Main Content

echotcpip

Start or stop TCP/IP echo server

    Description

    example

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

    example

    echotcpip("off") stops the echo server.

    Examples

    collapse all

    This example shows how to set up an echo TCP/IP server.

    Start the echo server on port 4000 and create a TCPIP object. Connect the TCP/IP 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 object from the host and clear the TCPIP object.

    echotcpip('off')
    clear t

    Input Arguments

    collapse all

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

    Data Types: double

    Introduced before R2006a