From 09f4a9c5b4a02e48a15438556d81525273d5b05f Mon Sep 17 00:00:00 2001
From: googol <googol@ukr.net>
Date: Thu, 31 Jan 2019 22:51:25 +0200
Subject: [PATCH] Added base metrics

---
 init.lua | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 mod.conf |  1 +
 2 files changed, 52 insertions(+)
 create mode 100644 init.lua
 create mode 100644 mod.conf

diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..f9f55f7
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,51 @@
+local mt_stat ={}
+
+mt_stat.http = minetest.request_http_api()
+mt_stat.url = minetest.settings:get("mt_stat.url") or "http://localhost:8086"
+mt_stat.timeout = minetest.settings:get("mt_stat.timeout") or 10
+mt_stat.db = minetest.settings:get("mt_stat.db") or "minetest"
+mt_stat.receive = minetest.settings:get("mt_stat.receive") or 30
+-- For secure connect set header value (Authorization: Basic bG9naW46cGFzc3dvcmQ=)
+-- where bG9naW46cGFzc3dvcmQ= is the base64(login:password)
+mt_stat.header = minetest.settings:get("mt_stat.header") or nil
+
+function mt_stat.send_metrics()
+	mt_stat.measurements = {}
+	local players = minetest.get_connected_players()
+	mt_stat.measurements.players_online = #players
+	mt_stat.measurements.max_lag = string.match(minetest.get_server_status(), "max_lag=(.-), cli")
+    mt_stat.measurements.game_time = minetest.get_timeofday() * 24000
+	mt_stat.measurements.server_uptime = minetest.get_server_uptime()
+	local united_data = "mt_stat "
+	local t = ""
+	for key,value in pairs(mt_stat.measurements) do
+		united_data = united_data..t..string.format('%s=%02f',key,value)
+		t = ","
+	end
+	mt_stat.request_http("/write?db="..mt_stat.db, united_data)
+	minetest.after(mt_stat.timeout, mt_stat.send_metrics)
+end
+
+function mt_stat.request_http(url,pd)
+	local req = {url = mt_stat.url..url, post_data = pd, extra_headers = {mt_stat.header}, timeout = mt_stat.interval}
+	mt_stat.http.fetch(req,	function(result)
+		if result.succeeded and result.code == 200 then
+			if req.post_data.q == "SHOW DATABASES" and string.find(result.data, mt_stat.db) then
+				minetest.after(mt_stat.timeout, mt_stat.send_metrics)
+				minetest.log("mt_stat: Loaded... [OK]")
+			elseif req.post_data.q == "SHOW DATABASES" and  not string.find(result.data, mt_stat.db) then
+				mt_stat.request_http("/query",{q="CREATE DATABASE "..mt_stat.db})
+				minetest.log("mt_stat: Create database "..mt_stat.db.."!")
+			elseif req.post_data.q == "CREATE DATABASE "..mt_stat.db then
+				mt_stat.request_http("/query",{q="SHOW DATABASES"})
+				minetest.log("mt_stat: Database created!")
+			end
+		end
+	end)
+end
+
+if mt_stat.http then
+	mt_stat.request_http("/query",{q="SHOW DATABASES"})
+else 
+	minetest.log("mt_stat: Please setup (secure.http_mod = mt_stat) in minetest.conf")
+end
\ No newline at end of file
diff --git a/mod.conf b/mod.conf
new file mode 100644
index 0000000..34a2503
--- /dev/null
+++ b/mod.conf
@@ -0,0 +1 @@
+name = mt_stat
\ No newline at end of file