Write debug trace to standard error.

Detailed Description

This node forwards its input to its output, and prints debug traces to the standard error stream. A message is emitted for each packet buffer forwarded, giving various information about the packet buffer.

The following output formats are available:

trace: sc_packet metadata, in human-readable format
hexdump: payload, as a hexadecimal dump
print: payload, as printed strings.

Arguments

Argument	Optional?	Default	Type	Description
mode	Yes	trace	SC_PARAM_STR	Either "trace", "hexdump", or "print".