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Add Cxn.pm. Make MasterSlave, NibbleIterator, and ReplicaLagWaiter use Cxn. Rewrite, simplify Retry.

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This commit is contained in:
Daniel Nichter
2011-10-06 12:47:35 -06:00
parent bd900c5ab8
commit e2e40488c5
9 changed files with 310 additions and 203 deletions
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4
lib/ReplicaLagWaiter.pm
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@@ -37,7 +37,7 @@ use Data::Dumper;
# get_lag - Callback passed slave dbh and returns slave's lag
# sleep - Callback to sleep between checking lag.
# max_lag - Max lag
# slaves - Arrayref of slave cxn, like [{dsn=>{...}, dbh=>...},...]
# slaves - Arrayref of <Cxn> objects
#
# Returns:
# ReplicaLagWaiter object
@@ -101,7 +101,7 @@ sub wait {
MKDEBUG && _d('Checking slave lag');
for my $i ( 0..$#lagged_slaves ) {
my $slave = $lagged_slaves[$i];
my $lag = $get_lag->($slave->{dbh});
my $lag = $get_lag->($slave->dbh());
MKDEBUG && _d($slave->{dsn}->{n}, 'slave lag:', $lag);
if ( !defined $lag || $lag > $max_lag ) {
$slave->{lag} = $lag;