X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXCommandmode.pm;h=639820ad15fff7ce177f95432574a2df862769cd;hb=a9b7071fedfdb2150f3ef3d74e0d626b4f2dc0ea;hp=4ad01392dede6d82b09df9775084a0bf197247cd;hpb=4d3067793942b3f4518615906dde50db5b76464a;p=spider.git diff --git a/perl/DXCommandmode.pm b/perl/DXCommandmode.pm index 4ad01392..639820ad 100644 --- a/perl/DXCommandmode.pm +++ b/perl/DXCommandmode.pm @@ -26,10 +26,10 @@ use Carp; use strict; use vars qw(%Cache %cmd_cache $errstr %aliases); -%Cache = (); # cache of dynamically loaded routine's mod times -%cmd_cache = (); # cache of short names -$errstr = (); # error string from eval -%aliases = (); # aliases for (parts of) commands +%Cache = (); # cache of dynamically loaded routine's mod times +%cmd_cache = (); # cache of short names +$errstr = (); # error string from eval +%aliases = (); # aliases for (parts of) commands # # obtain a new connection this is derived from dxchannel @@ -37,9 +37,9 @@ $errstr = (); # error string from eval sub new { - my $self = DXChannel::alloc(@_); - $self->{sort} = 'U'; # in absence of how to find out what sort of an object I am - return $self; + my $self = DXChannel::alloc(@_); + $self->{sort} = 'U'; # in absence of how to find out what sort of an object I am + return $self; } # this is how a a connection starts, you get a hello message and the motd with @@ -48,40 +48,40 @@ sub new sub start { - my ($self, $line, $sort) = @_; - my $user = $self->{user}; - my $call = $self->{call}; - my $name = $user->{name}; - - $self->{name} = $name ? $name : $call; - $self->send($self->msg('l2',$self->{name})); - $self->send_file($main::motd) if (-e $main::motd); - $self->state('prompt'); # a bit of room for further expansion, passwords etc - $self->{priv} = $user->priv; - $self->{lang} = $user->lang; - $self->{pagelth} = 20; - $self->{priv} = 0 if $line =~ /^(ax|te)/; # set the connection priv to 0 - can be upgraded later - $self->{consort} = $line; # save the connection type - - # set some necessary flags on the user if they are connecting - $self->{wwv} = $self->{talk} = $self->{ann} = $self->{here} = $self->{dx} = 1; -# $self->prompt() if $self->{state} =~ /^prompt/o; - - # add yourself to the database - my $node = DXNode->get($main::mycall) or die "$main::mycall not allocated in DXNode database"; - my $cuser = DXNodeuser->new($self, $node, $call, 0, 1); - $node->dxchan($self) if $call eq $main::myalias; # send all output for mycall to myalias - - # issue a pc16 to everybody interested - my $nchan = DXChannel->get($main::mycall); - my @pc16 = DXProt::pc16($nchan, $cuser); - DXProt::broadcast_ak1a(@pc16); - Log('DXCommand', "$call connected"); - - # send prompts and things - my $info = DXCluster::cluster(); - $self->send("Cluster:$info"); - $self->send($self->msg('pr', $call)); + my ($self, $line, $sort) = @_; + my $user = $self->{user}; + my $call = $self->{call}; + my $name = $user->{name}; + + $self->{name} = $name ? $name : $call; + $self->send($self->msg('l2',$self->{name})); + $self->send_file($main::motd) if (-e $main::motd); + $self->state('prompt'); # a bit of room for further expansion, passwords etc + $self->{priv} = $user->priv; + $self->{lang} = $user->lang; + $self->{pagelth} = 20; + $self->{priv} = 0 if $line =~ /^(ax|te)/; # set the connection priv to 0 - can be upgraded later + $self->{consort} = $line; # save the connection type + + # set some necessary flags on the user if they are connecting + $self->{beep} = $self->{wwv} = $self->{talk} = $self->{ann} = $self->{here} = $self->{dx} = 1; + # $self->prompt() if $self->{state} =~ /^prompt/o; + + # add yourself to the database + my $node = DXNode->get($main::mycall) or die "$main::mycall not allocated in DXNode database"; + my $cuser = DXNodeuser->new($self, $node, $call, 0, 1); + $node->dxchan($self) if $call eq $main::myalias; # send all output for mycall to myalias + + # issue a pc16 to everybody interested + my $nchan = DXChannel->get($main::mycall); + my @pc16 = DXProt::pc16($nchan, $cuser); + DXProt::broadcast_ak1a(@pc16); + Log('DXCommand', "$call connected"); + + # send prompts and things + my $info = DXCluster::cluster(); + $self->send("Cluster:$info"); + $self->send($self->msg('pr', $call)); } # @@ -111,10 +111,10 @@ sub normal # send a tranche of data while ($i-- > 0 && @$ref) { my $line = shift @$ref; - $line =~ s/\s+$//o; # why am having to do this? + $line =~ s/\s+$//o; # why am having to do this? $self->send($line); } - + # reset state if none or else chuck out an intermediate prompt if ($ref && @$ref) { $tot -= $self->{pagelth}; @@ -124,12 +124,12 @@ sub normal } } else { @ans = run_cmd($self, $cmdline) if length $cmdline; - + if ($self->{pagelth} && @ans > $self->{pagelth}) { my $i; for ($i = $self->{pagelth}; $i-- > 0; ) { my $line = shift @ans; - $line =~ s/\s+$//o; # why am having to do this? + $line =~ s/\s+$//o; # why am having to do this? $self->send($line); } $self->{pagedata} = \@ans; @@ -137,7 +137,7 @@ sub normal $self->send($self->msg('page', scalar @ans)); } else { for (@ans) { - s/\s+$//o; # why ????????? + s/\s+$//o; # why ????????? $self->send($_); } } @@ -173,26 +173,33 @@ sub run_cmd $cmdline =~ s|//|/|og; # split the command line up into parts, the first part is the command - my ($cmd, $args) = $cmdline =~ /^([\w\/]+)\s*(.*)/o; + my ($cmd, $args) = $cmdline =~ /^([\S\/]+)\s*(.*)/o; if ($cmd) { my ($path, $fcmd); + dbg('command', "cmd: $cmd"); + # alias it if possible my $acmd = CmdAlias::get_cmd($cmd); if ($acmd) { ($cmd, $args) = "$acmd $args" =~ /^([\w\/]+)\s*(.*)/o; + dbg('command', "aliased cmd: $cmd $args"); } # first expand out the entry to a command ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; + + dbg('command', "path: $cmd cmd: $fcmd"); my $package = find_cmd_name($path, $fcmd); @ans = (0) if !$package ; if ($package) { + dbg('command', "package: $package"); + my $c = qq{ \@ans = $package(\$self, \$args) }; dbg('eval', "cluster cmd = $c\n"); eval $c; @@ -202,7 +209,7 @@ sub run_cmd } } } - + if ($ans[0]) { shift @ans; } else { @@ -222,19 +229,19 @@ sub run_cmd # sub process { - my $t = time; - my @chan = DXChannel->get_all(); - my $chan; - - foreach $chan (@chan) { - next if $chan->sort ne 'U'; - - # send a prompt if no activity out on this channel - if ($t >= $chan->t + $main::user_interval) { - $chan->prompt() if $chan->{state} =~ /^prompt/o; - $chan->t($t); + my $t = time; + my @chan = DXChannel->get_all(); + my $chan; + + foreach $chan (@chan) { + next if $chan->sort ne 'U'; + + # send a prompt if no activity out on this channel + if ($t >= $chan->t + $main::user_interval) { + $chan->prompt() if $chan->{state} =~ /^prompt/o; + $chan->t($t); + } } - } } # @@ -242,22 +249,22 @@ sub process # sub finish { - my $self = shift; - my $call = $self->call; - - if ($call eq $main::myalias) { # unset the channel if it is us really - my $node = DXNode->get($main::mycall); - $node->{dxchan} = 0; - } - my $ref = DXNodeuser->get($call); - - # issue a pc17 to everybody interested - my $nchan = DXChannel->get($main::mycall); - my $pc17 = $nchan->pc17($self); - DXProt::broadcast_ak1a($pc17); - - Log('DXCommand', "$call disconnected"); - $ref->del() if $ref; + my $self = shift; + my $call = $self->call; + + if ($call eq $main::myalias) { # unset the channel if it is us really + my $node = DXNode->get($main::mycall); + $node->{dxchan} = 0; + } + my $ref = DXNodeuser->get($call); + + # issue a pc17 to everybody interested + my $nchan = DXChannel->get($main::mycall); + my $pc17 = $nchan->pc17($self); + DXProt::broadcast_ak1a($pc17); + + Log('DXCommand', "$call disconnected"); + $ref->del() if $ref; } # @@ -266,40 +273,40 @@ sub finish sub prompt { - my $self = shift; - my $call = $self->{call}; - $self->send($self->msg('pr', $call)); - #DXChannel::msg($self, 'pr', $call); + my $self = shift; + my $call = $self->{call}; + $self->send($self->msg('pr', $call)); + #DXChannel::msg($self, 'pr', $call); } # broadcast a message to all users [except those mentioned after buffer] sub broadcast { - my $pkg = shift; # ignored - my $s = shift; # the line to be rebroadcast - my @except = @_; # to all channels EXCEPT these (dxchannel refs) - my @list = DXChannel->get_all(); # just in case we are called from some funny object - my ($chan, $except); - -L: foreach $chan (@list) { - next if !$chan->sort eq 'U'; # only interested in user channels - foreach $except (@except) { - next L if $except == $chan; # ignore channels in the 'except' list - } - chan->send($s); # send it - } + my $pkg = shift; # ignored + my $s = shift; # the line to be rebroadcast + my @except = @_; # to all channels EXCEPT these (dxchannel refs) + my @list = DXChannel->get_all(); # just in case we are called from some funny object + my ($chan, $except); + + L: foreach $chan (@list) { + next if !$chan->sort eq 'U'; # only interested in user channels + foreach $except (@except) { + next L if $except == $chan; # ignore channels in the 'except' list + } + chan->send($s); # send it + } } # gimme all the users sub get_all { - my @list = DXChannel->get_all(); - my $ref; - my @out; - foreach $ref (@list) { - push @out, $ref if $ref->sort eq 'U'; - } - return @out; + my @list = DXChannel->get_all(); + my $ref; + my @out; + foreach $ref (@list) { + push @out, $ref if $ref->sort eq 'U'; + } + return @out; } # @@ -308,64 +315,67 @@ sub get_all sub search { - my ($path, $short_cmd, $suffix) = @_; - my ($apath, $acmd); - - # commands are lower case - $short_cmd = lc $short_cmd; - dbg('command', "command: $path $short_cmd\n"); - - # return immediately if we have it - my ($apath, $acmd) = split ',', $cmd_cache{$short_cmd}; - if ($apath && $acmd) { - dbg('command', "cached $short_cmd = ($apath, $acmd)\n"); - return ($apath, $acmd); - } - - # if not guess - my @parts = split '/', $short_cmd; - my $dirfn; - my $curdir = $path; - my $p; - my $i; - my @lparts; - - for ($i = 0; $i < @parts; $i++) { - my $p = $parts[$i]; - opendir(D, $curdir) or confess "can't open $curdir $!"; - my @ls = readdir D; - closedir D; - my $l; - foreach $l (sort @ls) { - next if $l =~ /^\./; - if ($i < $#parts) { # we are dealing with directories - if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) { - dbg('command', "got dir: $curdir/$l\n"); - $dirfn .= "$l/"; - $curdir .= "/$l"; - last; - } - } else { # we are dealing with commands - @lparts = split /\./, $l; - next if $lparts[$#lparts] ne $suffix; # only look for .$suffix files - if ($p eq substr($l, 0, length $p)) { - pop @lparts; # remove the suffix - $l = join '.', @lparts; -# chop $dirfn; # remove trailing / - $cmd_cache{"$short_cmd"} = join(',', ($path, "$dirfn$l")); # cache it - dbg('command', "got path: $path cmd: $dirfn$l\n"); - return ($path, "$dirfn$l"); + my ($path, $short_cmd, $suffix) = @_; + my ($apath, $acmd); + + # commands are lower case + $short_cmd = lc $short_cmd; + dbg('command', "command: $path $short_cmd\n"); + + # do some checking for funny characters + return () if $short_cmd =~ /\/$/; + + # return immediately if we have it + my ($apath, $acmd) = split ',', $cmd_cache{$short_cmd}; + if ($apath && $acmd) { + dbg('command', "cached $short_cmd = ($apath, $acmd)\n"); + return ($apath, $acmd); + } + + # if not guess + my @parts = split '/', $short_cmd; + my $dirfn; + my $curdir = $path; + my $p; + my $i; + my @lparts; + + for ($i = 0; $i < @parts; $i++) { + my $p = $parts[$i]; + opendir(D, $curdir) or confess "can't open $curdir $!"; + my @ls = readdir D; + closedir D; + my $l; + foreach $l (sort @ls) { + next if $l =~ /^\./; + if ($i < $#parts) { # we are dealing with directories + if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) { + dbg('command', "got dir: $curdir/$l\n"); + $dirfn .= "$l/"; + $curdir .= "/$l"; + last; + } + } else { # we are dealing with commands + @lparts = split /\./, $l; + next if $lparts[$#lparts] ne $suffix; # only look for .$suffix files + if ($p eq substr($l, 0, length $p)) { + pop @lparts; # remove the suffix + $l = join '.', @lparts; + # chop $dirfn; # remove trailing / + $cmd_cache{"$short_cmd"} = join(',', ($path, "$dirfn$l")); # cache it + dbg('command', "got path: $path cmd: $dirfn$l\n"); + return ($path, "$dirfn$l"); + } + } } - } } - } - return (); + return (); } # clear the command name cache sub clear_cmd_cache { - %cmd_cache = (); + %cmd_cache = (); } # @@ -380,30 +390,30 @@ sub clear_cmd_cache #require Devel::Symdump; sub valid_package_name { - my($string) = @_; - $string =~ s/([^A-Za-z0-9\/])/sprintf("_%2x",unpack("C",$1))/eg; - - #second pass only for words starting with a digit - $string =~ s|/(\d)|sprintf("/_%2x",unpack("C",$1))|eg; + my($string) = @_; + $string =~ s/([^A-Za-z0-9\/])/sprintf("_%2x",unpack("C",$1))/eg; - #Dress it up as a real package name - $string =~ s/\//_/og; - return "Emb_" . $string; + #second pass only for words starting with a digit + $string =~ s|/(\d)|sprintf("/_%2x",unpack("C",$1))|eg; + + #Dress it up as a real package name + $string =~ s/\//_/og; + return "Emb_" . $string; } #borrowed from Safe.pm sub delete_package { - my $pkg = shift; - my ($stem, $leaf); + my $pkg = shift; + my ($stem, $leaf); + + no strict 'refs'; + $pkg = "DXCommandmode::$pkg\::"; # expand to full symbol table name + ($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/; - no strict 'refs'; - $pkg = "DXCommandmode::$pkg\::"; # expand to full symbol table name - ($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/; - - if ($stem && $leaf) { - my $stem_symtab = *{$stem}{HASH}; - delete $stem_symtab->{$leaf}; - } + if ($stem && $leaf) { + my $stem_symtab = *{$stem}{HASH}; + delete $stem_symtab->{$leaf}; + } } # find a cmd reference @@ -416,87 +426,87 @@ sub delete_package { # sub find_cmd_ref { - my $cmd = shift; - my $r; - - if ($cmd) { - - # first expand out the entry to a command - my ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); - ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; - - # make sure it is loaded - $r = find_cmd_name($path, $fcmd); - } - return $r; + my $cmd = shift; + my $r; + + if ($cmd) { + + # first expand out the entry to a command + my ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); + ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; + + # make sure it is loaded + $r = find_cmd_name($path, $fcmd); + } + return $r; } # # this bit of magic finds a command in the offered directory sub find_cmd_name { - my $path = shift; - my $cmdname = shift; - my $package = valid_package_name($cmdname); - my $filename = "$path/$cmdname.pl"; - my $mtime = -M $filename; - - # return if we can't find it - $errstr = undef; - if (undef $mtime) { - $errstr = DXM::msg('e1'); - return undef; - } - - if(defined $Cache{$package}{mtime} && $Cache{$package}{mtime } <= $mtime) { - #we have compiled this subroutine already, - #it has not been updated on disk, nothing left to do - #print STDERR "already compiled $package->handler\n"; - ; - } else { - my $fh = new FileHandle; - if (!open $fh, $filename) { - $errstr = "Syserr: can't open '$filename' $!"; - return undef; - }; - local $/ = undef; - my $sub = <$fh>; - close $fh; - - #wrap the code into a subroutine inside our unique package - my $eval = qq{ - sub $package - { - $sub - } }; - - if (isdbg('eval')) { - my @list = split /\n/, $eval; - my $line; - for (@list) { - dbg('eval', $_, "\n"); - } - } + my $path = shift; + my $cmdname = shift; + my $package = valid_package_name($cmdname); + my $filename = "$path/$cmdname.pl"; + my $mtime = -M $filename; - { - #hide our variables within this block - my($filename,$mtime,$package,$sub); - eval $eval; + # return if we can't find it + $errstr = undef; + if (undef $mtime) { + $errstr = DXM::msg('e1'); + return undef; } - if ($@) { - print "\$\@ = $@"; - $errstr = $@; - delete_package($package); + if(defined $Cache{$package}{mtime} && $Cache{$package}{mtime } <= $mtime) { + #we have compiled this subroutine already, + #it has not been updated on disk, nothing left to do + #print STDERR "already compiled $package->handler\n"; + ; } else { - #cache it unless we're cleaning out each time - $Cache{$package}{mtime} = $mtime; + my $fh = new FileHandle; + if (!open $fh, $filename) { + $errstr = "Syserr: can't open '$filename' $!"; + return undef; + }; + local $/ = undef; + my $sub = <$fh>; + close $fh; + + #wrap the code into a subroutine inside our unique package + my $eval = qq{ + sub $package + { + $sub + } }; + + if (isdbg('eval')) { + my @list = split /\n/, $eval; + my $line; + for (@list) { + dbg('eval', $_, "\n"); + } + } + + { + #hide our variables within this block + my($filename,$mtime,$package,$sub); + eval $eval; + } + + if ($@) { + print "\$\@ = $@"; + $errstr = $@; + delete_package($package); + } else { + #cache it unless we're cleaning out each time + $Cache{$package}{mtime} = $mtime; + } } - } - - #print Devel::Symdump->rnew($package)->as_string, $/; - $package = "DXCommandmode::$package" if $package; - $package = undef if $errstr; - return $package; + + #print Devel::Symdump->rnew($package)->as_string, $/; + $package = "DXCommandmode::$package" if $package; + $package = undef if $errstr; + return $package; } 1;