sorted out inheritance

fixed dynamic executor (well it works)
added some commands
This commit is contained in:
djk 1998-06-19 21:20:30 +00:00
parent 625ce0adf0
commit 0121434f42
11 changed files with 170 additions and 85 deletions

7
cmd/bye Normal file
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@ -0,0 +1,7 @@
#
# the bye command
#
my $self = shift;
$self->state('bye');
return (1);

6
cmd/set/qra Normal file
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@ -0,0 +1,6 @@
#
# set the qra locator field
#
my ($self, $args) = @_;
my $user = $self->user;
return (1, "qra locator is now ", $user->qra($args));

6
cmd/set/qth Normal file
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@ -0,0 +1,6 @@
#
# set the qth field
#
my ($self, $args) = @_;
my $user = $self->user;
return (1, "qth is now ", $user->qth($args));

15
cmd/show/user Normal file
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@ -0,0 +1,15 @@
#
# show either the current user or a nominated set
#
my $self = shift;
my @set = split; # the list of users you want listings (may be null)
@set = ($self->call) if !@set; # my call if no args
my ($call, $field);
my @fields = DXUser->fields();
foreach $call (@set) {
my $user = DXUser->get($call);
}

4
cmd/shutdown Normal file
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@ -0,0 +1,4 @@
#
# the shutdown command
#
&main::cease();

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@ -25,15 +25,25 @@
#
package DXChannel;
require Exporter;
@ISA = qw(DXCommandmode DXProt Exporter);
use Msg;
use DXUtil;
use DXM;
%channels = undef;
%valid = (
call => 'Callsign',
conn => 'Msg Connection ref',
user => 'DXUser ref',
t => 'Time',
priv => 'Privilege',
state => 'Current State',
oldstate => 'Last State',
list => 'Dependant DXChannels list',
name => 'User Name',
);
# create a new connection object [$obj = DXChannel->new($call, $msg_conn_obj, $user_obj)]
sub new
{
@ -173,5 +183,18 @@ sub state
print "Db $self->{call} channel state $self->{oldstate} -> $self->{state}\n" if $main::debug;
}
# various access routines
sub AUTOLOAD
{
my $self = shift;
my $name = $AUTOLOAD;
return if $name =~ /::DESTROY$/;
$name =~ s/.*:://o;
die "Non-existant field '$AUTOLOAD'" if !$valid{$name};
@_ ? $self->{$name} = shift : $self->{$name} ;
}
1;
__END__;

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@ -9,12 +9,16 @@
package DXCommandmode;
@ISA = qw(DXChannel);
use DXUtil;
use DXChannel;
use DXUser;
use DXM;
use DXVars;
use strict;
use vars qw( %Cache $last_dir_mtime @cmd);
$last_dir_mtime = 0; # the last time one of the cmd dirs was modified
@cmd = undef; # a list of commands+path pairs (in alphabetical order)
@ -22,15 +26,13 @@ $last_dir_mtime = 0; # the last time one of the cmd dirs was modified
# possibly some other messages asking you to set various things up if you are
# new (or nearly new and slacking) user.
sub user_start
sub start
{
my $self = shift;
my $user = $self->{user};
my $call = $self->{call};
my $name = $self->{name};
$name = $call if !defined $name;
$self->{normal} = \&user_normal; # rfu for now
$self->{finish} = \&user_finish;
$self->msg('l2',$name);
$self->send_file($main::motd) if (-e $main::motd);
$self->msg('pr', $call);
@ -41,40 +43,50 @@ sub user_start
#
# This is the normal command prompt driver
#
sub user_normal
sub normal
{
my $self = shift;
my $user = $self->{user};
my $call = $self->{call};
my $cmd = shift;
my $cmdline = shift;
# read in the list of valid commands, note that the commands themselves are cached elsewhere
scan_cmd_dirs if (!defined %cmd);
# strip out //
$cmdline =~ s|//|/|og;
# strip out any nasty characters like $@%&|. and double // etc.
$cmd =~ s/[%\@\$&\\.`~]//og;
$cmd =~ s|//|/|og;
# split the command up into parts
my @part = split /[\/\b]+/, $cmd;
# split the command line up into parts, the first part is the command
my ($cmd, $args) = $cmdline =~ /^([\w\/]+)\s*(.*)/o;
# the bye command - temporary probably
if ($part[0] =~ /^b/io) {
$self->user_finish();
$self->state('bye');
return;
if ($cmd) {
# first expand out the entry to a command
$cmd = search($cmd);
my @ans = $self->eval_file($main::localcmd, $cmd, $args);
@ans = $self->eval_file($main::cmd, $cmd, $args) if !$ans[0];
if ($ans[0]) {
shift @ans;
$self->send(@ans) if @ans > 0;
} else {
shift @ans;
if (@ans > 0) {
$self->msg('e2', @ans);
} else {
$self->msg('e1');
}
}
} else {
$self->msg('e1');
}
# first expand out the entry to a command, note that I will accept
# anything in any case with any (reasonable) seperator
$self->prompt();
# send a prompt only if we are in a prompt state
$self->prompt() if $self->{state} =~ /^prompt/o;
}
#
# This is called from inside the main cluster processing loop and is used
# for despatching commands that are doing some long processing job
#
sub user_process
sub process
{
}
@ -82,7 +94,7 @@ sub user_process
#
# finish up a user context
#
sub user_finish
sub finish
{
}
@ -95,24 +107,18 @@ sub prompt
{
my $self = shift;
my $call = $self->{call};
$self->msg('pr', $call);
DXChannel::msg($self, 'pr', $call);
}
#
# scan the command directories to see if things have changed
#
# If they have remake the command list
#
# There are two command directories a) the standard one and b) the local one
# The local one overides the standard one
# search for the command in the cache of short->long form commands
#
sub scan_cmd_dirs
sub search
{
my $self = shift;
}
my $short_cmd = shift;
return $short_cmd; # just return it for now
}
#
# the persistant execution of things from the command directories
@ -124,8 +130,6 @@ sub scan_cmd_dirs
#
#require Devel::Symdump;
use strict;
use vars '%Cache';
sub valid_package_name {
my($string) = @_;
@ -135,8 +139,8 @@ sub valid_package_name {
$string =~ s|/(\d)|sprintf("/_%2x",unpack("C",$1))|eg;
#Dress it up as a real package name
$string =~ s|/|::|g;
return "DXEmbed" . $string;
$string =~ s|/|_|g;
return "Emb_" . $string;
}
#borrowed from Safe.pm
@ -145,7 +149,7 @@ sub delete_package {
my ($stem, $leaf);
no strict 'refs';
$pkg = "main::$pkg\::"; # expand to full symbol table name
$pkg = "DXChannel::$pkg\::"; # expand to full symbol table name
($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
my $stem_symtab = *{$stem}{HASH};
@ -154,11 +158,15 @@ sub delete_package {
}
sub eval_file {
my($self, $path, $cmdname) = @_;
my $self = shift;
my $path = shift;
my $cmdname = shift;
my $package = valid_package_name($cmdname);
my $filename = "$path/$cmdname";
my $mtime = -M $filename;
my @r;
# return if we can't find it
return (0, DXM::msg('e1')) if !defined $mtime;
if(defined $Cache{$package}{mtime} && $Cache{$package}{mtime } <= $mtime) {
#we have compiled this subroutine already,
@ -167,33 +175,37 @@ sub eval_file {
;
} else {
local *FH;
open FH, $filename or die "open '$filename' $!";
if (!open FH, $filename) {
return (0, "Syserr: can't open '$filename' $!");
};
local($/) = undef;
my $sub = <FH>;
close FH;
#wrap the code into a subroutine inside our unique package
my $eval = qq{package $package; sub handler { $sub; }};
my $eval = qq{package DXChannel; sub $package { $sub; }};
print "eval $eval\n";
{
#hide our variables within this block
my($filename,$mtime,$package,$sub);
eval $eval;
}
if ($@) {
$self->send("Eval err $@ on $package");
delete_package($package);
return undef;
return (0, "Syserr: Eval err $@ on $package");
}
#cache it unless we're cleaning out each time
$Cache{$package}{mtime} = $mtime;
}
@r = eval {$package->handler;};
my @r;
my $c = qq{ \@r = \$self->$package(\@_); };
print "c = $c\n";
eval $c; ;
if ($@) {
$self->send("Eval err $@ on cached $package");
delete_package($package);
return undef;
return (0, "Syserr: Eval err $@ on cached $package");
}
#take a look if you want

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@ -24,6 +24,8 @@ require Exporter;
l1 => 'Sorry $_[0], you are already logged on on another channel',
l2 => 'Hello $_[0], this is $main::mycall located in $main::myqth',
pr => '$_[0] de $main::mycall $main::cldate $main::ztime >',
e1 => 'Invalid command',
e2 => 'Error: $_[0]',
);
sub msg

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@ -9,6 +9,8 @@
package DXProt;
@ISA = qw(DXChannel);
use DXUtil;
use DXChannel;
use DXUser;
@ -17,17 +19,15 @@ use DXM;
# this is how a pc connection starts (for an incoming connection)
# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
# all the crap that comes between).
sub pc_start
sub start
{
my $self = shift;
$self->{normal} = \&pc_normal;
$self->{finish} = \&pc_finish;
}
#
# This is the normal pcxx despatcher
#
sub pc_normal
sub normal
{
}
@ -36,7 +36,7 @@ sub pc_normal
# This is called from inside the main cluster processing loop and is used
# for despatching commands that are doing some long processing job
#
sub pc_process
sub process
{
}
@ -44,7 +44,7 @@ sub pc_process
#
# finish up a pc context
#
sub pc_clean
sub finish
{
}

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@ -29,12 +29,24 @@ $filename = undef;
qra => 'Locator',
email => 'E-mail Address',
priv => 'Privilege Level',
sort => 'Type of User',
lastin => 'Last Time in',
passwd => 'Password',
addr => 'Full Address'
addr => 'Full Address',
'sort' => 'Type of User', # A - ak1a, U - User, S - spider cluster, B - BBS
);
sub AUTOLOAD
{
my $self = shift;
my $name = $AUTOLOAD;
return if $name =~ /::DESTROY$/;
$name =~ s/.*:://o;
die "Non-existant field '$AUTOLOAD'" if !$valid{$name};
@_ ? $self->{$name} = shift : $self->{$name} ;
}
#
# initialise the system
#
@ -125,13 +137,13 @@ sub elements
}
#
# return a prompt together with the existing value
# return a prompt for a field
#
sub prompt
{
my ($self, $ele) = @_;
return "$valid{$ele} [$self->{$ele}]";
return $valid{$ele};
}
#
@ -167,5 +179,12 @@ sub enter
}
return 0;
}
# some variable accessors
sub sort
{
my $self = shift;
@_ ? $self->{sort} = shift : $self->{sort} ;
}
1;
__END__

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@ -33,11 +33,7 @@ sub disconnect
return if !defined $dxchan;
my $user = $dxchan->{user};
my $conn = $dxchan->{conn};
if ($user->{sort} eq 'A') { # and here (when I find out how to write it!)
$dxchan->pc_finish();
} else {
$dxchan->user_finish();
}
$dxchan->finish();
$user->close() if defined $user;
$conn->disconnect() if defined $conn;
$dxchan->del();
@ -59,7 +55,11 @@ sub rec
my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
my $user = DXUser->get($call);
$user = DXUser->new($call) if !defined $user;
$dxchan = DXChannel->new($call, $conn, $user);
$user->sort('U') if (!$user->sort());
my $sort = $user->sort();
$dxchan = DXCommandmode->new($call, $conn, $user) if ($sort eq 'U');
$dxchan = DXProt->new($call, $conn, $user) if ($sort eq 'A');
die "Invalid sort of user on $call = $sort" if !$dxchan;
}
# queue the message and the channel object for later processing
@ -102,21 +102,12 @@ sub process_inqueue
print "<- $sort $call $line\n";
# handle A records
my $user = $dxchan->{user};
my $user = $dxchan->user;
if ($sort eq 'A') {
$user->{sort} = 'U' if !defined $user->{sort};
if ($user->{sort} eq 'A') {
$dxchan->pc_start($line);
} else {
$dxchan->user_start($line);
}
$dxchan->start($line);
} elsif ($sort eq 'D') {
die "\$user not defined for $call" if !defined $user;
if ($user->{sort} eq 'A') { # we will have a symbolic ref to a proc here
$dxchan->pc_normal($line);
} else {
$dxchan->user_normal($line);
}
$dxchan->normal($line);
disconnect($dxchan) if ($dxchan->{state} eq 'bye');
} elsif ($sort eq 'Z') {
disconnect($dxchan);
@ -158,7 +149,7 @@ for (;;) {
$ztime = &ztime();
}
process_inqueue(); # read in lines from the input queue and despatch them
DXCommandmode::user_process(); # process ongoing command mode stuff
DXProt::pc_process(); # process ongoing ak1a pcxx stuff
DXCommandmode::process(); # process ongoing command mode stuff
DXProt::process(); # process ongoing ak1a pcxx stuff
}