net/tunneldigger-broker/files/tunneldigger-broker.init

   1 #!/bin/sh /etc/rc.common
   2
   3 . $IPKG_INSTROOT/lib/functions/network.sh
   4
   5 START=90
   6 USE_PROCD=1
   7 NAME=tunneldigger-broker
   8
   9 PIDPATH=/var/run
  10 CONFIGFILE=/var/etc/tunneldigger-broker.cfg
  11 HOOKPATH=/usr/lib/tunneldigger-broker/hooks
  12
  13 missing() {
  14         echo "Not starting tunneldigger-broker - missing $1" >&2
  15         exit 1
  16 }
  17
  18 cfg_append() {
  19         local value="$1"
  20         echo "$value" >> $CONFIGFILE
  21 }
  22
  23 cfg_append_section() {
  24         local name="$1"
  25         cfg_append "[${name}]"
  26 }
  27
  28 cfg_append_kv() {
  29         local key="$1"
  30         local value="$2"
  31         cfg_append "${key}=${value}"
  32 }
  33
  34 cfg_append_option() {
  35         local cfg="$1"
  36         local option="$2"
  37         local key="$3"
  38         config_get value "$cfg" "${option}"
  39         [ -z "${value}" ] && missing ${option}
  40         cfg_append_kv "${key}" "${value}"
  41 }
  42
  43 parse_broker() {
  44         local section="$1"
  45         cfg_append_section broker
  46         config_get interface "$section" interface
  47
  48         [ ! -z "${interface}" ] && {
  49                 # Resolve logical interface name.
  50                 unset _interface address
  51                 network_get_device _interface "${interface}" || _interface="${interface}"
  52                 cfg_append_kv interface "${_interface}"
  53                 network_get_ipaddr address "${interface}"
  54                 cfg_append_kv address "${address}"
  55         }
  56
  57         OPTIONS="max_cookies max_tunnels port_base tunnel_id_base tunnel_timeout namespace connection_rate_limit pmtu"
  58         for option in ${OPTIONS}; do
  59                 cfg_append_option "$section" "${option}" "${option}"
  60         done
  61
  62         config_get port "$section" port
  63         cfg_append_kv "port" "${port// /,}"
  64
  65         cfg_append_section hooks
  66         cfg_append_kv "session.up" "${HOOKPATH}/setup"
  67         cfg_append_kv "session.pre-down" "${HOOKPATH}/teardown"
  68         cfg_append_kv "session.mtu-changed" "${HOOKPATH}/mtu-changed"
  69 }
  70
  71 parse_log() {
  72         local section="$1"
  73         cfg_append_section log
  74
  75         OPTIONS="filename verbosity"
  76         for option in ${OPTIONS}; do
  77                 cfg_append_option "$section" "${option}" "${option}"
  78         done
  79
  80         config_get_bool log_ip_addresses "$section" log_ip_addresses 1
  81         if [ "${log_ip_addresses}" -eq 1 ]; then
  82                 cfg_append_kv "log_ip_addresses" "true"
  83         else
  84                 cfg_append_kv "log_ip_addresses" "false"
  85         fi
  86 }
  87
  88 start_service() {
  89         # Prepare the configuration file from UCI settings.
  90         rm -f ${CONFIGFILE}
  91         config_load tunneldigger-broker
  92         config_foreach parse_broker broker
  93         config_foreach parse_log log
  94
  95         # Start the service using procd.
  96         procd_open_instance
  97         procd_set_param command "/usr/bin/python"
  98         procd_append_param command -m tunneldigger_broker.main
  99         procd_append_param command "${CONFIGFILE}"
 100         procd_set_param respawn
 101         procd_set_param stdout 1
 102         procd_set_param stderr 1
 103         procd_close_instance
 104 }