From 6ca3b275fc9bd83ccc9a4decf6d04d819f0efcf9 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 24 May 2009 19:28:04 +0000
Subject: [PATCH 1/1] modules/freifunk: implement map update for GlobalMap
 applications/luci-ffwizard-leipzig: add lat and lon fields

---
 .../luasrc/model/cbi/ffwizard.lua                  | 35 +++++++++++++++-
 modules/freifunk/root/etc/init.d/freifunk          |  4 ++
 modules/freifunk/root/usr/sbin/ff_mapupdate        | 49 ++++++++++++++++++++++
 3 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100755 modules/freifunk/root/usr/sbin/ff_mapupdate

diff --git a/applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua b/applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua
index fa88f0150..e82353031 100644
--- a/applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua
+++ b/applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua
@@ -80,10 +80,15 @@ client = f:field(Flag, "client", "WLAN-DHCP anbieten")
 client:depends("wifi", "1")
 client.rmempty = true
 
-
 olsr = f:field(Flag, "olsr", "OLSR einrichten")
 olsr.rmempty = true
 
+lat = f:field(Value, "lat", "Latitude")
+lat:depends("olsr", "1")
+
+lon = f:field(Value, "lon", "Longitude")
+lon:depends("olsr", "1")
+
 share = f:field(Flag, "sharenet", "Eigenen Internetzugang freigeben")
 share.rmempty = true
 
@@ -265,6 +270,10 @@ function olsr.write(self, section, value)
 	local community = net:formvalue(section)
 	local external  = community and uci:get("freifunk", community, "external") or ""
 
+	local latval = tonumber(lat:formvalue(section))
+	local lonval = tonumber(lon:formvalue(section))
+
+
 	-- Delete old interface
 	uci:delete_all("olsrd", "Interface", {interface=device})
 
@@ -285,6 +294,29 @@ function olsr.write(self, section, value)
 		interval = "30"
 	})
 
+	-- Delete old nameservice settings
+	uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_nameservice.so.0.3"})
+
+	-- Write new nameservice settings
+	uci:section("olsrd", "LoadPlugin", nil, {
+		library     = "olsrd_nameservice.so.0.3",
+		latlon_file = "/var/run/latlon.js",
+		lat         = latval and string.format("%.15f", latval) or "",
+		lon         = lonval and string.format("%.15f", lonval) or ""
+	})
+
+	-- Save latlon to system too
+	if latval and lonval then
+		uci:foreach("system", "system", function(s)
+			uci:set("system", s[".name"], "latlon",
+				string.format("%.15f %.15f", latval, lonval))
+		end)
+	else
+		uci:foreach("system", "system", function(s)
+			uci:delete("system", s[".name"], "latlon")
+		end)
+	end
+
 	-- Import hosts
 	uci:foreach("dhcp", "dnsmasq", function(s)
 		uci:set("dhcp", s[".name"], "addnhosts", "/var/etc/hosts.olsr")
@@ -305,6 +337,7 @@ function share.write(self, section, value)
 	end
 	uci:save("firewall")
 	uci:save("olsrd")
+	uci:save("system")
 end
 
 
diff --git a/modules/freifunk/root/etc/init.d/freifunk b/modules/freifunk/root/etc/init.d/freifunk
index d90e3ff5e..3a668b11f 100755
--- a/modules/freifunk/root/etc/init.d/freifunk
+++ b/modules/freifunk/root/etc/init.d/freifunk
@@ -23,6 +23,10 @@ boot() {
 		echo "0 */4 * * *	/usr/sbin/ff_rdate" >> /etc/crontabs/root
 	}
 
+	grep -q '/usr/sbin/ff_mapupdate' /etc/crontabs/root || {
+		echo "17 * * * *	/usr/sbin/ff_mapupdate >> /etc/crontabs/root
+	}
+
 	[ -f /etc/rc.local ] && . /etc/rc.local
 	[ -d /etc/rc.local.d ] && {
 		for file in /etc/rc.local.d/*; do
diff --git a/modules/freifunk/root/usr/sbin/ff_mapupdate b/modules/freifunk/root/usr/sbin/ff_mapupdate
new file mode 100755
index 000000000..132546c6b
--- /dev/null
+++ b/modules/freifunk/root/usr/sbin/ff_mapupdate
@@ -0,0 +1,49 @@
+#!/usr/bin/lua
+
+local uci = require "luci.model.uci"
+local x = uci.cursor()
+
+local update_url = "http://www.layereight.de/freifunkmap.php?update=%.15f,%.15f&olsrip=%s&note=%s&robot=%s"
+local update_all = ( arg[1] and arg[1] == "all" ) and true or false
+
+local file
+x:foreach("olsrd", "LoadPlugin", function(s)
+	if s.library == "olsrd_nameservice.so.0.3" then
+		file = io.open(s.latlon_file)
+	end
+end)
+
+if file then
+	local ln
+	local count = 0
+	while true do
+		ln = file:read("*l")
+		if not ln then break end
+		if update_all and ln:match("^Node%(") then
+			local ip, lat, lon, note = ln:match("Node%('(%S+)',([%d%.]+),([%d%.]+),%d+,'%S+','(%S+)'%)")
+			lat = tonumber(lat)
+			lon = tonumber(lon)
+		
+			if ip and lat ~= 0.0 and lon ~= 0.0 and note then
+				note = note:gsub("[^%w%-%.]+", "_")
+				os.execute("wget -qO/dev/null %q" % string.format(update_url, lat, lon, ip, note, "luci-massupdate"))
+				count = count + 1
+			end
+
+		elseif ln:match("^Self%(") then
+			local ip, lat, lon, note = ln:match("Self%('(%S+)',([%d%.]+),([%d%.]+),%d+,'%S+','(%S+)'%)")
+			lat = tonumber(lat)
+			lot = tonumber(lon)
+			
+			if ip and lat ~= 0.0 and lon ~= 0.0 and note then
+				note = note:gsub("[^%w%-%.]+", "_")
+				os.execute("wget -qO/dev/null %q" % string.format(update_url, lat, lon, ip, note, "luci-selfupdate"))
+				count = count + 1
+			end
+		end
+	end
+
+	os.execute("logger -t 'mapupdate' 'Updated %d entries in freifunk map'" % count)
+
+	file:close()
+end
-- 
2.11.0