2 files changed, 0 insertions, 107 deletions
diff --git a/external/unbound b/external/unbound
new file mode 160000
+Subproject 193bdc4ee3fe2b0d17e547e86512528c2614483
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 */