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# uWSGI options suggested for this example tryout:
# --master --enable-threads --spooler /tmp/uwsgispool --spooler-ordered
import uwsgi
from uwsgidecorators import *
from uwsgicc import app as application
import time
# register rpc function helloworld
@rpc("helloworld")
def hello2():
return "[RPC] Hello World"
# register signal 1
@signal(1)
def what_time_is_it(num):
print(time.asctime())
# register signal 100
@signal(100, target='workers')
def what_time_is_it(num):
print("*** I AM THE WORKER %d AT %s ***" % (uwsgi.worker_id(), time.asctime()))
# a 3 seconds timer
@timer(3)
def salut(num):
print("Salut !!! 3 seconds elapsed and signal %d raised" % num)
# a 10 seconds red black timer (executed by the spooler)
@rbtimer(10, target='spooler')
def tenseconds(num):
print("red black timer !!! 10 seconds elapsed and signal %d raised" % num)
# monitor /tmp directory
@filemon("/tmp")
def tmpmodified(num):
print("/tmp has been modified")
# spool a long running task
@spool
def a_long_task(args):
for i in xrange(1,10):
print("%s = %d" % ( str(args), i))
print(uwsgi.call('helloworld'))
time.sleep(1)
# continuosly spool a long running task
@spoolforever
def an_infinite_task(args):
for i in xrange(1,4):
print("infinite: %d %s" % (i, str(args)))
print(uwsgi.call('helloworld'))
uwsgi.signal(100)
time.sleep(1)
# spool a task after 5 seconds
@spool
def delayed_task(args):
print("*** I am a delayed spool job. It is %s [%s]***" % (time.asctime(), str(args)))
# send a signal to all workers
uwsgi.signal(100)
@spool
def big_body_task(args):
print("*** managing a task with a body of %d bytes ***" % len(args['body']))
print(args['body'].swapcase())
# run a task every hour
@cron(59, -1, -1, -1, -1)
def one_hour_passed(num):
print("received signal %d after 1 hour" % num)
@thread
def a_running_thread():
while True:
time.sleep(2)
print("i am a no-args thread")
@thread
def a_running_thread_with_args(who):
while True:
time.sleep(2)
print("Hello %s (from arged-thread)" % who)
@postfork
@thread
def a_post_fork_thread():
while True:
time.sleep(3)
if uwsgi.i_am_the_spooler():
print("Hello from a thread in the spooler")
else:
print("Hello from a thread in worker %d" % uwsgi.worker_id())
@postfork
def fork_happened():
print("fork() has been called [1]")
@postfork
def fork_happened2():
if uwsgi.i_am_the_spooler():
return
print("worker %d is waiting for signal 100..." % uwsgi.worker_id())
uwsgi.signal_wait(100)
print("worker %d received signal %d" % (uwsgi.worker_id(), uwsgi.signal_received()))
print("fork() has been called [2] wid: %d" % uwsgi.worker_id())
@postfork
@lock
def locked_func():
print("starting locked function on worker %d" % uwsgi.worker_id())
for i in xrange(1, 5):
time.sleep(1)
print("[locked %d] waiting..." % uwsgi.worker_id())
print("done with locked function on worker %d" % uwsgi.worker_id())
print(uwsgi.call('helloworld'))
spool_filename = a_long_task.spool({'foo':'bar'}, hello='world')
print("spool filename = %s" % spool_filename)
an_infinite_task.spool(foo='bar', priority=3)
when = int(time.time())+5
print("scheduling a delayed task at %d" % when)
delayed_task.spool(foo2='bar2', at=when)
a_running_thread()
a_running_thread_with_args("uWSGI")
uwsgi_source_file = open('uwsgi.c','r')
print(big_body_task.spool(priority=9,filename='uwsgi.c',body=uwsgi_source_file.read()))
uwsgi_source_file.close()
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