def __init__(self, exec_path, nodeid, bind_ip, webuiport, comport, masterip=None, masterport=None):
self.ismaster = True
self.exec_path = exec_path
self.nodeid = nodeid
self.bindip = bind_ip
self.webuiport = webuiport
self.comport = comport
self.masterip = masterip
self.masterport = masterport
self.user_appdata_directory = None
self.started_at = time.time()
self.last_tick_at = self.started_at
self.uptime = 0
self.public_ip = "Not yet known"
if platform.system() == "Darwin":
self.user_appdata_directory = os.path.expanduser("~/Library/ServerSync/%s" % (self.nodeid))
elif platform.system() == "Linux":
self.user_appdata_directory = os.path.expanduser("~/.config/ServerSync/%s" % (self.nodeid)) # inspired by Google Chrome location
elif platform.system() == "Windows":
self.user_appdata_directory = os.path.expanduser("~\\AppData\\Local\\ServerSync\\%s" % (self.nodeid))
else:
raise("Platform not supported")
if masterip is None:
self.print("Setting up node %s as master\n" % (nodeid))
else :
self.ismaster = False
self.print("Setting up node %s.\n" % (nodeid))
self.print(" will ask peer list to node at %s:%s\n" % (masterip, masterport))
self.print("Control panel is on port %s\n" % (webuiport))
self.print("Listen for other nodes on port %s\n" % (comport))
# create a directory for the application if not aready exists
if not os.path.exists(self.user_appdata_directory):
os.makedirs(self.user_appdata_directory)
self.updater = Updater()
#m = multiprocessing.Manager()
self.q_peerstore_in = multiprocessing.Queue() #m.Queue() #for networked multiprocessing
self.q_peerstore_out = multiprocessing.Queue()
self.q_comwebserver_in = multiprocessing.Queue() #m.Queue() #for networked multiprocessing
self.q_comwebserver_out = multiprocessing.Queue()
self.q_client_in = multiprocessing.Queue()
self.q_client_out = multiprocessing.Queue()
self.q_uiwebserver_in = multiprocessing.Queue()
self.q_uiwebserver_out = multiprocessing.Queue()
self.q_logger_in = multiprocessing.Queue()
self.q_logger_out = multiprocessing.Queue()
self.q_console_out = multiprocessing.Queue()
self.peerstore = PeerStore(THREAD_SLEEP_TIME, self.q_peerstore_in, self.q_peerstore_out, "PeerStore", self.user_appdata_directory, self.comport, self.nodeid, self.masterip, self.masterport)
self.uiwebserver = UIWebServer(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_uiwebserver_in, self.q_uiwebserver_out, self.webuiport, self.nodeid, "UIWebServer")
self.logger = Logger(THREAD_SLEEP_TIME, self.q_logger_in, self.q_logger_out, self.nodeid, "Logger")
self.comwebserver = ComWebServer(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_comwebserver_in, self.q_comwebserver_out, self.comport, self.nodeid, "ComWebServer")
self.client = Client(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_client_in, self.q_client_out, self.nodeid, "Client")
self.console = Console(self.q_console_out, sys.stdin, sys.stdout, self.nodeid, "Console")
self.running = False
self.should_restart = False
class ServerSync(object):
def __init__(self, exec_path, nodeid, bind_ip, webuiport, comport, masterip=None, masterport=None):
self.ismaster = True
self.exec_path = exec_path
self.nodeid = nodeid
self.bindip = bind_ip
self.webuiport = webuiport
self.comport = comport
self.masterip = masterip
self.masterport = masterport
self.user_appdata_directory = None
self.started_at = time.time()
self.last_tick_at = self.started_at
self.uptime = 0
self.public_ip = "Not yet known"
if platform.system() == "Darwin":
self.user_appdata_directory = os.path.expanduser("~/Library/ServerSync/%s" % (self.nodeid))
elif platform.system() == "Linux":
self.user_appdata_directory = os.path.expanduser("~/.config/ServerSync/%s" % (self.nodeid)) # inspired by Google Chrome location
elif platform.system() == "Windows":
self.user_appdata_directory = os.path.expanduser("~\\AppData\\Local\\ServerSync\\%s" % (self.nodeid))
else:
raise("Platform not supported")
if masterip is None:
self.print("Setting up node %s as master\n" % (nodeid))
else :
self.ismaster = False
self.print("Setting up node %s.\n" % (nodeid))
self.print(" will ask peer list to node at %s:%s\n" % (masterip, masterport))
self.print("Control panel is on port %s\n" % (webuiport))
self.print("Listen for other nodes on port %s\n" % (comport))
# create a directory for the application if not aready exists
if not os.path.exists(self.user_appdata_directory):
os.makedirs(self.user_appdata_directory)
self.updater = Updater()
#m = multiprocessing.Manager()
self.q_peerstore_in = multiprocessing.Queue() #m.Queue() #for networked multiprocessing
self.q_peerstore_out = multiprocessing.Queue()
self.q_comwebserver_in = multiprocessing.Queue() #m.Queue() #for networked multiprocessing
self.q_comwebserver_out = multiprocessing.Queue()
self.q_client_in = multiprocessing.Queue()
self.q_client_out = multiprocessing.Queue()
self.q_uiwebserver_in = multiprocessing.Queue()
self.q_uiwebserver_out = multiprocessing.Queue()
self.q_logger_in = multiprocessing.Queue()
self.q_logger_out = multiprocessing.Queue()
self.q_console_out = multiprocessing.Queue()
self.peerstore = PeerStore(THREAD_SLEEP_TIME, self.q_peerstore_in, self.q_peerstore_out, "PeerStore", self.user_appdata_directory, self.comport, self.nodeid, self.masterip, self.masterport)
self.uiwebserver = UIWebServer(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_uiwebserver_in, self.q_uiwebserver_out, self.webuiport, self.nodeid, "UIWebServer")
self.logger = Logger(THREAD_SLEEP_TIME, self.q_logger_in, self.q_logger_out, self.nodeid, "Logger")
self.comwebserver = ComWebServer(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_comwebserver_in, self.q_comwebserver_out, self.comport, self.nodeid, "ComWebServer")
self.client = Client(THREAD_SLEEP_TIME, self.exec_path, self.bindip, self.q_client_in, self.q_client_out, self.nodeid, "Client")
self.console = Console(self.q_console_out, sys.stdin, sys.stdout, self.nodeid, "Console")
self.running = False
self.should_restart = False
def start(self):
# we will fork the subprocesses now so we disable the signal handling for them
# we will enable it later
signal.signal(signal.SIGINT, signal.SIG_IGN)
# start process
self.comwebserver.start()
self.uiwebserver.start()
self.client.start()
self.logger.start()
self.peerstore.start()
# catch CTRL+C
signal.signal(signal.SIGINT, self.signal_handler)
# start threads
self.console.start()
self.running = True
self.q_logger_in.put(Message("System", "Logger", "register", ["System"]))
while(self.running):
time.sleep(MAIN_SLEEP_TIME)
m = self.process_queues()
# each second we send a tick to some of the processes telling them since how manytime we run
if int(time.time() - self.last_tick_at) >= 1:
self.last_tick_at = time.time()
self.uptime = int(time.time() - self.started_at)
self.q_peerstore_in.put(Message(self.nodeid, "PeerStore", "tick", [self.uptime]))
self.q_comwebserver_in.put(Message(self.nodeid, "ComWebServer", "tick", [self.uptime]))
self.q_uiwebserver_in.put(Message(self.nodeid, "UIWebServer", "tick", [self.uptime]))
self.q_logger_in.put(Message(self.nodeid, "Logger", "tick", [self.uptime]))
# We send poison pill to threads only if they are not configured to loop based on a sleep time (blocking queues)
if THREAD_SLEEP_TIME is 0:
self.poison_pill_queues()
self.print("Shutdown client and server processes...\n")
# ask the client and server process to shut down, except if we received a kill signal
self.print("Wait for gracefull stop\n")
self.q_client_in.put(Message(self.nodeid, "Client", "kill", []))
self.q_comwebserver_in.put(Message(self.nodeid, "ComWebServer", "kill", []))
self.q_uiwebserver_in.put(Message(self.nodeid, "UIWebServer", "kill", []))
self.q_logger_in.put(Message(self.nodeid, "Logger", "kill", []))
self.q_peerstore_in.put(Message(self.nodeid, "PeerStore", "kill", []))
time.sleep(1)
# read what remains in the queues
self.process_queues()
# Wait for the worker to finish
self.comwebserver.join()
self.print("ComWebServer joined\n")
self.uiwebserver.join()
self.print("UIWebServer joined\n")
self.logger.join()
self.print("Logger joined\n")
self.client.join()
self.print("Client joined\n")
self.peerstore.join()
self.print("PeerStore joined\n")
self.console.cancel()
self.print("Console joined\n")
self.print("Stopped\n")
return self.should_restart
def poison_pill_queues(self):
self.q_comwebserver_in.put(Message(self.nodeid, "ComWebServer", "pill", []))
self.q_uiwebserver_in.put(Message(self.nodeid, "UIWebServer", "pill", []))
self.q_logger_in.put(Message(self.nodeid, "Logger", "pill", []))
self.q_peerstore_in.put(Message(self.nodeid, "PeerStore", "pill", []))
def process_queues(self):
q_comwebserver_out_empty = False
q_client_out_empty = False
q_uiwebserver_out_empty = False
q_logger_out_empty = False
q_peerstore_out_empty = False
q_console_out_empty = False
while (not q_comwebserver_out_empty) or (not q_client_out_empty) or (not q_uiwebserver_out_empty) or (not q_logger_out_empty) or (not q_peerstore_out_empty) or (not q_console_out_empty):
try:
m = self.q_console_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_console_out_empty = True
try:
m = self.q_uiwebserver_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_uiwebserver_out_empty = True
try:
m = self.q_logger_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_logger_out_empty = True
try:
m = self.q_comwebserver_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_comwebserver_out_empty = True
try:
m = self.q_peerstore_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_peerstore_out_empty = True
try:
m = self.q_client_out.get(False)
self.dispatch_message(m)
except Exception as e:
q_client_out_empty = True
def dispatch_message(self, message):
try:
#
# intercept message like exit/quit/restart
#
if message.destination == "System":
if message.command == "halt" or message.command == "stop":
self.running = False
elif message.command == "restart":
self.running = False
self.should_restart = True
elif message.command == "PublicIpDiscovered":
self.public_ip = message.arguments[0]
elif message.command == "GetVersion":
self.print("\n\nreceived Get Version FROM %s\n\n" % (message.sender_id))
m = Message("System", message.sender_id, "GetVersion_ret",
[{
"current_version": self.updater.current_version,
"new_version": self.updater.new_version_available
}], communication_id=message.communication_id)
self.q_uiwebserver_in.put(m)
elif message.command == "increment":
message.destination = "UIWebServer" # useless step ? the message wil not be dispatched anymore, no nee to change its dest
self.q_uiwebserver_in.put(message)
elif message.command == "uptime":
m = Message("System", "Logger", "print", ["Running since %s (hh:mm:ss)\n" % (time.strftime('%H:%M:%S', time.gmtime(self.uptime)))])
self.q_logger_in.put(m)
elif message.command == "print":
self.print("%s %s %s\n"%(message.sender_id, message.command, message.arguments))
elif message.command == "exception":
self.print("%s Catched exception: %s \n"%(message.sender_id, [message.arguments[0]]))
elif message.command == "NodeInfo":
m = Message("System", message.sender_id, "NodeInfo_ret",
[{"ismaster": self.ismaster, "nodeid": self.nodeid,
"webuiport": self.webuiport, "comport": self.comport,
"masterip": self.masterip, "masterport": self.masterport,
"user_appdata_directory": self.user_appdata_directory,
"started_at": self.started_at, "uptime": self.uptime,
"public_ip": self.public_ip,
"version": self.updater.current_version
}], communication_id=message.communication_id)
self.q_uiwebserver_in.put(m)
#
# we also intercept print comands
#
elif message.destination == "Logger":
if self.running:
self.q_logger_in.put(message)
else:
# if no logger running we fallback to the system print
self.print("%s %s %s\n"%(message.sender_id, message.command, message.arguments))
elif message.destination == "PeerStore":
self.q_peerstore_in.put(message)
elif message.destination == "UIWebServer":
self.q_uiwebserver_in.put(message)
elif message.destination == "ComWebServer":
self.q_comwebserver_in.put(message)
elif message.destination == "Client":
self.q_client_in.put(message)
#
# dispatch other messages
#
else :
self.print("Message dispatcher received a msg for the unknown destination '%s'\n" % (message.destination))
except Exception as e:
self.print("Exception while dispatching message '%s'\n" % ([e]))
def print(self, message):
sys.stdout.write("%s => %s" % (datetime.datetime.utcnow().strftime("%Y %b %d %H:%M:%S %Z "), message))
sys.stdout.flush()
def signal_handler(self, sig, frame):
if sig == signal.SIGINT:
self.print("Please type 'halt' or 'stop' to close the program or 'restart' to full restart\n")