1from autotest_lib.server import autotest, hosts, subcommand, test
2from autotest_lib.server import utils
3
4class netpipe(test.test):
5    version = 2
6
7    def run_once(self, pair, buffer, upper_bound, variance):
8        print("running on %s and %s\n" % (pair[0], pair[1]))
9
10        # Designate a platform label for the server side of tests.
11        server_label = 'net_server'
12
13        server = hosts.create_host(pair[0])
14        client = hosts.create_host(pair[1])
15
16        # If client has the server_label, then swap server and client.
17        platform_label = client.get_platform_label()
18        if platform_label == server_label:
19            (server, client) = (client, server)
20
21        # Disable IP Filters if they are enabled.
22        for m in [client, server]:
23            status = m.run('iptables -L')
24            if not status.exit_status:
25                m.disable_ipfilters()
26
27        # Starting a test indents the status.log entries. This test starts 2
28        # additional tests causing their log entries to be indented twice. This
29        # double indent confuses the parser, so reset the indent level on the
30        # job, let the forked tests record their entries, then restore the
31        # previous indent level.
32        self.job._indenter.decrement()
33
34        server_at = autotest.Autotest(server)
35        client_at = autotest.Autotest(client)
36
37        template = ''.join(["job.run_test('netpipe', server_ip='%s', ",
38                            "client_ip='%s', role='%s', bidirectional=True, ",
39                            "buffer_size=%d, upper_bound=%d,"
40                            "perturbation_size=%d, tag='%s')"])
41
42        server_control_file = template % (server.ip, client.ip, 'server',
43                                          buffer, upper_bound, variance,
44                                          'server')
45        client_control_file = template % (server.ip, client.ip, 'client',
46                                          buffer, upper_bound, variance,
47                                          'client')
48
49        server_command = subcommand.subcommand(server_at.run,
50                                    [server_control_file, server.hostname],
51                                    subdir='../')
52        client_command = subcommand.subcommand(client_at.run,
53                                    [client_control_file, client.hostname],
54                                    subdir='../')
55
56        subcommand.parallel([server_command, client_command])
57
58        # The parser needs a keyval file to know what host ran the test.
59        utils.write_keyval('../' + server.hostname,
60                           {"hostname": server.hostname})
61        utils.write_keyval('../' + client.hostname,
62                           {"hostname": client.hostname})
63
64        # Restore indent level of main job.
65        self.job._indenter.increment()
66
67        for m in [client, server]:
68            status = m.run('iptables -L')
69            if not status.exit_status:
70                m.enable_ipfilters()
71