Class: RSFServices

Inherits:
RScriptRW
  • Object
show all
Defined in:
lib/rsf_services.rb

Defined Under Namespace

Classes: Package, PackageMethod

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(reg = nil, package_basepath: '', log: nil, debug: false, app_rsf: nil) ⇒ RSFServices

Returns a new instance of RSFServices.



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# File 'lib/rsf_services.rb', line 85

def initialize(reg=nil, package_basepath: '', log: nil, debug: false, 
               app_rsf: nil)
  
  @log, @debug = log, debug
  
  puts 'inside RSF_services' if @debug

  super(log: log, debug: debug)

  @package_basepath, @services = package_basepath, {}
  
  @initialized = {}

  if reg then

    @registry = @services['registry'] = if reg.is_a? String then
      reg = DWSRegistry.new reg_path
    else
      reg
    end
    
    # load the system/startup RSF jobs

    startup = reg.get_key('system/startup')
    
    jobs =  startup.xpath('*[load="1"]').inject({}) do |r, job|
      settings = reg.get_keys("system/packages/#{job.name}/*")\
                        .inject({}){|r,x| r.merge(x.name.to_sym => x.text) }
      r.merge(job.name => settings)
    end
    
    jobs.each do |package, settings| 
      r = run_job(package.to_s, 'load', settings, 
                                              package_path: settings[:url])
    end
  end
  
  @app = AppMgr.new(rsf: app_rsf, reg: reg, rsc: self) if app_rsf

end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args) ⇒ Object (private) 



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# File 'lib/rsf_services.rb', line 210

def method_missing(method_name, *args)
  
  puts 'inside method_missing' if @debug
  self.type = :get
  Package.new self, method_name.to_s, debug: @debug
end

Instance Attribute Details

#package_basepath ⇒ Object (readonly)

Returns the value of attribute package_basepath.



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# File 'lib/rsf_services.rb', line 83

def package_basepath
  @package_basepath
end

#registry ⇒ Object (readonly)

Returns the value of attribute registry.



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# File 'lib/rsf_services.rb', line 83

def registry
  @registry
end

#services ⇒ Object (readonly)

Returns the value of attribute services.



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# File 'lib/rsf_services.rb', line 83

def services
  @services
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/rsf_services.rb', line 127

def delete()
  PackageMethod.new self, type: :delete
end

#get ⇒ Object 



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# File 'lib/rsf_services.rb', line 131

def get()
  PackageMethod.new self
end

#package_methods(package) ⇒ Object 



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# File 'lib/rsf_services.rb', line 200

def package_methods(package)
  
  url = File.join(@package_basepath, package + '.rsf')    
  doc = Rexle.new open(url, 'UserAgent' => 'ClientRscript').read    
  doc.root.xpath('job/attribute::id').map {|x| x.value.to_s.gsub('-','_') }

end

#post ⇒ Object 



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# File 'lib/rsf_services.rb', line 139

def post()
  PackageMethod.new self, type: :post
end

#put ⇒ Object 



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# File 'lib/rsf_services.rb', line 135

def put()
  PackageMethod.new self, type: :put
end

#run_job(package, jobs, params = {}, *qargs) {|params| ... } ⇒ Object

Yields:

  • (params) 


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# File 'lib/rsf_services.rb', line 143

def run_job(package, jobs, params={}, *qargs)
  
  puts 'inside run_job' #if @debug

  package_path = "%s/%s.rsf" % [@package_basepath, package]
                 
  if @log or @debug then
    msg = 'RSFServices/run job: ' + 
        ("package: %s jobs: %s params: %s qargs: %s " + \
          " package_path: %s" % [package, jobs, params, qargs, package_path])
    @log.info msg if @log
    puts msg if @debug
  end
  
  yield(params) if block_given?    
  
  a = [package_path, jobs.split(/\s/).map{|x| "//job:%s" % x} ,qargs].flatten(2)
  
  puts 'a: ' + a.inspect if @debug

  c, args, _ = read(a)
  puts 'c: ' + c.inspect if @debug
  rws, reg, app = self, @registry, @app

  begin
    
    @log.info 'RSFServices/run job: code: ' + c if @log and c.is_a? String

    # if there is a job id called *initialize* then execute if it hasn't 
    # already been executed

    if self.jobs(package_path).include? :initialize and 
        !@initialized[package_path]  and jobs != 'initialize' then
      run_job(package, 'initialize')
      @initialized[package_path] = true
    end

    r = eval c
    puts 'r: ' + r.inspect if @debug
    #thread = Thread.new {Thread.current[:v] = eval c}
    #thread.join
    #r = thread[:v] 
    
    @log.info 'RSFServices/run job: result: ' + r if @log and r.is_a? String
    
    return r

  rescue Exception => e  
    
    params = {}
    err_label = e.message.to_s + " :: \n" + e.backtrace.join("\n")            
    @log.debug 'RSFServices/run_job/error: ' + err_label if @log

  end

end