net/rtpproxy/files/rtpproxy.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2014 CESNET, z.s.p.o
   3 # Copyright (C) 2018 OpenWrt.org
   4
   5 START=90
   6
   7 NAME=rtpproxy
   8 COMMAND="/usr/bin/$NAME"
   9
  10 USE_PROCD=1
  11
  12 #PROCD_DEBUG=1
  13
  14 LOGGER="/usr/bin/logger -t $NAME"
  15 LOG_ERR="$LOGGER -p user.err -s"
  16
  17 run_instance() {
  18         procd_open_instance
  19         procd_set_param command $COMMAND
  20         procd_append_param command \
  21                 $1 \
  22                 -p "/var/run/$NAME-$2.pid" \
  23                 -f
  24         # forward stderr to logd
  25         procd_set_param stderr 1
  26         procd_close_instance
  27
  28         $LOGGER instance $2 has started
  29 }
  30
  31 check_ip() {
  32         local tmp_addr
  33
  34         if [ "$1" = "ipaddr" ]; then
  35                 network_get_ipaddr tmp_addr "$2" || tmp_addr="$2"
  36         else
  37                 network_get_ipaddr6 tmp_addr "$2" || tmp_addr="$2"
  38         fi
  39
  40         echo "$tmp_addr"
  41 }
  42
  43 check_ipaddr() {
  44         local value="$1"
  45         local type="$2"
  46         local param="$3"
  47         local one two
  48
  49         [ -z "$value" ] && {
  50                 $LOG_ERR empty $type entry
  51                 exit 1
  52         }
  53
  54         # Bail if more than 1 slash.
  55         [ $(echo "$value" | awk -F "/" '{print NF-1}') -gt 1 ] && {
  56                 $LOG_ERR init script does not understand $type entry \""$value"\"
  57                 exit 1
  58         }
  59
  60         IFS="/" read one two << EOF
  61 $value
  62 EOF
  63
  64         one="$(check_ip "$type" "$one")"
  65         if [ -n "$two" ]; then
  66                 two="$(check_ip "$type" "$two")"
  67                 rtpproxy_options=$rtpproxy_options" $param $one/$two"
  68         else
  69                 rtpproxy_options=$rtpproxy_options" $param $one"
  70         fi
  71 }
  72
  73 check_param() {
  74         local param="$1"
  75         local value="$2"
  76         local default_value="$3"
  77
  78         if [ "$value" != "" ]; then
  79                 rtpproxy_options=$rtpproxy_options" $param $value"
  80         else
  81                 if [ "$default_value" != "" ]; then
  82                         rtpproxy_options=$rtpproxy_options" $param $default_value"
  83                 fi
  84         fi
  85 }
  86
  87 check_special_param() {
  88         local param="$1"
  89
  90         if [ "$param" != "" ]; then
  91                 rtpproxy_options=$rtpproxy_options" $param"
  92         fi
  93 }
  94
  95 handle_instance() {
  96         local site="$1"
  97         local socket opts ipaddr ip6addr rtpproxy_options log_level
  98
  99         config_get socket       "$site" socket
 100         config_get opts         "$site" opts
 101         config_get ipaddr       "$site" ipaddr
 102         config_get ip6addr      "$site" ip6addr
 103         config_get user         "$site" user
 104         config_get log_level    "$site" log_level
 105
 106         check_param "-s" "$socket"
 107         check_param "-u" "$user"        "nobody"
 108         check_param "-d" "$log_level"   "DBUG"
 109
 110         check_special_param "$opts"
 111
 112         [ -n "$ipaddr" ]        && check_ipaddr "$ipaddr"       ipaddr  '-l'
 113         [ -n "$ip6addr" ]       && check_ipaddr "$ip6addr"      ip6addr '-6'
 114
 115         run_instance "$rtpproxy_options" "$site"
 116 }
 117
 118 start_service() {
 119         local enabled
 120
 121         config_load $NAME
 122
 123         config_get_bool enabled global enabled 0
 124
 125         if [ "$enabled" -eq 1 ]; then
 126                 . /lib/functions/network.sh
 127                 config_foreach handle_instance instance
 128         else
 129                 $LOG_ERR service not enabled
 130                 $LOG_ERR edit /etc/config/$NAME
 131         fi
 132 }
 133