dummy/netifd-proto.sh

   1 . /usr/share/libubox/jshn.sh
   2
   3 proto_config_add_generic() {
   4         json_add_array ""
   5         json_add_string "" "$1"
   6         json_add_int "" "$2"
   7         json_close_array
   8 }
   9
  10 proto_config_add_int() {
  11         proto_config_add_generic "$1" 5
  12 }
  13
  14 proto_config_add_string() {
  15         proto_config_add_generic "$1" 3
  16 }
  17
  18 proto_config_add_boolean() {
  19         proto_config_add_generic "$1" 7
  20 }
  21
  22 add_default_handler() {
  23         case "$(type $1 2>/dev/null)" in
  24                 *function*) return;;
  25                 *) eval "$1() { return; }"
  26         esac
  27 }
  28
  29 _proto_do_teardown() {
  30         json_load "$data"
  31         eval "$1_teardown \"$interface\" \"$ifname\""
  32 }
  33
  34 _proto_do_setup() {
  35         json_load "$data"
  36         eval "$1_setup \"$interface\" \"$ifname\""
  37 }
  38
  39 proto_init_update() {
  40         local ifname="$1"
  41         local up="$2"
  42         local external="$3"
  43
  44         PROTO_INIT=1
  45         PROTO_IPADDR=
  46         PROTO_IP6ADDR=
  47         PROTO_ROUTE=
  48         PROTO_ROUTE6=
  49         json_init
  50         json_add_string "ifname" "$ifname"
  51         json_add_boolean "link-up" "$up"
  52         [ -n "$3" ] && json_add_boolean "address-external" "$external"
  53 }
  54
  55 proto_add_ipv4_address() {
  56         local address="$1"
  57         local mask="$2"
  58
  59         jshn_append PROTO_IPADDR "$address/$mask"
  60 }
  61
  62 proto_add_ipv6_address() {
  63         local address="$1"
  64         local mask="$2"
  65
  66         jshn_append PROTO_IP6ADDR "$address/$mask"
  67 }
  68
  69 proto_add_ipv4_route() {
  70         local target="$1"
  71         local mask="$2"
  72         local gw="$3"
  73
  74         jshn_append PROTO_ROUTE "$target/$mask/$gw"
  75 }
  76
  77 proto_add_ipv6_route() {
  78         local target="$1"
  79         local mask="$2"
  80         local gw="$3"
  81
  82         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
  83 }
  84
  85 _proto_push_ip() {
  86         json_add_string "" "$1"
  87 }
  88
  89 _proto_push_route() {
  90         local str="$1";
  91         local target="${str%%/*}"
  92         str="${str#*/}"
  93         local mask="${str%%/*}"
  94         local gw="${str#*/}"
  95
  96         json_add_table ""
  97         json_add_string target "$target"
  98         json_add_integer mask "$mask"
  99         json_add_string gateway "$gw"
 100         json_close_table
 101 }
 102
 103 _proto_push_array() {
 104         local name="$1"
 105         local val="$2"
 106         local cb="$3"
 107
 108         [ -n "$val" ] || return 0
 109         json_add_array "$name"
 110         for item in $val; do
 111                 eval "$cb \"\$item\""
 112         done
 113         json_close_array
 114 }
 115
 116 proto_send_update() {
 117         local interface="$1"
 118
 119         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ip
 120         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
 121         _proto_push_array "route" "$PROTO_ROUTE" _proto_push_route
 122         _proto_push_array "route6" "$PROTO_ROUTE6" _proto_push_route
 123         ubus call network.interface."$interface" notify_proto "$(json_dump)" &
 124 }
 125
 126 init_proto() {
 127         proto="$1"; shift
 128         cmd="$1"; shift
 129
 130         case "$cmd" in
 131                 dump)
 132                         add_protocol() {
 133                                 no_device=0
 134                                 available=0
 135
 136                                 add_default_handler "$1_init_config"
 137
 138                                 json_init
 139                                 json_add_string "name" "$1"
 140                                 eval "$1_init"
 141                                 json_add_boolean no-device "$no_device"
 142                                 json_add_boolean available "$available"
 143                                 json_add_array "config"
 144                                 eval "$1_init_config"
 145                                 json_close_array
 146                                 json_dump
 147                         }
 148                 ;;
 149                 setup|teardown)
 150                         interface="$1"; shift
 151                         data="$1"; shift
 152                         ifname="$1"; shift
 153
 154                         add_protocol() {
 155                                 [[ "$proto" == "$1" ]] || return 0
 156
 157                                 case "$cmd" in
 158                                         setup) _proto_do_setup "$1";;
 159                                         teardown) _proto_do_teardown "$1" ;;
 160                                         *) return 1 ;;
 161                                 esac
 162                         }
 163                 ;;
 164         esac
 165 }