-# $Id: IRSpy.pm,v 1.27 2006-10-12 14:34:59 mike Exp $
+# $Id: IRSpy.pm,v 1.63 2007-02-22 15:43:13 mike Exp $
package ZOOM::IRSpy;
use strict;
use warnings;
-use Data::Dumper; # For debugging only
+use Data::Dumper; # For debugging only
+use File::Basename;
+use XML::LibXSLT;
+use XML::LibXML;
+use XML::LibXML::XPathContext;
use ZOOM;
use Net::Z3950::ZOOM 1.13; # For the ZOOM version-check only
use ZOOM::IRSpy::Node;
use ZOOM::IRSpy::Connection;
use ZOOM::IRSpy::Record;
+use ZOOM::IRSpy::Stats;
+use ZOOM::IRSpy::Utils qw(cql_target);
our @ISA = qw();
our $VERSION = '0.02';
+our $irspy_to_zeerex_xsl = dirname(__FILE__) . '/../../xsl/irspy2zeerex.xsl';
# Enumeration for callback functions to return
sub TASK_DONE { 18 } # Task is complete, next task should begin
sub TEST_GOOD { 8 } # Whole test is complete, and succeeded
sub TEST_BAD { 31 } # Whole test is complete, and failed
+sub TEST_SKIPPED { 12 } # Test couldn't be run
package ZOOM::IRSpy;
use ZOOM::IRSpy;
$spy = new ZOOM::IRSpy("target/string/for/irspy/database");
- print $spy->report_status();
+ $spy->targets(@targets);
+ $spy->initialise();
+ $res = $spy->check("Main");
=head1 DESCRIPTION
BEGIN {
ZOOM::Log::mask_str("irspy");
- ZOOM::Log::mask_str("irspy_test");
ZOOM::Log::mask_str("irspy_debug");
ZOOM::Log::mask_str("irspy_event");
ZOOM::Log::mask_str("irspy_unhandled");
+ ZOOM::Log::mask_str("irspy_test");
+ ZOOM::Log::mask_str("irspy_task");
}
sub new {
my $conn = new ZOOM::Connection($dbname, 0, @options)
or die "$0: can't connection to IRSpy database 'dbname'";
+ my $xslt = new XML::LibXSLT;
+
+ $xslt->register_function($ZOOM::IRSpy::Utils::IRSPY_NS, 'strcmp',
+ \&ZOOM::IRSpy::Utils::xslt_strcmp);
+
+ my $libxml = new XML::LibXML;
+ my $xsl_doc = $libxml->parse_file($irspy_to_zeerex_xsl);
+ my $irspy_to_zeerex_style = $xslt->parse_stylesheet($xsl_doc);
+
my $this = bless {
conn => $conn,
allrecords => 1, # unless overridden by targets()
query => undef, # filled in later
targets => undef, # filled in later
connections => undef, # filled in later
+ libxml => $libxml,
+ irspy_to_zeerex_style => $irspy_to_zeerex_style,
tests => [], # stack of tests currently being executed
}, $class;
$this->log("irspy", "starting up with database '$dbname'");
$this->log("irspy_debug", "rewriting '$target' to '$newtarget'");
$target = $newtarget; # This is written through the ref
}
- push @qlist, (qq[(host="$host" and port="$port" and path="$db")]);
+ push @qlist, cql_target($host, $port, $db);
}
$this->{targets} = \@targets;
}
-sub _rewrite_records {
+sub _irspy_to_zeerex {
my $this = shift();
+ my($conn, $save_xml) = @_;
+ my $irspy_doc = $conn->record()->{zeerex}->ownerDocument;
+
+ if ($save_xml) {
+ unlink('/tmp/irspy_orig.xml');
+ open FH, '>/tmp/irspy_orig.xml';
+ print FH $irspy_doc->toString();
+ close FH;
+ }
+ my %params = ();
+ my $result = $this->{irspy_to_zeerex_style}->transform($irspy_doc, %params);
+ if ($save_xml) {
+ unlink('/tmp/irspy_transformed.xml');
+ open FH, '>/tmp/irspy_transformed.xml';
+ print FH $result->toString();
+ close FH;
+ }
- # Write modified records back to database
- foreach my $conn (@{ $this->{connections} }) {
- my $rec = $conn->record();
- my $p = $this->{conn}->package();
- $p->option(action => "specialUpdate");
- my $xml = $rec->{zeerex}->toString();
- $p->option(record => $xml);
- $p->send("update");
- $p->destroy();
-
- $p = $this->{conn}->package();
- $p->send("commit");
- $p->destroy();
- if (0) {
- $xml =~ s/&/&/g;
- $xml =~ s/</</g;
- $xml =~ s/>/>/g;
- print "Updated with xml=<br/>\n<pre>$xml</pre>\n";
- }
+ return $result->documentElement();
+}
+
+
+sub _rewrite_record {
+ my $this = shift();
+ my($conn) = @_;
+
+ $conn->log("irspy", "rewriting XML record");
+ my $rec = $this->_irspy_to_zeerex($conn, $ENV{IRSPY_SAVE_XML});
+ _really_rewrite_record($this->{conn}, $rec);
+}
+
+
+sub _really_rewrite_record {
+ my($conn, $rec) = @_;
+
+ my $p = $conn->package();
+ $p->option(action => "specialUpdate");
+ my $xml = $rec->toString();
+ $p->option(record => $xml);
+ $p->send("update");
+ $p->destroy();
+
+ $p = $conn->package();
+ $p->send("commit");
+ $p->destroy();
+ if (0) {
+ $xml =~ s/&/&/g;
+ $xml =~ s/</</g;
+ $xml =~ s/>/>/g;
+ print "Updated $conn with xml=<br/>\n<pre>$xml</pre>\n";
}
}
$tname = "Main" if !defined $tname;
$this->{tree} = $this->_gather_tests($tname)
- or die "No tests defined";
+ or die "No tests defined for '$tname'";
#$this->{tree}->print(0);
my $nskipped = 0;
my @conn = @{ $this->{connections} };
+ my $nruns = 0;
+ ROUND_AND_ROUND_WE_GO:
while (1) {
my @copy_conn = @conn; # avoid alias problems after splice()
+ my $nconn = scalar(@copy_conn);
foreach my $i0 (0 .. $#copy_conn) {
my $conn = $copy_conn[$i0];
- #print "connection $i0 of ", scalar(@copy_conn), " from ", scalar(@conn), " is $conn\n";
+ #print "connection $i0 of $nconn/", scalar(@conn), " is $conn\n";
if (!$conn->current_task()) {
if (!$conn->next_task()) {
# Out of tasks: we need a new test
NEXT_TEST:
my $address = $conn->option("current_test_address");
- my $nextaddr = defined $address ?
- $this->_next_test($address) : "";
+ my $nextaddr;
+ if (!defined $address) {
+ $nextaddr = "";
+ } else {
+ $this->log("irspy_test",
+ "checking for next test after '$address'");
+ $nextaddr = $this->_next_test($address);
+ }
if (!defined $nextaddr) {
$conn->log("irspy", "has no more tests: removing");
splice @conn, $i0, 1;
+ $this->_rewrite_record($conn);
+ $conn->option(rewrote_record => 1);
next;
}
or die "invalid nextaddr '$nextaddr'";
$conn->option(current_test_address => $nextaddr);
my $tname = $node->name();
- $conn->log("irspy", "starting test '$nextaddr' = $tname");
+ $conn->log("irspy_test",
+ "starting test '$nextaddr' = $tname");
my $tasks = $conn->tasks();
my $oldcount = @$tasks;
"ZOOM::IRSpy::Test::$tname"->start($conn);
# Prepare to start the first of the newly added tasks
$conn->next_task($tasks->[$oldcount]);
} else {
- $conn->log("irspy", "no tasks added by new test $tname");
+ $conn->log("irspy_task",
+ "no tasks added by new test $tname");
goto NEXT_TEST;
}
}
my $task = $conn->next_task();
die "no next task queued for $conn" if !defined $task;
- $conn->log("irspy", "starting task $task");
+ $conn->log("irspy_task", "preparing task $task");
$conn->next_task(0);
$conn->current_task($task);
$task->run();
}
- ### Test $conn->is_idle() here?
+ # Do we need to test $conn->is_idle()? I don't think so!
}
my $i0 = ZOOM::event(\@conn);
- $this->log("irspy_event", "ZOOM_event(", scalar(@conn), " connections) = $i0");
- last if $i0 == 0 || $i0 == -3; # no events or no connections
+ $this->log("irspy_event",
+ "ZOOM_event(", scalar(@conn), " connections) = $i0");
+ if ($i0 < 1) {
+ my %messages = (
+ 0 => "no events remain",
+ -1 => "ZOOM::event() argument not a reference",
+ -2 => "ZOOM::event() reference not an array",
+ -3 => "no connections remain",
+ -4 => "too many connections for ZOOM::event()",
+ );
+ my $message = $messages{$i0} || "ZOOM::event() returned $i0";
+ $this->log("irspy", $message);
+ last;
+ }
+
my $conn = $conn[$i0-1];
my $ev = $conn->last_event();
my $evstr = ZOOM::event_str($ev);
eval { $conn->_check() };
if ($@ &&
($ev == ZOOM::Event::RECV_DATA ||
- $ev == ZOOM::Event::RECV_APDU ||
$ev == ZOOM::Event::ZEND)) {
# An error in, say, a search response, becomes visible to
# ZOOM before the Receive Data event is sent and persists
# each report the same error. So we just ignore errors on
# "unimportant" events. ### But this doesn't work for,
# say, a Connection Refused, as the only event that shows
- # us this error is the End.
+ # us this error is the ZEND.
$conn->log("irspy_event", "ignoring error ",
"on event $ev ($evstr): $@");
next;
my $task = $conn->current_task();
die "no task for TASK_DONE on $conn" if !$task;
die "next task already defined for $conn" if $conn->next_task();
- $conn->log("irspy", "completed task $task");
+ $conn->log("irspy_task", "completed task $task");
$conn->next_task($task->{next});
$conn->current_task(0);
} elsif ($res == ZOOM::IRSpy::Status::TEST_GOOD ||
$res == ZOOM::IRSpy::Status::TEST_BAD) {
my $x = ($res == ZOOM::IRSpy::Status::TEST_GOOD) ? "good" : "bad";
- $conn->log("irspy", "test completed ($x)");
+ $conn->log("irspy_task", "test ended during task $task ($x)");
+ $conn->log("irspy_test", "test completed ($x)");
+ $conn->current_task(0);
+ $conn->next_task(0);
+ if ($res == ZOOM::IRSpy::Status::TEST_BAD) {
+ my $address = $conn->option('current_test_address');
+ ($address, my $n) = $this->_last_sibling_test($address);
+ if (defined $address) {
+ $conn->log("irspy_test", "skipped $n tests");
+ $conn->option(current_test_address => $address);
+ $nskipped += $n;
+ }
+ }
+
+ } elsif ($res == ZOOM::IRSpy::Status::TEST_SKIPPED) {
+ $conn->log("irspy_test", "test skipped during task $task");
$conn->current_task(0);
$conn->next_task(0);
- ### Should also skip over remaining sibling tests if TEST_BAD
- $nskipped += 1; # should count number of skipped siblings
+ # I think that's all we need to do
+
+ } else {
+ die "unknown callback return-value '$res'";
}
}
- $this->log("irspy_event", "no more events: finishing");
+ $this->log("irspy", "exiting main loop");
+ # Sanity checks: none of the following should ever happen
+ my $finished = 1;
+ foreach my $conn (@{ $this->{connections} }) {
+ my $test = $conn->option("current_test_address");
+ my $next = $this->_next_test($test);
+ if (defined $next) {
+ $this->log("irspy", "$conn (in test '$test') has queued test '$next'");
+ $finished = 0;
+ }
+ if (my $task = $conn->current_task()) {
+ $this->log("irspy", "$conn still has an active task $task");
+ $finished = 0;
+ }
+ if (my $task = $conn->next_task()) {
+ $this->log("irspy", "$conn still has a queued task $task");
+ $finished = 0;
+ }
+ if (!$conn->is_idle()) {
+ $this->log("irspy", "$conn still has ZOOM-C level tasks queued: see below");
+ $finished = 0;
+ }
+ my $ev = $conn->peek_event();
+ if ($ev != 0 && $ev != ZOOM::Event::ZEND) {
+ my $evstr = ZOOM::event_str($ev);
+ $this->log("irspy", "$conn has event $ev ($evstr) waiting");
+ $finished = 0;
+ }
+ if (!$conn->option("rewrote_record")) {
+ $this->log("irspy", "$conn did not rewrite its ZeeRex record");
+ $finished = 0;
+ }
+ }
+
+ # This really shouldn't be necessary, and in practice it rarely
+ # helps, but it's belt and braces. For now, we don't do this
+ # (hence the zero in the $nruns check).
+ if (!$finished) {
+ if (++$nruns < 0) {
+ $this->log("irspy", "back into main loop, ${nruns}th time");
+ goto ROUND_AND_ROUND_WE_GO;
+ } else {
+ $this->log("irspy", "bailing after $nruns main-loop runs");
+ }
+ }
+
+ # This shouldn't happen emit anything either:
+ @conn = @{ $this->{connections} };
+ while ((my $i1 = ZOOM::event(\@conn)) > 0) {
+ my $conn = $conn[$i1-1];
+ my $ev = $conn->last_event();
+ my $evstr = ZOOM::event_str($ev);
+ $this->log("irspy",
+ "$conn still has ZOOM-C level task queued: $ev ($evstr)")
+ if $ev != ZOOM::Event::ZEND;
+ }
- #$this->_rewrite_records();
return $nskipped;
}
join(" -> ", @ancestors, $tname))
if grep { $_ eq $tname } @ancestors;
+ my $slashSeperatedTname = $tname;
+ $slashSeperatedTname =~ s/::/\//g;
+ my $fullName = "ZOOM/IRSpy/Test/$slashSeperatedTname.pm";
+
eval {
- my $slashSeperatedTname = $tname;
- $slashSeperatedTname =~ s/::/\//g;
- require "ZOOM/IRSpy/Test/$slashSeperatedTname.pm";
+ require $fullName;
+ $this->log("irspy", "successfully required '$fullName'");
}; if ($@) {
+ $this->log("irspy", "couldn't require '$fullName': $@");
$this->log("warn", "can't load test '$tname': skipping",
$@ =~ /^Can.t locate/ ? () : " ($@)");
return undef;
}
+# These next three should arguably be Node methods
sub _next_test {
my $this = shift();
my($address, $omit_child) = @_;
- $this->log("irspy", "checking for next test after '$address'");
-
# Try first child
if (!$omit_child) {
my $maybe = $address eq "" ? "0" : "$address:0";
}
+sub _last_sibling_test {
+ my $this = shift();
+ my($address) = @_;
+
+ return undef
+ if !defined $this->_next_sibling_test($address);
+
+ my $nskipped = 0;
+ while (1) {
+ my $maybe = $this->_next_sibling_test($address);
+ last if !defined $maybe;
+ $nskipped++;
+ $address = $maybe;
+ $this->log("irspy", "skipping $nskipped tests to '$address'");
+ }
+
+ return ($address, $nskipped);
+}
+
+
+sub _next_sibling_test {
+ my $this = shift();
+ my($address) = @_;
+
+ my @components = split /:/, $address;
+ my $last = pop @components;
+ my $maybe = join(":", @components, $last+1);
+ return $maybe if $this->{tree}->select($maybe);
+ return undef;
+}
+
+
=head1 SEE ALSO
ZOOM::IRSpy::Record,