/[Sack]/trunk/bin/sack.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/bin/sack.pl

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Revision 26 - (show annotations)
Tue Sep 22 21:45:04 2009 UTC (14 years, 8 months ago) by dpavlin
File MIME type: text/plain
File size: 6604 byte(s)
no backtrace from warn
1 #!/usr/bin/perl
2
3 use warnings;
4 use strict;
5
6 our $VERSION = '0.01';
7
8 use Time::HiRes qw(time);
9 use Data::Dump qw(dump);
10 use File::Slurp;
11 use Getopt::Long;
12 use IO::Socket::INET;
13 use Storable qw/freeze thaw/;
14
15
16 my $debug = 0;
17 my $path = '/data/isi/full.txt';
18 my $limit = 5000;
19 my $offset = 0;
20 my @views;
21 my $listen = 0; # off
22 my @nodes;
23
24
25 GetOptions(
26 'path=s' => \$path,
27 'offset=i' => \$offset,
28 'limit=i' => \$limit,
29 'view=s' => \@views,
30 'listen|port=i' => \$listen,
31 'connect=s' => \@nodes,
32 'debug!' => \$debug,
33 ) or die $!;
34
35 my $t = time;
36
37
38 sub send_nodes;
39
40 our $prefix;
41 sub BEGIN {
42 $prefix = $0;
43 if ( $prefix =~ s{^./}{} ) {
44 chomp( my $pwd = `pwd` );
45 $prefix = "$pwd/$prefix";
46 }
47 $prefix =~ s{^(.*)/srv/Sack/bin.+$}{$1};
48 warn "# prefix $prefix";
49
50 $SIG{INT} = sub {
51 my $signame = shift;
52 send_nodes 'exit';
53 die "SIG$signame";
54 };
55 }
56
57
58 use lib "$prefix/srv/webpac2/lib/";
59 use WebPAC::Input::ISI;
60
61 $WebPAC::Input::ISI::subfields = undef; # disable parsing of subfields
62
63 my $input = WebPAC::Input::ISI->new(
64 path => "$prefix/$path",
65 offset => $offset,
66 limit => $limit,
67 );
68
69 our $num_records = $input->size;
70
71 sub report {
72 my $description = shift;
73 my $dt = time - $t;
74 printf "%s in %1.4fs %.2f/s\n", $description, $dt, $input->size / $dt;
75 $t = time;
76 }
77
78
79 report $input->size . ' records loaded';
80
81 mkdir 'out' unless -e 'out';
82
83 our $out;
84
85 our $cache;
86
87 our $connected;
88
89 sub send_nodes {
90 my $content = $#_ > 0 ? pop @_ : ''; # no content with just one argument!
91 my $header = defined $content ? length($content) : 0;
92 $header .= ' ' . join(' ', @_) if @_;
93
94 foreach my $node ( @nodes ) {
95
96 my $sock = IO::Socket::INET->new(
97 PeerAddr => $node,
98 Proto => 'tcp',
99 );
100
101 if ( ! $sock ) {
102 warn "can't connect to $node - $!"; # FIXME die?
103 next;
104 }
105
106 print ">>>> $listen $node $header\n";
107 print $sock "$header\n$content" || warn "can't send $header to $node: $!";
108
109 $connected->{$node} = $sock;
110 }
111 }
112
113 sub get_node {
114 my $node = shift;
115
116 my $sock = $connected->{$node};
117 if ( ! $sock ) {
118 warn "ERROR: lost connection to $node";
119 delete $connected->{$node};
120 return;
121 }
122 chomp( my $size = <$sock> );
123 warn "<<<< $listen $node $size bytes\n";
124 my $data;
125 read $sock, $data, $size;
126 return $data;
127 }
128
129 sub send_sock {
130 my ( $sock, $data ) = @_;
131 my $size = length $data;
132 warn ">>>> $listen ", $sock->peerhost, " $size bytes\n";
133 print $sock "$size\n$data" || warn "can't send $size bytes to ", $sock->peerhost;
134 }
135
136 sub merge_out {
137 my $new = shift;
138
139 foreach my $k1 ( keys %$new ) {
140
141 foreach my $k2 ( keys %{ $new->{$k1} } ) {
142
143 my $n = $new->{$k1}->{$k2};
144 my $ref = ref $out->{$k1}->{$k2};
145
146 if ( ! defined $out->{$k1}->{$k2} ) {
147 $out->{$k1}->{$k2} = $n;
148 } elsif ( $k1 =~ m{\+} ) {
149 # warn "## agregate $k1 $k2";
150 $out->{$k1}->{$k2} += $n;
151 } elsif ( $ref eq 'ARRAY' ) {
152 if ( ref $n eq 'ARRAY' ) {
153 push @{ $out->{$k1}->{$k2} }, $_ foreach @$n;
154 } else {
155 push @{ $out->{$k1}->{$k2} }, $n;
156 }
157 } elsif ( $ref eq '' ) {
158 $out->{$k1}->{$k2} = [ $out->{$k1}->{$k2}, $n ];
159 } else {
160 die "can't merge $k2 [$ref] from ",dump($n), " into ", dump($out->{$k1}->{$k2});
161 }
162 }
163 }
164
165 warn "## merge out ", dump $out if $debug;
166 }
167
168 sub run_code {
169 my ( $view, $code ) = @_;
170
171 warn "\n#### CODE $view START ####\n$code\n#### CODE $view END ####\n" if $debug;
172
173 send_nodes view => $view => $code;
174
175 undef $out;
176
177 my $affected = 0;
178 $t = time;
179
180 foreach my $pos ( $offset + 1 .. $offset + $input->size ) {
181 my $rec = $cache->{$pos} ||= $input->fetch_rec( $pos );
182 if ( ! $rec ) {
183 warn "END at $pos";
184 last;
185 }
186
187 eval "$code";
188 if ( $@ ) {
189 warn "ABORT [$pos] $@\n";
190 last;
191 } else {
192 $affected++;
193 }
194 };
195
196 report "$affected affected records $view";
197
198 warn "WARN no \$out defined!" unless defined $out;
199
200 if ( $connected ) {
201 foreach my $node ( keys %$connected ) {
202 warn "# $listen get_node $node\n";
203 my $o = get_node $node;
204 my $s = length $o;
205 $o = thaw $o;
206 warn "# $listen merge $s bytes\n";
207 merge_out $o;
208 }
209 }
210 }
211
212 sub run_views {
213 @views = sort glob 'views/*.pl' unless @views;
214 warn "# views ", dump @views;
215
216 foreach my $view ( @views ) {
217
218 next if system("perl -c $view") != 0;
219
220 my $code = read_file $view;
221
222 run_code $view => $code;
223
224 if ( defined $out ) {
225 my $dump = dump $out;
226 my $len = length $dump;
227
228 my $path = $view;
229 $path =~ s{views?/}{out/} || die "no view in $view";
230 $path =~ s{\.pl}{};
231
232 print "OUT $view $offset/$limit $len bytes $path"
233 , ( $len < 10000 ? " \$out = $dump" : ' SAVED ONLY' )
234 , "\n"
235 ;
236
237 unlink "$path.last" if -e "$path.last";
238 rename $path, "$path.last";
239 write_file $path, $dump;
240 report "SAVE $path";
241 }
242
243 }
244
245 }
246
247 if ( $listen ) {
248 my $sock = IO::Socket::INET->new(
249 Listen => SOMAXCONN,
250 LocalAddr => '127.0.0.1',
251 LocalPort => $listen,
252 Proto => 'tcp',
253 Reuse => 1,
254 ) or die $!;
255
256 while (1) {
257
258 warn "NODE $listen ready - path: $path offset: $offset limit: $limit #recs: $num_records\n";
259
260 my $client = $sock->accept();
261
262 warn "<<<< $listen connect from ", $client->peerhost, $/;
263
264 my @header = split(/\s/, <$client>);
265 warn "<<<< $listen header ",dump(@header),$/;
266
267 my $size = shift @header;
268
269 my $content;
270 read $client, $content, $size;
271
272 if ( $header[0] eq 'view' ) {
273 run_code $header[1] => $content;
274 send_sock $client => freeze $out;
275 } elsif ( $header[0] eq 'info' ) {
276 my $info = "$listen\t$offset\t$limit\t$num_records\t$path";
277 $info .= "\t" . eval $header[1] if $header[1];
278 warn "info $info\n";
279 send_sock $client => $info;
280 } elsif ( $header[0] eq 'exit' ) {
281 warn "exit $listen";
282 exit;
283 } else {
284 warn "WARN $listen unknown";
285 }
286
287 }
288 }
289
290 run_views;
291
292 while ( 1 ) {
293
294 print "sack> ";
295 chomp( my $cmd = <STDIN> );
296
297 if ( $cmd =~ m{^(h|\?)} ) {
298 print << "__HELP__"
299 Sacks Lorry v$VERSION - path: $path offset: $offset limit: $limit
300
301 View Run run views
302 VI \\e Output show output of last run
303 Info [\$VERSION] instrospect
304 Quit EXit shutdown
305
306 __HELP__
307 } elsif ( $cmd =~ m{^(vi|\\e|o)}i ) {
308 system "vi out/*";
309 } elsif ( $cmd =~ m{^i(?:nfo)?\s?(.+)?$}i ) {
310 print "# nodes: ", join(' ',@nodes), $/;
311
312 send_nodes 'info' => $2;
313
314 my @info = (
315 "node\toffset\tlimit\t#recs\tpath",
316 "----\t------\t-----\t-----\t----",
317 "0\t$offset\t$limit\t$num_records\t$path",
318 );
319
320 push @info, get_node $_ foreach @nodes;
321
322 print "$_\n" foreach @info;
323
324 } elsif ( $cmd =~ m{^(q|e|x)}i ) {
325 warn "# exit";
326 send_nodes 'exit';
327 exit;
328 } elsif ( $cmd =~ m{^(v|r)}i ) {
329 run_views;
330 } elsif ( $cmd ) {
331 warn "UNKNOWN ", dump $cmd;
332 }
333
334 }
335

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