diff options
| -rw-r--r-- | COPYING | 5 | ||||
| -rw-r--r-- | COPYING.FONT | 281 | ||||
| -rw-r--r-- | WISHLIST | 2 | ||||
| -rw-r--r-- | font.png | bin | 0 -> 14883 bytes | |||
| -rwxr-xr-x | loadbars.pl | 153 |
5 files changed, 369 insertions, 72 deletions
@@ -1,4 +1,4 @@ -# loadbars (c) 2010, Dipl.-Inform. (FH) Paul Buetow +# loadbars (c) 2010, 2011 Dipl.-Inform. (FH) Paul Buetow # # E-Mail: loadbars@mx.buetow.org WWW: http://loadbars.buetow.org # @@ -26,3 +26,6 @@ # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. + +The font.png has its own license (see COPYING.FONT). It has been taken +from the freedroid project (www.freedroid.org). diff --git a/COPYING.FONT b/COPYING.FONT new file mode 100644 index 0000000..84c2682 --- /dev/null +++ b/COPYING.FONT @@ -0,0 +1,281 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. And you must show them these terms so they know their +rights. + + We protect your rights with two steps: (1) copyright the software, and +(2) offer you this license which gives you legal permission to copy, +distribute and/or modify the software. + + Also, for each author's protection and ours, we want to make certain +that everyone understands that there is no warranty for this free +software. If the software is modified by someone else and passed on, we +want its recipients to know that what they have is not the original, so +that any problems introduced by others will not reflect on the original +authors' reputations. + + Finally, any free program is threatened constantly by software +patents. We wish to avoid the danger that redistributors of a free +program will individually obtain patent licenses, in effect making the +program proprietary. To prevent this, we have made it clear that any +patent must be licensed for everyone's free use or not licensed at all. + + The precise terms and conditions for copying, distribution and +modification follow. + + GNU GENERAL PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. This License applies to any program or other work which contains +a notice placed by the copyright holder saying it may be distributed +under the terms of this General Public License. The "Program", below, +refers to any such program or work, and a "work based on the Program" +means either the Program or any derivative work under copyright law: +that is to say, a work containing the Program or a portion of it, +either verbatim or with modifications and/or translated into another +language. (Hereinafter, translation is included without limitation in +the term "modification".) Each licensee is addressed as "you". + +Activities other than copying, distribution and modification are not +covered by this License; they are outside its scope. The act of +running the Program is not restricted, and the output from the Program +is covered only if its contents constitute a work based on the +Program (independent of having been made by running the Program). +Whether that is true depends on what the Program does. + + 1. You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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But when you +distribute the same sections as part of a whole which is a work based +on the Program, the distribution of the whole must be on the terms of +this License, whose permissions for other licensees extend to the +entire whole, and thus to each and every part regardless of who wrote it. + +Thus, it is not the intent of this section to claim rights or contest +your rights to work written entirely by you; rather, the intent is to +exercise the right to control the distribution of derivative or +collective works based on the Program. + +In addition, mere aggregation of another work not based on the Program +with the Program (or with a work based on the Program) on a volume of +a storage or distribution medium does not bring the other work under +the scope of this License. + + 3. You may copy and distribute the Program (or a work based on it, +under Section 2) in object code or executable form under the terms of +Sections 1 and 2 above provided that you also do one of the following: + + a) Accompany it with the complete corresponding machine-readable + source code, which must be distributed under the terms of Sections + 1 and 2 above on a medium customarily used for software interchange; or, + + b) Accompany it with a written offer, valid for at least three + years, to give any third party, for a charge no more than your + cost of physically performing source distribution, a complete + machine-readable copy of the corresponding source code, to be + distributed under the terms of Sections 1 and 2 above on a medium + customarily used for software interchange; or, + + c) Accompany it with the information you received as to the offer + to distribute corresponding source code. (This alternative is + allowed only for noncommercial distribution and only if you + received the program in object code or executable form with such + an offer, in accord with Subsection b above.) + +The source code for a work means the preferred form of the work for +making modifications to it. For an executable work, complete source +code means all the source code for all modules it contains, plus any +associated interface definition files, plus the scripts used to +control compilation and installation of the executable. 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Any attempt +otherwise to copy, modify, sublicense or distribute the Program is +void, and will automatically terminate your rights under this License. +However, parties who have received copies, or rights, from you under +this License will not have their licenses terminated so long as such +parties remain in full compliance. + + 5. You are not required to accept this License, since you have not +signed it. However, nothing else grants you permission to modify or +distribute the Program or its derivative works. These actions are +prohibited by law if you do not accept this License. Therefore, by +modifying or distributing the Program (or any work based on the +Program), you indicate your acceptance of this License to do so, and +all its terms and conditions for copying, distributing or modifying +the Program or works based on it. + + 6. Each time you redistribute the Program (or any work based on the +Program), the recipient automatically receives a license from the +original licensor to copy, distribute or modify the Program subject to +these terms and conditions. You may not impose any further +restrictions on the recipients' exercise of the rights granted herein. +You are not responsible for enforcing compliance by third parties to +this License. + + 7. If, as a consequence of a court judgment or allegation of patent +infringement or for any other reason (not limited to patent issues), +conditions are imposed on you (whether by court order, agreement or +otherwise) that contradict the conditions of this License, they do not +excuse you from the conditions of this License. If you cannot +distribute so as to satisfy simultaneously your obligations under this +License and any other pertinent obligations, then as a consequence you +may not distribute the Program at all. For example, if a patent +license would not permit royalty-free redistribution of the Program by +all those who receive copies directly or indirectly through you, then +the only way you could satisfy both it and this License would be to +refrain entirely from distribution of the Program. + +If any portion of this section is held invalid or unenforceable under +any particular circumstance, the balance of the section is intended to +apply and the section as a whole is intended to apply in other +circumstances. + +It is not the purpose of this section to induce you to infringe any +patents or other property right claims or to contest validity of any +such claims; this section has the sole purpose of protecting the +integrity of the free software distribution system, which is +implemented by public license practices. Many people have made +generous contributions to the wide range of software distributed +through that system in reliance on consistent application of that +system; it is up to the author/donor to decide if he or she is willing +to distribute software through any other system and a licensee cannot +impose that choice. + +This section is intended to make thoroughly clear what is believed to +be a consequence of the rest of this License. + + 8. If the distribution and/or use of the Program is restricted in +certain countries either by patents or by copyrighted interfaces, the +original copyright holder who places the Program under this License +may add an explicit geographical distribution limitation excluding +those countries, so that distribution is permitted only in or among +countries not thus excluded. In such case, this License incorporates +the limitation as if written in the body of this License. + + 9. The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + @@ -1,3 +1 @@ - Summarized CPU status, summarizing all involved servers -- Extended documentation for the website -- Final release v0.1 some day diff --git a/font.png b/font.png Binary files differnew file mode 100644 index 0000000..02e9eb1 --- /dev/null +++ b/font.png diff --git a/loadbars.pl b/loadbars.pl index 637ad8b..3e7e165 100755 --- a/loadbars.pl +++ b/loadbars.pl @@ -42,7 +42,8 @@ use SDL::Rect; use SDL::Color; use SDL::Event; -#use SDL::TTF qw(); +use SDL::Surface; +use SDL::Font; use Time::HiRes qw(usleep gettimeofday); @@ -52,12 +53,27 @@ use threads::shared; use constant { DEPTH => 8, PROMPT => 'loadbars> ', - VERSION => 'loadbars v0.1-beta8-pre6', + VERSION => 'loadbars v0.1.0', COPYRIGHT => '2010-2011 (c) Paul Buetow <loadbars@mx.buetow.org>', NULL => 0, MSG_SET_DIMENSION => 1, - MSG_TOGGLE_FULLSCREEN => 2, - MSG_DISPLAY_HELP => 3, + MSG_TOGGLE_TXT => 2, + FONT => SDL::Font->new('font.png'), + BLACK => SDL::Color->new(-r => 0x00, -g => 0x00, -b => 0x00), + BLUE => SDL::Color->new(-r => 0x00, -g => 0x00, -b => 0xff), + GREEN => SDL::Color->new(-r => 0x00, -g => 0x90, -b => 0x00), + ORANGE => SDL::Color->new(-r => 0xff, -g => 0x70, -b => 0x00), + PURPLE => SDL::Color->new(-r => 0xa0, -g => 0x20, -b => 0xf0), + RED => SDL::Color->new(-r => 0xff, -g => 0x00, -b => 0x00), + WHITE => SDL::Color->new(-r => 0xff, -g => 0xff, -b => 0xff), + YELLOW0 => SDL::Color->new(-r => 0xff, -g => 0xa0, -b => 0x00), + YELLOW => SDL::Color->new(-r => 0xff, -g => 0xc0, -b => 0x00), + SYSTEM_PURPLE => 30, + USER_WHITE => 99, + USER_RED => 90, + USER_ORANGE => 70, + USER_YELLOW0 => 50, + RESERVERD_HEIGHT => 50, }; $| = 1; @@ -72,7 +88,8 @@ my $MSG :shared; inter => 0.1, sshopts => '', cpuregexp => 'cpu', - toggle => 1, + toggletxt => 1, + togglecpu => 1, factor => 1, width => 1200, height => 200, @@ -119,7 +136,10 @@ BASH my $cmd = $host eq 'localhost' ? $bash : "ssh -o StrictHostKeyChecking=no $CONF{sshopts} $host '$bash'"; - my $pid = open2 my $out, my $in, $cmd or die "Error: $!\n"; + my $pid = open2 my $out, my $in, $cmd or do { + say "Warning: $!"; + return; + }; $SIG{STOP} = sub { say "Shutting down get_stat($host) & PID $pid"; @@ -183,12 +203,12 @@ sub wait_for_stats () { sleep 1 until %STATS; } -sub draw_background ($$$) { - my ($app, $colors, $rect) = @_; +sub draw_background ($$) { + my ($app, $rect) = @_; $rect->width($CONF{width}); $rect->height($CONF{height}); - $app->fill($rect, $colors->{black}); + $app->fill($rect, BLACK); $app->update($rect); } @@ -197,20 +217,8 @@ sub null ($) { return defined $arg ? $arg : 0; } -sub display_colors_help ($) { - my $colors = shift; - - my $help = SDL::App->new( - -width => 400, - -height => 400, - -depth => DEPTH, - -title => VERSION, - -resizeable => 0, - ); -} - -sub graph_stats ($$) { - my ($app, $colors) = @_; +sub graph_stats ($) { + my ($app) = @_; wait_for_stats; @@ -221,6 +229,7 @@ sub graph_stats ($$) { my %prev_stats; my %last_loads; my $rect_bg = SDL::Rect->new(); + my $display_txt = $CONF{toggletxt}; # Toggle CPUs $SIG{USR1} = sub { wait_for_stats }; @@ -231,13 +240,11 @@ sub graph_stats ($$) { $width = $CONF{width} / $num_stats - 1; $app->resize($CONF{width}, $CONF{height}); - # FS not yet supported - } elsif ($MSG == MSG_TOGGLE_FULLSCREEN) { - $app->fullscreen(); - - } elsif ($MSG == MSG_DISPLAY_HELP) { - display_colors_help($colors); + } elsif ($MSG == MSG_TOGGLE_TXT) { + $display_txt = $CONF{toggletxt}; } + + $MSG = NULL; }; my ($t1, $t2) = (Time::HiRes::time(), undef); @@ -254,7 +261,7 @@ sub graph_stats ($$) { $num_stats = $new_num_stats; $width = $CONF{width} / $num_stats - 1; - draw_background $app, $colors, $rect_bg; + draw_background $app, $rect_bg; } for my $key (sort keys %STATS) { @@ -318,17 +325,24 @@ sub graph_stats ($$) { my $system_n_user = sum @load_average{qw(user system)}; - $app->fill($rect_iowait, $colors->{black}); - $app->fill($rect_nice, $colors->{green}); - $app->fill($rect_system, $colors->{blue}); - $app->fill($rect_system, $load_average{system} > 30 - ? $colors->{purple} - : $colors->{blue}); - $app->fill($rect_user, $system_n_user > 99 ? $colors->{white} - : ($system_n_user > 90 ? $colors->{red} - : ($system_n_user > 70 ? $colors->{orange} - : ($system_n_user > 50 ? $colors->{yellow0} - : ($colors->{yellow}))))); + $app->fill($rect_iowait, BLACK); + $app->fill($rect_nice, GREEN); + $app->fill($rect_system, BLUE); + $app->fill($rect_system, $load_average{system} > SYSTEM_PURPLE + ? PURPLE + : BLUE); + $app->fill($rect_user, $system_n_user > USER_WHITE ? WHITE + : ($system_n_user > USER_RED ? RED + : ($system_n_user > USER_ORANGE ? ORANGE + : ($system_n_user > USER_YELLOW0 ? YELLOW0 + : (YELLOW))))); + + if ($display_txt) { + $app->print($x, 5, sprintf "%d%s", $load_average{nice}, 'ni'); + $app->print($x, 25, sprintf "%d%s", $load_average{user}, 'us'); + $app->print($x, 45, sprintf "%d%s", $load_average{system}, 'sy'); + $app->print($x, 65, sprintf "%d%s", $system_n_user, 'su'); + } $app->update($_) for $rect_nice, $rect_iowait, $rect_system, $rect_user; $x += $width + 1; @@ -351,30 +365,19 @@ TIMEKEEPER: sub thr_display_stats () { my $app = SDL::App->new( -width => $CONF{width}, - -height => $CONF{height}, + -height => $CONF{height}. -depth => DEPTH, -title => VERSION, -resizeable => 0, ); - my $colors = { - black => SDL::Color->new(-r => 0x00, -g => 0x00, -b => 0x00), - blue => SDL::Color->new(-r => 0x00, -g => 0x00, -b => 0xff), - green => SDL::Color->new(-r => 0x00, -g => 0x90, -b => 0x00), - orange => SDL::Color->new(-r => 0xff, -g => 0x70, -b => 0x00), - purple => SDL::Color->new(-r => 0xa0, -g => 0x20, -b => 0xf0), - red => SDL::Color->new(-r => 0xff, -g => 0x00, -b => 0x00), - white => SDL::Color->new(-r => 0xff, -g => 0xff, -b => 0xff), - yellow0 => SDL::Color->new(-r => 0xff, -g => 0xa0, -b => 0x00), - yellow => SDL::Color->new(-r => 0xff, -g => 0xc0, -b => 0x00), - }; - $SIG{STOP} = sub { say "Shutting down display_stats"; threads->exit(); }; - graph_stats $app, $colors;; + + graph_stats $app } sub send_message ($$) { @@ -402,17 +405,17 @@ sub stop_threads (@) { return undef; } -sub set_toggle_regexp () { - $CONF{cpuregexp} = $CONF{toggle} ? 'cpu ' : 'cpu'; +sub set_togglecpu_regexp () { + $CONF{cpuregexp} = $CONF{togglecpu} ? 'cpu ' : 'cpu'; return undef; } -sub toggle_cpus ($@) { +sub togglecpu ($@) { my ($display, @threads) = @_; - $CONF{toggle} = ! $CONF{toggle}; - set_toggle_regexp; + $CONF{togglecpu} = ! $CONF{togglecpu}; + set_togglecpu_regexp; $_->kill('USR1') for @threads; %STATS = (); @@ -421,15 +424,17 @@ sub toggle_cpus ($@) { return undef; } -sub toggle_fullscreen ($) { - my $display = shift; +sub toggletxt ($@) { + my ($display, @threads) = @_; - send_message $display, MSG_TOGGLE_FULLSCREEN; + $CONF{toggletxt} = ! $CONF{toggletxt}; + + $MSG = MSG_TOGGLE_TXT; + $display->kill('USR2'); return undef; } - sub set_value (*;*) { my ($key, $type) = @_; @@ -452,6 +457,7 @@ sub set_dimensions ($) { return 0; } + sub dispatch_table () { my $hosts = ''; @@ -469,10 +475,10 @@ sub dispatch_table () { hosts => { menupos => 4, help => 'Comma separated list of hosts', var => \$hosts, mode => 6, type => 's' }, inter => { menupos => 4, cmd => 'i', help => 'Set update interval in seconds (default 0.1)', mode => 7, type => 's' }, quit => { menupos => 5, cmd => 'q', help => 'Quit', mode => 1, cb => sub { -1 } }, - colorshelp => { menupos => 5, cmd => 'l', help => 'Shows colors', mode => 1, cb => sub { -1 } }, samples => { menupos => 4, cmd => 's', help => 'Set number of samples until ssh reconnects', mode => 7, type => 'i' }, sshopts => { menupos => 7, cmd => 'o', help => 'Set SSH options', mode => 7, type => 's' }, - toggle => { menupos => 4, cmd => '1', help => 'Toggle CPUs (0 or 1)', mode => 7, type => 'i', cb => \&toggle_cpus }, + togglecpu => { menupos => 4, cmd => '1', help => 'Toggle CPUs (0 or 1)', mode => 7, type => 'i', cb => \&togglecpu }, + toggletxt => { menupos => 4, cmd => '2', help => 'Toggle display text (0 or 1)', mode => 7, type => 'i', cb => \&toggletxt }, version => { menupos => 3, cmd => 'v', help => 'Print version', mode => 1, cb => sub { say VERSION . ' ' . COPYRIGHT } }, width => { menupos => 2, help => 'Set windows width', mode => 6, type => 'i' }, ); @@ -485,6 +491,14 @@ sub dispatch_table () { } keys %d; + my $textdesc = <<END; +Explonation text display: + ni = Nice cpu usage + us = User cpu usage + sy = System cpu sage + su = System & user cpu usage +END + my $closure = sub ($;$) { my ($arg, @rest) = @_; @@ -508,13 +522,14 @@ sub dispatch_table () { (exists $cb->{cb} ? $cb->{cb} : sub { set_value $cmd })->(@args); } elsif ($arg eq 'help') { - join "\n", map { + (join "\n", map { "$_\t- $d_by_short{$_}{help}" } grep { $d_by_short{$_}{mode} & 1 and exists $d_by_short{$_}{help} - } sort { $d_by_short{$a}{menupos} <=> $d_by_short{$b}{menupos} } sort keys %d_by_short + } sort { $d_by_short{$a}{menupos} <=> $d_by_short{$b}{menupos} } sort keys %d_by_short) + . "\n\n$textdesc"; } elsif ($arg eq 'usage') { join "\n", map { @@ -567,7 +582,7 @@ sub main () { exit 0; } - set_toggle_regexp; + set_togglecpu_regexp; my @hosts = split ',', $$hosts; |
