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1# This is used directly by server/tests/barriertest/control.srv
2
3import logging, time
4from autotest_lib.client.bin import test
5from autotest_lib.client.common_lib import barrier, error
6
7
8class barriertest(test.test):
9    version = 2
10
11
12    def run_once(self, our_addr, hostnames, main, timeout=120):
13        # A reusable local server as we're using multiple barriers in one test.
14        server = barrier.listen_server()
15
16        # Basic barrier rendezvous test.
17        self.job.barrier(our_addr, 'First', timeout=timeout,
18                         listen_server=server).rendezvous(*hostnames)
19        logging.info('1. rendezvous "First" complete.')
20        time.sleep(2)
21
22        # A rendezvous_servers using a different main than the default.
23        self.job.barrier(our_addr, 'Second', timeout=timeout,
24                         listen_server=server
25                         ).rendezvous_servers(hostnames[-1], *hostnames[:-1])
26        logging.info('2. rendezvous_servers "Second" complete.')
27        time.sleep(2)
28
29        # A regular rendezvous, this time testing the abort functionality.
30        try:
31            self.job.barrier(our_addr, 'WillAbort', timeout=timeout,
32                             listen_server=server
33                             ).rendezvous(abort=True, *hostnames)
34        except error.BarrierAbortError:
35            pass
36        except error.BarrierError, e:
37            # We did get an error from the barrier, but was is acceptable or
38            # not?  Site code may not be able to indicate an explicit abort.
39            self.job.record('WARN', None, 'barriertest',
40                            'BarrierError %s instead of BarrierAbortError.' % e)
41        else:
42            raise error.TestFail('Explicit barrier rendezvous abort failed.')
43        logging.info('3. rendezvous(abort=True) complete.')
44        time.sleep(2)
45
46        # Now attempt a rendezvous_servers that also includes the server.
47        self.job.barrier(our_addr, 'FinalSync', timeout=timeout,
48                         listen_server=server
49                         ).rendezvous_servers(main, *hostnames)
50        logging.info('4. rendezvous_servers "FinalSync" complete.')
51        time.sleep(2)
52
53        # rendezvous_servers, aborted from the main.
54        try:
55            self.job.barrier(our_addr, 'WillAbortServers', timeout=timeout,
56                             listen_server=server
57                             ).rendezvous_servers(main, *hostnames)
58        except error.BarrierAbortError:
59            pass
60        except error.BarrierError, e:
61            # We did get an error from the barrier, but was is acceptable or
62            # not?  Site code may not be able to indicate an explicit abort.
63            self.job.record('WARN', None, 'barriertest',
64                            'BarrierError %s instead of BarrierAbortError.' % e)
65        else:
66            raise error.TestFail('Explicit barrier rendezvous abort failed.')
67        logging.info('5. rendezvous_servers(abort=True) complete.')
68        time.sleep(2)
69
70        server.close()
71