Libraries Guide

10.4.0
- 10.5

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ASN.1 Streamer Properties

The

AsnStreamer

component . splits and converts a large multi-message ASN.1 document into ASN.1 messages.

Each ASN.1 message is converted into XML.

The

AsnStreamer

must be defined at the global level of the Script and it must be the startup component of the transformation.

The following table describes the properties of the

AsnStreamer

component:

Property	Description
asn_file	Defines an ASN.1 specification file.
count	Defines the maximum number of converted ASN.1 messages to pass to the transformation.
encoding	Defines the ASN.1 encoding.
header	Defines a header to exclude from the ASN.1 file. The header property has the following options: NewlineSearch. The header is a newline. OffsetSearch. Define the header according to the number of characters from the beginning of the file. PatternSearch. Define the header with a regular expression. TextSearch. Define the header by an explicit string or a string that you retrieve dynamically from the source document.
max_lookup_size	Defines the maximum quantity of new data, in kilobytes, that the AsnStreamer searches for each new segment. For optimal performance, set this property to twice the maximum possible segment size. When an application activates a deployed AsnStreamer service through an API, it must set the chunk size parameter to a value that is smaller than the max_lookup_size . Default is 10000.
no_constraints	Determines whether to process the ASN file with constraints. The no_constraints property has the following options: true. Process the ASN file without constraints. false. Process the ASN file with constraints. Default is false.
run_component	Defines a transformation that processes the segment. You can choose one of the following options: The name of a Parser, Serializer, or Mapper that is configured at the global level of the Script. A Mapper or Serializer component. Configure the mapper or serializer within the segment. A WriteSegment component that copies the segment to the output.
pdu_type	Defines the PDU type. Use this property to clarify an ambiguity.
separator	Defines text to ignore between records. The separator property has the following options: NewlineSearch. The separator is a newline. OffsetSearch. Define the separator by the number of characters from the end of the previous record. PatternSearch. Define the separator by a regular expression. TextSearch. Define the separator by an explicit string or a string that you retrieve dynamically from the source document.
xml_root	Define an XML root element to contain the converted ASN.1 messages.

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Libraries Guide

Libraries Guide

ASN.1 Streamer Properties

ASN.1 Streamer Properties