Python socket.IP_MULTICAST_TTL属性代码示例

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def run(self, ttl=None):
        if self.DISABLE_SSDP_LISTENER:
            return

        self.allow_reuse_address = True
        SocketServer.UDPServer.__init__(
            self, (self.host or '', self.SSDP_PORT), SSDPHandler)
        self.socket.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_ADD_MEMBERSHIP,
            self._multicast_struct(self.SSDP_ADDRESS))
        self.socket.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_MULTICAST_TTL,
            self.SSDP_TTL)

        if ttl:
            GObject.timeout_add(ttl * 1000, self.shutdown)

        setproctitle.setproctitle('ssdp_listener')
        self.serve_forever(self)
        logger.info('SSDPListener.run()') 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def _init_socket(self):
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
                             socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 10)
        sock.bind((self._root.bind_ip, COAP_PORT))
        if self._root.host_ip:
            mreq = struct.pack("=4s4s",
                               socket.inet_aton(COAP_IP),
                               socket.inet_aton(self._root.host_ip))
        else:
            mreq = struct.pack("=4sl",
                               socket.inet_aton(COAP_IP),
                               socket.INADDR_ANY)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
        sock.settimeout(15)
        self._socket = sock 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def checkState(self):
        """Detects and publishes any state change"""
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
        sock.sendto(self.ssdpRequest, ("239.255.255.250", 1900))
        while True:
            try:
                resp = sock.recv(1024)
                matchObj = re.match(r'.*USN: uuid:roku:ecp:([\w\d]{12}).*LOCATION: (http://.*/).*', resp, re.S)
                name = matchObj.group(1)
                ip = matchObj.group(2)
                if name not in sorted(self.ips.keys()) or self.ips[name] != ip:
                  self.logger.info('%s is now at %s' % (name, ip))
                  self.ips[name] = ip
                  self.publish(self.ips[name], self.rokus[name])
                else :
                  self.logger.info('%s is still at %s' % (name, ip))
            except socket.timeout:
                break
        sock.close() 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def init_v4(self):
        idx = socket.if_nametoindex(self.interface.name)
        self.multicast_address = (WSD_MCAST_GRP_V4, WSD_UDP_PORT)

        # v4: member_request (ip_mreqn) = { multicast_addr, intf_addr, idx }
        mreq = (
            socket.inet_pton(self.family, WSD_MCAST_GRP_V4) +
            socket.inet_pton(self.family, self.address) +
            struct.pack('@I', idx))
        self.recv_socket.setsockopt(
            socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)

        try:
            self.recv_socket.bind((WSD_MCAST_GRP_V4, WSD_UDP_PORT))
        except OSError:
            self.recv_socket.bind(('', WSD_UDP_PORT))

        self.send_socket.setsockopt(
            socket.IPPROTO_IP, socket.IP_MULTICAST_IF, mreq)
        self.send_socket.setsockopt(
            socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 0)
        self.send_socket.setsockopt(
            socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, args.hoplimit)

        self.listen_address = (self.address, WSD_HTTP_PORT) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def sender(group):
    addrinfo = socket.getaddrinfo(group, None)[0]

    s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)

    # Set Time-to-live (optional)
    ttl_bin = struct.pack('@i', MYTTL)
    if addrinfo[0] == socket.AF_INET: # IPv4
        s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
    else:
        s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)

    while True:
        data = repr(time.time()).encode('utf-8') + b'\0'
        s.sendto(data, (addrinfo[4][0], MYPORT))
        time.sleep(1) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def discover(service, timeout=5, retries=1, mx=3):
    group = (b"239.255.255.250", 1900)
    message = "\r\n".join([
        'M-SEARCH * HTTP/1.1',
        'HOST: {0}:{1}',
        'MAN: "ssdp:discover"',
        'ST: {st}',
        'MX: {mx}',
        '',
        ''])
    socket.setdefaulttimeout(timeout)
    responses = []
    for _ in range(retries):
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
        sock.sendto(message.format(*group, st=service, mx=mx).encode('utf-8'), group)
        while True:
            try:
                resp = SSDPResponse(sock.recv(1024))
                # responses[resp.location] = resp
                responses.append(resp)
            except socket.timeout:
                break
    return responses 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def perform_ssdp_discovery(service, timeout=5, retries=5, mx=3):
    # Standard multicast IP address and port for SSDP.
    group = ("239.255.255.250", 1900)

    message = "\r\n".join([
        "M-SEARCH * HTTP/1.1",
        "HOST: {0}:{1}",
        'MAN: "ssdp:discover"',
        "ST: {st}",
        "MX: {mx}"
    ]).format(*group, st=service, mx=mx)

    socket.setdefaulttimeout(timeout)

    sources = set()
    for _ in range(retries):
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
        sock.sendto(message.encode('utf-8'), group)
        while True:
            try:
                data, addr = sock.recvfrom(1024)
                response = SsdpResponse(data, addr)
                if addr[0] not in sources:
                    # We only want to return each node once.
                    sources.add(addr[0])
                    yield response
            except socket.timeout:
                break 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def _server_discovery(self):
        
        MULTI_GROUP = ("<broadcast>", 7359)
        MESSAGE = "who is EmbyServer?"
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        sock.settimeout(1.0) # This controls the socket.timeout exception
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
        sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_LOOP, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.SO_REUSEADDR, 1)
        
        LOG.debug("MultiGroup      : %s", str(MULTI_GROUP))
        LOG.debug("Sending UDP Data: %s", MESSAGE)
        servers = []

        try:
            sock.sendto(MESSAGE, MULTI_GROUP)
        except Exception as error:
            LOG.error(error)

            return servers

        while True:
            try:
                data, addr = sock.recvfrom(1024) # buffer size
                servers.append(json.loads(data))
            
            except socket.timeout:
                LOG.info("Found Servers: %s", servers)

                return servers
            
            except Exception as e:
                LOG.error("Error trying to find servers: %s", e)

                return servers 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def _search(self, host, ssdp_ttl, ssdp_mx, ssdp_amount):
        logger.debug('Binding socket to "{}" ...'.format(host or ''))
        sock = socket.socket(
            socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.settimeout(ssdp_mx)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_MULTICAST_TTL,
            ssdp_ttl)
        sock.bind((host, self.MSEARCH_PORT))

        for i in range(1, ssdp_amount + 1):
            t = threading.Timer(
                float(i) / 2, self._send_discover, args=[sock, ssdp_mx])
            t.start()

        while True:
            try:
                header, address = sock.recvfrom(self.BUFFER_SIZE)
                if self.cb_on_device_response:
                    guess = chardet.detect(header)
                    header = header.decode(guess['encoding'])
                    header = pulseaudio_dlna.plugins.dlna.ssdp._get_header_map(
                        header)
                    self.cb_on_device_response(header, address)
            except socket.timeout:
                break
        sock.close() 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def receiver(service='mihome'):
    from plugins import gateway

    assert service in MULTICAST, 'No such service'
    store = get_store()
    address, port = MULTICAST.get(service)
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    sock.bind(("0.0.0.0", port))
 
    mreq = struct.pack("=4sl", socket.inet_aton(address), socket.INADDR_ANY)
    sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 32)
    sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 1)
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, SOCKET_BUFSIZE)
    sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
    sock.settimeout(20)  # 2x of heartbeat period

    current = {}

    while True:
        try:
            data, _ = sock.recvfrom(SOCKET_BUFSIZE)  # buffer size is 1024 bytes
        except socket.timeout:
            continue
        print(datetime.now().isoformat(), data)
        if service == 'mihome':
            message = json.loads(data.decode())
            data = json.loads(message['data'])
            if message.get('model') in ('sensor_ht', 'weather.v1') and not sensor_ht.process(conn, cursor, current, message, data):
                continue
            elif message.get('model') == 'magnet':
                magnet.process(store, message, data)
            elif message.get('model') == 'gateway':
                gateway.process(store, message, data)
            current = {}
        elif service == 'yeelight':
            yeelight.process(data.decode()) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def discover():
    from mihome import MULTICAST, SOCKET_BUFSIZE

    # Empty stored list
    store.delete(STORE_KEY)

    address, port = MULTICAST.get('yeelight')
    yee_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    yee_socket.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 32)
    yee_socket.sendto('\r\n'.join(YEE_DISCOVER).encode(), (address, port))
    
    while True:
        data, _ = yee_socket.recvfrom(SOCKET_BUFSIZE)
        add_device(get_data(data.decode())) 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def send(data, *, group=DEFAULT_GROUP, port=DEFAULT_PORT, ttl=None):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    if ttl is not None:
        packed_ttl = struct.pack('b', ttl)
        s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, packed_ttl)
    try:
        s.sendto(data, (group, port))
    finally:
        s.close() 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def __init__(self, summary_table, group=DEFAULT_GROUP, port=DEFAULT_PORT, ttl=None):
        self._socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        try:
            if ttl is not None:
                packed_ttl = struct.pack('b', ttl)
                self._socket.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, packed_ttl)
        except Exception:
            self._socket.close()
            raise
        self._summary_table = summary_table
        self._group = group
        self._port = port 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def discover_MediaPlayer(self):
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 4)
        s.bind(("", SSDP_BROADCAST_PORT + 20))

        s.sendto(SSDP_BROADCAST_MSG.encode("UTF-8"), (SSDP_BROADCAST_ADDR,
                                                      SSDP_BROADCAST_PORT))

        s.settimeout(5.0)

        devices = []

        while True:

            try:
                data, addr = s.recvfrom(self.SOCKET_BUFSIZE)
                if len(data) is None:
                    continue

            except socket.timeout:
                break

            try:
                info = [a.split(":", 1) for a in data.decode("UTF-8").split("\r\n")[1:]]
                device = dict([(a[0].strip().lower(), a[1].strip()) for a in info if len(a) >= 2])
                devices.append(device)
            except:
                pass

        devices_urls = [device["location"] for device in devices if "AVTransport" in device["st"]]
        devices_urls = list(set(devices_urls))
        devices = []
        for location_url in devices_urls:
            device = self.register_device(location_url)
            if device != None:
                devices.append(device)

        return devices 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import IP_MULTICAST_TTL [as 别名]
def __init__(self):
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        self.socket.settimeout(3.0)
        self.socket.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.socket.bind(('', 0))