Home » Archimedes archive » Acorn User » AU 1995-05.adf » !Internet_StarterPak » !TCPIP/TCPIP_Doc/History/New_202

!TCPIP/TCPIP_Doc/History/New_202

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Archimedes archive » Acorn User » AU 1995-05.adf » !Internet_StarterPak
Filename: !TCPIP/TCPIP_Doc/History/New_202
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File contents
TCPIP (Arc KA9Q) Version 2.02 (development only release)
========================================================

Fixes
=====


Terminal Windows
----------------
In some screen modes, moving a terminal window partially off-screen to
bottom right could data aborts. Fixed.


Terminal command switches
-------------------------
Documentation of "X" and "Y" switches was inconsistant with current
action. Now corrected such that tha old documentation is correct, and
have updated switches documentation. Also two new switches added: "BB"
and "BT" for command box at bottom and command box at top.

Redraw bug in BB and BT options present in limited release now fixed.


Terminal main and command menus
-------------------------------
These had a rather annoying bug concerning adjust selections, that caused
onlt the root menu of a tree to be re-opened.

This has been fixed.


Window Positioning
------------------
Resize a window during terminal creation (for eg, when extended command
switches were used) resulted in the window being positioned at the top
of the screen.

Now fixed.


Auto deletion of temporary spool files
--------------------------------------
These now get deleted a couple of wimp_polls later, giving a text editor
just enough time to load it.


Enhanced FTP Client
-------------------

New FTP Client path processor causes occasional random crashes in
limited release version.

Now fixed.


Terminal Command Macros
-----------------------
Extra garbage on end of some string was present that could sometimes
just result in additional characters being entered, other times a crash.

Now fixed.


SMTP Mailbox names
------------------
Server would not accept names such as "Adam Goodfellow"@...,
Adam.Goodfellow@... etc.

Now fixed so that such names are convert into a mailbox name such as
"AGoodfellow".


NNTP NewGroups
--------------

NNTP sends invalid command when newgroup disabled.

Now fixed


Ammedments and Additions
========================

Reverse Name Lookups
--------------------
A new command "resolves names on|off" has been added to allow reverse
name lookups to be switched on/off.

In the limited release this command was "names 0|1".


VTxxx Terminal Emulations
-------------------------
These now support double height and/or double width text.
Emulation is still basically VT100, though some VT220 and VT320
functionality is included.


NNTP Logging
------------
NNTP now logs outgoing articles. In the case of a fail, the
error message returned from the server is logged.


Command box
-----------
This can now be either at top or bottom of window. New terminal
command switches provided to control this.


New command - NSQuery
---------------------
A simple, but useful utility for directly querying a nameserver.
syntax:
nsquery <nameserver> <name> <type>

<nameserver> is the host name or IP address of the server to query
<name> is the host or domain name, or IP address to query
<type> detremines the query type as follows:
  a      IP Address query
  mx     MX Hosts list
  ns     List of name servers for a domain
  cname  Real name for an alias
  ptr    address -> name lookup
  wks    List of services (rarely available)
  soa    Start of zone authority
See RFC 1034/5 for futher details, available from many FTP sites


New command - Filer
-------------------
This gives access to Filer_OpenDir and Filer_Run commands. Main use
is for the macro menus.
Syntax:
filer open|run <path name>

filer open <path> opens the specified directory
filer run <path> runs the specified file as if double-clicked.

The default directory is !TCPIPUser AKA <TCPIP$Dir>. Use of "<", ">", 
":" or "$" will cause the path to be treated as a full path name.
"^.name" may be used to access objects in the same directory as
!TCPIPUser, for eg a news reader.


Macro menus
-----------
It is now possible to give multiple commands in a single entry with the
use of "|" as a psuedo EOL, for eg the "News & Mail"->"Run Mailer" macro
has the command "filer run ^.!Newsbase|filer run ^.!TTFN".

Other useful uses would be for loading up Web browsers and associated
utilities from a command menu, rather than having to open a filer window
to find them.


Commands in session command menus
---------------------------------
Any commands prefixed with "*" are directed at the main command window.
This allows for example, a "*filer open downloads" command to be present
on an FTP session command menu.

In order to avoid conflict with, for eg, text entered into a telnet
session, this only applies to commands in a menu definition, and not
when entered manually into the session.


SMTP problems
-------------
I have done two minor changes to SMTP as follows:

1. It should now accept as valid, mail directed to
   user@name.host.domain, rather than just user@host.domain.
   This should help with some peculiar mail delivery gateways.
   
2. Local mail should now allways be looped back, even when a gateway
   is given.

3. Some people have reported problems with the fast close that the SMTP
   client uses. I you have sufferred from this, then add the following
   command to your Config file: "smtp delay yes". This will ensure that
   the SMTP client does not close its end of the connection until the
   "221 Closing" message is received from the server.
   

Serial I/O
----------
I have made a very minor change to serial I/O to allow hardware
handshaking to be switched on/off. This change results in the "attach
asy" and "param <iface>" commands being able to accept an additional
parameter.

attach asy internal 0 slip ax0 2048 1500 19200 0 for no handshaking

Old syntax for attaching a slip interface was:
 attach asy <driver> <port>
            slip <name> <buffer size> <packet size> [<speed>]

New syntax is:
 attach asy <driver> <port>
            slip ax0 <buffer size> <packet size> [<speed> [0|1]]

Where 0 is for no handshaking, 1 is for hardware hardshaking.

Similarly, the param command has been ammended as follows:
 param ax0 <speed> [0|1]


FTP client
----------
I have at long last, got round to improving the FTP client, especially
in terms of path name handling. Also added is batch ftp and mget.

Path name processing has been completely revamped to include a test
version of my path name processing code. This basically examines a file
name and extensions to determine not only the file's type, but what kind
of path processing to apply, and where to put it on you harddisc from
information given in a "PathEnt file".

See the file "FTPClient" for full details.


Variables
---------
A new "showvar" command has been added for listing currently set
variables.

Syntax: showvar [<variable name>]

If no variable name is given, all variables are listed.


A new "setosvar" command has been added for causing an internal !TCPIP
variable to refereence an external variable.

Syntax: setosvar <!TCPIP variable name> <OS variable name>

Whenever this variable is read, the current value of the named OS
variable is read.

Whenever the variable is written with "setvar", the OS variable value is
changed.


There are now a number of internally generated variables that are
created by various events as follows:

  ftp_data        This is set to local name of the file most recently
                  retrieved using "get" or "mget" in an ftp session.

  ftp_list        This is set to local name of the file most recently
                  generated by "ls/dir/quote <path> <local file>"

  last_caller     This is set to the IP address of the host that most
                  recently attempted an ftp or telnet connection to your
                  host, tried to finger your host.

  telnet_caller   As per {last_caller}, but for telnet connections only.
  
  ftp_caller      As per {last_caller}, but for ftp connections only.
  
  finger_caller   As per {last_caller}, but for finger connections only.
  

{ftp_data} is useful for use with the new "filer run" command, allowing
for example, a menu command such as "filer run {ftp_data}" to send the
most recently retrieved file to an application that can deal with it.

{ftp_list} is useful for quick loading of listing files into a text
editor from a menu command such as "filer run {ftp_list}".

{last_caller} etc are useful in menu commands such as 
"finger @{last_caller}" enabling you to easily find out who is pestering
you.

At startup, any OS variable of the form TCPIP$OSVar$<varname> is created
with setosvar as the variable <varname>. Any OS variable of the form
TCPIP$String$<varname> is created with setvar as the variable <varname>.


VJ Compressed SLIP
------------------

This is now available as an alternative to SLIP. The main advantage with
CSLIP is considerably reduced per-packet overheads, making the use of a
smaller MTU, such as 576 rther than 1500 more practical.

When used with a large MTU, the difference in FTP speed, for example is
quite small, giving me 1528cps rather than 1505 cps for compressed
archives, and upto 3200cps for text files, compared with just over 3100.
(MTU was 1500).

The use CSLIP rather than SLIP, you need to specify CSLIP in the device
attach cpmmand as follows:

attach asy internal 0 cslip sl0 2048 576 0

tcp mss 536

This should give a speed similar to using SLIP with a 1500byte MTU.


NNTP Message-ID History
-----------------------

This version has a new NNTP duplicates history with a slightly different
format to previous versions.

Users of !Newsbase will need to disable trimming as the trim utility
will not be able to find the history file anyway. The new history file
is automatically trimmed when saved.

A new "nntp trim" command has been added to control history trimming:

Syntax: nntp trim <max id age in hours>

The default trim age is 72 hours (3 days).
00000000  54 43 50 49 50 20 28 41  72 63 20 4b 41 39 51 29  |TCPIP (Arc KA9Q)|
00000010  20 56 65 72 73 69 6f 6e  20 32 2e 30 32 20 28 64  | Version 2.02 (d|
00000020  65 76 65 6c 6f 70 6d 65  6e 74 20 6f 6e 6c 79 20  |evelopment only |
00000030  72 65 6c 65 61 73 65 29  0a 3d 3d 3d 3d 3d 3d 3d  |release).=======|
00000040  3d 3d 3d 3d 3d 3d 3d 3d  3d 3d 3d 3d 3d 3d 3d 3d  |================|
*
00000070  3d 0a 0a 46 69 78 65 73  0a 3d 3d 3d 3d 3d 0a 0a  |=..Fixes.=====..|
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