public static function getGoodStreamersIdsForLink($link_id)
{
$link = Itv::getLinkById($link_id);
if (empty($link)) {
return false;
}
$ch_link_on_streamer = Mysql::getInstance()->from('ch_link_on_streamer')->where(array('link_id' => $link_id))->get()->all();
if ($link['enable_monitoring'] && $link['enable_balancer_monitoring']) {
$ch_link_on_streamer = array_values(array_filter($ch_link_on_streamer, function ($link_on_streamer) {
return $link_on_streamer['monitoring_status'] == 1;
}));
}
$ch_link_on_streamer = array_map(function ($link_on_streamer) {
return $link_on_streamer['streamer_id'];
}, $ch_link_on_streamer);
return $ch_link_on_streamer;
}
public function getRealChannelByChannelId($ch_id, $link_id = null)
{
$ch_id = intval($ch_id);
$channel = Itv::getById($ch_id);
$channel['link_id'] = $link_id;
if ($link_id != null) {
$link = Itv::getLinkById($link_id);
if (!empty($link)) {
$channel['cmd'] = $link['url'];
$channel['use_http_tmp_link'] = $link['use_http_tmp_link'];
$channel['wowza_tmp_link'] = $link['wowza_tmp_link'];
$channel['nginx_secure_link'] = $link['nginx_secure_link'];
$channel['use_load_balancing'] = $link['use_load_balancing'];
}
}
if (empty($link_id) || empty($link)) {
throw new ItvChannelTemporaryUnavailable();
}
if (empty($channel)) {
throw new ItvLinkException('nothing_to_play');
}
if ($channel['enable_wowza_load_balancing']) {
$balancer_addr = $this->getWowzaBalancer($channel['cmd']);
$edge = $this->getWowzaEdge('http://' . $balancer_addr . '/loadbalancer');
if (!$edge) {
throw new ItvLinkException('nothing_to_play');
} else {
$cmd = preg_replace("/" . preg_replace('/:.*/', '', $balancer_addr) . "/", $edge, $channel['cmd']);
if ($cmd) {
$channel['cmd'] = $cmd;
}
}
}
if ($channel['use_load_balancing']) {
try {
$streamers = StreamServer::getForLink($link_id);
} catch (Exception $e) {
throw new ItvLinkException($e->getCode());
}
if ($streamers) {
$new_addr = $streamers[0]['address'];
$channel['load'] = $streamers[0]['load'];
if ($channel['load'] >= 1) {
throw new ItvLinkException('limit');
}
$channel['streamer_id'] = $streamers[0]['id'];
$channel['cmd'] = preg_replace('/:\\/\\/([^\\/]*)/', '://' . $new_addr, $channel['cmd']);
} else {
throw new ItvLinkException('nothing_to_play');
}
}
if ($channel['use_http_tmp_link']) {
if ($channel['wowza_tmp_link']) {
$key = $this->createTemporaryLink("1");
if (!$key) {
throw new ItvLinkException('link_fault');
} else {
if (Config::getSafe('use_named_wowza_token', false)) {
$channel['cmd'] = $channel['cmd'] . (strpos($channel['cmd'], '?') ? '&' : '?') . 'token=' . $key;
} else {
$channel['cmd'] = $channel['cmd'] . '?' . $key;
}
}
} else {
if (!empty($link) && $link['flussonic_tmp_link']) {
$key = $this->createTemporaryLink($this->stb->id);
if (!$key) {
throw new ItvLinkException('link_fault');
} else {
$channel['cmd'] = $channel['cmd'] . (strpos($channel['cmd'], '?') ? '&' : '?') . 'token=' . $key;
}
} else {
if ($channel['nginx_secure_link']) {
// http://wiki.nginx.org/HttpSecureLinkModule
$channel['cmd'] = self::getNginxSecureLink($channel['cmd']);
} else {
if (strpos($channel['cmd'], 'rtp://') !== false || strpos($channel['cmd'], 'udp://') !== false) {
return $channel;
}
if (Config::getSafe('stream_proxy', '') != '') {
preg_match("/http:\\/\\/([^\\/]*)[\\/]?([^\\s]*)?(\\s*)?(.*)?\$/", $channel['cmd'], $tmp_url_arr);
} else {
preg_match("/http:\\/\\/([^\\/]*)\\/([^\\/]*)[\\/]?([^\\s]*)?(\\s*)?(.*)?\$/", $channel['cmd'], $tmp_url_arr);
}
if (empty($tmp_url_arr)) {
throw new ItvLinkException('nothing_to_play');
} else {
if (count($tmp_url_arr) == 6) {
$streamer = $tmp_url_arr[1];
$redirect_host = $tmp_url_arr[2];
$redirect_uri = $tmp_url_arr[3];
} else {
$streamer = Config::get('stream_proxy');
$redirect_host = $tmp_url_arr[1];
$redirect_uri = $tmp_url_arr[2];
}
$redirect_url = '/get/' . $redirect_host . '/' . $redirect_uri;
$link_result = $this->createTemporaryLink($redirect_url);
if (!$link_result) {
throw new ItvLinkException('link_fault');
} else {
if (preg_match("/(\\w+)\\s+http:/", $channel['cmd'], $match)) {
$solution = $match[1];
} else {
$solution = 'ffrt';
}
$channel['cmd'] = $solution . ' http://' . $streamer . '/ch/' . $link_result . (empty($tmp_url_arr[4]) ? '' : $tmp_url_arr[4]) . (empty($tmp_url_arr[5]) ? '' : $tmp_url_arr[5]);
}
}
}
}
}
}
return $channel;
}
