server/crypto.c: Improve error messages in crypto_send
[nbdkit.git] / tests / test-python-thread-model.sh
blob69b3d5c76419f5c7341b99fffd3439aa34766935
1 #!/usr/bin/env bash
2 # nbdkit
3 # Copyright Red Hat
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are
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9 # * Redistributions of source code must retain the above copyright
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13 # notice, this list of conditions and the following disclaimer in the
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16 # * Neither the name of Red Hat nor the names of its contributors may be
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20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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33 source ./functions.sh
34 set -e
35 set -x
37 SCRIPT="$SRCDIR/python-thread-model.py"
38 if ! test -d "$SRCDIR" || ! test -f "$SCRIPT"; then
39 echo "$0: could not locate python-thread-model.py"
40 exit 1
43 skip_if_valgrind "because Python code leaks memory"
44 requires nbdsh --version
46 # Check the plugin is loadable.
47 nbdkit python $SCRIPT --dump-plugin
49 # This test only works on modern Linux (with pipe2, accept4 etc) where
50 # we are able to issue parallel requests. Other platforms have more
51 # restrictive thread models.
52 requires sh -c "nbdkit python $SCRIPT --dump-plugin |
53 grep '^thread_model=parallel'"
55 pid=test-python-thread-model.pid
56 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
57 files="$out $pid $sock"
58 rm -f $files
59 cleanup_fn rm -f $files
61 start_nbdkit -P $pid -U $sock python $SCRIPT
63 export sock
64 nbdsh -c '
65 import os
66 import time
68 h.connect_unix(os.environ["sock"])
70 # We should be able to issue multiple requests in parallel,
71 # and the total time taken should not be much more than 10 seconds
72 # because all sleeps in the plugin should happen in parallel.
73 start_t = time.time()
74 for i in range(10):
75 buf = nbd.Buffer(512)
76 h.aio_pread(buf, 0)
78 while h.aio_in_flight() > 0:
79 h.poll(-1)
80 end_t = time.time()
82 t = end_t - start_t
83 print(t)
85 # Since we launched 10 requests, if we serialized on them we
86 # would have waited at least 100 seconds. We would expect to
87 # wait around 10 seconds, but for flexibility on slow servers
88 # any test < 100 should be fine.
89 assert t <= 50