From 49a666ce34362edf53f0e7dec6b9d8523e7ad29d Mon Sep 17 00:00:00 2001
From: Giovanni Di Grezia <xgiovio@gmail.com>
Date: Thu, 25 Mar 2021 02:19:10 +0100
Subject: [PATCH] multiconfig version update

---
 README.md                                     |  9 ++++
 config/config.json                            |  9 ++++
 .../fromlog/datadefinitions/filelogic.js      |  0
 fromlog.counter                               |  0
 fromlog.file                                  |  0
 index.js                                      | 43 +++++++++++++++----
 fromlog.js => plugins/fromlog/index.js        | 27 ++++++++----
 7 files changed, 72 insertions(+), 16 deletions(-)
 create mode 100644 README.md
 create mode 100644 config/config.json
 rename fromlog.datadefinition => config/fromlog/datadefinitions/filelogic.js (100%)
 delete mode 100644 fromlog.counter
 delete mode 100644 fromlog.file
 rename fromlog.js => plugins/fromlog/index.js (71%)

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7cf4687
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+set config file in config/config.json
+
+for fromlog config
+	logs go in config/fromlog/logs
+	datadefinitions in config/fromlogs/datadefintions
+
+program save own data in program-data folder
+
+launch with: node index.js in root folder
\ No newline at end of file
diff --git a/config/config.json b/config/config.json
new file mode 100644
index 0000000..71ce49d
--- /dev/null
+++ b/config/config.json
@@ -0,0 +1,9 @@
+[
+	{
+		"modifier":"fromlog",
+		"file":"file",
+		"logic":"filelogic.js",
+		"port":80,
+		"idle":10000
+	}
+]
diff --git a/fromlog.datadefinition b/config/fromlog/datadefinitions/filelogic.js
similarity index 100%
rename from fromlog.datadefinition
rename to config/fromlog/datadefinitions/filelogic.js
diff --git a/fromlog.counter b/fromlog.counter
deleted file mode 100644
index e69de29..0000000
diff --git a/fromlog.file b/fromlog.file
deleted file mode 100644
index e69de29..0000000
diff --git a/index.js b/index.js
index 34ed472..65145c3 100644
--- a/index.js
+++ b/index.js
@@ -1,12 +1,39 @@
 var http = require('http');
-var modifier = process.env.MODIFIER;
-if (modifier){
-	modifier = require("./" + modifier );
-	modifier.init();
+var path = require('path');
+var configs = require("./config/config.json");
+
+configs.forEach(function(config){
+	var modifier= config.modifier;
+	if (modifier=="fromlog"){
+		var file = config.file;
+		var logic = config.logic;
+		var port = config.port;
+		var idle = config.idle;
+		if (isNaN(idle)){
+			idle = 10000;
+		}
+		try{
+			fromlog(file,logic,port,idle);
+			console.log("Launched configuration:" + modifier + ";" + file);
+		} catch (error) {
+			console.log("Error launching configuration:" + modifier + ";" + file+ ";Error:" + error);
+		}
+	}
+});
+
+
+function fromlog(file,logic,port,idle){
+	delete require.cache[require.resolve("./plugins/fromlog/index.js")];
+	var modifierexec = require("./plugins/fromlog/index.js");
+	modifierexec.init(file,logic,idle);
+	createserver(modifierexec,port);
+}
+
+function createserver (modifierexec,port){
 
 	http.createServer(function(req,res){
 		res.writeHead(200,{"Content-Type": "text/plain"});
-		var data = modifier.data();
+		var data = modifierexec.data();
 		var body = "";
 		var globallabelstring = "";
 		if (data.__labels){
@@ -55,8 +82,8 @@ if (modifier){
 			}
 		}
 		res.end(body);
-	}).listen(80);
-} else {
-	console.log("No modifier selected");
+	}).listen(port);
 }
 
+
+
diff --git a/fromlog.js b/plugins/fromlog/index.js
similarity index 71%
rename from fromlog.js
rename to plugins/fromlog/index.js
index 12ad5da..385d7af 100644
--- a/fromlog.js
+++ b/plugins/fromlog/index.js
@@ -1,14 +1,24 @@
-var datadefinition = require("./fromlog.datadefinition" );
+var path = require('path');
+var datadefinition;
+var filepath;
+var counterpath;
 var data = {};
 var fs = require('fs'),
     bite_size = 4096,
-    save_interval_or_retry = 10000,
+    save_interval_or_retry,
     filereadbytes,
     tempdata = "",
     fd;
 
-function init(){
-	fs.readFile('fromlog.counter',function(err, content){
+function init(file,logic,idle){
+	delete require.cache[require.resolve('../../config/fromlog/datadefinitions/' + logic)];
+	datadefinition = require('../../config/fromlog/datadefinitions/' + logic);
+
+	save_interval_or_retry = idle;
+
+	filepath = path.resolve(__dirname, '../../config/fromlog/logs/' + file);
+
+	fs.readFile(filepath,function(err, content){
 		if (err){
 			filereadbytes = 0;
 		}else{
@@ -20,7 +30,8 @@ function init(){
 		var oldfilereadbytes = filereadbytes;
 		setInterval(function(){
 			if (filereadbytes != oldfilereadbytes){
-				fs.writeFile("fromlog.counter", filereadbytes.toString(),function(err){});
+				counterpath = path.resolve(__dirname, '../../program-data/fromlog/counters/' + file);
+				fs.writeFile(counterpath, filereadbytes.toString(),function(err){});
 				oldfilereadbytes = filereadbytes;
 			}
 		}, save_interval_or_retry);
@@ -30,7 +41,7 @@ function init(){
 
 
 function openandreadsome(){
-	fs.open('fromlog.file', 'r',function(err, file){
+	fs.open(filepath, 'r',function(err, file){
 		if (err){
 			return setTimeout(openandreadsome, save_interval_or_retry);
 		}
@@ -84,8 +95,8 @@ function processsome(actualbytesread, buff) {
 
 
 module.exports = {
-  init: function () {
-    init();
+  init: function (file,logic,idle) {
+    init(file,logic,idle);
     data= datadefinition.init(data);
   },
   data: function () {