def testFactory(factory, data, clients=100):
'''Tests the given factory with the given data packets.'''
from base import Server
port = process.randomPort()
print 'Starting', factory, 'with', factory.protocol, 'on port', port
server = Server(('', port), factory)
server.serve()
jobs = []
for c in range(0, clients):
jobs.append(gevent.spawn(testSendData, data, port))
gevent.joinall(jobs, timeout=15)
vals = [(1 if job.value else 0) for job in jobs]
print sum(vals), '/', len(vals), 'succeeded'
return sum(vals) * 1.0 / len(vals)
