def proxy(conn, host, portout):
conn2 = jsockets.socket_tcp_connect(host, portout)
if conn2 is None:
print('conexión rechazada por ' + host + ', ' + portout)
sys.exit(1)
print('Cliente conectado')
newthread1 = threading.Thread(target=Rdr, daemon=True, args=(conn, conn2))
newthread1.start()
Rdr(conn2, conn)
print('Cliente desconectado')
def proxy(conn, addr, data, host, portout):
conn2 = jsockets.socket_tcp_connect(host, portout)
if conn2 is None:
print('conexión rechazada por ' + host + ', ' + portout)
sys.exit(1)
conn.connect(addr)
# timeout de 100s, para que muera sin tráfico
conn.setsockopt(socket.SOL_SOCKET, socket.SO_RCVTIMEO,
struct.pack("LL", 100, 0))
print('Nueva conexión UDP')
# inicializar el mundo
newthread1 = threading.Thread(target=UDP_rdr,
daemon=True,
args=(conn, conn2, data))
newthread1.start()
TCP_rdr(conn2, conn)
print('TCP rdr retorna, esperando UDP_rdr...')
newthread1.join()
conn2.close()
print('Cliente desconectado')
# Echo client program
import jsockets
import sys
s = jsockets.socket_tcp_connect('localhost', 1818)
if s is None:
print('could not open socket')
sys.exit(1)
s.send(b'hola')
data = s.recv(1024)
s.close()
print('Received', repr(data))
#!/usr/bin/python3
# Echo client program
import jsockets
import sys
if len(sys.argv) != 3:
print('Use: '+sys.argv[0]+' host port')
sys.exit(1)
s = jsockets.socket_tcp_connect(sys.argv[1], sys.argv[2])
if s is None:
print('could not open socket')
sys.exit(1)
for line in sys.stdin:
s.send(line.encode())
data=s.recv(1500).decode()
print(data, end = '')
s.close()
# echo proxy 2
# TCP Client
# UDP Server
import os
import signal
import sys
import jsockets
sServer = jsockets.socket_tcp_connect(sys.argv[2], sys.argv[3])
if sServer is None:
print('could not open socket for Server')
sys.exit(1)
sProxy = jsockets.socket_udp_bind(sys.argv[1])
if sProxy is None:
print('could not open socket for proxy1')
sys.exit(1)
print('Cliente Conectado')
while True:
data, addr = sProxy.recvfrom(1024)
if not data:
break
sServer.send(data)
data2 = sServer.recv(4096)
sProxy.sendto(data2, addr)
sProxy.close()