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Manual

pdfaPilot CLI

server jobs (IN, OUT, etc.) have to be configured so that they are valid

from the service's perspective (the system where the service is running) -

and not from the perspective of the controlling standalone application.)

The server can also be stopped by remote, but not started.

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Page 32

Manual

pdfaPilot CLI

Distributed Processing mode

callas pdfaPilot Server/CLI can be used in distributed processing mode

in which all jobs are distributed over the network to as many "satellites"

as being present and results are send back to the originator. Therefore

pdfaPilot Server/CLI may be started in different modes:

• "Dispatcher" must to be present exactly one time in the network.

This node controls which jobs are to be processed by which machines:

the "satellites".

• "Satellite" receives jobs from the clients or directly from the dispatcher

(if the dispatcher is run with hotfolders), processes them and sends

them back to the clients.

• "Client" asks the dispatcher for satellites and after receiving the next

satellite it sends jobs to the satellites and receives the results.

• "Monitor" monitors the dispatcher and displays the current situation.

All of these modules can run on the same or on different machines. There

needs to be exactly one dispatcher and at least one satellite. In order to

submit jobs at least one client is required.

Distributed processing is supported for Windows, MacOS, Linux, SunSo-

laris and SunIntel. It is not available on AIX.

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Page 33

Manual

pdfaPilot CLI

Starting a Dispatcher

--dispatcher [--port=<port number>] [--noserver]

Example:

--dispatcher [--port=1300] --noserver

Port is the port number on which the Dispatcher can be called over the

network. This port is set to 1300 as default.

! By the setting the

--noserver

option, the Dispatcher will not observe

existing hotfolders, but only distribute jobs to Satellites sent in by Clients.

This option is only available using the CLI.

Starting a Dispatcher using the ServerUI

There is also the possibility to start a server as a dispatcher on Windows

and MacOS using the user interface. Also hotfolder-processing can be set

up here. In this mode, the Dispatcher will also distribute jobs which are

send by other Clients.

Starting a Satellite

--satellite --endpoint=<dispatcher ip

number>[:<dispatcher port>] [--port=<port number>]

[--connections=<number of concurrent connections]

Example:

--satellite --endpoint=10.0.0.100:1300 --port=1301

In order to process jobs at least one Satellite is required. Endpoint is the IP

number and the port of the Dispatcher. Port is the port that the Satellite is

using in order to communicate with the clients. The port of the Satellite is

1301 as default and can be defined optionally to another one.

Starting a Satellite using the ServerUI

There is also the possibility to start a Server as a Satellite on Windows and

MacOS using the user interface. In this mode, the Satellite will not process

any hotfolder jobs on the computer.

! A Satellite will always use the number of CPUs on the respective machine

as the number of concurrent connections/processes. To limit this number,

the Satellite has to be started by CLI with the

--connections

parameter.

Distribute a process using a Client

The client is called using any regular pdfaPilot command line command.

In order to distribute the call over the network the command line param-

eters --dist and --endpoint are added. The client will then first ask the Dis-

patcher to receive a Satellite connection and then send the command to

the Satellite and wait until the result is sent back from the Satellite.

pdfaPilot --dist --endpoint=<dispatcher ip

number>[:<dispatcher port>] <any regular pdfaPilot

call>

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Page 34

Manual

pdfaPilot CLI

Examples:

pdfaPilot --dist --endpoint=10.0.0.100:1300 <myPDF.pdf>

pdfaPilot --dist --endpoint=10.0.0.100:1300 --level=2b

--analyze <myPDF.pdf>

Set type of satellite

As some kinds of jobs shall only be processed on a defined type of Satel-

lite, it is possible to start a Satellite with one or more types set.

Every CLI call can also be amended with one or more typification of

allowed types of Satellites the job shall be processed by.

Set typification for Satellite:

pdfaPilot --satellite --endpoint=<dispatcher IP number>

--satellite_type=<type> [--satellite_type=<type>]

for example:

pdfaPilot --satellite --endpoint=10.0.0.100

--satellite_type=A

pdfaPilot --satellite --endpoint=10.0.0.100

--satellite_type=A --satellite_type=B

Set typification for Client:

pdfaPilot --dist --endpoint=<dispatcher IP number>

--satellite_type=<type> [--satellite_type=<type>] <any

regular pdfaPilot call>

for example:

pdfaPilot --dist --endpoint=10.0.0.100 --satellite_

type=A <any regular pdfaPilot call>

Implementation details:

• If a Satellite has been started with a typification, only Client calls with

the same type set will be send to this satellite.

• If a Client call contains a number of typifications, all typifications must

match with those set for a satellite.

• If a Client call has no typfication set, it can be processe on all satellites,

even they have been started with a typfication.

• The

<type>

-string has to be alpha-numeric and is case sensitive.

Avoid local processing

As a fallback, processing can be performed locally if either the action can

not be distributed, a Satellite can not be assigned within a timeframe or if

no Dispatcher is available.

This type of local processing might be not desired for several reasons.

To avoid such local processing, the Client call can be amended as well as

the start of a Dispatcher (if run as a server with hotfolders) with the option

--nolocal.

Example for Client:

pdfaPilot --dist --endpoint=<dispatcher IP number>

--nolocal <any regular pdfaPilot call>

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Page 35

Manual

pdfaPilot CLI

Example for Dispatcher:

pdfaPilot --dispatcher --nolocal

Fallback for Dispatcher

In some workflow systems, a fallback for a Dispatcher might be required

to ensure production stability.

To cover this, a number of Dispatcher can be set up, which will run indi-

vidually. One or multiple Dispatcher can be assigned to a Satellite.

Define multiple Dispatcher to a Satellite

Connects a satellite to two (or more) Dispatcher.

pdfaPilot --satellite --endpoint=<dispatcher 1 IP>

[--endpoint=<dispatcher 2 IP> [--endpoint=<dispatcher

IP>]

Set multiple Dispatcher in a Client call

Distributes a Client call via two (or more) Dispatcher. First reachable Dis-

patcher with free satellite will process the job.

pdfaPilot --dist --endpoint=<dispatcher 1 IP>

--endpoint=<dispatcher 2 IP> [--endpoint=<dispatcher

IP>] <any regular pdfaPilot call>

Define a timeout for processing

In some workflow systems, long running processes might not be allowed

and shall be cancelled if a give timeframe is reached.

Due to the flexibility of distributed processing, a variety of timeouts for the

individual parts can be set:

• for the Cient call

• for the Satellite

• for the Dispatcher

Timeout for processing on a Satellite

When defining a timeout for the Client call, the execution will be cancelled

after the given period.

When defining a timeout when starting a Satellite, all jobs processed by

this Satellite will be cancelled after the given period.

If both are defined, the shorter timeframe will be used.

Example for Client:

pdfaPilot --dist --endpoint=<dispatcher IP> --timeout_

satellite=<seconds> <any regular pdfaPilot call>

Example for Satellite:

pdfaPilot --satellite --endpoint=<dispatcher IP>

--timeout=<seconds>

Timeout for local processing of Dispatcher or Client

A processing timeout (if no satellite is available or if the type of job can not

be distributed) for the fallback to local processing on the Client or the Dis-

pacher (when used as a server for hotfolders) can also be defined.

If both are defined, the shorter timeframe will be used.

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Page 36

Manual

pdfaPilot CLI

Example for Client:

pdfaPilot --dist --endpoint=<dispatcher IP>

--timeout=<seconds> <any regular pdfaPilot call>

Example for Dispatcher:

pdfaPilot --dispatcher --timeout=<seconds>

Timeout for Dispatcher to search for Satellites

Additionally, also a timeout for the Dispatcher can be set, which will define

the timeframe in which is searched for Satellites.

This can also be set individually for every Client call or when starting the

Dispatcher (will have effect on all distributed files then).

If both are defined, the shorter timeframe will be used.

Example for Client:

pdfaPilot --dist --endpoint=<dispatcher IP> --timeout_

dispatcher=<seconds> <any regular pdfaPilot call>

Example for Dispatcher:

pdfaPilot --dispatcher --timeout_dispatcher=<seconds>

! If a timeout for satellites or dispatcher is set and the --nolocal option has

been defined, it will not be tried to process the job locally. Processing will

end up in an error.

! Setting --timeout... or --nolocal parameters in the "Additional CLI param-

eter" area of the Server UI is not supported at the moment.

Using the CLI-Monitor

pdfaPilot --monitor --endpoint=<dispatcher ip

number>:<dispatcher port> [--endpoint=<dispatcher

IP>:<dispatcher port>]

Example:

--monitor --endpoint=10.0.0.100:1300

Monitor is optional and mirrors the command line output of the dispatch-

er to another computer. Endpoint is the IP number and the port of the

dispatcher.

When using more than one Dispatcher, also multiple Dispatcher IPs can

be entered and observed.

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Manual

pdfaPilot CLI

Communication

1) Clients sends a request for Satellite to Dispatcher

2) Dispatcher assigns a Satellite and send the address to the Client

3) Client send the job to the Satellite

4) Satellite send the result back to the Client

Licensing

• Server: Regular pdfaPilot Server/CLI license required

• Dispatcher: Dispatcher pdfaPilot Server/CLI license required

• Satellite: Regular pdfaPilot Server/CLI license required

• Monitor: No license required

• Client: No license required

Page 38

Manual

pdfaPilot CLI

HTML-based custom reports

To adjust PDF-reports easily, HTML-based custom reports can be used.

The visual appearance is controlled by a HTML-Template and Custom Style

Sheets (CSS), while the reported details are directly requested from pdfaP-

ilot or (optionally) parsed from an internally created XML-report.

Structure of related files

A predefined HTML-template is contained in all installer packages for

Desktop and Server/CLI.

This predefined template can be found in:

• Server/CLI:

../cli/var/Reports/Templates

• Desktop/PlugIn:

<User Preferences>/callas software/pdfaPilot <version>/Reports/Tem-

plates

(using Desktop/PlugIn, a HTML-based report must have been gener-

ated at least once, in order to have these these files created)

The predefined template contains several folders and files

• index.html

the template in HTML format

• manifest.xml

a XML file which defines information needed as

content for the report, to be delievered by the

pdfaPilot engine

• /css

contains a style sheet

• /fonts

contains used fonts

• /img

contains used images

• /scripts

contains used JavaScripts

! It is highly recommended to create a copy of the original template in a

separate folder when starting to adjust a HTML-template based report.

Page 39

Manual

pdfaPilot CLI

The manifest.xml

The manifest.xml defines the set of information to be provided by the

pdfaPilot engine. This information will be used to to fill up the details in

the report based on the HTML-Template.

Basic document information as well as all results of the processed profiles

are provided by default. Other parts like a preview image, comparision

images or an XML report can be also requested here. Even a XML report

can be ordered to enable picking up additional information about the PDF

or executed fixups or checks using JavaScript.

The display name in the user interface is defined here as well.

For developing purposes, the internally generated, filled HTML represen-

tation of the report can be maintained to review changes in the template

files also in a browser.

! The HTML converter is using WebKit, so it is recommended to use Safari

(or Chrome, which is based on a spin-off of WebKit) as a browser.

Request basic informations about PDF

<x:dict>

<x:overview/>

</x:dict>

Purpose

If contained, document information and results of the performed profile

will be available for using them in the HTML template.

Preview images of pages

<x:results>

<x:preview resolution="150" page="1"/>

</x:results>

Purpose

Rendering of images of one or more pages for visual represenation of the

PDF in the report.

Visual comparision of original and processed file

<x:compare>

<x:document_a resolution="20"/>

<x:document_b resolution="20"/>

<x:diffresult resolution="20"/>

</x:compare>

Purpose:

Include compare tree if comparison resources are used inside index.html.

Parameters

resolution resoultion used in ppi for rendering the comparision

Page 40

Manual

pdfaPilot CLI

Keep the temporarily generated files

<x:settings>

<x:keeptemp>true</x:keeptemp>

</x:settings>

Purpose

Temporarily generated files like the filled index.html, CSS-files, images,

XML-reports and used JavaScripts will not become deleted after finnishing

the PDF report.

Parameters

false

files become deleted (default)

true

files will not become deleted

Creating a XML report for additional content

<x:results>

<x:xmlreport path="xml/report.xml"

inkcovres="72" inkcovbox="TrimBox"/>

</x:results>

Purpose

Requests a XML report of the performed profile to extract additional infor-

mation using JavaScript which can be used in the report.

Determining the ink coverage will only take place if one of the respective

parameters exists.

Parameters

inkcovres

resolution in ppi, used for determining the effective ink

coverage of each page in the PDF (optional, default: 300)

inkcovbox page geometry box of which the effective ink coverage will

be determined (optional, default: CropBox)

The HTML template

The HTML template can easily be modified using an appropriate code-

editor or enhanced text-editor.

The

index.html

of the default "overview" template references a

stylesheet, two JavaScripts as well as a number of images.

The provided HTML-template already contains some "dummy" data, which

is automatically replaced by actual content when a new report is gener-

ated. So, when doing adjustments to the template with custom profiles

and PDF files, it is recommended to keep the temporarily generated files

for debugging, as a basis for modifications and their review in a browser.

! It is possible to use image formats (like JPEG or PNG) as well as PDFs for

positioning visual content like logos. If you want to debug your HTML in

an HTML Browser you may want to display an image instead of the PDF

reference. You can do this by putting identically named files for images

and PDF next to each other. The PDF file must be referenced in the <img>

tag in the HTML-template. The usage of PDF files allows for higher quality

of logos in the resulting PDF report.

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