X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXDebug.pm;h=766dacbd2a01187c35941cfc1e047d164ab1d799;hb=b67b50de92dbf61ce939b42f7c74e30dc58eba41;hp=e19f309ca76cddb7285ed6b2aefa8aa7e2bfe1a7;hpb=d5b4190c36f130852973121042876af3c5642cd7;p=spider.git diff --git a/perl/DXDebug.pm b/perl/DXDebug.pm index e19f309c..766dacbd 100644 --- a/perl/DXDebug.pm +++ b/perl/DXDebug.pm @@ -11,31 +11,101 @@ package DXDebug; require Exporter; @ISA = qw(Exporter); -@EXPORT = qw(dbg dbgadd dbgsub dbglist isdbg); -@EXPORT_OK = qw(dbg dbgadd dbgsub dbglist isdbg); +@EXPORT = qw(dbginit dbgstore dbg dbgadd dbgsub dbglist dbgdump isdbg dbgclose confess croak cluck); use strict; use vars qw(%dbglevel $fp); -use FileHandle; use DXUtil; use DXLog (); -use Carp; +use Carp (); %dbglevel = (); -$fp = DXLog::new('debug', 'dat', 'd'); +$fp = undef; + +# Avoid generating "subroutine redefined" warnings with the following +# hack (from CGI::Carp): +if (!defined $DB::VERSION) { + local $^W=0; + eval qq( sub confess { + \$SIG{__DIE__} = 'DEFAULT'; + DXDebug::dbgstore(\$@, Carp::shortmess(\@_)); + exit(-1); + } + sub croak { + \$SIG{__DIE__} = 'DEFAULT'; + DXDebug::dbgstore(\$@, Carp::longmess(\@_)); + exit(-1); + } + sub carp { DXDebug::dbgstore(Carp::shortmess(\@_)); } + sub cluck { DXDebug::dbgstore(Carp::longmess(\@_)); } + ); + + CORE::die(Carp::shortmess($@)) if $@; +} else { + eval qq( sub confess { Carp::confess(\@_); }; + sub croak { Carp::croak(\@_); }; + sub cluck { Carp::cluck(\@_); }; + ); +} + + +sub dbgstore +{ + my $t = time; + for (@_) { + my $r = $_; + chomp $r; + my @l = split /\n/, $r; + for (@l) { + s/([\x00-\x08\x0B-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg; + print "$_\n" if defined \*STDOUT; + $fp->writeunix($t, "$t^$_"); + } + } +} + +sub dbginit +{ + # add sig{__DIE__} handling + if (!defined $DB::VERSION) { + $SIG{__WARN__} = sub { dbgstore($@, Carp::shortmess(@_)); }; + $SIG{__DIE__} = sub { dbgstore($@, Carp::longmess(@_)); }; + } + + $fp = DXLog::new('debug', 'dat', 'd'); +} + +sub dbgclose +{ + $SIG{__DIE__} = $SIG{__WARN__} = 'DEFAULT'; + $fp->close() if $fp; + undef $fp; +} sub dbg { my $l = shift; - if ($dbglevel{$l}) { - my @in = @_; - my $t = time; - for (@in) { - s/\n$//o; - s/\a//og; # beeps - print "$_\n" if defined \*STDOUT; - $fp->writeunix($t, "$t^$_"); + if ($fp && ($dbglevel{$l} || $l eq 'err')) { + dbgstore(@_); + } +} + +sub dbgdump +{ + my $l = shift; + my $m = shift; + if ($fp && ($dbglevel{$l} || $l eq 'err')) { + foreach my $l (@_) { + for (my $o = 0; $o < length $l; $o += 16) { + my $c = substr $l, $o, 16; + my $h = unpack "H*", $c; + $c =~ s/[\x00-\x1f\x7f-\xff]/./g; + my $left = 16 - length $c; + $h .= ' ' x (2 * $left) if $left > 0; + dbgstore($m . sprintf("%4d:", $o) . "$h $c"); + $m = ' ' x (length $m); + } } } } @@ -68,5 +138,23 @@ sub isdbg my $s = shift; return $dbglevel{$s}; } + +sub shortmess +{ + return Carp::shortmess(@_); +} + +sub longmess +{ + return Carp::longmess(@_); +} + 1; __END__ + + + + + + +