-# $Id: IRSpy.pm,v 1.45 2006-10-30 16:13:49 mike Exp $
+# $Id: IRSpy.pm,v 1.73 2007-03-01 14:00:50 mike Exp $
package ZOOM::IRSpy;
use ZOOM::IRSpy::Node;
use ZOOM::IRSpy::Connection;
use ZOOM::IRSpy::Record;
-use ZOOM::IRSpy::Utils;
+use ZOOM::IRSpy::Stats;
+use ZOOM::IRSpy::Utils qw(cql_target);
our @ISA = qw();
our $VERSION = '0.02';
-our $irspy_ns = 'http://indexdata.com/irspy/1.0';
our $irspy_to_zeerex_xsl = dirname(__FILE__) . '/../../xsl/irspy2zeerex.xsl';
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
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
+ query => "cql.allRecords=1", # unless overridden
targets => undef, # filled in later
connections => undef, # filled in later
libxml => $libxml,
}
+sub find_targets {
+ my $this = shift();
+ my($query) = @_;
+
+ $this->{query} = $query;
+}
+
+
# Explicitly nominate a set of targets to check, overriding the
# default which is to re-check everything in the database. Each
# target already in the database results in the existing record being
$this->log("irspy", "setting explicit list of targets ",
join(", ", map { "'$_'" } @targets));
- $this->{allrecords} = 0;
my @qlist;
foreach my $target (@targets) {
my($host, $port, $db, $newtarget) = _parse_target_string($target);
$this->log("irspy_debug", "rewriting '$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;
}
-# There are two cases.
-#
-# 1. A specific set of targets is nominated on the command line.
-# - Records must be fetched for those targets that are in the DB
-# - New, empty records must be made for those that are not.
-# - Updated records written to the DB may or may not be new.
-#
-# 2. All records in the database are to be checked.
-# - Records must be fetched for all targets in the DB
-# - Updated records written to the DB may not be new.
-#
-# That's all -- what could be simpler?
+# Records must be fetched for all records satisfying $this->{query} If
+# $this->{targets} is already set (i.e. a specific list of targets to
+# check was specified by a call to targets()), then new, empty records
+# must be made for any targets that are not already in the database.
#
sub initialise {
my $this = shift();
my %target2record;
- if ($this->{allrecords}) {
- # We need to check on every target in the database, which
- # means we need to do a "find all". According to the BIB-1
- # semantics document at
- # http://www.loc.gov/z3950/agency/bib1.html
- # the query
- # @attr 2=103 @attr 1=1035 x
- # should find all records, but it seems that Zebra doesn't
- # support this. Furthermore, when using the "alvis" filter
- # (as we do for IRSpy) it doesn't support the use of any BIB-1
- # access point -- not even 1035 "everywhere" -- so instead we
- # hack together a search that we know will find all records.
- $this->{query} = "port=?*";
- } else {
+ if ($this->{targets}) {
# Prepopulate the target map with nulls so that after we fill
# in what we can from the database query, we know which target
# IDs we need new records for.
$target2record{lc($target)} = undef;
}
}
+ delete $this->{targets}; # Information now in keys of %target2record
- $this->log("irspy_debug", "query '", $this->{query}, "'");
my $rs = $this->{conn}->search(new ZOOM::Query::CQL($this->{query}));
- delete $this->{query}; # No longer needed at all
- $this->log("irspy_debug", "found ", $rs->size(), " target records");
+ $this->log("irspy", "'", $this->{query}, "' found ",
+ $rs->size(), " target records");
+ delete $this->{query}; # Information now in $rs
+
foreach my $i (1 .. $rs->size()) {
my $target = _render_record($rs, $i-1, "id");
my $zeerex = _render_record($rs, $i-1, "zeerex");
- #print STDERR "making '$target' record with '$zeerex'\n";
$target2record{lc($target)} =
new ZOOM::IRSpy::Record($this, $target, $zeerex);
- push @{ $this->{targets} }, $target
- if $this->{allrecords};
}
# Make records for targets not previously in the database
foreach my $target (keys %target2record) {
- my $record = $target2record{$target};
- if (!defined $record) {
- $this->log("irspy_debug", "made new record for '$target'");
+ if (!defined $target2record{$target}) {
$target2record{$target} = new ZOOM::IRSpy::Record($this, $target);
+ $this->log("irspy_debug", "made new record for '$target'");
} else {
$this->log("irspy_debug", "using existing record for '$target'");
}
}
my @connections;
- foreach my $target (@{ $this->{targets} }) {
+ my @targets = sort keys %target2record;
+ foreach my $target (@targets) {
my $conn = create ZOOM::IRSpy::Connection($this, async => 1);
$conn->option(host => $target);
my $record = delete $target2record{lc($target)};
+ die "record undefined for '$target'" if !defined $record;
$conn->record($record);
push @connections, $conn;
}
if %target2record;
$this->{connections} = \@connections;
- delete $this->{targets}; # The information is now in {connections}
}
sub _irspy_to_zeerex {
- my ($this, $conn) = @_;
+ 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'
+ or die "can't write 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'
+ or die "can't write irspy_transformed.xml: $!";
+ print FH $result->toString();
+ close FH;
+ }
return $result->documentElement();
}
my($conn) = @_;
$conn->log("irspy", "rewriting XML record");
- my $rec = $this->_irspy_to_zeerex($conn);
+ my $rec = $this->_irspy_to_zeerex($conn, $ENV{IRSPY_SAVE_XML});
_really_rewrite_record($this->{conn}, $rec);
}
$tname = "Main" if !defined $tname;
$this->{tree} = $this->_gather_tests($tname)
or die "No tests defined for '$tname'";
+ $this->{tree}->resolve();
#$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);
}
if (!defined $nextaddr) {
$conn->log("irspy", "has no more tests: removing");
+ ### Does this go wrong if two connections are exhausted?
splice @conn, $i0, 1;
$this->_rewrite_record($conn);
+ $conn->option(rewrote_record => 1);
next;
}
$conn->current_task($task);
$task->run();
}
-
- # Do we need to test $conn->is_idle()? I don't think so!
}
+ NEXT_EVENT:
my $i0 = ZOOM::event(\@conn);
$this->log("irspy_event",
"ZOOM_event(", scalar(@conn), " connections) = $i0");
- last if $i0 == 0 || $i0 == -3; # no events or no connections
+ if ($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);
$conn->log("irspy_event", "event $ev ($evstr)");
+ goto NEXT_EVENT if $ev != ZOOM::Event::ZEND;
my $task = $conn->current_task();
die "$conn has no current task for event $ev ($evstr)" if !$task;
- 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
- # until after the End, which means that successive events
- # 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.
- $conn->log("irspy_event", "ignoring error ",
- "on event $ev ($evstr): $@");
- next;
- }
my $res;
- if ($@) {
+ eval { $conn->check() };
+ if ($@ && ref $@ && $@->isa("ZOOM::Exception")) {
my $sub = $task->{cb}->{exception};
die $@ if !defined $sub;
$res = &$sub($conn, $task, $task->udata(), $@);
+ } elsif ($@) {
+ die "Unexpected non-ZOOM exception: " . ref($@) . " ($@)";
} else {
my $sub = $task->{cb}->{$ev};
if (!defined $sub) {
$conn->next_task(0);
if ($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;
+ $conn->log("irspy", "top-level test failed!")
+ if $address eq "";
+ my $node = $this->{tree}->select($address);
+ my $skipcount = 0;
+ while (defined $node->next() &&
+ length($node->next()->address()) >= length($address)) {
+ $conn->log("irspy_debug", "skipping from '",
+ $node->address(), "' to '",
+ $node->next()->address(), "'");
+ $node = $node->next();
+ $skipcount++;
}
+
+ $conn->option(current_test_address => $node->address());
+ $conn->log("irspy_test", "skipped $skipcount tests");
+ $nskipped += $skipcount;
}
+
+ } elsif ($res == ZOOM::IRSpy::Status::TEST_SKIPPED) {
+ $conn->log("irspy_test", "test skipped during task $task");
+ $conn->current_task(0);
+ $conn->next_task(0);
+ $nskipped++;
+
} else {
die "unknown callback return-value '$res'";
}
}
$this->log("irspy", "exiting main loop");
+ # Sanity checks: none of the following should ever happen
+ my $finished = 1;
+ @conn = @{ $this->{connections} };
+ foreach my $conn (@conn) {
+ 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:
+ 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;
+ }
+
return $nskipped;
}
my $maybe = $this->_next_sibling_test($address);
last if !defined $maybe;
$nskipped++;
- $this->log("irspy", "skipping $nskipped tests to '$address'");
$address = $maybe;
+ $this->log("irspy", "skipping $nskipped tests to '$address'");
}
return ($address, $nskipped);
projects / irspy-moved-to-github.git / blobdiff