298 lines
10 KiB
Python
298 lines
10 KiB
Python
"""
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PlexGDM.py - Version 0.2
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This class implements the Plex GDM (G'Day Mate) protocol to discover
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local Plex Media Servers. Also allow client registration into all local
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media servers.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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"""
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import socket
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import threading
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import time
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from xbmc import sleep
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import downloadutils
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from utils import window, logging, settings
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@logging
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class plexgdm:
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def __init__(self):
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self.discover_message = 'M-SEARCH * HTTP/1.0'
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self.client_header = '* HTTP/1.0'
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self.client_data = None
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self.client_id = None
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self._multicast_address = '239.0.0.250'
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self.discover_group = (self._multicast_address, 32414)
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self.client_register_group = (self._multicast_address, 32413)
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self.client_update_port = 32412
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self.server_list = []
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self.discovery_interval = 120
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self._discovery_is_running = False
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self._registration_is_running = False
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self.discovery_complete = False
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self.client_registered = False
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self.download = downloadutils.DownloadUtils().downloadUrl
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def clientDetails(self, options):
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self.client_data = (
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"Content-Type: plex/media-player\r\n"
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"Resource-Identifier: %s\r\n"
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"Name: %s\r\n"
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"Port: %s\r\n"
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"Product: %s\r\n"
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"Version: %s\r\n"
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"Protocol: plex\r\n"
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"Protocol-Version: 1\r\n"
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"Protocol-Capabilities: timeline,playback,navigation,"
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"mirror,playqueues\r\n"
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"Device-Class: HTPC"
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) % (
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options['uuid'],
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options['client_name'],
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options['myport'],
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options['addonName'],
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options['version']
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)
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self.client_id = options['uuid']
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def getClientDetails(self):
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if not self.client_data:
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self.logMsg("Client data has not been initialised. Please use "
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"PlexGDM.clientDetails()", -1)
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return self.client_data
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def client_update(self):
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update_sock = socket.socket(socket.AF_INET,
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socket.SOCK_DGRAM,
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socket.IPPROTO_UDP)
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# Set socket reuse, may not work on all OSs.
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try:
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update_sock.setsockopt(socket.SOL_SOCKET,
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socket.SO_REUSEADDR,
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1)
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except:
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pass
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# Attempt to bind to the socket to recieve and send data. If we cant
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# do this, then we cannot send registration
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try:
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update_sock.bind(('0.0.0.0', self.client_update_port))
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except:
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self.logMsg("Unable to bind to port [%s] - client will not be "
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"registered" % self.client_update_port, -1)
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return
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update_sock.setsockopt(socket.IPPROTO_IP,
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socket.IP_MULTICAST_TTL,
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255)
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update_sock.setsockopt(socket.IPPROTO_IP,
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socket.IP_ADD_MEMBERSHIP,
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socket.inet_aton(
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self._multicast_address) +
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socket.inet_aton('0.0.0.0'))
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update_sock.setblocking(0)
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self.logMsg("Sending registration data: HELLO %s\r\n%s"
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% (self.client_header, self.client_data), 2)
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# Send initial client registration
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try:
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update_sock.sendto("HELLO %s\r\n%s"
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% (self.client_header, self.client_data),
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self.client_register_group)
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except:
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self.logMsg("Unable to send registration message", -1)
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# Now, listen for client discovery reguests and respond.
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while self._registration_is_running:
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try:
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data, addr = update_sock.recvfrom(1024)
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self.logMsg("Recieved UDP packet from [%s] containing [%s]"
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% (addr, data.strip()), 2)
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except socket.error:
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pass
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else:
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if "M-SEARCH * HTTP/1." in data:
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self.logMsg("Detected client discovery request from %s. "
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" Replying" % str(addr), 2)
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try:
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update_sock.sendto("HTTP/1.0 200 OK\r\n%s"
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% self.client_data,
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addr)
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except:
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self.logMsg("Unable to send client update message", -1)
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self.logMsg("Sending registration data HTTP/1.0 200 OK", 2)
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self.client_registered = True
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sleep(500)
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self.logMsg("Client Update loop stopped", 1)
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# When we are finished, then send a final goodbye message to
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# deregister cleanly.
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self.logMsg("Sending registration data: BYE %s\r\n%s"
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% (self.client_header, self.client_data), 2)
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try:
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update_sock.sendto("BYE %s\r\n%s"
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% (self.client_header, self.client_data),
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self.client_register_group)
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except:
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self.logMsg("Unable to send client update message", -1)
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self.client_registered = False
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def check_client_registration(self):
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if self.client_registered and self.discovery_complete:
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if not self.server_list:
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self.logMsg("Server list is empty. Unable to check", 1)
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return False
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try:
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for server in self.server_list:
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if server['uuid'] == window('plex_machineIdentifier'):
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media_server = server['server']
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media_port = server['port']
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scheme = server['protocol']
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break
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else:
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self.logMsg("Did not find our server!", 0)
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return False
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self.logMsg("Checking server [%s] on port [%s]"
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% (media_server, media_port), 2)
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client_result = self.download(
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'%s://%s:%s/clients' % (scheme, media_server, media_port))
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registered = False
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for client in client_result:
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if (client.attrib.get('machineIdentifier') ==
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self.client_id):
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registered = True
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if registered:
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self.logMsg("Client registration successful", 1)
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self.logMsg("Client data is: %s" % client_result, 2)
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return True
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else:
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self.logMsg("Client registration not found", 1)
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self.logMsg("Client data is: %s" % client_result, 1)
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except:
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self.logMsg("Unable to check status", 0)
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pass
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return False
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def getServerList(self):
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return self.server_list
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def discover(self):
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currServer = window('pms_server')
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if not currServer:
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return
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currServerProt, currServerIP, currServerPort = \
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currServer.split(':')
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currServerIP = currServerIP.replace('/', '')
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# Currently active server was not discovered via GDM; ADD
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self.server_list = [{
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'port': currServerPort,
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'protocol': currServerProt,
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'class': None,
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'content-type': 'plex/media-server',
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'discovery': 'auto',
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'master': 1,
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'owned': '1',
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'role': 'master',
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'server': currServerIP,
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'serverName': window('plex_servername'),
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'updated': int(time.time()),
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'uuid': window('plex_machineIdentifier'),
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'version': 'irrelevant'
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}]
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def setInterval(self, interval):
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self.discovery_interval = interval
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def stop_all(self):
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self.stop_discovery()
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self.stop_registration()
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def stop_discovery(self):
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if self._discovery_is_running:
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self.logMsg("Discovery shutting down", 0)
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self._discovery_is_running = False
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self.discover_t.join()
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del self.discover_t
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else:
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self.logMsg("Discovery not running", 0)
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def stop_registration(self):
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if self._registration_is_running:
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self.logMsg("Registration shutting down", 0)
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self._registration_is_running = False
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self.register_t.join()
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del self.register_t
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else:
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self.logMsg("Registration not running", 0)
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def run_discovery_loop(self):
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# Run initial discovery
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self.discover()
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discovery_count = 0
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while self._discovery_is_running:
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discovery_count += 1
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if discovery_count > self.discovery_interval:
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self.discover()
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discovery_count = 0
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sleep(500)
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def start_discovery(self, daemon=False):
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if not self._discovery_is_running:
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self.logMsg("Discovery starting up", 0)
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self._discovery_is_running = True
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self.discover_t = threading.Thread(target=self.run_discovery_loop)
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self.discover_t.setDaemon(daemon)
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self.discover_t.start()
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else:
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self.logMsg("Discovery already running", 0)
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def start_registration(self, daemon=False):
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if not self._registration_is_running:
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self.logMsg("Registration starting up", 0)
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self._registration_is_running = True
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self.register_t = threading.Thread(target=self.client_update)
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self.register_t.setDaemon(daemon)
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self.register_t.start()
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else:
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self.logMsg("Registration already running", 0)
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def start_all(self, daemon=False):
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self.start_discovery(daemon)
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if settings('plexCompanion') == 'true':
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self.start_registration(daemon)
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