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b735182ae0
Extend the timeouts system test that bursts the queries for large TXT record and never read any responses back filling up the server TCP write buffer. The test should work with the default wmem_max value on Linux (208k).
30 lines
806 B
Bash
30 lines
806 B
Bash
#!/bin/sh
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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. ../conf.sh
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copy_setports ns1/named.conf.in ns1/named.conf
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#
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# Generate a large enough zone, so the transfer takes longer than
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# tcp-initial-timeout interval
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#
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$PYTHON -c "
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print('large IN TXT', end=' ')
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for a in range(128):
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print('\"%s\"' % ('A' * 240), end=' ')
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print('')
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for a in range(150000):
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print('%s IN NS a' % (a))
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print('%s IN NS b' % (a))" > ns1/large.db
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