Digital

NAME

nfi − Network Functions Interface

SYNOPSIS

nfi

DESCRIPTION

The network functions interface (nfi) is a general purpose network interface testing tool, which translates user commands into system calls to the socket interface.  The nfi interface is useful for testing one end of a protocol implementation. 

The nfi utility has commands that let you do the following:
 
    Connect to a program on a remote system
    Bind a name to a socket and wait for a connection
    Build and send data and interrupt messages
    Receive and display data and interrupt messages
    Close the connection

You can use nfi to debug pairs of programs that use a protocol; you can debug each end of the protocol separately. 

You can type help after the nfi> prompt to receive a list of the valid nfi commands. 

Note that nfi polls for both normal and out-of-band messages when you use the recv command. 

RESTRICTIONS

Digital Equipment Corporation supplies this utility on an "as-is" basis for general customer use.  Note that Digital does not offer any support for it, nor is it covered under any of Digital’s support contracts. 

EXAMPLE

nfi <RET> NFI (Network Functions Interface)
V1.01 25-Apr-85
Local node: ADOBE (55.12)
nfi> connect adobe object 17 <RET>
 connect accepted, peer information:
address family=12
object number=17
node address=55.12
 connect complete on socket=3
nfi> send data 1 0 0 2 3 4 5 6 <RET>
 sent data...
 Message length: 8
 Message contents (decimal):
       1      0      0      2      3      4      5      6
 polling for receive...
 received message(#1)
 Message length: 7
 Message contents (decimal):
       9      0     74    128      0      0      0
 1 message(s) received nfi> disconnect <RET>
 disconnect on socket=3
nfi> exit <RET>
 Exiting...