function get_popup_messages($browser_save, &$session_pv, &$global_pv)
{
$NS_device_block = NS_SCHED_DEVICE;
$NS_all_tasks = KEY_SCHED_LIST;
$NS_data_lstname = DATA_SCHED_LIST;
/******************************************
新设备检查和颁发机会任务消息
******************************************/
$sched_block = get_device_block($NS_device_block, $browser_save);
$runing_items =& $sched_block['items'];
$all_tasks = upddate_runing_items($NS_all_tasks, $browser_save, $runing_items);
$session =& $sched_block['session'];
$global =& $sched_block['global'];
$now = time();
$session_pv = $session['pageviews'];
$global_pv = $global['pageviews'];
/*************************************
获取计划任务消息
*************************************/
$items_expired = array();
$items_result = array();
foreach ($runing_items as $task_id => &$task_info) {
/*************************************
通用任务匹配模块
*************************************/
$task = $all_tasks[$task_id];
$task_print = $task_info['name'] . '(' . $task_info['run_times'] . '/' . $task['times'] . ')';
list($is_matched, $is_expired) = general_match_tasks($NS_data_lstname, $browser_save, $task_id, $task_info, $task);
if ($is_expired) {
$items_expired[] = $task_id;
}
if (!$is_matched) {
continue;
}
/*************************************
任务其他内容匹配
*************************************/
//如果前面已经有了返回信息，这时遇到“互斥”只能忽略掉
if ($task['repel'] === 'true' && count($items_result) > 0) {
omp_trace($task_print . ' repel');
continue;
}
//在时间区间内，但看看前面一个消息距离是否足够
if ($now - $session['last_time'] < $task['time_interval_pre']) {
omp_trace($task_print . ' pre time not reach ');
continue;
}
//检查发送周期，还没到时间的，则忽略
if ($task['time_interval_mode'] === 'relative') {
$time_point = $task_info['last_time'] + $task['time_interval'];
if ($now < $time_point) {
omp_trace($task_print . ' time relative until ' . date(DATE_RFC822, $time_point));
continue;
}
} else {
$interval = $task['time_interval'];
$base_time = $task['start_time'];
$lasttime_pass = $task_info['last_time'] - $base_time;
$time_point = $base_time + intval($lasttime_pass / $interval + 1) * $interval;
if ($now < $time_point) {
omp_trace($task_print . ' time absolute until ' . date(DATE_RFC822, $time_point));
continue;
}
}
//第一次时重建msg queue
if ($task_info['pageviews'] === 1) {
remake_msgque($task_info, $task);
omp_trace('make queue: ' . json_encode($task_info['msg_queue']));
}
//处理用户改变消息模式
$messages = $task['messages'];
if ($task_info['ori_seq'] !== $task['msg_sequence'] || $task_info['ori_msglen'] !== count($messages) || $task_info['ori_times'] < $task['times']) {
//如果用户增大了发生次数
remake_msgque($task_info, $task);
$messages = $task['messages'];
}
//ok, 条件吻合了，可以发送信息了
$msg_queue = $task_info['msg_queue'];
$msg_index = $msg_queue[$task_info['run_times']];
$selected_message = @$messages[$msg_index];
//居然取不到消息，那也不用发了
if (empty($selected_message)) {
omp_trace($task_print . ' cant fetch message ');
continue;
}
//保存要显示到客户端的消息
$items_result[] = $selected_message;
//统计和日志
//成功取出了消息，设置状态
$task_info['run_times'] += 1;
$task_info['last_time'] = $now;
$session['last_time'] = $now;
$session['run_times'] += 1;
omp_trace($task_print . ' succeed ' . $selected_message['name']);
//如果是互斥的信息，后面不用再匹配了
if ($task['repel'] === 'true') {
omp_trace($task_print . 'break for repel');
break;
}
}
//删除被撤销的任务
if (!empty($items_expired)) {
omp_trace('expired ' . implode(',', $items_expired));
async_timer('/sched_list.php?force', 10);
}
//需要保存状态到memcached
save_device_block($NS_device_block, $browser_save, $sched_block);
return count($items_result) ? $items_result : false;
}
function get_popup_messages()
{
global $CONFIGS, $DEVSAV;
$confs = $CONFIGS['popup'];
/******************************************
新设备检查和颁发计划任务消息
******************************************/
$runing_items =& $DEVSAV['popup_tasks'];
$all_tasks = update_running_tasks($DEVSAV, $runing_items, $confs);
$now = time();
$session_pv = $DEVSAV['session_pv'];
$global_pv = $DEVSAV['pageview_count'];
/*************************************
获取计划任务消息
*************************************/
$items_expired = array();
$items_result = array();
foreach ($runing_items as $task_id => &$task_info) {
/*************************************
通用任务匹配模块
*************************************/
$task = $all_tasks[$task_id];
$task_print = $task_info['name'] . '(' . $task_info['run_times'] . '/' . $task['times'] . ')';
list($is_matched, $is_expired) = general_match_tasks($DEVSAV, $task_id, $task_info, $task);
if ($is_expired) {
$items_expired[] = $task_id;
}
if (!$is_matched) {
continue;
}
/*************************************
任务其他内容匹配
*************************************/
//如果前面已经有了返回信息，这时遇到“互斥”只能忽略掉
if ($task['repel'] === 'true' && count($items_result) > 0) {
omp_trace($task_print . ' repel');
continue;
}
//在时间区间内，但看看前面一个消息距离是否足够
if ($now - $task_info['last_time'] < $task['time_interval_pre']) {
omp_trace($task_print . ' pre time not reach ');
continue;
}
//检查发送周期，还没到时间的，则忽略
if ($task['time_interval_mode'] === 'relative') {
$time_point = $task_info['last_time'] + $task['time_interval'];
if ($now < $time_point) {
omp_trace($task_print . ' time relative until ' . date(DATE_RFC822, $time_point));
continue;
}
} else {
$interval = $task['time_interval'];
$base_time = $task['start_time'];
$lasttime_pass = $task_info['last_time'] - $base_time;
$time_point = $base_time + intval($lasttime_pass / $interval + 1) * $interval;
if ($now < $time_point) {
omp_trace($task_print . ' time absolute until ' . date(DATE_RFC822, $time_point));
continue;
}
}
//第一次时重建msg queue
if ($task_info['pageviews'] === 1) {
remake_msgque($task_info, $task);
omp_trace('make queue: ' . json_encode($task_info['msg_queue']));
}
//处理用户改变消息模式
$messages = $task['messages'];
if ($task_info['ori_seq'] !== $task['msg_sequence'] || $task_info['ori_msglen'] !== count($messages) || $task_info['ori_times'] < $task['times']) {
//如果用户增大了发生次数
remake_msgque($task_info, $task);
$messages = $task['messages'];
}
//ok, 条件吻合了，可以发送信息了
$msg_queue = $task_info['msg_queue'];
$try_index = $task_info['run_times'] % count($msg_queue);
$msg_index = $msg_queue[$try_index];
$msg_index = fix_index($msg_index, $messages);
$selected_message = @$messages[$msg_index];
//居然取不到消息，那也不用发了
if (empty($selected_message)) {
omp_trace($task_print . ' cant fetch message index(' . $msg_index . ')');
continue;
}
//保存要显示到客户端的消息
$items_result[] = $selected_message;
//统计和日志
//成功取出了消息，设置状态
$task_info['run_times'] += 1;
$task_info['last_time'] = $now;
$DEVSAV['popup_lasttime'] = $now;
$DEVSAV['popup_times'] += 1;
omp_trace($task_print . ' succeed ' . $selected_message['name']);
//如果是互斥的信息，后面不用再匹配了
if ($task['repel'] === 'true') {
omp_trace($task_print . 'break for repel');
break;
}
}
//删除被撤销的任务
if (!empty($items_expired)) {
omp_trace('expired ' . implode(',', $items_expired));
}
return count($items_result) ? $items_result : false;
}