TCP Sink

This module writes messages to TCP using an Encoder.

TCP is a streaming protocol and some mechanism is needed to frame messages on the wire. A number of encoders are available, the default being 'CRLF'.

Options

The tcp sink has the following options:

See Spring Functions Catalog for configuration options.

Available Encoders

Text Data

CRLF (default): text terminated by carriage return (0x0d) followed by line feed (0x0a)
LF: text terminated by line feed (0x0a)
NULL: text terminated by a null byte (0x00)
STXETX: text preceded by an STX (0x02) and terminated by an ETX (0x03)

Text and Binary Data

RAW: no structure - the client indicates a complete message by closing the socket
L1: data preceded by a one byte (unsigned) length field (supports up to 255 bytes)
L2: data preceded by a two byte (unsigned) length field (up to 2¹⁶-1 bytes)
L4: data preceded by a four byte (signed) length field (up to 2³¹-1 bytes)