Mercurial > pub > Impl
annotate Lib/IMPL/Profiler/Memory.pm @ 403:7171a8e2e2ba
dirty fix for url encoding
author | sergey |
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date | Tue, 20 May 2014 01:26:45 +0400 |
parents | 4d0e1962161c |
children |
rev | line source |
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49 | 1 package IMPL::Profiler::Memory; |
2 | |
3 use strict; | |
4 use Carp qw(longmess shortmess); | |
5 use Scalar::Util qw(refaddr weaken isweak); | |
6 | |
188 | 7 my %listeners; |
8 my $trapped; | |
49 | 9 |
10 BEGIN { | |
194 | 11 $trapped = 0; |
188 | 12 } |
49 | 13 |
188 | 14 sub import { |
194 | 15 if (not $trapped) { |
16 *CORE::GLOBAL::bless = sub { | |
17 $_[1] |= caller unless $_[1]; | |
18 my $ref = CORE::bless $_[0],$_[1]; | |
19 | |
20 $_->track($ref) foreach values %listeners; | |
21 | |
22 return $ref; | |
23 }; | |
24 $trapped = 1; | |
25 } | |
188 | 26 } |
49 | 27 |
188 | 28 sub _ConnectListener { |
194 | 29 my ($self,$listener) = @_; |
30 | |
31 die "Invalid listener" unless ref $listener; | |
32 | |
33 $listeners{refaddr($listener)} = $listener; | |
188 | 34 } |
49 | 35 |
188 | 36 sub _RemoveListener { |
194 | 37 my ($self,$listener) = @_; |
38 | |
39 die "Invalid listener" unless ref $listener; | |
40 | |
41 delete $listeners{refaddr($listener)}; | |
188 | 42 } |
49 | 43 |
188 | 44 sub Monitor { |
194 | 45 my ($self,$code) = @_; |
46 | |
47 my $data = IMPL::Profiler::Memory::Data->new(); | |
48 | |
49 $data->Monitor($code); | |
50 | |
51 return $data; | |
49 | 52 } |
53 | |
188 | 54 package IMPL::Profiler::Memory::Data; |
55 use parent qw(IMPL::Object::Fields); | |
56 | |
57 use Data::Dumper(); | |
58 use Scalar::Util qw(refaddr weaken isweak); | |
59 | |
190
cd1ff7029a63
IMLP::Web::View refactored, added new method 'require' which is available inside templates. Changed document rendering.
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60 use fields qw( objects counter); |
188 | 61 |
62 sub CTOR { | |
194 | 63 my $this = shift; |
64 $this->{objects} = []; | |
65 $this->{counter} = 0; | |
188 | 66 } |
67 | |
68 sub track { | |
194 | 69 my $i = scalar @{$_[0]->{objects}}; |
70 $_[0]->{objects}[$i] = $_[1]; | |
71 weaken($_[0]->{objects}[$i]); | |
72 $_[0]->{counter} ++; | |
188 | 73 } |
74 | |
75 sub Purge { | |
194 | 76 my $this = shift; |
77 | |
78 return $this->{objects} = [ grep defined($_), @{$this->{objects}}]; | |
49 | 79 } |
80 | |
188 | 81 sub Dump { |
194 | 82 my $this = shift; |
83 return Data::Dumper->Dump([$this->{objects}]); | |
188 | 84 } |
49 | 85 |
188 | 86 sub isLeak { |
194 | 87 my ($this) = @_; |
88 $this->Purge(); | |
89 return ( scalar(@{$this->{objects}}) > 0); | |
49 | 90 } |
91 | |
188 | 92 sub Monitor { |
194 | 93 my ($this,$code) = @_; |
94 | |
95 die "A reference to a subroutine is required" unless ref $code; | |
96 | |
97 IMPL::Profiler::Memory->_ConnectListener($this); | |
98 eval { | |
99 $code->(); | |
100 }; | |
101 my $err = $@; | |
102 IMPL::Profiler::Memory->_RemoveListener($this); | |
103 | |
104 die $err if $err; | |
105 | |
106 return; | |
49 | 107 } |
108 | |
188 | 109 |
110 | |
49 | 111 1; |