run

#!/usr/bin/env zsh

if (( ${+PROJECT_DIR} )); then
   local project_dir=${PROJECT_DIR}
else
   local project_dir=$(pwd)
fi

# export GST_PLUGIN_PATH="/usr/lib/gstreamer-1.0:${project_dir}/build"
# export GST_PLUGIN_PATH="${project_dir}/../gst-plugins-good/install/lib/gstreamer-1.0:${project_dir}/build"
LD_LIBRARY_PATH=${project_dir}/usrsctp/build
IP_NTP_SERVER=${IP_RECEIVER}


dot_dir_default=${project_dir}/dot
gst_debug_default=""
default_variant="single"

usage() {
   echo "usage: run [-fbuvR] [--dot [dir]] binary -V variant"
   exit 1
}

zshexit() {
   [[ ! ${+verbose[1]} ]] && set +x
}

zparseopts -D -E -- f=fetch b=build u=usrsctp R=norun d:=debug_string v=verbose -dot::=dot_dir \
                    V:=variant -valgrind=valgrind n:=num_buffers T:=timestamp_offset -ntp=ntp \
                    D:=deadline -delay:=delay -padding:=delay_padding

[[ $# < 2 ]] && norun[1]=1
(( ${+verbose[1]} )) && set -x

if (( !${+GST_DEBUG} )); then
   # if given by -d > replace, otherwise take default
   export GST_DEBUG=${debug_string[2]:-${gst_debug_default}}
fi

TARGET=
if (( ! ${+norun[1]} )); then
   TARGET=$1
   try_bin=${1}/${2}
   if [[ -x $try_bin ]]; then
      # echo "found $try_bin"
      BIN=$try_bin
   else
      BIN="${project_dir}/**/${try_bin}(*[1])"
      # if [[ ! -f ${~BIN} ]]; then
      #    echo "binary ( ${~BIN} ) not found"
      #    usage
      # fi
   fi
fi

export GST_PLUGIN_PATH=${TARGET}

# # fetch
# if (( ${+fetch[1]} )); then
#    echo -e "\n####Fetching from git repo...."
#    (cd ${project_dir}
#    git pull origin master
#    )
# fi

# # build usrsctp
# if (( ${+usrsctp[1]} )); then
#    echo -e "\n####Building usrsctp...."
#    cmake --build ${project_dir}/usrsctp/build
# fi

# # build gst-sctp
# if (( ${+build[1]} )); then
#    echo -e "\n####Building gst-sctp...."
#    (cd ${project_dir}/build;
#    ninja install
#    )
# fi

if (( ${+ntp[1]} )); then
   sudo systemctl stop ntpd.service
   sudo ntpdate ${IP_NTP_SERVER}
   if (( $? )); then
      echo "\033[0;31mNTP failed\033[0m"
      exit 1
   fi
   sudo systemctl start ntpd.service
fi

if (( ${+norun[1]} )); then
   exit 0
fi

if (( ${+dot_dir[1]} )); then
   # the option --dot <dir> is added into the same field [1] > substitute the option
   # if result is empty > take default
   DOT_DIR=${${dot_dir[1]:s/--dot//}:-${dot_dir_default}}
   mkdir -p $DOT_DIR
   export GST_DEBUG_DUMP_DOT_DIR=$DOT_DIR
fi

if (( $(( 4294 - ( $(date +%s) - ${timestamp_offset[2]} ) )) < 500 )); then
   echo "TS offset error: $(( 4294 - ( $(date +%s) - ${timestamp_offset[2]} ) )) left\tuse:  $(date +%s)"
   exit 1
fi

# run sender
sudo -E LD_LIBRARY_PATH=${LD_LIBRARY_PATH} \
   ${+valgrind[1]:+valgrind} \
   ${~BIN} \
   --variant ${variant[2]:-$default_variant} \
   --timestamp-offset ${timestamp_offset[2]} \
   --deadline $(( ${deadline[2]} * 1000 )) \
   ${+delay[2]:+--path-delay} ${+delay[2]:+$(( ${delay[2]} * 1000 ))} \
   ${+delay_padding[2]:+--delay-padding} ${+delay_padding[2]:+$(( ${delay_padding[2]} * 1000 ))} \
   ${+num_buffers[2]:+-n} ${+num_buffers[2]:+${num_buffers[2]}} \
   2>&1