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elmex |
1.1 |
package EVQ; |
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use strict; |
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use AnyEvent; |
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my $J; |
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our %reqh; |
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our $id = 0; |
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my @req; |
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sub schedule { |
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my $reqcnt = scalar (keys %reqh); |
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if ($reqcnt == 0 && !@req) { |
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print "no more jobs, finishing...\n"; |
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$J->broadcast; |
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} |
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while ($reqcnt < 20) { |
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my $r = pop @req; |
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return unless defined $r; |
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$r->[0]->(addreq ($r->[1])); |
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$reqcnt = scalar (keys %reqh); |
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} |
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} |
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sub addreq { my $k = $id . "_" . $_[0]; $reqh{$k} = 1; $id++; $k } |
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sub finreq { delete $reqh{$_[0]}; } |
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sub push_request { |
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my ($s, $cb) = @_; |
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push @req, [$cb, $s]; |
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schedule; |
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} |
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our $t; |
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sub timer { |
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$t = AnyEvent->timer (after => 2, cb => sub { |
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schedule; |
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my $reqcnt = scalar (keys %reqh); |
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$reqcnt += @req; |
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print "$reqcnt outstanding requests\n"; |
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timer (); |
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}); |
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} |
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sub start { |
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$J = AnyEvent->condvar; |
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timer; |
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} |
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sub wait { |
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$J->wait; |
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} |
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