use render proc to write out results, see if that makes things faster

[rails.git] / app / controllers / amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 7f938af49e44ef51aea3dbe55215d39bb524d9ed..72f1dd74eb9bed75047aa2beacdf6c2cb90baaaf 100644 (file)
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -33,25 +33,31 @@ class AmfController < ApplicationController
       bytes=getlong(req)                               #  | get total size in bytes
       args=getvalue(req)                               #  | get response (probably an array)
 
+      RAILS_DEFAULT_LOGGER.info("  Message: #{message}")
+
       case message
-      when 'getpresets';       results[index]=putdata(index,getpresets)
-      when 'whichways';                results[index]=putdata(index,whichways(args))
-      when 'getway';           results[index]=putdata(index,getway(args))
-      when 'putway';           results[index]=putdata(index,putway(args))
-      when 'deleteway';                results[index]=putdata(index,deleteway(args))
+                 when 'getpresets';    results[index]=putdata(index,getpresets)
+                 when 'whichways';             results[index]=putdata(index,whichways(args))
+                 when 'getway';                results[index]=putdata(index,getway(args))
+                 when 'putway';                results[index]=putdata(index,putway(args))
+                 when 'deleteway';             results[index]=putdata(index,deleteway(args))
       end
     end
 
     # ------------------
     # Write out response
 
+    RAILS_DEFAULT_LOGGER.info("  Response: start")
     response.headers["Content-Type"]="application/x-amf"
     a,b=results.length.divmod(256)
-    ans=0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
-    results.each do |k,v|
-      ans+=v
-    end
-    render :text => ans
+       render :text => proc { |response, output| 
+        output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
+               results.each do |k,v|
+                 RAILS_DEFAULT_LOGGER.info("  Response: encode #{k}")
+                 output.write(v)
+               end
+       }
+    RAILS_DEFAULT_LOGGER.info("  Response: end")
 
   end
 
@@ -70,6 +76,8 @@ class AmfController < ApplicationController
     presettype=''
     presetcategory=''
 
+    RAILS_DEFAULT_LOGGER.info("  Message: getpresets")
+
     #          File.open("config/potlatch/presets.txt") do |file|
 
     # Temporary patch to get around filepath problem
@@ -168,6 +176,13 @@ EOF
   #            corner-crossing ways, it simply enlarges the bounding box by +/- 0.01
 
   def whichways(args)
+    xmin = args[0].to_f-0.01
+    ymin = args[1].to_f-0.01
+    xmax = args[2].to_f+0.01
+    ymax = args[3].to_f+0.01
+
+    RAILS_DEFAULT_LOGGER.info("  Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}")
+
     waylist=WaySegment.find_by_sql("SELECT DISTINCT current_way_segments.id AS wayid"+
        "  FROM current_way_segments,current_segments,current_nodes,current_ways "+
        " WHERE segment_id=current_segments.id "+
@@ -175,8 +190,8 @@ EOF
        "   AND node_a=current_nodes.id "+
           "   AND current_ways.id=current_way_segments.id "+
           "   AND current_ways.visible=1 "+
-       "   AND (latitude  BETWEEN "+(args[1].to_f-0.01).to_s+" AND "+(args[3].to_f+0.01).to_s+") "+
-       "   AND (longitude BETWEEN "+(args[0].to_f-0.01).to_s+" AND "+(args[2].to_f+0.01).to_s+")")
+       "   AND (latitude  BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+
+       "   AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+")")
 
        ways = waylist.collect {|a| a.wayid.to_i } # get an array of way id's
 
@@ -184,8 +199,8 @@ EOF
        "  FROM current_nodes "+
        "  LEFT OUTER JOIN current_segments cs1 ON cs1.node_a=current_nodes.id "+
        "  LEFT OUTER JOIN current_segments cs2 ON cs2.node_b=current_nodes.id "+
-       " WHERE (latitude  BETWEEN "+(args[1].to_f-0.01).to_s+" AND "+(args[3].to_f+0.01).to_s+") "+
-       "   AND (longitude BETWEEN "+(args[0].to_f-0.01).to_s+" AND "+(args[2].to_f-0.01).to_s+") "+
+       " WHERE (latitude  BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+
+       "   AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+") "+
        "   AND cs1.id IS NULL AND cs2.id IS NULL "+
        "   AND current_nodes.visible=1")
 
@@ -206,6 +221,8 @@ EOF
     xmin = ymin = 999999
     xmax = ymax = -999999
 
+    RAILS_DEFAULT_LOGGER.info("  Message: getway, id=#{wayid}")
+
     readwayquery(wayid).each {|row|
       xs1=long2coord(row['long1'].to_f,baselong,masterscale); ys1=lat2coord(row['lat1'].to_f,basey,masterscale)
       xs2=long2coord(row['long2'].to_f,baselong,masterscale); ys2=lat2coord(row['lat2'].to_f,basey,masterscale)
@@ -240,6 +257,8 @@ EOF
     ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
     originalway=originalway.to_i
 
+    RAILS_DEFAULT_LOGGER.info("  Message: putway, id=#{originalway}")
+
     # -- 3.    read original way into memory
 
     xc={}; yc={}; tagc={}; seg={}
@@ -389,7 +408,7 @@ EOF
       if v[0,6]=='(type ' then next end
       if insertsql !='' then insertsql +=',' end
       if currentsql!='' then currentsql+=',' end
-      insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',version)"
+      insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',#{version})"
       currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')"
     end
 
@@ -405,6 +424,9 @@ EOF
 
   def deleteway(args)
     usertoken,way=args
+
+    RAILS_DEFAULT_LOGGER.info("  Message: deleteway, id=#{way}")
+
     uid=getuserid(usertoken); if !uid then return end
        way=way.to_i