base-files: implement network_get_gateway(), network_get_gateway6(), network_find_wan...

[openwrt/openwrt.git] / package / base-files / files / lib / functions / network.sh

diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
index 159da09a0d61617682663bd2718a52f46df826f2..7475b00cba384afc7ef6f1e505b69ec7a8301286 100644 (file)
--- a/package/base-files/files/lib/functions/network.sh
+++ b/package/base-files/files/lib/functions/network.sh
@@ -41,16 +41,99 @@ network_get_subnet()  { __network_ipaddr "$1" "$2" 4 1; }
 network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
 
 
-network_get_device()
+__network_gateway()
 {
        local __var="$1"
        local __iface="$2"
+       local __family="$3"
+
+       local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+       local __idx=1
+
+       json_load "${__tmp:-{}}"
+
+       if json_get_type __tmp route && [ "$__tmp" = array ]; then
+
+               json_select route
+
+               while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
+
+                       json_select "$((__idx++))"
+                       json_get_var __tmp target
+
+                       case "${__family}/${__tmp}" in
+                               4/0.0.0.0|6/::)
+                                       json_get_var "$__var" nexthop
+                                       return $?
+                               ;;
+                       esac
+
+                       json_select ".."
+
+               done
+       fi
+
+       return 1
+}
+
+network_get_gateway()  { __network_gateway "$1" "$2" 4; }
+network_get_gateway6() { __network_gateway "$1" "$2" 6; }
+
+
+__network_wan() {
+       local __var="$1"
+       local __family="$2"
+       local __iface
+
+       for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do
+               if __network_gateway "$__var" "$__iface" "$__family"; then
+                       eval "export -- \"$__var=$__iface\""
+                       return 0
+               fi
+       done
+
+       eval "export -- \"$__var=\""
+       return 1
+}
+
+network_find_wan()  { __network_wan "$1" 4; }
+network_find_wan6() { __network_wan "$1" 6; }
+
+
+__network_device()
+{
+       local __var="$1"
+       local __iface="$2"
+       local __field="$3"
 
        local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
        [ -n "$__tmp" ] || return 1
 
        json_load "$__tmp"
-       json_get_var "$__var" device
+       json_get_var "$__var" "$__field"
+}
+
+network_is_up()
+{
+       local __up
+       __network_device __up "$1" up && [ $__up -eq 1 ]
+}
+
+network_get_device()  { __network_device "$1" "$2" l3_device; }
+network_get_physdev() { __network_device "$1" "$2" device;    }
 
-       return 0
+
+__network_defer()
+{
+       local __device="$1"
+       local __defer="$2"
+
+       json_init
+       json_add_string name "$__device"
+       json_add_boolean defer "$__defer"
+
+       ubus call network.device set_state "$(json_dump)" 2>/dev/null
 }
+
+network_defer_device() { __network_defer "$1" 1; }
+network_ready_device() { __network_defer "$1" 0; }