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vendor/swoole/examples/async/dns_lookup.php

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+<?php
+swoole_async_set(array(
+    //使用纯异步IO
+    'use_async_resolver' => true,
+    'disable_dns_cache' => true,
+    'dns_lookup_random' => true,
+    'dns_server' => '114.114.114.114',
+));
+swoole_async_dns_lookup("www.sina.com.cn", function ($host, $ip)
+{
+    echo "{$host} reslove to {$ip}\n";
+});
+
+swoole_async_dns_lookup("www.baidu.com", function ($host, $ip)
+{
+    echo "{$host} reslove to {$ip}\n";
+});

vendor/swoole/examples/async/exec.php

@@ -0,0 +1,6 @@
+<?php
+$pid = Swoole\Async::exec("ps aux", function ($result, $status) {
+    var_dump(strlen($result), $status);
+});
+
+var_dump($pid);

vendor/swoole/examples/async/read.php

@@ -0,0 +1,19 @@
+<?php
+//ini_set("swoole.aio_mode", 1);
+swoole_async_read(
+    __DIR__ . '/data.txt',
+    function ($filename, $content)
+    {
+        echo "file: $filename\ncontent-length: " . strlen($content) . "\nContent: $content\n";
+        if (empty($content))
+        {
+            echo "file is end.\n";
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+    },
+    8192
+);

vendor/swoole/examples/async/readfile.php

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+<?php
+swoole_async::set(['aio_mode' => SWOOLE_AIO_LINUX]);
+
+swoole_async_readfile(__DIR__.'/../test.jpg', 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();
+	});
+});

vendor/swoole/examples/async/write.php

@@ -0,0 +1,12 @@
+<?php
+function write_callback($file, $writen)
+{
+    echo "write $file [$writen]\n";
+    //return true: write contine. return false: close the file.
+    return true;
+}
+
+for ($i = 0; $i < 10; $i++)
+{
+    swoole_async_write("data.txt", str_repeat('A', 10) . "\n", -1, "write_callback");
+}

vendor/swoole/examples/async/writefile.php

@@ -0,0 +1,5 @@
+<?php
+use Swoole\Async;
+
+//Async::set(array('aio_mode' => SWOOLE_AIO_LINUX));
+Async::writeFile(__DIR__.'/data2.txt', str_repeat('C', 1023)."\n", null, FILE_APPEND);