scan_node.md

Scan Node

The Scan Node reads data from a file and parses it according to a specified format. It uses the format included in the input packet to read and parse the data from the file and returns the parsed data in an output packet.

Specification

• filename: The name of the file to read. If empty, the file name is set dynamically via the input packet. (Optional)

Ports

• in: Receives input packets to read and parse data from the file.
  • If filename is provided: The input packet contains the format for reading the data from the file.
  • If filename is not provided: The input packet includes both the file name and the format.
• out: Returns a packet containing parsed data in the specified format when reading and parsing are successful.
• error: Returns errors encountered during file reading or data parsing.

Example

- kind: scan
  filename: /dev/stdin
  ports:
    out:
      - name: next
        port: in