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workerman的AsyncUdpConnection类的send方法

发布时间：2021-12-04 23:52:31编辑：雪饮阅读（）

send 方法

void AsyncUdpConnection::send(string $data)

执行异步连接操作。此方法会立刻返回。

参数

$data

向服务端发送的数据，数据大小不能超过65507字节(udp单个数据包最大传输大小为65507字节)，否则会发送失败。

返回值

无返回值

正常发送实例：

<?php

use Workerman\Worker;

use Workerman\Connection\AsyncUdpConnection;

use Workerman\Lib\Timer;

require_once __DIR__ . '/vendor/autoload.php';

//udp服务端

$worker = new Worker('udp://0.0.0.0:1234');

$worker->onWorkerStart = function(){

// 1秒后启动一个udp客户端，连接1234端口并发送字符串

Timer::add(1, function(){

//异步udp客户端

$udp_connection = new AsyncUdpConnection('udp://127.0.0.1:1234');

$udp_connection->onConnect = function($udp_connection){

$str="";

for($i=0;$i<140;$i++){

$str.=$i.",";

}

rtrim($str,",");

$udp_connection->send($str);

};

$udp_connection->onMessage = function($udp_connection, $data){

// 收到服务端返回的数据 hello

echo "recv \r\n";

var_dump($data);

echo "\r\n";

// 关闭连接(仅关闭本地，没有关闭远端)

$udp_connection->close();

};

$udp_connection->connect();

}, null, false);

};

$worker->onMessage = function($connection, $data)

{

// 收到AsyncUdpConnection客户端发来的数据，返回字符串 hello

$connection->send("hello 收到你的数据：".$data);

};

Worker::runAll();

正常发送实例运行：

[root@izj6c2jeancylo0ppo4vz5z workerman]# php test.php start

Workerman[test.php] start in DEBUG mode

---------------------------------------- WORKERMAN -----------------------------------------

Workerman version:4.0.22 PHP version:7.0.33

----------------------------------------- WORKERS ------------------------------------------

proto user worker listen processes status

udp root none udp://0.0.0.0:1234 1 [OK]

--------------------------------------------------------------------------------------------

Press Ctrl+C to stop. Start success.

recv

string(477) "hello 收到你的数据：0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,"

当发送字节数过多时的实例：