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cfeeb57166
In order to modify libalias for performance, the existing functionality must not change. Enforce this. Testing LibAliasOut functionality. This concentrates the typical use case of initiating data transfers from the inside. Provide a exhaustive test for the data structure in order to check for performance improvements. In order to compare upcoming changes for their effectivness, measure performance by counting opertions and the runtime of each operation over the time. Accumulate all tests in a single instance, so make it complicated over the time. If you wait long enough, you will notice the expiry of old flows. Reviewed by: kp Differential Revision: https://reviews.freebsd.org/D30307 Differential Revision: https://reviews.freebsd.org/D30335 Differential Revision: https://reviews.freebsd.org/D30379 (cherry picked from commit7fd8baee75) (cherry picked from commitc1fbb54f4b) (cherry picked from commit33c1bdfc3e)
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright 2021 Lutz Donnerhacke
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <arpa/inet.h>
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#include <netinet/ip.h>
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#include <netinet/udp.h>
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#ifndef _UTIL_H
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#define _UTIL_H
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int randcmp(const void *a, const void *b);
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void hexdump(void *p, size_t len);
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struct ip * ip_packet(struct in_addr src, struct in_addr dst, u_char protocol, size_t len);
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struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport);
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inline int
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addr_eq(struct in_addr a, struct in_addr b)
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{
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return a.s_addr == b.s_addr;
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}
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#define a2h(a) ntohl(a.s_addr)
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inline int
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rand_range(int min, int max)
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{
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return min + rand()%(max - min);
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}
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#endif /* _UTIL_H */
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