73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
import argparse
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import datetime
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import random
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import socket
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import string
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import time
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BUFFER_SIZE = 2048
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ENCODING = 'ascii'
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threads = {}
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to_join = []
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parser = argparse.ArgumentParser(description="Msg client")
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parser.add_argument("-s", "--sleep", type=float, help="sleep time between two sendings", default=5.0)
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parser.add_argument("-n", "--nb", type=int, help="number of requests done", default=5)
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parser.add_argument("-B", "--bulk", help="if set, don't wait for reply to send another packet", action="store_true")
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parser.add_argument("-b", "--bytes", type=int, help="number of bytes to send and receive", default=1200)
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args = parser.parse_args()
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def string_generator(size=6, chars=string.ascii_uppercase + string.digits):
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return ''.join(random.choice(chars) for _ in range(size))
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# Create a TCP/IP socket
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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# Handle reusing the same 5-tuple if the previous one is still in TIME_WAIT
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_CORK, 0)
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# Bind the socket to the port
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server_address = ('10.1.0.1', 8000)
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print("Try to connect to %s port %s" % server_address)
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sock.connect(server_address)
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delays = []
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try:
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for i in range(args.nb):
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time.sleep(args.sleep)
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request = string_generator(size=args.bytes, chars=string.digits)
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start_time = datetime.datetime.now()
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sock.sendall(request.encode(ENCODING))
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if args.bulk:
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continue
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buffer_data = ""
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while len(buffer_data) < args.bytes:
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data = sock.recv(BUFFER_SIZE).decode(ENCODING)
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if len(data) == 0:
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# Connection closed at remote; close the connection
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break
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buffer_data += data
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if len(buffer_data) == args.bytes:
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stop_time = datetime.datetime.now()
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delays.append(stop_time - start_time)
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else:
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print("An issue occured...")
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break
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finally:
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# Clean up the connection
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print("Closing connection")
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sock.close()
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for delay in delays:
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print(delay.total_seconds())
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