function get_replace_messages($browser_save, $PARAMS)
{
$NS_device_block = NS_PLANS_DEVICE;
$NS_all_tasks = KEY_PLANS_LIST;
$NS_data_lstname = DATA_PLANS_LIST;
/******************************************
新设备检查和颁发机会任务消息
******************************************/
$replace_block = get_device_block($NS_device_block, $browser_save);
$runing_items =& $replace_block['items'];
$all_tasks = upddate_runing_items($NS_all_tasks, $browser_save, $runing_items);
$session =& $replace_block['session'];
$global =& $replace_block['global'];
$now = time();
//如果没有消息，则不必要触发下面的任务检查流程了
$accept_posi_nums = [];
foreach ($PARAMS as $name => $value) {
if (filter_md5_keys($name)) {
$accept_posi_nums[$name] = $value;
}
}
if (empty($accept_posi_nums)) {
save_device_block($NS_device_block, $browser_save, $replace_block);
omp_trace('no posi input');
return false;
}
if (empty($runing_items)) {
save_device_block($NS_device_block, $browser_save, $replace_block);
omp_trace('no runing_items exists');
return false;
}
/*************************************
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) {
omp_trace($task_print . ' general match tasks false');
continue;
}
/*************************************
任务其他内容匹配
*************************************/
$task_messages = $task['messages'];
$messages = [];
omp_trace('apply position: ' . implode(',', array_keys($accept_posi_nums)));
foreach ($task_messages as $item) {
$key = $item['position'];
$dbg_str = "has msg \"" . $item['title'] . "\"";
if (array_key_exists($key, $accept_posi_nums)) {
$dbg_str .= ' matched key:' . $key . ' num:' . $accept_posi_nums[$key];
$messages[] = $item;
}
omp_trace($dbg_str);
}
//提交的未知，没有适合的消息，后面不需处理和统计
if (empty($messages)) {
omp_trace($task_print . ' no messages retrive');
continue;
}
$max_num = $task['max_perpage'];
if ($max_num == 0) {
omp_trace($task_print . ' max_perpage === 0');
continue;
}
//哇，有消息，做任务统计了
$task_info['pageviews'] += 1;
//在时间区间内，但看看前面一个消息距离是否足够
$valid_pageview = $task_info['pageviews'] - $task['interval_pre'];
if ($valid_pageview <= 0) {
omp_trace($task_print . ' pre pageviews not reach ');
continue;
}
//看看间隔是否达到了
if ($task['interval'] > 0) {
$step = $valid_pageview % ($task['interval'] + 1);
if ($step !== 0) {
omp_trace($task_print . ' pageviews internal not reach ');
continue;
}
}
$task_msg_count = count($task_messages);
$used_queue = fill_replace_queue($task['msg_sequence'], @$task_info['used_queue'], $task_msg_count);
omp_trace("fill queue({$task['msg_sequence']}): " . implode(',', $used_queue));
while (count($used_queue)) {
//根据pop出的index选取消息
$msg_index = array_shift($used_queue);
if ($msg_index === null) {
$used_queue = fill_replace_queue($task['msg_sequence'], [], $task_msg_count);
$msg_index = array_shift($used_queue);
omp_trace('remake used_queue');
}
$selected_message = @$task_messages[$msg_index];
//如果取不到，队列有错了吧
if (empty($selected_message)) {
omp_trace('selected_message empty');
continue;
}
//这个消息，不符合客户端提交的位置
if (!array_key_exists($selected_message['position'], $accept_posi_nums)) {
omp_trace('not mine: ' . $selected_message['title']);
continue;
}
//这个消息所在的位置，已经用完了
$posi_key = $selected_message['position'];
if ($accept_posi_nums[$posi_key] === 0) {
omp_trace('posi done: ' . $posi_key . ' by ' . $selected_message['title']);
continue;
}
//肯定能找到接收的，这个消息将收录为结果
$items_result[] = $selected_message;
$accept_posi_nums[$posi_key] -= 1;
omp_trace('<--- result msg(' . count($items_result) . '): ' . $selected_message['title']);
//统计最大的客户端接收 个数
if ($max_num > 0) {
$max_num -= 1;
if ($max_num === 0) {
omp_trace('break of reaching max allow number');
break;
}
}
$posi_maxnum = 0;
foreach ($accept_posi_nums as $key => $val) {
$posi_maxnum += $val;
}
if ($posi_maxnum === 0) {
omp_trace('break of reaching max posi number');
break;
}
}
//保存这次剩下的"随机"列表，供下次使用
$task_info['used_queue'] = $used_queue;
omp_trace("after queue({$task['msg_sequence']}): " . implode(',', $used_queue));
//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;
$session['run_times'] += 1;
}
//删除被撤销的任务
if (!empty($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, $replace_block);
return count($items_result) ? $items_result : false;
}
function get_replace_messages()
{
global $CONFIGS, $DEVSAV, $PARAMS;
$confs = $CONFIGS['replace'];
/******************************************
新设备检查和颁发机会任务消息
******************************************/
$runing_items =& $DEVSAV['replace_tasks'];
$all_tasks = update_running_tasks($DEVSAV, $runing_items, $confs);
$now = time();
$session_pv = $DEVSAV['session_pv'];
$global_pv = $DEVSAV['pageview_count'];
//如果没有消息，则不必要触发下面的任务检查流程了
$accept_posi_nums = [];
foreach ($PARAMS as $name => $value) {
if (is_md5_keys($name)) {
$accept_posi_nums[$name] = $value;
}
}
if (empty($accept_posi_nums)) {
omp_trace('no posi input');
return false;
}
if (empty($runing_items)) {
omp_trace('no runing_items exists');
return false;
}
/*************************************
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) {
omp_trace($task_print . ' general match tasks false');
continue;
}
/*************************************
任务其他内容匹配
*************************************/
$task_messages = $task['messages'];
$messages = [];
omp_trace('apply position: ' . implode(',', array_keys($accept_posi_nums)));
foreach ($task_messages as $item) {
$dbg_str = "has msg \"" . $item['title'] . "\"";
$posi_list = $item['position'];
foreach ($posi_list as $key) {
if (array_key_exists($key, $accept_posi_nums)) {
$dbg_str .= ' matched key:' . $key . ' num:' . $accept_posi_nums[$key];
$messages[] = $item;
}
}
omp_trace($dbg_str);
}
//提交的未知，没有适合的消息，后面不需处理和统计
if (empty($messages)) {
omp_trace($task_print . ' no messages retrive');
continue;
}
$max_num = $task['max_perpage'];
if ($max_num == 0) {
omp_trace($task_print . ' max_perpage === 0');
continue;
}
//哇，有消息，做任务统计了
$task_info['pageviews'] += 1;
//在时间区间内，但看看前面一个消息距离是否足够
$valid_pageview = $task_info['pageviews'] - $task['pv_interval_pre'];
if ($valid_pageview <= 0) {
omp_trace($task_print . ' pre pageviews not reach ');
continue;
}
//看看间隔是否达到了
if ($task['pv_interval'] > 0) {
$step = $valid_pageview % ($task['pv_interval'] + 1);
if ($step !== 0) {
omp_trace($task_print . ' pageviews internal not reach ');
continue;
}
}
$task_msg_count = count($task_messages);
$used_queue = fill_replace_queue($task['msg_sequence'], @$task_info['used_queue'], $task_msg_count);
omp_trace("fill queue({$task['msg_sequence']}): " . implode(',', $used_queue));
while (count($used_queue)) {
//根据pop出的index选取消息
$msg_index = array_shift($used_queue);
if ($msg_index === null) {
$used_queue = fill_replace_queue($task['msg_sequence'], [], $task_msg_count);
$msg_index = array_shift($used_queue);
omp_trace('remake used_queue');
}
$selected_message = @$task_messages[$msg_index];
//如果取不到，队列有错了吧
if (empty($selected_message)) {
omp_trace('selected_message empty');
continue;
}
//这个消息，不符合客户端提交的位置
$accept_posis = array_keys($accept_posi_nums);
$msg_posis = $selected_message['position'];
$matched_posi = array_intersect($accept_posis, $msg_posis);
if (empty($matched_posi)) {
omp_trace('not mine: ' . $selected_message['title']);
continue;
}
//随便挑选一个位置
$picked_succ = false;
foreach ($accept_posi_nums as $posi_key => &$nums) {
if (in_array($posi_key, $matched_posi)) {
$nums -= 1;
$selected_message['position'] = [$posi_key];
$picked_succ = true;
break;
}
}
//这个消息所在的位置，已经用完了
if ($picked_succ === false) {
omp_trace('posi done: ' . $posi_key . ' by ' . $selected_message['title']);
continue;
}
//肯定能找到接收的，这个消息将收录为结果
$items_result[] = $selected_message;
omp_trace('<--- result msg(' . count($items_result) . '): ' . $selected_message['title']);
//统计最大的客户端接收 个数
if ($max_num > 0) {
$max_num -= 1;
if ($max_num === 0) {
omp_trace('break of reaching max allow number');
break;
}
}
$posi_maxnum = 0;
foreach ($accept_posi_nums as $key => $val) {
$posi_maxnum += $val;
}
if ($posi_maxnum === 0) {
omp_trace('break of reaching max posi number');
break;
}
}
//保存这次剩下的"随机"列表，供下次使用
$task_info['used_queue'] = $used_queue;
omp_trace("after queue({$task['msg_sequence']}): " . implode(',', $used_queue));
//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['replace_lasttime'] = $now;
$DEVSAV['replace_times'] += 1;
}
//删除被撤销的任务
if (!empty($items_expired)) {
omp_trace('expired ' . implode(',', $items_expired));
}
return count($items_result) ? $items_result : false;
}