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tcp_echo_sleep_server.py
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tcp_echo_sleep_server.py
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"""
$ python tcp_echo_sleep_server.py {port_number}
Ex:
$ python tcp_echo_sleep_server.py 8888
So, start server on port 8888.
And reply tcp echo message after 1s.
"""
import asyncio
import time
import sys
@asyncio.coroutine
def handle_echo(reader, writer):
data = yield from reader.read(3072)
message = data.decode()
addr = writer.get_extra_info('peername')
print("Received %r from %r" % (message, addr))
time.sleep(1)
print("Send: %r" % message)
writer.write(data)
yield from writer.drain()
print("Close the client socket")
writer.close()
loop = asyncio.get_event_loop()
coro = asyncio.start_server(handle_echo, '127.0.0.1', sys.argv[1], loop=loop)
server = loop.run_until_complete(coro)
# Serve requests until Ctrl+C is pressed
print('Serving on {}'.format(server.sockets[0].getsockname()))
try:
loop.run_forever()
except KeyboardInterrupt:
pass
# Close the server
server.close()
loop.run_until_complete(server.wait_closed())
loop.close()