Exemplo n.º 1
0
  def _worker(self,worker_url, worker_id=uuid.uuid4()):
    if (sys.platform.lower().find("linux") >= 0):
      setproctitle.setproctitle("server-worker")
    lib.debug.info (worker_url)
    context = zmq.Context()
    # Socket to talk to dispatcher
    socket = context.socket(zmq.REP)
    socket.poll(timeout=1)
    socket.connect(worker_url)

    while True:
      (request_id_rep, state_name_rep, topic_rep, msg_rep) = socket.recv_multipart()
      rep_sock.send_multipart([request_id_rep, state_name, msg_rep])
      lib.debug.debug(msg_rep)
      try:
        msg_reved = simplejson.loads(msg_rep)
        if (msg_reved['status'] == "free"):
          hosts_recieved[msg_reved['hostid']] = msg_reved
          lib.debug.debug("sending state : " + state_name_rep + " : ")
        else:
          return (msg_reved['status'] + " : " + msg_reved['request_id'])
      except:
        lib.debug.error(str(state_name) + " : " + str(request_id) + " : " + str(sys.exc_info()))
        return (str(state_name) + " : " + str(request_id) + " : " + str(sys.exc_info()))

    while True:
      received = socket.recv_multipart()
      lib.debug.info("Received request: [ {0} ] -> [ {1} ]".format(str(worker_id),msg_type_args))
      reply = self.process(received)
      reply_to_send = simplejson.dumps(reply)
      socket.send_multipart([bytes(unicode(hostid)),bytes(unicode(request_id)),bytes(unicode(reply_to_send))])
      lib.debug.info("Replied to request: [ {0} ] -> [ {1} ]".format(str(worker_id), msg_type_args))
Exemplo n.º 2
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def handler(socket):
    """
    event loop - processes replies to sent messages
    """
    while True:
        ti = str(threading.currentThread().ident)
        print ti + "] Waiting for a reply"
        r = socket.recv_multipart()
        print ti + "] Got reply: ", r
        
        if len(r) == 2:
            msgtxt = r[0]
            msgid  = r[1]

            callback_registry_lock.acquire()

            if msgid in callback_registry:
                print ti + "] Reply is good."
                cbthread = threading.Thread(target = callback_registry[msgid], args=(msgtxt,))
                cbthread.start()
                del callback_registry[msgid]
            else:
                print ti + "] Reply is bad (unexpected). Discarding."

            callback_registry_lock.release()
Exemplo n.º 3
0
def get_replay(name, query, config, context=None):
    endpoint = config.get('replay_endpoints', {}).get(name, None)
    if not endpoint:
        raise IOError("No appropriate replay endpoint "
                      "found for {0}".format(name))

    if not context:
        context = zmq.Context(config['io_threads'])

    # A replay endpoint isn't PUB/SUB but REQ/REP, as it allows
    # for bidirectional communication
    socket = context.socket(zmq.REQ)
    try:
        socket.connect(endpoint)
    except zmq.ZMQError as e:
        raise IOError("Error when connecting to the "
                      "replay endpoint: '{0}'".format(str(e)))

    # REQ/REP dance
    socket.send(fedmsg.encoding.dumps(query))
    msgs = socket.recv_multipart()
    socket.close()

    for m in msgs:
        try:
            yield fedmsg.encoding.loads(m)
        except ValueError:
            # We assume that if it isn't JSON then it's an error message
            raise ValueError(m)
Exemplo n.º 4
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 def recv(cls, socket, routed=False):
     message = socket.recv_multipart()
     if routed:
         split = message.index("") + 1
         routing = message[:split]
         message = message[split:]
     else:
         routing = []
     module, classname = message[:2]
     buffers = message[3:]
     attribute_dict = json_decode(message[2], buffers)
     try:
         instance = sys.modules[module].__dict__[classname](**attribute_dict)
     except:
         print "Communicable could not instantiate %s from module %s with kwargs %s" % (
             module,
             classname,
             attribute_dict,
         )
         raise
     instance._remote = True
     instance._routing = routing
     instance._socket = socket
     instance._replied = False
     return instance
Exemplo n.º 5
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 def _read_one(socket):
     name, req_id, action, return_type, ser_type, opts = socket.recv_multipart()
     msg = {
         'req_id': int(req_id), 
         'action': action.decode(), 
         'return_type': return_type.decode(),
         'ser_type': ser_type.decode(),
         'opts': opts,
     }
     return name, msg
Exemplo n.º 6
0
 def _read_one(socket):
     name, req_id, action, return_type, ser_type, opts = socket.recv_multipart()
     msg = {
         'req_id': int(req_id), 
         'action': action.decode(), 
         'return_type': return_type.decode(),
         'ser_type': ser_type.decode(),
         'opts': opts,
     }
     return name, msg
Exemplo n.º 7
0
    def watch_batch(self, batch_id):
        # Setup a connection to the validator
        ctx = zmq.Context()
        socket = ctx.socket(zmq.DEALER)
        socket.connect(current_app.config['SAWTOOTH_VALIDATOR_URL'])

        # Construct the request
        request = client_batch_submit_pb2.ClientBatchStatusRequest(
            batch_ids=[batch_id], wait=True).SerializeToString()

        # Construct the message wrapper
        correlation_id = batch_id + uuid.uuid4(
        ).hex  # This must be unique for all in-process requests
        msg = Message(correlation_id=correlation_id,
                      message_type=Message.CLIENT_BATCH_STATUS_REQUEST,
                      content=request)

        # Send the request
        socket.send_multipart([msg.SerializeToString()])

        # Receive the response
        resp = socket.recv_multipart()[-1]

        # Parse the message wrapper
        msg = Message()
        msg.ParseFromString(resp)

        # Validate the response type
        if msg.message_type != Message.CLIENT_BATCH_STATUS_RESPONSE:
            current_app.logger.error("Unexpected response message type")
            return

        # Parse the response
        response = client_batch_submit_pb2.ClientBatchStatusResponse()
        response.ParseFromString(msg.content)

        # Validate the response status
        if response.status != client_batch_submit_pb2.ClientBatchSubmitResponse.OK:
            current_app.logger.error("watch batch status failed: {}".format(
                response.response_message))
            return

        # Close the connection to the validator
        socket.close()

        return client_batch_submit_pb2.ClientBatchStatus.Status.Name(
            response.batch_statuses[0].status)
Exemplo n.º 8
0
    def _reply_heartbeat(self, target):
        """Worker will kill its jobs when it lost connection with the master.
        """

        socket = self.ctx.socket(zmq.REP)
        socket.linger = 0
        socket.setsockopt(zmq.RCVTIMEO,
                          remote_constants.HEARTBEAT_RCVTIMEO_S * 1000)
        heartbeat_master_port =\
            socket.bind_to_random_port("tcp://*")
        self.master_heartbeat_address = "{}:{}".format(self.worker_ip,
                                                       heartbeat_master_port)

        logger.set_dir(
            os.path.expanduser('~/.parl_data/worker/{}'.format(
                self.master_heartbeat_address.replace(':', '_'))))

        self.heartbeat_socket_initialized.set()
        logger.info("[Worker] Connect to the master node successfully. "
                    "({} CPUs)".format(self.cpu_num))
        while self.master_is_alive and self.worker_is_alive:
            try:
                message = socket.recv_multipart()
                worker_status = self._get_worker_status()
                socket.send_multipart([
                    remote_constants.HEARTBEAT_TAG,
                    to_byte(str(worker_status[0])),
                    to_byte(str(worker_status[1])),
                    to_byte(worker_status[2]),
                    to_byte(str(worker_status[3]))
                ])
            except zmq.error.Again as e:
                self.master_is_alive = False
            except zmq.error.ContextTerminated as e:
                break
        socket.close(0)
        logger.warning(
            "[Worker] lost connection with the master, will exit reply heartbeat for master."
        )
        self.worker_status.clear()
        self.log_server_proc.kill()
        self.log_server_proc.wait()
        # exit the worker
        self.worker_is_alive = False
        self.exit()
Exemplo n.º 9
0
    def update_readable(self, socket):
        m = socket.recv_multipart()
        topic = m[0]
        self.rx.ParseFromString(m[1])
        if self.debug: print("status_update ", topic, str(self.rx))

        if self.rx.type == MT_HALRCOMP_INCREMENTAL_UPDATE:  # incremental update
            for rp in self.rx.pin:
                lp = self.pinsbyhandle[rp.handle]
                self.pin_update(rp, lp)
            return

        if self.rx.type == MT_HALRCOMP_FULL_UPDATE:  # full update
            if self.rx.uuid:
                self.set_uuid(self.rx.uuid)
            if self.rx.pparams:
                if self.debug:
                    print("pparams keepalive=",
                          self.rx.pparams.keepalive_timer)
            for c in self.rx.comp:
                for rp in c.pin:
                    lname = str(rp.name)
                    if "." in lname:  # strip comp prefix
                        cname, pname = lname.split(".", 1)
                    lp = self.pinsbyname[pname]
                    lp.handle = rp.handle
                    self.pinsbyhandle[rp.handle] = lp
                    self.pin_update(rp, lp)
                self.synced = True
            return

        if self.rx.type == MT_PING:
            # for now, ignore
            # TBD: add a timer, reset on any message received
            # if timeout, emit "rcomp channel down" signal
            if self.debug: print("halrcomp ping")
            return

        if self.rx.type == MT_HALRCOMP_ERROR:
            print("proto error on subscribe: ", str(self.rx.note))
            self.emit('state', state.ERROR, str(self.rx.note))

        print("status_update: unknown message type: ", str(self.rx))
Exemplo n.º 10
0
    def update_readable(self, socket):
        m = socket.recv_multipart()
        topic = m[0]
        self.rx.ParseFromString(m[1])
        if self.debug: print "status_update ", topic, str(self.rx)

        if self.rx.type == MT_HALRCOMP_INCREMENTAL_UPDATE: # incremental update
            for rp in self.rx.pin:
                lp = self.pinsbyhandle[rp.handle]
                self.pin_update(rp,lp)
            return

        if self.rx.type == MT_HALRCOMP_FULL_UPDATE: # full update
            if self.rx.uuid:
                self.set_uuid(self.rx.uuid)
            if self.rx.pparams:
                if self.debug: print "pparams keepalive=", self.rx.pparams.keepalive_timer
            for c in self.rx.comp:
                for rp in c.pin:
                    lname = str(rp.name)
                    if "." in lname: # strip comp prefix
                        cname,pname = lname.split(".",1)
                    lp = self.pinsbyname[pname]
                    lp.handle = rp.handle
                    self.pinsbyhandle[rp.handle] = lp
                    self.pin_update(rp,lp)
                self.synced = True
            return

        if self.rx.type == MT_PING:
            # for now, ignore
            # TBD: add a timer, reset on any message received
            # if timeout, emit "rcomp channel down" signal
            if self.debug: print "halrcomp ping"
            return

        if self.rx.type == MT_HALRCOMP_ERROR:
            print "proto error on subscribe: ",str(self.rx.note)
            self.emit('state', state.ERROR,str(self.rx.note))

        print "status_update: unknown message type: ",str(self.rx)
Exemplo n.º 11
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 def recv(cls, socket, routed=False):
     message = socket.recv_multipart()
     if routed:
         split = message.index('') + 1
         routing = message[:split]
         message = message[split:]
     else:
         routing = []
     module, classname = message[:2]
     buffers = message[3:]
     attribute_dict = json_decode(message[2], buffers)
     try:
         instance = sys.modules[module].__dict__[classname](**attribute_dict)
     except:
         print "Communicable could not instantiate %s from module %s with kwargs %s" % (module, classname, attribute_dict)
         raise
     instance._remote = True
     instance._routing = routing
     instance._socket = socket
     instance._replied = False
     return instance
Exemplo n.º 12
0
 def _recv_callback(self, socket, event):
     '''
     This will receive all messages
     '''
     # Ignore message that are not POLLIN
     if event is not zmq.POLLIN:
         return
     
     # Ignore messages on closed sockets
     if self.socket.closed:
         return
     
     try:
         n = self._threads
         while n:
             msg = socket.recv_multipart(flags=zmq.NOBLOCK)
             self._thread_pool.apply_async(self._recv_thread, args=(msg, self.receive_plugins))
             n -= 1
     except zmq.ZMQError as e: 
         if e.errno is not zmq.EAGAIN: 
             raise
Exemplo n.º 13
0
    def _reply_heartbeat(self):
        """Reply heartbeat signals to the master node."""

        socket = self.ctx.socket(zmq.REP)
        socket.linger = 0
        socket.setsockopt(zmq.RCVTIMEO,
                          remote_constants.HEARTBEAT_RCVTIMEO_S * 1000)
        reply_master_heartbeat_port =\
            socket.bind_to_random_port(addr="tcp://*")
        self.reply_master_heartbeat_address = "{}:{}".format(
            get_ip_address(), reply_master_heartbeat_port)
        self.heartbeat_socket_initialized.set()
        connected = False
        while self.client_is_alive and self.master_is_alive:
            try:
                message = socket.recv_multipart()
                elapsed_time = datetime.timedelta(seconds=int(time.time() -
                                                              self.start_time))
                socket.send_multipart([
                    remote_constants.HEARTBEAT_TAG,
                    to_byte(self.executable_path),
                    to_byte(str(self.actor_num)),
                    to_byte(str(elapsed_time)),
                    to_byte(str(self.log_monitor_url)),
                ])  # TODO: remove additional information
            except zmq.error.Again as e:
                if connected:
                    logger.warning("[Client] Cannot connect to the master."
                                   "Please check if it is still alive.")
                else:
                    logger.warning(
                        "[Client] Cannot connect to the master."
                        "Please check the firewall between client and master.(e.g., ping the master IP)"
                    )
                self.master_is_alive = False
        socket.close(0)
        logger.warning("Client exit replying heartbeat for master.")
Exemplo n.º 14
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def get_reply(socket):
    return socket.recv_multipart()
Exemplo n.º 15
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def get_ip():
    import socket
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.connect(('www.google.com', 80))
    ip = s.getsockname()[0]
    s.close()
    return ip


myip = get_ip()

socket.connect(args.connect_address)

command = 'LIST'
socket.send_string(command)
peers = socket.recv_multipart()[0].split(' ')

cities = """Berlin
London
Paris
Dublin
""".splitlines()


def get_cities():
    for c in cities:
        if c:
            yield c


def worker(peer):
Exemplo n.º 16
0
def get_reply(socket):
    return socket.recv_multipart()
Exemplo n.º 17
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            socket.setsockopt(zmq.SUBSCRIBE, "ses_vc_switch")
        except Exception, e:
            self.logger.warning("Can not connect to msg_svr %s %s",
                                self.msg_svr, e)
        self.logger.debug("Starting to gather ad information...")

        updateTimerStart = time.time()
        self.updateCachedAd()
        while True:
            now = time.time()
            if now - updateTimerStart > self.addbUpInterval:
                self.logger.debug("Update the cached ad guid...")
                self.updateCachedAd()
                updateTimerStart = now
            self.logger.debug("Receive....")
            evtType, data = socket.recv_multipart()

            if evtType == "ses_vc_switch":
                events = event_pack.unpack(data)
                self.logger.debug("Received len %s", len(events))
                self.logger.debug("data: %s", events)
                self.vc_switchEventHandler(events[0])
            else:
                self.logger.warning("Get wrong msg %s", evtType)


def loadcfg(path):
    try:
        f = open(path)
        content = f.read()
        name, val = xmlhelper.parseSimpleXmlConfig(content)
Exemplo n.º 18
0
def get_ip():
    import socket
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.connect(('www.google.com', 80))
    ip = s.getsockname()[0]
    s.close()
    return ip

myip = get_ip()

socket.connect(args.connect_address)

command = 'LIST'
socket.send_string(command)
peers = socket.recv_multipart()[0].split(' ')

cities = """Berlin
London
Paris
Dublin
""".splitlines()

def get_cities():
    for c in cities:
        if c:
            yield c


def worker(peer):
    seeker = context.socket(zmq.DEALER)
Exemplo n.º 19
0
import argparse
import zmq

context = zmq.Context()

socket = context.socket(zmq.DEALER)

parser = argparse.ArgumentParser()
parser.add_argument('-c', '--connect-address', default='tcp://127.0.0.1:5555')
parser.add_argument('-p', '--port', default='5556')

args = parser.parse_args()


def get_ip():
    import socket
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.connect(('www.google.com', 80))
    ip = s.getsockname()[0]
    s.close()
    return ip

myip = get_ip()

socket.connect(args.connect_address)

# First just register to the server
command = '{}:{}'.format(myip, args.port)
socket.send_string(command)
print socket.recv_multipart()
Exemplo n.º 20
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def main(screen, level=None, ai=False):
    pygame.init()

    # start added fullscreen functionality
    size=(640,480)
    screen=pygame.display.set_mode(size, DOUBLEBUF)
    flags=screen.get_flags()   
    # end added fullscreen functionality

    pygame.mouse.set_visible(0)

    if level == None: level = 1
    ballimg = pygame.Surface((10,10))
    ballimg.fill((255,255,255))
    paddleimg = pygame.Surface((50,10))
    paddleimg.fill((255,255,255))
    blockimg = pygame.Surface((20,10))
    blockimg.fill((255,255,255))
    startballdelay = 30;
    count = 0; balloff = False; deaths = 0
    font = pygame.font.Font('freesansbold.ttf', 18)
    points = font.render('Points: 0', True, (255,255,255))
    pointsrect = points.get_rect()
    pointsrect.x = 630 - pointsrect.width
    pointsrect.y = 10

    if type(level) == int:
        blocks = load_level('./data/levels/lvl'+str(level)+'.lvl'); level += 1
    else:
        blocks = load_level(level)
    ball = Ball(ballimg, 320,430, 0, 0, (640,480), blocks)
    paddle = Paddle(paddleimg, 300,450, ball, (640,480))
    clock = pygame.time.Clock()

    ball.update()
    paddle.update()
    blocks.update()

    screen.blit(font.render('Deaths: '+str(deaths), True, (255,255,255)), (10, 450))
    screen.blit(points, pointsrect)
    screen.blit(ball.image, ball.rect)
    screen.blit(paddle.image, paddle.rect)
    blocks.draw(screen)
    pygame.display.flip()

    while 1:
        clock.tick(60)

        # start added fullscreen functionality
        #events in your pygame app
        event1 = pygame.event.poll()
        if event1.type == KEYDOWN:
            if event1.key == K_ESCAPE:
                break    
            elif event1.key ==K_f:
            #toggle fullscreen by pressing F key.
                if flags&FULLSCREEN==False:
                    flags|=FULLSCREEN
                    pygame.display.set_mode(size, flags)
                else:
                    flags^=FULLSCREEN
                    pygame.display.set_mode(size, flags)
        # end added fullscreen functionality

        if not pygame.display.get_active():
            ball.paused = True
            paddle.paused = True
        else:
            if not ball.paused:
                ball.paused = False
            if not paddle.paused:
                paddle.paused = False

        for event in pygame.event.get():
            if event.type == QUIT:
                return
            if event.type == KEYDOWN:
                if event.key == K_ESCAPE:
                    return
                if event.key == K_RETURN:
                    ball.pause()
                    paddle.pause()

        if not balloff:
            if count < startballdelay:
                count += 1
                ball.x = paddle.rect.centerx-ball.rect.width/2
                ball.y = 430
            else:
                count = 0
                ball.dx = random.randint(-7,7)
                ball.dy = random.randint(-7,7)
                if ball.dy == 0: ball.dy = 1
                balloff = True

        if not ball.paused: ball.image.fill((random.randint(0,255), random.randint(0,255), random.randint(0,255)))

        if ball.belowscreen:
            ball.x = paddle.rect.centerx-ball.rect.width/2
            ball.y = 430
            ball.dx = 0
            ball.dy = 0
            balloff = False
            ball.belowscreen = False
            deaths += 1

        if len(blocks) == 0:
            if type(level) == int:
                level += 1
                if './data/levels/lvl'+str(level)+'.lvl' in os.listdir('./data/levels/'):
                    blocks = load_level('./data/levels/lvl'+str(level)+'.lvl')
                else:
                    lastscreeen(screen, ball.points, deaths)
                    return
                ball.blocks = blocks
                ball.dx = 0
                ball.dy = 0
                balloff = False
                ball.belowscreen = False
            else:
                lastscreen(screen, ball.points, deaths)
                return

        if not ai:
            ## MAIN CONTROL INPUT HERE
            # Pupil labs message retrieval 
            try:
                topic,msg =  socket.recv_multipart()
                msg = json.loads(msg)
                print msg
                if len(msg) == 1:
                    msg_dict=msg[0]
                    if pos_name in msg_dict:
                        try:
                            # extract screen coordinate and transform to game coordinates
                            screen_coord = msg_dict.get(pos_name)
                            screen_x = screen_coord[0]
                            paddle.x = float(screen_x)*640.0-25.0
                        except KeyError:
                            pass
            except KeyError:
                pass
        
        else: paddle.x = ball.x-ball.rect.width/2-paddle.rect.width/2

        points = font.render('Points: '+str(ball.points), True, (255,255,255))
        pointsrect = points.get_rect()
        pointsrect.x = 630 - pointsrect.width
        pointsrect.y = 450

        paddle.update()
        ball.update()
        blocks.update()
        screen.fill((0,0,0))
        screen.blit(font.render('Deaths: '+str(deaths), True, (255,255,255)), (10, 450))
        screen.blit(points, pointsrect)
        screen.blit(paddle.image, paddle.rect)
        screen.blit(ball.image, ball.rect)
        blocks.draw(screen)
        pygame.display.flip()
Exemplo n.º 21
0
    print ti + "] Handling new message " 
    #print msg
    
    if len(msg) == 4:
        msgfrom = msg[0]
        msgtxt  = msg[1]
        msgid   = msg[2]
        reply_wanted = msg[3]
        print "\tid:" + msgid + " reply_wanted:" + reply_wanted
        
        if reply_wanted == "1":
            print "\tthey want a reply. sending it."
            socket.send_multipart([msgfrom, 'fooreply', msgid])

        
routerport = 8123
myname = "ZMQROUTERDEMO"

context = zmq.Context()
print "Create ROUTER socket on " + str(routerport)
socket = context.socket(zmq.ROUTER)
socket.bind("tcp://*:" + str(routerport))
socket.setsockopt(zmq.IDENTITY, myname)


print "main] loop running"

while True:
    m = socket.recv_multipart()
    thread = threading.Thread(target=handler, args=(socket,m,))
    thread.start()
Exemplo n.º 22
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#!/usr/bin/python

import sys
import zmq
import time
import socket

print("Server Started")
context = zmq.Context()
socket = context.socket(zmq.ROUTER)
socket.setsockopt(zmq.SNDHWM, 10000)
socket.bind("tcp://*:5556")

while True:
    # socket.send_string("%i %i %i" % (11102, *mouse.position))
    string = socket.recv_multipart()
    print(string)
    res = socket.send_string("GOT IT !")
    print(res)
# rc = zmq_connect(socket, "pgm://192.168.1.1;239.192.1.1:5555"); assert (rc == 0);