david
4/23/2008 7:12:00 PM
On Apr 19, 4:28 pm, Gordon Thiesfeld <gthiesf...@gmail.com> wrote:
> On Sat, Apr 19, 2008 at 11:30 AM, david <davidho...@gmail.com> wrote:
> > Windows 2000 SP4
> > Ruby 1.8.6
> > Rail 1.2.6
>
> > I'm trying to create a Rail application for our internal use to
> > provide a one stop access to services. I'm currently trying to get the
> > Server.status, Service.stop and Service.start to work through a model
> > inRails. The Service.* functions work well through Ruby itself, but
> > seems to have problem through aRailsModel. I've been trying to
> > display the status of the MySQL service.
>
> > *** Model
>
> > require "win32/service"
>
> > class Servicectl
>
> > include Win32
>
> > attr_reader :state
>
> > def servicestatus(service_name, host_name)
> > @state = Service.status(service_name, host_name)
> > end
>
> > def servicestart(service_name, host_name)
> > Service.start(service_name, host_name)
> > end
>
> > def servicestop(service_name, host_name)
> > Service.stop(service_name, host_name)
> > end
>
> > end
>
> > *** Controller
>
> > class ServicectlController < ApplicationController
>
> > def show
> > service_state = Servicectl.new
> > service_state.servicestatus("MySQL",nil)
> > @status = service_state.state
> > end
>
> > end
>
> > *** Show View
>
> > <%= @status %>
>
> > The following error is posted to the development.log.
>
> > Processing ServicectlController#show (for 127.0.0.1 at 2008-04-19
> > 11:53:46) [GET]
> > Session ID: d446bf0a6cad825dbf5d1a78e6853706
> > Parameters: {"action"=>"show", "controller"=>"servicectl"}
>
> > Win32::Service::Error (T):
> > c:/ruby/lib/ruby/gems/1.8/gems/win32-service-0.6.1-x86-mswin32-60/
> > lib/win32/service.rb:920:in `status'
> > C:/Shared/SourceCode/Rails/sandbox/app/models/servicectl.rb:14:in
> > `servicestatus'
> > C:/Shared/SourceCode/Rails/sandbox/app/controllers/
> > servicectl_controller.rb:9:in `show'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/base.rb:1101:in `send'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/base.rb:1101:in `perform_action_without_filters'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/filters.rb:696:in `call_filters'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/filters.rb:688:in `perform_action_without_benchmark'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/benchmarking.rb:66:in
> > `perform_action_without_rescue'
> > c:/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/benchmarking.rb:66:in
> > `perform_action_without_rescue'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/rescue.rb:83:in `perform_action'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/base.rb:435:in `send'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/base.rb:435:in `process_without_filters'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/filters.rb:684:in
> > `process_without_session_management_support'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/session_management.rb:114:in `process'
> > c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.6/lib/
> > action_controller/base.rb:334:in `process'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/dispatcher.rb:41:in
> > `dispatch'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/webrick_server.rb:
> > 113:in `handle_dispatch'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/webrick_server.rb:
> > 79:in `service'
> > c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
> > c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'
> > c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/webrick_server.rb:
> > 63:in `dispatch'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/commands/servers/
> > webrick.rb:59
> > c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `gem_original_require'
> > c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `require'
> > c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.4/lib/
> > active_support/dependencies.rb:495:in `require'
> > c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.4/lib/
> > active_support/dependencies.rb:342:in `new_constants_in'
> > c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.4/lib/
> > active_support/dependencies.rb:495:in `require'
> > c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.6/lib/commands/server.rb:
> > 39
> > c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `gem_original_require'
> > c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `require'
> > script/server:3
>
> > I have no idea why it is failing, I'm hoping someone might have a clue
> > for me.
>
> > For reference this is the working code which works well though Ruby
> > itself.
>
> > *** service.rb
>
> > require "win32/service"
>
> > class ServiceController
>
> > include Win32
>
> > attr_accessor :state
>
> > def status(service_name, host_name)
> > @state = Service.status(service_name, host_name)
> > end
>
> > def start(service_name, host_name)
> > Service.start(service_name, host_name)
> > end
>
> > def stop(service_name, host_name)
> > Service.stop(service_name, host_name)
> > end
>
> > end
>
> > *** Output:
>
> > C:\Shared\SourceCode\Ruby>ruby service.rb
> > running
>
> > Thanks for all your time,
> > Dave
>
> I can't offer help with win32-service, but I could suggest an
> alternative. You could do what you're wanting to do with Windows
> services via WMI, and I've written a ruby-wmi gem that has a syntax
> similar to Activerecord. Myrailsis rusty, but here's an idea.
>
> *** Model
>
> #nothing in here. ;)
>
> *** Controller
>
> require 'ruby-wmi'
>
> class ServicesController < ApplicationController
> # GET /services
> # GET /services.xml
> def index
> @services = WMI::Win32_Service.find(:all)
>
> respond_to do |format|
> format.html # index.html.erb
> format.xml { render :xml => @services }
> end
> end
>
> # GET /services/1
> # GET /services/1.xml
> def show
> puts params
> service = WMI::Win32_Service.find(:first, :conditions => {:name =>
> params['id']})
> @status = service.state
> end
>
> def stop
> service = WMI::Win32_Service.find(:first, :conditions => {:name =>
> params['id']})
> service.stopservice
> end
>
> def start
> service = WMI::Win32_Service.find(:first, :conditions => {:name =>
> params['id']})
> service.startservice
> end
>
> end
>
> *** Index view
>
> <table>
> <tr>
> </tr>
>
> <% for service in @services %>
> <tr>
> <td><%= link_to service.name, service.name %></td>
> <td><%= service.state %></td>
> <td><%= service.startmode %></td>
> </tr>
> <% end %>
> </table>
>
> *** Show view
>
> <%= @status %>
Thanks Gordon, I will give that option a try.
Dave