Class: RServiceBus::Monitor_Dir

Inherits:
Monitor
  • Object
show all
Defined in:
lib/rservicebus/Monitor/Dir.rb

Instance Attribute Summary

Attributes inherited from Monitor

#Bus

Instance Method Summary collapse

Methods inherited from Monitor

#_connect, #finished, #initialize, #reconnect, #send

Constructor Details

This class inherits a constructor from RServiceBus::Monitor

Instance Method Details

#connect(uri) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 14

def connect(uri)
    #Pass the path through the Dir object to check syntax on startup
    begin
        inputDir = Dir.new( uri.path )
        unless File.writable?(uri.path) then
          puts "***** Directory is not writable, #{uri.path}."
          puts "***** Make the directory, #{uri.path}, writable and try again."
          abort()
        end
        rescue Errno::ENOENT => e
            puts "***** Directory does not exist, #{uri.path}."
            puts "***** Create the directory, #{uri.path}, and try again."
            puts "***** eg, mkdir #{uri.path}"
            abort();
        rescue Errno::ENOTDIR => e
        puts "***** The specified path does not point to a directory, #{uri.path}."
        puts "***** Either repoint path to a directory, or remove, #{uri.path}, and create it as a directory."
        puts "***** eg, rm #{uri.path} && mkdir #{uri.path}"
        abort();
    end
    
    @Path = inputDir.path
    @InputFilter = Array.new
    
    return if uri.query.nil?
    parts = CGI.parse(uri.query)
    @QueryStringParts = parts
    if parts.has_key?('archive') then
        archiveUri = URI.parse( parts['archive'][0] )
        unless File.directory?(archiveUri.path) then
          puts '***** Archive file name templating not yet supported.'
          puts "***** Directory's only."
          abort()
        end
        @ArchiveDir = archiveUri.path
    end
    
    if parts.has_key?('inputfilter') then
        if parts['inputfilter'].count > 1 then
            puts 'Too many inputfilters specified.'
            puts '*** ZIP, or GZ are the only valid inputfilters.'
            abort();
        end
        
        if parts['inputfilter'][0] == 'ZIP' then
            elsif parts['inputfilter'][0] == 'GZ' then
            elsif parts['inputfilter'][0] == 'TAR' then
            else
            puts 'Invalid inputfilter specified.'
            puts '*** ZIP, or GZ are the only valid inputfilters.'
            abort();
        end
        @InputFilter << parts['inputfilter'][0]
    end
    
    
end

#Look ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 124

def Look
    fileProcessed = 0
    maxFilesProcessed = 10
    
    fileList = Dir.glob( "#{@Path}/*" )
    fileList.each do |filePath|
        RServiceBus.log "Ready to process, #{filePath}"
        content = self.ProcessPath( filePath )

        unless @ArchiveDir.nil? then
          basename = File.basename(filePath)
          newFilePath = @ArchiveDir + '/' + basename + '.' + DateTime.now.strftime('%Y%m%d%H%M%S%L') + '.zip'
          RServiceBus.log "Writing to archive, #{newFilePath}"

          Zip::ZipOutputStream.open(newFilePath) {
              |zos|
            zos.put_next_entry(basename)
            zos.puts content
          }
        end
        File.unlink( filePath )
        
        fileProcessed = fileProcessed + 1
        RServiceBus.log "Processed #{fileProcessed} of #{fileList.length}."
        RServiceBus.log "Allow system tick #{self.class.name}"
        return if fileProcessed >= maxFilesProcessed
    end
    
end

#ProcessContent(content) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 72

def ProcessContent( content )
    return content
end

#ProcessPath(filePath) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 116

def ProcessPath( filePath )
    content = self.ReadContentFromFile( filePath )
    payload = self.ProcessContent( content )
    
    self.send( payload, URI.parse( "file://#{filePath}" ) )
    return content
end

#ReadContentFromFile(filePath) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 98

def ReadContentFromFile( filePath )
    content = ''
    if @InputFilter.length > 0 then
        if @InputFilter[0] == 'ZIP' then
            entry, content = self.ReadContentFromZipFile( filePath )
            elsif @InputFilter[0] == 'GZ' then
            content = self.ReadContentFromGzFile( filePath )
            elsif @InputFilter[0] == 'TAR' then
            content = self.ReadContentFromTarFile( filePath )
        end
        
        else
        content = IO.read( filePath )
    end
    
    return content
end

#ReadContentFromGzFile(filePath) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 85

def ReadContentFromGzFile( filePath )
    gz = Zlib::GzipReader.open(filePath)
    return gz.read
end

#ReadContentFromTarFile(filePath) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 90

def ReadContentFromTarFile( filePath )
    raise 'Not supported yet'
    content = ''
    #            Gem::Package::TarReader.new( filePath ).each do |entry|
    #    content = entry.read
    return content
end

#ReadContentFromZipFile(filePath) ⇒ Object 



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# File 'lib/rservicebus/Monitor/Dir.rb', line 76

def ReadContentFromZipFile( filePath )
    zip = Zip::ZipInputStream::open(filePath)
    entry = zip.get_next_entry
    content = zip.read
    zip.close
    
    return entry, content
end