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lafe - LAtency Free Empire
Still in alpha, midway between emp_client and eif. Has the low
latency of emp_client with the readline capabilities of eif. Should
handle empire2.3 C_INFORM messages. Nation, password, server, and
port may all be set using environment variables, defaults, commandline
arguments, or in ~/.laferc using the addgame command. The defaults
are visitor/visitor/empire.net/7778. The environment variables are
EMPIREHOST, EMPIREPORT, COUNTRY, and REPRESENTATIVE. Commandline
arguments may be given as:
lafe country password host port
or
lafe country password
or
lafe game
where "game" is defined by an addgame command in your ~/.laferc
file (see example.laferc).
GNU readline is a bit touchy. If you're lucky, you can just type
"make" and "make [system]" in the lafe directory. If not, you'll have
to dive into readline/ and read how to tweak things. lafe.c itself
should be very portable to ANSI C compilers. The location of the
termcap/terminfo routines is not standardized though, so you may need
any one or more of -ltermcap -lterminfo -lcurses.
Local commands defined now in lafe:
help print syntax summary of local commands.
addgame add a game definition for the "lafe game" startup method.
execute Handles exec scripts locally
runfeed Runs the argument as a shell command, and sends the output
to the server shell Run the argument as a shell script
alias Print, delete, or define an alias. Use single quotes around
the alias definition to protect $*, $1, $2, ...
setvar Set, delete, or print local variables.
history print the previous commands.
verbose toggle verbosity of message. "verbose on" if you want all the
error messages, C_SYNC messages, etc. Off by default.
Lafe attempts to execute ~/.laferc at startup. It prints a warning
message if the file does not exist.
BUGS:
When typing ahead (using the asynchronous nature of lafe) it is
possible for a local command to be executed at a subprompt. This
probably isn't what you want.
Local commands (including exec) can't be redirected. Redirection
only works on empire commands.
If the make fails with errors on symbols UP or BC, edit
readline/readline.c to declare these symbols as globals or externs,
whichever works.
Lafe attempts to zero it's arguments, however, some unixes keep a
system copy of your arguments. The result is: other users may see
your empire password if you use the "lafe coun pass" method. Type "ps
-ef" to see if your arguments are visible, and use the .laferc/addgame
method if they are.
The Makefile may need -DHAVE_CONFIG_H added to the CFLAGS on some systems.
On some systems (Solaris2.4), "bye" leaves the terminal confused,
but ^D exits cleanly.
Major Contributors
Bernhard Reiter - SunOS port, stress testing, lots of suggestions
-harmless@empire.net
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