/**
* Return link for current channel and current time
*
* NGINX config:
*
* location /tslink/ {
*
* rewrite ^/tslink/(.+)/archive/(\d+)/(.+) /stalker_portal/server/api/chk_tmp_timeshift_link.php?key=$1&file=$3 last;
*
* proxy_set_header Host 192.168.1.71; # <- portal ip
* proxy_set_header X-Real-IP $remote_addr;
* proxy_pass http://192.168.1.71:88/; # <- portal ip
* }
*
* location /archive/ {
* root /var/www/bb1;
* internal;
* }
*
* @return string
*/
public function getLinkForChannel()
{
$ch_id = intval($_REQUEST['ch_id']);
$res = array('id' => 0, 'cmd' => '', 'storage_id' => '', 'load' => '0', 'error' => '');
try {
$task = $this->getLessLoadedTaskByChId($ch_id);
} catch (StorageSessionLimitException $e) {
$res['error'] = 'limit';
$res['storage_name'] = $e->getStorageName();
return $res;
}
if (empty($task)) {
$res['error'] = 'server_error';
return $res;
}
$storage = Master::getStorageByName($task['storage_name']);
//$channel = Itv::getChannelById($ch_id);
$tz = new DateTimeZone(Stb::$server_timezone);
$date = new DateTime(date('r'));
$date->setTimeZone($tz);
$date_now = new DateTime('now', new DateTimeZone(Stb::$server_timezone));
$dst_diff = $date->format('Z') - $date_now->format('Z');
if (!$storage['flussonic_dvr'] && !$storage['wowza_dvr']) {
if ($dst_diff > 0) {
$date->add(new DateInterval('PT' . $dst_diff . 'S'));
} elseif ($dst_diff < 0) {
$dst_diff *= -1;
$date->sub(new DateInterval('PT' . $dst_diff . 'S'));
}
}
$position = intval($date->format("i")) * 60 + intval($date->format("s"));
$channel = Itv::getChannelById($ch_id);
$filename = $date->format("Ymd-H");
$filename .= '.mpg';
if ($channel['flussonic_dvr']) {
if (preg_match("/:\\/\\/([^\\/]*)\\/([^\\/]*).*(mpegts|m3u8)\$/", $channel['mc_cmd'], $match)) {
if ($match[3] == 'mpegts') {
$res['cmd'] = 'http://' . $storage['storage_ip'] . '/' . $match[2] . '/archive/' . strtotime(date("Y-m-d H:00:00")) . '/3600/mpegts';
} else {
$res['cmd'] = preg_replace('/:\\/\\/([^\\/]*)/', '://' . $storage['storage_ip'], $channel['mc_cmd']);
$res['cmd'] = preg_replace('/\\.m3u8/', '-' . strtotime(date("Y-m-d H:00:00")) . '-3600' . '.m3u8', $res['cmd']);
// todo: current hour?
}
$res['cmd'] .= '' . '?token=' . $this->createTemporaryToken($this->stb->id) . ' position:' . $position . ' media_len:' . (intval(date("H")) * 3600 + intval(date("i")) * 60 + intval(date("s")));
} else {
$res['error'] = 'server_error';
}
} elseif ($channel['wowza_dvr']) {
if (preg_match("/:\\/\\/([^\\/]*)\\/.*\\.m3u8/", $channel['mc_cmd'], $match)) {
$url = preg_replace('/:\\/\\/([^\\/]*)/', '://' . $storage['storage_ip'], $channel['mc_cmd']);
$res['cmd'] = preg_replace('/\\.m3u8.*/', '.m3u8?DVR&wowzadvrplayliststart=' . gmdate("YmdH0000") . '&wowzadvrplaylistduration=3600000', $url) . '&token=' . $this->createTemporaryToken("1") . ' position:' . $position . ' media_len:' . (intval(date("H")) * 3600 + intval(date("i")) * 60 + intval(date("s")));
} else {
$res['error'] = 'server_error';
}
return $res;
} else {
if (Config::getSafe('enable_timeshift_tmp_link', false)) {
$redirect_url = '/archive/' . $ch_id . '/' . $filename;
$link_result = $this->createTemporaryTimeShiftToken($redirect_url);
$res['cmd'] = 'ffmpeg http://' . $storage['storage_ip'] . '/tslink/' . $link_result . '/archive/' . $ch_id . '/' . $filename . ' position:' . $position . ' media_len:' . (intval(date("H")) * 3600 + intval(date("i")) * 60 + intval(date("s")));
} else {
$res['cmd'] = 'ffmpeg http://' . $storage['storage_ip'] . '/archive/' . $ch_id . '/' . $filename . ' position:' . $position . ' media_len:' . (intval(date("H")) * 3600 + intval(date("i")) * 60 + intval(date("s")));
}
}
return $res;
}
