async def tick(request):
if 'text/event-stream' not in request.headers.getall('ACCEPT', []):
raise HTTPNotAcceptable(
reason="'text/event-stream' not found in Accept headers.")
resp = StreamResponse(status=200,
reason='OK',
headers={
'Content-Type': 'text/event-stream',
'Cache-Control': 'no-cache',
'Connection': 'keep-alive'
})
log.debug('Opening new event stream on request: %s', request)
await resp.prepare(request)
request.app.connections.add(resp)
resp.should_stop = False
try:
while not resp.should_stop:
ts = time.monotonic()
payload = json.dumps({'data': ts})
resp.write(build_message(payload, id=ts, event='tick'))
await resp.drain()
await asyncio.sleep(1)
finally:
request.app.connections.remove(resp)
return resp
async def tick(request):
#print('what??')
if 'text/event-stream' not in request.headers.getall('ACCEPT', []):
raise HTTPNotAcceptable(
reason="'text/event-stream' not found in Accept headers.")
resp = StreamResponse(status=200,
reason='OK',
headers={
'Content-Type': 'text/event-stream',
'Cache-Control': 'no-cache',
'Connection': 'keep-alive'
})
log.debug('Opening new event stream on request: %s', request)
await resp.prepare(request)
request.app.connections.add(resp)
resp.should_stop = False
try:
while not resp.should_stop:
ts = time.monotonic()
print('ㅎㅎㅎ')
#fut = asyncio.open_connection('utylee.dlinkddns.com', 1117, loop=loop)
'''
try:
reader, writer = await asyncio.wait_for(fut, timeout=3)
except:
ts = 'exception, maybe Timeout...'
print(ts)
return
'''
'''
writer.write('utyleeping'.encode())
rbuf = await reader.read(100)
print(f'rbuf:{rbuf}')
ts = rbuf.decode()
'''
payload = json.dumps({'data': ts})
resp.write(build_message(payload, id=ts, event='tick'))
await resp.drain()
await asyncio.sleep(5)
finally:
request.app.connections.remove(resp)
return resp
