def main():
try:
klogger.logger = klogger.get_logger("ketchlip", "webserver.log")
klogger.info("Starting webserver on port " + str(PORT))
MyHandler.set_www_root(config.config.www_root)
index_file, url_lookup_file = config.config.base_dir + "index", config.config.base_dir + "url_lookup"
SearchSingleton().load(index_file, url_lookup_file)
file_observer = FileObserver(index_file)
file_observer.register_listener(SearchSingleton())
file_observer.start_observe()
server = HTTPServer(('', PORT), MyHandler)
klogger.info("HTTP server ready to serve on port " + str(PORT))
server.serve_forever()
except KeyboardInterrupt:
klogger.info('^C received, shutting down server')
if file_observer:
file_observer.unregister_listener(SearchSingleton())
file_observer.stop_observe()
if server:
server.socket.close()
except Exception, e:
klogger.exception(e)
def test_should_wait_to_notify_until_file_is_closed():
try:
# Given a file
file_path = "/tmp/file_path"
FILE = open(file_path,"w")
FILE.write("foo")
FILE.close()
# FileObserver will observe file for changes
file_observer = FileObserver(file_path)
# For speediness we want to keep the timeouts as short as possible
file_observer.POLLING_FREQUENCY_IN_SECONDS = 0
file_observer.GRACE_TIME_IN_SECONDS = 1
# Listener will get noticed by FileObserver when file is updated
listener = Listener()
file_observer.register_listener(listener)
file_observer.start_observe()
time.sleep(1)
# Here we're simulating someone writing to the file
FILE = open(file_path,"w")
FILE.write("bar")
# Assert that the file is still open
eq_(False, FILE.closed)
# Sleep and check Listener for messages (should be nothing)
time.sleep(1)
eq_(0, len(listener.messages))
# Close the file and wait till grace time has passed
FILE.close()
time.sleep(1)
# Now the listener should have received an update
eq_("file changed", listener.message)
eq_(1, len(listener.messages))
finally:
if FILE and not FILE.closed:
FILE.close()
if file_observer:
file_observer.stop_observe()
def test_notify():
file_path = "/tmp/file_path"
FILE = open(file_path,"w")
FILE.write("foo")
FILE.close()
file_observer = FileObserver(file_path)
file_observer.POLLING_FREQUENCY_IN_SECONDS = 0
file_observer.GRACE_TIME_IN_SECONDS = 0
listener = Listener()
file_observer.register_listener(listener)
file_observer.start_observe()
time.sleep(1)
FILE = open(file_path,"w")
FILE.write("bar")
FILE.close()
time.sleep(1)
file_observer.stop_observe()
eq_("file changed", listener.message)
