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path: root/src/vnet/tcp/tcp.api
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/*
 * Copyright (c) 2015-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

option version = "1.0.0";
 
/** \brief Configure TCP source addresses, for active-open TCP sessions

    TCP src/dst ports are 16 bits, with the low-order 1024 ports
    reserved. So, it's necessary to provide a considerable number of
    source IP addresses if one wishes to initiate a large number of
    connections.

    Each of those addresses needs to have a receive adjacency - 
    either a /32 or a /128 - and vpp needs to answer (proxy) arps or
    neighbor discovery requests for the addresses. 

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_ipv6 - 1 for ipv6, 0 for ipv4
    @param vrf_id - fib table / vrf id for local adjacencies
    @param first_address - first address that TCP will use
    @param last_address - last address that TCP will use
*/
autoreply define tcp_configure_src_addresses {
    u32 client_index;
    u32 context;
    u8 is_ipv6;
    u32 vrf_id;
    u8 first_address[16];
    u8 last_address[16];
 };
 
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#!/bin/bash

# Copyright (c) 2015 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This aptly-named script verifies and fixes time ordering
# problems with Makefile.{am,in} aclocal.m4 configure* files.

set -eu
#set -vx

touch=""
commit=""
comma_v=""
aclocal=""
optimize=""

# The old autowank scheme used "touch <foo> ; sleep 1"
# to ensure differentiable, ordered timestamps. Worked, but
# took N seconds given N files to fix. We have an example
# which wastes multiple minutes given the old scheme.
#
# This version generates a sequence of timestamps 
# starting an hour ago. That gives us
# lots to play with, in case some obnoxious program feels the need
# to complain about timestamps in the future.

# If we're in UTC+N land, generate UTC+(N+1) 
# If we're in UTC-N land, generate UTC-(N-1)

my_tz=`date +%z`
sign=`echo $my_tz | sed -n -e 's/^\(.\{1\}\).*$/\1/p'`
t=`echo $my_tz | sed -n -e 's/^\(.\{1\}\)//p'`
tz_hour=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
tz_hour=`echo $tz_hour | sed 's/^0//'`

if [ $sign = "-" ] ; then
    sign="+"
    let tz_hour=$tz_hour+1
    if [[ $tz_hour -ge "24" ]] ; then
        tz_hour=0
    fi
else
    sign="-"
    let tz_hour=$tz_hour-1 || true
    if [[ $tz_hour -lt "0" ]] ; then
        tz_hour=23
    fi
fi

# Timestamp, an hour ago:
ts_begin=`TZ=UTC${sign}${tz_hour} date +%Y%m%d%H%M.%S`

# break into constituent parts
year=`echo $ts_begin | sed -n -e 's/^\(.\{4\}\).*$/\1/p'`
t=`echo $ts_begin | sed -n -e 's/^\(.\{4\}\)//p'`
month=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
day=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
hour=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
min=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
sec=`echo $t | sed -n -e 's/\.//p'`

# How many days in the current month?
# Good until someone changes the calendar rules
days_in_current_month() {
    if [[ $month -eq 9 || $month -eq 4 \
        || $month -eq 6 || $month -eq 11 ]] ; then
	return 30;
    fi
    if [[ $month -eq 2 ]] ; then
	let t=($year/400)*400
	if [[ $t -eq $year ]] ; then
	    return 29;
	fi
	let t=($year/100)*100
	if [[ $t -eq $year ]] ; then
	    return 28;
	fi
	let t=($year/4)*4
	if [[ $t -eq $year ]] ; then
	    return 29;
	fi
	return 28;
    fi
    return 31;
}

# The next timestamp to issue via touch
# A real hemorrhoid because bash isnt easily convinced
# that 08 is a decimal number
next_ts() {
    sec=`echo $sec | sed 's/^0//'`
    let sec=$sec+1
    if [[ "$sec" -lt "60" ]] ; then
        if [[ "$sec" -lt "10" ]] ; then
            sec=0$sec
        fi
	return 0;
    fi
    sec="00"
    min=`echo $min | sed 's/^0//'`
    let min=$min+1
    if [[ "$min" -lt "60" ]] ; then
        if [[ "$min" -lt "10" ]] ; then
            min=0$min
        fi
	return 0;
    fi
    min="00"
    hour=`echo $hour | sed 's/^0//'`
    let hour=$hour+1
    if [[ "$hour" -lt "24" ]] ; then
        if [[ "$hour" -lt "10" ]] ; then
            hour=0$hour
        fi
	return 0;
    fi
    hour="00"
    days_in_current_month
    days_in_month=$?
    if [[ "$day" -lt "$days_in_month" ]] ; then
        day=`echo $day | sed 's/^0//'`
	let day=$day+1
        if [[ "$day" -lt "10" ]] ; then
            day=0$day
        fi
	return 0;
    fi
    day="01"
    month=`echo $month | sed 's/^0//'`
    let month=$month+1
    if [[ "$month" -lt "13" ]] ; then
        if [[ "$month" -lt "10" ]] ; then
            month=0$month
        fi
	return 0;
    fi
    month="01"
    let year=$year+1
    return 0;
}

while [ $# != 0 ] ; do
  case "$1" in
    (--commav) comma_v=",v" ;;
    (--touch) touch=yes ;;
    (--aclocal) aclocal=yes ;;
    (--nooptimize) optimize="" ;;
    (--commit=*) commit="$1" ;;
    (*) echo "$0: usage [--touch|--commit|]" > /dev/stderr
        exit 17 ;;
  esac
  shift
done

if [ "${aclocal}" != "" ] ; then
    if [ -f aclocal.m4 ] ; then
        echo touching aclocal.m4
        sleep 1
        touch aclocal.m4
    else
        echo aclocal.m4 not found
    fi
fi

if [ "${comma_v}" != "" -a "${commit}" != "" ] ; then
  echo "No, you may NOT molest ,v files directly.  Go away." > /dev/stderr
  exit 1
fi

function touchme ()
{
  local victim="${1}"
  shift
  local touchmebaby=""
  local sein="is"
  local newer="no"
  local older="no"

  if [ ! -r "$victim" ] ; then
    return
  fi

  while [ $# != 0 ] ; do
    if [ "${1}" -nt "${victim}" ] ; then
        newer="yes"
    fi
    if [ "${1}" -ot "${victim}" ] ; then
        older="yes"
    fi
    if [ "${newer}" = "no" -a "${older}" = "no" ] ; then
        newer="yes"
    fi

    if [ "${newer}" = "yes" ] ; then
      if [ "${touchmebaby}" = "" ] ; then
        touchmebaby="${1}"
      else
        sein="are"
        touchmebaby="${touchmebaby} ${1}"
      fi
    fi
    shift
  done
  if [ -n "${touchmebaby}" ] ; then
    echo "*** ${touchmebaby} ${sein} newer than ${victim}  "
    if [ -n "${touch}" ] ; then
      # 
      # This is the old version, in case something backfires...
      if [ "${optimize}" != "yes" ] ; then 
          echo "Fixing " ;touch -c "$victim" ; sleep 1
      else
          echo "Fixing "
      # echo touch -c -t $year$month$day$hour$min.$sec "$victim"
          touch -c -t $year$month$day$hour$min.$sec "$victim"
          next_ts
      fi
    fi
  fi
}

makefileins="`/usr/bin/find . -name Attic -prune -o -name Makefile.in${comma_v}`"

# aclocal.m4 depends on ***/Makefile.am, configure.ac, acinclude.m4, *.m4 crap
touchme aclocal.m4${comma_v} \
        `/usr/bin/find . -name Attic -prune -o -name Makefile.am${comma_v}` \
        "configure.in${comma_v}" "configure.ac${comma_v}" \
        "acinclude.m4${comma_v}"

# Makefile.in must be newer than Makefile.am
for f in $makefileins ; do
  d="`dirname ${f}`"
  touchme "${d}/Makefile.in${comma_v}" "${d}/Makefile.am${comma_v}"
done

# Makefile.in depends on aclocal.m4
for f in $makefileins ; do
  d="`dirname $f`"
  touchme "${d}/Makefile.in${comma_v}" "aclocal.m4${comma_v}"
done

# config.in must be newer than aclocal.m4 and configure.ac
if [ -f "config.in${comma_v}" ] ; then
  touchme "config.in${comma_v}" "aclocal.m4${comma_v}" \
                                "configure.ac${comma_v}" \
                                "configure.in${comma_v}"
fi

# config.h.in (or More Thoroughly Modern configh.in)
# must be newer than aclocal.m4 and (obsolete) acconfig.h
for c_h_in in config.h.in configh.in ; do
  if [ -f "${c_h_in}${comma_v}" ]; then
    touchme "${c_h_in}${comma_v}" "aclocal.m4${comma_v}" "acconfig.h${comma_v}"
    #>>>> WTF?  Why?  This is nonsensical
    ## ***/Makefile.in must be newer than config.h.in
    #for f in $makefileins ; do
    #  touchme "$f" "${c_h_in}${comma_v}"
    #done
  fi
done

# configure must be newer than everything
# touchme configure $makefileins -- why would this be needed?
touchme "configure${comma_v}" "aclocal.m4${comma_v}" "acconfig.h${comma_v}" \
                              "config.in${comma_v}" "config.h.in${comma_v}" \
                              "configh.in${comma_v}"

if [ -n "${commit}" ] ; then
  commit="${commit:9}" # strip off "--commit="
  # First ***/Makefile.am,
  # configure.in, configure.ac,
  # ***/*.m4
  # acconfig.h
  cvs commit -m "${commit}" \
             `for f in ${makefileins} ; do \
                [ -f "$${f%.in}.am" ] && echo "$${f%.in}.am" ; \
              done` \
             `[ -f configure.in ] && echo configure.in` \
             `[ -f configure.ac ] && echo configure.ac` \
             `[ -f acconfig.h ] && echo acconfig.h` \
             `/usr/bin/find . -name '*.m4' -mindepth 2`

  # Next aclocal.m4
  [ -f "aclocal.m4" ] && cvs commit -m "${commit}" aclocal.m4

  # Next config.in, config.h.in, configh.in
  [ -f "config.in" ] && cvs commit -m "${commit}" config.in
  [ -f "config.h.in" ] && cvs commit -m "${commit}" config.h.in
  [ -f "configh.in" ] && cvs commit -m "${commit}" configh.in

  # Last ***/Makefile.in, configure
  cvs commit -m "${commit}" ${makefileins} configure
fi