2011-03-09 Sancho Lerena <slerena@artica.es>

* conf/pandora_server.conf
        lib/PandoraFMS/Config.pm
        lib/PandoraFMS/DataServer.pm: Added support for Openstreetmaps
        API for reverse geolocation. 




git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@4073 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f

pandora_server/ChangeLog

@@ -1,3 +1,10 @@
+2011-03-09  Sancho Lerena <slerena@artica.es>
+
+	* conf/pandora_server.conf
+	lib/PandoraFMS/Config.pm
+	lib/PandoraFMS/DataServer.pm: Added support for Openstreetmaps API for
+	reverse geolocation. 
+
 2011-02-28  Ramon Novoa  <rnovoa@artica.es>
 
 	* lib/PandoraFMS/DataServer.pm: Fixed a typo. Thanks to Kikuchi Koichiro.

pandora_server/conf/pandora_server.conf

@@ -225,7 +225,7 @@ max_log_size 65536
 # When server have more than max_queue_files in incoming directory, skips the read   
 # the directory to avoid filesystem overhead.
 
-max_queue_files 250
+max_queue_files 500
 
 # Use the XML file last modification time as timestamp.
 # use_xml_timestamp 1
@@ -277,6 +277,13 @@ max_queue_files 250
 # This enable realtime reverse geocoding using Google Maps public api.
 # This requires internet access, and could have performance penalties processing GIS
 # information due the connetion needed to resolve all GIS input.
-#
+# NOTE: If you dont pay the service to google, they will ban your IP in a few days.
+
 # google_maps_description 1
 
+# This enable realtime reverse geocoding using Openstreet Maps public api.
+# This requires internet access, and could have performance penalties processing GIS
+# information due the connetion needed to resolve all GIS input.
+# You can alter the code to use a local (your own) openstreet maps server.
+
+# openstreetmaps_description 1

pandora_server/lib/PandoraFMS/Config.pm

@@ -232,8 +232,9 @@ sub pandora_load_config {
 	$pa_config->{"recon_location_scatter_radius"} = 50; # 3.1
 	$pa_config->{"update_parent"} = 0; # 3.1
 	$pa_config->{"google_maps_description"} = 0;
+	$pa_config->{'openstreetmaps_description'} = 0;
 
-	$pa_config->{"max_queue_files"} = 250; 
+	$pa_config->{"max_queue_files"} = 500; 
 
 	# Internal MTA for alerts, each server need its own config.
 	$pa_config->{"mta_address"} = '127.0.0.1'; # Introduced on 2.0
@@ -551,6 +552,9 @@ sub pandora_load_config {
 	        elsif ($parametro =~ m/^google_maps_description\s+([0-1])/i) {
 			$pa_config->{'google_maps_description'} = clean_blank($1);
 	        }
+		elsif ($parametro =~ m/^openstreetmaps_description\s+([0-1])/i) {
+                        $pa_config->{'openstreetmaps_description'} = clean_blank($1);
+                }
 		elsif ($parametro =~ m/^activate_gis\s+([0-1])/i) {
 			$pa_config->{'activate_gis'} = clean_blank($1);
 		}

pandora_server/lib/PandoraFMS/DataServer.pm

@@ -231,16 +231,30 @@ sub process_xml_data ($$$$$) {
 			$valid_position_data = 0;
                 }
 
-                if (!defined($position_description) ) { #FIXME: Validate the data with a regexp
+		if ((!defined($position_description)) && ($latitude != '')) { #FIXME: Validate the data with a regexp
 
                         # This code gets description (Reverse Geocoding) from a current GPS coordinates using Google maps API
                         # This requires a connection to internet and could be very slow and have a huge impact in performance.
-                        # Other methods for reverse geocoding will be supplied in the future (openstreetmaps in a local server)
+                        # Other methods for reverse geocoding are OpenStreetmaps, in nternet or in a local server
 
                         if ($pa_config->{'google_maps_description'}){
                                 my $content = get ('http://maps.google.com/maps/geo?q='.$latitude.','.$longitude.'&output=csv&sensor=false');
                                 my @address = split (/\"/,$content);
                                 $position_description = $address[1];
+			}
+			elsif ($pa_config->{'openstreetmaps_description'}){
+                                # Sample Query: http://nominatim.openstreetmap.org/reverse?format=csv&lat=40.43197&lon=-3.6993818&zoom=18&addressdetails=1&email=info@pandorafms.org
+                                # Email address is sent by courtesy to OpenStreetmaps people. 
+				# I read the API :-), thanks guys for your work.
+                                # Change here URL to make request to a local openstreetmap server
+                                my $content = get ('http://nominatim.openstreetmap.org/reverse?format=csv&lat='.$latitude.'&lon='.$longitude.'&zoom=18&addressdetails=1&email=info@pandorafms.org');
+
+				# Yep, I need to parse the XML output.
+
+				my $xs1 = XML::Simple->new();
+				my $doc = $xs1->XMLin($content);
+				$position_description = safe_input ($doc->{result}{content});
+
                         } else {
                                 $position_description = ''; # Default value
                         }
@@ -248,6 +262,7 @@ sub process_xml_data ($$$$$) {
 
 		logger($pa_config, "Getting GIS Data=timezone_offset=$timezone_offset longitude=$longitude latitude=$latitude altitude=$altitude position_description=$position_description", 8);
 	}
+
 	# Unknown agent!
 	if (! defined ($agent_name) || $agent_name eq '') {
 		logger($pa_config, "$file_name has data from an unnamed agent", 3);