babels/files/babeld.init

   1 #!/bin/sh /etc/rc.common
   2
   3 START=70
   4
   5 pidfile='/var/run/babeld.pid'
   6 EXTRA_COMMANDS="status"
   7 EXTRA_HELP="        status Dump Babel's table to the log file."
   8
   9 listen_ifname() {
  10         local ifname=$(uci_get_state network "$1" ifname "$1")
  11         local switch="$2"
  12         append args "$switch $ifname"
  13         append interfaces "$ifname"
  14 }
  15
  16 append_ifname() {
  17         local section="$1"
  18         local option="$2"
  19         local switch="$3"
  20         local _name
  21         config_get _name "$section" "$option"
  22         [ -z "$_name" ] && return 0
  23         local ifname=$(uci_get_state network "$_name" ifname "$_name")
  24         append args "$switch $ifname"
  25 }
  26
  27 append_bool() {
  28         local section="$1"
  29         local option="$2"
  30         local value="$3"
  31         local _loctmp
  32         config_get_bool _loctmp "$section" "$option" 0
  33         [ "$_loctmp" -gt 0 ] && append args "$value"
  34 }
  35
  36 append_switch() {
  37         local value="$1"
  38         local switch="$2"
  39         append args "$switch $value"
  40 }
  41
  42 append_parm() {
  43         local section="$1"
  44         local option="$2"
  45         local switch="$3"
  46         local _loctmp
  47         config_get _loctmp "$section" "$option"
  48         [ -z "$_loctmp" ] && return 0
  49         append args "$switch $_loctmp"
  50 }
  51
  52 babel_filter() {
  53         local cfg="$1"
  54         local _loctmp
  55
  56         local _ignored
  57         config_get_bool _ignored "$cfg" 'ignore' 0
  58         [ "$_ignored" -eq 1 ] && return 0
  59
  60         append args "-C '"
  61
  62         append_parm "$cfg" 'type' ''
  63
  64         append_bool "$cfg" 'local' 'local'
  65
  66         append_parm "$cfg" 'ip' 'ip'
  67         append_parm "$cfg" 'eq' 'eq'
  68         append_parm "$cfg" 'le' 'le'
  69         append_parm "$cfg" 'ge' 'ge'
  70         append_parm "$cfg" 'src_ip' 'src-ip'
  71         append_parm "$cfg" 'src_eq' 'src-eq'
  72         append_parm "$cfg" 'src_le' 'src-le'
  73         append_parm "$cfg" 'src_ge' 'src-ge'
  74         append_parm "$cfg" 'neigh' 'neigh'
  75         append_parm "$cfg" 'id' 'id'
  76         append_parm "$cfg" 'proto' 'proto'
  77
  78         append_ifname "$cfg" 'if' 'if'
  79
  80         append_parm "$cfg" 'action' ''
  81
  82         append args ' ' "'"
  83 }
  84
  85 babel_addif() {
  86         local cfg="$1"
  87
  88         local _ignored
  89         config_get_bool _ignored "$cfg" 'ignore' 0
  90         [ "$_ignored" -eq 1 ] && return 0
  91
  92         listen_ifname "$cfg" "-C 'interface"
  93
  94         append_parm "$cfg" 'wired' 'wired'
  95         append_parm "$cfg" 'link_quality' 'link-quality'
  96         append_parm "$cfg" 'split_horizon' 'split-horizon'
  97         append_parm "$cfg" 'rxcost' 'rxcost'
  98         append_parm "$cfg" 'hello_interval' 'hello-interval'
  99         append_parm "$cfg" 'update_interval' 'update-interval'
 100
 101         append args ' ' "'"
 102 }
 103
 104 babel_config() {
 105         local cfg="$1"
 106
 107         append_bool "$cfg" 'carrier_sense' '-l'
 108         append_bool "$cfg" 'assume_wireless' '-w'
 109         append_bool "$cfg" 'no_split_horizon' '-s'
 110         append_bool "$cfg" 'keep_unfeasible' '-u'
 111         append_bool "$cfg" 'random_router_id' '-r'
 112
 113         append_parm "$cfg" 'multicast_address' '-m'
 114         append_parm "$cfg" 'port' '-p'
 115         append_parm "$cfg" 'state_file' '-S'
 116         append_parm "$cfg" 'hello_interval' '-h'
 117         append_parm "$cfg" 'wired_hello_interval' '-H'
 118         append_parm "$cfg" 'diversity' '-z'
 119         append_parm "$cfg" 'smoothing_half_time' '-M'
 120         append_parm "$cfg" 'kernel_priority' '-k'
 121         append_parm "$cfg" 'duplication_priority' '-A'
 122         append_parm "$cfg" 'debug' '-d'
 123         append_parm "$cfg" 'local_server' '-g'
 124         append_parm "$cfg" 'export_table' '-t'
 125         config_list_foreach "$cfg" 'import_table' append_switch '-T'
 126         append_parm "$cfg" 'conf_file' '-c'
 127         append_parm "$cfg" 'log_file' '-L'
 128 }
 129
 130 start() {
 131         mkdir -p /var/lib
 132         config_load babeld
 133         unset args
 134         unset interfaces
 135         config_foreach babel_config general
 136         config_foreach babel_addif interface
 137         config_foreach babel_filter filter
 138         [ -z "$interfaces" ] && return 0
 139         eval "/usr/sbin/babeld -D -I $pidfile $args $interfaces"
 140 }
 141
 142 stop() {
 143         [ -f "$pidfile" ] && kill $(cat $pidfile)
 144   # avoid race-condition on restart: wait for
 145   # babeld to die for real.
 146   [ -f "$pidfile" ] && sleep 1
 147   [ -f "$pidfile" ] && sleep 1
 148   [ -f "$pidfile" ] && sleep 1
 149   [ -f "$pidfile" ] && exit 42
 150 }
 151
 152 status() {
 153         [ -f "$pidfile" ] && kill -USR1 $(cat $pidfile)
 154 }