def get_default_hub(*a, **kw):
warnings.warn(
"eventlet.api.get_default_hub has moved to"
" eventlet.hubs.get_default_hub",
DeprecationWarning,
stacklevel=2)
return hubs.get_default_hub(*a, **kw)
def start(config, options):
server_config = get_config_section_for_name(config, "server", options.name)
if "hub_module" in server_config:
hubs.use_hub(server_config.import_("hub_module"))
if "fork_children" in server_config:
if "prefork_listen" in server_config:
_toaddr = lambda (host, port): (host, int(port))
toaddr = lambda addrstr: _toaddr(addrstr.split(":", 1))
addrs = map(toaddr, server_config["prefork_listen"].split(","))
for addr in addrs:
PREFORK_SOCKETS[addr] = eventlet.listen(addr)
children = server_config["fork_children"].split(",")
connections = {}
for i, j in enumerate(children):
for k, l in enumerate(children):
if i != k and (i, k) not in connections:
a, b = socket.socketpair()
connections[(i, k)] = (l, a)
connections[(k, i)] = (j, b)
for i, child in enumerate(children):
print "forking", child
pid = os.fork()
if pid == 0:
# child
hub = hubs.get_hub()
if hasattr(hub, "poll") and hasattr(hub.poll, "fileno"):
# probably epoll which uses a filedescriptor
# and thus forking without exec is bad using that
# poll instance.
hubs.use_hub(hubs.get_default_hub())
myconns = []
for (l, r), s in connections.items():
if l == i:
myconns.append(s)
else:
s[1].close()
options.name = child
start_single(config, options, myconns)
sys.exit(1)
while True:
try:
pid, exitstatus = os.wait()
print "childprocess %d died" % pid
except OSError, e:
if e.errno == errno.ECHILD:
sys.exit(0)
else:
raise
except KeyboardInterrupt, e:
print "quitting..."
def get_default_hub(*a, **kw):
warnings.warn("eventlet.api.get_default_hub has moved to"
" eventlet.hubs.get_default_hub",
DeprecationWarning, stacklevel=2)
return hubs.get_default_hub(*a, **kw)
