我在Asyncio:TCP服务器示例上使用TCP客户端和服务器找到了这些示例。但是如何连接它们以获取将接收数据并将其发送到其他adress的TCP代理服务器?
您可以从用户文档中的TCP客户端和服务器示例组合。
然后,您需要使用这种辅助器将流将流连接在一起:
async def pipe(reader, writer):
try:
while not reader.at_eof():
writer.write(await reader.read(2048))
finally:
writer.close()
这是一个可能的客户处理程序:
async def handle_client(local_reader, local_writer):
try:
remote_reader, remote_writer = await asyncio.open_connection(
'127.0.0.1', 8889)
pipe1 = pipe(local_reader, remote_writer)
pipe2 = pipe(remote_reader, local_writer)
await asyncio.gather(pipe1, pipe2)
finally:
local_writer.close()
和服务器代码:
# Create the server
loop = asyncio.get_event_loop()
coro = asyncio.start_server(handle_client, '127.0.0.1', 8888)
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()