remove leftover debug stuff, move update flag to settings, set update flag on...

remove leftover debug stuff, move update flag to settings, set update flag on unlock (and not write)

exec/load/json-db.js

@@ -60,6 +60,7 @@ function JSONdb (fileName) {
 		/* autosave interval */
 		AUTO_SAVE:30 /*seconds*/ *1000,
 		LAST_SAVE:-1,
+		UPDATES:false,
 		
 		/* error constants */
 		ERROR_INVALID_REQUEST:0,
@@ -153,8 +154,10 @@ function JSONdb (fileName) {
 			/* if the client has a lock on this record, release the lock */
 			if(client_lock) {
 				/* if this was a write lock, send an update to all record subscribers */
-				if(client_lock.type == this.settings.LOCK_WRITE)
+				if(client_lock.type == this.settings.LOCK_WRITE) {
+					this.settings.UPDATES=true;
 					send_updates(client,record);
+				}
 				delete record.shadow[record.child_name]._lock[client.id];
 				return true;
 			}
@@ -191,7 +194,6 @@ function JSONdb (fileName) {
 			/* populate this object's children with shadow objects */
 			composite_sketch(record.data[record.child_name],record.shadow[record.child_name]);
 			/* send data updates to all subscribers */
-			this.updates=true;
 			return true;
 		}
         /* if there is no lock for this client, error */
@@ -208,7 +210,6 @@ function JSONdb (fileName) {
 			delete record.data[record.child_name];
 			delete record.shadow[record.child_name];
 			/* send data updates to all subscribers */
-			this.updates=true;
 			return true;
 		}
         /* if there is no lock for this client, error */
@@ -305,11 +306,12 @@ function JSONdb (fileName) {
     this.save = function(timestamp) { 
 		if(!this.file)
 			return;
+		if(!this.settings.UPDATES)
+			return;
 		if(!timestamp) 
 			timestamp = Date.now();
 		/* if we are due for a data update, save everything to file */
-        if(timestamp - this.settings.LAST_SAVE >= this.settings.AUTO_SAVE 
-		&& this.updates) {
+        if(timestamp - this.settings.LAST_SAVE >= this.settings.AUTO_SAVE) {
 			//TODO: create n backups before overwriting data file
 			this.file.open("w");
 			// This function gets called every 30 seconds or so
@@ -318,6 +320,7 @@ function JSONdb (fileName) {
 			this.file.write(JSON.stringify(this.data));
 			this.file.close();
 			this.settings.LAST_SAVE=timestamp;
+			this.settings.UPDATES=false;
 		}
     };
     
@@ -368,8 +371,6 @@ function JSONdb (fileName) {
 				this,request.client,request.parent_name,request.child_name
 			);
 			
-			log("r: " + record.data.toSource());
-			
 			if(!record) {
 				log(LOG_DEBUG,"db: bad request removed from queue");
 				this.queue.splice(r--,1);