packet.rb in mqtt-0.4.0

- old
+ new

@@ -366,11 +366,11 @@
         if @topic.nil? or @topic.to_s.empty?
           raise "Invalid topic name when serialising packet"
         end
         body += encode_string(@topic)
         body += encode_short(@id) unless qos == 0
-        body += payload.to_s.force_encoding('ASCII-8BIT')
+        body += payload.to_s.dup.force_encoding('ASCII-8BIT')
         return body
       end
 
       # Parse the body (variable header and payload) of a Publish packet
       def parse_body(buffer)
@@ -778,13 +778,13 @@
         super(ATTR_DEFAULTS.merge(args))
       end
 
       # Set one or more topic filters for the Subscribe packet
       # The topics parameter should be one of the following:
-      # * String: subscribe to one topic with QOS 0
-      # * Array: subscribe to multiple topics with QOS 0
-      # * Hash: subscribe to multiple topics where the key is the topic and the value is the QOS level
+      # * String: subscribe to one topic with QoS 0
+      # * Array: subscribe to multiple topics with QoS 0
+      # * Hash: subscribe to multiple topics where the key is the topic and the value is the QoS level
       #
       # For example:
       #   packet.topics = 'a/b'
       #   packet.topics = ['a/b', 'c/d']
       #   packet.topics = [['a/b',0], ['c/d',1]]
@@ -875,11 +875,11 @@
       # Create a new Subscribe Acknowledgment packet
       def initialize(args={})
         super(ATTR_DEFAULTS.merge(args))
       end
 
-      # Set the granted QOS value for each of the topics that were subscribed to
+      # Set the granted QoS value for each of the topics that were subscribed to
       # Can either be an integer or an array or integers.
       def return_codes=(value)
         if value.is_a?(Array)
           @return_codes = value
         elsif value.is_a?(Integer)
@@ -890,10 +890,10 @@
       end
 
       # Get serialisation of packet's body
       def encode_body
         if @return_codes.empty?
-          raise "no granted QOS given when serialising packet"
+          raise "no granted QoS given when serialising packet"
         end
         body = encode_short(@id)
         return_codes.each { |qos| body += encode_bytes(qos) }
         return body
       end