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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vi:ts=4:et
from . import localhost
import pycurl
import unittest
from . import appmanager
from . import util
setup_module_1, teardown_module_1 = appmanager.setup(('app', 8380))
setup_module_2, teardown_module_2 = appmanager.setup(('app', 8381))
setup_module_3, teardown_module_3 = appmanager.setup(('app', 8382))
def setup_module(mod):
setup_module_1(mod)
setup_module_2(mod)
setup_module_3(mod)
def teardown_module(mod):
teardown_module_3(mod)
teardown_module_2(mod)
teardown_module_1(mod)
class MultiSocketTest(unittest.TestCase):
def test_multi_socket(self):
urls = [
# not sure why requesting /success produces no events.
# see multi_socket_select_test.py for a longer explanation
# why short wait is used there.
'http://%s:8380/short_wait' % localhost,
'http://%s:8381/short_wait' % localhost,
'http://%s:8382/short_wait' % localhost,
]
socket_events = []
# socket callback
def socket(event, socket, multi, data):
#print(event, socket, multi, data)
socket_events.append((event, multi))
# init
m = pycurl.CurlMulti()
m.setopt(pycurl.M_SOCKETFUNCTION, socket)
m.handles = []
for url in urls:
c = util.DefaultCurl()
# save info in standard Python attributes
c.url = url
c.body = util.BytesIO()
c.http_code = -1
m.handles.append(c)
# pycurl API calls
c.setopt(c.URL, c.url)
c.setopt(c.WRITEFUNCTION, c.body.write)
m.add_handle(c)
# get data
num_handles = len(m.handles)
while num_handles:
while 1:
ret, num_handles = m.socket_all()
if ret != pycurl.E_CALL_MULTI_PERFORM:
break
# currently no more I/O is pending, could do something in the meantime
# (display a progress bar, etc.)
m.select(0.1)
for c in m.handles:
# save info in standard Python attributes
c.http_code = c.getinfo(c.HTTP_CODE)
# at least in and remove events per socket
assert len(socket_events) >= 6
# print result
for c in m.handles:
self.assertEqual('success', c.body.getvalue().decode())
self.assertEqual(200, c.http_code)
# multi, not curl handle
self.check(pycurl.POLL_IN, m, socket_events)
self.check(pycurl.POLL_REMOVE, m, socket_events)
# close handles
for c in m.handles:
# pycurl API calls
m.remove_handle(c)
c.close()
m.close()
def check(self, event, multi, socket_events):
for event_, multi_ in socket_events:
if event == event_ and multi == multi_:
return
assert False, '%d %s not found in socket events' % (event, multi)
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