Check reconnection in Mongo-Ruby-Driver

reconnection_test.rb

require 'mongo'

c = Mongo::Connection.new.db('fluent').collection('a')
i = 0
loop {
  begin
    c.insert({'a' => i})
    i += 1
    p "alive! #{i}"
    sleep(1)
  rescue
    p "Down!"
    sleep(2)
  end
}

__END__

Result:
% ruby reconnection_test.rb
"alive! 1"
"alive! 2"
"alive! 3"
"alive! 4"
"alive! 5"
"alive! 6"
"alive! 7"
"alive! 8"
"Down!"
"Down!"
"Down!"
"Down!"
"alive! 9"
"alive! 10"
"alive! 11"
"alive! 12"
"alive! 13"
...