uvloop/examples/bench/echoserver.py

160 lines
4.2 KiB
Python

import argparse
import asyncio
import gc
import uvloop
import os.path
import socket as socket_module
from socket import *
PRINT = 0
async def echo_server(loop, address, unix):
if unix:
sock = socket(AF_UNIX, SOCK_STREAM)
else:
sock = socket(AF_INET, SOCK_STREAM)
sock.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
sock.bind(address)
sock.listen(5)
sock.setblocking(False)
if PRINT:
print('Server listening at', address)
with sock:
while True:
client, addr = await loop.sock_accept(sock)
if PRINT:
print('Connection from', addr)
loop.create_task(echo_client(loop, client))
async def echo_client(loop, client):
try:
client.setsockopt(IPPROTO_TCP, TCP_NODELAY, 1)
except (OSError, NameError):
pass
with client:
while True:
data = await loop.sock_recv(client, 1000000)
if not data:
break
await loop.sock_sendall(client, data)
if PRINT:
print('Connection closed')
async def echo_client_streams(reader, writer):
sock = writer.get_extra_info('socket')
try:
sock.setsockopt(IPPROTO_TCP, TCP_NODELAY, 1)
except (OSError, NameError):
pass
if PRINT:
print('Connection from', sock.getpeername())
while True:
data = await reader.read(1000000)
if not data:
break
writer.write(data)
if PRINT:
print('Connection closed')
writer.close()
class EchoProtocol(asyncio.Protocol):
def connection_made(self, transport):
self.transport = transport
def connection_lost(self, exc):
self.transport = None
def data_received(self, data):
self.transport.write(data)
async def print_debug(loop):
while True:
print(chr(27) + "[2J") # clear screen
loop.print_debug_info()
await asyncio.sleep(0.5, loop=loop)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--uvloop', default=False, action='store_true')
parser.add_argument('--streams', default=False, action='store_true')
parser.add_argument('--proto', default=False, action='store_true')
parser.add_argument('--addr', default='127.0.0.1:25000', type=str)
parser.add_argument('--print', default=False, action='store_true')
args = parser.parse_args()
if args.uvloop:
loop = uvloop.new_event_loop()
print('using UVLoop')
else:
loop = asyncio.new_event_loop()
print('using asyncio loop')
asyncio.set_event_loop(loop)
loop.set_debug(False)
if args.print:
PRINT = 1
if hasattr(loop, 'print_debug_info'):
loop.create_task(print_debug(loop))
PRINT = 0
unix = False
if args.addr.startswith('file:'):
unix = True
addr = args.addr[5:]
if os.path.exists(addr):
os.remove(addr)
else:
addr = args.addr.split(':')
addr[1] = int(addr[1])
addr = tuple(addr)
print('serving on: {}'.format(addr))
if args.streams:
if args.proto:
print('cannot use --stream and --proto simultaneously')
exit(1)
print('using asyncio/streams')
if unix:
coro = asyncio.start_unix_server(echo_client_streams,
addr, loop=loop)
else:
coro = asyncio.start_server(echo_client_streams,
*addr, loop=loop)
srv = loop.run_until_complete(coro)
elif args.proto:
if args.streams:
print('cannot use --stream and --proto simultaneously')
exit(1)
print('using simple protocol')
if unix:
coro = loop.create_unix_server(EchoProtocol, addr)
else:
coro = loop.create_server(EchoProtocol, *addr)
srv = loop.run_until_complete(coro)
else:
print('using sock_recv/sock_sendall')
loop.create_task(echo_server(loop, addr, unix))
try:
loop.run_forever()
finally:
if hasattr(loop, 'print_debug_info'):
gc.collect()
print(chr(27) + "[2J")
loop.print_debug_info()
loop.close()