libs/core: add new convenience functions to luci.model.network
[oweals/luci.git] / libs / core / luasrc / model / network.lua
index 17e0745685caf70adb6e6e6971a99df060717a11..07bae9a8ae54fc94903d8770a03a129f39ee82dc 100644 (file)
@@ -242,10 +242,19 @@ function has_ipv6(self)
 end
 
 function add_network(self, n, options)
-       if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not self:get_network(n) then
+       local oldnet = self:get_network(n)
+       if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not oldnet then
                if uci_r:section("network", "interface", n, options) then
                        return network(n)
                end
+       elseif oldnet and oldnet:is_empty() then
+               if options then
+                       local k, v
+                       for k, v in pairs(options) do
+                               oldnet:set(k, v)
+                       end
+               end
+               return oldnet
        end
 end
 
@@ -466,6 +475,24 @@ function network._get(self, opt)
        return v or ""
 end
 
+function network._ip(self, opt, family, list)
+       local ip = uci_s:get("network", self.sid, opt)
+       local fc = (family == 6) and ipc.IPv6 or ipc.IPv4
+       if ip then
+               if list then
+                       local l = { }
+                       for ip in utl.imatch(ip) do
+                               ip = fc(ip)
+                               if ip then l[#l+1] = ip:string() end
+                       end
+                       return l
+               else
+                       ip = fc(ip)
+                       return ip and ip:string()
+               end
+       end
+end
+
 function network.get(self, opt)
        return _get("network", self.sid, opt)
 end
@@ -544,6 +571,69 @@ function network.uptime(self)
        end
 end
 
+function network.expires(self)
+       local a = tonumber(uci_s:get("network", self.sid, "lease_acquired"))
+       local l = tonumber(uci_s:get("network", self.sid, "lease_lifetime"))
+       if a and l then
+               l = l - (nxo.sysinfo().uptime - a)
+               return l > 0 and l or 0
+       end
+       return -1
+end
+
+function network.metric(self)
+       return tonumber(uci_s:get("network", self.sid, "metric")) or 0
+end
+
+function network.ipaddr(self)
+       return self:_ip("ipaddr", 4)
+end
+
+function network.netmask(self)
+       return self:_ip("netmask", 4)
+end
+
+function network.gwaddr(self)
+       return self:_ip("gateway", 4)
+end
+
+function network.dnsaddrs(self)
+       return self:_ip("dns", 4, true)
+end
+
+function network.ip6addr(self)
+       local ip6 = self:_ip("ip6addr", 6)
+       if not ip6 then
+               local ifc = ifs[self:ifname()]
+               local llr = ipc.IPv6("fe80::/10")
+               if ifc and ifc.ip6addrs then
+                       local a
+                       for _, a in ipairs(ifc.ip6addrs) do
+                               if not llr:contains(a) then
+                                       ip6 = a:string()
+                                       break
+                               end
+                       end
+               end
+       end
+       return ip6
+end
+
+function network.gw6addr(self)
+       local ip6 = self:_ip("ip6gw", 6)
+       if not ip6 then
+               local dr6 = sys.net.defaultroute6()
+               if dr6 and dr6.device == self:ifname() then
+                       return dr6.nexthop:string()
+               end
+       end
+       return ip6
+end
+
+function network.dns6addrs(self)
+       return self:_ip("dns", 6, true)
+end
+
 function network.is_bridge(self)
        return (self:type() == "bridge")
 end
@@ -843,7 +933,9 @@ function interface.get_network(self)
        if not self.network then
                local net
                for _, net in ipairs(_M:get_networks()) do
-                       if net:contains_interface(self.ifname) then
+                       if net:contains_interface(self.ifname) or
+                          net:ifname() == self.ifname
+                       then
                                self.network = net
                                return net
                        end
@@ -1016,7 +1108,7 @@ end
 function wifinet.active_mode(self)
        local m = _stror(self.iwinfo.mode, self.iwdata.mode) or "ap"
 
-       if     m == "ap"      then m = "AP"
+       if     m == "ap"      then m = "Master"
        elseif m == "sta"     then m = "Client"
        elseif m == "adhoc"   then m = "Ad-Hoc"
        elseif m == "mesh"    then m = "Mesh"
@@ -1118,8 +1210,7 @@ function wifinet.get_i18n(self)
 end
 
 function wifinet.adminlink(self)
-       return dsp.build_url("admin", "network", "wireless",
-               self.iwdata.device, self.netid)
+       return dsp.build_url("admin", "network", "wireless", self.netid)
 end
 
 function wifinet.get_network(self)