class Slave:
def __init__(self, masterAddr, slavePort):
self.masterAddr = masterAddr
self.syncCmd = Event()
self.activeSlave = Event()
self.sSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sSocket.bind(('', slavePort))
self.sSocket.listen(16)
self.acceptThread = threading.Thread(None, target=self.listen)
self.acceptThread.setDaemon(True)
self.acceptThread.start()
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(self.masterAddr)
sock.send(bytes('SLAVE', 'UTF-8'))
sock.close()
except Exception as e:
print(masterAddr, ': ', e)
self.pingThread = threading.Thread(None, target=self.ping)
self.pingThread.setDaemon(True)
self.pingThread.start()
def listen(self):
while(True):
try:
conn = self.sSocket.accept()[0]
data = str(conn.recv(1024), 'UTF-8')
self.syncCmd.emit(data)
conn.close()
except:
pass
def ping(self):
try:
while(True):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(self.masterAddr)
sock.send(bytes('PING', 'UTF-8'))
time.sleep(0.2)
sock.close()
except:
self.activeSlave.emit()
def __init__(self, masterAddr, slavePort):
self.masterAddr = masterAddr
self.syncCmd = Event()
self.activeSlave = Event()
self.sSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sSocket.bind(('', slavePort))
self.sSocket.listen(16)
self.acceptThread = threading.Thread(None, target=self.listen)
self.acceptThread.setDaemon(True)
self.acceptThread.start()
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(self.masterAddr)
sock.send(bytes('SLAVE', 'UTF-8'))
sock.close()
except Exception as e:
print(masterAddr, ': ', e)
self.pingThread = threading.Thread(None, target=self.ping)
self.pingThread.setDaemon(True)
self.pingThread.start()
