def testSignalHandler(self):
signalHandlerCallback = lambda signum, events, obj: obj.removeFromLoop()
signalHandler = libevent.createSignalHandler(signal.SIGUSR1, signalHandlerCallback)
signalHandler.addToLoop()
signalSenderCallback = lambda fd, events, obj: os.kill(os.getpid(), signal.SIGUSR1)
timer = libevent.createTimer(signalSenderCallback)
timer.addToLoop(1)
libevent.dispatch()
def testSignalHandler(self):
signalHandlerCallback = lambda signum, events, obj: obj.removeFromLoop()
signalHandler = libevent.createSignalHandler(signal.SIGUSR1, signalHandlerCallback)
signalHandler.addToLoop()
signalSenderCallback = lambda fd, events, obj: os.kill(os.getpid(), signal.SIGUSR1)
timer = libevent.createTimer(signalSenderCallback)
timer.addToLoop(1)
libevent.dispatch()
def testSimpleSocketCallback(self):
def serverCallback(fd, events, eventObj):
s = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM)
client, addr = s.accept()
client.send("foo")
eventObj.removeFromLoop()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setblocking(False)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(("127.0.0.1", 50505))
s.listen(5)
serverEvent = libevent.createEvent(fd=s, events=libevent.EV_READ, callback=serverCallback)
serverEvent.addToLoop()
c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
c.setblocking(False)
c.connect_ex(("127.0.0.1", 50505))
libevent.dispatch()
c.setblocking(True)
self.assertEqual(c.recv(3), "foo")
c.close()
s.close()
def testSimpleSocketCallback(self):
def serverCallback(fd, events, eventObj):
s = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM)
client, addr = s.accept()
client.send("foo")
eventObj.removeFromLoop()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setblocking(False)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(("127.0.0.1", 50505))
s.listen(5)
serverEvent = libevent.createEvent(fd=s, events=libevent.EV_READ, callback=serverCallback)
serverEvent.addToLoop()
c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
c.setblocking(False)
c.connect_ex(("127.0.0.1", 50505))
libevent.dispatch()
c.setblocking(True)
self.assertEqual(c.recv(3), "foo")
c.close()
s.close()
def main():
libevent.createSignalHandler(signal.SIGINT, handleSigInt).addToLoop()
echosrv = EchoServer()
libevent.dispatch()
def testLoopExit(self):
cb = lambda fd, events, obj: libevent.loopExit(0)
timer = libevent.createTimer(cb)
timer.addToLoop(timeout=2)
libevent.dispatch()
def testLoopExit(self):
cb = lambda fd, events, obj: libevent.loopExit(0)
timer = libevent.createTimer(cb)
timer.addToLoop(timeout=2)
libevent.dispatch()
self.sock = sock
self.addr = addr
self.sock.setblocking(False)
libevent.createEvent(sock, libevent.EV_READ,
self.callback_onread).addToLoop()
def callback_onread(self, fd, events, event_obj):
buf = self.sock.recv(4096)
if not buf: # just disconnect
self.sock.close()
return
# Yeah, print!
print "%r %r" % (self.addr, buf)
self.sock.send("finished")
# reuse current event
event_obj.addToLoop()
if __name__ == '__main__':
# bind.
sock_srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock_srv.setblocking(False)
sock_srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock_srv.bind(('localhost', 50000))
sock_srv.listen(5)
libevent.createSignalHandler(signal.SIGINT, callback_interrupt).addToLoop()
libevent.createEvent(sock_srv, libevent.EV_READ | libevent.EV_PERSIST,
callback_onconnect).addToLoop()
libevent.dispatch()
class Connection:
def __init__(self, sock, addr):
self.sock = sock
self.addr = addr
self.sock.setblocking(False)
libevent.createEvent(sock, libevent.EV_READ, self.callback_onread).addToLoop()
def callback_onread(self, fd, events, event_obj):
buf = self.sock.recv(4096)
if not buf: # just disconnect
self.sock.close()
return
# Yeah, print!
print "%r %r" % (self.addr, buf)
self.sock.send("finished")
# reuse current event
event_obj.addToLoop()
if __name__ == '__main__':
# bind.
sock_srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock_srv.setblocking(False)
sock_srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock_srv.bind(('localhost', 50000))
sock_srv.listen(5)
libevent.createSignalHandler(signal.SIGINT, callback_interrupt).addToLoop()
libevent.createEvent(sock_srv, libevent.EV_READ|libevent.EV_PERSIST, callback_onconnect).addToLoop()
libevent.dispatch()
def main():
libevent.createSignalHandler(signal.SIGINT, handleSigInt).addToLoop()
echosrv = EchoServer()
libevent.dispatch()