ignore invalid rlocs

src/program/lisper/dev-env-docker/lisper04.conf

@@ -1,6 +1,7 @@
 {
    "control_sock" : "/root/lispers.net/lisp-ipc-map-cache",
    "punt_sock"    : "/root/lispers.net/lispers.net-itr",
+   //"punt_sock"    : "lispers.net-itr",
    "arp_timeout"  : 60, // seconds
 
    "interfaces": [

src/program/lisper/dev-env-docker/watch_punt.lua

@@ -0,0 +1,37 @@
+#!snabb/src/snabb snsh
+io.stdout:setvbuf'no'
+io.stderr:setvbuf'no'
+
+local function assert(v, ...)
+   if v then return v, ... end
+   error(tostring((...)), 2)
+end
+
+local ffi = require("ffi")
+local S   = require("syscall")
+local _   = string.format
+
+local file = "lispers.net-itr"
+
+S.signal('pipe', 'ign') --I 💔 Linux
+
+local sock = assert(S.socket("unix", "dgram, nonblock"))
+S.unlink(file)
+local sa = S.t.sockaddr_un(file)
+assert(sock:bind(sa))
+
+local bufsz = 10240
+local buf = ffi.new('uint8_t[?]', bufsz)
+while true do
+   if assert(S.select({readfds = {sock}}, 0)).count == 1 then
+      local len, err = S.read(sock, buf, bufsz)
+      if len then
+         if len > 0 then
+            print(ffi.string(buf, len))
+         end
+      else
+         print(err)
+      end
+   end
+   S.sleep(1/1000)
+end

src/program/lisper/lisper.lua

@@ -245,20 +245,21 @@ local function update_fib(s)
          local rloc = assert(t.rloc or t.rle)
          local ip = parseip6(rloc)
          local exit = lispers[ip]
-         assert(exit, "invalid rloc "..rloc)
-         local key = t.key and t.key ~= "" and parsehex(t.key)
-         local p = tonumber(t.priority)
-         local w = tonumber(t.weight)
-         local loc = {
-            type = "lisper",
-            ip = ip,
-            p = p,
-            w = w,
-            key = key,
-            exit = exit,
-         }
-         table.insert(rt, loc)
-         log_learn(iid, mac, loc)
+         if exit then
+            local key = t.key and t.key ~= "" and parsehex(t.key)
+            local p = tonumber(t.priority)
+            local w = tonumber(t.weight)
+            local loc = {
+               type = "lisper",
+               ip = ip,
+               p = p,
+               w = w,
+               key = key,
+               exit = exit,
+            }
+            table.insert(rt, loc)
+            log_learn(iid, mac, loc)
+         end
       end
    end
 end