def __init__(self,Server_Address=(socketLib.findByDomain("T2"),80)):
self.lowerLayer = physicalLayer.PhysicalLayer()
self.timeLimit=30
myAddress = (socketLib.findByDomain("T2"),84)
signal.signal(signal.SIGALRM,self.alarmHandler)
socket, AF_INET, SOCK_DGRAM, self.timeout = socketLib.socket, socketLib.AF_INET, socketLib.SOCK_DGRAM, socketLib.timeout
self.receivedmsg=[]
self.Server_Address = Server_Address
## receivingThr = thread(target=self.receiveMessage)
## receivingThr.start()
## lock = threading.Lock()
with socket(AF_INET,SOCK_DGRAM) as self.sock:
self.sock.bind(myAddress)
self.sock.settimeout(10) # 10 second timeout
print ("UDP_Client started for UDP_Server at IP address {} on port {}".format(
self.Server_Address[0],self.Server_Address[1]))
# Auto sending first message
self.sendStrMessage("Hello Server!")
# Recieve response
## self.receiveMessage()
while True:
## try:
time.sleep(2)
timeout=time.time()+self.timeLimit
while self.receivedmsg==[]: #and time.time()< timeout:
self.receiveMessage()
time.sleep(.1)
for i in range(len(self.receivedmsg)):
print (self.receivedmsg[i])
self.receivedmsg=[]
self.userInput()
## self.receiveMessage()
## print('went to recive messages')
## except Exception as e:
## print('reach here')
## print(e)
## self.receiveMessage()
print("UDP_Client ended")
def __init__(self, Server_Address=(socketLib.findByDomain("T2"), 80)):
self.lowerLayer = physicalLayer.PhysicalLayer()
self.timeLimit = 30
myAddress = (socketLib.findByDomain("T2"), 84)
signal.signal(signal.SIGALRM, self.alarmHandler)
socket, AF_INET, SOCK_DGRAM, self.timeout = socketLib.socket, socketLib.AF_INET, socketLib.SOCK_DGRAM, socketLib.timeout
self.receivedmsg = []
self.Server_Address = Server_Address
## receivingThr = thread(target=self.receiveMessage)
## receivingThr.start()
## lock = threading.Lock()
with socket(AF_INET, SOCK_DGRAM) as self.sock:
self.sock.bind(myAddress)
self.sock.settimeout(10) # 10 second timeout
print(
"UDP_Client started for UDP_Server at IP address {} on port {}"
.format(self.Server_Address[0], self.Server_Address[1]))
# Auto sending first message
self.sendStrMessage("Hello Server!")
# Recieve response
## self.receiveMessage()
while True:
## try:
time.sleep(2)
timeout = time.time() + self.timeLimit
while self.receivedmsg == []: #and time.time()< timeout:
self.receiveMessage()
time.sleep(.1)
for i in range(len(self.receivedmsg)):
print(self.receivedmsg[i])
self.receivedmsg = []
self.userInput()
## self.receiveMessage()
## print('went to recive messages')
## except Exception as e:
## print('reach here')
## print(e)
## self.receiveMessage()
print("UDP_Client ended")
def __init__(self,Server_Address=(socketLib.findByDomain("T3"),80)):
myAddress = (socketLib.findByDomain("T3"),84)
socket, AF_INET, SOCK_DGRAM, timeout = socketLib.socket, socketLib.AF_INET, socketLib.SOCK_DGRAM, socketLib.timeout
self.Server_Address = Server_Address
with socket(AF_INET,SOCK_DGRAM) as sock:
sock.bind(myAddress)
sock.settimeout(2.0) # 2 second timeout
print ("UDP_Client started for CN_Echo_Server at IP address {} on port {}".format(
Server_Address[0],Server_Address[1])
)
while True:
str_message_to_send = input("Enter message to send to echo server:\n")
if not str_message_to_send:
break
sent_bytearray_message = bytearray(str_message_to_send,encoding="UTF-8")
bytes_sent = sock.sendto(sent_bytearray_message, self.Server_Address)
print ("{} bytes sent".format(bytes_sent))
address_received = ("a.b.c.d",(-1))
while Server_Address != address_received:
try:
bytearray_message_received, address_received = sock.recvfrom(1500)
if address_received != self.Server_Address:
print( "\n message from {} ignored".format(address_received))
except timeout:
continue
str_message_received = bytearray_message_received.decode("UTF-8")
print ("\n{} bytes received".format(len(bytearray_message_received)))
print ("message received:\n{}".format(str_message_received))
print ("UDP_Client ended")
def __init__(self, IP=socketLib.findByDomain("T3"), port=80):
socket, AF_INET, SOCK_DGRAM, timeout = (
socketLib.socket,
socketLib.AF_INET,
socketLib.SOCK_DGRAM,
socketLib.timeout,
)
with socket(AF_INET, SOCK_DGRAM) as sock:
sock.bind((IP, port))
sock.settimeout(2.0) # 2 second timeout
print("UDP Server started on IP Address {}, port {}".format(IP, port))
while True:
try:
bytearray_msg, address = sock.recvfrom(1024)
source_IP, source_port = address
print(
"\n{} byte message received from ip address {}, port {}:".format(
len(bytearray_msg), source_IP, source_port
)
)
print("\n" + bytearray_msg.decode("UTF-8"))
lenx = sock.sendto(bytearray_msg, address)
print("\n{} byte message echoed")
except timeout:
continue
def __init__(self, IP=socketLib.findByDomain("T3"), port=80):
socket, AF_INET, SOCK_DGRAM, timeout = socketLib.socket, socketLib.AF_INET, socketLib.SOCK_DGRAM, socketLib.timeout
with socket(AF_INET, SOCK_DGRAM) as sock:
sock.bind((IP, port))
sock.settimeout(2.0) # 2 second timeout
print("UDP Server started on IP Address {}, port {}".format(
IP, port))
while True:
try:
bytearray_msg, address = sock.recvfrom(1024)
source_IP, source_port = address
print(
"\n{} byte message received from ip address {}, port {}:"
.format(len(bytearray_msg), source_IP, source_port))
print("\n" + bytearray_msg.decode("UTF-8"))
lenx = sock.sendto(bytearray_msg, address)
print("\n{} byte message echoed")
except timeout:
continue
def __init__(self,IP=socketLib.findByDomain("T3"),port=80):
while True:
self.run_the_chat(IP,port)