# * version conflict when POIs and ways are reverted
class AmfController < ApplicationController
- require 'stringio'
-
include Potlatch
- # Help methods for checking boundary sanity and area size
- include MapBoundary
-
+ skip_before_filter :verify_authenticity_token
before_filter :check_api_writable
# Main AMF handlers: process the raw AMF string (using AMF library) and
# calls each action (private method) accordingly.
- # ** FIXME: refactor to reduce duplication of code across read/write
def amf_read
if request.post?
- req=StringIO.new(request.raw_post+0.chr)# Get POST data as request
- # (cf http://www.ruby-forum.com/topic/122163)
- req.read(2) # Skip version indicator and client ID
-
- # Parse request
-
- headers=AMF.getint(req) # Read number of headers
- headers.times do # Read each header
- name=AMF.getstring(req) # |
- req.getc # | skip boolean
- value=AMF.getvalue(req) # |
- header["name"]=value # |
- end
-
- bodies=AMF.getint(req) # Read number of bodies
-
self.status = :ok
self.content_type = Mime::AMF
- self.response_body = proc { |response, output|
- a,b=bodies.divmod(256)
- output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
- bodies.times do # Read each body
- message=AMF.getstring(req) # | get message name
- index=AMF.getstring(req) # | get index in response sequence
- bytes=AMF.getlong(req) # | get total size in bytes
- args=AMF.getvalue(req) # | get response (probably an array)
- result=''
- logger.info("Executing AMF #{message}(#{args.join(',')}):#{index}")
-
- case message
- when 'getpresets'; result=AMF.putdata(index,getpresets(*args))
- when 'whichways'; result=AMF.putdata(index,whichways(*args))
- when 'whichways_deleted'; result=AMF.putdata(index,whichways_deleted(*args))
- when 'getway'; result=AMF.putdata(index,getway(args[0].to_i))
- when 'getrelation'; result=AMF.putdata(index,getrelation(args[0].to_i))
- when 'getway_old'; result=AMF.putdata(index,getway_old(args[0].to_i,args[1]))
- when 'getway_history'; result=AMF.putdata(index,getway_history(args[0].to_i))
- when 'getnode_history'; result=AMF.putdata(index,getnode_history(args[0].to_i))
- when 'findgpx'; result=AMF.putdata(index,findgpx(*args))
- when 'findrelations'; result=AMF.putdata(index,findrelations(*args))
- when 'getpoi'; result=AMF.putdata(index,getpoi(*args))
- end
- output.write(result)
+ self.response_body = Dispatcher.new(request.raw_post) do |message,*args|
+ logger.info("Executing AMF #{message}(#{args.join(',')})")
+
+ case message
+ when 'getpresets'; result = getpresets(*args)
+ when 'whichways'; result = whichways(*args)
+ when 'whichways_deleted'; result = whichways_deleted(*args)
+ when 'getway'; result = getway(args[0].to_i)
+ when 'getrelation'; result = getrelation(args[0].to_i)
+ when 'getway_old'; result = getway_old(args[0].to_i,args[1])
+ when 'getway_history'; result = getway_history(args[0].to_i)
+ when 'getnode_history'; result = getnode_history(args[0].to_i)
+ when 'findgpx'; result = findgpx(*args)
+ when 'findrelations'; result = findrelations(*args)
+ when 'getpoi'; result = getpoi(*args)
end
- }
+
+ result
+ end
else
render :nothing => true, :status => :method_not_allowed
end
def amf_write
if request.post?
- req=StringIO.new(request.raw_post+0.chr)
- req.read(2)
- renumberednodes={} # Shared across repeated putways
- renumberedways={} # Shared across repeated putways
-
- headers=AMF.getint(req) # Read number of headers
- headers.times do # Read each header
- name=AMF.getstring(req) # |
- req.getc # | skip boolean
- value=AMF.getvalue(req) # |
- header["name"]=value # |
- end
-
- bodies=AMF.getint(req) # Read number of bodies
+ renumberednodes = {} # Shared across repeated putways
+ renumberedways = {} # Shared across repeated putways
+ err = false # Abort batch on error
self.status = :ok
self.content_type = Mime::AMF
- self.response_body = proc { |response, output|
- a,b=bodies.divmod(256)
- output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
- bodies.times do # Read each body
- message=AMF.getstring(req) # | get message name
- index=AMF.getstring(req) # | get index in response sequence
- bytes=AMF.getlong(req) # | get total size in bytes
- args=AMF.getvalue(req) # | get response (probably an array)
- err=false # Abort batch on error
-
- logger.info("Executing AMF #{message}:#{index}")
- result=''
- if err
- result=[-5,nil]
- else
- case message
- when 'putway'; orn=renumberednodes.dup
- r=putway(renumberednodes,*args)
- r[4]=renumberednodes.reject { |k,v| orn.has_key?(k) }
- if r[0]==0 and r[2] != r[3] then renumberedways[r[2]] = r[3] end
- result=AMF.putdata(index,r)
- when 'putrelation'; result=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
- when 'deleteway'; result=AMF.putdata(index,deleteway(*args))
- when 'putpoi'; r=putpoi(*args)
- if r[0]==0 and r[2] != r[3] then renumberednodes[r[2]] = r[3] end
- result=AMF.putdata(index,r)
- when 'startchangeset'; result=AMF.putdata(index,startchangeset(*args))
- end
- if result[0]==-3 then err=true end # If a conflict is detected, don't execute any more writes
+ self.response_body = Dispatcher.new(request.raw_post) do |message,*args|
+ logger.info("Executing AMF #{message}")
+
+ if err
+ result = [-5, nil]
+ else
+ case message
+ when 'putway'; orn = renumberednodes.dup
+ result = putway(renumberednodes, *args)
+ result[4] = renumberednodes.reject { |k,v| orn.has_key?(k) }
+ if result[0] == 0 and result[2] != result[3] then renumberedways[result[2]] = result[3] end
+ when 'putrelation'; result = putrelation(renumberednodes, renumberedways, *args)
+ when 'deleteway'; result = deleteway(*args)
+ when 'putpoi'; result = putpoi(*args)
+ if result[0] == 0 and result[2] != result[3] then renumberednodes[result[2]] = result[3] end
+ when 'startchangeset'; result = startchangeset(*args)
end
- output.write(result)
+
+ err = true if result[0] == -3 # If a conflict is detected, don't execute any more writes
end
- }
+
+ result
+ end
else
render :nothing => true, :status => :method_not_allowed
end
# check boundary is sane and area within defined
# see /config/application.yml
- check_boundaries(xmin, ymin, xmax, ymax)
+ bbox = BoundingBox.new(xmin, ymin, xmax, ymax)
+ bbox.check_boundaries
+ bbox.check_size
if POTLATCH_USE_SQL then
- ways = sql_find_ways_in_area(xmin, ymin, xmax, ymax)
- points = sql_find_pois_in_area(xmin, ymin, xmax, ymax)
- relations = sql_find_relations_in_area_and_ways(xmin, ymin, xmax, ymax, ways.collect {|x| x[0]})
+ ways = sql_find_ways_in_area(bbox)
+ points = sql_find_pois_in_area(bbox)
+ relations = sql_find_relations_in_area_and_ways(bbox, ways.collect {|x| x[0]})
else
# find the way ids in an area
- nodes_in_area = Node.bbox(ymin, xmin, ymax, xmax).visible.includes(:ways)
+ nodes_in_area = Node.bbox(bbox).visible.includes(:ways)
ways = nodes_in_area.inject([]) { |sum, node|
visible_ways = node.ways.select { |w| w.visible? }
sum + visible_ways.collect { |w| [w.id,w.version] }
# check boundary is sane and area within defined
# see /config/application.yml
- check_boundaries(xmin, ymin, xmax, ymax)
+ bbox = BoundingBox.new(xmin, ymin, xmax, ymax)
+ bbox.check_boundaries
+ bbox.check_size
- nodes_in_area = Node.bbox(ymin, xmin, ymax, xmax).joins(:ways_via_history).where(:current_ways => { :visible => false })
+ nodes_in_area = Node.bbox(bbox).joins(:ways_via_history).where(:current_ways => { :visible => false })
way_ids = nodes_in_area.collect { |node| node.ways_via_history.invisible.collect { |way| way.id } }.flatten.uniq
[0,'',way_ids]
# ====================================================================
# Alternative SQL queries for getway/whichways
- def sql_find_ways_in_area(xmin,ymin,xmax,ymax)
+ def sql_find_ways_in_area(bbox)
sql=<<-EOF
SELECT DISTINCT current_ways.id AS wayid,current_ways.version AS version
FROM current_way_nodes
INNER JOIN current_ways ON current_ways.id =current_way_nodes.id
WHERE current_nodes.visible=TRUE
AND current_ways.visible=TRUE
- AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")}
+ AND #{OSM.sql_for_area(bbox, "current_nodes.")}
EOF
return ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['wayid'].to_i,a['version'].to_i] }
end
- def sql_find_pois_in_area(xmin,ymin,xmax,ymax)
+ def sql_find_pois_in_area(bbox)
pois=[]
sql=<<-EOF
SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lon,current_nodes.version
LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id
WHERE current_nodes.visible=TRUE
AND cwn.id IS NULL
- AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")}
+ AND #{OSM.sql_for_area(bbox, "current_nodes.")}
EOF
ActiveRecord::Base.connection.select_all(sql).each do |row|
poitags={}
pois
end
- def sql_find_relations_in_area_and_ways(xmin,ymin,xmax,ymax,way_ids)
+ def sql_find_relations_in_area_and_ways(bbox,way_ids)
# ** It would be more Potlatchy to get relations for nodes within ways
# during 'getway', not here
sql=<<-EOF
FROM current_relations cr
INNER JOIN current_relation_members crm ON crm.id=cr.id
INNER JOIN current_nodes cn ON crm.member_id=cn.id AND crm.member_type='Node'
- WHERE #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "cn.")}
+ WHERE #{OSM.sql_for_area(bbox, "cn.")}
EOF
unless way_ids.empty?
sql+=<<-EOF
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