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use strict; |
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use warnings; |
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#sub POE::Kernel::ASSERT_DEFAULT () { 1 } |
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#sub POE::Kernel::TRACE_DEFAULT () { 1 } |
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|
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use POE qw( Component::JobQueue ); |
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|
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my $jobcount = 0; |
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sub worker_start { |
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my ( $kernel, $heap, $postback, @args ) = @_[KERNEL, HEAP, ARG0, ARG1..ARG3 ]; |
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print "worker started", "\n"; |
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print "executing job: ", "(@args)", "\n"; |
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my @job_results = ('hello', 'world'); |
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|
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# Invoke a postback to acknowledge that a job is done. |
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$postback->( @job_results ); |
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} |
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|
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# This is the sub which is called when a postback is invoked. |
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sub job_done { |
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my ($request_packet, $response_packet) = @_[ARG0, ARG1]; |
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my @original_job_params = @{$request_packet}; # original post/fetch |
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my @job_results = @{$response_packet}; # passed to the postback |
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|
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print "original job parameters: (@original_job_params)\n"; |
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print "results of finished job: (@job_results)\n"; |
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$jobcount++; |
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} |
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|
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# Passive worker function. |
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sub spawn_a_worker { |
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my ($postback, @job_params) = @_; # same parameters as posted |
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print "spawning worker", "\n"; |
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my %inline_states = ( |
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'_start' => \&worker_start, |
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); |
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POE::Session->create |
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( inline_states => \%inline_states, # handwaving over details here |
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args => [ $postback, # $postback->(@results) to return |
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@job_params, # parameters of this job |
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], |
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); |
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} |
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|
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# comparison to let queue behave as FIFO |
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sub job_comparer { 1 } |
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|
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|
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# Passive queue waits for enqueue events. |
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my $jq = POE::Component::JobQueue->spawn |
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( Alias => 'myq', # defaults to 'queuer' |
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WorkerLimit => 16, # defaults to 8 |
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Worker => \&spawn_a_worker, # code which will start a session |
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Passive => |
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{ Prioritizer => \&job_comparer, # defaults to sub { 1 } # FIFO |
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}, |
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); |
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|
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|
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# start of main session |
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sub _start { |
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my ( $kernel, $heap ) = @_[KERNEL, HEAP]; |
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#sendJob($kernel); |
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#$kernel->delay( $event, $seconds, @event_args ); |
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$kernel->delay( 'sendJob', 1 ); |
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|
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my $alarm_id; |
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#my $alarm_id = $kernel->delay_set( $event, $seconds_hence, @etc ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 6 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 1 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 1 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 2 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 3 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 3 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 3 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 4 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 5 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 5 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 5 ); |
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$alarm_id = $kernel->delay_set( 'sendJob', 5 ); |
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|
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print "\n", "start ok", "\n"; |
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|
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} |
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|
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# example for a sendjob-function |
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sub sendJob { |
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my ( $kernel, $heap ) = @_[KERNEL, HEAP]; |
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my @job_params = ('test', 'abc', 'def'); |
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for (my $i = 0; $i < 10; $i++) { |
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# Enqueuing a job in a passive queue. |
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$kernel->post( 'myq', # post to alias |
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'enqueue', # 'enqueue' a job |
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'job_done', # which of our states is notified when it's done |
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@job_params, # job parameters |
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); |
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} |
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print "10 jobs posted", "\n"; |
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|
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} |
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my @handlers = qw( _start job_done sendJob ); |
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POE::Session->create( package_states => [ main => \@handlers ] ); |
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|
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print "kernel boot start", "\n"; |
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$poe_kernel->run(); |
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print "kernel boot ready", "\n"; |
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print "jobcount: $jobcount", "\n"; |
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|
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exit; |
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