From 30fb6b81a2eb73f78fb621079a2e4332fd53a31f Mon Sep 17 00:00:00 2001
From: Mark Engel <mark.c.engel@gmail.com>
Date: Sun, 23 Jan 2011 13:03:37 +0100
Subject: config is now a real json file update your custom configs!

---
 src/nodejs/config.json     | 11 +++++----
 src/nodejs/main.js         | 56 +++++++++++++++++++++++++---------------------
 src/nodejs/xmlGenerator.js |  4 +---
 3 files changed, 39 insertions(+), 32 deletions(-)

diff --git a/src/nodejs/config.json b/src/nodejs/config.json
index be796a7..92b4484 100644
--- a/src/nodejs/config.json
+++ b/src/nodejs/config.json
@@ -1,4 +1,7 @@
-exports.connectionString = "pg://user:password@host/database";
-exports.host = 'localhost';
-exports.port = 8080;
-exports.logLevel = 'ERROR';
+{
+    "connectionString": "pg://user:password@host/database",
+    "host":  "localhost",
+    "port": 8080,
+    "logLevel": "ERROR"
+}
+
diff --git a/src/nodejs/main.js b/src/nodejs/main.js
index cedec00..f1197ea 100644
--- a/src/nodejs/main.js
+++ b/src/nodejs/main.js
@@ -1,16 +1,13 @@
 var clutch = require('clutch');
 var http = require('http');
+var fs = require('fs');
 var pg = require('pg');
 var xmlGenerator = require('./xmlGenerator.js');
 var opts = require('opts');
-var config = require('./config.json');
 var osmRes = require('./response');
 var log4js = require('log4js')(); 
 var log = log4js.getLogger('global');
-
-
-
-
+var config;
 
 // #################### MAY be put to different module later
 
@@ -43,7 +40,7 @@ function rowToNode(row){
         'version': row.version,
         'changeset': row.changeset_id,
         'lat' : row.lat,
-        'lon' : row.lon,
+        'lon' : row.lon
     };
 
     if(row.tags != '{}') {
@@ -83,25 +80,14 @@ function rowToWay(row){
 
 // #################### MAY be put to different module later
 
-function loadCustomConfig(path) {
-        log.info("reading custom config: " + path);
-        if( path[0] != '/'){
-            path = __dirname + '/' + path;
-        }
-        log.info(path);
-        config = require(path);
-}
-
 var options = [
-      { short       : 'c' ,
-        long        : 'config' ,
-        description : 'Select configuration file' ,
-        value       : true ,
-        callback    : function(value) { loadCustomConfig(value); }
+      { short       : 'c',
+        long        : 'config',
+        description : 'Select configuration file',
+        value       : true
       }
 ];
 
-
 function createWayBboxQuery(key, value, left, bottom, right, top) {
     return {
         text: 'SELECT id,tstamp,version,changeset_id,nodes,user_id,hstore_to_array(tags) as tags ' +
@@ -254,8 +240,28 @@ myRoutes = clutch.route404([
     //['GET /api/relation\\[(\\w+)=(\\w+)\\](\\[bbox=(\\d),(\\d),(\\d),(\\d)\\])$',relationBboxHandler],
 ]);
 
-log.setLevel(config.logLevel);
-log.info("server starting...");
+function getConfig(configPath, callback) {
+    if( configPath[0] != '/'){
+            configPath = __dirname + '/' + configPath;
+    }
+    fs.readFile(configPath, function(err, data) {
+        if (err) {
+            throw err;
+        }
+        callback(JSON.parse(data));
+    });
+}
+
+function init(newConfig) {
+    config = newConfig;
+    log.setLevel(config.logLevel);
+    log.info("server starting...");
+    log.info("loaded config from " + configPath);
+    http.createServer(myRoutes).listen(config.port, config.host);
+    log.info("Started server at " + config.host + ":" + config.port );   
+}
+
 opts.parse(options, true);
-http.createServer(myRoutes).listen(config.port, config.host);
-log.info("Started server at " + config.host + ":" + config.port );
+configPath = opts.get('config') || "config.json";
+console.log("loading config " + configPath);
+config = getConfig(configPath, init);
diff --git a/src/nodejs/xmlGenerator.js b/src/nodejs/xmlGenerator.js
index 5846717..258cb18 100644
--- a/src/nodejs/xmlGenerator.js
+++ b/src/nodejs/xmlGenerator.js
@@ -1,12 +1,10 @@
-var config = require('./config.json');
-
 var builder = require('xmlbuilder');
 //set up logger
 var log4js = require('log4js')(); //note the need to call the function
 //log4js.addAppender(log4js.fileAppender('osm-xapi.log'), 'cheese');
 
 var log = log4js.getLogger('xmlGenerator');
-log.setLevel(config.logLevel);
+// TODO how to get log level from main's config?
 
 exports.createNode = function (node) {
     log.debug(node);
-- 
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