echotcpip

Start or stop TCP/IP echo server

Syntax

echotcpip("on",port)

echotcpip("off")

Description

echotcpip("on",port) starts a TCP/IP server at the specified port number.

echotcpip("off") stops the echo server.

Examples

Communicate with Echo TCP/IP Server

This example shows how to set up an echo TCP/IP server. Start the echo server on port 4000 and create a TCP/IP client object. Connect the TCP/IP client object to the host.

echotcpip('on',4000)
t = tcpclient('localhost',4000);

Write to the host and read from the host.

writeline(t,'echo this string.')
data = readline(t)

data = 

    "echo this string."

Stop the echo server, disconnect the TCP/IP client object from the host, and clear the TCP/IP client object.

echotcpip('off')
clear t

Input Arguments

port — Port number of the server

numeric

Port number of the server, specified as a number between 1 and 65535, inclusive.

Data Types: double

Version History

Introduced before R2006a