version check: from 0.3.2 on, client checks for a min server version, instead of...

diff --git a/cloudeebus/cloudeebus.js b/cloudeebus/cloudeebus.js
index 9c1e3ab..deb02ce 100644 (file)
--- a/cloudeebus/cloudeebus.js
+++ b/cloudeebus/cloudeebus.js
@@ -28,7 +28,10 @@ var dbus = { // hook object for dbus types not translated by python-json
 
 /*****************************************************************************/
 
-var cloudeebus = window.cloudeebus = {version: "0.3.2"};
+var cloudeebus = window.cloudeebus = {
+               version: "0.3.2",
+               minVersion: "0.3.2"
+};
 
 cloudeebus.reset = function() {
        cloudeebus.sessionBus = null;
@@ -42,17 +45,30 @@ cloudeebus.log = function(msg) {
 };
 
 
+cloudeebus.versionCheck = function(version) {
+       var ver = version.split(".");
+       var min = cloudeebus.minVersion.split(".");
+       for (var i=0; i<ver.length; i++) {
+               if (Number(ver[i]) > Number(min[i]))
+                       return true;
+               if (Number(ver[i]) < Number(min[i]))
+                       return false;
+       }
+       return true;
+};
+
+
 cloudeebus.connect = function(uri, manifest, successCB, errorCB) {
        cloudeebus.reset();
        cloudeebus.uri = uri;
        
        function onCloudeebusVersionCheckCB(version) {
-               if (cloudeebus.version == version) {
+               if (cloudeebus.versionCheck(version)) {
                        cloudeebus.log("Connected to " + cloudeebus.uri);
                        if (successCB)
                                successCB();
                } else {
-                       var errorMsg = "Cloudeebus server version " + version + " and client version " + cloudeebus.version + " mismatch";
+                       var errorMsg = "Cloudeebus server version " + version + " unsupported, need version " + cloudeebus.minVersion + " or superior";
                        cloudeebus.log(errorMsg);
                        if (errorCB)
                                errorCB(errorMsg);