function onTimer($serv, $interval)
{
// $this->log("timer trigger! \n");
//每秒检测，如有更新则推送。
if (count($this->connections) <= 0) {
return;
}
$file_path_prefix = __DIR__ . DIRECTORY_SEPARATOR . "data" . DIRECTORY_SEPARATOR;
//todo 可改为循环遍历目录；就无需手动配置，加异常文件的容错处理
$file_arr = array("btcchina.json", "huobi.json", "okcoin.json", "chbtc.json", "bitstamp.json", "btce.json");
foreach ($file_arr as $key => $value) {
swoole_async_readfile($file_path_prefix . $value, function ($filename, $content) {
$tmp = json_decode($content, true);
if (!isset($tmp["time"])) {
return;
}
if (!isset($this->timestamp[$tmp['key']])) {
$this->timestamp[$tmp['key']] = 0;
}
//todo 有些自己生成的time的就没办法比对了；
if ($tmp["time"] == $this->timestamp[$tmp['key']]) {
return;
}
$this->timestamp[$tmp['key']] = $tmp['time'];
//推送到每个fd
foreach ($this->connections as $clid => $info) {
$this->send($clid, $content);
}
});
}
}
public function onReceive(swoole_server $serv, $fd, $from_id, $data)
{
echo $serv->worker_pid . PHP_EOL;
$case = intval($data);
switch ($case) {
case 1:
swoole_async_readfile(__DIR__ . "/Test.txt", function ($filename, $content) {
echo "{$filename}: {$content}";
});
break;
case 2:
swoole_async_writefile('test_2.log', "This is a test log", function ($filename) {
echo "wirte ok.\n";
});
break;
case 3:
swoole_async_read(__DIR__ . "/Test.txt", function ($filename, $content) {
if (empty($content)) {
return false;
} else {
echo "{$filename}: {$content}";
return true;
}
}, 16);
break;
default:
// 注：此处存在一个Bug，如果文件不存在并且没有指定offset（或者指定为-1），会引发一个错误。这里需要注意一下。
swoole_async_write('test_1.log', "This is a test log\n", -1, function ($filename, $writen) {
var_dump(func_get_args());
});
break;
}
}
<?php
swoole_async_readfile(__DIR__ . '/../server.php', function ($filename, $content) {
echo "file: {$filename}\ncontent-length: " . strlen($content) . "\nContent:\n";
swoole_async_writefile(__DIR__ . '/test.copy', $content, function ($write_file) {
echo "file: {$write_file}\n";
swoole_event_exit();
});
});