###############################################################################
## ----------------------------------------------------------------------------
## Core validation methods for Many-Core Engine.
##
## This package provides validation methods used internally by the manager
## process.
##
## There is no public API.
##
###############################################################################
package MCE::Core::Validation;
use strict;
use warnings;
our $VERSION = '1.833';
## Items below are folded into MCE.
package # hide from rpm
MCE;
no warnings qw( threads recursion uninitialized );
###############################################################################
## ----------------------------------------------------------------------------
## Validation method (attributes allowed for top-level).
##
###############################################################################
sub _validate_args {
my $_s = $_[0];
@_ = ();
my $_tag = 'MCE::_validate_args';
if (defined $_s->{input_data} && ref $_s->{input_data} eq '') {
_croak("$_tag: ($_s->{input_data}) does not exist")
unless (-e $_s->{input_data});
}
for my $_k (qw(job_delay spawn_delay submit_delay loop_timeout)) {
_croak("$_tag: ($_k) is not valid")
if ($_s->{$_k} && (!looks_like_number($_s->{$_k}) || $_s->{$_k} < 0));
}
for my $_k (qw(freeze thaw on_post_exit on_post_run user_error user_output)) {
_croak("$_tag: ($_k) is not a CODE reference")
if ($_s->{$_k} && ref $_s->{$_k} ne 'CODE');
}
_validate_args_s($_s);
if (defined $_s->{user_tasks}) {
for my $_t (@{ $_s->{user_tasks} }) {
_validate_args_s($_s, $_t);
_croak("$_tag: (task_end) is not a CODE reference")
if ($_t->{task_end} && ref $_t->{task_end} ne 'CODE');
}
}
return;
}
###############################################################################
## ----------------------------------------------------------------------------
## Validation method (top-level and sub-tasks).
##
###############################################################################
sub _validate_args_s {
my $self = $_[0]; my $_s = $_[1] || $self;
@_ = ();
my $_tag = 'MCE::_validate_args_s';
if (defined $_s->{max_workers}) {
$_s->{max_workers} = _parse_max_workers($_s->{max_workers});
_croak("$_tag: (max_workers) is not valid")
if ($_s->{max_workers} !~ /\A\d+\z/);
}
if (defined $_s->{chunk_size}) {
if ($_s->{chunk_size} =~ /([0-9\.]+)K\z/i) {
$_s->{chunk_size} = int($1 * 1024 + 0.5);
}
elsif ($_s->{chunk_size} =~ /([0-9\.]+)M\z/i) {
$_s->{chunk_size} = int($1 * 1024 * 1024 + 0.5);
}
_croak("$_tag: (chunk_size) is not valid")
if ($_s->{chunk_size} !~ /\A[0-9e\+]+\z/ or $_s->{chunk_size} == 0);
$_s->{chunk_size} = int($_s->{chunk_size});
}
_croak("$_tag: (RS) is not valid")
if ($_s->{RS} && ref $_s->{RS} ne '');
_croak("$_tag: (max_retries) is not valid")
if ($_s->{max_retries} && $_s->{max_retries} !~ /\A\d+\z/);
for my $_k (qw(progress user_begin user_end user_func)) {
_croak("$_tag: ($_k) is not a CODE reference")
if ($_s->{$_k} && ref $_s->{$_k} ne 'CODE');
}
if (defined $_s->{gather}) {
my $_ref = ref $_s->{gather};
_croak("$_tag: (gather) is not a valid reference")
if ( $_ref ne 'MCE::Queue' && $_ref ne 'Thread::Queue' &&
$_ref ne 'ARRAY' && $_ref ne 'HASH' && $_ref ne 'CODE' );
}
if (defined $_s->{sequence}) {
my $_seq = $_s->{sequence};
if (ref $_seq eq 'ARRAY') {
my ($_begin, $_end, $_step, $_fmt) = @{ $_seq };
$_seq = {
begin => $_begin, end => $_end, step => $_step, format => $_fmt
};
}
else {
_croak("$_tag: (sequence) is not a HASH or ARRAY reference")
if (ref $_seq ne 'HASH');
}
for my $_k (qw(begin end)) {
_croak("$_tag: ($_k) is not defined for sequence")
unless (defined $_seq->{$_k});
}
for my $_p (qw(begin end step)) {
_croak("$_tag: ($_p) is not valid for sequence")
if (defined $_seq->{$_p} && !looks_like_number($_seq->{$_p}));
}
unless (defined $_seq->{step}) {
$_seq->{step} = ($_seq->{begin} <= $_seq->{end}) ? 1 : -1;
if (ref $_s->{sequence} eq 'ARRAY') {
$_s->{sequence}->[2] = $_seq->{step};
}
}
if (ref $_s->{sequence} eq 'HASH') {
for my $_k ('begin', 'end', 'step') {
$_s->{sequence}{$_k} = int($_s->{sequence}{$_k})
unless ($_s->{sequence}{$_k} =~ /\./);
}
}
else {
for my $_i (0, 1, 2) {
$_s->{sequence}[$_i] = int($_s->{sequence}[$_i])
unless ($_s->{sequence}[$_i] =~ /\./);
}
}
if ( ($_seq->{step} < 0 && $_seq->{begin} < $_seq->{end}) ||
($_seq->{step} > 0 && $_seq->{begin} > $_seq->{end}) ||
($_seq->{step} == 0)
) {
_croak("$_tag: impossible (step size) for sequence");
}
}
if (defined $_s->{interval}) {
if (ref $_s->{interval} eq '') {
$_s->{interval} = { delay => $_s->{interval} };
}
my $_i = $_s->{interval};
_croak("$_tag: (interval) is not a HASH reference")
if (ref $_i ne 'HASH');
_croak("$_tag: (delay) is not defined for interval")
unless (defined $_i->{delay});
_croak("$_tag: (delay) is not valid for interval")
if (!looks_like_number($_i->{delay}) || $_i->{delay} < 0);
for my $_p (qw(max_nodes node_id)) {
_croak("$_tag: ($_p) is not valid for interval")
if (defined $_i->{$_p} && (
!looks_like_number($_i->{$_p}) ||
int($_i->{$_p}) != $_i->{$_p} ||
$_i->{$_p} < 1
));
}
$_i->{max_nodes} = 1 unless (exists $_i->{max_nodes});
$_i->{node_id} = 1 unless (exists $_i->{node_id});
$_i->{_time} = time;
}
return;
}
###############################################################################
## ----------------------------------------------------------------------------
## Validation method (run state).
##
###############################################################################
sub _validate_runstate {
my $self = $_[0]; my $_tag = $_[1];
@_ = ();
_croak("$_tag: method is not allowed by the worker process")
if ($self->{_wid});
_croak("$_tag: method is not allowed while processing")
if ($self->{_send_cnt});
_croak("$_tag: method is not allowed while running")
if ($self->{_total_running});
return;
}
1;