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=head1 NAME |
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AnyEvent::MySQL::ConnPool |
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=head1 DESCRIPTION |
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Adds additional method "pool_connect" to L package. |
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=head1 SYNOPSIS |
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Similar to AnyEvent::MySQL->connect(); |
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use AnyEvent; |
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use AnyEvent::MySQL; |
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use AnyEvent::MySQL::ConnPool; |
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my $connpool = AnyEvent::MySQL->connect_pool( |
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"DBI:mysql:database=test;host=127.0.0.1;port=3306", |
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"ptest", |
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"pass", { |
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PrintError => 1, |
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PoolSize => 10, |
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CheckInterval => 5, |
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}, |
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sub { |
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my($dbh) = @_; |
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if( $dbh ) { |
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warn "Connect success!"; |
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$dbh->pre_do("set names latin1"); |
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$dbh->pre_do("set names utf8"); |
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} |
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else { |
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warn "Connect fail: $AnyEvent::MySQL::errstr ($AnyEvent::MySQL::err)"; |
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$end->send; |
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} |
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} |
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); |
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=head1 METHODS |
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=over |
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=item B |
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Returns connected L object. |
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All options for connect_pool are similar to the AnyEvent::MySQL->connect method. |
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But pool accepts additional options in parameters hashref(4th parameter). |
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AnyEvent::MySQL->connect_pool($dsn, $user, $password, {PoolSize => 5, CheckInterval => 10}, $callback); |
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PoolSize => how many connections should be created. 5 connections by default. |
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CheckInterval => Interval for ping connections. 10 seconds by default. |
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=back |
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=cut |
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package AnyEvent::MySQL::ConnPool; |
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use strict; |
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use warnings; |
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use AnyEvent::MySQL; |
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54311
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use AnyEvent::ConnPool; |
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1114
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1
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our $VERSION = 0.06; |
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sub import { |
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*{AnyEvent::MySQL::connect_pool} = sub { |
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my ($caller, $dsn, $user, $password, $params, $cb) = @_; |
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my @conn_args = @_; |
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shift @conn_args; |
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my $pool_size = delete $params->{PoolSize}; |
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my $check_interval = delete $params->{CheckInterval}; |
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$pool_size ||= 5; |
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$check_interval ||= 10; |
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my $connpool = AnyEvent::ConnPool->new( |
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init => 1, |
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size => $pool_size, |
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check => { |
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cb => sub { |
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my $unit = shift; |
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$unit->conn()->ping(); |
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}, |
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interval => $check_interval, |
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}, |
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constructor => sub { |
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return AnyEvent::MySQL->connect(@conn_args); |
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}, |
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0
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0
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); |
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1
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}; |
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} |
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1; |
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100
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__END__ |