[原创] python udt4 for windows appclient.py

#coding: utf-8

import ctypes as _ctypes
from ctypes import wintypes as _wtypes
import threading
import time
import struct
from udt4py import *



fd = udt_socket()
ret = udt_connect(fd,"127.0.0.1",9000)
if ret == 0:
    print("connect success")
else:
    print("connect fail")
    import os
    os._exit(0)
    


    
size = 100000
data = None
for i in range(0,10000):
    for j in range(0,10):
        if data is None:
            data = struct.pack("B", j+1 )
        else:
            data += struct.pack("B", j +1)


def worker(param):
    global ssize
    print("SendRate(Mb/s)\tRTT(ms)\tCWnd\tPktSndPeriod(us)\tRecvACK\t\tRecvNAK")
    while  True:
        monitor = udt_monitor(param)
        print("%.1f\t\t%.1f\t%.1f\t%.1f\t\t\t%d\t\t%d"%(monitor.mbpsSendRate,
                                          monitor.msRTT,
                                          monitor.pktCongestionWindow,
                                          monitor.usPktSndPeriod,
                                          monitor.pktRecvACK,
                                          monitor.pktRecvNAK
                                          ))
        
        time.sleep(1)
    return

t = threading.Thread(target=worker,args=(fd,))
t.start()
    

for i in  range(0,size):
    ssize = 0
    ss=0
    while ssize < size:
        ss = udt_send(fd,data[ssize:size],size - ssize)
        if ss < 0:
            print("socket_send error")
            break; 
        ssize += ss
        
    if (ssize < size):
        break;
    
    
    
    

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