From 99073c56f03ff3978e6106c9760ec389ef6c3745 Mon Sep 17 00:00:00 2001
From: Patrick J Cherry <patrick@bytemark.co.uk>
Date: Fri, 20 Apr 2012 14:48:09 +0100
Subject: Added configuration options to disable the notification/packet
 buffers.

---
 lib/mauve/processor.rb | 82 ++++++++++++++++++++++++--------------------------
 1 file changed, 40 insertions(+), 42 deletions(-)

(limited to 'lib/mauve/processor.rb')

diff --git a/lib/mauve/processor.rb b/lib/mauve/processor.rb
index 9896530..0ac7b59 100644
--- a/lib/mauve/processor.rb
+++ b/lib/mauve/processor.rb
@@ -78,6 +78,44 @@ module Mauve
       #
       do_processor
     end
+    
+    # This processes an incoming packet.  It is in a seperate method so it can
+    # be (de)coupled as needed from the UDP server.
+    #
+    def process_packet(data, client, received_at)
+      #
+      # Uh-oh.  Nil data?  That's craaaazy
+      #
+      return nil if data.nil?
+
+      ip_source = "#{client[3]}"
+      update = Proto::AlertUpdate.new
+
+      update.parse_from_string(data)
+
+      if @transmission_id_cache[update.transmission_id.to_s]
+        logger.debug("Ignoring duplicate transmission id #{update.transmission_id}")
+        return nil
+      end
+
+      logger.debug "Update #{update.transmission_id} sent at #{update.transmission_time} received at #{received_at.to_i} from "+
+        "'#{update.source}'@#{ip_source} alerts #{update.alert.length}"
+
+      Alert.receive_update(update, received_at, ip_source)
+
+    rescue Protobuf::InvalidWireType,
+           NotImplementedError,
+           DataObjects::IntegrityError => ex
+
+      logger.error "#{ex} (#{ex.class}) while parsing #{data.length} bytes "+
+        "starting '#{data[0..15].inspect}' from #{ip_source}"
+
+      logger.debug ex.backtrace.join("\n")
+
+    ensure
+      @transmission_id_cache[update.transmission_id.to_s] = Time.now
+    end
+
 
     private
 
@@ -157,52 +195,12 @@ module Mauve
       sz = Server.packet_buffer_size
 
       sz.times do
-        data, client, received_at = Server.packet_pop
-
-        #
-        # Uh-oh.  Nil data?  That's craaaazy
-        #
-        next if data.nil?
-        
-
-        # logger.debug("Got #{data.inspect} from #{client.inspect}")
-
-        ip_source = "#{client[3]}"
-        update = Proto::AlertUpdate.new
-
-        begin
-          update.parse_from_string(data)
-  
-          if @transmission_id_cache[update.transmission_id.to_s]
-            logger.debug("Ignoring duplicate transmission id #{update.transmission_id}")
-            #
-            # Continue with next packet.
-            #
-            next
-          end
-
-          logger.debug "Update #{update.transmission_id} sent at #{update.transmission_time} received at #{received_at.to_i} from "+
-            "'#{update.source}'@#{ip_source} alerts #{update.alert.length}"
-
-          Alert.receive_update(update, received_at, ip_source)
-
-        rescue Protobuf::InvalidWireType, 
-               NotImplementedError, 
-               DataObjects::IntegrityError => ex
-
-          logger.error "#{ex} (#{ex.class}) while parsing #{data.length} bytes "+
-            "starting '#{data[0..15].inspect}' from #{ip_source}"
-
-          logger.debug ex.backtrace.join("\n")
-
-        ensure
-          @transmission_id_cache[update.transmission_id.to_s] = Time.now
-        end
+        process_packet(*Server.packet_pop)
       end
     end
 
     def timer_should_stop?
-      (Server.packet_buffer_size > 0)
+      (Server.packet_buffer_size > 0) or self.should_stop?
     end
 
   end   
-- 
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