X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=data%2Frbot%2Fplugins%2Fmarkov.rb;h=21c4d63172996f6dde039132941a13f6ab97a03e;hb=052217de30c59206d7025b582d4604557a747470;hp=0475ab4df41a0ac78caf25202a84ce292a5455cc;hpb=8cc5ed2d63fe1de830009586b0102fc02f07ebfb;p=user%2Fhenk%2Fcode%2Fruby%2Frbot.git

diff --git a/data/rbot/plugins/markov.rb b/data/rbot/plugins/markov.rb
index 0475ab4d..21c4d631 100755
--- a/data/rbot/plugins/markov.rb
+++ b/data/rbot/plugins/markov.rb
@@ -226,6 +226,8 @@ class MarkovPlugin < Plugin
     @chains.set_default([])
     @rchains = @registry.sub_registry('v2r')
     @rchains.set_default([])
+    @chains_mutex = Mutex.new
+    @rchains_mutex = Mutex.new
 
     @upgrade_queue = Queue.new
     @upgrade_thread = nil
@@ -611,27 +613,31 @@ class MarkovPlugin < Plugin
   def learn_triplet(word1, word2, word3)
       k = "#{word1} #{word2}"
       rk = "#{word2} #{word3}"
-      total = 0
-      hash = Hash.new(0)
-      if @chains.key? k
-        t2, h2 = @chains[k]
-        total += t2
-        hash.update h2
+      @chains_mutex.synchronize do
+        total = 0
+        hash = Hash.new(0)
+        if @chains.key? k
+          t2, h2 = @chains[k]
+          total += t2
+          hash.update h2
+        end
+        hash[word3] += 1
+        total += 1
+        @chains[k] = [total, hash]
       end
-      hash[word3] += 1
-      total += 1
-      @chains[k] = [total, hash]
-      # Reverse
-      total = 0
-      hash = Hash.new(0)
-      if @rchains.key? rk
-        t2, h2 = @rchains[rk]
-        total += t2
-        hash.update h2
+      @rchains_mutex.synchronize do
+        # Reverse
+        total = 0
+        hash = Hash.new(0)
+        if @rchains.key? rk
+          t2, h2 = @rchains[rk]
+          total += t2
+          hash.update h2
+        end
+        hash[word1] += 1
+        total += 1
+        @rchains[rk] = [total, hash]
       end
-      hash[word1] += 1
-      total += 1
-      @rchains[rk] = [total, hash]
   end