scripts/ak-scripts/ak-kill-9pserver.sh

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (c) 2015 Google Inc.
   4 # See LICENSE for details.
   5
   6 function short_description() {
   7         echo "Kill the Go 9pserver for Akaros with the specified port number"
   8 }
   9
  10 function usage() {
  11         echo "Usage:"
  12         echo "    ${cmd} -h | --help"
  13         echo "    ${cmd} [ --ufs-port=<port> ]"
  14         echo ""
  15         echo "Options:"
  16         echo "    -h --help               Display this screen and exit"
  17         echo "    --ufs-port=<port>       Port the ufs server is on"
  18         echo "                            [default: 1025]"
  19 }
  20
  21 function main() {
  22         # Check the sanity of our incoming variables
  23         check_vars ufs_port
  24
  25         # Kill any old instances of the ufs server on ${ufs_port}
  26         local ufs_pid=$(ps aux | grep "ufs" | grep "\-addr=:${ufs_port}" \
  27                                | head -1 | awk '{print $2}' )
  28         if [ "${ufs_pid}" != "" ]; then
  29                 echo "Killing old 9p server instance on port=${ufs_port} (pid ${ufs_pid})"
  30                 echo "${ufs_pid}" | xargs kill
  31         fi
  32 }