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author | anonimal <anonimal@i2pmail.org> | 2017-06-28 21:07:24 +0000 |
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committer | anonimal <anonimal@i2pmail.org> | 2018-03-18 15:52:19 +0000 |
commit | 84c5a9ba481d7a33cc0fd0ca43867b61d127d907 (patch) | |
tree | f05d3d3f107da02005b4a61f0e5074c113a7165c /external/unbound/util/rtt.h | |
parent | Merge pull request #3416 (diff) | |
download | monero-84c5a9ba481d7a33cc0fd0ca43867b61d127d907.tar.xz |
Unbound: remove unbound from in-tree source
We'll instead use a git submodule to pull from our unbound repo.
Diffstat (limited to 'external/unbound/util/rtt.h')
-rw-r--r-- | external/unbound/util/rtt.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/external/unbound/util/rtt.h b/external/unbound/util/rtt.h deleted file mode 100644 index 07e65ee1d..000000000 --- a/external/unbound/util/rtt.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * util/rtt.h - UDP round trip time estimator for resend timeouts. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * This file contains a data type and functions to help estimate good - * round trip times for UDP resend timeout values. - */ - -#ifndef UTIL_RTT_H -#define UTIL_RTT_H - -/** - * RTT information. Keeps packet Round Trip Time. - */ -struct rtt_info { - /** smoothed rtt estimator, in milliseconds */ - int srtt; - /** smoothed mean deviation, in milliseconds */ - int rttvar; - /** current RTO in use, in milliseconds */ - int rto; -}; - -/** min retransmit timeout value, in milliseconds */ -extern int RTT_MIN_TIMEOUT; -/** max retransmit timeout value, in milliseconds */ -#define RTT_MAX_TIMEOUT 120000 - -/** - * Initialize RTT estimators. - * @param rtt: The structure. Caller is responsible for allocation of it. - */ -void rtt_init(struct rtt_info* rtt); - -/** - * Get timeout to use for sending a UDP packet. - * @param rtt: round trip statistics structure. - * @return: timeout to use in milliseconds. Relative time value. - */ -int rtt_timeout(const struct rtt_info* rtt); - -/** - * Get unclamped timeout to use for server selection. - * Recent timeouts are reflected in the returned value. - * @param rtt: round trip statistics structure. - * @return: value to use in milliseconds. - */ -int rtt_unclamped(const struct rtt_info* rtt); - -/** - * RTT for valid responses. Without timeouts. - * @param rtt: round trip statistics structure. - * @return: value in msec. - */ -int rtt_notimeout(const struct rtt_info* rtt); - -/** - * Update the statistics with a new roundtrip estimate observation. - * @param rtt: round trip statistics structure. - * @param ms: estimate of roundtrip time in milliseconds. - */ -void rtt_update(struct rtt_info* rtt, int ms); - -/** - * Update the statistics with a new timeout expired observation. - * @param rtt: round trip statistics structure. - * @param orig: original rtt time given for the query that timed out. - * Used to calculate the maximum responsible backed off time that - * can reasonably be applied. - */ -void rtt_lost(struct rtt_info* rtt, int orig); - -#endif /* UTIL_RTT_H */ |