (players == 3
and team.teamID == myID + 2):
update(network) # send the bad news
team.ships[0].hit = False
team.ships[0].update()
if ship_hit:
# Make sure all threads are current
t = time.time()
while True:
deets = update(network, True)
for deet in deets:
if not deets[deet].current and deets[deet].lives > 0:
screen.blit(pygame.Surface((450, 200)),
(info.left, info.top + 270))
text = font20.render("Player has been hit!", True,
(180, 0, 0))
screen.blit(text,
(info.left + info.width // 2 -
text.get_width() // 2, info.top + 290))
text = font20.render(
"Must update before continuing...", True,
(180, 0, 0))
screen.blit(text,
(info.left + info.width // 2 -
text.get_width() // 2, info.top + 320))
pygame.display.update(info)
if time.time() < t + 1:
ship_hit = False
break
else:
screen.blit(pygame.Surface((450, 200)),
(info.left, info.top + 270))
text = font20.render("Player not responding", True,
(180, 0, 0))
screen.blit(
text, (info.left + info.width // 2 -
text.get_width() // 2, info.top + 290))
text = font20.render("Sacrifices must be made...",
True, (180, 0, 0))
screen.blit(
text, (info.left + info.width // 2 -
text.get_width() // 2, info.top + 320))
pygame.display.update(info)
time.sleep(.5)
ship_hit = False
for team in teams:
if team.teamID == deets[deet].teamID:
deets[deet].lives -= 3
if deets[deet].lives <= 0:
team.ships[0].inert = True
deets[
deet].left = -10000 - 1000 * team.teamID
deets[
deet].top = -10000 - 1000 * team.teamID
network.send(deets[deet])
else: # All live teams are current
break
draw_screen()
teams_left = 0
winner = None
for team in teams:
if team.lives > 0:
teams_left += 1
winner = team # potential winner, anyway
# if team's ship is inert, does it get revived?
if team.ships[0].inert and not team.ships[0].shot:
if team.teamID == myID or (players == 3 and team.teamID
== myID + 2): # this thread
team.ships[0].revive(5)
else:
team.ships[0].inert = False
# ready_set_go()
# Game over?
if teams_left <= 1:
# allow for explosion to complete
update(network)
delay = 10 # if len(booms) > 0 else 0
while delay:
time.sleep(1.0 / 25)
draw_screen()
delay -= 1
return winner
update(network)
draw_screen()
if key == K_SPACE:
key = 0 # don't keep shooting
# check for quit event, log keydown
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit() # time.sleep(10)
if event.type == pygame.KEYDOWN:
key = event.key
draw_screen()
clock.tick(25)
def _sendMove(self, direction): network.send(MOVE + direction)
#m *= 4 #0 pixels per second
u.pos = (u.pos[0]+v[0],u.pos[1] + v[1])
d = pygame.display.set_mode((400,400))
units = []
me = int(sys.argv[3])
for x in range(6):
u = Unit()
u.pos = (x*20.,x*20.)
u.dest = u.pos
u.owner = x%2
units.append(u)
raw_input()
while True:
orders = get_my_orders(units)
network.send(int(sys.argv[2]),repr(orders))
i = eval(network.get())
all_orders = []
all_orders.extend(orders)
all_orders.extend(i)
# magic
logic(units, all_orders)
d.fill((0,0,0))
for u in units:
f = 1
if u in selection:
f = 0
pygame.draw.circle(d, (255*(u.owner!=me),255*(u.owner==me),0), u.pos, 16 if u.type==1 else 4,f)
pygame.display.update()
#print "cycle"
#pygame.time.wait(10)
################################################################################
# Your turn to hit
# You will get back either ' ', 'x', 'M'
#
# need to make your own logic to come up with a string "r,c" to send to opponent
################################################################################
b = 'minus'
c = 'subtract'
if hint > 0 and hints1loop > -1 and firstHit == False:
guess = hintguess(
hintCoordinates[0][0],
hintCoordinates[0][1]) #will return a guess to be used
ans = network.send(guess)
time.sleep(0.5)
win = b
XMorSpace = ans
elif firstHit == True and secondHit == False and hints2loop > -1:
guess = hint2guess(firstHitCoordinates[0][0],
firstHitCoordinates[0][1], hints2loop)
ans = network.send(guess)
#time.sleep(0.5)
win = c
XMorSpace = ans
def _send(self, event, args=[]):
log_event_send(event, args, label='RemoteInterface')
network.send(self._sock, {'event': event, 'args': args})
def send_worker(file_name, destination, size):
with open(input_list[1], "rb") as binary_file:
network.send(binary_file, destination, port, size, file_name)
def main():
# PORT = int(sys.argv[1]) if len(sys.argv)>1 else 5000
MY_ADDR = (sys.argv[1], int(sys.argv[2]))
MAP1_ADDR = (sys.argv[3], int(sys.argv[4]))
MAP2_ADDR = (sys.argv[5], int(sys.argv[6]))
RED_ADDR = (sys.argv[7], int(sys.argv[8]))
PAXOS_ADDR = (sys.argv[9], int(sys.argv[10]))
# PORT, PORT_M1, PORT_M2, PORT_RED, PORT_PAXOS = [int(p) for p in sys.argv[1:]]
print("Hi from CLI on port", MY_ADDR)
prev = None # previous cmd
# When a msg comes back to me from the mapper, reducer, or PRM,
# I'm expecting it to reply with a certain string.
def replyfn(b):
if b == b'Done!':
debug('He seems to be done!')
elif b == b'Enqueued msg!':
debug("He says he'll do it. Not waiting for him!")
elif b == b'Killed me.':
debug('He said I killed him.')
else:
debug(
"Hm, he replied with something I didn't expect: {}".format(b))
while True:
cmdline = input('Cmd: ')
if len(cmdline.strip()) == 0 and prev is not None:
cmdline = prev # blank line repeats prev cmd
tokens = cmdline.split()
cmd = tokens[0]
d = {'cmd': cmd}
if cmd == 'help' or cmd == 'h':
print("""
• map filename
• reduce filename1 filename2 ...
• replicate filename
• stop
• resume
• total pos1 pos2 ...
• print
• merge pos1 pos2
• cat filename1 filename2 ...
""")
continue
elif cmd == 'map':
'''splits the file based on its size into 2 equal parts.
The split has to cut the file in a space character, not in the middle of a word.
Then it maps each half to a mapper using message passing.'''
if len(tokens) < 2:
print('USAGE: map filename')
continue
f = tokens[1]
s = open(f, 'r').read()
n = len(s)
i = n // 2
while i < n: # break between words
if s[i] == ' ': break
i += 1
d1 = {'filename': f, 'offset': 0, 'size': i}
d2 = {'filename': f, 'offset': i, 'size': n - i}
network.send(MAP1_ADDR, d1)
network.send(MAP2_ADDR, d2)
elif cmd == 'reduce':
'''sends a message (using sockets) to the reducer with the
provided filenames. The reducer has to reduce the intermediate
files to a final reduced file.'''
if len(tokens) < 2:
print('USAGE: reduce f_I_1 f_I_2')
continue
fs = tokens[1:]
d = {'filenames': fs}
network.send(RED_ADDR, d)
elif cmd == 'replicate':
'''sends a message to the PRM to replicate the file with
other computing nodes. Notice that the PRM owns
the log with all its log objects.'''
if len(tokens) < 2:
print('USAGE: replicate f_reduced')
continue
f = tokens[1]
d.update({'filename': f})
network.send(PAXOS_ADDR, d)
elif cmd == 'stop':
'''moves the PRM to the stopped state. When the PRM in the stopped
state, it does not handle any local replicate commands. In addition, it
drops any log object replicating messages sent by other PRMs in other
nodes. This is used to emulate failures and how Paxos can still achieve
progress in the presence of N/2 − 1 failures.'''
network.send(PAXOS_ADDR, d)
elif cmd == 'resume':
'''resumes the PRM back to the active state. A PRM in the
active state should actively handle local replicate commands
as well as log object repli- cating messages received by other PRMs.'''
network.send(PAXOS_ADDR, d)
# DATA QUERY CALLS
#The CLI sends a query to the PRM, and the PRM prints
# the answers to these queries in its stdout. There is no
# need to pass the results back to the CLI. The supported data query calls are:
elif cmd == 'total':
'''sums up the counts of all the word in all the log positions pos1 pos2,...'''
logpositions = [int(i) for i in tokens[1:]]
if len(logpositions) == 0:
print('USAGE: total logpos1 logpos2 ...')
continue
d.update({'logpositions': logpositions})
network.send(PAXOS_ADDR, d)
elif cmd == 'print':
'''prints the filenames of all the log objects.'''
network.send(PAXOS_ADDR, d)
elif cmd == 'merge':
'''apply the reduce function in log objects in positions pos1 pos2.
In other words, it adds up the occurrence of words in log objects
in positions pos1 and pos2 and prints each word with its corresponding count.'''
logpositions = [int(i) for i in tokens[1:]]
if len(logpositions) == 0:
print('USAGE: merge logpos1 logpos2 ...')
continue
d.update({'logpositions': logpositions})
network.send(PAXOS_ADDR, d)
# Justin-specific commands
elif cmd == 'cat':
if len(tokens) < 2:
print('USAGE: cat filename1 filename2 ...')
continue
fs = tokens[1:]
for f in fs:
print('File "{}":'.format(f))
print(open(f, 'r').read())
print('')
elif cmd == 'kill' or cmd == 'k':
[
network.send(p, d)
for p in [MAP1_ADDR, MAP2_ADDR, RED_ADDR, PAXOS_ADDR]
]
break
elif cmd == 'q':
break
else:
print('Not familiar with the command "{}", sry lol'.format(cmd))
prev = cmdline
print('Bye bye!')
