Instrument Control Toolbox

echotcpip

Start or stop a TCP/IP echo server

Syntax

• echotcpip('state',port)
  echotcpip('state')
  

Arguments

'state'	Turn the server on or off.
port	Port number of the server.

Description

echotcpip('state',port) starts a TCP/IP server with port number specified by port. state can only be on.

echotcpip('state') stops the echo server. state can only be off.

Example

Start the echo server and create a TCP/IP object.

• echotcpip('on',4000)
  t = tcpip('localhost',4000);
  

Connect the TCP/IP object to the host.

• fopen(t)
  

Write to the host and read from the host.

• fprintf(t,'echo this string.')
  data = fscanf(t);
  

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

• echotcpip('off')
  fclose(t)
  

See Also

Functions

echoudp, tcpip, udp

disp

echoudp