dmx_write_shared_memory($shm_id, $di, 0, 0);
//send xap event(s)
for ($i = 0; $i < 128; $i++) {
if (substr($di, $i * 2, 2) != substr($dmx_inputs, $i * 2, 2)) {
send_dmx_input_level_event_message($i, $di);
}
}
$dmx_inputs = $di;
}
}
} else {
$outs1_changed = 0;
$outs2_changed = 0;
$do1 = '';
$do2 = '';
dmx_read_shared_memory($shm_id, $di, $do1, $do2);
if ($do1 . $do2 != $dmx_outputs1 . $dmx_outputs2) {
//something changed in shm
for ($i = 0; $i < 128; $i++) {
if (substr($do1, $i * 2, 2) != substr($dmx_outputs1, $i * 2, 2)) {
//send xap dmx level change message for universe 1
send_dmx_output_level_event_message($i, XAPSRC_DMX_OUT1, XAPUID_DMX_OUT1, $do1, $donames1);
$outs1_changed = 1;
}
if (substr($do2, $i * 2, 2) != substr($dmx_outputs2, $i * 2, 2)) {
//send xap dmx level change message for universe 2
send_dmx_output_level_event_message($i, XAPSRC_DMX_OUT2, XAPUID_DMX_OUT2, $do2, $donames2);
$outs2_changed = 1;
}
}
}
$b = '';
$os = '';
$is = '';
$ip = '';
$il = '';
$di = '';
$do1 = '';
$do2 = '';
while (1) {
if ($must_exit) {
break;
}
//send xAP heartbeat periodically
$t = xap_check_send_heartbeat(array(XAPUID_IO_IN, XAPUID_IO_OUT, XAPUID_DMX_IN1, XAPUID_DMX_OUT1, XAPUID_DMX_OUT2), array(XAPSRC_IO_IN, XAPSRC_IO_OUT, XAPSRC_DMX_IN1, XAPSRC_DMX_OUT1, XAPSRC_DMX_OUT2));
io_read_shared_memory($io_shm_id, $out_states, $in_states, $in_programs, $in_levels);
dmx_read_shared_memory($dmx_shm_id, $dmx_inputs, $dmx_outputs1, $dmx_outputs2);
if ($xap = xap_listen($b)) {
if ($debug & MSG_DEBUG_ID) {
print_r($xap);
}
$c = process_xap_msgs($xap);
}
if ($os . $is . $ip . $il != $out_states . $in_states . $in_programs . $in_levels) {
if ($debug & IO_DEBUG_ID) {
logformat("Current IO State:\n");
logformat(sprintf("Out States :%s\n", $out_states));
logformat(sprintf("In States :%s\n", $in_states));
logformat(sprintf("In Programs:%s\n", $in_programs));
logformat(sprintf("In Levels :%s\n", $in_levels));
}
$os = $out_states;