decreased sync timeout

lib/Connectors/PeerJsConnector.coffee

@@ -44,10 +44,10 @@ createPeerJsConnector = ()->
         @addConnection conn
 
       sync_every_collaborator = ()=>
-          for conn_id, conn of @connections
-            conn.send
-              sync_state_vector: @HB.getOperationCounter()
-      setInterval sync_every_collaborator, 8000
+        for conn_id, conn of @connections
+          conn.send
+            sync_state_vector: @HB.getOperationCounter()
+      setInterval sync_every_collaborator, 4000
 
       send_ = (o)=>
         if o.uid.creator is @HB.getUserId() and (typeof o.uid.op_number isnt "string")
@@ -122,7 +122,7 @@ createPeerJsConnector = ()->
               initialized: false
             initialized_him = true
         else
-          throw new Error "Can't parse this operation"
+          throw new Error "Can't parse this operation #{data}"
 
       sendStateVector = ()=>
         conn.send

lib/HistoryBuffer.coffee

@@ -20,7 +20,7 @@ class HistoryBuffer
     @garbage = [] # Will be cleaned on next call of garbageCollector
     @trash = [] # Is deleted. Wait until it is not used anymore.
     @performGarbageCollection = true
-    @garbageCollectTimeout = 8000
+    @garbageCollectTimeout = 1000
     @reserved_identifier_counter = 0
     setTimeout @emptyGarbage, @garbageCollectTimeout
 
@@ -96,6 +96,7 @@ class HistoryBuffer
       not state_vector[user]? or state_vector[user] <= o_number
 
     for u_name,user of @buffer
+      # TODO next, if @state_vector[user] <= state_vector[user]
       for o_number,o of user
         if o.doSync and unknown(u_name, o_number)
           # its necessary to send it, and not known in state_vector