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- //
- // Copyright (c) 2016 Jens Hoelscher, Michael Tuexen
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions
- // are met:
- // 1. Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // 2. 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.
- //
- // THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- //
- --tolerance_usecs=75000
- // Enable SCTP Extensions
- 0.0 `sysctl -w net.inet.sctp.ecn_enable=0`
- +0.0 `sysctl -w net.inet.sctp.pr_enable=0`
- +0.0 `sysctl -w net.inet.sctp.asconf_enable=0`
- #ifdef FreeBSD
- +0.0 `sysctl -iw net.inet.sctp.auth_disable=1`
- +0.0 `sysctl -iw net.inet.sctp.auth_enable=0`
- #endif
- +0.0 `sysctl -w net.inet.sctp.reconfig_enable=1`
- // Create a non-blocking 1-to-1 style socket
- +0.0 socket(..., SOCK_STREAM, IPPROTO_SCTP) = 3
- +0.0 fcntl(3, F_GETFL) = 0x02 (flags O_RDWR)
- +0.0 fcntl(3, F_SETFL, O_RDWR | O_NONBLOCK) = 0
- // Enable reception of stream reset requests
- +0.0 setsockopt(3, IPPROTO_SCTP, SCTP_ENABLE_STREAM_RESET, {assoc_id=0, assoc_value=SCTP_ENABLE_RESET_STREAM_REQ}, 8) = 0
- // Trigger the active associtation setup
- +0.1 connect(3, ..., ...) = -1 EINPROGRESS (Operation now in progress)
- +0.0 > sctp: INIT[flgs=0, tag=1, a_rwnd=..., os=..., is=..., tsn=1, SUPPORTED_EXTENSIONS[types=[RECONFIG]], SUPPORTED_ADDRESS_TYPES[types=[IPv4]]]
- +0.0 < sctp: INIT_ACK[flgs=0, tag=2, a_rwnd=15000, os=10, is=10, tsn=1, SUPPORTED_EXTENSIONS[types=[RECONFIG]], STATE_COOKIE[len=204, val=...]]
- +0.0 > sctp: COOKIE_ECHO[flgs=0, len=..., val=...]
- +0.0 < sctp: COOKIE_ACK[flgs=0]
- // Made traffic to increment ssn for one stream
- +0.0 < sctp: DATA[flgs=BE, len=1016, tsn=1, sid=0, ssn=0, ppid=7]
- * > sctp: SACK[flgs=0, cum_tsn=1, a_rwnd=..., gaps=[], dups=[]]
- +0.0 read(3, ..., 2000) = 1000
- +0.0 < sctp: DATA[flgs=BE, len=1016, tsn=2, sid=0, ssn=1, ppid=7]
- * > sctp: SACK[flgs=0, cum_tsn=2, a_rwnd=..., gaps=[], dups=[]]
- +0.0 read(3, ..., 2000) = 1000
- // Send INCOMING_SSN_RESET_REQUEST from upper Layer
- +0.1 setsockopt(3, IPPROTO_SCTP, SCTP_RESET_STREAMS, {srs_assoc_id=3,
- srs_flags=SCTP_STREAM_RESET_INCOMING,
- srs_number_streams=1,
- srs_stream_list=[0]}, 10) = 0
- +0.0 > sctp: RECONFIG[flgs=0x00, INCOMING_SSN_RESET[req_sn=1, sids=[0]]]
- +0.0 < sctp: RECONFIG[flgs=0x00, RECONFIG_RESPONSE[resp_sn=1, result=2]]
- // Send a second INCOMING_SSN_RESET_REQUEST to ensure that SUT increment the req_sn
- +0.1 setsockopt(3, IPPROTO_SCTP, SCTP_RESET_STREAMS, {srs_assoc_id=3,
- srs_flags=SCTP_STREAM_RESET_INCOMING,
- srs_number_streams=1,
- srs_stream_list=[0]}, 10) = 0
- +0.0 > sctp: RECONFIG[flgs=0x00, INCOMING_SSN_RESET[req_sn=2, sids=[0]]]
- +0.1 close(3) = 0
- +0.0 > sctp: SHUTDOWN[flgs=0, cum_tsn=2]
- +0.1 < sctp: SHUTDOWN_ACK[flgs=0]
- +0.0 > sctp: SHUTDOWN_COMPLETE[flgs=0]
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