# Copyright:: (C) 2006 Ralph M. Churchill
require 'soap/wsdlDriver'
-require 'open-uri'
+# TODO why not use HttpUtil instead of open-uri?
+require 'open-uri'
require 'rexml/document'
require 'erb'
end
end
@forecast_cache = Hash.new
+ @cache_mutex = Mutex.new
end
def forecast(m,params)
end
def get_forecast(m,loc)
+ Thread.new {
begin
+ @cache_mutex.synchronize do
if @forecast_cache.has_key?(loc) and
Time.new - @forecast_cache[loc][:date] < 3600
forecast = @forecast_cache[loc][:forecast]
- forecast_date = @forecast_cache[loc][:date]
- else
- begin
- l = LatLong.new
- f = Forecast.new(*l.get_lat_long(loc))
- forecast,forecast_date = f.forecast
- rescue => err
- m.reply err
+ if forecast
+ m.reply forecast
+ Thread.exit
end
end
- if forecast
- m.reply forecast
- @forecast_cache[loc] = {}
- @forecast_cache[loc][:forecast] = forecast
- @forecast_cache[loc][:date] = forecast_date
- else
- m.reply "Couldn't find forecast for #{loc}"
+ end
+ begin
+ l = LatLong.new
+ f = Forecast.new(*l.get_lat_long(loc))
+ forecast,forecast_date = f.forecast
+ rescue => err
+ m.reply err
+ end
+ if forecast
+ m.reply forecast
+ @cache_mutex.synchronize do
+ @forecast_cache[loc] = {
+ :forecast => forecast,
+ :date => forecast_date
+ }
end
+ else
+ m.reply "Couldn't find forecast for #{loc}"
+ end
rescue => e
- m.reply "ERROR: #{e}"
+ m.reply "ERROR: #{e}"
end
+ }
end
end
plugin = ForecastPlugin.new